Impact testing machine

A technology of impact testing machine and bullet holder, which is applied in the direction of impact testing, testing of machine/structural components, measuring devices, etc., and can solve problems such as inability to launch irregularly shaped projectiles

Inactive Publication Date: 2014-04-09
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the technical problem that the impact testing machine in the prior art canno...

Method used

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Embodiment Construction

[0013] figure 1 It is a schematic structural diagram of the impact testing machine according to the embodiment of the present invention; Figure 4 It is a perspective view of the assembly of the impact testing machine according to the embodiment of the present invention. The impact testing machine of this embodiment includes: a sling 2, a gun barrel 3 and a sling recovery 5. The bullet holder 2 is a cylinder, and the bullet holder 2 in the embodiment of the present invention can be other revolving body structures with a shape similar to a cylinder, as long as the good air tightness between the bullet holder 2 and the gun barrel 3 can be ensured; the gun barrel 3 It is used to launch the sling 2, and the inner wall of the gun barrel 3 and the side of the sling 2 of the cylinder are in clearance fit to ensure that the sling 2 obtains good air tightness in the process of being accelerated. When the cartridge holder 2 is located in the gun barrel 2, the end of the cartridge hold...

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Abstract

The invention provides an impact testing machine. The impact testing machine comprises a cylindrical pellet support, a gun barrel used for launching the pellet support and a pellet support recoverer, wherein the inner wall of the gun barrel is in clearance fit with the lateral side of the cylindrical pellet support, and the pellet support recoverer is arranged on an outlet of the gun barrel and is used for separating the pellet support and a pellet and guaranteeing smooth pass of the pellet when the pellet support and the pellet pass. When the pellet support is located in the gun barrel, the end, facing the outlet of the gun barrel, of the pellet support is used for placing the pellet. Because the pellet support is used for launching the pellet, a good pellet acceleration effect can be achieved; when the pellet and the pellet support integrally pass through the pellet support recoverer, the pellet support is recovered, the pellet continues to be used for an impact test without being affected, and accordingly pellets of all kinds of shapes and specifications can be conveniently used for the impact test.

Description

technical field [0001] The invention relates to mechanical manufacturing technology, in particular to an impact testing machine, which belongs to the technical field of impact testing equipment manufacturing. Background technique [0002] Impact testing machine is a machine that uses high-speed moving projectiles to conduct impact experiments on specimens, which are used to simulate the effect of high-speed impact. The principle of the impact tester is similar to that of the gun firing live ammunition. Both use high-pressure gas to accelerate the projectile in the barrel, so that the projectile can obtain a higher speed. [0003] The impact testing machine in the prior art generally adopts an air cannon, that is, a high-pressure air source is used to accelerate the projectile. Since the barrel section is circular, in order to ensure good air tightness of the projectile in the gun chamber, the impact testing machine in the prior art can only fire revolving projectiles, such ...

Claims

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Application Information

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IPC IPC(8): G01M7/08
Inventor 武鹏飞程小全郭鑫刘淑峰王松伟
Owner BEIHANG UNIV
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