Test bench

Abstract

The invention discloses a test bench. The test bench includes a supporting system and a swing hammer system hinged to the supporting system; the swing hammer system comprises a swing rod portion and a swing hammer portion; the swing rod portion includes a first swing rod and a second swing rod; at least one first swing rod and at least one second swing rod are adopted; the swing plane of the first swing rod and the swing plane of the second swing rod are parallel to each other and are not overlapped with each other; the swing hammer portion includes a large swing hammer and a small swing hammer; the large swing hammer is connected with the bottom of the first swing rod and the bottom of the second swing rod; and the small swing hammer is connected with the bottom of the first swing rod or the bottom of the second swing rod. According to the test bench, the large swing hammer and the small swing hammer can be installed selectively according to test types; when simultaneously acting, the first swing rod and the second swing rod can be connected with the large swing hammer, so that an impact test of a front bumper and a back bumper of an automobile can be carried out; when acting alone, the first swing rod or the second swing rod can be connected with the small swing hammer, so that a free impact test can be carried out, and thus, the needs of different test environments can be satisfied.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a combined pendulum test bench for automobile front and rear end bumpers and free impact tests. Background technique [0002] The front and rear protection devices of automobiles (including bumpers, airbags, etc.) are an important part of the automobile body. From the perspective of automobile passive safety, they play a decisive role in low-speed collision, pedestrian and occupant protection. [0003] According to the requirements of "National Standard for Automobile Low-speed Collision (GB17354)" and "Unified Regulations on the Approval of Vehicles with Front and Rear Protective Devices (Bumpers, etc.) (ECE R42)", large The small pendulum is used for the misuse test of the airbag and the free impact test for other self-developed products. [0004] The large pendulum test bench of the prior art can only be equipped with a large pendulum for the bumper impact test, but not a small pendul...

AI Technical Summary

Problems solved by technology

[0005] The problem solved by the invention is that the existing large pendulum test bench can only be equipped with a large pendulum, but not a small pendulum

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