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Precision goniometer

A technology of precision angle measurement and air-floating shaft, applied in the field of precision goniometers, can solve the problems of low dynamic test accuracy and poor dynamic performance, and achieve the effect of high-speed angle measurement, wide dynamic response range, and high measurement resolution.

Inactive Publication Date: 2018-12-04
BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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  • Application Information

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Problems solved by technology

[0003] This application provides a precision goniometer to solve the problems of low precision and poor dynamic performance in dynamic testing

Method used

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Embodiment Construction

[0029] The following describes the embodiments of the present application in detail, and the features and advantages of the present application will become more clear and definite along with these descriptions. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0030] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "left" and "right" etc. indicate orientation or position The relationship is an orientation or positional relationship based on the working state of the application, which is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In ...

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Abstract

The present application discloses a precision goniometer. The precision goniometer comprises: a base, an air floating shaft assembly, a ring laser, a workbench, a conductive slip ring, and a circulargrating angle measuring assembly. The base has a mounting hole, and the air floating shaft assembly is disposed in the mounting hole; the ring laser is disposed on the top end of the air floating shaft assembly through a adapter plate and is used for dynamic angular metric testing; the workbench is disposed on a top cover of the air floating shaft assembly and is connected to the outside of the ring laser, and is used for placing an object to be tested; the conductive slip ring is disposed at a bottom end of the air floating shaft assembly; and the circular grating angle measuring assembly isdisposed at the bottom end of the air floating shaft assembly and sleeves the conductive slip ring, and is used for static angular metric testing. The precision goniometer realizes the angular metrictesting calibration of an angle polyhedron and an angle sensor during movement, can realize the dynamic measurement under the high motion speed, and has small measurement errors, a wide dynamic response range and better dynamic performance.

Description

technical field [0001] The invention relates to a precision goniometer, which belongs to geometric measurement instruments. Background technique [0002] Angle measurement is an important part of geometric measurement technology. Angle measurement can be divided into static measurement and dynamic measurement. Static measurement is basically a measurement mode represented by a circular grating. However, with the development of aviation, aerospace, weapons, ships and other industries, there are more and more requirements for angle measurement in the rotation process, especially in weapon equipment testing and testing technology, it is often necessary to dynamically measure angles, However, the existing angular dynamic testing has problems such as low precision and poor dynamic performance. Contents of the invention [0003] The application provides a precision goniometer to solve the problems of low precision and poor dynamic performance in dynamic testing. [0004] In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26
CPCG01B11/26
Inventor 王爱军何小妹李昆周自力何磊唐志锋武文斌王一璋曹航
Owner BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA
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