A low-speed heavy-duty gear crack fault online detection method
A detection method, low-speed heavy-duty technology, applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc., can solve the problems of low vibration signal characteristic frequency, low signal-to-noise ratio, submersion, etc., to achieve good Effect of anti-interference and accuracy, high application value
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0028] An enterprise needs to conduct online monitoring of the running status of the main reduction gear of the axle, so as to detect the early failure of the gear in time and lock the weak link of the gear design. Usually, the condition monitoring of gears based on vibration information is selected, but under low-speed and heavy-load conditions, the signal-to-noise ratio of the vibration signal of the gear is low, and it is easily disturbed, and the early failure of the gear cannot be found in time. The invention solves the problem of low-speed and heavy-duty gears. condition monitoring problems.
[0029] refer to figure 1 , a low-speed heavy-duty gear crack fault online detection method, comprising the following steps:
[0030] Step 1, installing a torque sensor at the motor shaft of the gear and the coupling of the gear shaft, and installing a ph...
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