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Composite type fracture test loading device

A technology of fracture test and loading device, which is applied in the direction of measuring device, applying stable tension/pressure to test material strength, instruments, etc., which can solve the problems affecting the acquisition of test data and theoretical analysis research, non-continuous adjustment of angle, inconvenient assembly and disassembly, etc. Problems, easy to manufacture, avoid inconvenient clamping and disassembly, and convenient assembly and disassembly

Active Publication Date: 2016-03-16
GUILIN UNIV OF ELECTRONIC TECH
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AI Technical Summary

Problems solved by technology

[0003] At this stage, the devices used in domestic composite fracture tests can only perform tests at several fixed angles, and cannot continuously adjust the angles, or have complex structures, difficult operations, and inconvenient assembly and disassembly, which greatly affect the acquisition of test data and theoretical analysis and research.

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  • Composite type fracture test loading device
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  • Composite type fracture test loading device

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Embodiment Construction

[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0019] Such as Figure 1-3 As shown, a composite fracture test loading device includes a pair of C-shaped arc plates 1 arranged up and down opposite and coplanar, and the central angle of the C-shaped arc plates 1 is 90°. The C-shaped arc plate 1 is provided with an arc chute 11 that is fixed to the testing machine by a set bolt, and the position corresponding to the arc chute 11 on the C-shaped arc plate 1 is provided with an experimental Angle scale 12 of the included angle between the mechanical load and the normal direction of the crack surface 32 of the test piece, fixing the positioning bolts to different positions of the arc chute 11, can realize the adjustment of the included angle between the mechanical loa...

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Abstract

The invention relates to a composite type fracture test loading device including a pair of C-shaped arc plates which face each other in the vertical direction and are coplanar; each C-shaped arc plate is provided with a circular arc chute for fixing the C-shaped arc plate on a testing machine through positioning bolts; the inner walls of the C-shaped arc plates also are respectively fixedly provided with cross fixing parts facing each other in the vertical direction; the cross-shaped parts are each provided with a cross-shaped groove for clamping a specimen, each cross-shaped groove comprises a first clamping groove and a second clamping groove vertically crossed with each other, and each cross-shaped fixing part surface is divided into four convex stand columns by the cross-shaped groove, each stand column is provided with fixing holes having two axes perpendicular to each other and corresponding to connecting holes on the specimen, and each fixing hole is internally provided with a bolt for connecting the specimen and fixing the specimen in the cross-shaped groove. The I / II type and I / III type composite fracture test loading is achieved, and the test loading device having simple structure and continuously adjustable angle is provided for studies of fracture properties of materials.

Description

technical field [0001] The invention relates to the field of material fracture research, in particular to a composite fracture test loading device. Background technique [0002] Material fracture is a common failure mode. In the field of engineering, catastrophic accidents caused by cracks often occur. These extremely destructive accidents have caused great losses to society. Therefore, the research on fracture mechanics of materials has very important practical significance and application prospects. Obtaining effective data with the help of corresponding test tools is a key link in fracture mechanics research. [0003] At this stage, the devices used in domestic composite fracture tests can only perform tests at several fixed angles, and cannot continuously adjust the angles, or have complex structures, difficult operations, and inconvenient assembly and disassembly, which greatly affect the acquisition of test data and theoretical analysis and research. . Contents of t...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/08
CPCG01N3/02G01N3/08
Inventor 高成陶荟宇徐晋勇罗奕张斌高鹏陈金龙高波刘栋
Owner GUILIN UNIV OF ELECTRONIC TECH
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