Loading experimental device for ball-rolling joint surface supporting dynamic loading

Abstract

The invention relates to a loading experiment device for a ball rolling combined surface supporting dynamic loading. According to the loading experiment device, a ball screw is connected with a torque motor, the spiral directions of the both ends of the ball screw are opposite, the both ends are connected with a loading disc respectively, corresponding loading rods on the two loading discs are connected with a loading block respectively, the both ends of a transmission shaft are in matching connection with an arc-shaped guide rail, and a large belt wheel is installed at the middle portion of the transmission shaft; a motor gear is connected with a motor shaft, and a large gear is in engagement connection with the motor gear; one end of a support block is sleeved on the transmission shaft, a small belt wheel is installed at the other end of the support block, and the large belt wheel is connected with the small belt wheel by a synchronous belt. The loading experiment device disclosed by the invention has the functions of dynamic loading, and the transmission of an inner ring and an outer ring; the needed dynamic loading force can be obtained by controlling the output torque of the torque motor, and the inner ring or the outer ring of the rolling combined surface of balls with different diameters can be loaded; a transmission mechanism is capable of driving the loaded objects with different diameters to rotate, thus realizing uniform loading; the dynamic performances of the ball rolling combined surface structure during working can be accurately tested by dynamic loading.

Description

technical field [0001] The invention relates to a loading experiment device, in particular to a ball rolling joint surface performance test loading mechanism supporting dynamic loading. Background technique [0002] Ball rolling joints are widely used in bearing mechanical structures such as inner and outer rings of bearings, guide rail rollers, etc. With the continuous development of science and technology and the continuous improvement of mechanization level, people have higher requirements for the strength, stiffness and fatigue life of mechanical structures. [0003] There are two aspects of work in the study of the ball rolling joint surface structure: one is to develop new structures and materials to meet the working characteristics and load requirements; the other is to study the performance of the ball contact surface structure in depth, so as to adopt corresponding Measures to ensure that components work in the best condition. Testing the properties such as stiffn...

AI Technical Summary

Problems solved by technology

In the physical performance test, the loading mechanism that supports dynamic loading with simple structure, low cost and easy operation is rare

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