Multi-axis parallelism detection device with large-scale diameter expansion and self-test function

Abstract

The invention discloses a multi-axis parallelism detection device with large-range expanding and self-checking functions, which belongs to the technical field of optical axis parallelism detection and aims at solving the problems that the precision is poor, the detection is heavily influenced by the self aperture, and field test can not be carried out in the existing optical axis parallelism detection technology. The device is composed of a parallel light tube assembly, a reflector assembly, a small-range expanding assembly, a large-range expanding assembly, a self-calibrating assembly, a fine tuning platform and a tripod, wherein the fine tuning platform is arranged on the tripod; the reflector assembly is fixed on the fine tuning platform; the parallel light tube assembly is arranged below the fine tuning platform and arranged inside the tripod; the small-range expanding assembly and the large-range expanding assembly are arranged at two sides of the reflector assembly respectively; the small-range expanding assembly can rotate around the reflector assembly; the large-range expanding assembly can rotate around the reflector assembly; and the self-calibrating assembly is arranged at the outer side of the small-range expanding assembly. The device of the invention is suitable for field operation, and has the advantages of little occupied space, reasonable layout and convenient carrying.

Description

technical field [0001] The invention relates to a multi-axis parallelism detection device with large-scale diameter expansion and self-checking functions, belonging to the technical field of optical axis parallelism detection. Background technique [0002] At present, the commonly used multi-spectral optical axis parallelism testing methods mainly include projection target plate method, collimator method, small aperture collimator method and pentaprism method, etc. Among them, the test accuracy of collimator method is relatively high. , usually tested with a collimator. The device used in the large-aperture collimator method is mainly composed of a light source, a cross reticle, a large-aperture collimator and various bases. During use, the measured beam needs to be contained within the aperture of the collimator. Prior Art References: Research on Multi-Optical Axis Parallelism Calibration Method for Photoelectric Systems, Ma Shibang, Yang Hong, Yang Zhaojin, Guo Yu, Kang D...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the existing optical axis parallelism detection technology has poor precision, is greatly affected by its own caliber, and cannot be tested in the field, the present invention provides a multi-axis parallelism detection with a wide range of diameter expansion and self-inspection functions A device, a method for detecting the parallelism of optical axes using the device, and a self-checking and self-calibrating method for the device

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