Composite core rod torsion tester

A technology of torsion testing machine and composite mandrel, which is applied in the direction of measuring devices, instruments, scientific instruments, etc. It can solve the problems of sample mandrel rotation or axial slippage, lower test accuracy, and failure to clamp, etc., to achieve clamping Unique and reliable holding mechanism, broadened test range, simple and reliable structure

Inactive Publication Date: 2013-09-04
HENGSHEN
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  • Abstract
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Problems solved by technology

However, there are some unsatisfactory places in the composite mandrel torsion testing machine currently on the market: or the power transmission depends on gears and chains, and the mechanism is bulky and complicated; or the clamping method uses a chuck, the clamping area is small, and the clamping force is small. Hold, it will slip, the sample mandrel will rotate or slide axially, and the clamping force will damage the sample mandrel, so that the sample mandrel will be damaged before the test starts, reducing the accuracy of the test ; or limited by

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  • Composite core rod torsion tester
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[0018] The present invention will be further explained below in conjunction with the drawings.

[0019] See figure 1 , The reducer 2, the front clamping assembly, the rear clamping assembly, and the pulley assembly 18 of the composite mandrel torsion testing machine of the present invention are connected to the workbench 1 by bolts 11; the reducer 2 and the front clamping assembly are connected by a coupling sleeve 5. The rear clamping assembly and the weight 19 are connected by the pulley assembly 18 with a rope 17; the sample core rod 10 is clamped and positioned by the front clamping assembly and the rear clamping assembly; the V-shaped block 16 supports the rear clamping assembly.

[0020] Such as figure 2 As shown, before starting the torsion test of the composite mandrel, make sure that the power supply is in the disconnected state; then cut the mandrel of the corresponding length according to the diameter, as described above in the front front inner cone jacket 7 and the re...

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Abstract

The invention provides a composite core rod torsion tester. The tester comprises a workbench, a power system, a front clamping component, a rear clamping component and a tension mechanism. When the tester is used for testing, a sample core rod is used for clamping and positioning by utilizing the taper through the front and rear clamping components, so that the clamping acts stably and reliably, and cannot destroy the core rod. The whole equipment is compact in structure, concise, economical and practical, and is convenient to operate, so that a convenient and reliable testing means is provided for detecting the torsion performance of a core rod.

Description

technical field [0001] The invention belongs to the technical field of material testing machines, and in particular relates to a composite mandrel torsion testing machine, which uses a simple device to test and evaluate the torsion resistance of a composite mandrel. Background technique [0002] At present, with the rapid development of the power industry, the application of new composite core cables is imminent, and the torsional load performance of composite core rods has become an important indicator for evaluating the quality of composite core cables. However, there are some unsatisfactory places in the composite mandrel torsion testing machine currently on the market: or the power transmission depends on gears and chains, and the mechanism is bulky and complicated; or the clamping method uses a chuck, the clamping area is small, and the clamping force is small. Hold, it will slip, the sample mandrel will rotate or slide axially, and the clamping force will damage the sa...

Claims

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Application Information

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IPC IPC(8): G01N3/26
Inventor 於永红张东春邱茂顺吴维维张少伟刘小平
Owner HENGSHEN
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