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Rotary axis system orthogonality measuring method and device

A technology of rotary shafting and measuring devices, which is applied to measuring devices, electrical devices, instruments, etc., and can solve problems such as low measurement efficiency

Active Publication Date: 2017-05-24
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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  • Abstract
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Problems solved by technology

Due to the low measurement efficiency of the above method and the inability to provide real-time measurement data for real-time adjustment, it has certain limitations

Method used

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  • Rotary axis system orthogonality measuring method and device

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 As shown, the present invention is a device for measuring the orthogonality of a rotary shaft system, which includes a measuring platform 10, a rotary mechanism base 1, an azimuth rotary shaft 2, a U-shaped frame 3, an I standard ball 4, a pitch rotary shaft 5, and a II standard Ball 6, high-precision indicating table 7, indicating table bracket 8, indicating table base 9, the base of the slewing mechanism 1 is fixed on the measuring platform 10 through threaded connection; The U-shaped frame 3 is connected; the two ends of the pitching rotary shaft 5 are fixed in the U-shaped interior of the U-shaped frame 3 through bearings and bushings and pass through the U-shaped frame 3; Both ends of the rotating shaft 5 are connected; the high-precision indicator 7 is connected with the indicator bracket 8 through threads; the i...

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Abstract

The invention belongs to the technical field of precise measurement and particularly relates to a rotary axis system orthogonality measuring method and device. The device comprises a measuring platform, a rotary mechanism base, a U-shaped frame, an I standard ball, a pitching rotary shaft, an II standard ball, a high precision dial gauge, a dial gauge bracket, and a dial gauge base. The standard balls are steel balls with the diameter of 25mm and the roundness of 0.1 micrometer. The high precision dial gauge is a high precision inductance sensor with the measurement accuracy of 0.1 micrometer. By using the above standards, the orthometric axis system of a pitch axis span of 200mm is measured, and the orthometric measurement precision of two orthometric axis systems can reach 0.2'' through theoretical calculation.

Description

technical field [0001] The invention belongs to the technical field of precision measurement, and in particular relates to a method and device for measuring the orthogonality of a rotary shaft system. Background technique [0002] In the fields of precision inertial testing equipment and precision instruments, multi-axis precision rotary shafting is often used. In order to improve the measurement accuracy of equipment and instruments, it is necessary to accurately measure the orthogonality between the shaftings. Based on this, the measurement equipment The mechanical structure is adjusted or compensated. [0003] At present, there are mature detection methods and means for the rotation accuracy of a single shaft system. For the orthogonality of multiple shaft systems, there are also corresponding acceptance detection methods, that is, using the principle of self-collimation to combine two or more rotary shaft systems The axis is derived, and the orthogonality between the ax...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/00
Inventor 宋金城刘柯孙增玉高越董利军缪寅宵郑明珠陈晓晖
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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