Gas spring environmental simulated fatigue-testing machine

Abstract

The invention relates to an air spring environment simulation fatigue testing machine, comprising a frame, a box body component, a mechanical transmission device, a counterweight device, a hoisting disc and a transmission shaft; the box body component consists of a box body and a box door with heat preservation function; the mechanical transmission device is arranged on the frame and is positioned outside the box body; the motor of the mechanical transmission device is connected with a rotation disc by a reducer; the swing shaft which is arranged on the rotation disc is connected with a sliding block which is arranged in the guide trough of a swing rod; one end of the swing rod is articulated on the supporter of the swing rod; the transmission shaft with a tray is arranged inside the box body; the transmission shaft passes through the box body and is articulated with the other end of the swing rod; the hoisting disc is connected inside the box body and is corresponding to the transmission shaft; the counterweight bracket of the counterweight device is fixed on the top inside the box body; two disc bodies are coaxially arranged on the counterweight bracket; two ends of the steel cables which are arranged in two disc body ring-shaped trough are respectively connected on the counterweight block and the transmission shaft. The air spring environment simulation fatigue testing machine has reasonable structure, does not affect the actuating unit and the transmission mechanism of the testing machine or the service life of the transmission mechanism, and has the advantages of convenient operation and low energy loss.

Description

technical field [0001] The invention relates to a gas spring environment simulation fatigue testing machine, which belongs to the technical field of gas springs. Background technique [0002] The gas spring simulation fatigue testing machine is to simulate the working state of the gas spring, and then test whether the gas spring under test can meet the design requirements. Conventional simulated fatigue testing machines can only perform simulated fatigue tests at room temperature. Since they cannot test the working environment of real gas springs, they cannot ensure the reliability and durability of gas springs under different temperature and environmental conditions. The "compressible gas spring durability test bench" disclosed by CN2615658Y is a test bench placed in a large-scale environmental test chamber, which is composed of an adjustable base, a column, a test piece support and a simulated back door, etc., wherein the column is fixed Welded on the base, the specimen b...

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Problems solved by technology

In addition to the power mechanism, the simulated fatigue testing machine with the above structure, the mechanical transmission mechanism, the simulated back door and the gas spring are all placed in a large environmental test chamber. Since the mechanical transmission mechanism adopts a chain transmission mechanism, the alternating ambient temperature also affects the chain transmission. mechanism and the service life of the action mechanism such as the analog back door

On the other hand, since the test bench needs to be placed in a large-scale environmental test chamber, if the temperature in the environmental test chamber is to reach the high and low alternating temperature set by the test, the heating and cooling time in the test chamber will be longer, so the energy consumption will be higher. Therefore, there is currently no machine that is convenient for simulating the fatigue test of the gas spring under test at alternating ambient temperatures.

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