Calibration device of gear transmission error detection equipment
A technology of gear transmission and error detection, which is applied in the direction of machine gear/transmission mechanism testing, etc., can solve the problems of no error detection equipment calibration, encoder calibration error evaluation, grating encoder field calibration, etc., to achieve accurate and reliable measurement data, Improved reliability and ease of operation
Active Publication Date: 2014-12-24
GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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Problems solved by technology
[0003] At present, the calibration of transmission error detection equipment is seriously behind the actual application. Most of the calibration of domestic transmission error detection equipment is to calibrate the grating angle encoder in the equipment separately, ignoring the influence of the installation error when the grating encoder is in the actual installation state. Causes wrong evaluation of encoder calibration, and existing installations do not have calibration for the overall performance of error detection equipment when input and output grating encoders are installed
Therefore, there are two problems in the existing method: (1) the grating encoder cannot be calibrated on site; (2) the overall performance of the device cannot be calibrated
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[0024] Such as Figure 1~Figure 3 As shown, a calibration device for gear transmission error detection equipment includes a gear transmission input shaft acquisition device and an output shaft acquisition device, and the input shaft acquisition device includes a first polygonal prism 3, a first autocollimator 7 And the first grating encoder 5, the first polygonal prism 3 has a regular prism-shaped gauge with accurate angles, its measuring surface has good optical reflection performance, and the number of measuring surfaces is generally 8, 12, 23, 24 and 36, etc., up to 72 sides, it is often used to verify angle measurement tools, such as optical indexing head, rotary table, multi-tooth indexing table, etc., when verifying, use the autocollimator reading, the first multi- One end of the facet prism 3 is fixedly connected to the input shaft, and the other end is fixedly connected to the rotating shaft of the first grating encoder 5. The first autocollimator 7 is aligned with the...
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The invention discloses a calibration device of gear transmission error detection equipment. The calibration device comprises polygon mounting devices arranged on an input shaft and an output shaft, a polygon is mounted on each polygon mounting device, and the polygons and autocollimators jointly form the calibration device of the gear transmission error detection equipment. The input shaft and the output shaft of a gear assembly are connected with the polygons respectively through the polygon mounting devices, the other end of each polygon is connected with a grating encoder, and the centers of the polygons are coaxial with the input shaft and the output shaft of the gear assembly and rotating shafts of the grating encoders. By the aid of the polygons, the autocollimators and the grating encoders, reliability in calibration of the gear transmission error detection equipment is improved, the problems of difficulty in mounting of the polygons, difficulty in alignment of the rotation centers of the polygons and the like during calibration of the gear transmission error detection equipment are solved, and performance of the gear transmission error detection equipment can be evaluated generally.
Description
technical field [0001] The invention belongs to the field of gear transmission error detection, in particular to a calibration device for gear transmission error detection equipment. Background technique [0002] Gear transmission error detection equipment is a kind of electromechanical integration equipment, which is widely used in the field of gear transmission error detection in machinery manufacturing. Gear transmission devices are used in almost all kinds of machinery. They are key parts of machinery and affect the performance and quality of machines. The transmission error Whether the measurement value of the detection equipment is accurate or not is directly related to the reliability of the gear transmission error detection results, so it is very important to calibrate the transmission error detection equipment. [0003] At present, the calibration of transmission error detection equipment is seriously behind the actual application. Most of the calibration of domesti...
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IPC IPC(8): G01M13/02
Inventor 黎安兵
Owner GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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