CN108627059B - Assembled composite flexible wall breaking device - Google Patents

Assembled composite flexible wall breaking device Download PDF

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Publication number
CN108627059B
CN108627059B CN201810325297.7A CN201810325297A CN108627059B CN 108627059 B CN108627059 B CN 108627059B CN 201810325297 A CN201810325297 A CN 201810325297A CN 108627059 B CN108627059 B CN 108627059B
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protection
shell
explosive
booster
shaped
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CN201810325297.7A
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CN108627059A (en
Inventor
黄广炎
成曦
刘春美
冯顺山
易勇
王芳
王博
崔欣雨
郭志威
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04Arrangements for ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D5/00Safety arrangements
    • F42D5/04Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045Detonation-wave absorbing or damping means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses an assembled composite flexible wall breaking device, which belongs to the technical field of blasting and comprises: the explosive charging structure, the protection structure, the ignition structure and the booster structure; the protection structure is a strip-shaped structure coated with a protection liquid bag outside, and the protection liquid bag is filled with explosion-proof liquid; the ignition structure and the booster structure are both L-shaped structures; the protection structure comprises more than two protection structures, a plurality of sealing rings and a plurality of sealing rings, wherein the protection structures are butted end to form a closed annular frame, and a charging structure is arranged in a groove of each protection structure; an ignition structure is arranged at the butt joint of the two protective structures, and a detonation component of the ignition structure is in contact with a charge structure in the protective structure connected with the ignition structure; the butt joint of the rest protective structures is provided with a booster structure, and the explosive in the booster structure is contacted with the explosive charging structure in the protective structure connected with the booster structure; the invention has the advantages of safe storage, convenient carrying, simple installation, high action reliability and small collateral damage, and can quickly form a hole on a wall body.

Description

Assembled composite flexible wall breaking device
Technical Field
The invention belongs to the technical field of blasting, and particularly relates to an assembled composite flexible wall breaking device.
Background
In the emergency tasks of hostage hijacking, armed violence and the like, terrorists often rely on buildings such as houses and the like to confront with national security departments after the terrorist attack sites are sealed and controlled. Under the condition, how to quickly open a safe channel to quickly attack terrorists without leaving the response time is a first difficult problem in the field command. When terrorists or armed riots are trapped in buildings, areas such as doorways and windows are generally the focus of terrorist defense, and there is often a greater risk of intrusion from these areas, and so choosing to intrude from these locations is not an optimal solution. If the special blasting device is adopted to blast the wall of the building and the damage attached during blasting is reduced, the sudden attack action can be carried out by the sudden attack team member from the position unexpected by terrorists, the action abruptness is ensured, and the action danger is reduced.
Aiming at the problem of quickly opening a channel on a wall body, a plurality of wall breaking devices are provided at home and abroad. The American army battle manuals FM 90-10, FM 90-10-1 and FM 3-06.11 are explained in the corresponding sections for how to attack enemy occupation buildings and clearing action in urban battle MOUT. In ground-based attacks, typical 40 mm grenades and anti-tank rocket projectiles can be used to make holes directly in the wall, or to blast the wall with a cartridge and then project into a building, but such a breakthrough may cause serious injury to the hijacked population and the public in the vicinity. There are some devices for breaking wall by using energy-collecting charge in China, but the charge is large, and a protective structure is not provided to reduce the incidental damage.
Disclosure of Invention
In view of the above, the present invention provides an assembled composite flexible wall breaking device, which is safe to store, convenient to carry, simple to install, high in reliability, and small in incidental damage, and can quickly form a hole in a wall.
The invention is realized by the following technical scheme:
an assembled composite flexible wall breaking device, comprising: the explosive charging structure, the protection structure, the ignition structure and the booster structure;
the protection structure is a strip-shaped structure coated with a protection liquid bag outside, the protection liquid bag is filled with explosion-proof liquid, and a groove along the length direction of the protection structure is processed inside the protection structure;
the explosive charging structure is a strip-shaped structure, and explosives for realizing blasting are filled in the explosive charging structure;
the ignition structure and the booster structure are both L-shaped structures, wherein the ignition structure is used for igniting the charge structure connected with the ignition structure, and the booster structure is internally provided with explosives used for realizing blasting and igniting the charge structure connected with the booster structure;
the overall connection relationship is as follows: the protection structure comprises more than two protection structures, a plurality of sealing rings and a plurality of sealing rings, wherein the protection structures are butted end to form a closed annular frame, and a charging structure is arranged in a groove of each protection structure; an ignition structure is arranged at the butt joint of the two protective structures, and a detonation component of the ignition structure is in contact with a charge structure in the protective structure connected with the ignition structure; and the butt joint of the rest protective structures is provided with a booster structure, and the explosive in the booster structure is contacted with the explosive charging structure in the protective structure connected with the booster structure.
Further, the protective structure comprises: the protection casing of rectangular structure and install the protection liquid bag at protection casing surface, processing has the notes liquid mouth that is used for pouring into explosion-proof liquid into its inside on the protection liquid bag, processing has the recess along its length direction on the protection casing.
Furthermore, the protection liquid bag is formed by compounding Kevlar fibers and waterproof materials.
Further, the charge structure includes: a shell, an explosive charge and a charge-shaped cover; the casing and the explosive shape cover are both of a long strip-shaped structure, the casing is attached to the groove of the protective casing, the explosive shape cover with the inverted V shape is arranged on the opening side of the casing, and the explosive charge is filled in the cavity between the casing and the explosive shape cover.
Further, the ignition structure includes: a detonator seat, a detonator and a lead; the detonator seat and the detonator are both L-shaped structures; the L-shaped detonator is arranged in the cavity inside the L-shaped detonator seat, and the corner of the L-shaped detonator is connected with two conducting wires for ignition; two ends of the detonator seat are respectively sleeved outside the two adjacent protective structures.
Further, the booster structure includes: a corner booster charge structure and a positioning shell;
the corner booster charge structure comprises: a shell, an explosive charge and a charge-shaped cover; the shapes of the shell and the explosive-shaped cover are both L-shaped structures, an installation groove is processed on the shell, the inverted V-shaped explosive-shaped cover is installed in the installation groove of the shell, and explosive charges are filled in a cavity between the shell and the explosive-shaped cover;
the positioning shell is an L-shaped shell and is arranged outside the corner booster charge structure, and two ends of the positioning shell are respectively sleeved outside the two adjacent protection structures.
Further, the wall breaking device comprises a grasping structure, wherein the grasping structure is arranged between the two opposite protective structures and is used for grasping the wall breaking device.
Furthermore, when the wall needs to be broken, the opening end of the groove of the protection structure is fixed on the wall body of the channel needing to be opened through bonding.
Has the advantages that: (1) according to the explosive-filled wall, the wall body is broken under the combined action of the linear metal jet flow formed by the explosive-shaped cover of the explosive-filled structure and the shock wave formed by explosive explosion of explosive, a channel for an assault person to enter is formed on the wall body in a very short time, and the protection structure outside the explosive-filled structure can effectively reduce the collateral damage caused by the metal jet flow and the shock wave generated by explosion and protect the personal safety of the assault person.
(2) The protection liquid bag is formed by compounding Kevlar fibers and waterproof materials, and when the protection liquid bag is used, the protection liquid bag is filled with explosion-proof liquid, and the explosion-proof liquid can absorb shock wave energy generated when a charging structure explodes and can effectively intercept metal jet flow and fragments generated by explosion, so that collateral damage is reduced.
(3) The ignition structure is of an L-shaped structure, and two ends of the detonator of the ignition structure are respectively contacted with the adjacent charge structures, so that the wall breaking device can be detonated from the two charge structures, and the reliability of detonation is ensured.
(4) All structures in the invention are in modular design, and all structures are connected in sequence to form the wall breaking device.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic illustration of the ignition configuration of the present invention;
FIG. 4 is a schematic illustration of a booster structure of the present invention;
in the figure: 1-explosive charging structure, 2-protective structure, 3-ignition structure, 4-booster structure, 5-gripping structure, 101-shell, 102-explosive charging, 103-explosive cover, 201-protective liquid bag, 202-liquid injection port, 203-protective shell, 204-explosion-proof liquid, 301-detonator seat, 302-detonator, 303-lead, 401-corner booster charging structure and 402-positioning shell.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
This embodiment provides a flexible broken wall device of assembled complex, includes: the explosive device comprises an explosive charging structure 1, a protection structure 2, an ignition structure 3, an explosion propagation structure 4 and a grasping structure 5;
the protective structure 2 comprises: the anti-explosion protection device comprises a protection shell 203 with a strip-shaped structure and a protection liquid bag 201 arranged on the outer surface of the protection shell 203, wherein a liquid filling port 202 is processed on the protection liquid bag 201, an anti-explosion liquid 204 is filled into the protection liquid bag 201 through the liquid filling port 202, and a strip-shaped groove with a trapezoidal cross section is processed on the protection shell 203 along the length direction of the protection shell 203; the protection liquid bag 201 is formed by compounding Kevlar fibers and waterproof materials; the material of the protective shell 203 is plastic; the flexible materials of the protection liquid bag 201 and the protection shell 203 and the explosion-proof liquid 204 filled in the protection liquid bag 201 realize flexible protection against explosion together;
the charge structure 1 comprises: a housing 101, an explosive charge 102 and a charge cover 103; the shell 101 and the explosive-shaped cover 103 are both of long strip structures, the shape of the shell 101 is consistent with the profile of a strip-shaped groove on the protective shell 203, the shell 101 is attached and installed in the strip-shaped groove of the protective shell 203, the explosive-shaped cover 103 with an inverted V shape is installed on the opening side of the shell 101, and the explosive charge 102 is filled in a cavity between the shell 101 and the explosive-shaped cover 103;
the ignition structure 3 includes: a detonator seat 301, a detonator 302 and a wire 303; the detonator seat 301 and the detonator 302 are both L-shaped structures, and the cross section of the detonator seat 301 is the same as that of the protective structure 2; an L-shaped detonator 302 is arranged in the inner cavity of the L-shaped detonator seat 301, and the corners of the L-shaped detonator 302 are connected with two leads 303 for ignition;
the booster structure 4 includes: a corner booster charge structure 401 and a positioning housing 402; the corner explosion propagation charging structure 401 and the charging structure 1 are identical in structure composition and different in appearance, and the corner explosion propagation charging structure 401 is of an L-shaped structure; the positioning shell 402 is an L-shaped shell, is installed outside the corner booster charge structure 401, and has the same cross section with the cavity formed between the corner booster charge structure 401 and the cross section of the protection structure 2;
the overall connection relationship is as follows: the four protection structures 2 are butted end to form a rectangular frame, and the four charge structures 1 are correspondingly arranged in the strip-shaped grooves of the protection shell 203 respectively;
the ignition structure 3 is arranged at one corner of the rectangular frame, two ends of a detonator seat 301 of the ignition structure 3 are respectively sleeved outside two adjacent protective structures 2, and a detonator 302 of the ignition structure 3 is in contact with the charging structure 1 in the protective structure 2;
the booster structure 4 is arranged at the other three corners of the rectangular frame, two ends of a positioning shell 402 of the booster structure 4 are respectively sleeved outside the two adjacent protective structures 2, and the corner booster charge structure 401 of the booster structure 4 is in contact with the charge structure 1 in the protective structure 2;
the gripping structure 5 is mounted between the two opposing shielding structures 2 by means of a snap groove.
The working principle is as follows: when the wall breaking device does not work, the detonator 302 in the ignition structure 3 is in a short-circuit protection state;
when the wall breaking device works:
(1) injecting prepared explosion-proof liquid 204 into the protective liquid bag 201 through the liquid injection port 202, and sealing the liquid injection port 202 after the protective liquid bag 201 is filled;
(2) after the wall breaking device is assembled, the open end of the strip-shaped groove of the protective shell 203 is fixed on a wall body needing opening a channel through double faced adhesive tape bonding by a person or a mechanical arm;
(3) after receiving a blasting instruction, controlling an excitation detonator 302 through a lead 303;
(4) after the detonator 302 detonates the charge structures 1 at the two ends, the other two charge structures 1 are detonated through the booster structure 4; detonation products generated by detonation of the entire explosive charge 102 drive the shaped charge shroud 103 to form a linear metal jet;
(5) under the combined action of the linear metal jet formed by the explosive-shaped cover 103 and the shock wave formed by the explosion of the explosive charge 102, the wall is broken, and a channel for the entry of the assault personnel is opened.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an assembled compound flexible broken wall device which characterized in that includes: the explosive charging device comprises a charging structure (1), a protection structure (2), an ignition structure (3) and an explosion propagation structure (4);
the protection structure (2) is a strip-shaped structure coated with a protection liquid bag (201) outside, the protection liquid bag (201) is filled with an explosion-proof liquid (204), and a groove along the length direction of the protection structure (2) is processed inside the protection structure;
the explosive charging structure (1) is a strip-shaped structure, and explosives for realizing blasting are filled in the explosive charging structure (1);
the ignition structure (3) and the booster structure (4) are both L-shaped structures, wherein the ignition structure (3) is used for igniting the explosive charge structure (1) connected with the ignition structure, and the booster structure (4) is internally provided with explosives used for realizing blasting and igniting the explosive charge structure (1) connected with the booster structure;
the overall connection relationship is as follows: the more than two protection structures (2) are butted end to form a closed annular frame, and a powder charging structure (1) is arranged in a groove of each protection structure (2); an ignition structure (3) is arranged at the butt joint of two protective structures (2), and a detonation component of the ignition structure (3) is in contact with a charge structure (1) in the protective structure (2) connected with the ignition structure; a booster structure (4) is arranged at the butt joint of the rest protective structures (2), and the explosive in the booster structure (4) is contacted with the explosive charging structure (1) in the protective structure (2) connected with the booster structure;
after the ignition structure (3) detonates the charge structures (1) at the two ends, the other two charge structures (1) are detonated through the booster structure (4);
the booster structure (4) comprises: a corner booster charge structure (401) and a positioning shell (402);
the corner booster charge structure (401) comprises: a shell, an explosive charge and a charge-shaped cover; the shapes of the shell and the explosive-shaped cover are both L-shaped structures, an installation groove is processed on the shell, the inverted V-shaped explosive-shaped cover is installed in the installation groove of the shell, and explosive charges are filled in a cavity between the shell and the explosive-shaped cover;
the positioning shell (402) is an L-shaped shell, is arranged outside the corner booster charge structure (401), and the cross section of a cavity formed between the positioning shell and the corner booster charge structure (401) is the same as that of the protection structure (2); two ends of the positioning shell (402) are respectively sleeved outside the two adjacent protective structures (2).
2. An assembled composite flexible wall breaking device according to claim 1, wherein the protective structure (2) comprises: the anti-explosion protection device comprises a protection shell (203) with a long strip structure and a protection liquid bag (201) arranged on the outer surface of the protection shell (203), wherein a liquid injection port (202) used for injecting anti-explosion liquid (204) into the protection liquid bag (201) is processed on the protection liquid bag (201), and a groove along the length direction of the protection shell (203) is processed on the protection shell.
3. The assembled composite flexible wall breaking device as claimed in claim 2, wherein the protection liquid bag (201) is formed by compounding Kevlar fiber and a waterproof material.
4. An assembled composite flexible wall breaking device according to claim 1, wherein the charge structure (1) comprises: a shell (101), an explosive charge (102) and a drug-shaped cover (103); the shell (101) and the explosive-shaped cover (103) are both of a long strip structure, the shell (101) is attached to and installed in a groove of the protective shell (203), the inverted V-shaped explosive-shaped cover (103) is installed on the opening side of the shell (101), and the explosive charge (102) is filled in a cavity between the shell (101) and the explosive-shaped cover (103).
5. An assembled composite flexible wall breaking device according to claim 1, wherein the ignition structure (3) comprises: a detonator seat (301), a detonator (302) and a lead (303); the detonator seat (301) and the detonator (302) are both L-shaped structures; an L-shaped detonator (302) is arranged in the inner cavity of the L-shaped detonator seat (301), and the corners of the L-shaped detonator (302) are connected with two leads (303) for ignition; two ends of the detonator seat (301) are respectively sleeved outside the two adjacent protective structures (2).
6. An assembled composite flexible wall breaking device according to claim 1, further comprising a gripping structure (5), the gripping structure (5) being mounted between two opposing shielding structures (2) for gripping the wall breaking device.
7. An assembled composite flexible wall breaking device according to claim 1, wherein when wall breaking is required, the open end of the groove of the protective structure (2) is fixed on the wall body of the channel to be opened by bonding.
CN201810325297.7A 2018-04-12 2018-04-12 Assembled composite flexible wall breaking device Active CN108627059B (en)

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Publication number Priority date Publication date Assignee Title
CN109269367B (en) * 2018-10-19 2020-06-05 洛阳理工学院 Punching-free construction method for blasting demolition of reinforced concrete frame structure

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CN202195762U (en) * 2011-06-29 2012-04-18 公安部第一研究所 Opening device of split type emergency channel entrance
CN107063010B (en) * 2017-04-11 2019-05-03 北京理工大学 Monoblock type composite and flexible breaks wall device

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