Large-span two-dimensional linkage compensation system and method used for locomotive wheelset detection

Abstract

The invention relates to a large-span two-dimensional linkage compensation system and method used for locomotive wheelset detection, and belongs to the field of mechanical measuring. In our country, an application case has been in the two-dimensional large-span wheelset automatic detection field, however, an ideal measuring device does not exist, therefore a high-precision two-dimensional shaft ofa train wheelset detection device and a dynamic precision compensation system of the train wheelset detection device are provided, a specially-designed high-precision and high-stability marble structure is adopted in the system structure, a two-dimensional shaft system guide rail adopts a linear motor, a laser interferometer is used for being combined with finite element analysis, high-precisionmeasuring and two-dimensional mathematic model building are carried out on the system beam deflection, two-time single-direction displacement precision is compensated and adjusted, the initial state of the mathematic model is subjected to valuation, the dynamic compensation technology is used, a device beam under the motion state is subjected to dynamic real-time deflection compensation, and within the 3-meter measuring range, high-precision large-span two-dimensional linkage measuring with the positioning precision reaching 5 microns is achieved.

Description

technical field [0001] The invention relates to a large-span two-dimensional linkage compensation system and method for locomotive wheel set detection, and belongs to a two-dimensional shaft linkage positioning error compensation and long-span beam deflection deformation of a locomotive wheel set geometric parameter detection device dynamic compensation technology. Background technique [0002] The research on the automatic detection of locomotive wheel pair parameters has been paid more and more attention to the key role in improving the quality and safety of train products. From an international point of view, Japan, the United States, the United Kingdom and France have done a lot of research on the automatic detection of wheelsets, and developed various types of detection devices, which have been widely used in the railway transportation sector and have produced considerable results. economic and social benefits. There have been application cases in the field of automat...

AI Technical Summary

Problems solved by technology

Especially for two-dimensional large-span equipment for detecting wheel axles, not only have high requirements for the accuracy of single and double axes, but also have a large amount of deflection and deformation, resulting in poor measurement results when the two-dimensional and dual-axis precision is high. Large deviations still occur (individual deviations are at the millimeter level)

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