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Zero damage multifunctional steel wire rope tension tester fixture

A tensile testing machine and steel wire rope technology, applied in the field of non-damaging multifunctional steel wire rope tensile testing machine fixtures, can solve problems such as single function, clamping end damage, and inability to objectively evaluate the safety status of steel wire ropes, so as to reduce compression damage and increase Grip contact area and length, and the effect of tensile test to ensure safety

Inactive Publication Date: 2013-11-27
UNIV OF JINAN
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

For the off-line tensile test of the intercepted end of the full-length stressed steel wire rope, the real safety status of the steel wire rope cannot be objectively evaluated. The four fixture test methods recommended by industry standards are also suitable for off-line testing of samples. Tends to cause damage to gripping end
In addition, according to data retrieval, the current steel wire rope tension test fixture only has a single function.

Method used

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  • Zero damage multifunctional steel wire rope tension tester fixture
  • Zero damage multifunctional steel wire rope tension tester fixture
  • Zero damage multifunctional steel wire rope tension tester fixture

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Embodiment Construction

[0029] The invention relates to a multifunctional tensile test fixture for clamping special flexible bodies and U-shaped rings combined with a direct clamping method, which can realize non-damaging clamping of slender flexible bodies and The tensile test of multiple U-shaped rings used for cable tension erection provides an effective guarantee for random online tensile tests of steel wire ropes.

[0030] The structure of the jaw part of the fixture is as follows figure 1 , figure 2As shown, it is mainly composed of connecting screw 1, base 2, tie rod 3, hydraulic cylinder 4, two semicircular flanges 5, screw 6, connecting piece 7, pin 8, dynamic clamping jaw 9, winding wheel 10, thick pier Shaft 11, tie rod seat 12, coupling pin 13, steel wire rope V-shaped positioning block 14 etc. are formed. The winding wheel 10 is fixed on the base 2 through the pier thick shaft 11 and the same threaded pin as the connecting pin 13, the S-type dynamic clamping jaw 9 is connected with th...

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Abstract

The invention particularly discloses a zero damage multifunctional steel wire rope tension tester fixture which comprises a base, wherein at least one movable clamping jaw opening driven by an air cylinder is formed in the base; at least one fixed clamping jaw opening is formed in the base; an S-shaped gap shaped like a circular tube and used for enabling a steel wire rope to penetrate through is formed between the movable clamping jaw opening and the fixed clamping jaw opening. The fixture can realize zero fracture random sampling on-line tensile test of the steel wire rope and provides valid guarantee for safe use of the entire coil of steel wire rope. The fixture can realize zero damage clamping of a flexible body under the condition of larger tension, can perform random on-line tensile test of the steel wire rope, and can guarantee safety tension test of the steel wire rope at any unwinding section.

Description

[0001] technical field [0002] The invention relates to a fixture of a non-damage multifunctional steel wire rope tensile testing machine, which can realize a non-damage tensile test with a maximum load of 800kN for a steel wire rope. Background technique [0003] According to GB / T8358-2006 "Steel Wire Rope Breaking Tensile Test Method", there are four clamping methods for steel wire rope specimens: casing pressure method, casting method, direct clamping method and winding method. The above-mentioned methods all adopt the sampling detection method, that is, a section is intercepted on the basis of the existing whole rope, and a breaking tensile test is carried out. The specific requirement of this test for the clamps at both ends is to prevent loosening and slipping of the clamping part of the specimen during the test process, and there is no clear requirement for whether the clamping part of the specimen is damaged. This type of method is suitable for the detection and ac...

Claims

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Application Information

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IPC IPC(8): G01N3/04
Inventor 崔卫华王慧陈俊杰吴学敬付超唐陆
Owner UNIV OF JINAN
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