Method used for confirming load of lifting system on basis of image identification
A hoisting system and image recognition technology, applied in image enhancement, image analysis, image data processing and other directions, can solve problems such as affecting hoisting safety, large force on wire ropes, rope breaking accidents, etc., to avoid rope breaking, strong adaptability, Easy-to-use effects
Inactive Publication Date: 2018-05-01
CHINA UNIV OF MINING & TECH
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Problems solved by technology
Because it is necessary to ensure its safe operation during the lifting process, the load of the lifting container must be within the set range. If the load cannot be measured in advance, there will be an overweight phenomenon, which will cause excessive force on the wire rope and even cause a broken rope accident. , seriously affecting the safety of the boosted
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] Since the load of the steel wire rope affects the lateral motion of the steel wire rope, and the lateral motion state of the steel wire rope is related to the lateral vibration frequency of the steel wire rope, the load of the steel wire rope can be indirectly calculated by extracting the lateral vibration frequency of the steel wire rope. Based on this consideration, it is extremely important to use what method to extract the transverse vibration frequency of the steel wire rope; we break through the traditional thinking and use image processing methods to decipher the transverse vibration frequency of the steel wire rope.
[0014] The traditionally designed lifting system includes a reel 1, a sky wheel 5, a wire rope 4 and a lifting container 6. One end of the wire rope 4 is wound on the reel 1, and the other end is connected to the lifting container 6 after wi...
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The invention discloses a method used for confirming the load of a lifting system on the basis of image identification, and is applicable to load identification of the lifting system and an elevator traction system. The lifting system comprises an industrial camera, a communication cable and an industrial personal computer, the industrial camera is arranged on one side of a winding drum, the industrial camera is connected with the industrial personal computer through the communication cable, image signals, shot by the industrial camera, of a steel wire rope are received through the industrialpersonal computer, image data are transmitted to the industrial personal computer, the industrial personal computer analyzes the motion state of the steel wire rope, extracts the vibration frequency of the steel wire rope and calculates tension changes before and after the load, and thus the method for confirming the load of the lifting system through image identification is realized. The method for confirming the load of the lifting system on the basis of image identification and the lifting system have the beneficial effects that the method is simple, operation is convenient, adaptability ishigh, and a traditional method for identifying the load of the system is broken through.
Description
technical field [0001] The invention relates to a method for confirming the load of a lifting system based on image recognition, which is suitable for load recognition of complex lifting systems. Background technique [0002] In coal mine production, mine hoisting equipment is the "throat" equipment that connects the underground and the ground, so it occupies a particularly important position in mine production. Its main purpose is to lift coal and gangue along the shaft, and lift personnel and equipment. Among them, the wire rope plays an important role in the lifting system. For friction or winding drums, the object being lifted is moved up and down by a wire rope on the drum. Because it is necessary to ensure its safe operation during the lifting process, the load of the lifting container must be within the set range. If the load cannot be measured in advance, there will be an overweight phenomenon, which will cause excessive force on the wire rope and even cause a brok...
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IPC IPC(8): B66B5/00G06T7/00G06T7/246
CPCB66B5/0031G06T7/0004G06T7/246G06T2207/10016G06T2207/20064G06T2207/30108
Inventor 张云长曹国华朱真才王乃格蔡翔彭维红周公博花纯利彭玉兴刘善增
Owner CHINA UNIV OF MINING & TECH