CN220281103U - Steering traction device of tunnel lining maintenance trolley - Google Patents
Steering traction device of tunnel lining maintenance trolley Download PDFInfo
- Publication number
- CN220281103U CN220281103U CN202321256466.9U CN202321256466U CN220281103U CN 220281103 U CN220281103 U CN 220281103U CN 202321256466 U CN202321256466 U CN 202321256466U CN 220281103 U CN220281103 U CN 220281103U
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- wheel mounting
- steering
- speed reducer
- mounting bracket
- tunnel lining
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- 238000012423 maintenance Methods 0.000 title claims abstract description 29
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a steering traction device of a tunnel lining maintenance trolley, which comprises a running mechanism and a steering mechanism, wherein the running mechanism is symmetrically arranged on the front side of the bottom of the tunnel lining maintenance trolley, the steering mechanism is symmetrically arranged on the rear side of the bottom of the tunnel lining maintenance trolley, the running mechanism comprises a running driving speed reducer motor, a running wheel mounting frame and running wheels arranged on the running wheel mounting frame, the steering mechanism comprises a steering driving speed reducer motor, a running wheel mounting frame and the running wheels arranged on the running wheel mounting frame, the front side of the running wheel mounting frame and the rear side of the running wheel mounting frame are respectively provided with an obstacle avoidance warning component for warning on-site workers when the trolley encounters an obstacle, the output end of the running driving speed reducer motor is provided with a small sprocket, and one end of a central shaft of the running wheel extending out of the running wheel mounting frame is provided with a large sprocket.
Description
Technical Field
The utility model belongs to the technical field of tunnel lining maintenance platforms, and particularly relates to a steering traction device of a tunnel lining maintenance platform truck.
Background
In the existing construction projects of large highways, high-speed railways and the like, the tunnel construction ratio is large, the period is long, and the construction period is short. However, the tunnel secondary lining maintenance work is limited by technical conditions and the like, no mature and widely applied automatic maintenance products are available, the traditional tunnel lining maintenance rack is mainly processed by steel sections, the weight of the rack is large, the rack is required to be driven to move forward by a loader, the loader is large in size, and the loader is inconvenient to use due to the occupied space of main equipment in a hole. The traveling directions of four wheels are consistent when the traveling device of the traditional tunnel lining maintenance rack is driven by a loader to move, the wheels on the left side and the right side are at the same speed, the traveling direction of a trolley is limited, the obstacle cannot be flexibly avoided, and the automatic turning obstacle avoidance cannot be flexibly realized.
Disclosure of Invention
The utility model aims to provide a steering traction device of a tunnel lining maintenance trolley, which is used for automatically steering, traction and driving and flexibly avoiding obstacles, and solves the problems that the travelling direction of the trolley is limited and the obstacle avoidance cannot be realized due to the fact that the existing tunnel lining maintenance trolley is driven to move forwards by a loader.
The technical scheme adopted by the utility model is as follows: the utility model provides a steering traction device of tunnel lining maintenance platform truck, is located the running gear of tunnel lining maintenance platform truck bottom front side and the steering mechanism of bilateral symmetry in tunnel lining maintenance platform truck bottom rear side including bilateral symmetry, running gear includes walking drive speed reducer motor, walking wheel mounting bracket, installs the walking wheel on the walking wheel mounting bracket, steering mechanism is including turning to drive speed reducer motor, steering wheel mounting bracket and installing the steering wheel on the steering wheel mounting bracket, walking wheel mounting bracket front side, steering wheel mounting bracket rear side all are equipped with the obstacle avoidance warning subassembly that is used for warning on-the-spot staff when the platform truck meets the obstacle, the output of walking drive speed reducer motor is equipped with little sprocket, the one end that the walking wheel center pin stretched out the walking wheel mounting bracket is equipped with big sprocket, big sprocket and little sprocket homonymy and be equipped with the chain to realize chain drive.
As the optimization of above-mentioned scheme, the top and the main part frame of steering wheel mounting bracket pass through bearing assembly and are connected, bearing assembly includes the slewing bearing outer lane that interfaces with the main part frame and the slewing bearing inner circle that interfaces with the top of steering wheel mounting bracket, steering drive speed reducer motor installs on slewing bearing outer lane, and the output passes slewing bearing outer lane and slewing bearing inner circle butt joint to can drive steering wheel mounting bracket rotation through promoting slewing bearing inner circle, design benefit realizes the steering function of steering wheel with the help of drive speed reducer motor, and the structure is firm.
It is further preferable that one the encoder equipment for recording the data of traveling is installed on the walking wheel mounting bracket, and corresponds walking drive speed reducer motor and adopts two play axle speed reducer motors, and the output that little sprocket was kept away from to two play axle speed reducer motors communicates with encoder equipment to direct recording rotational speed, install crashproof travel switch on another walking wheel mounting bracket, real-time recording autopilot journey and meet the barrier stop and travel, crashproof travel switch adopts photoelectric travel switch, and whether real-time detection the place ahead has the barrier to prevent rack striking barrier, functional design is reasonable.
Still preferably, the obstacle avoidance warning assembly comprises a warning mounting column mounted on the travelling wheel mounting frame and/or the steering wheel mounting frame, a radar ranging sensor positioned on the warning mounting column and a warning lamp, and can warn on-site personnel to avoid personnel safety accidents by lighting the red lamp when the barrier blocking bench runs in the travelling direction.
The utility model has the beneficial effects that:
(1) Compared with the running directions of four wheels of the running gear of the existing tunnel lining maintenance trolley are consistent, the running mechanism provides running driving force and torque, the steering mechanism provides lateral deflection torque steering force, the functions are divided into working details, and the structural design is reasonable.
(2) The running mechanism is left and right symmetrically located at the front side of the bottom of the tunnel lining maintenance trolley to generate driving force and torque for trolley running, the steering mechanism is left and right symmetrically located at the rear side of the bottom of the tunnel lining maintenance trolley to generate cornering torque, the steering function is realized, the steering mechanism does not need to turn around, only the running direction is required to be controlled, the turning or reversing operation is more sensitive and convenient, and the operation is flexible.
In conclusion, the multifunctional intelligent control device has the advantages of being detailed in function division, reasonable in structural design, flexible in operation and the like.
Drawings
Fig. 1 is a schematic view of a traveling mechanism with an anti-collision travel switch.
Fig. 2 is a schematic view of the running gear structure with the encoder apparatus mounted.
Fig. 3 is a schematic structural view of the steering mechanism.
Fig. 4 is a schematic structural view of the obstacle avoidance warning assembly mounted on the traveling wheel mounting frame.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 4, a steering traction device of a tunnel lining maintenance trolley is composed of a travelling mechanism a which is positioned at the front side of the bottom of the tunnel lining maintenance trolley in bilateral symmetry and a steering mechanism b which is positioned at the rear side of the bottom of the tunnel lining maintenance trolley in bilateral symmetry.
The travelling mechanism a consists of a travelling drive speed reducer motor 11, a travelling wheel mounting frame 12 and travelling wheels 13 arranged on the travelling wheel mounting frame 12.
The output end of the walking drive speed reducer motor 11 is provided with a small sprocket 111.
One end of the central shaft of the travelling wheel 13 extending out of the travelling wheel mounting frame 12 is provided with a large chain wheel 131.
An encoder device 17 for recording running data is mounted on one travelling wheel mounting frame 12, and a double-output-shaft speed reducer motor is adopted corresponding to the travelling drive speed reducer motor 11 and is communicated with the encoder device 17 at the output end far away from the small chain wheel 111.
The other road wheel mounting frame 12 is provided with an anti-collision travel switch 18, and the anti-collision travel switch 18 is preferably a photoelectric travel switch.
The large sprocket 131 is on the same side as the small sprocket 111 and is equipped with a chain, thereby realizing chain transmission.
The steering mechanism b is composed of a steering drive speed reducer motor 14, a steering wheel mounting frame 15, and steering wheels 16 mounted on the steering wheel mounting frame 15.
The top of the steering wheel mount 15 is connected to the main body frame 21 by a bearing assembly.
The bearing assembly consists of a slewing bearing outer ring 151 that interfaces with the main body frame 21 and a slewing bearing inner ring 152 that interfaces with the top of the steering wheel mount 15.
The steering drive speed reducer motor 14 is mounted on the slewing bearing outer ring 151, and the output end passes through the slewing bearing outer ring 151 and is in butt joint with the slewing bearing inner ring 152, so that the steering wheel mounting frame 15 can be driven to rotate by pushing the slewing bearing inner ring 152.
The front side of the travelling wheel mounting frame 12 and the rear side of the steering wheel mounting frame 15 are respectively provided with an obstacle avoidance warning component 19 for warning on-site staff when the trolley encounters an obstacle.
Obstacle avoidance warning assembly 19 is comprised of a warning mounting post 191 mounted on the running wheel mount 12 and/or steering wheel mount 15, a radar ranging sensor 192 located on the warning mounting post 191, and a warning light 193.
When the tunnel lining maintenance trolley moves forward or backward in the tunnel, the steering traction device is automatically controlled to start turning to avoid the obstacle.
The travel drive speed reducer motor 11 provides forward driving force, the steering drive speed reducer motor 14 provides lateral deviation force and moment, the steering wheel 16 changes the direction of force to cause the movement direction of the trolley to change, the steering adjustment is realized, the trolley is prevented from colliding with the wall surface of the tunnel, and the trolley returns to the correct travel range.
Claims (4)
1. The utility model provides a steering traction device of tunnel lining maintenance platform truck which characterized in that: including running gear (a) and bilateral symmetry that bilateral symmetry is located tunnel lining maintenance platform truck bottom front side are located steering mechanism (b) of tunnel lining maintenance platform truck bottom rear side, running gear (a) are including walking drive speed reducer motor (11), walking wheel mounting bracket (12), install walking wheel (13) on walking wheel mounting bracket (12), steering mechanism (b) are including turning to drive speed reducer motor (14), steering wheel mounting bracket (15) and installing steering wheel (16) on steering wheel mounting bracket (15), walking wheel mounting bracket (12) front side, steering wheel mounting bracket (15) rear side all are equipped with and are used for warning on-the-spot staff when the platform truck meets the obstacle and keep away barrier warning subassembly (19), the output of walking drive speed reducer motor (11) is equipped with little sprocket (111), the one end that walking wheel (13) center pin stretches out walking wheel mounting bracket (12) is equipped with big sprocket (131), big sprocket (131) and little sprocket (111) homonymy and are equipped with the chain to realize chain drive.
2. The steering traction device of the tunnel lining maintenance trolley according to claim 1, wherein: the top of steering wheel mounting bracket (15) is connected with main body frame (21) through bearing assembly, bearing assembly includes slewing bearing outer lane (151) with main body frame (21) butt joint and slewing bearing inner circle (152) with the top butt joint of steering wheel mounting bracket (15), steering drive speed reducer motor (14) are installed on slewing bearing outer lane (151), and the output passes slewing bearing outer lane (151) and slewing bearing inner circle (152) butt joint to can drive steering wheel mounting bracket (15) rotation through promoting slewing bearing inner circle (152).
3. The steering traction device of the tunnel lining maintenance trolley according to claim 1, wherein: one travelling wheel mounting frame (12) is provided with encoder equipment (17) for recording travelling data, a corresponding travelling drive speed reducer motor (11) adopts a double-output-shaft speed reducer motor, the output end of the double-output-shaft speed reducer motor, which is far away from a small chain wheel (111), is communicated with the encoder equipment (17), the other travelling wheel mounting frame (12) is provided with an anti-collision travel switch (18), and the anti-collision travel switch (18) adopts a photoelectric travel switch.
4. The steering traction device of the tunnel lining maintenance trolley according to claim 1, wherein: the obstacle avoidance warning assembly (19) comprises a warning mounting column (191) arranged on the travelling wheel mounting frame (12) and/or the steering wheel mounting frame (15), a radar ranging sensor (192) arranged on the warning mounting column (191) and a warning lamp (193).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256466.9U CN220281103U (en) | 2023-05-23 | 2023-05-23 | Steering traction device of tunnel lining maintenance trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256466.9U CN220281103U (en) | 2023-05-23 | 2023-05-23 | Steering traction device of tunnel lining maintenance trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220281103U true CN220281103U (en) | 2024-01-02 |
Family
ID=89338312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321256466.9U Active CN220281103U (en) | 2023-05-23 | 2023-05-23 | Steering traction device of tunnel lining maintenance trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220281103U (en) |
-
2023
- 2023-05-23 CN CN202321256466.9U patent/CN220281103U/en active Active
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