CN218002925U

CN218002925U - Durability test device for motor vehicle steering mechanism

Info

Publication number: CN218002925U
Application number: CN202221664970.8U
Authority: CN
Inventors: 杨瑞超; 童浩
Original assignee: Jiangsu Jiashide Testing Technology Co ltd
Current assignee: Jiangsu Jiashide Testing Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-09
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a motor vehicle steering mechanism durability test device, the on-line screen storage device comprises a base, direct current motor is installed to one side of base, direct current motor's output shaft and the one end fixed connection of driving shaft, the bearing roller is evenly installed to the inside wall of base, the lateral wall of driving shaft and bearing roller is equipped with the test strip, the upper surface in test strip is equipped with the tester, the internally mounted of tester has steering mechanism, steering mechanism fixed connection is between two clamp splices, clamp splice fixed connection is in the lower surface of slide bar, slide bar sliding connection is in the lower surface of slide, slide sliding connection is in the bottom of bracing piece. The supporting rod is driven to rotate by the testing motor, the steering mechanism is made to rotate repeatedly, the durability of the steering mechanism is tested, the testing belt can move, the performance of the steering mechanism under different road conditions is simulated through relative movement between the testing belt and the tester, and the testing accuracy is improved.

Description

Durability test device for motor vehicle steering mechanism

Technical Field

The utility model relates to an automotive test technical field specifically is motor vehicle steering mechanism durability test device.

Background

In the automobile detection, in order to determine the technical condition or the working capacity of the automobile, parts of the automobile gradually wear, corrode, deform and age along with the prolonging of the service time (or the increase of the driving mileage) in the using process of the automobile, and the deterioration of lubricating oil and the like cause the increase of matching auxiliary gaps, and loose movement, vibration, sound, air leakage, water leakage, oil leakage and the like are caused, so that the technical performance of the automobile is reduced.

The invention is disclosed in China: CN214930070U discloses a motor vehicle steering wheel steering angle steering force detector, including detector body and disc, the detector body is installed in the upper end of disc, and the bottom of disc and the position that corresponds the lead screw all are provided with stop gear, and its advantage lies in can be in step and utilize the arc piece to press from both sides tightly fixedly to the steering wheel fast, and it is convenient to install to can also make the detector body by the middle part of automatically regulated to the steering wheel.

However, the device cannot test the durability of the steering mechanism of the steering wheel of the motor vehicle in the using process, is short of a performance test of the steering wheel after long-term use, and is also short of a steering function test of the steering wheel on different road conditions, so that the test of the steering mechanism of the motor vehicle is incomplete, and therefore, the durability test device of the steering mechanism of the motor vehicle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor vehicle steering mechanism durability test device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: motor vehicle steering mechanism durability test device, the on-line screen storage device comprises a base, direct current motor is installed to one side of base, direct current motor's output shaft and the one end fixed connection of driving shaft, the bearing roller is evenly installed to the inside wall of base, the lateral wall of driving shaft and bearing roller is equipped with the test strip, the upper surface in test strip is equipped with the tester, the internally mounted of tester has steering mechanism, steering mechanism fixed connection is between two clamp splices, clamp splice fixed connection is in the lower surface of slide bar, slide bar sliding connection is in the lower surface of slide, slide sliding connection is in the bottom of bracing piece, the upper surface of bracing piece and test motor's output shaft fixed connection.

As further preferable in the present technical solution: the last fixed surface of base is connected with the support column, step motor is installed to one side of support column, step motor's one side fixedly connected with crossbeam is kept away from to the support column.

As further preferable in the present technical solution: the lower surface of crossbeam is seted up flutedly, step motor's output shaft and the one end fixed connection of threaded rod, the threaded rod rotates to be connected in the inside wall of recess, the lateral wall sliding connection of threaded rod has the slider.

As a further preferred aspect of the present invention: the lower fixed surface of slider is connected with the supporting seat, the test motor is installed in the lower surface of supporting seat.

As further preferable in the present technical solution: a servo motor is installed at one end of the supporting rod, and an output shaft of the servo motor is fixedly connected with one end of the bidirectional screw rod.

As a further preferred aspect of the present invention: the outer side wall of the bidirectional screw rod is symmetrically connected with two sliding plates.

As a further preferred aspect of the present invention: the outer side wall of the sliding rod is sleeved with a spring, the upper end of the spring is fixedly connected with the bottom of the sliding plate, and the lower end of the spring is fixedly connected with the top of the clamping block.

As further preferable in the present technical solution: and one side of the clamping block is provided with a limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: drive the bracing piece through test motor and rotate, make steering mechanism rotate repeatedly, test steering mechanism's durability to in order to know the situation of steering mechanism after long-term the use, can open DC motor simultaneously, drive the driving shaft and rotate, make the test area motion, through relative motion between test area and the tester, the performance of simulation steering mechanism under the road conditions of difference, accomplish the comprehensive test to steering mechanism, make the tester know more deeply to steering mechanism's performance, improve the degree of accuracy of test.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the cross beam of the present invention;

fig. 4 is an enlarged schematic view of the support rod of the present invention;

fig. 5 is a schematic view of the bottom enlarged structure of the support rod of the present invention.

In the figure: 11. a base; 12. a direct current motor; 13. a drive shaft; 14. a carrier roller; 15. a test strip; 16. a support pillar; 17. a stepping motor; 18. a cross beam; 19. a tester; 20. a steering mechanism; 21. a groove; 22. a threaded rod; 23. a slider; 24. a supporting seat; 25. testing the motor; 26. a support bar; 27. a servo motor; 28. a slide plate; 29. a slide bar; 30. a spring; 31. a clamping block; 32. a limiting groove; 33. two-way lead screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: motor vehicle steering mechanism endurance test device, including base 11, direct current motor 12 is installed to one side of base 11, direct current motor 12's output shaft and the one end fixed connection of driving shaft 13, bearing roller 14 is evenly installed to the inside wall of base 11, the lateral wall of driving shaft 13 and bearing roller 14 is equipped with test strip 15, the upper surface of test strip 15 is equipped with tester 19, the internally mounted of tester 19 has steering mechanism 20, steering mechanism 20 fixed connection is between two clamp splice 31, clamp splice 31 fixed connection is in the lower surface of slide bar 29, slide bar 29 sliding connection is in the lower surface of slide 28, slide 28 sliding connection is in the bottom of bracing piece 26, the upper surface of bracing piece 26 and the output shaft fixed connection of test motor 25.

In this embodiment, specifically: the upper surface of base 11 is fixedly connected with support column 16, and step motor 17 is installed to one side of support column 16, and one side fixedly connected with crossbeam 18 that step motor 17 was kept away from to support column 16.

In this embodiment, specifically: the lower surface of the cross beam 18 is provided with a groove 21, an output shaft of the stepping motor 17 is fixedly connected with one end of a threaded rod 22, the threaded rod 22 is rotatably connected with the inner side wall of the groove 21, and the outer side wall of the threaded rod 22 is slidably connected with a sliding block 23; through the arrangement, when the stepping motor 17 works, the threaded rod 22 is driven to rotate, and the sliding block 23 slides on the surface of the threaded rod 22.

In this embodiment, specifically: the lower fixed surface of slider 23 is connected with supporting seat 24, and test motor 25 installs in the lower surface of supporting seat 24, and when slider 23 slided, drive supporting seat 24 and test motor 25 and move together, and steering mechanism 20 is conveniently installed, and under the circumstances of not using direct current motor 12, also can make relative motion between tester 19 and the test area 15 through step motor 17 simultaneously, accomplishes the capability test of simulation steering mechanism 20 under different road conditions.

In this embodiment, specifically: the servo motor 27 is installed at one end of the supporting rod 26, the output shaft of the servo motor 27 is fixedly connected with one end of the bidirectional screw rod 33, the bidirectional screw rod 33 is driven to rotate through the servo motor 27, and the two sliding blocks 23 can move relatively or reversely in the rotating process due to the fact that the directions of threads on the two sides of the bidirectional screw rod 33 are opposite.

In this embodiment, specifically: the outer side wall of the bidirectional screw rod 33 is symmetrically connected with two sliding plates 28, the steering wheel is clamped through the relative movement of the two sliding plates 28, the two sliding plates 28 move reversely when being loosened, the operation is convenient, the steering mechanism is suitable for steering mechanisms 20 with different sizes, and the universality is strong.

In this embodiment, specifically: the outer side wall of the sliding rod 29 is sleeved with a spring 30, the upper end of the spring 30 is fixedly connected with the bottom of the sliding plate 28, the lower end of the spring 30 is fixedly connected with the top of the clamping block 31, the spring 30 is matched with the sliding rod 29, when uneven road conditions are simulated, the sliding rod 29 is stressed to slide, the spring 30 is stressed to compress, and vibration of the device is reduced.

In this embodiment, specifically: limiting groove 32 is opened to one side of clamp splice 31, and limiting groove 32 is the arc wall, prevents to break away from steering mechanism 20 in the test procedure.

The working principle or the structural principle is that when the tester is used, the steering mechanism 20 is installed inside the tester 19, the stepping motor 17 is started to enable the threaded rod 22 to rotate, the position of the clamping block 31 is adjusted through the movement of the sliding block 23, the servo motor 27 is started after the clamping block 31 is in a proper position, the bidirectional screw rod 33 is enabled to rotate, the two clamping blocks 31 move relatively during rotation, the steering mechanism 20 is clamped, the test motor 25 is started after clamping, the supporting rod 26 and the steering mechanism 20 are driven to rotate repeatedly, the durability of the steering mechanism 20 is tested, when the performance of the steering mechanism 20 under different road conditions needs to be known, the proper test belt 15 is selected as required, the direct current motor 12 is started to enable the driving shaft 13 to rotate and drive the test belt 15 to move, the carrier roller 14 plays a role in auxiliary movement during movement, the working state of the steering mechanism 20 under different road conditions is simulated through the relative movement between the test belt 15 and the tester 19, more detailed performance parameters are obtained, and the tester 19 is driven to move through the cooperation of the stepping motor 17 and the threaded rod 22, so that the simulation experiment is more real and the obtained data are more accurate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Motor vehicle steering mechanism durability test device, including base (11), its characterized in that: direct current motor (12) are installed to one side of base (11), the output shaft of direct current motor (12) and the one end fixed connection of driving shaft (13), bearing roller (14) are evenly installed to the inside wall of base (11), the lateral wall of driving shaft (13) and bearing roller (14) is equipped with test strip (15), the upper surface of test strip (15) is equipped with tester (19), the internally mounted of tester (19) has steering mechanism (20), steering mechanism (20) fixed connection is between two clamp splice (31), clamp splice (31) fixed connection is in the lower surface of slide bar (29), slide bar (29) sliding connection is in the lower surface of slide bar (28), slide bar (28) sliding connection is in the bottom of bracing piece (26), the upper surface of bracing piece (26) and the output shaft fixed connection of test motor (25).

2. The motor vehicle steering mechanism durability test device according to claim 1, characterized in that: the upper surface of base (11) fixed connection has support column (16), step motor (17) are installed to one side of support column (16), one side fixedly connected with crossbeam (18) of step motor (17) are kept away from in support column (16).

3. The motor vehicle steering mechanism durability test device according to claim 2, characterized in that: the lower surface of crossbeam (18) is seted up flutedly (21), the output shaft of step motor (17) and the one end fixed connection of threaded rod (22), threaded rod (22) rotate to be connected in the inside wall of recess (21), the lateral wall sliding connection of threaded rod (22) has slider (23).

4. The motor vehicle steering mechanism durability test device according to claim 3, characterized in that: the lower surface of slider (23) is fixedly connected with supporting seat (24), test motor (25) are installed in the lower surface of supporting seat (24).

5. The motor vehicle steering mechanism durability test device according to claim 1, characterized in that: a servo motor (27) is installed at one end of the supporting rod (26), and an output shaft of the servo motor (27) is fixedly connected with one end of the bidirectional screw rod (33).

6. The motor vehicle steering mechanism durability test device according to claim 5, characterized in that: the outer side wall of the bidirectional screw rod (33) is symmetrically connected with two sliding plates (28).

7. The motor vehicle steering mechanism durability test device according to claim 6, characterized in that: the outer side wall of the sliding rod (29) is sleeved with a spring (30), the upper end of the spring (30) is fixedly connected with the bottom of the sliding plate (28), and the lower end of the spring (30) is fixedly connected with the top of the clamping block (31).

8. The motor vehicle steering mechanism durability test device according to claim 7, characterized in that: and one side of the clamping block (31) is provided with a limiting groove (32).