CN-224231278-U - Anti-collision testing device for automobile bumper

Abstract

The utility model discloses an automobile bumper anti-collision test device, and belongs to the field of automobile bumper tests. The utility model relates to an automobile bumper anti-collision test device which comprises a base, wherein an impact block is arranged in the middle of the upper end of the base, a first clamping block is arranged at one end of the impact block, and first idler wheels are arranged on two sides of the impact block. The utility model solves the problems that the sliding position of the impact block and the adsorption position of the electromagnetic block deviate far in the testing process of the existing automobile bumper impact testing device, the adsorption position of the electromagnetic block is far away from the power storage spring, and the impact block is easy to bend and damage.

Inventors

• TAN ZHI
• ZHOU YUJIN
• LIN YUHAN
• QIAN HUI

Assignees

• 南通理工学院

Dates

Publication Date

20260512

Application Date

20250718

Priority Date

20250512

Claims (8)

1. 1. The utility model provides an automobile bumper anticollision testing device, includes base (12), the centre of base (12) upper end is provided with striking piece (1), the one end of striking piece (1) is provided with first grip block (3), a serial communication port, the both sides of striking piece (1) all are provided with first gyro wheel (7), the upper end of first gyro wheel (7) is provided with second gyro wheel (8), the both sides of striking piece (1) outside all transversely are provided with leading truck (5), two one side of first gyro wheel (7) all is provided with second threaded rod (10), the outside of second threaded rod (10) is provided with screw-thread fit's sliding block (9), the other end of striking piece (1) is provided with electromagnetism piece (2), the both sides of electromagnetism piece (2) all are provided with spring (6).
2. 2. An automobile bumper crash test apparatus as defined in claim 1 wherein said first roller (7) and second roller (8) are both located inside the guide frame (5).
3. 3. The device for testing the collision avoidance of the automobile bumper according to claim 1, wherein the second threaded rod (10) and the sliding block (9) are both positioned in the guide frame (5), and the outer part of the sliding block (9) is connected with the inner sliding clamping groove of the guide frame (5).
4. 4. A bumper crash test apparatus according to claim 3, wherein a third roller (11) is provided on a surface of the slider (9) facing the first roller (7).
5. 5. The device according to claim 4, wherein both ends of the third roller (11) are rotatably connected to the inside of the slider (9).
6. 6. An automobile bumper anti-collision test device according to claim 1, characterized in that the first clamping block (3) is provided with a second clamping block (13) on the side facing the impact block (1) from the outside.
7. 7. The automobile bumper anti-collision test device according to claim 6, wherein a first threaded rod (4) is arranged inside the second clamping block (13) in a penetrating manner, and the outer portion of the first threaded rod (4) is in threaded fit with the inner portion of the first clamping block (3).
8. 8. The automobile bumper anti-collision test device according to claim 1, wherein a piston rod is arranged at the other end of the electromagnetic block (2), and a hydraulic cylinder is arranged at the other end of the electromagnetic block (2).

Description

Anti-collision testing device for automobile bumper Technical Field The utility model relates to the field of automobile bumper testing, in particular to an automobile bumper anti-collision testing device. Background The device measures the energy absorption effect, deformation degree and protection capability of the bumper to passengers by simulating a real collision scene, and the test is usually carried out at different speeds and angles to cover various accident conditions, and the data comprise impact force, displacement and structural integrity, so as to improve the design and meet the safety standard; The Chinese patent with the bulletin number of CN217111394U discloses an automobile bumper impact testing device, which comprises a testing platform, one side of the testing platform is provided with a clamping part for installing a bumper, the other side of the testing platform is provided with a base and an impact part, a hydraulic cylinder is arranged on the base, a piston rod is arranged in the hydraulic cylinder, the bumper is fixed on the clamping part, the impact part is fixed on the piston rod at the same time, the hydraulic cylinder drives the piston rod to stretch out and draw back, thereby adjusting the distance between the impact part and the clamping part, the impact part compresses a power storage spring, after the connection of the impact part and the piston rod is released, the impact part slides along a sliding rod under the action of the power storage spring, an impact block arranged on the impact part can impact the bumper, so that the impact testing effect of the bumper is achieved, after the impact is finished, the hydraulic cylinder drives the piston rod to stretch, and the connection of the impact part and the piston rod is completed. Above-mentioned patent car bumper impact testing arrangement is in the in-process of test, and impact piece sliding position and electromagnetic block adsorption position skew are far away from to electromagnetic block adsorption position also keeps away from the power spring, causes the impact piece crooked and damages easily. Disclosure of utility model The utility model aims to provide an automobile bumper anti-collision test device, wherein two sides of a collision block are supported by a guide frame, and the two sides of the collision block are respectively rotated and supported in corresponding directions by a first roller and a second roller, so that the collision block is stable in the collision and resetting process, and the collision block is uniformly stressed by being matched with the adsorption of the middle position of the rear end of the collision block and the pushing of springs at the two sides, so that the collision block is not bent and broken when in use, and the problems in the background art are solved. In order to achieve the purpose, the automobile bumper anti-collision testing device comprises a base, wherein an impact block is arranged in the middle of the upper end of the base, a first clamping block is arranged at one end of the impact block, first rollers are arranged on two sides of the impact block, second rollers are arranged at the upper end of the first rollers, guide frames are transversely arranged on two sides of the outer portion of the impact block, second threaded rods are arranged on one sides of the two first rollers, sliding blocks matched with threads are arranged on the outer portion of the second threaded rods, an electromagnetic block is arranged at the other end of the impact block, and springs are arranged on two sides of the electromagnetic block. Preferably, the first roller and the second roller are both positioned inside the guide frame. Preferably, the second threaded rod and the sliding block are both positioned in the guide frame, and the outer part of the sliding block is connected with the inner sliding clamping groove of the guide frame. Preferably, a third roller is arranged on one surface, facing the first roller, of the sliding block. Preferably, both ends of the third roller are rotatably connected with the inside of the sliding block. Preferably, a second clamping block is arranged on one surface, facing the impact block, of the outer portion of the first clamping block. Preferably, the inside of second grip block runs through and is provided with first threaded rod, the outside of first threaded rod and the inside screw thread fit of first grip block. Preferably, a piston rod is arranged at the other end of the electromagnetic block, and a hydraulic cylinder is arranged at the other end of the electromagnetic block. Compared with the prior art, the utility model has the following beneficial effects: According to the utility model, after the impact block is pushed by the spring, the impact block collides with the automobile bumper hung at the position of the first clamping block and is tested, the sliding block can be driven to transversely move in the guide frame by rotating the second