Micro gap-free transmission type fatigue testing machine

A fatigue testing machine, transmission type technology, applied in the field of fatigue testing machine, can solve the problems of structural redundancy, obvious backlash, large volume, etc., achieve the effect of small size, light weight, and ensure the whole process of dynamic monitoring

Active Publication Date: 2017-10-10
凯尔测控技术(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small size of the cavity of the above-mentioned instruments, most of them are in a vacuum environment, and there are strict requirements on the weight of the testing machine, while the uniaxial tension-compression fatigue testing machine is mostly realized by hydraulic system or gear transmission, which has the characteristics of high heat generation, large volume and redundant structure. It is difficult to be compatible with the above-mentioned instruments and cannot meet the mechanical performance test requirements of various new materials such as microelectronic materials and polymer materials.

Method used

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  • Micro gap-free transmission type fatigue testing machine
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Embodiment Construction

[0027] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0028] Such as figure 1 and figure 2 As shown, this embodiment provides a miniature non-backlash transmission fatigue testing machine, which includes a body, a symmetrical loading unit, a clamping unit, a signal detection unit, and a limit protection device.

[0029] The body is composed of a base plate 21 , a front baffle 15 , a rear baffle 6 and a support plate 12 . The bottom plate 21 is provided with a transmission window, which corresponds to the left clamp 2, the right clamp 3 and the lower part of the clamped sample, so that neutron diffraction, X-ray, synchrotron radiation light source, atomic force microscope and other instruments can pass through the transmission window. Transmission observation, so as to realize the whole dynamic monitori...

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Abstract

The invention belongs to the field of testing of mechanical properties of materials and discloses a micro gap-free transmission type fatigue testing machine. The fatigue testing machine comprises a machine body as well as a symmetric loading unit, a clamping unit, a signal detection unit and a limit protection device which are arranged in the machine body; the symmetric loading unit comprises a servo motor, synchronous wheel synchronous belts, left-hand and right-hand two-way ball screws, left and right cross beams and two nut locking structures, the clamping unit comprises a left clamp and a right clamp, the signal detection unit comprises a micro displacement sensor and a micro load sensor, and the limit protection device comprises a magnetic switch and a magnet. The fatigue testing machine is small in size, compact in structure, gap-free, high in detection accuracy and capable of being mounted on various microstructure observation instruments such as an electron microscope, an atomic force microscope, X-ray, neutron diffraction and scanning electron microscopes and the like to deeply analyze the mechanical performance of materials.

Description

technical field [0001] The invention belongs to the field of testing mechanical properties of materials, and in particular relates to a fatigue testing machine. Background technique [0002] At present, in the process of testing the mechanical properties of materials, not only the macroscopic observation of the sample is carried out, but more and more microstructure observation instruments such as electron microscopes, atomic force microscopes, X-rays, neutron diffraction and scanning electron microscopes are used to detect the occurrence of materials. The whole process of microscopic deformation, damage and failure is monitored dynamically. Due to the small size of the cavity of the above-mentioned instruments, most of them are in a vacuum environment, and there are strict requirements on the weight of the testing machine, while the uniaxial tension-compression fatigue testing machine is mostly realized by hydraulic system or gear transmission, which has the characteristics...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/32G01N3/06G01N3/02
CPCG01N3/02G01N3/06G01N3/068G01N3/32G01N2203/0017G01N2203/0019G01N2203/0026G01N2203/0073G01N2203/0252G01N2203/0641
Inventor 陈刚林强王磊
Owner 凯尔测控技术(天津)有限公司
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