Fragment leakage prevention flexible skirt for portable explosion-proof barrel/tank

A portable and flexible technology, applied in blasting and other directions, can solve problems such as fragment leakage, and achieve the effects of strong protection, reduced damage, and light weight

Pending Publication Date: 2019-12-27
BEIJING INSTITUTE OF TECHNOLOGYGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the present invention provides an anti-fragment leakage flexible swing skirt for portable explosion-proof barrels/cans, which can effectively solve the problem of fragment leakage wh...

Method used

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  • Fragment leakage prevention flexible skirt for portable explosion-proof barrel/tank
  • Fragment leakage prevention flexible skirt for portable explosion-proof barrel/tank
  • Fragment leakage prevention flexible skirt for portable explosion-proof barrel/tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment provides a detachable, stowable and flexible anti-fragment leakage skirt for use with flexible explosion-proof barrels / tanks. The principle of anti-fragment leakage of the flexible pendulum skirt is as follows: the flexible (low shear modulus) protective material is initially laid flat on the ground, and due to the inertial effect and its own low transverse shear wave propagation velocity during the explosion, this part of the protective material does not It will not immediately lift off the ground as a whole, but spread upward from the inside to the outside, thus forming a secondary barrier.

[0032] For the convenience of description, the flexible explosion-proof barrel is used as an example in the following text.

[0033] Such as image 3 As shown, the flexible pendulum skirt 3 is a flexible material blanket with an opening in the center, and the central opening is the inner ring opening 2. Set the position above the bottom of the barrel or the to...

Embodiment 2

[0043] In this example, the flexible pendulum skirt 3 adopts a variable fragment protection performance design from the inner ring opening 2 to the outer contour line 4 to match the scattering and velocity characteristics of the bottom leakage fragments.

[0044] Since there is a high probability of fragment leakage when a portable explosion-proof barrel is used to dispose of explosives on the ground, the structural design of the flexible swing skirt 3 is mainly oriented towards the working condition of explosives disposal at the bottom of the barrel, considering the scenario where the explosion is located on the ground at the bottom of the barrel. Based on the experimental analysis carried out, it is found that the later the leakage occurs, the lower the fragment velocity is, and the height of the barrel bottom jumping up or turning over at the corresponding time is higher, and the flexible pendulum skirt 3 is separated from the ground under the impact of the barrel body and th...

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PUM

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Abstract

The invention provides a fragment leakage prevention flexible skirt for a portable explosion-proof barrel/tank. The problem that fragments are leaked when ground explosives are disposed by the portable flexible explosion-proof barrel/tank can be effectively solved, and damage on property and injury on people all around when suspected explosives are exploded are reduced to the greatest extent. A blanket body made of a flexible material is arranged in the center of the flexible skirt; the blanket body is provided with an inner ring opening; the setting position of the upper part of the bottom ofthe explosion-proof barrel/tank or the top of a barrel body can be arranged in the inner ring opening in a sleeved manner; and it is guaranteed that the skirt part close to the outer contour line ofthe flexible skirt can be bonded on the ground for secondary interception of the fragments according to the size of the flexible skirt when the explosion-proof barrel/tank sleeves the inner ring opening of the blanket body. The flexible skirt has different using modes aiming at two different explosive disposition modes of the portable flexible explosion-proof barrel/tank, the using amount of protective materials in the explosion-proof barrel/tank can be reduced after the flexible skirt is adopted, and the problem that the use ratio of the protective materials is low due to difference of fragment group distribution ranges that the portable flexible explosion-proof barrel/tank is subjected to under two working conditions can be solved.

Description

technical field [0001] The invention relates to a flexible pendulum skirt, in particular to a flexible pendulum skirt for preventing fragment leakage, and belongs to the technical field of public safety and defense equipment. Background technique [0002] In recent years, the explosion and terrorist attacks in the world have shown an increasing trend, causing huge damage and threat to the safety of people's lives and property. How to dispose of suspected explosives found in public places more safely and reduce the harm to the surrounding environment when they explode is one of the current research focuses in the field of public safety. [0003] Portable flexible explosion-proof barrel (tank) is a new type of explosion-proof equipment that has appeared in recent years. It has great application prospects because of its light weight, strong protection ability and no additional damage. These explosion-proof equipment are different from traditional metal alloy explosion-proof co...

Claims

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Application Information

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IPC IPC(8): F42D5/04
CPCF42D5/04
Inventor 黄广炎朱炜王博黄风雷谢亚宸龙飞舞田广卫周启强
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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