Driving, steering and damping integrated mechanism

Abstract

The utility model discloses a driving, steering and damping integrated mechanism which comprises a device body, the device body comprises a fixed bottom plate, a steering bottom plate, a driving, steering and damping device and a steering top seat, the steering bottom plate is installed on the fixed bottom plate, and the steering top seat is installed on the top of the steering bottom plate. The driving steering damping device is installed at the bottom of the steering top seat and located on the steering bottom plate. The driving steering damping device comprises a front driving device, a rear driving device, a pneumatic damper and moving wheels, the front driving device is mounted at the front end of the pneumatic damper bottom, the rear driving device is mounted at the rear end of the pneumatic damper bottom, and the moving wheels are mounted between the driving ends of the front driving device and the rear driving device; according to the device, the required performance can be better provided for the mobile flat plate, and meanwhile, the mobile flat plate can move in any direction in any posture, so that the accurate simulation of the motion path and posture is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile testing, in particular to a driving, steering and shock absorbing integrated mechanism. Background Art

[0002] During the R&D stage and before mass production of smart cars, relevant unmanned driving tests and experiments are very necessary, but it is impossible to conduct relevant tests on actual roads. This requires the use of various test equipment and relevant traffic simulation bodies in closed test sites or indoors to build real traffic scenes for relevant unmanned driving tests and experiments, so as to obtain a large amount of test data for R&D use.

[0003] Existing automobile testing devices have the following defects:

[0004] Existing automobile tests are generally conducted through mobile tablets, which can only cope with ordinary test sites. When simulating some complex traffic behaviors, especially some dangerous or extreme traffic behaviors, and simulating the behaviors and postures of real traffic participants, existing mobile tablets are very difficult or even impossible to complete. Therefore, a solution is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a driving steering damping integrated mechanism to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A driving steering shock absorbing integrated mechanism comprises a device body, wherein the device body comprises a fixed base plate, a steering base plate, a driving steering shock absorbing device and a steering top seat, wherein the steering base plate is mounted on the fixed base plate, the steering top seat is mounted on the top of the steering base plate, and the driving steering shock absorbing device is mounted on the bottom of the steering top seat and is located on the steering base plate; the driving steering shock absorbing device comprises a front driving device, a rear driving device, a pneumatic shock absorbing device and a movable wheel, wherein the front driving device is mounted on the front end of the pneumatic shock absorbing bottom, the rear driving device is mounted on the rear end of the pneumatic shock absorbing bottom, and the movable wheel is mounted between the driving ends of the front driving device and the rear driving device.

[0008] As a preferred embodiment of the utility model, the front drive device includes a front motor and a front swing arm type reduction box, the front motor is installed at the driving end of the front swing arm type reduction box, and a drive shaft is provided at the rear end of the front swing arm type reduction box.

[0009] As a preferred embodiment of the utility model, the rear drive device includes a rear motor and a rear swing arm type reduction box, the rear motor is installed at the driving end of the rear swing arm type reduction box, and a drive shaft is provided at the front end of the rear swing arm type reduction box.

[0010] As a preferred embodiment of the utility model, the outer ends of the front swing arm type reduction box and the rear swing arm type reduction box are both provided with anti-torsion slide seats, and the other ends of the anti-torsion slide seats are connected to the steering base plate.

[0011] As a preferred embodiment of the utility model, the steering top seat is in a semicircular structure, a rotating bearing is provided at the bottom of the steering top seat, a steering gear ring is provided outside the rotating bearing, and the steering gear ring is in a circular ring structure.

[0012] As a preferred embodiment of the utility model, a steering motor is installed on the top of the fixed base plate, the steering motor is located outside the steering top seat, a steering gear is installed on the driving end of the steering motor, and the steering gear is meshed with the steering gear ring.

[0013] As a preferred embodiment of the utility model, the pneumatic shock absorption includes a portal slide and a shock absorbing airbag, the shock absorbing airbag is installed on the top of the portal slide, the shock absorbing airbag is a rectangular structure, the portal slide is a concave structure, the four corners of the top of the portal slide are all sleeved with guide rails, the guide rails are a cylindrical structure, and the top of the guide rails is fixed to the bottom of the steering top seat.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In a driving, steering and damping integrated mechanism of the utility model, the required performance can be better provided to the mobile flat panel, and the mobile flat panel can also be moved in any direction with any posture, thereby realizing accurate simulation of the motion path and posture;

[0016] According to different performance, load-bearing, size and other requirements, four, six or even more integrated driving, steering and shock absorbing mechanisms can be arranged. All of the integrated driving, steering and shock absorbing mechanisms have power and steering functions and are independently controlled. Combined with the higher-level centralized coordination control algorithm, all the mechanisms can move together without interfering with each other, so that the mobile tablet can move flexibly in any direction with any posture, and then better and more accurately simulate the motion trajectory and posture of the target object, making the mobile tablet more applicable, making the test more flexible and richer, and closer to the real scene. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall internal structure of the utility model;

[0018] Figure 2It is a schematic diagram of the overall external structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the driving steering damping device of the utility model;

[0020] Figure 4 It is a schematic diagram of the connection structure between the front drive device and the rear drive device of the utility model;.

[0021] In the figure: 1. device body; 2. fixed base plate; 3. driving steering shock absorber; 4. steering top seat; 5. front drive device; 6. rear drive device; 7. pneumatic shock absorber; 8. moving wheel; 9. front motor; 10. front swing arm type reduction box; 11. driving shaft; 12. rear motor; 13. rear swing arm type reduction box; 14. door type slide seat; 15. shock absorbing airbag; 16. guide rail; 17. rotating bearing; 18. steering gear ring; 19. steering motor; 20. steering gear; 21. anti-twist slide seat; 22. steering base plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A driving steering damping integrated mechanism comprises a device body 1, wherein the device body 1 comprises a fixed base plate 2, a steering base plate 22, a driving steering damping device 3 and a steering top seat 4, wherein the steering base plate 22 is mounted on the fixed base plate 2, the steering top seat 4 is mounted on the top of the steering base plate 22, and the driving steering damping device 3 is mounted on the bottom of the steering top seat 4 and is located on the steering base plate 22;

[0025] As a preferred embodiment of the utility model, the driving steering shock absorber 3 includes a front driving device 5, a rear driving device 6, a pneumatic shock absorber 7 and a movable wheel 8. The front driving device 5 is installed at the front end of the bottom of the pneumatic shock absorber 7, the rear driving device 6 is installed at the rear end of the bottom of the pneumatic shock absorber 7, and the movable wheel 8 is installed between the driving ends of the front driving device 5 and the rear driving device 6. When driving, the front driving device 5 drives forward and then performs a forward test. When the rear driving device 6 drives, it drives the car to drive backward, and the pneumatic shock absorber 7 can damp the movable wheel 8.

[0026] As a preferred embodiment of the utility model, the front drive device 5 includes a front motor 9 and a front swing arm type reduction box 10, the front motor 9 is installed at the driving end of the front swing arm type reduction box 10, and a drive shaft 11 is provided at the rear end of the front swing arm type reduction box 10. When moving forward, the front motor 9 is driven, and the front motor 9 drives the front swing arm type reduction box 10, and the front swing arm type reduction box 10 drives the moving wheel 8 to move forward through the drive shaft 11.

[0027] As a preferred embodiment of the utility model, the rear drive device 6 includes a rear motor 12 and a rear swing arm type reduction box 13, the rear motor 12 is installed at the driving end of the rear swing arm type reduction box 13, and a drive shaft 11 is provided at the front end of the rear swing arm type reduction box 13. When moving backward, the rear motor 12 is driven, and the rear motor 12 drives the rear swing arm type reduction box 13, and the rear swing arm type reduction box 13 drives the moving wheel 8 to move backward through the drive shaft 11.

[0028] As a preferred embodiment of the utility model, the outer ends of the front swing arm type reducer 10 and the rear swing arm type reducer 13 are provided with an anti-torsion slide seat 21, and the other end of the anti-torsion slide seat 21 is connected to the steering base plate 22. The anti-torsion slide seat 21 of the front swing arm type reducer 10 and the rear swing arm type reducer 13 is designed to facilitate the up and down adjustment and movement of the front swing arm type reducer 10 and the rear swing arm type reducer 13, and is designed to facilitate shifting and shock absorption.

[0029] As a preferred embodiment of the utility model, the steering top seat 4 has a semicircular structure, a rotating bearing 17 is provided at the bottom of the steering top seat 4, a steering gear ring 18 is provided on the outer side of the rotating bearing 17, and the steering gear ring 18 has a circular ring structure. The rotating bearing 17 can help the steering top seat 4 and the steering base plate 22 in the rotating bearing 17 to rotate, so as to achieve the purpose of adjusting the position, and the steering gear ring 18 is for facilitating the driving of the steering motor 19 through the steering gear 20.

[0030] As a preferred embodiment of the utility model, a steering motor 19 is installed on the top of the fixed base plate 2, and the steering motor 19 is located on the outside of the steering top seat 4. A steering gear 20 is installed on the driving end of the steering motor 19, and the steering gear 20 is meshed with the steering ring gear 18. When steering, the staff starts the steering motor 19, and the driving end of the steering motor 19 drives the steering gear 20 to rotate, and the steering gear 20 is meshed with the steering gear 20, and then the rotating bearing 17 in the steering gear 20 can be driven to rotate, and the driving steering device 3 installed on the steering base plate 22 can be rotated to adjust the position.

[0031] As a preferred embodiment of the utility model, the pneumatic shock absorption 7 includes a portal slide 14 and a shock-absorbing airbag 15, the shock-absorbing airbag 15 is installed on the top of the portal slide 14, the shock-absorbing airbag 15 is a rectangular structure, the portal slide 14 is a concave structure, the four corners of the top of the portal slide 14 are sleeved with guide rails 16, the guide rails 16 are cylindrical structures, the top of the guide rails 16 is fixed to the bottom of the steering top seat 4, when the mobile wheel 8 is shock-absorbing, the mobile wheel 8 vibrates up and down, further causing the portal slide 14 to slide upward on the two sets of guide rails 16, and finally the portal slide 14 drives the shock-absorbing airbag 15 to the top of the inner top of the steering top seat 4, and the shock-absorbing airbag 15 rebounds after being pressed, thereby achieving the purpose of shock-absorbing the mobile wheel 8.

[0032] Working principle: During the test, the staff puts the mobile flat plate onto the fixed base plate 2. When turning, the staff starts the steering motor 19. The driving end of the steering motor 19 drives the steering gear 20 to rotate. The steering gear 20 engages with the steering ring gear 18, and then the rotating bearing 17 in the steering ring gear 18 can be driven to rotate. The driving steering device 3 installed on the steering base plate 22 can be rotated to adjust the position. When the car is tested forward, the front motor 9 drives the front swing arm type reduction box 10. The front swing arm type reduction box 10 drives the moving wheel 8 to move forward through the drive shaft 11. When the car is tested reverse, the rear motor 12 drives the rear motor 12 drives the rear swing arm type reduction box 13. The rear swing arm type reduction box 13 drives the moving wheel 8 to move backward through the drive shaft 11 (front The driving device 5 and the rear driving device 6 can also work together to jointly carry out forward or backward work). When driving the mobile flat plate to turn, the staff starts the steering motor 19, and the driving end of the steering motor 19 drives the steering gear 20 to rotate. The steering gear 20 is engaged with the steering ring gear 18, and then the rotating bearing 17 in the steering ring gear 18 can be driven to rotate, and the driving steering device 3 installed on the steering base plate 22 can be rotated to adjust the position. During the movement, the mobile wheel 8 can be shock-absorbing. During shock absorption, the mobile wheel 8 vibrates up and down, further causing the portal slide 14 to slide upward on the two sets of guide rails 16, and finally the portal slide 14 drives the shock-absorbing airbag 15 to the top of the inner top of the steering top seat 4, and the shock-absorbing airbag 15 rebounds after being pressed, thereby achieving the purpose of shock absorption for the mobile wheel 8.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A driving steering damping integrated mechanism, characterized in that: The device comprises a device body (1), wherein the device body (1) comprises a fixed base plate (2), a steering base plate (22), a driving steering damping device (3) and a steering top seat (4), wherein the steering base plate (22) is mounted on the fixed base plate (2), the steering top seat (4) is mounted on the top of the steering base plate (22), and the driving steering damping device (3) is mounted on the bottom of the steering top seat (4) and is located on the steering base plate (22); The driving steering shock absorber (3) comprises a front driving device (5), a rear driving device (6), a pneumatic shock absorber (7) and a moving wheel (8); the front driving device (5) is mounted at the front end of the bottom of the pneumatic shock absorber (7); the rear driving device (6) is mounted at the rear end of the bottom of the pneumatic shock absorber (7); and the moving wheel (8) is mounted between the driving ends of the front driving device (5) and the rear driving device (6).

2. The driving steering damping integrated mechanism according to claim 1, characterized in that: The front drive device (5) comprises a front motor (9) and a front swing arm type reduction box (10), wherein the front motor (9) is mounted on the driving end of the front swing arm type reduction box (10), and a driving shaft (11) is provided at the rear end of the front swing arm type reduction box (10).

3. The driving steering damping integrated mechanism according to claim 1, characterized in that: The rear drive device (6) comprises a rear motor (12) and a rear swing arm type reduction box (13); the rear motor (12) is mounted on the driving end of the rear swing arm type reduction box (13); and a driving shaft (11) is provided at the front end of the rear swing arm type reduction box (13).

4. The driving steering damping integrated mechanism according to claim 2, characterized in that: The outer ends of the front swing arm type reduction box (10) and the rear swing arm type reduction box (13) are both provided with an anti-twist sliding seat (21), and the other end of the anti-twist sliding seat (21) is connected to the steering base plate (22).

5. The driving steering damping integrated mechanism according to claim 1, characterized in that: The steering top seat (4) is in a semicircular structure. A rotating bearing (17) is provided at the bottom of the steering top seat (4). A steering gear ring (18) is provided outside the rotating bearing (17). The steering gear ring (18) is in a circular ring structure.

6. The driving steering damping integrated mechanism according to claim 1, characterized in that: A steering motor (19) is installed on the top of the fixed base plate (2), and the steering motor (19) is located outside the steering top seat (4). A steering gear (20) is installed on the driving end of the steering motor (19), and the steering gear (20) is meshed with the steering gear ring (18).

7. The driving steering damping integrated mechanism according to claim 1, characterized in that: The pneumatic shock absorber (7) comprises a door-type slide seat (14) and a shock-absorbing airbag (15). The shock-absorbing airbag (15) is installed on the top of the door-type slide seat (14). The shock-absorbing airbag (15) is a rectangular structure. The door-type slide seat (14) is a concave structure. The four corners of the top of the door-type slide seat (14) are sleeved with guide rails (16). The guide rails (16) are cylindrical structures. The top of the guide rails (16) is fixed to the bottom of the steering top seat (4).

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