CN219079042U

CN219079042U - Induction obstacle avoidance device of working platform for climbing vehicle

Info

Publication number: CN219079042U
Application number: CN202320049800.7U
Authority: CN
Inventors: 包寅杰; 孙晓波; 虎洁琼; 徐晓熙
Original assignee: Zhejiang Traffic Detection Co ltd
Current assignee: Zhejiang Traffic Detection Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-26
Anticipated expiration: 2033-01-04

Abstract

The application relates to an induction obstacle avoidance device of an operation platform for a climbing vehicle, which comprises an induction component, a first driving component and a second driving component; the second driving component is connected with the first driving component in a sliding way and is controlled by the first driving component along the front-back direction of the climbing vehicle; the second driving assembly comprises a limiting piece, the sensing assembly is connected with the limiting piece in a sliding mode, the climbing trolley is provided with a controller, when the sensing assembly touches an obstacle, the sensing assembly is extruded with the inner wall of the limiting piece to generate a pressure signal, and the sensing assembly is electrically connected with the controller. The touch piece moves along with the first driving assembly, so that the area swept by the touch piece can be detected, and the detection range is enlarged. When the sensing assembly senses an obstacle, the sensing assembly extrudes the inner wall of the limiting piece to generate an electric signal, the electric signal is transmitted to the controller, and when the electric signal exceeds a set threshold value, the controller drives the braking system of the climbing vehicle to brake.

Description

Induction obstacle avoidance device of working platform for climbing vehicle

Technical Field

The application relates to the field of sensing devices, in particular to a sensing obstacle avoidance device of an operation platform for a climbing vehicle.

Background

At present, in the tunnel detection process, a working platform is lifted by a boarding car and then slowly driven to carry out specific detection work. However, obstacles such as lamps, fans, cameras, indicator lights and the like in the tunnel exist on the waists, vaults and the like on the two sides in the tunnel, so that the operation of the lifted platform can be influenced, and dangerous and unstable factors are brought to high-altitude operators.

In the original high-altitude detection operation, a detector on a platform can timely shout and stop a driver to drop and jump over an obstacle when seeing danger, and the driver can not timely receive effective information due to noisy environment in a tunnel and other factors, and can not take timely braking measures, so that the detection operation has a small potential safety hazard.

Disclosure of Invention

In order to improve the stability of detecting the obstacle in the tunnel, the application provides an obstacle avoidance device of the operation platform for the climbing vehicle.

The application provides a vehicle operation platform's that ascends a height response obstacle avoidance device adopts following technical scheme:

an inductive obstacle avoidance device of an operation platform for a climbing vehicle comprises an inductive component, a first driving component and a second driving component; the second driving component is connected with the first driving component in a sliding way and is controlled by the first driving component along the front-back direction of the climbing vehicle; the second driving assembly comprises a limiting piece, the sensing assembly is connected with the limiting piece in a sliding mode, the climbing trolley is provided with a controller, when the sensing assembly touches an obstacle, the sensing assembly is extruded with the inner wall of the limiting piece to generate a pressure signal, and the sensing assembly is electrically connected with the controller.

Through adopting above-mentioned technical scheme, detection personnel can get into testing platform, and testing platform rises to appointed height, and the climbing car slowly moves in the tunnel, and detection personnel is in testing platform operation. The touch piece moves along with the first driving component, so that the area swept by the touch piece can be detected, and the detection range is enlarged. When the sensing assembly senses an obstacle, the sensing assembly extrudes the inner wall of the limiting piece to generate an electric signal, the electric signal is transmitted to the controller, when the electric signal exceeds a set threshold value, the controller drives the braking system of the climbing vehicle to brake, and meanwhile, the second driving assembly drives the touch piece to retract, so that the sensing assembly is protected.

Optionally, the second driving assembly comprises a pushing piece and a second power source arranged on the first driving assembly, the second power source drives the pushing piece to move along the front-back direction of the climbing vehicle, and the sensing assembly is connected with one end, far away from the second power source, of the pushing piece in a sliding mode.

Through adopting above-mentioned technical scheme, when the controller received signal control climbing car, the controller can control the pusher and drive the response subassembly and retract along the reverse direction that the climbing car was advanced for response subassembly breaks away from the barrier, and protection response subassembly is not damaged when climbing car forward slip.

Optionally, the sensing assembly includes a touch member, a connecting member, and a pressure sensor. The connecting piece is connected to the pushing piece in a sliding way, and the touch piece is arranged at one end, far away from the second driving assembly, of the connecting piece; the pressure sensor is arranged on the peripheral side wall of the connecting piece, one end of the pressure sensor is connected with a disc spring, and the disc spring is abutted against the inner wall of the second driving assembly; the pressure sensor is electrically connected with the controller, and the controller is connected with a braking system of the climbing vehicle.

Through adopting above-mentioned technical scheme, when touching the piece side direction and touching the barrier, touching the piece and driving connecting rod and second drive assembly extrusion, force the dish spring with second drive assembly inner wall butt to exert pressure for pressure sensor, when pressure sensor receives the pressure and reaches its minimum threshold value of setting for, pressure sensor produces the signal of telecommunication to with this signal of telecommunication is transmitted to the controller, and the braking system of controller drive climbing car brakes.

Optionally, the sensing assembly further comprises an elastic piece and a touch switch, the elastic piece is mounted on the outer wall of the connecting piece, the touch switch is fixed on the inner wall of the second driving assembly, the touch switch is located on the sliding path of the end portion of the elastic piece, and the touch switch is electrically connected to the controller.

Through adopting above-mentioned technical scheme, when touching the piece and touching the barrier at ascending a car forward direction, the connecting piece drives the relative propelling movement piece of elastic component and slides, and after the elastic component triggered the touch switch, the touch switch was given the signal transmission with the controller control vehicle braking.

Optionally, the sensing assembly further comprises a spring, the spring is sleeved on the connecting piece, and the spring is respectively abutted with the pushing piece and the touching piece.

Through adopting above-mentioned technical scheme, when touching the piece in the state that does not receive external force, the spring can make touching piece and pusher keep one section can flexible distance for touching the piece just when the direction touches the barrier, the elastic component can trigger touch switch.

Optionally, the first drive assembly is including installing in the first power supply of operation platform, guide rail and sliding connection in the slip table of guide rail, and first power supply and guide rail are all installed in operation platform, and the slip table is controlled by first power supply and slides, and the direction of motion of second drive assembly perpendicular to slip table is installed in the slip table.

Through adopting above-mentioned technical scheme, first drive assembly can drive the touching piece of being connected with the second drive assembly and do reciprocating motion, cooperates the climbing car slowly-moving can realize standing in the regional obstacle detection of advancing direction that the operator stands to can not hinder operator's sight.

Optionally, the sensing component is connected with the anti-rotation component, and the anti-rotation component includes installation piece and moving part, and the installation piece is installed in the outer wall of second power supply, and moving part one end is connected in touching piece, the other end slides and is connected in the installation piece.

By adopting the technical scheme, the anti-rotation component is provided with a sliding connection point for the touch piece, so that the shaking of the induction component in the movement process of the climbing vehicle is reduced, and the false touch of the pressure sensors at two sides is prevented; when the touching piece touches the obstacle laterally, the touching piece is limited to rotate relative to the pushing piece, and the pressure sensor can be effectively triggered.

Optionally, the connecting piece is kept away from the one end lateral wall of touching the piece and is equipped with spacing bulge loop, and the locating part is fixed in the connecting piece and is close to the one end of establishing first drive assembly, and spacing bulge loop external diameter is less than the internal diameter of locating part.

By adopting the technical scheme, the limiting convex ring seals the cavity of the pushing piece, and dust is limited to enter the cavity of the pushing piece; the limiting piece can prevent the connecting piece from sliding out of the pushing piece.

Optionally, a support table extending towards the touching piece is arranged at the bottom of the working platform.

By adopting the technical scheme, when the touch piece is in the retraction state, the support piece can support the bottom of the touch piece; the bottom of the sliding joint of the connecting piece and the pushing piece is extruded to deform, and the service life of the induction mechanism is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the touch piece moves along with the first driving component, so that the area swept by the touch piece can be detected, and the detection range is enlarged. When the sensing component senses an obstacle, the sensing component extrudes the inner wall of the limiting piece to generate an electric signal, the electric signal is transmitted to the controller, and when the electric signal exceeds a set threshold value, the controller drives the braking system of the climbing vehicle to brake, and meanwhile, the second driving component drives the touch piece to retract to protect the sensing component;

2. when the controller receives a signal to control the climbing vehicle, the controller can control the pushing piece to drive the induction component to retract along the reverse direction of the forward direction of the climbing vehicle, so that the induction component is separated from an obstacle, and the induction component is prevented from being damaged when the climbing vehicle slides forwards;

3. the anti-rotation component is provided with a sliding connection point for the touch piece, so that shaking of the sensing component in the movement process of the climbing vehicle is reduced, and the pressure sensors at the two sides are prevented from being touched by mistake; when the touching piece touches the obstacle laterally, the touching piece is limited to rotate relative to the pushing piece, and the pressure sensor can be effectively triggered.

Drawings

Fig. 1 is a schematic position diagram of an inductive obstacle avoidance device of an operation platform for a climbing vehicle.

Fig. 2 is a schematic structural diagram of an inductive obstacle avoidance device of an operation platform for a climbing vehicle.

Fig. 3 is a schematic structural diagram of the sensing assembly of the present application.

Fig. 4 is a schematic cross-sectional view of a sensing assembly of the present application.

Fig. 5 is an enlarged schematic cross-sectional view of the sensing assembly of the present application.

Reference numerals illustrate: 1. an induction assembly; 11. a touch piece; 12. a connecting piece; 121. a mounting groove; 13. a pressure sensor; 14. a spring; 15. a limit convex ring; 16. an elastic member; 17. a touch switch; 18. a disc spring; 2. a first drive assembly; 21. a first power source; 22. a guide rail; 23. a sliding table; 3. a second drive assembly; 31. a second power source; 32. a pushing member; 33. a limiting piece; 34. a chute; 4. an anti-rotation assembly; 41. a mounting block; 42. a moving member; 5. an operation platform; 51. a support table; 6. climbing vehicle; 7. and a controller.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an obstacle avoidance device of induction of an operation platform for a climbing vehicle.

Referring to fig. 1, an inductive obstacle avoidance device of an operation platform for a climbing vehicle includes an inductive component 1, a first driving component 2 and a second driving component 3. For convenience of explanation, the forward direction of the ascending carriage 6 is referred to as the front. The first driving component 2 is installed on one side of the working platform 5 facing forward, the second driving component 3 is slidably arranged on the first driving component 2 and extends outwards towards the working platform 5, and the sensing component 1 is slidably connected with the second driving component 3 in a penetrating manner along the length direction of the second driving component 3. The first driving component 2 drives the second driving component 3 and the sensing component 1 to do reciprocating motion along the long side direction in front of the platform, and is used for detecting obstacles in the area in front of the working platform 5.

Referring to fig. 2, the first driving assembly 2 includes a first power source, a guide rail 22 and a sliding table 23, in this embodiment, the first power source employs a stepping motor, the guide rail 22 is mounted on the working platform 5 along the tunnel width direction, the sliding table 23 is slidably connected to the guide rail 22, the first power source is fixed at one end of the guide rail 22, the first power source drives the sliding table 23 to move along the length direction of the guide rail 22 through a screw rod, and the second driving assembly 3 is fixed on the upper surface of the sliding table 23.

The second driving assembly 3 includes a second power source 31 and a pushing member 32, in this embodiment, the second power source 31 is a cylinder, the pushing member 32 is a piston rod, and in other embodiments, an electric push rod or a linear module may be used. The pushing member 32 moves towards the outside of the operation, a chute 34 is arranged at one end of the pushing member 32 away from the operation platform 5, and the sensing assembly 1 is slidingly connected to the chute 34.

Referring to fig. 3 or 4, the sensing assembly 1 includes a touch piece 11, a connecting piece 12, and two pressure sensors 13, and the touch piece 11 is a vertically arranged rectangular plate. One end of the connecting piece 12 is fixed with the touching piece 11, one end of the touching connecting piece 12 far away from the touching piece 11 is fixed with a limiting convex ring 15, and the limiting convex ring 15 is connected in the sliding groove 34 in a sliding way. The opening of the chute 34 is fixedly provided with a limiting piece 33, the connecting piece 12 is connected to the limiting piece 33 in a penetrating way and slides in the chute 34, and the outer diameter of the limiting convex ring 15 is larger than the inner diameter of the limiting piece 33, so that the connecting piece 12 is limited to slide down.

Referring to fig. 5, two sides of the connecting piece 12 are respectively fixed with a pressure sensor 13, the end of the pressure sensor 13 is connected with a disc spring 18, the disc spring 18 is abutted against the inner wall of the limiting piece 33, and a gap is reserved between the connecting piece 12 and the limiting piece 33. The climbing vehicle 6 is provided with a controller 7, and the pressure sensor 13 and the second power source 31 are electrically connected with the controller 7. When the link 12 receives pressure in the moving direction of the slide table, the pressure sensor 13 presses the inner wall of the stopper 33, generating an electric signal. When the electric signal reaches the set threshold, the controller receives the electric signal, controls the climbing cart 6 to brake and enables the pushing piece 32 to drive the induction assembly 1 to retract.

The sensing assembly 1 further comprises an elastic piece 16 and a touch switch 17, the outer wall of the connecting piece 12 is provided with a mounting groove 121, the elastic piece 16 is fixed in the mounting groove 121, the other end of the elastic piece 16 is a free end, in the embodiment, the elastic piece 16 is a V-shaped elastic metal piece, and the free end of the elastic piece 16 is abutted to the inner wall of the limiting convex ring 15. In the abutted state, the elastic member 16 stores elastic potential energy. The touch switch 17 is embedded into the inner wall of the limit convex ring 15, and the touch switch 17 is positioned on the sliding path of the end part of the elastic piece (16). When the elastic member 16 moves with the connecting member 12, the elastic member 16 triggers the touch switch 17 and generates an electrical signal. The controller 7 is electrically connected with the touch switch 17, and when the controller 7 receives an electric signal of the touch switch 17, the controller controls the climbing cart 6 to brake and enables the pushing piece 32 to drive the induction component 1 to retract.

Referring to fig. 3, the connecting member 12 is sleeved with a spring 14, and the spring 14 is clamped between the limiting member 33 and the touching member 11. The spring 14 is used for keeping the spacing of the stoppers 33 of the touching member 11 when the sensing assembly 1 is not subjected to an external force.

Referring to fig. 1, the sensing assembly 1 is further connected with an anti-rotation assembly 4, the anti-rotation assembly 4 includes a mounting block 41 and a moving member 42, the mounting block 41 is fixed on the top of the fixed portion of the second power source 31, one end of the moving member 42 is slidably connected to the mounting block 41, and the other end is fixed to the touching member 11. The anti-rotation component 4 limits the rotation generated when the side edge of the touch piece 11 touches an obstacle, so that the signal fed back by the pressure sensor 13 is more accurate.

The implementation principle of the embodiment is as follows: when the ascending carriage 6 slowly moves forwards in the tunnel, the induction component 1 and the second driving component 3 slide along the direction of the guide rail 22 along with the sliding table 23 to do reciprocating motion. When the contact member 11 contacts an obstacle toward the advancing side of the ascending vehicle 6, the elastic member 16 triggers the contact switch 17 to generate an electrical signal and transmit the electrical signal to the controller 7, and the controller 7 controls the ascending vehicle 6 to brake and simultaneously allows the second driving component 3 to drive the sensing component 1 to retract. When the touching piece 11 touches an obstacle along the moving direction of the moving slide block, the pressure sensor 13 of the connecting piece 12 and the limiting piece 33 are extruded to generate a pressure signal, the pressure signal reaches a threshold value, the signal is transmitted to the controller 7, and the controller 7 controls the climbing trolley 6 to brake.

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 vehicle operation platform's that ascends a height response obstacle avoidance device which characterized in that: comprises an induction component (1), a first driving component (2) and a second driving component (3); the second driving assembly (3) is connected with the first driving assembly (2) in a sliding manner and is controlled by the first driving assembly (2) along the front-back direction of the climbing vehicle; the second driving assembly (3) comprises a limiting piece (33), the sensing assembly (1) is connected with the limiting piece (33) in a sliding mode, the climbing trolley is provided with a controller (7), when the sensing assembly (1) touches an obstacle, the sensing assembly (1) extrudes with the inner wall of the limiting piece (33) to generate a pressure signal, and the sensing assembly (1) is electrically connected with the controller (7).

2. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the second driving assembly (3) comprises a pushing piece (32) and a second power source (31) arranged on the first driving assembly, the second power source (31) drives the pushing piece (32) to move along the front-back direction of the climbing vehicle, and the sensing assembly (1) is connected with one end, far away from the second power source (31), of the pushing piece (32) in a sliding mode.

3. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the induction component (1) comprises a touch piece (11), a connecting piece (12) and a pressure sensor (13), wherein the connecting piece (12) is connected to the pushing piece (32) in a sliding manner, and the touch piece (11) is arranged at one end, far away from the second driving component (3), of the connecting piece (12); the pressure sensor (13) is arranged on the peripheral side wall of the connecting piece (12), one end of the pressure sensor (13) is connected with a disc spring (18), and the disc spring (18) is abutted against the inner wall of the second driving assembly (3); the pressure sensor (13) is electrically connected with the controller (7), and the controller (7) is connected with a braking system of the climbing vehicle (6).

4. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the induction component (1) further comprises an elastic piece (16) and a touch switch (17), the elastic piece (16) is mounted on the outer wall of the connecting piece (12), the touch switch (17) is fixed on the inner wall of the second driving component (3), the touch switch (17) is located in a sliding path of the end portion of the elastic piece (16), and the touch switch (17) is electrically connected to the controller (7).

5. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the induction assembly (1) further comprises a spring (14), the spring (14) is sleeved on the connecting piece (12), and the spring (14) is respectively abutted with the pushing piece (32) and the touching piece (11).

6. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the first driving assembly (2) comprises a first power source (21) arranged on the working platform (5), a guide rail (22) and a sliding table (23) connected with the guide rail (22) in a sliding mode, the first power source (21) and the guide rail (22) are arranged on the working platform (5), the sliding table (23) is controlled to slide by the first power source (21), and the moving direction of the second driving assembly (3) is perpendicular to the moving direction of the sliding table (23) and is arranged on the sliding table (23).

7. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the induction component (1) is connected with an anti-rotation component (4), the anti-rotation component (4) comprises a mounting block (41) and a moving piece (42), the mounting block (41) is mounted on the outer wall of the second power source (31), one end of the moving piece (42) is connected with the touch piece (11), and the other end of the moving piece is connected with the mounting block (41) in a sliding mode.

8. The inductive obstacle avoidance apparatus for an overhead vehicle work platform of claim 3 wherein: the connecting piece (12) is kept away from one end lateral wall that touches piece (11) and is equipped with spacing bulge loop (15), spacing piece (33) are fixed in connecting piece (12) and are close to the one end of establishing first drive assembly (2), spacing bulge loop (15) external diameter is less than the internal diameter of spacing piece (33).

9. The inductive obstacle avoidance apparatus for a work platform for a climbing vehicle of claim 1, wherein: the bottom of the working platform (5) is provided with a supporting table (51) extending towards the touch piece (11).