Bending fatigue testing machine for steel wire rope

A bending fatigue and wire rope technology, applied in the field of wire rope performance testing, can solve the problems of low test efficiency, high price, deviation of test data and actual use data, etc., and achieve the effect of high test efficiency, simple structure, and accurate and reliable test data.

Inactive Publication Date: 2016-12-07
WUXI UNIVERSAL STEEL ROPE
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  • Abstract
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Problems solved by technology

[0002] As we all know, the steel wire ropes used for the electric elevator of the door machine in the car and the steel wire ropes used for the opening and closing of the elevator door machine are characterized in use: frequent start-up, large load changes, changeable running directions, and need to bear certain vibration loads and impact loads. At present, my country is testing There are no requirements for fatigue lif

Method used

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  • Bending fatigue testing machine for steel wire rope

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Embodiment Construction

[0013] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0014] see figure 1 as shown, figure 1 It is a structural schematic diagram of a steel wire rope bending fatigue testing machine provided in Embodiment 1 of the present invention.

[0015] In this embodiment, a steel wire rope bending fatigue testing machine includes a frame 1 and a drive wheel 2 installed on the same side of the frame 1, a test wheel 3, a guide wheel 4, a counterweight wheel 5, a variable frequency speed regulating motor 6 and Control box 7, the driving wheel 2 is installed on the oblique upper corner of the frame 1, the test wheel 3 is located on one side of the driving wheel 2, and the balance wheel 5 is arranged on the side of the test wheel 3 Below, the guide wheel 4 is located between the counterweight wheel 5 and the driving wheel 2, and one end of the steel wire rope 8 to ...

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Abstract

The invention discloses a bending fatigue testing machine for a steel wire rope. The bending fatigue testing machine comprises a frame and a drive wheel, a testing wheel, a guide wheel, a counterweight wheel, a drive device and a control box which are mounted on the same side of the frame, wherein the drive wheel is mounted on the upper portion of the frame, the testing wheel is located on one side of the drive wheel, the counterweight wheel is arranged below the testing wheel, the guide wheel is located between the counterweight wheel and the drive wheel, a drive rod is connected between the drive device and the drive wheel, one end of the to-be-tested steel wire rope is fixed to the drive wheel, the other end of the to-be-tested steel wire rope sequentially winds around the guide wheel, the counterweight wheel and the testing wheel to be fixed to the drive wheel, and the drive device is electrically connected with the control box. The bending fatigue testing machine is simple and compact in structure, high in testing efficiency and accurate and reliable in testing data.

Description

technical field [0001] The invention belongs to the steel wire rope performance testing technology, in particular to a steel wire rope bending fatigue testing machine. Background technique [0002] As we all know, the steel wire ropes used for the electric elevator of the door machine in the car and the steel wire ropes used for the opening and closing of the elevator door machine are characterized in use: frequent start-up, large load changes, changeable running directions, and need to bear certain vibration loads and impact loads. At present, my country is testing There are no requirements for fatigue life indicators in product standards, and there is no testing machine for corresponding testing indicators. All complete machine factories and steel wire rope manufacturing factories can only use bending fatigue testing machines, which generally occupy a large area, are relatively expensive, and are not easy to popularize and use. The shortcomings of low efficiency and some dev...

Claims

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Application Information

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IPC IPC(8): G01N3/20
CPCG01N3/20G01N2203/005G01N2203/0073G01N2203/028
Inventor 张浩
Owner WUXI UNIVERSAL STEEL ROPE
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