阅读说明：本技术 隧道自行式二衬混凝土定时养护台车 (Tunnel self-propelled two-lining concrete timing maintenance trolley ) 是由 刘召博 马小利 雒晓亮 吕剑 杨广运 张骅 赵伟 王建海 康志成 冯钰� 张东琼 于 2020-11-17 设计创作，主要内容包括：本发明公开了一种隧道自行式二衬混凝土定时养护台车,包括底梁、行走机构、转向机构、喷淋机构、固定柱、旋转机构,所述底梁的底部的两侧分别设置行走机构,所述转向机构位于底梁上部的两侧并且与行走机构连接,所述底梁的中心位置设置固定柱,所述喷淋机构分别设置在固定柱的上下两侧,所述旋转机构设置在固定柱上并且与喷淋机构的一部分连接用于驱动喷淋机构旋转切换方向。本发明设计结构合理,性能稳定,安全性能高,不用轨道可实现直线或曲线行走并设置时间,定时定点(一段距离)养护二衬混凝土,行走平稳,养护均匀,隧道拱顶混凝土也可以养护,速度可随时调节,噪音小更加节能环保,稳定性能强,大大提高了工作效率。(The invention discloses a tunnel self-propelled secondary lining concrete timed maintenance trolley which comprises a bottom beam, traveling mechanisms, steering mechanisms, a spraying mechanism, fixed columns and a rotating mechanism, wherein the traveling mechanisms are respectively arranged on two sides of the bottom beam, the steering mechanisms are positioned on two sides of the upper part of the bottom beam and are connected with the traveling mechanisms, the fixed columns are arranged at the center position of the bottom beam, the spraying mechanisms are respectively arranged on the upper side and the lower side of the fixed columns, and the rotating mechanism is arranged on the fixed columns and is connected with one part of the spraying mechanisms to drive the spraying mechanisms to rotate and switch directions. The invention has reasonable design structure, stable performance and high safety performance, can realize linear or curvilinear walking without a track and set time, maintains the concrete with two linings at fixed time and fixed point (a distance), has stable walking and uniform maintenance, can also maintain the concrete at the vault of the tunnel, can adjust the speed at any time, has low noise, saves more energy and protects the environment, has strong stability performance and greatly improves the working efficiency.)

1. The self-propelled two-lining concrete timed maintenance trolley is characterized by comprising a bottom beam, traveling mechanisms, steering mechanisms, a spraying mechanism, fixed columns and a rotating mechanism, wherein the traveling mechanisms are arranged on two sides of the bottom beam respectively and used for driving the bottom beam to move along a tunnel, the steering mechanisms are arranged on two sides of the upper portion of the bottom beam and connected with the traveling mechanisms and used for changing the advancing direction of the traveling mechanisms, the fixed columns are arranged at the central positions of the bottom beam, the spraying mechanisms are arranged on the upper side and the lower side of the fixed columns respectively and used for maintaining two-lining concrete in the tunnel, and the rotating mechanism is arranged on the fixed columns and connected with one part of the spraying mechanisms and used for driving the spraying mechanisms to rotate and switch directions.

2. The tunnel self-propelled secondary lining concrete timed maintenance trolley of claim 1 further comprising a stabilizing mechanism connected with a steering mechanism.

3. The tunnel self-propelled two-lined concrete timed maintenance trolley according to claim 1 or 2, characterized in that the travelling mechanism comprises a wheel box, a pair of guide wheels, a guide rail and a driving assembly, wherein the pair of guide wheels are arranged in the wheel box, the guide rail is arranged along the tunnel, the pair of guide wheels are arranged on the guide rail in a sliding manner, and the driving assembly is arranged on one side of the outer part of the wheel box and is connected with the guide wheels for driving the guide wheels to rotate forwards or backwards.

4. The tunnel self-propelled secondary lining concrete timed maintenance trolley according to claim 3, wherein the driving assembly comprises a driving motor, a driving chain wheel, a chain wheel and a chain, the driving chain wheel is arranged at the output end of the driving motor, the side surfaces of the pair of guide wheels are connected with the chain wheel through a shaft, and the driving chain wheel is connected with the chain wheel through the chain.

5. The tunnel self-propelled two-lining concrete timed maintenance trolley according to claim 4, wherein the steering mechanism comprises a steering motor, a first gear, a steering gear, a first rotating shaft and sensors, the steering motor is arranged on the bottom beam, the output end of the steering motor is connected with the first gear, the upper end of the first rotating shaft is provided with the steering gear, the lower end of the first rotating shaft is connected with a wheel box of the travelling mechanism, the first gear and the steering gear are meshed, the sensors are respectively arranged on the front side and the rear side of the wheel box of the travelling mechanism, and the sensors are connected with the steering motor.

6. The tunnel self-propelled two-lining concrete timed maintenance trolley according to claim 5, wherein the spraying mechanism comprises a water storage tank, a booster water pump, a water supply hose, a circumferential water pipe and a spray head, the water storage tank is arranged on the bottom beam and located on the lower side of the fixed column, the water storage tank is connected with the booster water pump through a pipeline, an electromagnetic valve is arranged between the water storage tank and the booster water pump, the booster water pump is connected with the circumferential water pipe through the water supply hose, the circumferential water pipe is arranged on the upper side of the fixed column through a rotating mechanism, and the spray head is arranged in a plurality of numbers and is arranged on one side, facing the two-lining concrete in the tunnel, of the.

7. The tunnel self-propelled secondary lining concrete timed maintenance trolley according to claim 6, wherein the rotating mechanism comprises a driving speed reducer, a second gear, a rotating gear and a second rotating shaft, the driving speed reducer is arranged on one side of the upper part of the fixed column, the lower end of the second rotating shaft is movably connected with the top of the fixed column, the rotating gear is sleeved on the lower end of the second rotating shaft and meshed with the second gear, and the upper end of the second rotating shaft is connected with a circumferential water pipe of the spraying mechanism for driving the spraying mechanism to rotate and switch directions.

8. The tunnel self-propelled secondary lining concrete timed maintenance trolley according to claim 7, characterized in that the stabilizing mechanism comprises a spring fixing block, a spring and a centering lever, wherein the centering lever is connected with the first rotating shaft, two sides of the centering lever are respectively connected with the spring fixing block through the spring, and the two spring fixing blocks are arranged on the bottom beam.

9. The tunnel self-propelled secondary lining concrete timed maintenance trolley according to claim 6, characterized in that the bottom beam is further provided with a reel, a pipeline with one end connected with the water storage tank and the other end connected with the water source supply side is wound on the reel, and a wire coiling barrel is further arranged on the bottom beam, and a cable with one end connected with the control box and the other end connected with the power supply side is wound on the wire coiling barrel.

10. The tunnel self-propelled secondary lining concrete timed maintenance trolley according to claim 7, further comprising a control box, wherein the control box is respectively connected with the traveling mechanism, the steering mechanism, the spraying mechanism, the fixed column and the rotating mechanism for timed control on or off.

Technical Field

The invention belongs to the technical field of construction machinery equipment, and particularly relates to a tunnel self-propelled two-lining concrete timed maintenance trolley.

Background

In recent years, along with the rapid development of national infrastructure, the construction quality and the production safety of the expressway and the expressway put forward more strict requirements.

Especially, the requirement on construction tool equipment and mechanical equipment is higher, more strict requirements are provided for energy conservation and environmental protection, so that the cost of a construction enterprise is increased, the construction enterprise also provides fine management, the management benefit is increased, namely the management efficiency is increased, the labor intensity of constructors is reduced, the operation efficiency is improved, the construction quality is improved, the timely and effective maintenance of the secondary lining concrete in the tunnel is guaranteed, and the quality of the secondary lining concrete is improved.

The two lining concrete curing in tunnel at present stage has great mistake district, need not maintain or can reduce the number of times or the ageing of maintenance, and constructor sprays water to the concrete surface with the water pipe during maintenance, and it is unset to spray time, and the tunnel vault can't spray and target in place, influences our construction quality and progress, does not have a easy operation, high efficiency's two lining concrete automatic walking regularly curing means in tunnel in the existing market yet.

Disclosure of Invention

In view of the above, the main object of the present invention is to provide a self-propelled tunnel-type two-lined concrete timed maintenance trolley.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the embodiment of the invention provides a tunnel self-propelled secondary lining concrete timed maintenance trolley which comprises a bottom beam, traveling mechanisms, a steering mechanism, a spraying mechanism, fixed columns and a rotating mechanism, wherein the traveling mechanisms are respectively arranged on two sides of the bottom beam and used for driving the bottom beam to move along a tunnel, the steering mechanism is positioned on two sides of the upper part of the bottom beam and connected with the traveling mechanisms and used for changing the traveling direction of the traveling mechanisms, the fixed columns are arranged at the central positions of the bottom beam, the spraying mechanisms are respectively arranged on the upper side and the lower side of the fixed columns and used for maintaining secondary lining concrete in the tunnel, and the rotating mechanism is arranged on the fixed columns and connected with one part of the spraying mechanisms and used for driving the spraying mechanisms to rotate and switch directions.

In the above scheme, the steering device further comprises a stabilizing mechanism, and the stabilizing mechanism is connected with the steering mechanism.

In the above scheme, the traveling mechanism includes a wheel box, a pair of guide wheels, a guide rail, and a driving assembly, the pair of guide wheels is disposed in the wheel box, the guide rail is disposed along the tunnel, the pair of guide wheels is slidably disposed on the guide rail, and the driving assembly is disposed on one side of the outside of the wheel box and is connected with the guide wheels for driving the guide wheels to rotate forward or backward.

In the above scheme, drive assembly includes driving motor, driving sprocket, chain, driving motor's output sets up driving sprocket, the side of a pair of leading wheel is connected with the sprocket through the axle, connect through the chain between driving sprocket and the sprocket.

In the above scheme, steering mechanism is including turning to motor, first gear, steering gear, first rotation axis, sensor, turn to the motor setting on the floorbar to the output is connected with first gear, the upper end of first rotation axis sets up steering gear, and the lower extreme is connected with running gear's wheel case, mesh between first gear and the steering gear, the sensor sets up both sides around running gear's wheel case respectively, the sensor with turn to the motor and be connected.

In the scheme, the spraying mechanism comprises a water storage tank, a booster water pump, a water supply hose, a circumferential water pipe and a spray head, the water storage tank is arranged on the bottom beam and located on the lower side of the fixed column, the water storage tank is connected with the booster water pump through a pipeline, an electromagnetic valve is arranged between the water storage tank and the booster water pump, the booster water pump is connected with the circumferential water pipe through the water supply hose, the circumferential water pipe is arranged on the upper side of the fixed column through a rotating mechanism, and the spray head is provided with a plurality of spray heads and is arranged on one side, facing the inner two lining concretes.

In the above scheme, the rotating mechanism includes a driving speed reducer, a second gear, a rotating gear, and a second rotating shaft, the driving speed reducer is disposed on one side of the upper portion of the fixed column, the lower end of the second rotating shaft is movably connected to the top of the fixed column, the rotating gear is sleeved on the lower end of the second rotating shaft and meshed with the second gear, and the upper end of the second rotating shaft is connected to a circumferential water pipe of the spraying mechanism to drive the spraying mechanism to rotate and switch directions.

In the above scheme, stabilizing mean includes spring fixed block, spring, transfers the thick stick, transfer the thick stick and be connected with first axis of rotation, transfer the both sides of thick stick and be connected with the spring fixed block through the spring respectively, two the spring fixed block sets up on the floorbar.

In the scheme, the bottom beam is further provided with a coil pipe disc, the coil pipe disc is wound with a pipeline, one end of the pipeline is connected with the water storage tank, the other end of the pipeline is connected with the water source supply side, the bottom beam is further provided with a coil wire barrel, and the coil wire barrel is wound with a cable, one end of the cable is connected with the control box, and the other end of the cable is connected with the power supply side.

In the above scheme, the automatic control device further comprises a control box, and the control box is respectively connected with the traveling mechanism, the steering mechanism, the spraying mechanism, the fixed column and the rotating mechanism and used for controlling opening or closing at fixed time.

Compared with the prior art, the automatic walking and timing maintenance device for the second lining concrete of the tunnel has the advantages that the design structure is reasonable, the performance is stable, the safety performance is high, the linear or curve walking can be realized without a track, the time is set, the second lining concrete is maintained at a fixed point (a certain distance) at a fixed time, the walking is stable, the maintenance is uniform, the concrete at the vault of the tunnel can be maintained, the speed can be adjusted at any time, the noise is low, the energy is saved, the environment is protected, the stability is high, the working efficiency is greatly improved, and the automatic walking and timing maintenance device for the second lining concrete.

Drawings

FIG. 1 is a front view of a self-propelled tunnel concrete-lined timing maintenance trolley according to an embodiment of the present invention;

FIG. 2 is a left side view of a self-propelled tunnel two-lined concrete time curing trolley according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a stabilizing mechanism in a self-propelled tunnel two-lining concrete timed maintenance trolley according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the invention provides a tunnel self-propelled two-lining concrete timed maintenance trolley, which comprises a bottom beam 1, traveling mechanisms 2, steering mechanisms 3, spraying mechanisms 4, fixed columns 5 and rotating mechanisms 6, wherein the traveling mechanisms 2 are respectively arranged on two sides of the bottom beam 1 and used for driving the bottom beam 1 to move along a tunnel, the steering mechanisms 3 are positioned on two sides of the upper part of the bottom beam 1 and connected with the traveling mechanisms 2 and used for changing the advancing direction of the traveling mechanisms 2, the fixed columns 5 are arranged at the central position of the bottom beam 1, the spraying mechanisms 4 are respectively arranged on the upper side and the lower side of the fixed columns 5 and used for maintaining two-lining concrete in the tunnel, and the rotating mechanisms 6 are arranged on the fixed columns 5 and connected with one part of the spraying mechanisms 4 and used for driving the spraying mechanisms 4 to rotate and switch directions, as shown in figures 1 and 2.

The whole device is driven to move along the tunnel through the travelling mechanism 2, the direction is adjusted through the steering mechanism 3 in the moving process, meanwhile, the spraying mechanism 4 is used for curing the two-lining concrete in the tunnel, and the direction of the spraying mechanism 4 is switched through the rotating mechanism 6, so that the spraying mechanism 4 can cure the two-lining concrete on the two sides in the tunnel.

Further, the device also comprises a stabilizing mechanism 7, wherein the stabilizing mechanism 7 is connected with the steering mechanism 3, so that the whole device can walk on the bumpy road surface in the tunnel smoothly

The traveling mechanism 2 comprises a wheel box 21, a pair of guide wheels 22, a guide rail 23 and a driving assembly 24, wherein the pair of guide wheels 22 are arranged in the wheel box 21, the guide rail 23 is arranged along the tunnel, the pair of guide wheels 22 are arranged on the guide rail 23 in a sliding mode, and the driving assembly 24 is arranged on one side of the outer portion of the wheel box 21 and connected with the guide wheels 22 for driving the guide wheels 22 to rotate forwards or backwards.

The driving assembly 24 includes a driving motor 241, a driving sprocket 242, a sprocket 243, and a chain 244, the driving sprocket 242 is disposed at an output end of the driving motor 241, the side surfaces of the pair of guide wheels 22 are connected to the sprocket 243 through a shaft, and the driving sprocket 242 and the sprocket 243 are connected through the chain 244.

The steering mechanism 3 comprises a steering motor 31, a first gear 32, a steering gear 33, a first rotating shaft 34 and a sensor 35, wherein the steering motor 31 is arranged on the bottom beam 1, the output end of the steering motor is connected with the first gear 32, the upper end of the first rotating shaft 34 is provided with the steering gear 33, the lower end of the first rotating shaft is connected with the wheel box 21 of the travelling mechanism 2, the first gear 32 is meshed with the steering gear 33, the sensor 35 is respectively arranged on the front side and the rear side of the wheel box 21 of the travelling mechanism 2, and the sensor 35 is connected with the steering motor 31.

Because the tunnel may have a curved part, the traveling mechanism 2 can be stably steered through the steering mechanism 3, and the stability of the spraying mechanism 4 in the maintenance process is ensured.

When the device is in the normal operation, the distance between the pair of guide wheels 22 and the guide rail 23 is equal, the sensor 34 detects the distance between the pair of guide wheels 22 and the guide rail 23 in real time, when the distance between any one side of the device becomes smaller or larger, the device does not operate in the normal operation, and the steering motor 31 adjusts the direction to enable the device to operate in the normal operation.

The spraying mechanism 4 comprises a water storage tank 41, a booster water pump 42, a water supply hose 43, a circumferential water pipe 44 and a spray head 45, wherein the water storage tank 41 is arranged on the bottom beam 1 and positioned at the lower side of the fixed column 5, the water storage tank 41 is connected with the booster water pump 42 through a pipeline, an electromagnetic valve 46 is arranged between the water storage tank and the booster water pump, the booster water pump 42 is connected with the circumferential water pipe 44 through the water supply hose 43, the circumferential water pipe 44 is arranged at the upper side of the fixed column 5 through a rotating mechanism 6, and the spray head 45 is arranged on one side, facing the two lining concretes in the tunnel, of the circumferential water pipe 44 at.

The water supply hose 43 is also provided with a rotary valve 431.

After the electromagnetic valve 46 and the booster water pump 42 are turned on, water or other fluid medium in the water storage tank 41 is supplied to the annular water pipe 44 through the water supply hose 43, and the water or other fluid medium in the annular water pipe 44 is sprayed to the second lining concrete in the tunnel through the spray head 45.

The rotating mechanism 6 comprises a driving speed reducer 61, a second gear 62, a rotating gear 63 and a second rotating shaft 64, the driving speed reducer 61 is arranged on one side of the upper portion of the fixed column 5, the lower end of the second rotating shaft 64 is movably connected with the top of the fixed column 5, the rotating gear 63 is sleeved on the lower end of the second rotating shaft 64 and meshed with the second gear 62, and the upper end of the second rotating shaft 64 is connected with the annular water pipe 44 of the spraying mechanism 4 to drive the spraying mechanism to rotate and switch directions.

When the annular water pipe 44 faces the left side of the tunnel and spraying is completed, the rotating mechanism 6 drives the annular water pipe 44 to rotate 180 degrees, namely, the annular water pipe 44 faces the right side of the tunnel, and at the moment, the two-lining concrete on the right side in the tunnel is sprayed.

When the spraying is not carried out, the rotating mechanism 6 drives the annular water pipe 44 to rotate for 90 degrees, namely the annular water pipe 44 rotates to the front side of the bottom beam 1, so that other traveling cranes and ventilation in the tunnel are not influenced.

As shown in fig. 3, the stabilizing mechanism 7 includes a spring fixing block 71, a spring 72, and a centering lever 73, the centering lever 73 is connected to the first rotating shaft 34, two sides of the centering lever 73 are respectively connected to the spring fixing block 71 through the spring 72, and the two spring fixing blocks 71 are disposed on the bottom beam 1.

Still be provided with the coil pipe dish 11 on the floorbar 1, coil pipe dish 11 is last to establish one end and be connected with storage water tank 4 and the pipeline that the other end and water source supply side are connected, like this, can prolong the water supply distance to storage water tank 4, makes its extension maintenance time and distance.

Further, the device also comprises a control box, wherein the control box is respectively connected with the traveling mechanism 2, the steering mechanism 3, the spraying mechanism 4, the fixed column 5 and the rotating mechanism 6 and is used for controlling opening or closing at fixed time.

The bottom beam 1 is further provided with a wire coiling cylinder 12, and a cable with one end connected with the control box and the other end connected with the power supply side is wound on the wire coiling cylinder 12, so that the maintenance distance of the device can be prolonged.

The working process of the invention is as follows:

under the control of the control box, the driving motor 241 is started to rotate positively to drive the pair of guide wheels 22 to move towards the inside of the tunnel along the guide rails 23, and in the moving process, if a curve part exists, when the distance between any one side becomes smaller or larger, the steering motor 31 drives the wheel box 21 to rotate clockwise or anticlockwise for a certain extent, so that the front and rear pair of guide wheels 22 can smoothly pass.

In the moving process, after the electromagnetic valve 46 and the booster water pump 42 are opened under the control of the control box, water or other fluid media in the water storage tank 41 is supplied to the annular water pipe 44 through the water supply hose 43, and the water or other fluid media in the annular water pipe 44 is sprayed to the second-lining concrete on the left side in the tunnel through the spray head 45.

After the vehicle travels to the end of the tunnel, under the control of the control box, the driving motor 241 is turned on to rotate reversely to drive the pair of guide wheels 22 to move towards the outside of the tunnel along the guide rails 23, and during the movement, if there is a curve part, the steering motor 31 drives the wheel box 21 to rotate clockwise or counterclockwise by a certain extent, so that the front and rear pair of guide wheels 22 can smoothly transit.

In the moving process, under the control of the control box, the driving speed reducer 61 is started to drive the annular water pipe 44 to rotate 180 degrees, namely the annular water pipe 44 faces the right side of the tunnel.

After the electromagnetic valve 46 and the booster water pump 42 are opened, water or other fluid media in the water storage tank 41 are supplied to the annular water pipe 44 through the water supply hose 43, and the water or other fluid media in the annular water pipe 44 are sprayed to the second lining concrete on the right side in the tunnel through the spray head 45.

Therefore, the running mechanism 2 drives the whole device to run along the tunnel in a reciprocating process, so that the maintenance of the two-lining concrete on two sides in the tunnel is finished, and the working efficiency is greatly improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.