Movable type loading device in any direction

A loading device, technology in any direction, applied to measuring devices, using stable tension/pressure to test material strength, instruments, etc., can solve problems such as inconvenient operation, inaccurate loading, and complex structure

Inactive Publication Date: 2010-12-15
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no experimental device for two-way loading. To do two-way loading experiments, two sets of loading devices must be installed to cooperate with each other. The structure is complex, the operation is inconvenient, and the loading is not accurate.

Method used

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  • Movable type loading device in any direction
  • Movable type loading device in any direction

Examples

Experimental program
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Effect test

Embodiment Construction

[0009] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

[0010] The movable arbitrary direction loading device of the present invention is mainly composed of a base 11 , a horizontal and angular displacement loading device arranged on the base 11 and a fixed base 9 of the cantilever beam 10 to be tested. The horizontal and angular displacement loading device is arranged on one side of the base 11, and the fixed base 9 for fixing the tested cantilever beam 10 is arranged on the other side of the base 11. The middle part of the tested cantilever beam 10 is provided with a Strain gauges, the end of the tested cantilever beam 10 is provided with a contact position adjustment device, the contact position adjustment device includes a dovetail groove slideway clamp block 17, a slide block matched with the dovetail groove slideway clamp block 17, the slide A spherical contact 16 is fixed on the block, and the upper en...

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PUM

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Abstract

A movable type loading device in any direction comprises a circular arc guide rail, an outer slider and an inner slider, wherein a dovetail groove below the circular arc guide rail can ensure the circular arc guide rail to slide leftwards and rightwards; ball holes are arranged in a groove in the circular arc guide rail; four pressure spring balls on the inner slider can slide in the ball holes in the groove in the circular arc guide rail in a saltatory manner; the outer slider can slide on the circular arc guide rail and slide relative to the inner slider by fine-adjusting a screw rod, thus ensuring the outer slider to be precisely located in any direction between minus 90 degrees and plus 90 degrees; and a worm wheel, a worm and a force sensor are fixed on the outer slider. The device can load the test specimens, the load direction can be arbitrarily adjusted between minus 90 degrees and plus 90 degrees, simultaneously the load action point can horizontally move leftwards and rightwards and the load can be pressure or pull. The loading device can load the test specimens in different directions. The device has beautiful and concise structure and stable performance, is convenient to operate and use, can precisely determine the position and direction of the load and has wide practicability.

Description

technical field [0001] The invention relates to a loading device, in particular to a movable loading device in any direction suitable for experiments such as plane bending, oblique bending, bending-torsion combination and the like of beams. Background technique [0002] In the experiment of material mechanics, it is necessary to do the bending experiment of the cantilever beam. The existing loading device only has the one-way loading experimental device, and the loading direction of the device is unchanged. This type of loading device can generally only be used for plane bending experiments. For beams, there are mainly combined deformation forms such as oblique bending and bending torsion. The key to these experiments is to require that the load can change its orientation arbitrarily in a plane perpendicular to the beam. At present, there is no experimental device for bidirectional loading. To do a bidirectional loading experiment, two sets of loading devices must be instal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/08
Inventor 严圣平赵鹏关祥慧李之坚刘玉庆
Owner CHINA UNIV OF MINING & TECH
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