阅读说明：本技术 一种道路隧道工程建造施工方法 (Road tunnel engineering construction method ) 是由 龚大娇 于 2020-06-16 设计创作，主要内容包括：本发明涉及一种道路隧道工程建造施工方法,该道路隧道工程建造施工方法采用如下隧道工程建造施工装置,该隧道工程建造施工装置包括底板、转动电机、转轴、转动支板、弧形转板、转动连架和清理机构；所述的清理机构包括清理轮、清理轴、清理支板、滑动体、滑动弹簧、盖板和清理抬杆；采用上述隧道工程建造施工装置对道路隧道工程建造的施工方法,包括以下步骤：S1、底板放置；S2、隧道侧壁清理；S3、清理机构刮动；S4、清理抬杆抬升。本发明可以解决现有对隧道侧壁的浮石进行清理时存在的：人工对隧道的侧壁清理时会存在一定的安全隐患,且人工对浮石清理的效率较低,浮石清理不彻底等问题。(The invention relates to a road tunnel engineering construction method, which adopts a tunnel engineering construction device, wherein the tunnel engineering construction device comprises a bottom plate, a rotating motor, a rotating shaft, a rotating support plate, an arc-shaped rotating plate, a rotating connecting frame and a cleaning mechanism; the cleaning mechanism comprises a cleaning wheel, a cleaning shaft, a cleaning support plate, a sliding body, a sliding spring, a cover plate and a cleaning lifting rod; the construction method for constructing the road tunnel engineering by adopting the tunnel engineering construction device comprises the following steps: s1, placing a bottom plate; s2, cleaning the side wall of the tunnel; s3, scraping by a cleaning mechanism; and S4, lifting the cleaning lifting rod. The invention can solve the problems existing in the prior art that the method for cleaning the pumice on the side wall of the tunnel comprises the following steps: the manual work can have certain potential safety hazard when clearing up the lateral wall in tunnel, and the manual work is lower to the efficiency of pumice clearance, and the not thorough scheduling problem of pumice clearance.)

1. The road tunnel engineering construction method adopts the following tunnel engineering construction device, and the tunnel engineering construction device comprises a bottom plate (1), a rotating motor (2), a rotating shaft (3), a rotating support plate (4), an arc-shaped rotating plate (5), a rotating connecting frame (6) and a cleaning mechanism (7), and is characterized in that: a rotating shaft (3) is distributed above the middle of the bottom plate (1), the front end of the rotating shaft (3) is connected with an output shaft of a rotating motor (2) through a coupler, the rotating motor (2) is installed on the top of the front end of the bottom plate (1) through a motor sleeve, the rear end of the rotating shaft (3) is installed on the front side surface of a rotating support plate (4) through a bearing, the rotating support plate (4) is connected with the top of the rear end of the bottom plate (1), the front end and the rear end of the rotating shaft (3) are both connected with the lower end of a rotating connecting frame (6), an arc-shaped rotating plate (5) is installed at the upper ends of the two rotating connecting frames (6), and cleaning mechanisms (7) are uniformly installed on the outer side surface of the arc-shaped rotating; wherein:

the cleaning mechanism (7) comprises a cleaning wheel (71), a cleaning shaft (72), a cleaning support plate (73), a sliding body (74), a sliding spring (75), a cover plate (76) and a cleaning lifting rod (77), wherein the cleaning wheel (71) is positioned on the outer side of the arc-shaped rotating plate (5), the cleaning wheel (71) is arranged on the middle part of the cleaning shaft (72), the cleaning support plate (73) is distributed at the front end and the rear end of the cleaning shaft (72), the cleaning support plate (73) is arranged on the outer side surface of the arc-shaped rotating plate (5), the cleaning support plate (73) is vertical to the arc-shaped rotating plate (5), a square groove (731) is arranged in the middle of the cleaning support plate (73), sliding grooves which are longitudinally arranged are formed in the left side wall and the right side wall of the square groove (731), the sliding body (74) is positioned in the square groove (731), and the left and right side surfaces of the sliding body (74) are respectively provided with a sliding block which is in sliding fit with the sliding groove of the side wall of the square groove (731);

the upper side and the lower side of the sliding body (74) are connected with the inner end of a sliding spring (75), the outer end of the sliding spring (75) is installed on the inner wall of the square groove (731), the outer end of the cleaning shaft (72) penetrates through the sliding body (74), the front side and the rear side of the cleaning shaft (72) are respectively provided with a cover plate (76), the cover plates (76) are installed on the outer side face of the sliding body (74) in a bolt connection mode, a cleaning lifting rod (77) is distributed on the inner side of each cleaning support plate (73), the upper end of each cleaning lifting rod (77) is installed on the cleaning shaft (72), the middle part of each cleaning lifting rod (77) penetrates through the arc-shaped rotating plate (5), and the cleaning lifting rods (77) are perpendicular to the arc-shaped rotating plate (5);

the construction method for constructing the road tunnel engineering by adopting the tunnel engineering construction device comprises the following steps:

s1, placing the bottom plate (1): after the tunnel foundation engineering excavation is finished, removing pumice on the side wall of the tunnel, placing the bottom plate (1) in the middle of the tunnel, and locking the position of the bottom plate (1);

s2, cleaning the side wall of the tunnel: the arc-shaped rotating plate (5) can be driven to rotate through the rotation of the rotating motor (2), and a cleaning mechanism (7) at the top of the arc-shaped rotating plate (5) can clean pumice on the side wall of the tunnel;

s3, scraping by a cleaning mechanism (7): the cleaning wheel (71) on the cleaning mechanism (7) can move up and down under the action of the sliding body (74) and the sliding spring (75), so that the cleaning wheel (71) can be attached to the side wall of the tunnel to hang down the pumice, and the scraped pumice can fall onto the bottom plate (1) or the ground along the arc-shaped rotating plate (5);

s4, lifting the cleaning lifting rod (77): when there is the pumice in the sunk position of the lateral wall in tunnel, will clear up and lift pole (77) upwards lifting and can clear up the pumice of tunnel lateral wall sunk position, tunnel current position clearance back that finishes, remove bottom plate (1) to other positions in tunnel to carry out comprehensive clearance with the pumice of tunnel lateral wall.

2. The road tunnel engineering construction method according to claim 1, characterized in that: two rotation link frame (6) between distribute and to have support frame (8), the upper end of support frame (8) is the arc structure, and the arc structure of support frame (8) and the arc structure coaxial arrangement of arc commentaries on classics board (5), the lower extreme of support frame (8) is installed on the top of bottom plate (1).

3. The road tunnel engineering construction method according to claim 2, characterized in that: support frame (8) around both ends all be provided with an arc wall (81), all be provided with an arc spout on the inner wall of every arc wall (81), lifting frame (82) of arc structure are connected with the arc spout on arc wall (81) through sliding fit's mode, the position of lifting frame (82) is corresponding with the position of clearing up lifting rod (77), the link gear through U type structure is connected between the left end of two lifting frames (82).

4. A road tunnel engineering construction method according to claim 3, characterized in that: lifting frame (82) on evenly be provided with through-hole (83) along its arc structure, lifting briquetting (84) are located through-hole (83), the inner of lifting briquetting (84) is connected with the one end of lifting spring (85), the other end of lifting spring (85) is installed on the medial surface of lifting frame (82) through U type frame (86), the outer end of lifting briquetting (84) is the arc structure.

5. A road tunnel engineering construction method according to claim 3, characterized in that: be located support frame (8) front end be provided with round bar (87) on the leading flank of lifting frame (82), support frame (8) are passed in round bar (87), the front end of round bar (87) is located hollow cover (88), be sliding fit between the trailing flank of hollow cover (88) and the leading flank of support frame (8), the downside of hollow cover (88) is connected with the upper end of adjusting bolt (89) through the bearing, the lower extreme of adjusting bolt (89) is installed on adjusting support board (810) through screw-thread fit's mode, install on the left end leading flank of support frame (8) on adjusting support board (810).

6. The road tunnel engineering construction method according to claim 4, wherein: the telescopic force of the lifting spring (85) is greater than that of the sliding spring (75).

7. The road tunnel engineering construction method according to claim 1, characterized in that: the downside of clearance lift pole (77) on be provided with contact block (78), the downside of contact block (78) is the arcwall face, both ends all are provided with the arc chamfer about contact block (78).

8. The road tunnel engineering construction method according to claim 1, characterized in that: the front side surface of the arc-shaped rotating plate (5) is provided with a guide plate (51), the guide plate (51) is of an arc-shaped structure, and the front end of the guide plate (51) is arranged in a downward inclined mode.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a road tunnel engineering construction method.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel is under construction through the mode of artifical excavation, and the tunnel excavation finishes the back, and the clearance of pumice need be carried out to its lateral wall, and the pumice of tunnel lateral wall can drop in the tunnel guniting operation and produce the potential safety hazard.

The manual work of adopting when the lateral wall in tunnel carries out the pumice clearance utilizes the bore bit to scrape the pumice off, and the problem that exists when current pumice to the tunnel lateral wall is cleared up is as follows:

the manual work can have certain potential safety hazard when clearing up the lateral wall in tunnel, and the manual work is lower to the efficiency of pumice clearance, and the pumice clearance is not thorough, and the pumice of the sunk position of tunnel lateral wall can't effectively be cleared up.

Disclosure of Invention

In order to solve the problems, the invention provides a road tunnel engineering construction method, which adopts a tunnel engineering construction device, the tunnel engineering construction device comprises a bottom plate, a rotating motor, a rotating shaft, a rotating support plate, an arc-shaped rotating plate, a rotating connecting frame and a cleaning mechanism, the rotating shaft is distributed above the middle part of the bottom plate, the front end of the rotating shaft is connected with an output shaft of the rotating motor through a coupler, the rotating motor is arranged on the top of the front end of the bottom plate through a motor sleeve, the rear end of the rotating shaft is arranged on the front side surface of the rotating support plate through a bearing, the rotating support plate is connected with the top of the rear end of the bottom plate, the front end and the rear end of the rotating shaft are both connected with the lower end of one rotating connecting frame, the arc-shaped rotating plate is arranged on the upper ends of two rotating connecting frames, the arc-shaped structure of the arc-, according to the invention, pumice stones on the side wall of the tunnel can be cleaned, and potential safety hazards caused by the fact that the pumice stones in the tunnel fall off when sprayed on the side wall of the tunnel are prevented.

The cleaning mechanism comprises a cleaning wheel, a cleaning shaft, a cleaning support plate, a sliding body, a sliding spring, a cover plate and a cleaning lifting rod, wherein the cleaning wheel is positioned outside the arc-shaped rotating plate and is arranged in the middle of the cleaning shaft;

the upper side and the lower side of the sliding body are both connected with the inner end of a sliding spring, the outer end of the sliding spring is arranged on the inner wall of the square groove, the outer end of the cleaning shaft penetrates through the sliding body, the front side and the rear side of the cleaning shaft are both provided with a cover plate, the cover plate is arranged on the outer side of the sliding body in a bolt connection mode, the inner side of each cleaning support plate is uniformly distributed with a cleaning lifting rod, the upper end of the cleaning lifting rod is arranged on the cleaning shaft, the middle part of the cleaning lifting rod penetrates through the arc-shaped rotating plate, and the cleaning lifting rod is arranged perpendicular to the arc-shaped rotating plate, when the cleaning machine works, the cleaning machine can rotate under the driving of the rotating motor, so that the rotating cleaning machine can comprehensively scrape and clean pumice on the side wall of the tunnel, the cleaning shaft is connected on the outer side of the sliding body through the cover plate, so that the cleaning wheel can vertically slide along with the sliding body, and the sliding body can automatically perform vertical telescopic motion under, so that the tunnel lateral wall the slider can automatic downstream when protruding position appears, the pumice of tunnel lateral wall can be scraped under the rolling effect of cleaning wheel and drop to bottom plate or subaerial, when the pumice appears in the sunk position of tunnel lateral wall, upwards lifts the clearance and lifts the pole and can drive cleaning wheel rebound to the action can be cleared up with the pumice of tunnel lateral wall sunk position to cleaning wheel.

The construction method for constructing the road tunnel engineering by adopting the tunnel engineering construction device comprises the following steps:

s1, placing a bottom plate: after the excavation of the tunnel foundation engineering is finished, removing pumice on the side wall of the tunnel, placing a bottom plate in the middle of the tunnel, and locking the position of the bottom plate;

s2, cleaning the side wall of the tunnel: the arc-shaped rotating plate can be driven to rotate through the rotation of the rotating motor, and the cleaning mechanism at the top of the arc-shaped rotating plate can clean the pumice on the side wall of the tunnel;

s3, scraping by a cleaning mechanism: the cleaning wheel on the cleaning mechanism can move up and down under the action of the sliding body and the sliding spring, so that the cleaning wheel can be attached to the side wall of the tunnel to hang down the pumice, and the scraped pumice can fall onto a bottom plate or the ground along the arc-shaped rotating plate;

s4, lifting the cleaning lifting rod: when there is the pumice in the sunk position of the lateral wall in tunnel, will clear up the upwards lifting of lift rod and can clear up the pumice of tunnel lateral wall sunk position, tunnel current position clearance back that finishes, remove the bottom plate to other positions in tunnel to carry out comprehensive clearance with the pumice of tunnel lateral wall.

As a preferred technical scheme of the invention, a support frame is distributed between the two rotary connecting frames, the upper end of the support frame is of an arc structure, the arc structure of the support frame and the arc structure of the arc rotating plate are coaxially arranged, and the lower end of the support frame is arranged on the top of the bottom plate.

According to a preferable technical scheme, the front end and the rear end of the supporting frame are respectively provided with an arc-shaped groove, the inner wall of each arc-shaped groove is provided with an arc-shaped sliding groove, the lifting frame of the arc-shaped structure is connected with the arc-shaped sliding grooves in the arc-shaped grooves in a sliding fit mode, the position of the lifting frame corresponds to that of the cleaning lifting rod, the left ends of the two lifting frames are connected through a linkage frame of a U-shaped structure, and the lifting frame can lift the cleaning lifting rod so that the cleaning lifting rod can be automatically lifted to clean pumice in the groove of the side wall of the tunnel.

As a preferred technical scheme of the invention, through holes are uniformly arranged on the lifting frame along the arc structure of the lifting frame, a lifting pressing block is positioned in the through holes, the inner end of the lifting pressing block is connected with one end of a lifting spring, the other end of the lifting spring is arranged on the inner side surface of the lifting frame through a U-shaped frame, the outer end of the lifting pressing block is of the arc structure, the telescopic force of the lifting spring is greater than that of a sliding spring, when a rotating motor drives the cleaning mechanism to rotate, the cleaning lifting rod can synchronously rotate, and as the telescopic force of the lifting spring is greater than that of the sliding spring, the lower end of the cleaning lifting rod can drive a cleaning wheel to move upwards when in contact with the lifting pressing block so as to clean the sunken position of the tunnel, when the position is not sunken, the cleaning wheel can be abutted against the side wall of the tunnel, and at the moment, the lower end of the cleaning lifting rod can drive the lifting, thereby the lifting briquetting can not influence the rotation of clearance mechanism.

As a preferred technical scheme of the invention, a round rod is arranged on the front side surface of a lifting frame positioned at the front end of a support frame, the round rod penetrates through the support frame, the front end of the round rod is positioned in a hollow sleeve, the round rod can slide left and right in the hollow sleeve, the rear side surface of the hollow sleeve is in sliding fit with the front side surface of the support frame, the lower side surface of the hollow sleeve is connected with the upper end of an adjusting bolt through a bearing, the lower end of the adjusting bolt is arranged on an adjusting support plate in a thread fit manner, the adjusting support plate is arranged on the front side surface of the left end of the support frame, the hollow sleeve can be driven to move up and down by screwing the adjusting bolt, the hollow sleeve can drive the lifting frame to slide in an arc-shaped groove through the round rod, the lifting frame can synchronously move under the action of a linkage frame, so that the position of the lifting frame is adjusted, so that a lifting press block on, the cleaning effect of the pumice stones on the side wall of the tunnel is increased.

As a preferred technical scheme, the contact block is arranged on the lower side surface of the cleaning lifting rod, the lower side surface of the contact block is an arc-shaped surface, the left end and the right end of the contact block are respectively provided with an arc-shaped chamfer, and the arc-shaped surface and the arc-shaped chamfer of the contact block can increase the smoothness degree of the contact between the cleaning lifting rod and the lifting pressing block.

As a preferred technical scheme of the invention, the front side surface of the arc-shaped rotating plate is provided with the guide plate, the guide plate is of an arc-shaped structure, the front end of the guide plate is arranged in a downward inclined mode, and the guide plate can guide pumice to prevent the pumice from falling down and smashing the rotating motor.

The invention has the beneficial effects that:

firstly, the side wall pumice stone can be scraped and cleaned after the tunnel with the arc-shaped structure is excavated, so that potential safety hazards can not exist during the slurry spraying operation of the tunnel;

the cleaning mechanism can rotate under the driving of the rotating motor, so that the rotating cleaning mechanism can comprehensively scrape and clean the pumice on the side wall of the tunnel;

when the lower end of the cleaning lifting rod is in contact with the lifting pressing block, the cleaning wheel can be driven to move upwards so as to clean the sunken position of the tunnel, when the position is not sunken, the cleaning wheel can be abutted against the side wall of the tunnel, and at the moment, the lower end of the cleaning lifting rod can drive the lifting spring to contract, so that the rotation of the cleaning mechanism cannot be influenced by the lifting pressing block;

according to the invention, the lifting frame can synchronously move under the action of the linkage frame by screwing the adjusting bolt, so that the lifting pressing block on the lifting frame can drive the cleaning lifting rod to lift at different positions, and the cleaning effect of the pumice on the side wall of the tunnel is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic view of a first configuration of the present invention;

FIG. 3 is a second schematic structural view (from left to right) of the present invention;

FIG. 4 is a cross-sectional view of the present invention with the base plate removed;

FIG. 5 is a schematic view of the cleaning mechanism of the present invention shown after the cleaning lift pins have been removed;

FIG. 6 is a cross-sectional view of the arcuate rotating plate and the cleaning mechanism of the present invention;

FIG. 7 is a partial schematic view of the support frame of the present invention;

fig. 8 is a cross-sectional view of the support of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 8, a road tunnel engineering construction method adopts a tunnel engineering construction device which comprises a bottom plate 1, a rotating motor 2, a rotating shaft 3, a rotating support plate 4, an arc-shaped rotating plate 5, rotating connecting frames 6 and a cleaning mechanism 7, wherein the rotating shaft 3 is distributed above the middle part of the bottom plate 1, the front end of the rotating shaft 3 is connected with an output shaft of the rotating motor 2 through a coupler, the rotating motor 2 is arranged on the top of the front end of the bottom plate 1 through a motor sleeve, the rear end of the rotating shaft 3 is arranged on the front side surface of the rotating support plate 4 through a bearing, the rotating support plate 4 is connected with the top of the rear end of the bottom plate 1, the front end and the rear end of the rotating shaft 3 are both connected with the lower end of one rotating connecting frame 6, the arc-shaped rotating plate 5 is arranged on the upper ends of the two rotating connecting frames 6, the arc-shaped structure of the arc-shaped rotating plate 5 corresponds to, the cleaning mechanisms 7 are uniformly arranged on the outer side surface of the arc-shaped rotating plate 5 along the arc-shaped structure, the pumice on the side wall of the tunnel can be cleaned, the potential safety hazard caused by falling of the pumice on the side wall of the tunnel when spraying is prevented, firstly, the bottom plate 1 is placed at the position, needing pumice cleaning, in the middle of the tunnel, and the arc-shaped rotating plate 5 can be driven to rotate under the connecting action of the rotating connecting frame 6 through the rotation of the rotating motor 2, so that the pumice on the side wall of the tunnel can be cleaned by the cleaning mechanisms 7 arranged on the outer side surface of the arc-shaped rotating plate 5.

The cleaning mechanism 7 comprises a cleaning wheel 71, a cleaning shaft 72, a cleaning support plate 73, a sliding body 74, a sliding spring 75, a cover plate 76 and a cleaning lifting rod 77, wherein the cleaning wheel 71 is positioned on the outer side of the arc-shaped rotating plate 5, the cleaning wheel 71 is arranged in the middle of the cleaning shaft 72, the cleaning support plate 73 is distributed at the front end and the rear end of the cleaning shaft 72, the cleaning support plate 73 is arranged on the outer side surface of the arc-shaped rotating plate 5, the cleaning support plate 73 is arranged perpendicular to the arc-shaped rotating plate 5, a square groove 731 is arranged in the middle of the cleaning support plate 73, the left side wall and the right side wall of the square groove 731 are provided with sliding grooves which are longitudinally arranged, the sliding body 74 is positioned in the square groove 731, and the left side surface and the right side surface of the sliding body 74 are provided with sliding blocks which are in sliding fit;

the upper side and the lower side of the sliding body 74 are connected with the inner end of a sliding spring 75, the outer end of the sliding spring 75 is mounted on the inner wall of the square groove 731, the outer end of the cleaning shaft 72 penetrates through the sliding body 74, the front side and the rear side of the cleaning shaft 72 are respectively provided with a cover plate 76, the cover plates 76 are mounted on the outer side of the sliding body 74 in a bolt connection mode, a cleaning lifting rod 77 is distributed on the inner side of each cleaning support plate 73, the upper end of the cleaning lifting rod 77 is mounted on the cleaning shaft 72, the middle of the cleaning lifting rod 77 penetrates through the arc-shaped rotating plate 5, the cleaning lifting rod 77 is perpendicular to the arc-shaped rotating plate 5, when the cleaning device works specifically, the cleaning device 7 can rotate under the driving of the rotating motor 2, so that the rotating cleaning device 7 can comprehensively scrape and clean pumice on the side wall of the tunnel, the cleaning shaft 72 is connected on the outer side face of the sliding body 74 through the cover plate 76, so that the cleaning wheel 71 can vertically slide along with the sliding, the slider 74 can carry out the up-and-down concertina movement automatically under the effect of slip spring 75 to slider 74 can automatic downstream when the protruding position appears in the tunnel lateral wall, and the pumice of tunnel lateral wall can be scraped and fall to bottom plate 1 or subaerial under the rolling effect of cleaning wheel 71, and when the pumice appears in the sunk position of tunnel lateral wall, upwards lift the clearance and lift pole 77 and can drive cleaning wheel 71 rebound, so that cleaning wheel 71 can clear up the pumice of tunnel lateral wall sunk position and move.

Two the rotation even distribute between the frame 6 and have support frame 8, the upper end of support frame 8 is the arc structure, and the arc structure of support frame 8 and the arc structure coaxial arrangement of arc commentaries on classics board 5, the lower extreme of support frame 8 is installed on the top of bottom plate 1.

Support frame 8 around both ends all be provided with an arc wall 81, all be provided with an arc spout on the inner wall of every arc wall 81, the lifting frame 82 of arc structure is connected with the arc spout on the arc wall 81 through sliding fit's mode, the position of lifting frame 82 is corresponding with the position of clearance lift rod 77, be connected through the link frame of U type structure between the left end of two lifting frames 82, lifting frame 82 can play the lifting action to clearance lift rod 77, so that clearance lift rod 77 can automatic lifting make the pumice of tunnel lateral wall groove obtain the clearance.

The lifting frame 82 is uniformly provided with through holes 83 along the arc structure, the lifting pressing block 84 is positioned in the through holes 83, the inner end of the lifting pressing block 84 is connected with one end of a lifting spring 85, the other end of the lifting spring 85 is arranged on the inner side surface of the lifting frame 82 through a U-shaped frame 86, the outer end of the lifting pressing block 84 is of the arc structure, the telescopic force of the lifting spring 85 is greater than that of a sliding spring 75, when the rotating motor 2 drives the cleaning mechanism 7 to rotate, the cleaning lifting rod 77 can synchronously rotate, as the telescopic force of the lifting spring 85 is greater than that of the sliding spring 75, the lower end of the cleaning lifting rod 77 can drive the cleaning wheel 71 to move upwards when in contact with the lifting pressing block 84, so that the sunken position of the tunnel can be cleaned, when the position is not sunken, the cleaning wheel 71 can be abutted against the side wall of the tunnel, at the moment, the lower end of the cleaning lifting rod 77 can drive the lifting spring 85 to contract, so that lifting of the mass 84 does not interfere with the rotation of the cleaning mechanism 7.

The downside of clearance lift pole 77 on be provided with contact block 78, contact block 78's downside is the arcwall face, both ends all are provided with the arc chamfer about contact block 78, contact block 78's arcwall face and arc chamfer can increase the smooth and easy degree when clearance lift pole 77 contacts with lifting briquetting 84.

The front side face of the lifting frame 82 positioned at the front end of the support frame 8 is provided with a round rod 87, the round rod 87 penetrates through the support frame 8, the front end of the round rod 87 is positioned in a hollow sleeve 88, the round rod 87 can slide left and right in the hollow sleeve 88, the rear side face of the hollow sleeve 88 is in sliding fit with the front side face of the support frame 8, the lower side face of the hollow sleeve 88 is connected with the upper end of an adjusting bolt 89 through a bearing, the lower end of the adjusting bolt 89 is arranged on an adjusting support plate 810 in a threaded fit manner, the adjusting support plate 810 is arranged on the front side face of the left end of the support frame 8, the hollow sleeve 88 can be driven to move up and down by screwing the adjusting bolt 89, the hollow sleeve 88 can drive the lifting frame 82 to slide in an arc-shaped groove 81 through the round rod 87, the lifting frame 82 can synchronously move under the action of a linkage frame, so that the position of the lifting frame 82 is adjusted, and therefore a pressing block 84 on the lifting frame 82, the cleaning effect of the pumice stones on the side wall of the tunnel is increased.

The construction method for constructing the road tunnel engineering by adopting the tunnel engineering construction device comprises the following steps:

s1, placing the bottom plate 1: after the tunnel foundation engineering excavation is finished, removing pumice on the side wall of the tunnel, placing the bottom plate 1 in the middle of the tunnel, and locking the position of the bottom plate 1;

s2, cleaning the side wall of the tunnel: the arc-shaped rotating plate 5 can be driven to rotate through the rotation of the rotating motor 2, and the cleaning mechanism 7 at the top of the arc-shaped rotating plate 5 can clean the pumice on the side wall of the tunnel;

s3, scraping by the cleaning mechanism 7: the cleaning wheel 71 on the cleaning mechanism 7 can move up and down under the action of the sliding body 74 and the sliding spring 75, so that the cleaning wheel 71 can be attached to the side wall of the tunnel to hang down the pumice, and the scraped pumice can fall onto the bottom plate 1 or the ground along the arc-shaped rotating plate 5;

s4, lifting the cleaning lifting rod 77: when there is pumice in the sunken position of the lateral wall in tunnel, the lower extreme of clearance lifting rod 77 can drive clearance wheel 71 rebound when contacting with lifting briquetting 84, so as to clear up the sunken position in tunnel, clearance wheel 71 can support the lateral wall in tunnel when this position does not have sunken, the lower extreme of clearance lifting rod 77 can drive lifting spring 85 to shrink this moment, thereby lifting briquetting 84 can not influence the rotation of clearance mechanism 7, make lifting frame 82 can carry out synchronous motion under the effect of link through twisting adjusting bolt 89, thereby lifting briquetting 84 on lifting frame 82 can drive clearance lifting rod 77 and carry out the lifting action in different positions, increase the clearance effect of tunnel lateral wall pumice, after the current position in tunnel finishes clearing up, remove bottom plate 1 to other positions in tunnel, so that carry out comprehensive clearance with the pumice of tunnel lateral wall.

Arc commentaries on classics board 5's front side on be provided with deflector 51, deflector 51 is the arc structure, the front end downward sloping of deflector 51 arranges, deflector 51 can lead to the pumice, prevents that the pumice from dropping to pound bad rotation motor 2.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.