Novel vehicle follow-up steering device

Abstract

The utility model discloses a novel vehicle follow-up steering device which comprises a device body, the device body comprises a first follow-up steering device, a second follow-up steering device and a supporting table top, and the first follow-up steering device and the second follow-up steering device are distributed in a transverse equidistant mode. The supporting table top is located over the first follow-up steering device and the second follow-up steering device. Each of the first follow-up steering device and the second follow-up steering device comprises a rotating base device, a supporting frame, a driving device, a rotating drum supporting seat and a rotating drum, the supporting frame is mounted at the top of the rotating base device, and the driving device is fixed on the side surface of the supporting frame; the group of rotary drum supporting seats are symmetrically arranged at the top of the supporting frame, the rotary drum is arranged between the group of rotary drum supporting seats, and the device can synchronize along with a lane changing angle corresponding to a steering angle of a steering wheel of a tested vehicle, so that the vehicle can be conveniently tested.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile testing, in particular to a novel vehicle follow-up steering device. Background Art

[0002] The "Unmanned Vehicle Comprehensive Performance Test System", referred to as VTEHIL test bench, is designed to solve the technical problem of providing an unmanned vehicle comprehensive performance test system that can test the longitudinal and lateral performance of unmanned vehicles.

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

[0004] When the existing VTEHIL bench tests the vehicle's lateral lane change and other functions, the front axle drum of the VTEHIL bench cannot make a lane change angle corresponding to the steering wheel angle of the tested vehicle, which causes the relative position of the front axle drum of the VTEHIL bench and the tire of the tested vehicle to be out of sync, affecting the test vehicle test. Therefore, a solution is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a novel vehicle follow-up steering device 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 novel vehicle follow-up steering device comprises a device body, wherein the device body comprises a first follow-up steering device, a second follow-up steering device and a support table, wherein the first follow-up steering device and the second follow-up steering device are distributed in a laterally equidistant manner, and the support table is located directly above the first follow-up steering device and the second follow-up steering device;

[0008] As a preferred embodiment of the utility model, the first follow-up steering device and the second follow-up steering device both include a rotating base device, a support frame, a driving device, a drum support seat and a drum, the support frame is installed on the top of the rotating base device, the driving device is fixed to the side of the support frame, and the drum support seat is provided in a group, and a group of the drum support seats are symmetrically installed on the top of the support frame, and the drum is installed between a group of drum support seats.

[0009] As a preferred embodiment of the utility model, the rotating base device includes a stable base plate, a slewing bearing and a follower gear, the slewing bearing is installed on the top of the stable base plate, the follower gear is a circular ring structure, and the follower gear is fixed on the outside of the slewing bearing.

[0010] As a preferred embodiment of the present invention, the stable bottom plate is in an H-shaped structure, and a plurality of fixing holes are provided on the surface of the stable bottom plate.

[0011] As a preferred embodiment of the utility model, the support frame is in a rectangular structure, and mounting blocks are provided on both left and right sides of the support frame. The mounting blocks are in a trapezoidal structure, and a plurality of side fixing openings are provided on the surface of the mounting blocks.

[0012] As a preferred embodiment of the utility model, the driving device includes a servo motor, a reducer and a driving gear, the reducer is installed at the driving end of the servo motor, the driving gear is installed at the bottom driving end of the reducer, the driving gear is meshed with the follower gear, and the servo motor, reducer and driving gear are connected to form an L-shaped structure.

[0013] As a preferred embodiment of the utility model, a motor frame is provided at the rear side of the reducer, the motor frame is in an L-shaped structure, a side fixing opening is opened on the surface of the motor frame, and the rear end of the motor frame is fixed on the mounting block.

[0014] As a preferred embodiment of the utility model, the drum support seat includes a bottom fixing block and a mounting frame, the bottom fixing block and the mounting frame are both smoothly transitioned and integrally processed structures, the bottom fixing block is located at the bottom of the mounting frame, the top of the mounting frame is an arc-shaped structure and the bottom is a rectangular structure, a plurality of groups of reinforcement openings are opened at the bottom of the mounting frame, the bottom fixing block is a rectangular structure, and a fitting gasket is provided at the bottom of the bottom fixing block, and the fitting gasket is made of rubber.

[0015] As a preferred embodiment of the present utility model, the support table is in a rectangular structure, a rotating table is provided on the surface of the support table, and a driving groove is provided on the surface of the rotating table.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] In a new type of vehicle follow-up steering device of the utility model, the vehicle follow-up steering device can be synchronized with the lane change angle corresponding to the steering wheel angle of the tested vehicle, so as to facilitate the testing of the vehicle. During the test, the servo motor drives the reducer and the driving gear to drive the follow-up gear through the slewing bearing support frame, the drum support seat and other connecting parts to make the drum roller and the wheel move synchronously, thereby achieving the purpose of synchronous testing. At the same time, the follow-up steering device can also be applied to other types of drum dynamometer benches. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall assembly structure of the utility model;

[0019] Figure 2 This is a schematic structural diagram of a first follow-up steering device of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of point A of the present utility model.

[0021] In the figure: 1. device body; 2. first follow-up steering device; 3. second follow-up steering device; 4. support table; 5. rotating base device; 6. support frame; 7. drive device; 8. drum support seat; 9. drum; 10. stable bottom plate; 11. slewing bearing; 12. follow-up gear; 13. fixing hole; 14. mounting block; 15. side fixing port; 16. servo motor; 17. reducer; 18. driving gear; 19. motor frame; 20. bottom fixing block; 21. mounting frame; 22. reinforcement port; 23. fitting gasket; 24. slewing table; 25. driving groove. 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 1-3 , the utility model provides a technical solution:

[0024] A novel vehicle follow-up steering device comprises a device body 1, wherein the device body 1 comprises a first follow-up steering device 2, a second follow-up steering device 3 and a support table 4, wherein the first follow-up steering device 2 and the second follow-up steering device 3 are distributed in a laterally equidistant manner, and the support table 4 is located directly above the first follow-up steering device 2 and the second follow-up steering device 3;

[0025] As a preferred embodiment of the utility model, the first follow-up steering device 2 and the second follow-up steering device 3 both include a rotating base device 5, a support frame 6, a driving device 7, a drum support seat 8 and a drum 9, the support frame 6 is installed on the top of the rotating base device 5, the driving device 7 is fixed to the side of the support frame 6, and the drum support seat 8 is provided in a group, and a group of the drum support seats 8 are symmetrically installed on the top of the support frame 6, and the drum 9 is installed between a group of drum support seats 8. When in use, the staff drives the car onto the support table 4, and then the front wheels of the car are supported on the top of the first follow-up steering device 2 and the second follow-up steering device 3 respectively for testing.

[0026] As a preferred embodiment of the utility model, the rotating base device 5 includes a stable base plate 10, a slewing bearing 11 and a follower gear 12. The slewing bearing 11 is installed on the top of the stable base plate 10. The follower gear 12 is a circular ring structure. The follower gear 12 is fixed on the outside of the slewing bearing 11. When in use, the follower gear 12 is driven, which can further drive the slewing bearing 11 in the follower gear 12 to rotate, and the slewing bearing 11 can drive the support frame 6 and the components on the top of the support frame 6 to rotate.

[0027] As a preferred embodiment of the utility model, the stable base plate 10 is in an H-shaped structure, and a plurality of fixing holes 13 are provided on the surface of the stable base plate 10. When installing the device body 1, the staff fits the stable base plate 10 in the group Hadong base 5 to the installation point, and the staff inserts bolts into the fixing holes 13 of the stable base plate 10 to further fix the H-structured stable base plate 10. The H-structured stable base plate 10 can reduce material costs and improve stability.

[0028] As a preferred embodiment of the present utility model, the support frame 6 is in a rectangular structure, and mounting blocks 14 are provided on both sides of the support frame 6. The mounting blocks 14 are in a trapezoidal structure, and a plurality of side fixing ports 15 are provided on the surface of the mounting blocks 14. The mounting blocks 14 on the left and right sides of the left frame 6 are for installing a group of drum support seats 5, and the mounting blocks 14 on one side are for facilitating the installation of the driving device 7.

[0029] As a preferred embodiment of the utility model, the driving device 7 includes a servo motor 16, a reducer 17 and a driving gear 18, the reducer 17 is installed at the driving end of the servo motor 16, the driving gear 18 is installed at the bottom driving end of the reducer 17, the driving gear 18 is meshed with the follower gear 12, and the servo motor 16, the reducer 17 and the driving gear 18 are connected to form an L-shaped structure. During driving, the staff starts the servo motor 17, the driving end of the servo motor 17 drives the reducer 17 to rotate, the reducer 17 drives the driving gear 18 to rotate, and the driving gear 18 drives the follower gear 12 to rotate, and further drives the support frame 6 on the slewing bearing 11 to rotate.

[0030] As a preferred embodiment of the present utility model, a motor frame 19 is provided on the rear side of the reducer 17. The motor frame 19 is in an L-shaped structure. A side fixing port 15 is provided on the surface of the motor frame 19. The rear end of the motor frame 19 is fixed on the mounting block 14. The motor frame 19 is used to fix and install the reducer 17 and the servo motor 16.

[0031] As a preferred embodiment of the present utility model, the drum support seat 8 includes a bottom fixing block 20 and a mounting frame 21, and the bottom fixing block 20 and the mounting frame 21 are both smoothly transitioned and integrally processed structures. The bottom fixing block 20 is located at the bottom of the mounting frame 21, the top of the mounting frame 21 is an arc-shaped structure and the bottom is a rectangular structure, and a plurality of groups of reinforcement openings 22 are opened at the bottom of the mounting frame 21. The bottom fixing block 20 is a rectangular structure, and a fitting gasket 23 is provided at the bottom of the bottom fixing block 20. The fitting gasket 23 is made of rubber. A group of drum support seats 8 is for facilitating the installation of the drum 9 and facilitating the rotation of the drum 9. The fitting gasket 23 at the bottom of the bottom fixing block 20 is for achieving shock absorption and improving the density of the installation machine.

[0032] As a preferred embodiment of the utility model, the support table 4 is in a rectangular structure, and a revolving table 24 is provided on the surface of the support table 4. A driving groove 25 is opened on the surface of the revolving table 24. When in use, the car will drive into the support table 4, which is further convenient for testing. The driving groove 25 on the revolving table 24 is for facilitating the contact and testing of the car tire with the drum 9.

[0033] Working principle: the staff drives the car onto the support table 4, and then the front wheels of the car are supported on the top of the first follow-up steering device 2 and the second follow-up steering device 3 for testing. The car tires will be directly located on the top of the drum 9 in the first follow-up steering device 2 and the second follow-up steering device 3. The staff starts the tires of the vehicle to perform a drive test on the drum 9. The staff turns the steering wheel of the car, and then the car tires can rotate. When the tires rotate, the drum 9 at the bottom can rotate synchronously with the car tires. When driving the drum 9, the staff starts the servo motor 17, and the driving end of the servo motor 17 drives the reducer 17 to rotate, and the reducer 17 drives the driving gear 18 to rotate. The driving gear 18 drives the follower gear 12 to rotate, and further drives the support frame 6 on the slewing bearing 11 to rotate, and the drum 9 in a group of drum support seats 8 on the support device 6 can be steered.

[0034] 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 novel vehicle follow-up steering device, characterized in that: The device comprises a device body (1), wherein the device body (1) comprises a first follow-up steering device (2), a second follow-up steering device (3) and a support table (4), wherein the first follow-up steering device (2) and the second follow-up steering device (3) are distributed in a transversely equidistant manner, and the support table (4) is located directly above the first follow-up steering device (2) and the second follow-up steering device (3); The first follow-up steering device (2) and the second follow-up steering device (3) both comprise a rotating base device (5), a supporting frame (6), a driving device (7), a drum supporting seat (8) and a drum (9), wherein the supporting frame (6) is mounted on the top of the rotating base device (5), the driving device (7) is fixed on the side of the supporting frame (6), a group of drum supporting seats (8) is provided, and a group of drum supporting seats (8) is symmetrically mounted on the top of the supporting frame (6), and the drum (9) is mounted between a group of drum supporting seats (8).

2. A novel vehicle follow-up steering device according to claim 1, characterized in that: The rotating base device (5) comprises a stable base plate (10), a slewing bearing (11) and a follower gear (12); the slewing bearing (11) is mounted on the top of the stable base plate (10); the follower gear (12) is in a circular ring structure; and the follower gear (12) is fixed on the outside of the slewing bearing (11).

3. A novel vehicle follow-up steering device according to claim 2, characterized in that: The stable bottom plate (10) is in an H-shaped structure, and a plurality of groups of fixing holes (13) are provided on the surface of the stable bottom plate (10).

4. The novel vehicle follow-up steering device according to claim 1 is characterized in that: The support frame (6) is in a rectangular structure. Both left and right sides of the support frame (6) are provided with mounting blocks (14). The mounting blocks (14) are in a trapezoidal structure. The surface of the mounting blocks (14) is provided with a plurality of side fixing openings (15).

5. The novel vehicle follow-up steering device according to claim 2 is characterized in that: The driving device (7) comprises a servo motor (16), a speed reducer (17) and a driving gear (18); the speed reducer (17) is mounted on the driving end of the servo motor (16); the driving gear (18) is mounted on the bottom driving end of the speed reducer (17); the driving gear (18) is meshed with the follower gear (12); and the servo motor (16), the speed reducer (17) and the driving gear (18) are connected to form an L-shaped structure.

6. The novel vehicle follow-up steering device according to claim 5 is characterized in that: A motor frame (19) is arranged at the rear side of the reducer (17), the motor frame (19) is in an L-shaped structure, a side fixing opening (15) is opened on the surface of the motor frame (19), and the rear end of the motor frame (19) is fixed on the mounting block (14).

7. The novel vehicle follow-up steering device according to claim 1 is characterized in that: The rotary drum support seat (8) comprises a bottom fixing block (20) and a mounting frame (21); the bottom fixing block (20) and the mounting frame (21) are both smoothly transitioned and integrally processed structures; the bottom fixing block (20) is located at the bottom of the mounting frame (21); the top of the mounting frame (21) is an arc-shaped structure and the bottom is a rectangular structure; a plurality of groups of reinforcement openings (22) are provided at the bottom of the mounting frame (21); the bottom fixing block (20) is a rectangular structure; a fitting gasket (23) is provided at the bottom of the bottom fixing block (20); the fitting gasket (23) is made of rubber.

8. The novel vehicle follow-up steering device according to claim 1 is characterized in that: The support table (4) is in a rectangular structure, a rotating table (24) is provided on the surface of the support table (4), and a driving groove (25) is provided on the surface of the rotating table (24).

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