On-site measurement and indication method for assembly deflection adjustment of rail transit vehicles

Abstract

The invention discloses a method for in-site measurement and indication of the vehicle body assembly deflection adjustment amount of a rail transit vehicle, comprising: fixing a rail transit vehicle body to a vehicle body deflection measurement reference point A1, A2, A3 and A4; measuring deflection values at the vehicle body deflection measurement reference points, namely, [gamma] 1, [gamma] 2, [gamma] 3 and [gamma] 4, taking the deflection reference value [gamma] 1 as a reference value, establishing the mathematical relationship between the deflection reference values and the adjustment nutparameters of an installation adjustment device, and guiding the adjustment of the vehicle body installation adjustment parameters to enable the deflection values of the deflection measurement reference points to meet the relationship [gamma] 1=[gamma] 2=[gamma] 3=[gamma] 4; taking the reference point deflection values [gamma] 1, [gamma] 2, [gamma] 3 and [gamma] 4 as zero reference values, and measuring relative deflection values relative to the zero reference values of ten deflection measurement points located at two ends of the vehicle body in the length direction, the vehicle middle part and close to the deflection measurement reference points; and comparing the relative deflection values of the deflection measurement points with deflection standards of the measurement points, taking differences as pull force power adjustment indication values of the deflection adjustment device, and establishing the mathematical relationship between the relative deflection values of the deflectionmeasurement points and the preset torsion and torque of the vehicle body deflection adjustment device, to change the relative deflection value of the measurement points.

Description

technical field [0001] The invention relates to the technical field of rail transit vehicle body manufacturing and assembly, in particular to an on-site measurement and indication method for the assembly deflection adjustment amount of a rail transit vehicle body. Background technique [0002] Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to run on specific tracks. The most typical rail transit is a railway system composed of traditional trains and standard railways. With the diversified development of train and railway technology, more and more types of rail transit have emerged, not only in long-distance land transportation, but also in short- and medium-distance urban public transportation. Urban rail transit is the main line of urban public transportation, the main artery of passenger flow, and the lifeline project of the city. At the same time, the construction and development of urban rail transit is conducive to i...

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above-mentioned technical problems, the object of the present invention is to provide a method for measuring and indicating the deflection adjustment of rail vehicle body assembly on-site for the problem that quantitative adjustment cannot be realized during the measurement and adjustment process of rail vehicle body deflection. Realize precise control of rail transit vehicle body deflection measurement and adjustment, complete on-site measurement and adjustment of vehicle body assembly deflection, effectively improve the efficiency of measurement and adjustment of vehicle body deflection, and reduce labor costs

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