Pill for air-cannon-impacting mechanics experiment and device for testing speed of pill

A technique for mechanical experiments and projectiles, which is applied to devices using electric/magnetic methods, ammunition tests, warheads, etc., can solve problems such as unstable flight of projectiles, difficulty in determining trajectories, and experimental failures, and achieve rapid and rapid splitting. Reliable, reduced construction cost, reduced contact time effect

Active Publication Date: 2018-11-27
成都泰坦未来科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] Under the action of friction between the double-petal mother projectile and the air in the closed target chamber, the mother projectile petals in the separation process interact with the air to generate eddy currents; due to the friction with the air, the projectile opens. The flight attitude of the projectile with its petals open, such as image 3 As shown, in this process, the split projectile is very easy to deviate the built-in projectile belt from the designed flight path, resulting in the failure of the experiment;
[0024] In the experiment, if it is necessary to use irregular metal (such as a square or short columnar sample) as a projectile, it is more difficult to determine the trajectory produced by the friction between the irregular surface and the air after separation f

Method used

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  • Pill for air-cannon-impacting mechanics experiment and device for testing speed of pill
  • Pill for air-cannon-impacting mechanics experiment and device for testing speed of pill
  • Pill for air-cannon-impacting mechanics experiment and device for testing speed of pill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] The structure of the projectile used for the impact bubble mechanics experiment:

[0080] The projectiles used for the mechanical experiment of the impact gas gun include a sub-projectile and a parent projectile. The sub-projectile 1 is wrapped inside the parent projectile, and the structure of the parent projectile is a split petal structure.

[0081] A further preferred technical solution is that the mother projectile has a multi-petal structure, and the inner shape of each petal is petal-shaped, twisted into a whole, the number of petals is 3 to 5 petals, and each petal-shaped projectile is provided with a helical thread on the side. .

[0082] A further preferred technical solution is that each petal of the female projectile has an open side 2; the top 3 of the female projectile is concave; the bottom 4 of the female projectile is concave, and each petal of the petal-shaped female projectile has an Archimedes spiral surface 6 ; The female projectile is provided wit...

Embodiment 2

[0091] Improvements to the projectile apparatus for shock bubble mechanics experiments:

[0092] The difference from Example 1 is that the tank 5 is replaced by a sample chamber.

[0093] And for the weak magnetic conductor as a bullet, the tile-shaped speed measuring coil 9 is replaced with a superconducting coil, which will increase the cost (about 100,000), but the measurement accuracy will increase.

[0094] The projectile used for the mechanical experiment of the impact gas gun includes a sub-projectile 1 and a parent projectile, the sub-projectile 1 is wrapped inside the parent projectile, and the structure of the parent projectile is a petal-like structure.

[0095] A further preferred technical solution is that the mother projectile has a multi-petal structure, and the inner shape of each petal is petal-shaped, twisted into a whole, the number of petals is 3 to 5 petals, and each petal-shaped projectile is provided with a helical thread on the side. .

[0096] A furt...

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PUM

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Abstract

The invention relates to sub-master pills for an air-cannon-impacting mechanics experiment and a device for testing the speed of the pills, and belongs to the technical field of sub-master pill separation. According to the pill for the air-cannon-impacting mechanics experiment and the device for testing the speed of the pill, in an impacting dynamic experiment that abnormal pills collide a selected some-point structure, as for the problem that an internal sub-pill deviates from a designed flight route and the speed measurement aim of the sub-pill, by accurately designing the structure of the sub-master pills and pill speed measurement equipment, the two problems are solved. In the experiment process, pill sectioning is carried out without relying on friction between the master pill and air, and the master pill is reliably sectioned through heat generated by friction between the master pill and a gun barrel and the rotary inertia of the master pill. According to the technical scheme, the length of a target chamber can be reduced, the air-cannon building price can be reduced by 1/5, and meanwhile the pointing accuracy of the impact collision point and the experimental repeatability are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of parent projectiles, and in particular relates to special seed projectiles used for mechanical experiments of impact gas guns and a device for testing the projectiles. Background technique [0002] In the mechanical experiments of impact gas guns, high-pressure gas is often used to drive projectiles. The following documents record this technology: [0003] Chapter 2, Section 3 of "Theory and Technology of Dynamic High Voltage" (edited by Fuqian and Chen Junxiang), published by National Defense Industry Press in 2006; [0004] Wang Ningyu, A first-class light gas cannon for material collision experiments, Explosion and Shock, 1993, 13(1): 90-96; [0005] Guo Yangkuan et al., Research on solving the normal and tangent plane of Archimedes helicoid based on matlab, Tool Technology, 2009, 11:77-794; [0006] Liu Huran, Hu Qingxi, Undercutting of Archimedes helicoid with disc cutter, Mechanical Technologist, 1...

Claims

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Application Information

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IPC IPC(8): F42B35/02F42B12/58G01P3/54
CPCF42B12/58F42B35/02G01P3/54
Inventor 张岱宇张明建郝高宇肖定军林谋金
Owner 成都泰坦未来科技有限公司
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