Steel wire rope bending fatigue testing apparatus

A technology of bending fatigue and test equipment, which is applied in the direction of measuring equipment, application of repeated force/pulsation force to test material strength, instruments, etc., can solve problems that easily affect the accuracy of test data, tension changes, etc., achieve constant tension and improve accuracy Effect

Pending Publication Date: 2019-01-04
WUXI UNIVERSAL STEEL ROPE
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Problems solved by technology

[0003] The object of the present invention is to address the above problems, to provide a steel wire rope bending fatigue test device, to solve the problem that the weight of the weight of the counterweight wheel configuration of the existing steel wire rope bending fatigue testing machine is constant, causing the tension of the steel wire rope in the process of sliding up and down through the test wheel Constantly changing, which easily affects the accuracy of test data

Method used

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  • Steel wire rope bending fatigue testing apparatus

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Embodiment Construction

[0012] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0013] Please refer to figure 1 as shown, figure 1 It is a structural schematic diagram of a steel wire rope bending fatigue test device.

[0014] In this embodiment, a steel wire rope bending fatigue test device includes a frame 1 and a driving wheel 2 installed on the same side of the frame 1, a test wheel 3, a guide wheel 4, a counterweight wheel 5, a control box 7 and The driving device for driving the driving wheel 2, the top of the frame 1 is equipped with an operation panel 10, the operation panel 10 is electrically connected to the control box 7, the driving device is electrically connected to the control box 7, and The driving device comprise...

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Abstract

The invention discloses a steel wire rope bending fatigue testing apparatus which comprises a rack, a driving wheel, a test wheel, a guide wheel, a counterweight wheel, a control box and a driving device, wherein the driving device is used for driving the driving wheel; the counterweight wheel is mounted on a wheel stand; a fixing block is arranged on the rack and positioned above the counterweight wheel; a chute is formed in the fixing block along the vertical direction; the upper end of the wheel stand is connected into the chute in a sliding manner; the lower end of the wheel stand is connected with a servo driving device used for driving the wheel stand to move up and down; the servo driving device is electrically connected with the control box; a tension sensor is arranged on the testwheel; and the tension sensor is electrically connected with the control box. According to the testing apparatus disclosed by the invention, the tension stressed by a to-be-tested steel wire rope isacquired in real time by the tension sensor, the wheel stand is driven to move up and down by a servo electric cylinder so as to give a certain compensation in the process of enabling the to-be-testedsteel wire rope to slide up and down, and the tension stressed by the to-be-tested steel wire rope in the testing process is further kept constant, so that the accuracy of test data is improved.

Description

technical field [0001] The invention relates to the field of steel wire rope performance testing equipment, in particular to a steel wire rope bending fatigue test device. Background technique [0002] At present, when steel wire ropes are tested for fatigue life, they are usually detected by a steel wire rope bending fatigue testing machine. Chinese patent literature publication CN106198252A discloses a steel wire rope bending fatigue testing machine, which includes a frame and a driving wheel, a test wheel, a guide wheel, a counterweight wheel, a driving device and a control box installed on the same side of the frame, wherein, The driving wheel is installed on the top of the frame, the test wheel is located on one side of the driving wheel, the balance wheel is arranged under the test wheel, and the guide wheel is located on the balance wheel. Between the driving device and the driving wheel, a driving rod is connected between the driving device and the driving wheel. On...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/38
CPCG01N3/02G01N3/38
Inventor 张浩丁家新
Owner WUXI UNIVERSAL STEEL ROPE
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