CN221006720U - Radar vibration performance test fixture - Google Patents

Abstract

The utility model provides a radar vibration performance testing tool, which relates to the technical field of vehicle-mounted radar testing and comprises a bottom plate and a box body, wherein supporting rods are fixedly connected to corners of the upper surface of the bottom plate, a partition plate is fixedly connected between the upper end faces of the supporting rods, connecting rods are fixedly connected to corners of the upper surface of the partition plate, a top plate is fixedly connected between the upper end faces of the connecting rods, a motor is fixedly connected to the lower surface of the partition plate, and an output end of the motor penetrates through the partition plate in a sliding mode. According to the utility model, when the vibration performance test is carried out on the radar, the simulation block can simulate the state of the road surface running roughness for the universal wheel when rotating, and when the universal wheel falls into the groove or runs through the convex block, the radar placed in the separation box can drive the box body to simulate irregular jolt on the universal wheel, so that the vibration performance test device can be better attached to the vibration condition in actual use, and the accuracy of the vibration performance test is improved.

Description

Radar vibration performance test fixture

Technical Field

The utility model relates to the technical field of vehicle-mounted radar testing, in particular to a radar vibration performance testing tool.

Background

The vibration test of the vehicle-mounted radar is to test the vibration resistance of the vehicle-mounted radar in the use process, and the vehicle-mounted radar equipment usually needs to work under various road conditions and vibration conditions, so that the vibration test needs to be performed to ensure the normal work and prolong the service life of the vehicle-mounted radar equipment.

In the prior art, when using vibration test frock to carry out vibration test to the radar, adopt the fixed radar of vibration dish that installs vibrating motor generally to carry out vibration test, in the test procedure, vibration frequency fluctuation that vibrating motor produced is less, vibration amplitude is less, can not fine simulation go out the jolt vibration that the in-process of driving of vehicle appears through various road conditions, so can not be accurate learn the anti vibration performance of radar, has influenced the accuracy of vibration performance test.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, when a vibration test tool is used for vibration test of a radar, a vibration disc provided with a vibration motor is usually used for vibration test after the radar is fixed, in the test process, vibration frequency fluctuation generated by the vibration motor is small, vibration amplitude is small, jolt vibration generated by various road conditions in the running process of a vehicle cannot be well simulated, so that the vibration resistance of the radar cannot be accurately known, and the accuracy of the vibration performance test is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a radar vibration performance test fixture, includes bottom plate and box body, equal fixedly connected with bracing piece of bottom plate upper surface corner, a plurality of fixedly connected with baffle between the bracing piece up end, baffle upper surface corner fixedly connected with connecting rod, a plurality of fixedly connected with roof between the connecting rod up end, fixedly connected with motor under the baffle, motor output and baffle slip run through, motor output fixedly connected with pivot, pivot terminal surface fixedly connected with rolling disc, the circular slot has been seted up to the rolling disc upper surface, circular slot inner bottom fixedly connected with analog block, a plurality of recesses have been seted up to analog block upper surface, analog block upper surface fixedly connected with a plurality of lugs, the even fixedly connected with ball cover of box body lower surface, a plurality of inside all being provided with of ball cover, a plurality of equal fixedly connected with mounting panel of ball lower surface, a plurality of the equal fixedly connected with telescopic link of mounting panel lower surface, a plurality of the telescopic link surface all overlaps and is equipped with the spring, a plurality of the equal fixedly connected with universal of telescopic link lower terminal surface.

Preferably, a chute is formed in the upper surface of the partition board, a plurality of sliding rods are uniformly and slidably connected to the inner surface of the chute, and the upper end faces of the sliding rods are fixedly connected with the lower surface of the rotating disc.

Preferably, a plurality of through holes are uniformly formed in the upper surface of the top plate, and the springs are located at the inner side positions of the through holes.

Preferably, the universal wheel is positioned at the inner side of the circular groove and close to the upper side of the simulation block.

Preferably, the grooves and the bumps are staggered.

Preferably, a plurality of separation boxes are uniformly arranged at the bottom in the box body, and the upper surface of the box body is connected with a cover plate through a hinge.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, when the vibration performance test is carried out on the radar, the simulation block can simulate the state of the road surface running roughness for the universal wheel when rotating, and when the universal wheel falls into the groove or runs through the convex block, the radar placed in the separation box can drive the box body to simulate irregular jolt on the universal wheel, so that the vibration performance test device can be better attached to the vibration condition in actual use, and the accuracy of the vibration performance test is improved.

2. According to the utility model, through the matching arrangement of the plurality of separation boxes and the cover plate, a plurality of radars can be placed in the separation boxes for simultaneously testing vibration performance, so that the practicability of the device is improved.

Drawings

Fig. 1 is a perspective view of a radar vibration performance testing tool according to the present utility model;

fig. 2 is a bottom view of a radar vibration performance testing tool according to the present utility model;

FIG. 3 is a schematic diagram of a simulation block structure of a radar vibration performance testing tool according to the present utility model;

fig. 4 is a schematic diagram of a box structure of a radar vibration performance testing tool according to the present utility model.

Legend description: 1. a bottom plate; 2. a support rod; 3. a partition plate; 4. a connecting rod; 5. a top plate; 6. a motor; 7. a rotating shaft; 8. a rotating disc; 9. a circular groove; 10. a simulation block; 11. a groove; 12. a bump; 13. a chute; 14. a slide bar; 15. a case body; 16. a partition box; 17. a cover plate; 18. a ball sleeve; 19. ball head; 20. a mounting plate; 21. a telescopic rod; 22. a spring; 23. and a universal wheel.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-4, The utility model provides a radar vibration performance testing tool, which comprises a bottom plate 1 and a box body 15, wherein the corners of the upper surface of the bottom plate 1 are fixedly connected with support rods 2, a partition plate 3 is fixedly connected between the upper end faces of the support rods 2, the corners of the upper surface of the partition plate 3 are fixedly connected with connecting rods 4, a top plate 5 is fixedly connected between the upper end faces of the connecting rods 4, a motor 6 is fixedly connected to the lower surface of the partition plate 3, the output end of the motor 6 penetrates through the partition plate 3 in a sliding manner, a rotating shaft 7 is fixedly connected to the output end of the motor 6, a rotating disc 8 is fixedly connected to the end face of the rotating disc 7, a circular groove 9 is formed in the upper surface of the rotating disc 8, a simulation block 10 is fixedly connected to the inner bottom of the circular groove 9, a plurality of grooves 11 are formed in the upper surface of the simulation block 10, a plurality of bumps 12 are fixedly connected to the upper surface of the simulation block 10, ball sleeves 18 are uniformly and fixedly connected to the lower surface of the box body 15, ball sleeves 18 are respectively arranged in the ball sleeves 18, a plurality of ball heads 19 are respectively fixedly connected to the lower surfaces of the mounting plates 20, a telescopic rod 21 is fixedly connected to the lower surfaces of the plurality of the mounting plates 20, the outer surfaces of the telescopic rod 21 are respectively, the outer surfaces of the plurality of the ball sleeves 21 are respectively arranged on the outer surfaces of the ball sleeves 21 and the inner sides of the round grooves 22 are uniformly arranged at positions close to the inner sides of the circular groove 23, the upper surfaces of the circular groove 23 and the upper surfaces of the circular groove 23 are uniformly, the upper surfaces of the circular groove 23 are uniformly arranged on the inner sides of the round grooves and the upper surfaces of the round grooves and the upper surfaces of the round grooves are respectively, and the upper surfaces of the upper grooves are arranged.

The effect that its whole embodiment 1 reaches is, when need carry out vibration performance test to the radar, put into the back cover plate 17 in the separation box 16 with the radar, starter motor 6 can drive pivot 7 and rotate, can drive the analog block 10 in rolling disc 8 and the circular slot 9 through the rotation of pivot 7, when rolling disc 8 and analog block 10 rotate, universal wheel 23 can rotate with analog block 10 as the support, through the setting of a plurality of irregular recesses 11 of analog block 10 upside and lug 12, when analog block 10 rotates, can simulate out the rugged state of road surface to universal wheel 23, universal wheel 23 is sunk in recess 11 or is when the lug 12 is passed in the running, through the connection of bulb 19 and ball cover 18, mounting panel 20 and box body 15 are free rotation connection, the setting of cooperation telescopic link 21 makes box body 15 can be in the uneven state, can increase the jolt of box body 15 when the telescopic link 21 stretches out and draws back through the setting of spring 22, the radar that places in the separation box 16 can drive out and draws back the rugged state at universal wheel 23, thereby the vibration performance test that can be more accurate in the realization vibration performance test.

In embodiment 2, as shown in fig. 1-4, a chute 13 is provided on the upper surface of the partition board 3, a plurality of slide bars 14 are uniformly and slidably connected to the inner surface of the chute 13, the upper end surfaces of the slide bars 14 are fixedly connected to the lower surface of the rotating disc 8, a plurality of separation boxes 16 are uniformly provided in the inner bottom of the box 15, and a cover plate 17 is connected to the upper surface of the box 15 through a hinge.

The effect that its whole embodiment 2 reached is, and slide bar 14 can follow and slide in spout 13 when rolling disc 8 rotates, has played the supporting role to rolling disc 8's bottom, through the cooperation setting of a plurality of separation boxes 16 and apron 17, can place a plurality of radars and carry out vibration performance test simultaneously in separation box 16, has promoted the practicality of device.

Working principle: when the vibration performance test is required to be carried out on the radar, the radar is put into the separation box 16, the cover plate 17 is covered, the starting motor 6 can drive the rotating shaft 7 to rotate, the rotating disc 8 and the simulation block 10 in the circular groove 9 can be driven to rotate through the rotation of the rotating shaft 7, when the rotating disc 8 and the simulation block 10 rotate, the universal wheel 23 can rotate by taking the simulation block 10 as a support, the state of uneven road surface running can be simulated on the universal wheel 23 through the arrangement of a plurality of irregular grooves 11 and the convex blocks 12 on the upper side of the simulation block 10 when the simulation block 10 rotates, when the universal wheel 23 is sunk into the grooves 11 or runs through the convex blocks 12, the mounting plate 20 is connected with the box body 15 in a free rotation way through the connection of the ball head 19 and the ball sleeve 18, the setting of cooperation telescopic link 21 makes box body 15 can be in the state of unevenness, can increase the jolt of box body 15 when making telescopic link 21 flexible emergence deformation through the setting of spring 22, the radar of placing in separating box 16 can drive box body 15 at universal wheel 23 and simulate out irregular jolt, thereby the vibration condition in the reality use of laminating that can be better has promoted the accuracy of vibration performance test, slide bar 14 can follow in spout 13 when rotating disk 8 rotates and slide, the supporting role has been played to the bottom of rotating disk 8, through the cooperation setting of a plurality of separation boxes 16 and apron 17, can place a plurality of radars and carry out vibration performance test simultaneously in separating box 16, the practicality of device has been promoted.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a radar vibration performance test fixture, includes bottom plate (1) and box body (15), its characterized in that: the utility model discloses a telescopic device, including bottom plate (1), connecting rod (4), motor (6) output and baffle (3), motor (6) output fixedly connected with pivot (7), pivot (7) terminal surface fixedly connected with rolling disc (8), circular slot (9) have been seted up to rolling disc (8) upper surface, circular slot (9) bottom fixedly connected with analog block (10), a plurality of recesses (11) have been seted up to analog block (10) upper surface, analog block (10) upper surface fixedly connected with a plurality of lugs (12), box (15) lower surface evenly fixedly connected with ball cover (18), a plurality of ball cover (18) inside all are provided with ball head (19), a plurality of mounting panel (20) are all connected with under the surface of telescopic device under fixed surface (20), the outer surfaces of the telescopic rods (21) are sleeved with springs (22), and the lower end surfaces of the telescopic rods (21) are fixedly connected with universal wheels (23).

2. The radar vibration performance testing tool according to claim 1, wherein: the upper surface of the partition plate (3) is provided with a sliding groove (13), the inner surface of the sliding groove (13) is uniformly and slidably connected with a plurality of sliding rods (14), and the upper end surfaces of the sliding rods (14) are fixedly connected with the lower surface of the rotating disc (8).

3. The radar vibration performance testing tool according to claim 1, wherein: a plurality of through holes are uniformly formed in the upper surface of the top plate (5), and the springs (22) are located at the inner side of the through holes.

4. The radar vibration performance testing tool according to claim 1, wherein: the universal wheel (23) is positioned at the inner side of the circular groove (9) and is close to the upper side of the simulation block (10).

5. The radar vibration performance testing tool according to claim 1, wherein: the grooves (11) and the bumps (12) are arranged in a staggered manner.

6. The radar vibration performance testing tool according to claim 1, wherein: a plurality of separation boxes (16) are uniformly arranged in the box body (15), and a cover plate (17) is connected to the upper surface of the box body (15) through a hinge.