Torsion locking and releasing device of Hopkinson torsion bar

A release device and torque technology, applied in the field of material dynamic mechanical properties experimental equipment, can solve the problems of inability to precisely control the clamping force, poor experimental repeatability, and inability to complete the release process in an instant, achieving a degree of automation and high experimental accuracy and repeatability. Good performance, fast and flexible conversion

Pending Publication Date: 2020-07-03
南京山河特种设备科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of the existing Hopkinson torsion bar torque release device that the clamping force cannot be precisely controlled, the release process cannot be completed instantaneously, and the experiment repeatability is poor, and to provide a new type of torque locking for the clustered Hopkinson torsion bar Release device to meet the needs of material dynamic torsion experiments

Method used

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  • Torsion locking and releasing device of Hopkinson torsion bar
  • Torsion locking and releasing device of Hopkinson torsion bar

Examples

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0019] Such as figure 1 and figure 2 As shown, the novel torque locking release device adopts a hydraulic / pneumatic linkage mechanism, mainly consisting of a cylinder body 1, a side end cover 2, a gland 3, a piston 4, a plug 5, a guide sleeve 6, a friction plate seat 7, The friction plate 8 and the electromagnetic quick valve 9 are formed. The cylinder body 1 has circular through holes in the left and right directions and special-shaped through holes in the front and rear directions, and the axes of the two intersect. The outlets of the through holes on the left and right sides are provided with side cover plates 2 for sealing, and the glands 3 are installed at the special-shap...

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PUM

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Abstract

The invention provides a torsion locking and releasing device of a Hopkinson torsion bar. The torsion locking and releasing device adopts a hydraulic or pneumatic linkage mechanism, and comprises a cylinder body, a side end cover, a gland, pistons, plugs, guide sleeves, friction plate seats, friction plates and an electromagnetic quick valve, wherein the cylinder body is provided with a left-rightcircular through hole and a front-back through hole, the axes of the left-right circular through hole and the front-back through hole intersect, the side cover plate is arranged at an outlet of the left-right circular through hole for sealing, and the gland is arranged at the special-shaped front-back through hole; and the two sets of pistons, plugs, guide sleeves, friction plate seats and friction plates are symmetrically arranged in the left-right circular through hole of the cylinder body.

Description

technical field [0001] The invention relates to the field of experimental equipment for dynamic mechanical properties of materials, in particular to a torsion release device for a Hopkinson torsion bar. Background technique [0002] The Hopkinson torsion bar is an experimental device for studying the dynamic shear properties of materials under impact loads. The sudden release of stored strain energy is one of the commonly used loading methods. The energy storage release method is to divide the input torsion bar into two sections through the clamp mechanism, one section can be applied with torsion torque (called the pre-twist section), and the other section (unloaded section) can be prevented from twisting by the clamp; when the clamp is released When , the elastic rotational deformation in the pre-twisted section can be transmitted to the unloaded section of the incident rod in the form of a torsional pulse. The conventional clamp is mainly composed of two semi-circular bri...

Claims

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Application Information

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IPC IPC(8): G01N3/36G01N3/22G01N3/02
CPCG01N3/02G01N3/22G01N3/36G01N2203/001G01N2203/0019G01N2203/0025G01N2203/0048
Inventor 谢方马赛平王源宗周红李新平晋冬艳
Owner 南京山河特种设备科技有限公司
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