Multi-element cylindrical surface detection device based on concentric circular mesh traversal optimization and method

Abstract

The invention discloses a multi-element cylindrical surface detection device based on concentric circular mesh traversal optimization and method. Dynamic rotary scanning measurement is adopted, threesections are measured on the outer circle of a planet carrier, and the diameter of each section is provided with a sensor; a workpiece is positioned on a precision rotary platform for high-precision rotary positioning on a measured piece; a left measurement part is driven by a cylinder guide rail to enter a measurement position through a control motor, the sensor probe thus arrives at the measurement position, and precise positioning during the automatic measurement process is realized; the workpiece rotates slowly on the precision rotary platform, each time when the workpiece rotates for a certain angle, the sensor acquires a group of data, and by using the data measured and obtained by the sensor, according to an evaluation algorithm involved in the invention, the outer diameter, the roundness and the cylindricity of the outer circle of the planet carrier are calculated. The measurement precision and the measurement efficiency are improved, quality detection on the cylindrical surface of the planet carrier in a production line can be realized, efficient work of the production line is ensured, and precise measurement and evaluation on multiple elements of the outer circular surface are realized.

Description

technical field [0001] The invention belongs to the technical field of machining accuracy detection of the outer cylindrical surface of the RV reducer planet carrier, and specifically relates to a cylindrical surface multi-element detection device and method based on concentric circle grid traversal optimization. Background technique [0002] The RV reducer is composed of the front stage of a planetary gear reducer and the rear stage of a cycloidal pinwheel reducer, in which the second-stage needle pendulum transmission part consists of crankshaft, cycloidal wheel, pinwheel, pinion housing and planet carrier assembly and so on. The outer circular position error of the planet carrier bearing installation is related to the overall assembly accuracy of the reducer, which in turn affects the transmission accuracy and transmission efficiency of the RV reducer. At the same time, large shape and position errors will cause cyclic stress during the operation of the reducer, which wi...

AI Technical Summary

Problems solved by technology

The manual measurement operation process is relatively cumbersome, basically offline measurement, and the detection efficiency is relatively low; the special measuring instrument has high measurement accuracy, stable performance, convenient operation and maintenance, but due to technical difficulties, it is less popular

The three-coordinate measuring machine can accurately measure the shape and position errors of complex structures, but it has strict requirements on the measurement environment, the measurement cycle is long, and the cost is high. It is suitable for offline sampling inspection and cannot meet the online measurement of the production line.

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