Movable assembly type precision speed reducer comprehensive performance test stand
A precision reducer, comprehensive performance technology, used in the testing of mechanical parts, the testing of machine/structural parts, instruments, etc., can solve the problems of inability to detect the performance index of the reducer, measurement of a single index, poor reliability, etc. The effect of reliable tightening device, simple operation and simple driving device
Inactive Publication Date: 2019-11-22
BEIJING UNIV OF TECH
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Problems solved by technology
[0005] (1) The traditional way of manually loading the torque is adopted, that is, the personnel use the manual loading weight to control the magnitude of the torque. This test method has low precision and poor reliability.
[0006] (2) The existing precision reducer performance test bench can usually only measure a single index, and it is impossible to realize the detection of various key performance indicators of the reducer through one tooling on one device, and the accuracy is low and the reliability is poor
[0007] (3) The design and test methods of the existing test bench modules are not implemented in accordance with the latest national standard "Test Methods for Precision Gear Transmission Devices for Robots"
Method used
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Embodiment Construction
[0056] The present invention will be further described below in conjunction with accompanying drawing:
[0057] Such as figure 1 As shown, from right to left is the input end to the output end, the device is connected in the following way, the drive servo motor 19 is installed on the input motor bracket 20, the input torque sensor 17 is installed on the input torque sensor bracket 21 and the two ends pass through The first and second small torque couplings connect the input main shaft 15 and the driving servo motor 19 . An input angle encoder 27 is installed on the input spindle 15, and the end face is connected to the reducer input shaft 12; the output angle encoder assembly is provided with a reed structure, and the reed is connected to the reducer output shaft 10 with a flange by a reed pressure ring. The end of the reducer output shaft 10 is connected to the torsion shaft 8, the torsion shaft 8 is installed on the loading support bracket 7, the accompanying planetary redu...
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The invention discloses a movable assembly type precision speed reducer comprehensive performance test stand, which adopts a fixedly-installed independent speed reducer precision installation bracketand four one-dimensional movable sliding plates which are used for loading measurement and control equipment and can move in an X-axis direction, and connection or disconnection between the unused one-dimensional movable sliding plates can be achieved by rotating hand wheels of platforms. An input end is sequentially connected with a small torque sensor, an input angle encoder, a tested speed reducer, an output angle encoder, an output torque sensor, a test-accompanying planetary speed reducer and a loading servo motor from right to left by means of a driving servo motor. The movable assemblytype precision speed reducer comprehensive performance test stand satisfies comprehensive performance measurement of key parameters of the precision speed reducer, and comprises measurement items including transmission error, return difference, torsional rigidity, back clearance, no-load friction torque, forward starting torque, reverse starting torque and transmission efficiency.
Description
technical field [0001] The invention relates to a comprehensive performance measuring device of a movable component type precision reducer, which belongs to the fields of precision test and measurement technology, precision instruments and mechanical transmission. Background technique [0002] As one of the most basic mechanical transmission components, precision reducers are widely used in the field of high-precision transmission represented by industrial robots. With a series of characteristics such as compact structure, light weight, large transmission ratio, stable transmission, low vibration, low noise, high efficiency, long life, etc., and has self-locking function under certain conditions, precision reducer has become a research topic of domestic and foreign scholars and research institutions. the key of. [0003] Since the precision reducer adopts the structure of cycloidal pin wheel planetary reduction, the structure is complex and the processing and manufacturing ...
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Login to View More IPC IPC(8): G01M13/025
CPCG01M13/025
Inventor 石照耀张越岳会军张临涛
Owner BEIJING UNIV OF TECH