An online prediction system and method for the remaining life of elevator traction wire rope
A technology of elevator traction and prediction system, which is applied in measurement devices, material analysis by electromagnetic means, instruments, etc., can solve the problems such as detection time and accuracy cannot be guaranteed.
Active Publication Date: 2021-08-20
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology
But at present, in most cases, the detection of traction wire ropes still relies on manual work, and it needs to be shut down, so the detection time and accuracy cannot be guaranteed
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[0038] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. As a part of this specification, the principles of the present invention will be described through examples. Other aspects, features and advantages of the present invention will become clear through the detailed description. In the referenced drawings, the same reference numerals are used for the same or similar components in different drawings.
[0039] Such as Figure 1-2 As shown, the present invention adopts the method of eddy current detection to monitor the running elevator traction wire rope in real time, and predicts the remaining life of the elevator traction wire rope under test by comparing the signals. The online prediction system for the remaining life of the elevator traction wire rope of the present invention includes a detection module, a signal conditioning module 6 and an analysis and evaluation module 5 .
[0040]Where...
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The invention discloses an online prediction system and method for the remaining life of an elevator traction wire rope, comprising: a detection module, including an oscillator and a detection device, used for real-time monitoring of an elevator traction wire rope in operation by means of eddy current detection; The conditioning module, connected with the detection module, is used to convert the monitored data into detection signals; the analysis and evaluation module, connected with the signal conditioning module, is used to compare the collected detection signals with the pre-stored elevator traction wire ropes in the database. The degree and life information are compared to predict the life of the detected elevator traction wire rope. The invention adopts the method of eddy current detection to monitor in real time whether there are defects in the elevator traction wire rope in operation, and predicts the remaining life of the tested steel wire rope through signal comparison, which provides timely repair and replacement of the elevator traction wire rope Effective information is of great significance to the safe operation of elevators.
Description
technical field [0001] The invention belongs to the technical field of elevator non-destructive testing, and in particular relates to an online prediction system and method for the remaining life of elevator traction wire ropes. Background technique [0002] With the rapid development of high-rise buildings in recent years, the society's demand for elevators is increasing day by day. As one of the main components to ensure the safety of elevators, elevator traction wire ropes usually experience internal and external wear, broken wires, and fatigue after being used for a period of time. , rust and other damages, thus threatening the stability of elevator performance and the safety of users. Therefore, real-time monitoring of the traction rope and timely detection of the damage of the wire rope, so as to predict the remaining life of the wire rope, are very important for the timely replacement of the wire rope. But at present, in most cases, the detection of traction wire rop...
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IPC IPC(8): G01N27/90
CPCG01N27/90G01N27/9006G01N27/9046
Inventor 张强代晓丹田莹张东钥
Owner SHANDONG UNIV OF SCI & TECH