Three-point positioning rotation platform for track wheel measurement supporting

Abstract

A three-point positioning rotary platform used for rail wheel measurement support; the three-point positioning rotary platform includes three sets of support structures; these three sets of support structures are evenly arranged on the circumference of the same plane; each set of support structures includes a a triangular centering slide table, a rotary support shaft arranged on the top of the triangular centering slide table, an end face bearing provided at the front end of the rotary support shaft, a rotary servo motor provided at the rear end of the rotary support shaft, and The slide base located at the bottom of the triangular centering slide, the slide screw located on the slide base, and the slide servo motor driving the slide screw; the rotating support in the three sets of supporting structures The ends of the axles combine to form a support platform for supporting the rail wheels. The invention realizes the technical effects of reasonable design, low cost, and high measurement efficiency and accuracy.

Description

technical field [0001] The invention belongs to the technical field of rail wheel measurement, and relates to a rail wheel measurement device, in particular to a three-point positioning rotary platform used for rail wheel measurement support; the three-point positioning rotary platform can be used for automatic measurement of rail wheels. At the same time, it can realize the support and three-point centering of the rail wheel, and it can rotate around the axis to realize one-time clamping and complete the rotation measurement of the front and back sides of the rail wheel at the same time. Background technique [0002] Rail vehicle wheels experience wear over time due to their contact with the track. The support surfaces wear as a result of their contact with the top of the track, especially when the wheels slide relative to the track during an acceleration or braking event. The wheel flanges will wear due to contact with the inner surface of the rail top, especially in bend...

AI Technical Summary

Problems solved by technology

[0003] There are generally two traditional detection methods. One detection method is to place the rail wheel horizontally on a fixed platform or support point for measurement. This method can only achieve a single-sided measurement. The rail wheels are installed on the rotating mechanism, and the structure of the rotating mechanism is complicated, and it is difficult to guarantee the flatness of the rotation.

Another detection method is to place the rail wheel upright on the detection platform. This method can detect the front and back sides of the rail wheel with one clamping. However, when this method is used for rail wheels of different sizes, the The center of the rail wheel will be inconsistent. When the rail wheel needs to be rotated, the rotating mechanism is complicated and the rotation accuracy is difficult to guarantee. The center position of the rail wheel will be affected by the roundness of the rail wheel after rotation, and the end plane of the rail wheel will be Inconsistent with the original, this will inevitably affect the measurement accuracy of the wheel. The current measurement support methods can only take into account some aspects, and the function is single, which cannot take into account multiple measurement conditions at the same time.

Images