Air spring test stand

Abstract

The invention relates to an air spring test bed which comprises a mechanical system, a pneumatic system and an electrical measurement and control system, wherein the mechanical system comprises a worktable, and a bearing device is arranged at the bottom of the worktable; a carrier is arranged on a lower beam at the bottom, and a loading screw mechanism is mounted on a beam at the upper part of the worktable and is arranged rightly above the bearing device; a pressure sensor is arranged in a wind pipe connected with an air inflating mechanism and an air spring to be tested, displacement sensors are respectively arranged on upright posts and connected with the electrical measurement and control system. The carrier arranged on the air spring test bed carries the air spring to be tested to a test position, removes a water tank and a hoisting mechanism of an original test bed, not only solves the problem that the hoisting mechanism can not bear the heavier air spring, but also simplifies the structure of the test bed, and enables the operation to be more convenient and easier so as to test various models of air springs.

Description

technical field [0001] The invention relates to a test device, in particular to a test device for testing the performance test of an air spring of a railway vehicle. Background technique [0002] With the continuous improvement of the speed of railway passenger cars in our country, in order to improve the safety and comfort of train driving, more and more passenger cars use air springs. The quality of air springs directly affects the operating quality and driving safety of passenger cars. After the air spring is overhauled, a pressure holding test and an air tightness test must be carried out. Only after passing the test can it be loaded, and the unqualified air spring must be repaired or replaced. Therefore, it is very necessary to develop an air spring test bench with reliable performance. However, as the types of air springs continue to increase, the shape and specifications also change. For example, the AM96 air spring has high weight and irregular shape. Therefore, my b...

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Problems solved by technology

Therefore, it is very necessary to develop an air spring test bench with reliable performance. However, as the types of air springs continue to increase, the shape and specifications also change. For example, the AM96 air spring has high weight and irregular shape. Therefore, my basis The air spring test bench developed in "Regulations for Depot Maintenance of Type 25 Passenger Cars" and "Regulations for Depot Repair of Double-deck Passenger Cars" has been unable to test all existing air springs

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