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.

　　The entire transmission system of the equipment is mainly composed of two main gearboxes with equal transmission ratios and an intermediate transmission device, forming a mechanically closed structure, which can test four samples at the same time.Such a structure can greatly save power.

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