Universal axle automatic test bench

Abstract

The invention relates to a universal axle automatic test bench, which is used for axle performance detection, and is provided with an axle placing area and a test transmission area, wherein the axle placing area comprises an axle support for placing an axle and an axle body lifting assembly, the axle support is driven by the axle body lifting assembly to move up and down, the test transmission area comprises a running motor, a transmission shaft system, an adjusting bottom plate, a rear end lifting adjusting mechanism and an automatic butt joint assembly, the adjusting bottom plate adjusts an inclination angle through the rear end lifting adjusting mechanism, the transmission shaft system adjusts the inclination angle through the automatic butt joint assembly, and the transmission shaft system is driven by the running motor to rotate, and realizes the automatic butt joint with the axle through an elastic connecting piece. According to the invention, the test bench can be automatically adjusted according to different sizes and inclination angles of axles, so that the test bench truly simulates the loading posture of the axles, test data errors are reduced, automatic butt joint of a transmission shaft system and an axle input flange is achieved, and the maintenance cost is reduced.

Description

technical field [0001] The invention relates to a vehicle axle test equipment, in particular to a general-purpose vehicle axle automatic test bench. Background technique [0002] Automobile axles, also known as axles, are connected to the frame or body through suspensions, and wheels are installed at both ends. The function of the axles is to bear the load of the car and maintain the normal driving of the car on the road. The automobile axle is an important component of the automobile. After the assembly is completed, the axle needs to undergo a series of inspections before entering the follow-up process. The existing inspections have special test benches for mass production. [0003] In the existing axle test bench, the drive shaft connected to the axle input flange is in a horizontal and fixed state. When testing some axle products with a certain inclination angle, the drive shaft and the axle input flange will have an assembly angle. , forming inertial swing under high s...

AI Technical Summary

Problems solved by technology

[0003] In the existing axle test bench, the drive shaft connected to the axle input flange is in a horizontal and fixed state. When testing some axle products with a certain inclination angle, the drive shaft and the axle input flange will have an assembly angle. , forming inertial swing under high speed conditions, there is a certain safety hazard, and it is impossible to truly simulate the loading posture of the axle, and the experimental data of the test has certain errors compared with the loading and running data. High efficiency, the shafting on the existing test bench and the axle input flange need to be manually connected, and then manually disconnected after the test, which is time-consuming and labor-intensive

[0004] A Chinese invention patent with the publication number CN 103344440 B provides an axle test bench for the running-in test of the axle assembly. Transmission device, translation screw drive device and lifting and clamping device, etc., the test bench can automatically complete the grabbing, lifting, translation, putting in, lifting positioning, centering clamping and other actions of the axle assembly, which is automatic High degree, unmanned operation is realized. Although the test bench realizes the automatic engagement and separation of the test head and the main cone flange surface of the axle assembly through the translational screw drive device, the connection between the test head and the frequency conversion speed regulating motor The coupling between them is still in a horizontal state, which is not suitable for axles with a certain inclination angle, and the translation screw drive device is relatively cumbersome, and the maintenance cost is high

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