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Structural non-linear fatigue damage testing system

A nonlinear fatigue and testing system technology, applied in the field of test equipment manufacturing, can solve problems such as performance and life testing, and achieve the effect of large adjustment range, convenient adjustment and convenient installation of test pieces

Inactive Publication Date: 2014-01-15
中机试验装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a structural nonlinear fatigue damage testing system to solve the problem of testing the performance and life of rope parts of metal materials when working in a special environment

Method used

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  • Structural non-linear fatigue damage testing system
  • Structural non-linear fatigue damage testing system
  • Structural non-linear fatigue damage testing system

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Experimental program
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Embodiment Construction

[0010] The dynamic balance wheel support 1 is fixedly connected to the fixed guide rail 20 of the whole machine foundation, the dynamic part support 2 is fixedly connected to the dynamic balance wheel support 1 through the reinforcement beam 30, and is fixedly connected to the fixed guide rail 14 of the frequency conversion motor foundation and the fixed guide rail 20 of the whole machine foundation, Constitute an integral closed frame, the dynamic part positioning block 3 is fixedly connected with the dynamic part bracket 2, the T-shaped screw 4 is fixedly connected with the moving beam 22 and the synchronous pulley 7 through the T-shaped screw bearing fixing seat 26, and the position of the eccentric wheel is adjusted The support 8 is fixedly connected with the balance wheel 11, the two ends of the eccentric wheel adjustment lead screw 9 are respectively fixedly connected with the eccentric wheel position adjustment support 8 and the swing rod moving seat 10, the eccentric whe...

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Abstract

The invention relates to a structural non-linear fatigue damage testing system, belonging to the field of manufacturing of test equipment. The system consists of a dynamic balance wheel bracket, a dynamic part bracket, a T-shaped lead screw, a static part bracket, a stay-wire-type photoelectric encoder, synchronous pulleys, a servo motor, a distance regulation wheel mechanism, a load sensor, a variable-frequency speed regulating motor and other parts. The structural non-linear fatigue damage testing system has the advantages that the structure is novel, is loaded in a horizontal manner, is applicable to testing of test pieces with different sizes, has a wide range of regulation and facilitates the installation of the test pieces; and the load average of rope samples is controlled in real time through the servo motor, so that the stability and reliability of tests are guaranteed, and the testing times, load variation and displacement variation are recorded in real time for testing the load-bearing limit and service life limit of the rope samples. Dynamic parts can be connected by a relative special fixture to perform simulation tests on a shock absorber, thereby detecting the service life of the shock absorber.

Description

technical field [0001] The invention belongs to the field of test equipment manufacturing, and is mainly used for fatigue life testing and creep performance testing for nonlinear fatigue damage of non-metallic materials and metal materials. Background technique [0002] Now structural parts are more and more widely used in production, and rope parts, whether metal or non-metal composite materials, are used in various production fields. It can measure and monitor the entire stretch and fatigue process of rope parts. Clamp and test test pieces such as ropes by changing different types of fixtures, and judge the life of rope parts through the analysis of experimental data; and perform simulation tests of shock absorbers by changing the connection mode of the fixtures. [0003] Especially when the offshore operation needs to stabilize the hull and when the ship is docked, ropes are required to be fixed. Due to the corrosiveness of seawater, especially the corrosion of rope part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/34
Inventor 范晓望张泳蒋东霖李林安许太李大志魏仁杰韩巍
Owner 中机试验装备股份有限公司
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