CN220032051U - Differential running gear that tunnel lining maintenance platform truck autopilot was used - Google Patents
Differential running gear that tunnel lining maintenance platform truck autopilot was used Download PDFInfo
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- CN220032051U CN220032051U CN202321256428.3U CN202321256428U CN220032051U CN 220032051 U CN220032051 U CN 220032051U CN 202321256428 U CN202321256428 U CN 202321256428U CN 220032051 U CN220032051 U CN 220032051U
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- tunnel lining
- speed reducer
- reducer
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- 238000012423 maintenance Methods 0.000 title claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
The utility model discloses a differential walking device for automatic driving of a tunnel lining maintenance trolley, which comprises bottom longitudinal beams symmetrically arranged at the left side and the right side of the bottom of the tunnel lining maintenance trolley, wheel assemblies positioned at the front end and the rear end of the bottom longitudinal beams and driving motor assemblies connected with the wheel assemblies, wherein the wheel assemblies comprise wheel mounting covers which are arranged on the bottom plate of the bottom longitudinal beams through bolts and wheels which are arranged in the wheel mounting covers, the driving motor assemblies comprise speed reducers which are arranged at the same side of the wheel mounting covers and have the same height, motor speed reducer mounting seats which are arranged at the bottom of the bottom longitudinal beams in the middle, and double-output-shaft motor speed reducers which are arranged on the motor speed reducer mounting seats, wherein the two output shaft ends of each of the double-output-shaft motor speed reducer are connected with the corresponding speed reducers through horizontal connecting rods, and motors of the double-output-shaft motor speed reducers provide driving force and moment which move along the tunnel lining maintenance trolley longitudinally.
Description
Technical Field
The utility model belongs to the technical field of tunnel lining maintenance, and particularly relates to a differential walking device for automatic driving of a tunnel lining maintenance trolley.
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 automatic maintenance products which are mature and widely applied do not exist in the tunnel lining maintenance work due to some limitations of technical conditions and the like, the existing tunnel spraying maintenance trolley is driven to move forward by a loader, the loader is large in size, the use of the loader is inconvenient because main equipment in a hole occupies space, the four wheels of the existing tunnel spraying maintenance trolley traveling device are driven by the loader to move in the same direction, the wheels on the left side and the right side are at the same speed, the traveling direction of the trolley is limited, and the obstacle avoidance cannot be flexibly performed.
Disclosure of Invention
The utility model aims to provide a differential traveling device for automatic driving of a tunnel lining maintenance trolley, which is used for realizing differential obstacle avoidance by a single trolley in a centralized manner and flexible obstacle avoidance, and solves the problem that the traveling direction of the trolley is limited and the obstacle avoidance cannot be realized due to the fact that the existing tunnel maintenance portal frame is driven to move forward by a loader.
The technical scheme adopted by the utility model is as follows: the utility model provides a differential running gear that tunnel lining maintenance platform truck autopilot was used, includes the side sill of symmetry installation in tunnel lining maintenance platform truck bottom left and right sides, is located the wheel subassembly at both ends around the side sill and connects the driving motor subassembly of wheel subassembly, the wheel subassembly includes that the bolt is installed at the wheel installation cover of side sill bottom plate and is installed the wheel in the wheel installation cover, driving motor subassembly is including installing the speed reducer that just highly uniform in wheel installation cover homonymy, installing the motor reducer mount pad in the bottom of the side sill and installing the two play axle motor reducer on the motor reducer mount pad placed in the middle, be connected through horizontal connecting rod between two play axle ends of two play axle motor reducer and the corresponding speed reducer, the motor of two play axle motor reducer provides driving force and moment along tunnel longitudinal movement for tunnel lining maintenance platform truck, the driving motor subassembly of left and right sides can realize the differential obstacle of keeping away of unilateral collection through the speed difference.
As the optimization of above-mentioned scheme, motor protection cover is installed to motor reducer mount pad correspondence double-output shaft motor reducer directly over, avoids dropping concrete sediment to pound the double-output shaft motor reducer top, leads to the impaired break down of part.
Further preferably, the horizontal connecting rod adopts a floating shaft, can float up and down and has flexible movement; the speed reducer adopts a wheel-side speed reducer, and the selection is reasonable; the horizontal connecting rod is connected with the corresponding end shaft of the double-output-shaft motor speed reducer through a coupler, so that stable connection is ensured.
Further preferably, the motor reducer mount pad horizontal plate, vertical board all are equipped with the mounting hole and are equipped with the bolt respectively with the longeron bottom plate, two play axle motor reducer bolted connection, simple to operate is swift, and the connection is firm, and is equipped with the triangle reinforcing plate between horizontal plate, the vertical board, structural design is reasonable, the triangle reinforcing plate is equipped with and subtracts heavy drag reduction hole, reduces resistance and weight of marcing.
Further preferably, the bottom longitudinal beam is a welded combined box beam, and the wheel mounting cover only has a lower opening for exposing the wheels, so that falling stones or dust can be effectively prevented from falling on the wheels to influence the travelling of the wheels.
The utility model has the beneficial effects that:
(1) Compared with the prior tunnel spraying maintenance trolley, the traveling of the tunnel spraying maintenance trolley is driven to advance by the aid of the loader, the traveling directions of four wheels of the traveling device are consistent, driving force and torque provided by motors of the double-output-shaft motor speed reducers are transmitted to the front wheel and the rear wheel through the horizontal connecting rod, and when the vehicle needs to turn to avoid an obstacle, the motor speeds of the left and right double-output-shaft motor speed reducers are different, so that the speeds of the left and right wheels are different, the effect of quickly avoiding the obstacle is achieved, the trolley can be effectively prevented from colliding with the wall surface of the tunnel, the operation is flexible, and the design is ingenious.
(2) The wheel mounting cover is arranged on the bottom girder bottom plate through the bolts, the disassembly and the assembly are convenient, the installation is stable, the wheel is arranged on the wheel mounting cover, the concrete slag or dust can be effectively prevented from falling on the wheel to influence the running of the wheel, and the running safety is ensured.
(3) The double-output-shaft motor speed reducer is arranged on the motor speed reducer mounting seat, is identical to the speed reducer in the same side and high in consistency through the horizontal connecting rod, ensures that the double-output-shaft motor speed reducer can synchronously influence the wheel speeds at the front side and the rear side, and is reasonable in design and high in safety coefficient.
In conclusion, the device has the advantages of being fast in obstacle avoidance, flexible in operation, capable of guaranteeing running safety and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the drive motor assembly.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 2, a differential traveling device for automatic driving of a tunnel lining maintenance trolley is composed of side sills 11 symmetrically installed on the left and right sides of the bottom of the tunnel lining maintenance trolley, wheel assemblies 12 positioned at the front and rear ends of the side sills 11, and driving motor assemblies 13 connected with the wheel assemblies 12.
The side sill 11 is a welded composite box girder.
The wheel assembly 12 is composed of a wheel mounting cap 121 bolted to the bottom plate of the side sill 11 and a wheel 122 mounted in the wheel mounting cap 121.
The wheel mounting cover 121 leaves only the lower opening through which the wheel 122 is exposed.
The driving motor assembly 13 is composed of a speed reducer 131 installed on the same side of the wheel mounting cover 121 and having a uniform height, a motor speed reducer mounting seat 132 centrally installed on the bottom of the side sill 11, and a double-output shaft motor speed reducer 133 installed on the motor speed reducer mounting seat 132.
The motor protection cover 135 is installed right above the motor reducer mounting seat 132 corresponding to the double-output shaft motor reducer 133.
The two output shaft ends of the motor speed reducer 133 with double output shafts are connected with the corresponding speed reducer 131 through horizontal connecting rods 134.
The horizontal link 134 preferably employs a floating shaft.
The speed reducer 131 is preferably a hub speed reducer, and the horizontal connecting rod 134 is connected with the double-output-shaft motor speed reducer 133 and the corresponding end shaft of the speed reducer 131 through a coupling 136.
The horizontal plate and the vertical plate of the motor reducer mounting seat 132 are respectively provided with mounting holes and are respectively connected with the bottom plate of the bottom longitudinal beam 11 and the double-output-shaft motor reducer 133 by bolts, and a triangular reinforcing plate is arranged between the horizontal plate and the vertical plate.
The triangular reinforcing plate is provided with weight and drag reducing holes.
The motors of the double-output-shaft motor reducer 133 provide driving force and moment for the tunnel lining maintenance trolley to move longitudinally along the tunnel.
When the tunnel lining maintenance trolley encounters an obstacle in the tunnel, the left and right wheels 122 at the bottom of the tunnel lining maintenance trolley generate a speed difference through the driving motor assembly 13 at the corresponding side, so that the differential obstacle avoidance of single-side collection and driving is realized.
When the lining maintenance trolley moves forward and backward along the tunnel, the differential traveling gear is in contact with the inverted arch ground, driving force and torque provided by the motors of the double-output-shaft motor speed reducer 133 are transmitted to the front wheel 122 and the rear wheel 122 through the horizontal connecting rods, and when the vehicle needs to turn to avoid an obstacle, the motor speeds of the left and right double-output-shaft motor speed reducers 133 are different, so that the wheel speeds of the wheels of the sides are different, a wheel speed difference of the left and right sides is generated, the differential obstacle avoidance of the single-side collection is realized, the trolley is prevented from colliding with the wall surface of the tunnel, and the vehicle returns to a correct travel path.
Claims (5)
1. The utility model provides a differential running gear that tunnel lining maintenance platform truck autopilot was used which characterized in that: including symmetry install in the bottom longeron (11) of tunnel lining maintenance platform truck bottom left and right sides, be located the wheel subassembly (12) of both ends around bottom longeron (11) and connect driving motor subassembly (13) of wheel subassembly (12), wheel subassembly (12) are including the wheel installation cover (121) of bolt mounting in bottom longeron (11) bottom plate and install wheel (122) in wheel installation cover (121), driving motor subassembly (13) are including installing speed reducer (131) at wheel installation cover (121) homonymy and highly uniform, the motor reducer mount pad (132) of installing in the middle of bottom longeron (11) bottom and install the two play axle motor reducer (133) on motor reducer mount pad (132), be connected through horizontal connecting rod (134) between two play axle head of two play axle motor reducer (133) and the corresponding speed reducer (131), the motor of two play axle motor reducer (133) provides driving force and moment along longitudinal movement for tunnel lining maintenance platform truck, and driving motor subassembly (13) on the left and right sides can realize through the differential side differential and keep away the differential speed and can realize the single obstacle.
2. The differential walking device for automatic driving of tunnel lining maintenance trolley according to claim 1, wherein: and a motor protection cover (135) is arranged right above the motor reducer mounting seat (132) corresponding to the double-output-shaft motor reducer (133).
3. The differential walking device for automatic driving of tunnel lining maintenance trolley according to claim 1, wherein: the horizontal connecting rod (134) adopts a floating shaft, the speed reducer (131) adopts a wheel edge speed reducer, and the horizontal connecting rod (134) is connected with the double-output-shaft motor speed reducer (133) and the corresponding end shaft of the speed reducer (131) through a coupler (136).
4. The differential walking device for automatic driving of tunnel lining maintenance trolley according to claim 1, wherein: the motor speed reducer mount pad (132) horizontal plate, vertical board all are equipped with the mounting hole and are equipped with bolt respectively with longeron (11) bottom plate, two play axle motor speed reducer (133) bolted connection, and be equipped with the triangle reinforcing plate between horizontal plate, the vertical board, the triangle reinforcing plate is equipped with and subtracts heavy drag reduction hole.
5. The differential walking device for automatic driving of tunnel lining maintenance trolley according to claim 1, wherein: the side sill (11) adopts a welded combined box girder, and the wheel mounting cover (121) only leaves a lower opening for exposing the wheels (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256428.3U CN220032051U (en) | 2023-05-23 | 2023-05-23 | Differential running gear that tunnel lining maintenance platform truck autopilot was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321256428.3U CN220032051U (en) | 2023-05-23 | 2023-05-23 | Differential running gear that tunnel lining maintenance platform truck autopilot was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220032051U true CN220032051U (en) | 2023-11-17 |
Family
ID=88744496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321256428.3U Active CN220032051U (en) | 2023-05-23 | 2023-05-23 | Differential running gear that tunnel lining maintenance platform truck autopilot was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220032051U (en) |
-
2023
- 2023-05-23 CN CN202321256428.3U patent/CN220032051U/en active Active
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