CN218934438U

CN218934438U - Track-free walking and turning tunnel maintenance trolley

Info

Publication number: CN218934438U
Application number: CN202223016454.7U
Authority: CN
Inventors: 陆秀粉; 肖玮; 谢朝春; 李冰; 黄秋江
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-04-28
Anticipated expiration: 2033-03-01

Abstract

The application belongs to the technical field of tunnel maintenance trolleys and relates to a trolley for track-free walking and turning tunnel maintenance, which comprises a frame, a spraying system arranged at the top of the frame and a walking system arranged at the bottom of the frame, wherein the walking system comprises a driving wheel arranged at the bottom of the frame, a driving piece for driving the driving wheel to rotate, a steering wheel and an electric push rod for controlling the direction of the steering wheel; the steering wheel is arranged at one end of the bottom of the frame and comprises a wheel body, the steering wheel is rotationally connected with the bottom of the frame, so that the direction of the wheel body can be changed, the steering wheel is connected with an electric push rod for controlling the direction of the wheel body of the steering wheel, and the electric push rod is arranged at the bottom end of the frame; one end of the bottom of the frame is provided with a driving wheel which is rotationally connected with the bottom of the frame and used for being matched with the change of the direction of the steering wheel, and the driving wheel is connected with a driving piece for driving the driving wheel to rotate. The utility model provides a trolley is maintained to trackless formula walking and turn tunnel need not to lay the track in addition when using.

Description

Track-free walking and turning tunnel maintenance trolley

Technical Field

The application relates to the technical field of tunnel maintenance trolleys, in particular to a trolley for track-free walking and turning tunnel maintenance.

Background

In the construction of the tunnel, after the tunnel is excavated, the tunnel is deformed or collapses due to the fact that the original balance of stratum around the tunnel is destroyed. Tunnel lining is therefore an important element in the construction of tunnels. The tunnel lining is a permanent supporting structure built along the periphery of the tunnel body by reinforced concrete and other materials, and the tunnel lining needs to be maintained in the later stage. The tunnel maintenance trolley is a fixture device for concrete maintenance of tunnel lining and is used for improving the strength and quality of the tunnel lining.

The tunnel maintenance trolley comprises a frame, a spraying system and a plurality of travelling wheels arranged at the bottom of the frame, and a track for limiting a travelling route of the travelling wheels is paved in the tunnel. The tunnel maintenance trolley is attached to the travelling wheels and matched with the rails to realize the forward movement and steering of the trolley in the rails, so that the front-stage rail laying work and the rear-stage rail dismantling work are required to be carried out in the construction process of the tunnel, and the labor degree of workers is increased.

Disclosure of Invention

In order to realize that the tunnel maintenance trolley does not need to additionally lay a track when in use, thereby reducing the labor intensity of workers, the application provides a trackless walking and turning tunnel maintenance trolley.

The application provides a trolley for maintaining a trackless walking and turning tunnel, which adopts the following technical scheme:

the trolley comprises a frame, a spraying system arranged at the top of the frame and a traveling system arranged at the bottom end of the frame, wherein the traveling system comprises a driving wheel arranged at the bottom of the frame, a driving piece for driving the driving wheel to rotate, a steering wheel and an electric push rod for controlling the direction of the steering wheel; the steering wheel is arranged at one end of the bottom of the frame and comprises a wheel body, the steering wheel is rotationally connected with the bottom of the frame, so that the direction of the wheel body can be changed, the steering wheel is connected with an electric push rod for controlling the direction of the wheel body of the steering wheel, and the electric push rod is arranged at the bottom end of the frame; one end of the bottom of the frame is provided with a driving wheel which is rotationally connected with the bottom of the frame and used for being matched with the change of the direction of the steering wheel, and the driving wheel is connected with a driving piece for driving the driving wheel to rotate.

By adopting the technical scheme, the driving wheel and the steering wheel are directly connected with the ground, and the driving wheel is driven by the driving piece to rotate so as to drive the whole tunnel maintenance trolley to move, so that the trackless walking of the tunnel maintenance trolley is realized. The electric push rod drives the steering wheel to rotate, and the walking track of the tunnel maintenance trolley is adjusted, so that the trackless turning of the tunnel maintenance trolley is realized. Compared with a traditional walking wheel and track matched walking system, the driving wheel and the steering wheel are directly grounded, the track on which the tunnel maintenance trolley walks is not required to be additionally paved, and the labor intensity of workers in the tunnel construction process is reduced. In addition, the situation that the travelling wheels are separated from the track and are required to be maintained frequently is reduced, and the labor intensity of workers is further reduced.

Optionally, the driving wheel and the steering wheel are both rubber solid steel wheels.

By adopting the technical scheme, the rubber solid steel wheel has good wear resistance, large ground contact area and strong ground grabbing capability.

Optionally, the driving member is an asynchronous motor, and the asynchronous motor is mounted on the bottom surface of the frame.

By adopting the technical scheme, the asynchronous motor has the advantages of simple structure, reliable operation, firmness, durability and convenient maintenance.

Optionally, the rack comprises a first detection platform, a second detection platform and a third platform positioned at the top of the rack, the bottom end of the rack is provided with a first crawling ladder leading to the first detection platform, and the top end of the first crawling ladder is connected with the first detection platform; a second crawling ladder is arranged between the first detection platform and the second detection platform, the bottom end of the second crawling ladder is connected with the first platform, and the top end of the second crawling ladder is connected with the second crawling ladder; a third crawling ladder is arranged between the second detection platform and the third platform, the bottom end of the third crawling ladder is connected with the second detection platform, and the top end of the third crawling ladder is connected with the third platform.

Through adopting above-mentioned technical scheme, first testing platform, second testing platform and third platform are in different high departments, and the setting of first testing platform, second testing platform makes things convenient for the staff to carry out relevant operation to the tunnel lining. Staff accessible first cat ladder enters into first testing platform, can enter into second testing platform through the second cat ladder on first testing platform, can enter into the third platform through the third cat ladder at the second testing platform. The practicability of the trolley for maintaining the track-free walking and turning tunnel is improved.

Optionally, the first ladder, the second ladder and the third ladder are all provided with handrails.

Through adopting above-mentioned technical scheme, the security when first cat ladder, second cat ladder and third cat ladder use has been improved in the setting of the handrail.

Optionally, the spraying system comprises a spraying main pipe arranged at the top of the frame, a plurality of spray heads are arranged on the spraying main pipe, a water tap is arranged at the tail end of the spraying main pipe, and the water tap is connected with the rubber hose.

The ventilation zone of tunnel construction hangs in the arch line department of side wall in large part, influences and sprays the person in charge and extends to arrange, causes the position maintenance below the wind zone not in place, through adopting above-mentioned technical scheme, sprays the end of person in charge and is provided with tap, can connect hose and shower nozzle according to the setting of scene wind zone to the wind zone extends to the side wall below the wind zone, guarantees the maintenance quality of tunnel lining. The situation that the tunnel lining maintenance part of the side wall below the wind band is in place due to the obstruction of the wind band is reduced, and the practicability of the track-free walking and turning tunnel maintenance trolley is improved.

Optionally, the spray head is an atomizer spray head.

Through adopting above-mentioned technical scheme, adopt the atomizer, can be even maintain tunnel lining to can not destroy the concrete surface.

Optionally, the rack comprises a portal, the portal comprises a plurality of upright posts, a truss is arranged between the upright posts, a fourth platform is arranged on the truss, the fourth platform is positioned below the third platform, a fourth ladder stand is arranged between the fourth platform and the third platform, the bottom of the fourth ladder stand is connected with the fourth platform, and the top of the fourth ladder stand is connected with the third platform; the fourth platform is provided with a water tank, and the spraying main pipe comprises a water pumping pipe which is connected with the water tank.

Through adopting above-mentioned technical scheme, the fourth platform sets up in the top of frame, and the water tank is installed in the top of frame, has improved the utilization ratio of no track formula walking and turning tunnel maintenance platform truck headspace.

In summary, the present application includes the following beneficial technical effects:

1. the driving wheel and the steering wheel are in direct contact with the ground to replace the combination of the travelling wheel and the track, and simultaneously, the functions of autonomous movement and steering of the tunnel maintenance trolley are realized by matching with the asynchronous motor and the electric push rod. The track for the tunnel maintenance trolley to walk is not required to be paved additionally, so that the labor intensity of workers in the tunnel construction process is reduced.

2. The first testing platform, the second testing platform, the third platform and the first cat ladder, the second cat ladder, the setting of third cat ladder for no track formula walking and turn tunnel maintenance platform truck except the maintenance to the tunnel lining, still can make things convenient for the staff to detect the tunnel lining, realizes a platform truck multiple functions.

3. The water tap is arranged at the tail end of the spraying main pipe, the hose and the spray head are connected according to the arrangement requirement of the on-site wind band, the wind band can be bypassed, and the side wall at the height below the wind band is extended, so that the maintenance quality of the tunnel lining is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a track-free traveling and turning tunnel maintenance trolley according to an embodiment of the present application.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

Fig. 4 is an elevation view of a trackless travel and turn tunnel maintenance truck within a tunnel.

Fig. 5 is a left side view of fig. 1.

Fig. 6 is an enlarged schematic view at C in fig. 1.

Reference numerals illustrate:

1. a frame; 11. a first portal; 111. a column; 12. a second portal; 13. truss; 14. a first stringer; 15. a second stringer; 16. a third stringer; 2. a walking system; 21. a driving wheel; 211. an asynchronous motor; 2111. rotating the gear; 212. a rotating shaft; 213. a connecting gear; 214. a chain; 22. a steering wheel; 221. an electric push rod; 3. a spraying main pipe; 31. a spray head; 32. a water tap; 33. a connecting rod; 34. a water tank; 4. a first detection platform; 41. a first ladder; 42. an armrest; 5. a second detection platform; 51. a second ladder; 6. a third platform; 61. a third ladder stand; 7. a fourth platform; 71. a fourth ladder stand; 8. lining a tunnel; 81. a wind belt.

Detailed Description

The present application is described in further detail below.

The embodiment of the application discloses trolley is walked and tunnel maintenance platform truck is turned to no rail formula, refer to fig. 1, including frame 1, the top of frame 1 is provided with spray set, and the bottom of frame 1 is provided with traveling system 2.

Example 1

The frame 1 comprises a first door frame 11 and a second door frame 12, and the first door frame 11 and the second door frame 12 are symmetrically arranged in the same structure. The first portal frame 11 comprises a vertical column 111, the vertical column 111 is in a vertically arranged long rod shape, and the top of the vertical column 111 is connected with a truss 13. A first longitudinal beam 14 is arranged between the upright 111 of the first portal 11 and the upright 111 of the second portal 12, one end of the first longitudinal beam 14 is connected with the bottom end of the upright 111 of the first portal 11, and the other end of the first longitudinal beam 14 is connected with the bottom end of the upright 111 of the second portal 12.

Referring to fig. 2, a driving wheel 21 is provided at the bottom end of the upright 111 of the first mast 11, and the driving wheel 21 is connected with an asynchronous motor 211 for driving the driving wheel 21 to rotate, and the asynchronous motor 211 is mounted at the bottom of the first longitudinal beam 14. The driving wheel 21 includes a rotation shaft 212 disposed at the center of the driving wheel 21, a connection gear 213 is sleeved on one side of the rotation shaft 212 away from the driving wheel 21, and the connection gear 213 is fixedly connected with the rotation rod. The output shaft of the motor is sleeved with a rotating gear 2111, and the rotating gear 2111 is connected with a connecting gear 213 through a chain 214. Referring to fig. 3, the bottom end of the second portal 12 is connected with a steering wheel 22, the steering wheel 22 is connected with an electric push rod, a movable part of the electric push rod is connected with the steering wheel 22, and the electric push rod controls the rotation of the steering wheel 22 through the expansion and contraction of a piston part, so as to control the moving and walking direction of the tunnel maintenance trolley.

The implementation principle of the trackless walking and turning tunnel maintenance trolley of the embodiment 1 of the application is as follows: directly connected with the driving wheel 21 and the steering wheel 22, the asynchronous motor 211 drives the driving wheel 21 to rotate so as to drive the whole tunnel maintenance trolley to move. When the asynchronous motor 211 operates, the rotating gear 2111 is driven to rotate, and the rotating gear 2111 drives the rotating gear 2111 to rotate through the chain 214, so that the driving wheel 21 rotates. Thereby realizing the trackless walking of the tunnel maintenance trolley. The power push rod 221 drives the steering wheel 22 to rotate, and adjusts the walking track of the tunnel maintenance trolley, so that the trackless turning of the tunnel maintenance trolley is realized.

Example 2

Referring to fig. 4, a first detection platform 4, a second detection platform 5 arranged above the first detection platform 4, and a third platform 6 arranged at the top of the frame 1 are arranged on the frame body. Referring to fig. 5, the first detecting platform 4 is disposed in the middle of the upright 111, and a second longitudinal beam 15 is disposed at a connection position between the first detecting platform 4 and the upright 111. The support is provided with a first ladder 41 leading to the first detection platform 4, the bottom of the first ladder 41 is connected with the bottom of the support of the second door frame 12, and the top of the first ladder 41 is connected with the first detection platform 4. A third longitudinal beam 16 is arranged at the joint of the second detection platform 5 and the support, and the third longitudinal beam is connected with the top of the vertical rod. A second ladder stand 51 is arranged between the first detection platform 4 and the second detection platform 5, one side, away from the first ladder stand 41, of the first detection platform 4 is connected with the bottom of the second ladder stand 51, and the top of the second ladder stand 51 is connected with the second detection platform 5. A third crawling ladder 61 is arranged between the second detection platform 5 and the third platform 6, one side, far away from the second crawling ladder 51, of the second detection platform 5 is connected with the bottom of the third crawling ladder 61, and the top of the third crawling ladder 61 is connected with the third platform 6.

Referring back to fig. 4, a fourth platform 7 is disposed between the truss 13 of the first portal frame 11 and the truss 13 of the second portal frame 12, the fourth platform 7 is located below the third platform 6, a fourth ladder stand 71 is disposed between the fourth platform 7 and the third platform 6, and a water tank 34 is disposed on the fourth platform 7.

And a spraying main pipe 3 is arranged above the third platform 6, and the spraying main pipe 3 is an elbow pipe matched with the inner wall of the tunnel. The spray main pipe 3 is provided with a plurality of spray heads 31, the spray heads 31 are atomizing spray heads 31, the tail end of the spray main pipe 3 is connected with a water tap 32, and the water tap 32 is connected with a hose and the spray heads 31, and reference is made to fig. 6.

The implementation principle of the trackless traveling and turning tunnel maintenance trolley of the embodiment 2 of the application is as follows: the first detection platform 4, the second detection platform 5 and the third platform 6 are positioned at different heights, and the arrangement of the first detection platform 4 and the second detection platform 5 facilitates relevant operation of the tunnel lining 8 by workers. The worker can enter the first detection platform 4 through the first ladder 41, can enter the second detection platform 5 through the second ladder 51 on the first detection platform 4, and can enter the third platform 6 through the third ladder 61 on the second detection platform 5. The practicability of the trolley for maintaining the track-free walking and turning tunnel is improved. The water tank 34 is arranged on the fourth platform 7, and the fourth platform 7 is positioned at the top of the frame 1, so that the utilization rate of the top space of the track-free walking and turning tunnel maintenance trolley is improved.

According to the setting needs of scene windband 81, tap 32 can connect hose and shower nozzle 31 to the windband 81 is walked around, extends to the side wall of the height below windband 81, sprays tunnel lining 8 thereby guarantees the maintenance quality of tunnel lining 8. And a plurality of support rods are arranged on the third platform 6 and the third crawling ladder 61, and the tops of the support rods are connected with the spraying main pipe 3 to maintain the stability of the spraying main pipe 3.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a trolley is maintained in trackless walking and turn tunnel, includes frame (1), installs in spraying system at frame (1) top and installs in traveling system (2) of frame (1) bottom, its characterized in that: the walking system (2) comprises a driving wheel (21) arranged at the bottom of the frame (1), a driving piece for driving the driving wheel (21) to rotate, a steering wheel (22) and an electric push rod (221) for controlling the direction of the steering wheel (22); one end of the bottom of the frame (1) is provided with a steering wheel (22), the steering wheel (22) comprises a wheel body, the steering wheel (22) is rotationally connected with the bottom of the frame (1) so that the direction of the wheel body can be changed, the steering wheel (22) is connected with an electric power push rod (221) for controlling the direction of the wheel body of the steering wheel (22), and the electric power push rod (221) is arranged at the bottom end of the frame (1); one end of the bottom of the frame (1) is provided with a driving wheel (21), the driving wheel (21) is rotationally connected with the bottom of the frame (1) and is used for being matched with the change of the direction of the steering wheel (22), and the driving wheel (21) is connected with a driving piece for driving the driving wheel (21) to rotate.

2. The trackless travel and turn tunnel maintenance trolley of claim 1, wherein: the driving wheel (21) and the steering wheel (22) are all rubber solid steel wheels.

3. The trackless travel and turn tunnel maintenance trolley of claim 1, wherein: the driving piece is an asynchronous motor (211), and the asynchronous motor (211) is arranged on the bottom surface of the frame (1).

4. The trackless travel and turn tunnel maintenance trolley of claim 1, wherein: the frame (1) comprises a first detection platform (4), a second detection platform (5) and a third platform (6) positioned at the top of the frame (1), a first ladder stand (41) leading to the first detection platform (4) is arranged at the bottom end of the frame (1), and the top end of the first ladder stand (41) is connected with the first detection platform (4); a second crawling ladder (51) is arranged between the first detection platform (4) and the second detection platform (5), the bottom end of the second crawling ladder (51) is connected with the first detection platform, and the top end of the second crawling ladder (51) is connected with the second crawling ladder (51); a third crawling ladder (61) is arranged between the second detection platform (5) and the third platform (6), the bottom end of the third crawling ladder (61) is connected with the second detection platform (5), and the top end of the third crawling ladder (61) is connected with the third platform (6).

5. The trackless travel and turn tunnel maintenance trolley of claim 4, wherein: armrests (42) are arranged on the first crawling ladder (41), the second crawling ladder (51) and the third crawling ladder (61).

6. The trackless travel and turn tunnel maintenance trolley of claim 1, wherein: the spraying system comprises a spraying main pipe (3) arranged at the top of the frame (1), a plurality of spray heads (31) are arranged on the spraying main pipe (3), a water tap (32) is arranged at the tail end of the spraying main pipe (3), and the water tap (32) is connected with a rubber hose.

7. The trackless travel and turn tunnel maintenance trolley of claim 6, wherein: the spray head (31) is an atomization spray head (31).

8. A trackless travel and turn tunnel maintenance trolley according to any one of claims 4 or 6, wherein: the frame (1) comprises a portal frame, the portal frame comprises a plurality of upright posts (111), a truss (13) is arranged between the upright posts (111), a fourth platform (7) is arranged on the truss (13), the fourth platform (7) is positioned below the third platform (6), a fourth ladder stand (71) is arranged between the fourth platform (7) and the third platform (6), the bottom of the fourth ladder stand (71) is connected with the fourth platform (7), and the top of the fourth ladder stand (71) is connected with the third platform (6); the fourth platform (7) is provided with a water tank (34), and the spraying main pipe (3) comprises a water pumping pipe which is connected with the water tank (34).