A Fatigue Life Analysis Device for Harmonic Reducers
A fatigue life analysis, harmonic reducer technology, applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the problems of unable to filter out samples, fast heat dissipation, deviation of test results, etc., to achieve convenient assembly, The effect of improving accuracy
Active Publication Date: 2020-11-20
ZHEJIANG LAIFUAL HARMONIC DRIVE COMPANY
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Problems solved by technology
[0005] 1. In actual work, the harmonic reducer will form a relatively specific working environment, which is mainly reflected in the working temperature; while in the test process, the harmonic reducer is external, and the heat dissipation speed is fast, which cannot simulate the working environment temperature. The test results There is a certain deviation
[0006] 2. The installation of the reducer is inconvenient, time-consuming and labor-intensive
[0007] 3. Samples with obvious problems cannot be filtered out during the test
Method used
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[0035] Such as Figure 1 to Figure 9 As shown, a fatigue life analysis device for a harmonic reducer includes a base 1, a drive motor 2, a load motor 12, a reducer 7 and a sensor module, and the sensor module of the present invention includes a first sensor module 4 , the second sensor module 10, the third sensor module 24 and the fourth sensor module 29, the first sensor module 4 and the third sensor module 24 all include an input end torque sensor, an input end rotational speed sensor, the second Both the sensor module 10 and the fourth sensor module 29 include an output end torque sensor and an output end rotational speed sensor. It can detect and calculate the transmission accuracy and transmission efficiency of the reducer 7, and provide data samples for analysis and prediction, thereby improving the accuracy of life analysis.
[0036] The drive motor 2 is connected to the first coupling 3 through its motor shaft, the first coupling 3 is connected to the first sensor mod...
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The invention discloses a fatigue life analysis device for a harmonic reducer. The fatigue life analysis device comprises a base, a driving motor, a load motor, a speed reducer and a sensor module, wherein a working environment simulation box is arranged on the base, the working environment simulation box comprises a front box body and a rear box body, the front box body and the rear box body arearranged at the front end and the rear end of the speed reducer respectively, a front sliding rail and a rear sliding rail are longitudinally arranged on the base, the front box body is installed on the front sliding rail, the rear box body is installed on the rear sliding rail, the front box body and the rear box body are spliced and then surround the speed reducer, a heater, a cooler, a temperature sensor and a simulation control panel are arranged in the front box body, and the heater, the cooler and the temperature sensor are connected with the simulation control panel. The working environment simulation box is additionally arranged on the basis of an existing speed reducer fatigue life analysis device so that simulation can be achieved according to the collected working environment ofthe speed reducer, then a fatigue life analysis test can be carried out in the working environment of the speed reducer, and the accuracy of a test result is improved.
Description
technical field [0001] The invention belongs to the testing field of reducers, and relates to a fatigue life analysis device for harmonic reducers. Background technique [0002] Harmonic gear reducer is composed of a fixed internally toothed rigid wheel, a flex spline, and a wave generator that causes radial deformation of the flex spline. The harmonic gear reducer is a new type of transmission structure in the gear reducer. It uses flexible gears to generate controllable elastic deformation waves, causing the relative misalignment between the teeth of the rigid gear and the flexible gear to transmit power and motion. This kind of transmission is essentially different from general gear transmission, and has particularity in meshing theory, set calculation and structural design. The harmonic gear reducer has the advantages of high precision and high bearing capacity. Compared with the ordinary reducer, its volume and weight are reduced by at least 1 / 3 due to the use of 50% l...
Claims
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IPC IPC(8): G01M13/022
CPCG01M13/025
Inventor 张杰杨燃张瀚
Owner ZHEJIANG LAIFUAL HARMONIC DRIVE COMPANY