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Vibration detection method of hoist main shaft based on psd laser triangulation method

A laser triangulation and vibration detection technology, which is used in measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve the problem that the measurement conditions or the complexity of the equipment cannot meet the requirements of the vibration detection of the main shaft of the mining hoist.

Inactive Publication Date: 2016-04-13
TAIYUAN UNIV OF TECH
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Problems solved by technology

However, the above methods cannot meet the requirements for the vibration detection of the main shaft of the mining hoist in terms of measurement accuracy, measurement speed, measurement conditions or equipment complexity.

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  • Vibration detection method of hoist main shaft based on psd laser triangulation method
  • Vibration detection method of hoist main shaft based on psd laser triangulation method
  • Vibration detection method of hoist main shaft based on psd laser triangulation method

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Embodiment Construction

[0010] The invention is a vibration detection method for the main shaft of a mine hoist, which uses the characteristics of good monochromaticity, good directionality, and high brightness of the laser, and proposes a design scheme for an intelligent sensor with a vibration detection function for the main shaft of a mine hoist. The sensor combines the laser triangulation method and the position sensitive detector PSD to monitor the vibration displacement of the shaft of the mine hoist in the horizontal and vertical directions in real time and accurately.

[0011] like figure 1 and figure 2 As shown, the optical path system of a single sensor (the first sensor or the second sensor) is composed of a laser, a collimator lens, a receiving lens, an optical filter, a PSD position sensitive sensor (photosensitive element), and a signal processing circuit (the signal processing circuit is connected to On the PSD, the final output is the voltage. The distance that the light spot moves ...

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Abstract

The invention discloses an elevator spindle vibration detection method and particularly provides the elevator spindle vibration detection method based on the PSD laser triangulation method. According to the elevator spindle vibration detection method based on the PSD laser triangulation method, in the cross section plane of an elevator spindle, two laser displacement sensors are installed symmetrically with the spindle as the center point, the displacement of the elevator spindle in the horizontal direction is delta, and the displacement of the elevator spindle in the vertical direction is b. By means of the elevator spindle vibration detection method based on the PSD laser triangulation method, the vibrating displacement of the elevator spindle in the horizontal direction and the vertical direction is monitored accurately in real time.

Description

technical field [0001] The invention designs a hoist main shaft vibration detection method, specifically a hoist main shaft vibration detection method based on PSD laser triangulation. Background technique [0002] Mine hoists are responsible for transporting personnel and materials in mine production, and their performance directly affects production and the safety of workers. More than 70% of mechanical equipment failures can be manifested by vibration, so it is necessary to monitor the vibration of the main shaft of the hoist. At present, the commonly used vibration measurement techniques mainly include electrical measurement method, optical interference vibration measurement technology, time counting vibration measurement technology, Doppler vibration measurement technology and so on. However, the above methods cannot meet the requirements for the vibration detection of the main shaft of the mining hoist in terms of measurement accuracy, measurement speed, measurement c...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01H9/00
Inventor 乔铁柱魏福鹏靳宝全王峰王跃龙景毅
Owner TAIYUAN UNIV OF TECH
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