阅读说明：本技术 一种适用于隧道开挖断面辅助划线设备 (Auxiliary marking equipment suitable for tunnel excavation section ) 是由 郭玉红 于 2020-10-30 设计创作，主要内容包括：本发明公开了一种适用于隧道开挖断面辅助划线设备,用智能的方式控制来进行划线处理所需开挖端面的精度得到有效的控制,防止了需要作业人员攀爬至隧道内壁的划线位置,然后由人工将显眼的颜料花在所需开挖的断面上所带来的安全隐患,极大的保障了施工人员的安全,主控模块来控制在圆杆上设置的喷涂装置到达喷涂的最佳位置,从而对所需开挖的断面的轮廓曲线上画出一条完整的轮廓曲线,由测量模块、定位模块精确的测出行进轨迹,再由通过主控制模块来控制本装置的行进装置的运动路径和喷涂装置的高度,从而提高喷涂所需开挖的断面的轮廓曲线的精度,防止施工人员在施工过程中发生超欠挖量的情况的发生。(The invention discloses an auxiliary marking device suitable for tunnel excavation sections, which effectively controls the precision of the excavation end face required by marking treatment in an intelligent mode, prevents operators from climbing to the marking position of the inner wall of a tunnel, then the safety hidden trouble caused by manually decorating the obvious pigment on the section to be excavated greatly ensures the safety of constructors, the main control module controls the spraying device arranged on the round rod to reach the optimal spraying position, thereby drawing a complete contour curve on the contour curve of the section to be excavated, accurately measuring the advancing track by the measuring module and the positioning module, controlling the motion path of the advancing device of the device and the height of the spraying device by the main control module, therefore, the accuracy of the profile curve of the section to be excavated by spraying is improved, and the condition that the excavation amount exceeds the excavation amount is prevented from occurring in the construction process of constructors.)

1. The utility model provides an auxiliary marking device suitable for tunnel excavation section, its characterized in that includes loading board (5), be equipped with bearing post (8) on the upper surface of loading board (5), be equipped with drive assembly on the lower surface of loading board (5), be equipped with table surface (12) on bearing post (8), be equipped with the spraying subassembly on table surface (12), the spraying subassembly includes fixed block (11), fixed block (11) set up on table surface (12)'s upper surface, cavity III has been seted up to the inside of fixed block (11), be equipped with in the cavity III and divide cavity III into two spaces baffle (21), be located the baffle (21) top be first space (13), be located the baffle (21) below be second space (14), through-hole III has been seted up on baffle (21), the ball I (19) matched with the inner diameter of the through hole III is movably arranged in the through hole III, the outer surfaces of two sides of the ball I (19) are respectively positioned in a first space (13) and a second space (14), a sleeve (18) is arranged in the first space (13) in a sliding manner, the two ends of the sleeve (18) are respectively provided with a ball II (15) matched with the inner diameter of the sleeve (18) in a rotating manner, the ball II (15) close to the lower end of the sleeve (18) is connected with the ball I (19) through a connecting rod I (16), the upper surface of the fixed block (11) is provided with a through hole IV communicated with the cavity III, the ball III (9) matched with the inner diameter of the through hole IV in a moving manner is arranged in the through hole IV, the outer surfaces of two sides of the ball III (9) are respectively protruded out of the through hole IV, the ball III (9) is connected with the ball II (15) close to the upper end of the sleeve (18) through, still include shower nozzle (10), shower nozzle (10) are connected with ball III (9) surface be equipped with the adjusting part I that is used for controlling shower nozzle (10) upset in second space (14) be equipped with the adjusting part II that is used for correcting bearing post (8) inclination on bearing board (5), be equipped with the subassembly that guides that is used for guiding bearing board (5) rectilinear motion on the outer wall that bears post (8) be equipped with in bearing board (5) with adjusting part I, guide the control terminal that the subassembly electricity is connected.

2. The auxiliary scribing equipment for the tunnel excavation section as claimed in claim 1, wherein the adjusting assembly I comprises an arc-shaped plate I (28), the arc-shaped plate I (28) is fixed in the second space (14), the middle of the arc-shaped plate I (28) is bent towards the direction far away from the partition plate (21), a toothed belt I (27) is arranged on the inner wall of the arc-shaped plate I (28), arc-shaped grooves I are arranged on the two side walls of the arc-shaped plate I (28) along the circumferential direction of the arc-shaped plate I (28), a sliding block I (26) is arranged in each arc-shaped groove I in a sliding mode, a support rod I (29) is arranged on the upper surface of each sliding block I (26), an arc-shaped plate II (22) perpendicular to the arc-shaped plate I (28) is arranged on each support rod I (29), and the middle of the arc-shaped plate II (22) is bent towards the direction far away from the partition plate (21), a gear II (25) meshed with a toothed belt I (27) is rotatably arranged between the two support rods I (29), a driving motor I is fixedly arranged between the two support rods I (29), the output end of the driving motor I is connected with the rotating shaft of the gear II (25), a toothed belt II is arranged on the inner wall of the arc-shaped plate II (22), arc-shaped grooves II (31) are respectively arranged on the two side walls of the arc-shaped plate II (22) along the circumferential direction of the arc-shaped plate II (22), a sliding block II is arranged in each arc-shaped groove II (31) in a sliding manner, a support rod II (23) is respectively arranged on the upper surface of each sliding block II, swing rods (20) are arranged on the two support rods II (23), a gear I (24) meshed with the toothed belt II is rotatably arranged between the two support rods II (23), a driving motor II is fixedly arranged between the two support rods II (23), the output end of the driving motor II is connected with the rotating shaft of the gear I (24), the swing rod (20) is connected with the outer wall of the ball I (19), and the swing rod (20) is a telescopic rod.

3. The auxiliary marking device for the tunnel excavation section as claimed in claim 2, wherein the control terminal comprises a main control module, the main control module is arranged on the bearing plate (5), an inclination angle sensor module is arranged on the bearing column (8), a solenoid valve is arranged on the spray head (10), the inclination angle sensor module, the solenoid valve, the driving motor I and the driving motor II are all electrically connected with the main control module, and the main control module is used for processing information sent by the inclination angle sensor module and sending a control signal to the solenoid valve; the inclination angle sensor module is used for detecting the inclination angle of the bearing column; the electromagnetic valve is used for controlling the opening and closing of the spray head (10), an alarm is further arranged on the bearing plate (5), and the alarm is electrically connected with the main control module.

4. The auxiliary marking device for the tunnel excavation section as claimed in claim 3, wherein the guiding assembly comprises two vertical rods (1), an infrared transmitter I is arranged at the upper end of each vertical rod (1), an infrared transmitter II is arranged in the middle of one vertical rod (1), an infrared receiver II is arranged in the middle of the other vertical rod (1), a through hole (41) is formed in the outer wall of the bearing column (8), a shielding plate (39) is arranged in the through hole (41), a plurality of photosensitive components (38) matched with the infrared transmitter I are arranged at the upper ends of two side walls of the shielding plate (39), and a light hole (40) is formed in the lower end of the shielding plate (39); in the initial state, a laser beam emitted by the infrared emitter II penetrates through the light hole (40) and is received by the infrared receiver II; laser beams emitted by infrared emitters I on the two vertical rods (1) are respectively received by photosensitive components (38); the two vertical rods (1) are respectively placed on two sides of the tunnel excavation section.

5. The auxiliary scribing equipment for the tunnel excavation section as claimed in claim 4, wherein the adjusting assembly II comprises a toothed belt III, a cavity I (34) is formed in the bearing plate (5), a communication hole is formed in the upper surface of the bearing plate (5), a hydraulic cylinder (32) is connected in the communication hole in a ball joint mode, two ends of the hydraulic cylinder (32) movably penetrate through the communication hole and then protrude out of the communication hole, the output end of the hydraulic cylinder (32) is connected with the lower end of the bearing column (8), an arc-shaped plate III (33) is arranged in the cavity I (34), the middle of the arc-shaped plate III (33) bends towards the direction far away from the hydraulic cylinder (32), the toothed belt III is arranged on the inner wall of the arc-shaped plate III (33), and arc-shaped grooves III (37) are formed in two side walls of the arc-shaped plate III (33) along the circumferential direction of the arc-shaped plate III (33), every equal slip in arc wall III (37) is equipped with slider III, all is equipped with branch III (35) on the upper surface of every slider III, rotates between two branch III (35) and is equipped with gear III (36) of the meshing of cingulum, fixes being equipped with driving motor III between two branch III (35), driving motor III's output is connected with the pivot of gear III (36) two branch III (35) of body of pneumatic cylinder (32) are articulated, pneumatic cylinder (32), driving motor III, sensitization components and parts (38) all are connected with main control module electricity.

6. The auxiliary marking device for the tunnel excavation section of claim 1, the driving component comprises two annular tracks (3), the two annular tracks (3) are sleeved on the bearing plate (5) along the horizontal direction, the bearing column (8) is positioned between the two annular tracks (3), a plurality of through holes are arranged on both sides of the bearing plate (5), a bearing wheel (4) is rotatably arranged in each through hole, the bearing wheels (4) positioned on the same side of the bearing column (8) are matched with the annular crawler belt (3), two guide wheels (2) are rotatably arranged at two ends of the bearing plate (5), the guide wheels (2) positioned at the same side of the bearing column (8) are matched with the annular crawler belt (3), two driving motors IV for driving the guide wheels (2) to rotate are arranged at two ends of the bearing plate (5), and each driving motor IV is electrically connected with the main control module.

7. The auxiliary marking device for the tunnel excavation section as claimed in any one of claims 1 to 5, wherein a paint storage (7) and a pump are arranged on the upper surface of the bearing plate (5), a spray head (10) in the spraying assembly is communicated with the pump and the paint storage (7) through a pipeline (6), and the pump is electrically connected with the main control module.

Technical Field

The invention relates to the field of underground engineering construction, in particular to auxiliary marking equipment suitable for a tunnel excavation section.

Background

In the tunnel engineering construction process, in order to ensure the smooth implementation of the construction, the construction process needs to be measured, monitored and rechecked in real time, errors in the construction need to be corrected in time to meet the requirements of clearance, elevation, center line, reserved settlement and the like of the tunnel, information needs to be fed back in time, once basic requirements of clearance, elevation, center line, reserved settlement and the like are met or not met in the construction measurement process, the operation team needs to be corrected in time by written intersection, it can be seen that the tunnel section measurement occupies a certain proportion in the tunnel engineering construction and operation management stages, particularly, the excavation section needs to be scribed in the excavation stage, the condition that the over-under excavation amount occurs in the construction process of constructors is prevented, in the prior art, various parameters of the tunnel are accurately measured by using a distance measuring instrument, the construction method is characterized in that construction personnel climb to each marking position on the inner wall of the tunnel, then the construction personnel spray and coat conspicuous pigment on the contour curve of the section to be excavated to form a complete contour curve, in the tunnel engineering construction process, the proportion of drawing an arc line on the excavation end face of the tunnel in the tunnel marking and paying-off process is large, when the tunnel excavation section is marked by adopting a manual marking mode, the labor intensity is high, the efficiency is low, the marking operation face is a section which is just excavated, surrounding rocks are unstable and easy to generate rock blocks, the danger is large, the construction safety is poor, the occupied operation cycle time is long, and the design excavation contour line cannot be quickly measured and released by adopting manual marking, so that the later construction is influenced.

Disclosure of Invention

The invention aims to provide auxiliary marking equipment suitable for a tunnel excavation section, and solves the problems.

The purpose of the invention is mainly realized by the following technical scheme:

the utility model provides an auxiliary marking device suitable for tunnel excavation section, includes the loading board, is equipped with the bearing post on the upper surface of loading board, is equipped with drive assembly on the lower surface of loading board, is equipped with table surface on the bearing post, be equipped with the spraying subassembly on table surface, the spraying subassembly includes the fixed block, the fixed block sets up on table surface's upper surface, has seted up cavity III in the inside of fixed block, be equipped with the baffle that separates cavity III into two spaces in cavity III, be located the first space above the baffle, be located the second space below the baffle, seted up through-hole III on the baffle, the activity is equipped with ball I with the internal diameter matching of through-hole III in through-hole III, the both sides surface of ball I is located first space and second space respectively, slides in the first space and is equipped with the sleeve, the two ends of the sleeve are rotatably provided with round balls II matched with the inner diameter of the sleeve, the round balls II close to the lower end of the sleeve are connected with the round balls I through connecting rods I, a through hole IV communicated with the cavity III is arranged on the upper surface of the fixed block, a ball III matched with the inner diameter of the through hole IV moves in the through hole IV, the outer surfaces of the two sides of the round ball III protrude out of the through hole IV, the round ball III is connected with a round ball II close to the upper end of the sleeve through a connecting rod II, the spray head is further included, the spray head is connected with the outer surface of the round ball III, an adjusting component I for controlling the spray head to turn over is arranged in the second space, an adjusting component II for correcting the inclination angle of the bearing column is arranged on the bearing plate, the outer wall of the bearing column is provided with a guide assembly for guiding the bearing plate to move linearly, and a control terminal electrically connected with the adjusting assembly I and the guide assembly is arranged in the bearing plate.

The invention aims to solve the problem that in the construction process of highway tunnel engineering, the excavation section needs to be scribed at the excavation stage, so that the condition that the excavation amount of a constructor is over-short in the construction process is prevented, the technical method adopted in the prior art is that various parameters of a tunnel are accurately measured by a distance measuring instrument, the constructor climbs to each scribing position on the inner wall of the tunnel, and then the constructor sprays a conspicuous pigment on the contour curve of the section to be excavated to form a complete contour curve;

this device is equipped with on the upper surface of loading board and bears the post be equipped with drive assembly on the lower surface of loading board be equipped with the disc on bearing the post be equipped with table surface on the upper surface of disc table surface is last to be equipped with spraying assembly, still is equipped with three-dimensional laser scanner on table surface, when the spraying assembly that will set up on the loading board through the drive assembly who sets up on the loading board consigns to the marking off position that the terminal surface was seted up to the tunnel, through the high speed laser that three-dimensional laser scanner launches to tunnel excavation terminal surface scan the measurement after, acquire the three-dimensional coordinate data on measurand surface fast large tracts of land high resolution ground. The three-dimensional image model of an object can be rapidly and massively acquired, the three-dimensional image model is rapidly established and is processed by a control terminal, the control terminal controls the movement of an adjusting component I to adjust the movement of a spray head relative to a working table, a cavity III is arranged in the fixed block, a partition board which divides the cavity III into two spaces is arranged in the cavity III, a first space is arranged above the partition board, a second space is arranged below the partition board, a through hole III is arranged on the partition board, a ball I which is matched with the inner diameter of the through hole III is movably arranged in the through hole III, the outer surfaces of two sides of the ball I are respectively arranged in the first space and the second space, a sleeve is arranged in the first space in a sliding manner, a ball II which is matched with the inner diameter of the sleeve is arranged at two ends of the sleeve in a rotating manner, and the ball II which is close to the lower end of the sleeve is connected with the, the upper surface of the fixed block is provided with a through hole IV communicated with a cavity III, the inside of the through hole IV is movably provided with a ball III matched with the inner diameter of the through hole IV, the outer surfaces of two sides of the ball III are respectively positioned in a first space and the outside, the ball III is connected with a ball II close to the upper end of the sleeve through a connecting rod I, the spray head is connected with the outer surface of the ball III positioned outside, the movement of the spray head is adjusted through an adjusting component I arranged in a second space, the spray head of the ball III positioned on the outer surface of the outside is forced to move at any angle relative to the working table surface, when the control terminal calculates the scanning result of the tunnel excavation section by the three-dimensional laser scanner, the control terminal calculates the required profile curve to be drawn, and the measuring module and the positioning module can assist the three-dimensional scanner to measure the advancing track, thereby realizing the line drawing of the outline of the excavated section by the spray head through the control terminal, and controlling the advancing track of the device through the main control terminal, thereby ensuring the precision of the contour curve, preventing the occurrence of the over-short digging amount during the construction process of constructors, thereby improving the precision of the profile curve of the section to be excavated by spraying, preventing the occurrence of the over-short excavation amount during the construction process of constructors, effectively controlling the precision of the excavation end face required by lineation treatment in an intelligent mode, preventing the operators from climbing to the lineation position of the inner wall of the tunnel, then by the artifical potential safety hazard that brings with the pigment flower that will show on the section of required excavation, very big guarantee constructor's safety, guide bearing plate rectilinear motion guide the subassembly and do rectilinear motion in tunnel excavation terminal surface along the guide subassembly.

Further, the adjusting assembly I comprises an arc plate I, the arc plate I is fixed in a second space, the middle of the arc plate I is bent towards a direction far away from the partition plate, a toothed belt I is arranged on the inner wall of the arc plate I, arc grooves I are formed in two side walls of the arc plate I along the circumferential direction of the arc plate I, a sliding block I is arranged in each arc groove I in a sliding mode, a support rod I is arranged on the upper surface of each sliding block I, an arc plate II perpendicular to the arc plate I is arranged on each support rod I, the middle of the arc plate II is bent towards the direction far away from the partition plate, a gear II meshed with the toothed belt I is rotatably arranged between the two support rods I, a driving motor I is fixedly arranged between the two support rods I, the output end of the driving motor I is connected with the rotating shaft of the gear II, a toothed belt II is arranged on the inner wall of the arc plate II, all be equipped with arc wall II on two lateral walls of arc II along the circumference of arc II, every all slide in the arc II and be equipped with slider II, all be equipped with branch II on the upper surface of every slider II, two be equipped with the pendulum rod on the branch II, rotate between two branches II and be equipped with gear I with II meshing of cingulum, fixed driving motor II that is equipped with between two branches II, driving motor II's output is connected with the pivot of gear I, the outer wall connection of pendulum rod and ball I, the pendulum rod is the telescopic link.

An arc-shaped plate I is fixedly arranged in a second space, a toothed belt I is arranged on the inner wall of the arc-shaped plate I, arc-shaped grooves I are respectively arranged on two side walls of the arc-shaped plate I along the circumferential direction of the arc-shaped plate I, a sliding block I is arranged in each arc-shaped groove I in a sliding manner, a support rod I is arranged on the upper surface of each sliding block I, an arc-shaped plate II perpendicular to the arc-shaped plate I is arranged on each support rod I, a gear II meshed with the toothed belt I is rotatably arranged between the two support rods I, a toothed belt II is arranged on the inner wall of each arc-shaped plate II, arc-shaped grooves II are respectively arranged on the two side walls of the arc-shaped plate II along the circumferential direction of the arc-shaped plate II, a sliding block II is arranged in each arc-shaped groove II in a sliding manner, a support rod II is arranged on the upper surface of each sliding block II, swing rods are arranged on the two support rods II, a gear I meshed with, the swing rod is connected with the outer wall of the ball I, when the driving motor I drives the gear II to move on the toothed belt I arranged on the arc-shaped plate I, the angle between the spray head and the perpendicular bisector of the working table surface can be adjusted, the control terminal is used for controlling the driving motor I to drive the gear II to move, and the driving motor II drives the gear I to move, so that the rotation angle of the spray head is adjusted, namely the driving motor I drives the gear II to move in the movement direction of the arc-shaped plate I and the movement distance of the gear II in the movement direction of the arc-shaped plate I; drive I motion of gear through driving motor II and move the movement distance at arc II with II motions of gear at the motion direction of arc II, can guarantee the angle between shower nozzle and the tunnel excavation terminal surface through this kind of design, thereby the realization is rule the sectional profile of excavation, can adjust shower nozzle and table surface water flat line's angle when II motions of the tooth belt that driving motor II drive gear I set up on arc II, can realize that the shower nozzle is rule along the sectional profile of excavation, thereby the curved precision of profile has been guaranteed to this robot when realizing digging the sectional profile and ruling.

Further, the control terminal comprises a main control module, the main control module is arranged on the bearing plate, the bearing column is provided with a tilt angle sensor module, the spray head is provided with an electromagnetic valve, and the tilt angle sensor module, the electromagnetic valve, the driving motor I and the driving motor II are all electrically connected with the main control module, wherein the main control module is used for processing information sent by the tilt angle sensor module and sending a control signal to the electromagnetic valve; the inclination angle sensor module is used for detecting the inclination angle of the bearing column; the electromagnetic valve is used for controlling the opening and closing of the spray head. Control and real time monitoring through other terminals by the staff in the position far away from tunnel excavation terminal surface, measure the table surface when angle sensor for the deviation of appearance of horizontal plane, can be timely adjust the adjusting part, make table surface keep balanced state. The advancing track of the device and the angle of the spraying device are controlled by the main control module, so that the precision of a profile curve of a section to be excavated by spraying is improved, the condition that the excavating amount of a constructor is over insufficient in the construction process is prevented, the precision of an end face to be excavated is effectively controlled by controlling in an intelligent mode to perform lineation treatment, the condition that the constructor climbs to a lineation position of the inner wall of a tunnel is prevented, potential safety hazards caused by manually spraying obvious pigment on the section to be excavated are greatly guaranteed, the safety of the constructor is greatly guaranteed, the main control module controls the spraying device arranged on a round bar to reach the optimal position for spraying, a complete profile curve is drawn on the profile curve of the section to be excavated, and the motion path of the advancing device and the height of a spraying assembly of the device are controlled by the main control module, thereby improve the required sectional profile curve's of excavation precision of spraying precision, prevent that constructor from taking place the emergence of the condition of the volume of digging excessively short in the work progress, the angle sensor who sets up can the perception table surface's inclination, thereby send out information to host system, guide host system to make timely adjustment, adjust the operating condition of shower nozzle, can measure the deflection angle that bears the post at the motion in-process at moment measured the bearing post through being equipped with inclination sensor module on the bearing post, when the bearing post takes place to deflect, host system closes the solenoid valve after giving an instruction to the solenoid valve.

Furthermore, the guiding assembly comprises two vertical rods, the upper end of each vertical rod is provided with an infrared transmitter I, the middle part of one vertical rod is provided with an infrared transmitter II, the middle part of the other vertical rod is provided with an infrared receiver II, the outer wall of the bearing column is provided with a through hole, a shielding plate is arranged in the through hole, the upper ends of two side walls of the shielding plate are provided with a plurality of photosensitive components matched with the infrared transmitters I, and the lower end of the shielding plate is provided with a light hole; in an initial state, a laser beam emitted by the infrared emitter II penetrates through the light hole to be received by the infrared receiver II; laser beams emitted by the infrared emitters I on the two vertical rods are respectively received by photosensitive components; two vertical rods are respectively placed on two sides of the tunnel excavation section.

When a constructor lines the tunnel excavation section through the device, as the excavation of the tunnel excavation section is in progress at any moment, a bearing plate and a spraying component I arranged on the bearing plate incline along with the bearing plate, so that the posture of a spray head does not meet the spraying requirement, through arranging a through hole on a bearing column, arranging a shielding plate in the through hole, arranging a plurality of photosensitive components on two side walls of the shielding plate, wherein the photosensitive components on the two side walls of the shielding plate are opposite one to one, and any two adjacent photosensitive components on the two side walls of the shielding plate are equidistant, and as a laser beam emitted by two emitters I is straight, the bearing plate can be ensured to work, the device can move along a straight line, when the device is used for marking the end face of tunnel excavation, when the device moves along the straight line of a laser beam emitted by an emitter I, the laser beams emitted by two emission ends irradiate photosensitive components at different positions on a shielding plate, the bearing plate does not move along the straight line at the moment, when the laser beams emitted by the two emission ends irradiate on the photosensitive components positioned in the middle on the shielding plate, the shielding plate is ensured to move along the straight line, the calculation process is calculated by a control terminal, when the laser beams emitted by the two emission ends irradiate on the photosensitive components at different positions on the shielding plate, the bearing plate does not move along the straight line at the moment, namely when the two horizontal laser beams irradiate on the photosensitive components at different positions on the shielding plate, the two photosensitive components are staggered, the bearing plate does not move along the laser beams, and the position of the device is regulated and controlled by the control terminal, close the spraying function of shower nozzle in the spraying subassembly I to adjust the gesture of spraying subassembly I, make it satisfy the required position of work, shine on the sensitization components and parts of the difference of shielding plate when the laser beam, we just can be through calculating the position and the distance of arbitrary two sensitization components and parts, because all be equipped with a plurality of sensitization components and parts on two lateral walls of shielding plate, and a plurality of sensitization components and parts that are located on two lateral walls of shielding plate are relative one by one, and arbitrary two adjacent sensitization components and parts equidistance, according to triangular calculation formula we can regard a plurality of sensitization components and parts that set up on the shielding plate as the point on each limit of triangle-shaped, thereby utilize the triangle-shaped formula to calculate the height of descending of loading board.

Furthermore, the adjusting component II comprises a toothed belt III, a cavity I is formed in the bearing plate, a communicating hole is formed in the upper surface of the bearing plate, a hydraulic cylinder is connected in the communicating hole in a spherical mode, two ends of the hydraulic cylinder penetrate through the communicating hole in a movable mode and then protrude out of the communicating hole, the output end of the hydraulic cylinder is connected with the lower end of the bearing column, an arc-shaped plate III is arranged in the cavity I, the middle of the arc-shaped plate III bends towards the direction far away from the hydraulic cylinder, the toothed belt III is arranged on the inner wall of the arc-shaped plate III, arc-shaped grooves III are formed in two side walls of the arc-shaped plate III along the circumferential direction of the arc-shaped plate III, a sliding block III is arranged in each arc-shaped groove III in a sliding mode, a supporting rod III is arranged on the upper surface of each sliding block III, a gear III meshed with the toothed belt III is rotatably arranged between, the output end of the driving motor III is connected with the rotating shaft of the gear III, the two support rods III of the body of the hydraulic cylinder are hinged, and the hydraulic cylinder, the driving motor III and the photosensitive component are all electrically connected with the main control module.

The control terminal is used for controlling the driving motor III to drive the gear III to move in the direction on the arc-shaped plate III and move on the arc-shaped plate III, so that the bearing column is adjusted to be in a state vertical to the horizontal plane, when the control terminal controls the driving motor III to drive the gear III to move in the direction on the arc-shaped plate III and move on the arc-shaped plate III, the bearing column is adjusted to be in a state vertical to the horizontal plane, the working table is kept in a horizontal state, the guiding assembly arranged in the bearing column is adjusted to be in an initial position by adjusting the hydraulic cylinder, the working table is kept horizontal, so that the spray head is in a correct line marking state, the angle of the spray head is adjusted by the adjusting assembly, the precision of the profile curve of the section to be excavated by spraying is improved, and the condition, therefore, by controlling the gear III to return to the right according to the hydraulic cylinder connected with the gear III, after the gear III is lifted or descended for a certain height, because the bearing plate can be depressed and raised, the state of the hydraulic cylinder at the moment is determined according to the situation, the worktable surface at the moment when the infrared emitter II penetrates through the light-transmitting hole arranged on the baffle plate and is received by the infrared receiver II is kept in a horizontal state, the infrared receiver II and the photosensitive component are electrically connected with the main control module, the infrared receiver II and the photosensitive component can both send the received signals to the main control module, the main control module can ensure that the electromagnetic valve can be closed in time when the bearing column is inclined when the spray head works, prevents the situation that the line cannot be drawn along a set line when the line is drawn, even when the spray head is started again to work after being stopped again, the line drawing is discontinuous, and the line drawing does not influence constructors to construct the tunnel excavation section.

Further, drive assembly includes two annular tracks, all overlaps along two annular tracks of horizontal direction and establishes on the loading board, and the carrier bar is located between two annular tracks a plurality of through-holes have all been seted up to the both sides of loading board, all rotate in every through-hole and be equipped with the carrier wheel, and the carrier wheel that is located the carrier bar homonymy cooperates with annular track, all rotates at the both ends of loading board and is equipped with two leading wheels, and the leading wheel that is located the carrier bar homonymy cooperates with annular track, all is equipped with two drive leading wheel pivoted driving motor IV at the both ends of loading board, every driving motor IV all is connected with the host system electricity. Through the cover is equipped with two annular tracks on the loading board, drives two annular track and bears the weight of the wheel on the loading board, and when the annular track moved on the basis bottom surface in tunnel under the drive of bearing the weight of the wheel, can provide good supporting role, improved the trafficability characteristic of loading board, be favorable to the shower nozzle to the tunnel excavation sectional profile operation of ruling.

And furthermore, a coating storage and a pump are arranged on the upper surface of the bearing plate, a spray head positioned in the spraying assembly is communicated with the pump and the coating storage through pipelines, and the pump is electrically connected with the main control module. The coating device comprises a transverse plate, a coating storage device and a pumping device, wherein the transverse plate is arranged on the transverse plate, the coating storage device is communicated with the pumping device and the coating storage device through pipelines, and the coating storage device and the pumping device arranged on the bottom plate can provide basic materials to enable the device to be implemented in a working state.

In conclusion, compared with the prior art, the invention has the following beneficial effects:

1. the invention effectively controls the accuracy of the excavation end face required by the lineation treatment by using an intelligent control mode, prevents operators from climbing to the lineation position of the inner wall of the tunnel, then the safety hidden trouble caused by manually decorating the obvious pigment on the section to be excavated greatly ensures the safety of constructors, the main control module controls the spraying device arranged on the round rod to reach the optimal spraying position, thereby drawing a complete contour curve on the contour curve of the section to be excavated, accurately measuring the advancing track by the measuring module and the positioning module, controlling the motion path of the advancing device of the device and the height of the spraying device by the control terminal, therefore, the accuracy of the profile curve of the section to be excavated by spraying is improved, and the condition that the excavation amount exceeds the excavation amount is prevented from occurring in the construction process of constructors.

2. The spraying device can ensure the angle between the spray head and the tunnel excavation end face, so that the outline of the excavated section can be scribed, the angle between the spray head and the horizontal line of the working table top can be adjusted when the driving motor drives the toothed belt II arranged on the arc-shaped plate II to move, the spray head can be scribed along the outline of the excavated section, and the accuracy of the outline curve can be ensured when the robot scribes the outline of the excavated section.

3. The balance rod is arranged to deflect under the balance of the balancing weight, so that the working table surface is ensured to be balanced, namely, the spraying device is parallel to a horizontal line, the accuracy of marking is ensured when the spraying device carries out marking operation, the situation that the design excavation contour line cannot be accurately and quickly measured and released by adopting manual marking to influence later construction is prevented, and the situation that the over-short excavation amount occurs in the construction process of constructors is also prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the working structure of the technical scheme.

FIG. 2 is a front view of the present embodiment

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic cross-sectional view of the spraying device according to the present embodiment.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.

FIG. 6 is a schematic partial sectional view of the connection between the load-bearing column and the load-bearing plate according to the present invention.

Fig. 7 is an enlarged sectional view of part a of fig. 1.

The names corresponding to the reference numbers in the drawings are as follows:

1-vertical bar, 2-guide wheel, 3-endless track, 4-bearing wheel, 5-bearing plate, 6-pipeline, 7-paint storage, 8-bearing column, 9-ball III, 10-spray head, 11-fixed block, 12-working table, 13-first space, 14-second space, 15-ball II, 16-connecting bar I, 17-connecting bar II, 18-sleeve, 19-ball I, 20-swing rod, 21-partition plate, 22-arc plate II, 23-support rod II, 24-gear I, 25-gear II, 26-slide block I, 27-toothed belt I, 28-arc plate I, 29-support rod I, 31-arc groove II, 32-hydraulic cylinder, 33-arc plate III, 34-a cavity I, 35-a support rod III, 36-a gear III, 37-an arc groove III, 38-a photosensitive component, 39-a baffle plate, 40-a light hole and 41-a through hole V.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1:

as shown in fig. 1 to 7, an auxiliary scribing device suitable for a tunnel excavation section comprises a bearing plate 5, a bearing column 8 is arranged on the upper surface of the bearing plate 5, a driving assembly is arranged on the lower surface of the bearing plate 5, a working table 12 is arranged on the bearing column 8, a spraying assembly is arranged on the working table 12, the spraying assembly comprises a fixing block 11, the fixing block 11 is arranged on the upper surface of the working table 12, a cavity iii is arranged in the fixing block 11, a partition plate 21 for dividing the cavity iii into two spaces is arranged in the cavity iii, a first space 13 is arranged above the partition plate 21, a second space 14 is arranged below the partition plate 21, a through hole iii is arranged on the partition plate 21, a ball i 19 matched with the inner diameter of the through hole iii is movably arranged in the through hole iii, the outer surfaces of two sides of the ball i 19 are respectively arranged in the first space 13 and the second space 14, a sleeve 18 is arranged in the first space 13 in a sliding manner, two ends of the sleeve 18 are respectively provided with a round ball II 15 matched with the inner diameter of the sleeve 18 in a rotating manner, the round ball II 15 close to the lower end of the sleeve 18 is connected with a round ball I19 through a connecting rod I16, the upper surface of the fixing block 11 is provided with a through hole IV communicated with the cavity III, a round ball III 9 matched with the inner diameter of the through hole IV is movably arranged in the through hole IV, the outer surfaces of two sides of the round ball III 9 are respectively protruded out of the through hole IV, the round ball III 9 is connected with the round ball II 15 close to the upper end of the sleeve 18 through a connecting rod II 17, the spray head 10 is further included, the spray head 10 is connected with the outer surface of the round ball III 9, an adjusting component I used for controlling the spray head 10 to turn over is arranged in the second space 14, an adjusting component II used for correcting the inclination angle of the bearing column 8 is arranged on, and a control terminal electrically connected with the adjusting component I and the guiding component is arranged in the bearing plate 5.

The invention aims to solve the problem that in the construction process of highway tunnel engineering, the excavation section needs to be scribed at the excavation stage, so that the condition that the excavation amount of a constructor is over-short in the construction process is prevented, the technical method adopted in the prior art is that various parameters of a tunnel are accurately measured by a distance measuring instrument, the constructor climbs to each scribing position on the inner wall of the tunnel, and then the constructor sprays a conspicuous pigment on the contour curve of the section to be excavated to form a complete contour curve;

this device is equipped with bearing post 8 on the upper surface of loading board 5 be equipped with drive assembly on the lower surface of loading board 5 be equipped with the disc on bearing post 8 be equipped with table surface 12 on the upper surface of disc be equipped with spraying component on table surface 12, still be equipped with three-dimensional laser scanner on table surface 12, when the spraying component that will set up on loading board 5 through the drive assembly that sets up on loading board 5 asks the fortune to the lineation position that the terminal surface was seted up to the tunnel, through the high-speed laser that three-dimensional laser scanner launches to the tunnel excavation terminal surface scan the measurement back, the three-dimensional coordinate data on measured object surface is acquireed fast to large tracts of land high resolution ground. The three-dimensional image model of an object can be rapidly and massively acquired, the three-dimensional image model is rapidly established, after being processed by a control terminal, the control terminal controls the movement of an adjusting component I to adjust the movement of a spray head 10 relative to a working table 12, a cavity III is arranged in a fixed block 11, a partition plate 21 for dividing the cavity III into two spaces is arranged in the cavity III, a first space 13 is arranged above the partition plate 21, a second space 14 is arranged below the partition plate 21, a through hole III is arranged on the partition plate 21, a round ball I19 matched with the inner diameter of the through hole III is movably arranged in the through hole III, the outer surfaces of two sides of the round ball I19 are respectively arranged in the first space 13 and the second space 14, a sleeve 18 is arranged in the first space 13 in a sliding manner, and round balls II 15 matched with the inner diameter of the sleeve 18 are rotatably arranged at two ends of the sleeve 18, the ball II 15 close to the lower end of the sleeve 18 is connected with the ball I19 through a connecting rod I16, a through hole IV communicated with the cavity III is formed in the upper surface of the fixed block 11, the ball III 9 which is movably matched with the inner diameter of the through hole IV is arranged in the through hole IV, the outer surfaces of two sides of the ball III 9 are respectively positioned in the first space 13 and outside, the ball III 9 is connected with the ball II 15 close to the upper end of the sleeve 18 through the connecting rod I16, the spray head 10 is connected with the outer surface of the ball III 9, which is positioned outside, the movement of the spray head 10 is adjusted through an adjusting component I arranged in the second space 14, the spray head 10 of the ball III 9, which is positioned on the outer surface of the outside, is forced to move at any angle relative to the working table surface 12, and when the control terminal calculates the scanning result of the tunnel excavation section by the three-dimensional laser scanner, the control terminal calculates the required drawing, thereby realize through control terminal that shower nozzle 10 lineates the sectional profile of excavation, still control the orbit of marcing of this device through main control terminal, thereby the precision of profile curve has been guaranteed, prevent that constructor from taking place the emergence of the condition of the volume of digging excessively under in the work progress, thereby improve the required sectional profile curve's of excavation precision of spraying, prevent that constructor from taking place the emergence of the condition of the volume of digging excessively under in the work progress, the precision of handling required excavation terminal surface is drawn a line with intelligent mode control obtains effectual control, the lineation position that needs the operation personnel to climb to the tunnel inner wall has been prevented, then by the artifical potential safety hazard that brings with the pigment flower that shows the eye on the section of required excavation, very big guarantee constructor's safety.

Example 2:

as shown in fig. 1 to 7, the present embodiment is further defined on the basis of embodiment 1 as follows: in this embodiment, the adjusting assembly i includes an arc plate i 28, the arc plate i 28 is fixed in the second space 14, the middle of the arc plate i 28 is bent toward a direction away from the partition plate 21, a toothed belt i 27 is provided on the inner wall of the arc plate i 28, arc grooves i are provided on two side walls of the arc plate i 28 along the circumferential direction of the arc plate i 28, a slider i 26 is slidably provided in each arc groove i, a support rod i 29 is provided on the upper surface of each slider i 26, an arc plate ii 22 perpendicular to the arc plate i 28 is provided on the support rod i 29, the middle of the arc plate ii 22 is bent toward a direction away from the partition plate 21, a gear ii 25 engaged with the toothed belt i 27 is rotatably provided between the two support rods i 29, a driving motor i is fixedly provided between the two support rods i 29, the output end of the driving motor i is connected with the rotating shaft of the gear ii 25, be equipped with cingulum II on the inner wall of arc II 22, be in along the circumference of arc II 22 all be equipped with arc II 31 on two lateral walls of arc II 22, every all slide in the arc II 31 and be equipped with slider II, all be equipped with branch II 23 on the upper surface of every slider II, two be equipped with pendulum rod 20 on the branch II 23, rotate between two branch II 23 and be equipped with I24 of the II meshing of cingulum, the fixed driving motor II that is equipped with between two branch II 23, the output of driving motor II is connected with the pivot of I24 of gear, pendulum rod 20 and ball I19's outer wall connection, pendulum rod 20 is the telescopic link.

By fixedly arranging an arc-shaped plate I28 in the second space 14, arranging a toothed belt I27 on the inner wall of the arc-shaped plate I28, arranging arc-shaped grooves I on two side walls of the arc-shaped plate I28 along the circumferential direction of the arc-shaped plate I28, arranging a sliding block I26 in each arc-shaped groove I in a sliding manner, arranging a support rod I29 on the upper surface of each sliding block I26, arranging an arc-shaped plate II 22 perpendicular to the arc-shaped plate I28 on each support rod I29, rotatably arranging a gear II 25 meshed with the toothed belt I27 between the two support rods I29, arranging a toothed belt II on the inner wall of the arc-shaped plate II 22, arranging arc-shaped grooves II 31 on the two side walls of the arc-shaped plate II 22 along the circumferential direction of the arc-shaped plate II 22, arranging a sliding block II in each arc-shaped groove II 31 in a sliding manner, arranging a support rod II 23 on the upper surface of each sliding block II, arranging swing rods 20 on the two support rods II 23, a gear I24 meshed with a toothed belt II is rotatably arranged between the two support rods II 23, the swing rod 20 is connected with the outer wall of the ball I19, when the driving motor I drives the gear II 25 to move on the toothed belt I27 arranged on the arc-shaped plate I28, the angle between the spray head 10 and the perpendicular bisector of the working table surface 12 can be adjusted, the control terminal is used for controlling the driving motor I to drive the gear II 25 to move, and the driving motor II to drive the gear I24 to move, so that the rotation angle of the spray head 10 is adjusted, namely the driving motor I is used for driving the gear II 25 to move in the movement direction of the arc-shaped plate I28 and the movement distance of the gear II 25 in the arc-shaped plate I28; drive the I24 motion of gear through driving motor II and move the moving distance at arc II 22's direction of motion and gear II 25 motion at arc II 22, can guarantee the angle between shower nozzle 10 and the tunnel excavation terminal surface through this kind of design, thereby the realization is rule the sectional profile of excavation, can adjust shower nozzle 10 and the 12 water flat line angle of table surface when II drive gear I24 of driving motor II moves at the tooth area II that sets up on arc II 22, can realize that shower nozzle 10 is rule along the sectional profile of excavation, thereby the curved precision of profile has been guaranteed when realizing this robot to ruling the sectional profile of excavation.

Example 3:

as shown in fig. 1 to 7, the present embodiment is further defined on the basis of embodiment 1 as follows: the control terminal comprises a main control module, the main control module is arranged on a bearing plate 5, a dip angle sensor module is arranged on a bearing column 8, an electromagnetic valve is arranged on a spray head 10, and the dip angle sensor module, the electromagnetic valve, a driving motor I and a driving motor II are all electrically connected with the main control module, wherein the main control module is used for processing information sent by the dip angle sensor module and sending a control signal to the electromagnetic valve; the inclination angle sensor module is used for sensing the running angle of the bearing plate 5; the solenoid valve is used to control the closing state of the spray head 10. Control and real time monitoring are come through other terminals by the staff in the position far away from tunnel excavation terminal surface, measure the deviation that appears of table surface 12 for the horizontal plane when angle sensor, can be timely adjust the adjusting part, make table surface 12 keep balanced state. The advancing track of the device and the angle of the spraying device are controlled by the main control module, so that the precision of a profile curve of a section to be excavated by spraying is improved, the condition that the excavating amount of a constructor is over insufficient in the construction process is prevented, the precision of an end face to be excavated is effectively controlled by controlling in an intelligent mode to perform lineation treatment, the condition that the constructor climbs to a lineation position of the inner wall of a tunnel is prevented, potential safety hazards caused by manually spraying obvious pigment on the section to be excavated are greatly guaranteed, the safety of the constructor is greatly guaranteed, the main control module controls the spraying device arranged on a round bar to reach the optimal position for spraying, a complete profile curve is drawn on the profile curve of the section to be excavated, and the motion path of the advancing device and the height of a spraying assembly of the device are controlled by the main control module, thereby improve the required sectional profile curve's of excavation precision of spraying precision, prevent that constructor from taking place the emergence of the condition of the volume of digging excessively short in the work progress, the angle sensor who sets up can the inclination of perception table surface 12, thereby send out information to host system, guide host system to make timely adjustment, adjust the operating condition of shower nozzle 10, can measure the bearing column 8 through being equipped with the inclination sensor module on bearing column 8 and measure the deflection angle of bearing column 8 in the motion process at moment, when bearing column 8 takes place to deflect, host system closes the solenoid valve after giving out the instruction to the solenoid valve.

Further, the guiding assembly comprises two vertical rods 1, an infrared transmitter I is arranged at the upper end of each vertical rod 1, an infrared transmitter II is arranged in the middle of one vertical rod 1, an infrared receiver II is arranged in the middle of the other vertical rod 1, a through hole 41 is formed in the outer wall of the bearing column 8, a shielding plate 39 is arranged in the through hole 41, a plurality of photosensitive components 38 matched with the infrared transmitters I are arranged at the upper ends of two side walls of the shielding plate 39, and a light hole 40 is formed in the lower end of the shielding plate 39; in the initial state, a laser beam emitted by the infrared emitter II penetrates through the light hole 40 and is received by the infrared receiver II; laser beams emitted by the infrared emitters I on the two vertical rods 1 are respectively received by the photosensitive component 38; two vertical rods 1 are respectively placed on two sides of a tunnel excavation section.

When a constructor lines a tunnel excavation section through the device, as excavation of the tunnel excavation section is in progress at any moment, a pit is more or less formed on the foundation surface of the tunnel to cause uneven bottom surface, so that when the device advances on the foundation surface, the bearing plate 5 and the spraying component I arranged on the bearing plate 5 are inclined together with the bearing plate 5, and the posture of the spray head 10 is not in accordance with the spraying requirement, through the through hole 41 formed on the bearing column 8, the shielding plate 39 is arranged in the through hole 41, the two side walls of the shielding plate 39 are respectively provided with the plurality of photosensitive components 38, the plurality of photosensitive components 38 on the two side walls of the shielding plate 39 are opposite to each other, any two adjacent photosensitive components 38 on the two side walls of the shielding plate 39 are equidistant, and because the laser beams emitted by the two emitters I are in a straight line, therefore, the bearing plate 5 can move along a straight line when working, when the device is used for marking the end face of tunnel excavation, when the device moves along the straight line of the laser beam emitted by the emitter I, the laser beams emitted by the two emission ends irradiate the photosensitive components 38 at different positions on the shielding plate 39, the bearing plate 5 does not move along the straight line at the moment, when the laser beams emitted by the two emission ends irradiate the photosensitive components 38 which are positioned on the center of the shielding plate 39, the shielding plate 39 moves along the straight line, the calculation process is calculated by the control terminal, when the laser beams emitted by the two emission ends irradiate the photosensitive components 38 at different positions on the shielding plate 39, the bearing plate 5 does not move along the straight line at the moment, namely when the two horizontal laser beams irradiate the photosensitive components 38 at different positions on the shielding plate 39, the two photosensitive components 38 are staggered, the bearing plate 5 does not move linearly along the laser beam, the position of the device is regulated and controlled through the control terminal, and the spraying function of the spray head 10 in the spraying component I is closed, so that the posture of the spraying component I is adjusted, and the position required by work is met.

Example 4:

as shown in fig. 1 to 7, the present embodiment is further defined on the basis of embodiment 1 as follows: the adjusting component II comprises a toothed belt III, a cavity I34 is formed in the bearing plate 5, a communication hole is formed in the upper surface of the bearing plate 5, a hydraulic cylinder 32 is connected in the communication hole in a spherical mode, two ends of the hydraulic cylinder 32 penetrate through the communication hole movably and then protrude out of the communication hole, the output end of the hydraulic cylinder 32 is connected with the lower end of the bearing column 8, an arc-shaped plate III 33 is arranged in the cavity I34, the middle of the arc-shaped plate III 33 bends towards the direction far away from the hydraulic cylinder 32, the toothed belt III is arranged on the inner wall of the arc-shaped plate III 33, arc-shaped grooves III 37 are formed in two side walls of the arc-shaped plate III 33 along the circumferential direction of the arc-shaped plate III 33, a sliding block III is arranged in each arc-shaped groove III 37 in a sliding mode, a support rod III 35 is arranged on the upper surface of each sliding block III, and a gear III 36 meshed with the, fixed driving motor III that is equipped with between two III 35 branches, driving motor III's output is connected with gear III 36's pivot two III 35 articulations of branch of pneumatic cylinder 32, driving motor III, sensitization components and parts 38 all are connected with the main control module electricity.

The control terminal is used for controlling the movement direction of the driving motor III driving the gear III 36 and then the arc plate III 33 and the movement distance on the arc plate III 33, thereby adjusting the bearing column 8 to be in a state vertical to the horizontal plane, when the control terminal adjusts the bearing column 8 to be in a state vertical to the horizontal plane through controlling the driving motor III to drive the gear III 36, then the moving direction of the arc plate III 33 and the moving distance on the arc plate III 33, the working table surface 12 keeps in a horizontal state, the guiding assembly arranged in the carrying column 8 is adjusted back to the initial position by adjusting the hydraulic cylinder 32, while the table top 12 is kept horizontal, thereby ensuring that the nozzle 10 is in a correct line marking state, when the angle of the nozzle 10 is adjusted by the adjusting assembly, therefore, the accuracy of the profile curve of the section to be excavated by spraying is improved, and the condition that the excavation amount exceeds the excavation amount is prevented from occurring in the construction process of constructors.

Example 5:

as shown in fig. 1 to 7, the present embodiment is further defined on the basis of embodiment 1 as follows: this embodiment drive assembly includes two annular tracks 3, and 3 all overlap establishes on loading board 5 along two annular tracks of horizontal direction, and bear post 8 and be located between two annular tracks 3 a plurality of through-holes have all been seted up to the both sides of loading board 5, all rotate in every through-hole and be equipped with carrier wheel 4, and carrier wheel 4 that is located 8 homonymies of carrier post cooperates with annular track 3, all rotates at the both ends of loading board 5 and is equipped with two leading wheels 2, and the leading wheel 2 that is located 8 homonymies of carrier post cooperates with annular track 3, all is equipped with two drive leading wheel 2 pivoted driving motor IV at the both ends of loading board 5, every driving motor IV all is connected with the host system electricity. Through the cover is equipped with two annular track 3 on loading board 5, drives two annular track 3 and bears wheel 4 on loading board 5, and when annular track 3 moved on the basis bottom surface in tunnel under the drive of bearing wheel 4, can provide good supporting role, improved loading board 5's throughput, be favorable to shower nozzle 10 to the sectional profile of tunnel excavation marking off operation.

Preferably, a paint storage 7 and a pump are arranged on the upper surface of the bearing plate 5, a spray head 10 in the spraying assembly is communicated with the pump and the paint storage 7 through a pipeline 6, and the pump is electrically connected with the main control module. The coating storage 7 and the pumping device are arranged on the upper surface of the transverse plate, the spraying device is communicated with the pumping device and the coating storage 7 through a pipeline 6, and the coating storage 7 and the pumping device which are arranged on the bottom plate can provide basic materials under the working state of the device so that the device can be implemented.

The above-mentioned embodiments are preferred detailed descriptions of the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.