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Measuring apparatus and method for transmission accuracy of gear pair

A transmission precision and measurement device technology, which is applied in the field of gear pair transmission precision measurement devices, can solve the problems of high cost of measurement devices, low measurement accuracy, non-automated measurement, etc., and achieve low cost, good measurement accuracy and fast measurement speed Effect

Inactive Publication Date: 2008-09-24
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0004] In view of the problems of non-automatic measurement, low efficiency, low measurement accuracy and high cost of measurement devices in the current measurement of gear pair transmission accuracy

Method used

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  • Measuring apparatus and method for transmission accuracy of gear pair
  • Measuring apparatus and method for transmission accuracy of gear pair

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Experimental program
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Embodiment Construction

[0023] The gear pair transmission accuracy measurement device is composed of three parts: the angle input platform, the angle output measurement platform and the computer test system. Support plate 6 and input platform triangular support 12 etc. are formed. The angle output measurement platform is made up of output angle sensor 15, output platform front support plate 17, output sensor support plate 18, output platform triangular support 23 and shielding cover.

[0024] The gear pair transmission accuracy measurement device uses a high-resolution angle sensor, which uses the working principle of a resolver and can achieve the equivalent of 19-bit absolute encoder measurement accuracy. Its cost performance is much higher than the encoder measurement method, and the sensor itself has no hysteresis error.

[0025] On the angle input platform, the "input angle sensor 1" is fixed on the "input platform bottom plate 4" through the "input sensor bracket plate 7", and the "input senso...

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Abstract

The invention relates to a gear pair transmission precision measuring device and a method, which belongs to the technical field of gear pair transmission precision measurement. The device essentially includes a turning angle input part, a turning angle output measuring part and a computer data collecting, analyzing and processing part, wherein, the turning angle input part and the turning angle output measuring part respectively include an angle sensor. The method includes the following steps: (a) a computer controls the rotating angle and speed of a servo motor (2) according to the speed ratio of a gear pair, and collects the data from an input angle sensor (1) and an output angle sensor (15) at the same time; (b) the computer completes the peak removal, value filtration and error curve outline extraction of the data from the sensors, and adopts the right-angle coordinate and the polar coordinate to display the transmission error, backlash and deviation tendencies of each point of the gear pair. The device and the method have the advantages of good reliability, fast measuring speed, high measuring precision and wide scope of measurement.

Description

technical field [0001] The gear pair transmission accuracy measuring device and method of the present invention belong to the technical field of gear pair transmission accuracy measurement. Background technique [0002] The currently used gear pair transmission accuracy measurement often adopts the method of manual interpretation, such as installing two code discs on the input shaft and output shaft of the gear pair under test respectively, after zero calibration, then rotate the input shaft, and observe the output shaft in the setting Whether the deviation and hysteresis of the specified angles fall within the specified range, and judge whether the product is qualified. In order to improve the resolution and facilitate observation, a camera is also used to enlarge the scale of the code disc. This measurement method uses manual interpretation, which has low precision, complicated operation and long detection time. As introduced in the article "Measurement and Data Processi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02
Inventor 赵敏姚敏顾伟
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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