Multi-station hydro-pneumatic spring test board

Abstract

The utility model provides a multi-station hydro-pneumatic spring test board, which is used for detecting and verifying the reliability and durability of hydro-pneumatic springs, and is characterizedin that a stand column and a driving cylinder are arranged between a platform and a cross beam, and the stand column can be screwed in and out through an internal stud to lift and lower the cross beam; longitudinal beams are symmetrically arranged on the two sides of the stand column and the cross beam, upper flanges are arranged on the longitudinal beams, lower flanges are arranged at the positions, corresponding to the upper flanges of the longitudinal beams, of the platform, and the upper flanges and the lower flanges form six stations. The hydro-pneumatic suspension is arranged between theupper flange and the lower flange; the extension and retraction of the piston rod of the driving cylinder push the cross beam to swing up and down by taking the stand column as a fulcrum to perform sine wave floating, so that the hydro-pneumatic spring can float up and down, a full-stroke running-in experiment is achieved, and the reliability and durability of the hydro-pneumatic spring before installation are tested and verified.

Description

Technical field: [0001] The technology is a multi-station test equipment for testing and verifying oil-gas springs, and specifically relates to a multi-station oil-gas spring test bench. Background technique: [0002] Oil-pneumatic spring is a new technology for vehicle and railway shock absorption. The shock absorption and buffering play a decisive key part in the application of vehicles and railways, and are directly related to the normal operation and safety of vehicle performance. After the oil and gas spring is assembled, it is necessary to carry out a running-in dynamic load test to detect the change of damping and friction, so as to judge whether the oil and gas spring meets the requirements of the installation. [0003] At present, the running-in dynamic load test of oil and gas springs is carried out by running with the vehicle on the test line of the proving ground after loading. The efficiency is low, the cost is high, the test cycle is long, there are potential s...

AI Technical Summary

Problems solved by technology

[0003] At present, the running-in dynamic load test of oil and gas springs is carried out by running with the vehicle on the test line of the proving ground after loading. The efficiency is low, the cost is high, the test cycle is long, there are potential safety hazards, and heavy-duty high-speed tests cannot be carried out. With the rapid development and increase of large-tonnage heavy vehicles, the number and stability of oil-gas springs are required to be higher and higher. There is an urgent need for an equipment that can perform damping and friction change tests of oil-gas springs on a laboratory bench.

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