It adopts a mechanically enclosed structure (commonly known as a square machine), continuous hydraulic loading and variable frequency drive, which saves power consumption. In order to simulate the actual installation angle requirements of the car, the drive ends on both sides adopt a horizontal rotation mechanism, and the middle transmission device adopts up and down movement The mechanism can be adjusted arbitrarily.The driving ends on both sides are equipped with manual adjustment devices to meet the test space requirements of different length samples.

　　The main machine of the equipment includes a test platform, a main drive system, a driven adjustment system, a hydraulic loading system and a hydraulic pump station.It is a device used to simulate the requirements of the actual state of use of the car, and perform periodic fatigue tests on constant velocity universal joints under different rotation speeds, rotation angles and torques.

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