Three-edged sleeve type detection apparatus for tension force of steel wire rope and method thereof

A tension detection and steel wire rope technology, which is applied in tension measurement and other directions, can solve the problems of damaging the integrity of the steel wire rope, affecting the mechanical properties, and low detection efficiency, and achieves the effects of fast detection speed, convenient operation, and high detection efficiency

Active Publication Date: 2013-11-20
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods have the following problems: one is to destroy the integrity of the steel wire rope; the other is to exert additional force on the steel wire rope, which affects its mechanical properties; the third is to install complicatedly and the detection efficiency is low

Method used

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  • Three-edged sleeve type detection apparatus for tension force of steel wire rope and method thereof
  • Three-edged sleeve type detection apparatus for tension force of steel wire rope and method thereof
  • Three-edged sleeve type detection apparatus for tension force of steel wire rope and method thereof

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Embodiment Construction

[0018] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0019] The triangular sleeve type steel wire rope tension detection device of the present invention comprises a triangular sleeve type tension sensing plate 4 buckled and pressed on the steel wire rope 1, and the material of the triangular sleeve type tension sensing plate 4 is a material with good strength and toughness. Made of high-quality carbon steel with a carbon content of 0.5% to 0.8%. The triangular sleeve-type tension sensing plate 4 is composed of a V-shaped plate and an in-line plate fixed and fastened on the V-shaped plate through the inner fastening bolt 6. The cross-section of the triangular sleeve-type tension sensing plate 4 is an equilateral triangle. The diameter of the inscribed circle of the equilateral triangle is 90% to 95% of the diameter of the steel wire rope 1 . 6 to 10 resistance strain gauges 5 are arranged at intervals at the ...

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Abstract

The invention relates to a three-edged sleeve type detection apparatus for a tension force of a steel wire rope and a method thereof. The apparatus includes a three-edged sleeve type tension force induction plate that is buckled and pressed on a steel wire rope; a plurality of resistance strain gauges that are in an interval arrangement are arranged at positions where three surfaces of the three-edged sleeve type tension force induction plate and the steel wire rope are contacted with each other; a hollow rectangular clamping cover is arranged outside the three-edged sleeve type tension force induction plate, wherein the upper portion and the low portion of the hollow rectangular clamping cover are buckled on the steel wire rope; and a signal processor is arranged at a bottom of an inner side of the hollow rectangular clamping cover. The three-edged sleeve type tension force induction plate that is buckled and pressed on the steel wire rope is utilized; radial contraction and expansion of the steel wire rope under the effect of the tension force are converted into voltage changes of the resistance strain gauges that are arranged on the outer wall of the three-edged sleeve type tension force induction plate along a central axis; the signal processor is used to detect output voltage changes of the resistance strain gauges and a tension force change of the steel wire rope is calculated; and a radio frequency device is used to transmit tension force data of the steel wire rope to an industrial control computer, thereby realizing detection on the tension force of the steel wire rope. According to the invention, the apparatus has advantages of simple structure, convenient operation, high detection efficiency and fast detection speed.

Description

technical field [0001] The invention relates to a triangular sleeve type steel wire rope tension detection device and method, especially suitable for tension detection of round strand steel wire ropes. Background technique [0002] As a key component of hoisting, traction, and load-bearing mechanisms, wire ropes are widely used in mine hoisting, bridge suspension, aerial ropeways, etc., and their tension directly reflects the operating status of the equipment. At present, the steel wire rope tension detection mainly adopts the following three methods: one is the direct detection method of connecting the sensor in series with the steel wire rope; the other is the indirect detection method of using the three-point bending method to detect the lateral force of the steel wire rope; Oscillatory wave method for relationship between wave propagation velocities. The rope tension measuring device whose publication number is CN 200810185697.9 uses a three-point bending method to meas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/10
Inventor 曹国华朱真才王重秋王进杰彭维红周公博李伟彭玉兴宋静张磊睢文文吴荣华
Owner CHINA UNIV OF MINING & TECH
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