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A device and method for testing the performance of multiple wires inside a hoisting wire rope

A testing device and wire rope technology, which is used in measuring devices, testing wear resistance, and testing material strength by applying repetitive force/pulse force.

Active Publication Date: 2021-06-08
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual production, the friction and wear observation of the internal multi-filament helical contact of the steel wire rope cannot be completed with the existing technical means.

Method used

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  • A device and method for testing the performance of multiple wires inside a hoisting wire rope
  • A device and method for testing the performance of multiple wires inside a hoisting wire rope
  • A device and method for testing the performance of multiple wires inside a hoisting wire rope

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Experimental program
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Embodiment Construction

[0083] The present invention will be described in detail below in conjunction with specific embodiments.

[0084] Such as Figure 1-8 , lifting the internal multi-wire performance testing device of the steel wire rope, including a worktable, an internal multi-wire helical contact mechanism of the steel wire rope placed on the workbench, a multi-wire loading mechanism and a drum loading mechanism inside the steel wire rope;

[0085] The workbench includes four profile columns 47, two beams 46 welded between the profile columns, the workbench table top 1 supported by the four columns, the column 48 symmetrically welded on the workbench, and two beams welded on one side of the workbench. Rectangular holes for preventing interference on columns and workbenches.

[0086] In this embodiment, the central steel wire pulling and twisting mechanism is used to perform torsion and tension testing on the central steel wire in the steel wire strand. One end of the central steel wire is con...

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Abstract

The invention discloses a device and method for testing the internal multi-wire performance of a hoisting steel wire rope. The device includes a workbench, an internal multi-filament spiral contact mechanism of a steel wire strand arranged on the workbench, a multi-wire loading mechanism inside a steel wire strand, and a roller loading mechanism. The multi-wire performance testing device inside the hoisting steel wire rope of the present invention can realize the working condition of the multi-wire helical contact inside the steel wire rope strand on one experimental device, and truly simulate the friction and wear between the steel wires inside the steel wire rope strands and between the steel layers. Friction and wear are two types of motion behavior.

Description

technical field [0001] The invention relates to a device and method for testing the performance of multiple wires inside a hoisting wire rope. Background technique [0002] The steel wire rope is a flexible hoisting structure with a three-dimensional helical space structure, which is twisted into strands at a certain twist angle, and then twisted into strands. Because it can transmit long-distance loads, it has a large bearing capacity, good flexibility, and smooth movement. Noise can withstand large axial loads, and has the advantages of low bending and torsional stiffness, so it is widely used in various practical engineering applications such as cranes, elevators, and mine hoists. However, due to its complex and changeable working conditions, including harsh working conditions such as high temperature, water (ice) and corrosive gas (liquid). As a result, the friction and wear of the steel wire inside the steel wire rope is serious, reducing the service life of the steel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/56G01N3/38G01N3/02G01N3/04
CPCG01N3/02G01N3/04G01N3/38G01N3/56G01N2203/0005G01N2203/0026G01N2203/005G01N2203/028G01N2203/0423G01N2203/0676G01N2203/0682
Inventor 彭玉兴黄坤朱真才卢昊曹国华周公博沈刚徐春明王方方
Owner CHINA UNIV OF MINING & TECH
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