JP2007024429A - Discharge impact breaking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a discharge impact breaking device capable of dispensing with troublesome preparatory work in breaking a structure by using discharge impact force, and easily performing breaking work even in a narrow place. <P>SOLUTION: This discharge impact breaking device is composed of a box body 11 having a bottom wall portion 11a and provided with a spacial chamber 11c inside, a cover body 12 locked on the box body by a plurality of bolts 18, and covering an upper opening portion of the box body, a plate body 13 inserted into the spacial room of the box body at an inner face side of the cover body 12 and closing the upper opening portion, a thin metallic wire 15 mounted in the spacial chamber, and connected with a pair of electric wires 14 connected with a power source device, and nitromethane 16 filled in the spacial chamber. The box body, the cover body and the plate body are provided with enough strength so that they are not broken by explosion power of nitromethane filled in the spacial chamber. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a discharge impact destruction apparatus that can explode an explosive substance with an impact force generated by electric discharge to destroy a structure such as concrete.

Recently, as a device for safely destroying a structure such as concrete, a device using a discharge cartridge that is safe to handle instead of dynamite has been proposed.
In this discharge cartridge, for example, a thin metal wire connected between a pair of electrodes is disposed in a cylindrical container, and a force transmission substance such as water and oil is filled, and a predetermined amount is supplied from the power supply device to the thin metal wire. The electric energy is supplied at a stretch to melt and vaporize the fine metal wire, and the impact force (hereinafter also referred to as the discharge impact force) generated due to the volume expansion during the melt and vaporization is transmitted to the surroundings via the force transmitting substance. This destroys the structure.

  When the structure is partially destroyed, a hole is formed in the destroyed portion, and a discharge cartridge is inserted into the hole, and electric energy is supplied to the fine metal wire to cause destruction (Patent Document) 1).

By the way, when a hole for inserting the discharge cartridge cannot be formed, a destructive member such as a shell (for example, a wedge) is formed at the end portion of the cylindrical container to directly collide with the structure and destroy it. ) Is inserted, and electric energy is supplied to the portion where the discharge impact force is arranged adjacent to the end portion, that is, the metal thin wire, and the member for destruction is tubed by the discharge impact force generated by the melt vaporization. It was fired from a cylindrical container and partially destroyed (see Patent Document 2).
See JP-A-10-331447 See JP-A-11-76854

  According to the configuration of the above conventional discharge cartridge, the cylindrical container is inevitably long due to the firing of the bullet-shaped destruction member. For example, when the destruction portion is located in a narrow place, the discharge cartridge itself In addition, it is necessary to perform a work of loading the member for destruction into the cylindrical body on the site, which requires troublesome preparation work.

  Therefore, the present invention provides a discharge impact destruction apparatus that does not require troublesome preparation work when destroying a structure using a discharge impact force and can easily perform the destruction work even in a narrow place. The purpose is to provide.

In order to solve the above-mentioned problems, a discharge shock destruction apparatus according to claim 1 of the present invention includes a box-shaped body having a bottom wall portion and having a space chamber formed therein, and a plurality of bar-shaped latches on the box-shaped body. A lid that can be locked by a member to cover the upper opening of the box-like body, and a metal thin wire that is disposed in the space of the box-like body and connected to a pair of electrical wires connected to a power supply device; The explosive material filled in the space room,
Furthermore, on the inner surface side of the lid, a plate-like body that is inserted into the upper opening of the box-like body and can close the upper opening is disposed.
In addition, the box-shaped body, the lid body, and the plate-shaped body are provided with a strength that is not damaged by the explosive force of the explosive material filled in the space chamber.

According to a second aspect of the present invention, there is provided a discharge impact destruction apparatus having a frame-shaped side wall body having a predetermined height, and the frame-shaped side wall body locked by a plurality of bar-shaped locking members so as to open openings on both sides. A pair of lids that can be covered, a metal wire disposed in a space chamber formed inside the frame-shaped side wall body and connected to a pair of electric wires connected to a power supply device, and filled in the space chamber Composed of explosive substances,
Furthermore, a plate-like body that can close the opening of the frame-like side wall body is disposed on the inner surface side of each lid body,
In addition, the frame-like side wall body, the lid body, and the plate-like body are provided with a strength that is not damaged by the explosive force of the explosive material filled in the space chamber.

Furthermore, a discharge impact destruction apparatus according to claim 3 is the destruction apparatus according to claim 1 or 2, wherein nitromethane is used as an explosive substance.
According to a fourth aspect of the present invention, there is provided a discharge impact breaking device according to the first or second aspect, wherein a bolt is used as a rod-like locking member.

  According to the configuration described in claim 1 or 2, explosive substances such as fine metal wires and nitromethane are formed in a space of a box-like body or a frame-like side wall body to which a lid is attached via a rod-like locking member. And explode explosive materials with the discharge impact force generated by the melt vaporization of fine metal wires to fly (release) the lid and plate-like body. Unlike those loaded with shell-shaped destructive members, the device itself can be shortened, i.e. thinned, so that it is not necessary or necessary to form a hole for inserting the discharge cartridge. Even in a narrow space, it can be partially and easily destroyed simply by inserting it into the gap and supplying electric energy.

  In particular, since a plate-like body is placed in the space inside the lid body, when an explosive substance such as nitromethane explodes, the outer lid body pops out first, and then it is delayed by a very short time. The body will jump out. That is, when the plate-like body functions as an inner lid, even if a rod-like locking member or the lid body is distorted and a gap is generated between the lid body and the box-like body, the explosive substance Will not leak to the outside, and the explosive reaction time of explosive substances in the space will be longer, so the power of the explosion will increase, so that the explosive explosion will cause the plate to jump out and increase the destructive power. As a result, the efficiency of use of explosive substances increases and the economy improves.

  Furthermore, by using a bolt as a rod-shaped locking member for locking the lid to the box-shaped body and adjusting its cross-sectional area, the explosion reaction time can be adjusted to control the explosive force. By appropriately changing the cross-sectional area, it is also possible to control the direction in which the lid protrudes, and hence the direction in which the plate-like body protrudes.

[Embodiment]
Hereinafter, a discharge shock destruction apparatus according to an embodiment of the present invention will be described with reference to the drawings.
First, the discharge shock destruction apparatus will be described with reference to FIGS.

  As shown in FIG. 1 and FIG. 2, the electric discharge impact destruction apparatus 1 includes a bottom wall portion 11a having a rectangular shape in plan view, for example, a square wall portion 11a and a side wall portion 11b erected around the bottom wall portion 11a. A metal box-like body 11 shaped like a thin lunch box in which a space chamber 11c having a circular view is formed, and a circular opening (upper opening) 11d above the box-like body 11 are covered from above. A metal lid 12 made in this manner, and an annular step formed on the inner peripheral surface of the space chamber 11c and inserted into the circular opening 11d of the box-like body 11 at a position on the inner surface side of the lid 12 A metal plate 13 placed on the cylindrical portion 11e so as to be able to close the circular opening 11d, and disposed in the space chamber 11c of the box-shaped body 11 and a pair of device-side electric Metal wire 15 having both ends connected to one end side of wiring 14 Similarly, liquid nitromethane (an example of an explosive substance, such as gasoline can be used) 16 filled in the space chamber 11c, and the other end of the device-side electrical wiring 14 drawn from the box-shaped body 11 And a rod-shaped locking member for locking the lid 12 to the box-shaped body 11, such as a bolt (or a rivet) 18 and the like, and a power supply device 17 (shown in FIG. 3) connected to the side. A predetermined number of nuts 19 are provided.

  In addition, for the metal thin wire 15, the device-side electric wiring (covered wire is used) 14 connected to both ends thereof is used as a fixing material (for example, a metal or synthetic resin band). Naturally, a synthetic resin material is used, and insulation is performed between the device-side electrical wiring and the box-like body). It is fixed to the wall 11a. The device-side electrical wiring 14 is provided by being inserted through a through hole 11f formed in the side wall 11b of the box-like body 11, and the through-hole 11f after the device-side electrical wiring 14 is inserted is provided in the through-hole 11f. A padding (for example, putty material) is applied to keep the sealed state. In addition, a filling port 11g for filling the nitromethane 16 in the space chamber 11c is formed at an appropriate position on the side wall portion 11b, and a plug 21 is applied after the filling (for example, screwed) to close the plug. It is.

  Although the box-like body 11 has been described as being thin like a lunch box, specifically, the ratio between the height (H) of the box-like body 11 and the length (L) of one side thereof. Is preferably 1 to 2 or less. In addition, the ratio of the height (H ′) and the length (L) of one side of the box-shaped body 11 with the lid body 12 attached is at most 1: 1.

  The circular plate-like body 13 arranged on the inner surface side of the lid body 12 has a diameter that can close the circular opening 11d of the box-like body 11, for example, slightly smaller than the inner peripheral diameter of the circular opening 11d. And a small diameter (for example, about 0.5 mm).

  Further, regarding the material [for example, steel (especially cast steel), stainless steel, aluminum etc. is used] and the thickness of the box-like body 11, the lid 12 and the plate-like body 13, the nitromethane filled in the space chamber 11c is used. Those having a strength that does not break with an explosive force of 16 are selected. The outer shape of the lid 12 is a shape that matches the outer shape of the box-shaped body 11, that is, a square.

  Further, as shown in FIG. 1, a plurality of, for example, eight bolts 18 for attaching the lid 12 are arranged around the space chamber 11c, and according to the amount of nitromethane 16 filled. That is, a material having such a strength as to produce a desired explosive force is selected so as to obtain a predetermined explosive reaction rate. This explosion reaction rate indicates how much of the explosive substance explodes. If this reaction rate is high, it indicates that the power of the explosion is large.

  Regarding the strength of the bolt 18, for example, the nitromethane 16 at a position far from the metal thin wire 15 that cannot be detonated only by the discharge impact force is explode by the explosive force of the nitromethane 16 detonated near the metal thin wire 15 (explosion transmission). Therefore, even if the bolt 18 is extended until the explosion reaction rate is sufficiently increased to increase the space for accommodating the nitromethane 16 (part of the space chamber 11c), the strength of the nitromethane 16 hardly leaks to the outside ( Locking ability).

  For example, when observing an actual explosion, when the nitromethane 16 is detonated by the discharge impact force, the lid 12 and the plate-like body 13 start to be pushed out due to the explosion, so that the bolt 18 begins to expand (at this time, the leakage of nitromethane is And the bolt 18 is broken, and the lid body 12 pops out (the nitromethane accommodating space increases, but the plate body prevents leakage of nitromethane). Finally, the plate body 13 pops out. I understood that. Regarding prevention of leakage of the nitromethane 16, a part of the plate-like body 13 protrudes from the box-like body 11, but due to the deformation, the outer periphery of the plate-like body 13 is pressed against the inner peripheral surface of the space chamber 11c. It is because it is in a state (close contact).

  In this way, there is a time difference from the initiation to the jump out of the plate-like body 13, but there is a time difference, and the explosion itself occurs in a short time. Therefore, until the bolt 18 is broken, about 80 to 90%. If the explosion reaction rate is obtained, it is estimated that the explosion reaction rate as a whole approaches 100%. Therefore, the bolt 18 may be deformed such as elongation, but the locked state is maintained until the target explosion reaction rate. It has a predetermined strength that can be achieved. If the explosive force corresponding to the predetermined strength is specifically described, it is an explosive force of a semi-complete explosion level in which the explosion reaction rate is sufficiently increased (for example, about 80 to 90%).

  In addition, when the intensity | strength of the volt | bolt 18 is small, while the cover body 12 will jump out early, the plate-shaped body 13 will also jump out early, the explosion reaction amount of the nitromethane 16 decreases (use efficiency falls), It becomes uneconomical and of course the overall explosive power is reduced.

  Further, as shown in FIG. 3, the power supply device 17 includes a high-voltage DC power supply 31, a capacitor 33 connected in parallel to the DC power supply 31 via a charging electrical wiring 32, and the charging electrical wiring. 32, a charge control circuit 34 for controlling the amount of electricity charged in the capacitor 33, a connection electric wire 35 for connecting the metal thin wire 15 to the capacitor 33 in parallel, and the connection It comprises a discharge switch 36 provided in the middle of the electrical wiring 35.

  In the power supply device 17, a predetermined amount of electricity is stored in the capacitor 33 by the charge control circuit 34, and the discharge switch 36 is turned on, so that a predetermined amount of electric energy (electric amount) is supplied to the thin metal wire 15 at once. Then, the metal thin wire 15 is instantly melted and vaporized, and a discharge impact force is generated and transmitted instantly due to the instant melt vaporization, and a predetermined range (a range satisfying the initiation condition) of the nitromethane 16 is detonated by this discharge impact force. In a very short time, the explosion reaction (transfer) of the remaining nitromethane 16 proceeds from the fine metal wire 15 to the outside, and finally, all the nitromethane 16 explodes (complete explosion) and reaches a predetermined level. Explosive power is obtained.

Next, a method for partially destroying a concrete structure, for example, using the above discharge impact destruction apparatus will be described.
First, the generation mechanism of the discharge impact force will be described by paying attention to the discharge breaking device 1 itself.

  Before the discharge, as shown in FIG. 4A, the metal thin wire 15 connected to the device-side electric wiring 14 is fixed to the bottom wall portion 11a of the box-shaped body 11 via the fixing member 20, and the plate After the body 13 is inserted into the space chamber 11c and supported by the annular step portion 11e, and the lid body 12 is locked to the box body 11 via bolts 18 and nuts 19, the box body 11 is placed in place. The space chamber 11c is filled with nitromethane 16 from the filling port 11f formed in the above. Of course, a sealing agent (for example, silicon grease or the like is used) 41 is disposed at the contact portion between the lid body 12 and the box-like body 11 so as to be in a sealed state. It is blocked by. The mounting hole of the bolt 18 and the threaded portion of the plug 21 are filled with the same sealing agent as described above.

  In this state, when predetermined electric energy is supplied to the fine metal wire 15 at once by the power supply device 17, the fine metal wire 15 is melted and vaporized as shown in FIGS. Detonate nitromethane 16 with When the nitromethane 16 is detonated, the portion in the vicinity of the fine metal wire 15 explodes. Subsequently, the remaining portion around the debris is chained to the lid 12 side and in the radial direction due to the already detonated impact force. As a result, the explosive power increases. Due to this explosive force, the lid 12 and the plate-like body 13 jump out.

  Actually, the lid 12 first jumps out, and then the plate-like body 13 jumps out with a slight delay. That is, although the plate-like body 13 and the cover body 12 receive the impact caused by the explosion of the nitromethane 16 and the pressure increase in the space chamber 11c, the bolt 18 cannot withstand this force (explosive power of a semi-complete explosion level). In this case, the lid 12 jumps out and the plate-like body 13 is deformed to close the gap with the inner peripheral surface of the space chamber 11c, so that the jump-out of the plate-like body 13 is slightly delayed. In 11c, the sealed state is maintained, and the explosion reaction time is lengthened accordingly. Therefore, the power of the explosion is increased, and as shown in FIG. Acting on the plate 13, the plate-like body 13 receives further force and jumps out at a higher speed. Of course, if the explosion reaction time becomes longer, the power of the explosive force increases and a larger explosive force acts on the lid 12. In other words, the kinetic energy of the plate-like body 13 increases and the destructive force increases. Naturally, since the reaction efficiency of nitromethane 16 is improved, it is economical.

  More specifically, when the distance to the fracture surface is short, the lid 12 first reaches the fracture surface and performs primary fracture, and then the plate-like body 13 arrives at a higher speed and becomes secondary. Destroy. That is, the destructive force increases.

  However, when the distance to the fracture surface is long [in the case of FIG. 4 (d)], the later plate-like body 13 collides with the lid body 12 at a higher speed, and the lid body 12 and the plate-like body. 13 and together reach the fracture surface, so that a powerful destructive action is obtained.

Here, the effect when the plate-like body 13 is arranged (inserted) on the inner surface side of the lid body 12 will be described by comparing with the case where the plate-like body 13 is formed integrally with the lid body 12.
FIG. 5 is a graph showing the relationship between the thickness of the plate-like body 13, that is, the insertion depth of the plate-like body 13 into the space chamber 11 c, and the breaking energy (kinetic energy) generated by the explosion of the nitromethane 16. . In FIG. 5, the solid line relates to the present invention, and shows the case of the separated type in which the lid and the plate are separately arranged, and the wavy line shows the case of the integrated type in which the plate is integrated with the lid. Show.

  From the graph of FIG. 5, the separation type in which the plate-like body 13 is inserted on the inner surface side of the lid body 12 and in the space chamber 11 c is more than the case of the integral type in which the plate-like body is formed integrally with the lid body. It can be seen that the destruction energy generated is increasing.

Next, a specific example of the destruction work will be briefly described.
FIG. 6 shows a case where the rock G is destroyed.
As shown in FIG. 6 (a), the above-mentioned discharge impact destruction apparatus 1, that is, the metal thin wire 15 is arranged in the slit Gs that has been formed in the rock in advance or has been naturally formed, and the nitromethane 16 has After placing the box-like body 11 which is filled and the plate-like body 13 is inserted and the lid body 12 is mounted thereon, the electric energy is supplied from the power source device 17 connected via the electric wiring 14 to the fine metal wire. If it supplies to 15 at a stretch, as shown in FIG.6 (b), with the explosive force of the nitromethane 16, the cover body 12 and the plate-shaped body 13 will be ejected instantaneously and sequentially (released), and the tear Gs will be destroyed. The That is, the rock part Gp to be destroyed can be dropped and destroyed.

FIG. 7 shows a case where a surface portion of a reinforced concrete structure is destroyed.
As shown in FIG. 7A, the discharge shock destruction apparatus 1 is held at the tip of the arm portion Ra of the heavy equipment for work, and the lid body 12 is moved so as to face the destruction surface K. If electric energy is supplied to the battery at once, the lid body 12 and the plate-like body 13 are instantaneously and sequentially ejected (released) toward the destruction surface K by the explosive force of the nitromethane 16. That is, the fracture surface K can be partially destroyed by these collision forces as shown in FIGS. 7 (a) and 7 (b).

FIG. 8 shows a case where a part of a reinforced concrete floor, wall or the like is limitedly broken.
As shown in FIG. 8, when the wall body part F such as a reinforced concrete floor or wall is destroyed in a limited manner, a discharge is caused on the inner bottom surface of the bottomed cylindrical mounting body 51 that can cover the wall body part F. If the impact destruction device 1 is attached, and the opening of the cylindrical attachment body 51 is pressed so as to cover the destruction portion, and electric energy is supplied to the metal thin wire 15 at once, only that portion can be safely destroyed. can do. In addition, this cylindrical attachment body 51 also has a function as a scattering prevention member (safety member) of destructive materials.

  In this manner, the metal thin wire 14 is arranged and filled with the nitromethane 15 and the plate-like body 13 is inserted into the space chamber 11c of the box-like body 11 to which the lid body 12 is attached via the bolt 18. Since the nitromethane 16 is exploded by the discharge impact generated by the vaporization of the fine metal wires 15 and the lid body 12 and the plate-like body 13 are ejected (released), the shell is placed in the cylindrical container as in the prior art. Unlike those loaded with destructive members in shape, the device itself can be shortened, i.e. thin, so narrow that it is impossible to form a hole for inserting a discharge cartridge or to form a hole. Even at a place, it can be partially and easily destroyed by simply inserting it into the gap and supplying electric energy.

  In particular, since the plate-like body 13 is inserted into the space chamber 11c of the box-like body 11 on the inner surface side of the lid body 12, when the nitromethane 16 explodes, the outer lid body 12 first jumps out, and then very little. Although it is time, the plate-like body 13 jumps out with a little delay. That is, the presence of the plate-like body 13 causes the nitromethane 16 to leak to the outside even when the bolt 18 or the lid body 12 is distorted and a gap is generated between the lid body 12 and the box-like body 11. In addition, since the explosion reaction time of the nitromethane 16 in the space chamber 11c is increased, the power of the explosion is increased. Therefore, the plate-like body 13 jumps out due to the increased power, and the destructive power is increased. The efficiency of use increases and the economic efficiency improves.

  Further, due to the presence of the plate-like body 13, in addition to the kinetic energy given to the lid body 12 that has jumped out first, the energy corresponding to the increased explosion reaction time and the power of the explosion acts on the plate-like body 13. At the same time, when the lid body 12 and the plate-like body 13 collide with a destructive object and are combined, for example, the energy when the integrated body pops out is larger than the energy (in this case, the explosion reaction time is short). Therefore, the destruction energy is remarkably improved. For example, the jumping speed is about 1.5 times that of the integrated one (the separation is about 350 m / s, and the integrated one is 230 m / s. It was about).

  Further, since the rod-shaped locking members, for example, the bolts 18 and the nuts 19 are used to lock the lid 12 to the box-shaped body 11, the initiation force, that is, the explosion reaction time is adjusted by adjusting the cross-sectional area of the bolt 18. The explosive force can be controlled by adjusting, and for example, by appropriately changing the 18 cross-sectional area of each bolt, the direction in which the lid 12 protrudes, and hence the direction in which the plate-like body 13 protrudes is also controlled. be able to.

  By the way, in the said embodiment, the accommodating part (it is also a cartridge part) of the nitromethane of the discharge impact destruction apparatus was comprised with the bottomed box-shaped body and the cover body which covers the upper opening part of this box-shaped body. However, for example, the frame-shaped side wall having a space chamber formed at the center thereof and a pair of lids covering the openings on both sides of the frame-shaped side wall may be used.

  That is, as shown in FIG. 9, the discharge impact breaking device 61 includes a frame-shaped side wall body 62 having a space chamber 62 a at the center and a predetermined height, and the frame-shaped side wall body 62 includes a plurality of rod-shaped locking members. A pair of lids 65 that can be locked via bolts 63 and nuts 64 to cover the openings on both sides, and a pair of plate-like bodies 66 disposed on the inner surface side of each lid 65 and in the space chamber 62a. And both ends on each one end side of a pair of electric wires 67 which are arranged in the central portion of the space chamber 62a formed inside the frame-shaped side wall body 62 and connected to a power supply device (not shown). The frame-shaped side wall body 62, the lid body 65 and the plate-shaped body 66 are composed of the connected metal thin wires 68 and the nitromethane 69 which is an explosive material filled in the space chamber 62a. Nitromethane 69 packed in 62a Be modified by explosive force is to have a strength which is not broken (i.e., such as material and thickness are selected). For example, as in the above-described embodiment, the frame-like side wall body 62, each lid body 65, and each plate-like body 66 are made of a metal material (so-called conductive material). An annular stepped portion 62b for positioning each plate-like body 66 is formed on each opening side of the inner surface of the frame-like side wall 62.

  In addition, in this discharge shock destruction device 61, the same effect as that of the above-described discharge shock destruction device 1 can be obtained, and there is a space outside both lids 65 when placed (inserted) in the destruction portion. In the case where the two lid bodies 65 and the two plate-like bodies 66 are popped out, the both sides can be destroyed at the same time, so that the efficiency of the destruction work can be improved.

  Further, in the above embodiment (including the one shown in FIG. 9), the plate-like bodies 13 and 66 are positioned in the space chambers 11c and 62a so that the box-like body 11 or the frame-like side wall body 62 side is positioned. The annular stepped portions 11e and 62b are formed. Instead of forming the annular stepped portions 11e and 62b, a cylindrical member is arranged on each inner surface so that the plate-like body is positioned at the end surface. In this case, the processing cost of each stepped portion can be saved.

  In the above embodiment (including the one shown in FIG. 9), the outer shape of the box-shaped body (or the frame-shaped side wall body) is formed in a square shape and the space chamber is formed in a circular shape. (Or the frame-shaped side wall) may have a circular outer shape and the space chamber may be formed in a square shape, or both may be formed in a square shape, or both may be formed in a circular shape. May have a polygonal shape in addition to a circular shape.

  Furthermore, in the above-described embodiment, the box-shaped body, the lid body, and the plate-shaped body have been described as metal materials (so-called conductive materials), but depending on the case, a reinforced synthetic resin such as ceramic or reinforced plastic is used. May be.

1 is a partially cutaway front view of a discharge impact breaking device according to an embodiment of the present invention. It is sectional drawing of the same discharge impact destruction apparatus. It is an electric circuit diagram which shows schematic structure of the power supply device in the same discharge impact destruction apparatus. It is sectional drawing explaining the explosion effect by the discharge impact force in the same discharge impact destruction apparatus. It is a graph which shows the relationship between the insertion depth and fracture | rupture energy for demonstrating the effect | action of the plate-shaped body of the same discharge impact destruction apparatus. It is sectional drawing explaining the destruction operation | work by the same discharge impact destruction apparatus. It is sectional drawing explaining the destruction operation | work by the same discharge impact destruction apparatus. It is sectional drawing explaining the destruction operation | work by the same discharge impact destruction apparatus. It is sectional drawing which shows the modification of the same discharge impact destruction apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Discharge impact destruction apparatus 11 Box-shaped body 11a Bottom wall part 11b Side wall part 11c Space room 11d Opening part 11e Annular step part 12 Lid 12a Annular protrusion 13 Plate-like body 14 Device side electric wiring 15 Metal thin wire 16 Nitromethane 17 Power supply Device 18 Bolt 61 Discharge shock destruction device 62 Frame-like side wall body 62a Space chamber 62b Annular stepped portion 63 Bolt 65 Lid body 66 Plate body 67 Electrical wiring 68 Metal wire 69 Nitromethane

Claims (4)

A box-shaped body having a bottom wall and having a space chamber formed therein; a lid that can be locked to the box-shaped body by a plurality of rod-shaped locking members to cover the upper opening of the box-shaped body; It is composed of a metal thin wire connected to a pair of electrical wires that are arranged in the space chamber of the box-like body and connected to a power supply device, and an explosive substance filled in the space chamber,
Furthermore, on the inner surface side of the lid, a plate-like body that is inserted into the upper opening of the box-like body and can close the upper opening is disposed.
A discharge shock destruction apparatus characterized in that the box-shaped body, the lid body, and the plate-shaped body have a strength that is not damaged by the explosive force of the explosive material filled in the space chamber. A frame-shaped side wall body having a predetermined height, a pair of lid bodies that can be locked to the frame-shaped side wall body via a plurality of rod-shaped locking members and cover the openings on both sides, and the inside of the frame-shaped side wall body A metal thin wire connected to a pair of electrical wires connected to the power supply device and disposed in the space chamber to be formed, and an explosive substance filled in the space chamber,
Furthermore, a plate-like body that can close the opening of the frame-like side wall body is disposed on the inner surface side of each lid body,
A discharge shock destruction apparatus characterized in that the frame-like side wall body, the lid body, and the plate-like body have a strength that is not damaged by the explosive force of the explosive material filled in the space chamber.   3. The discharge impact destruction apparatus according to claim 1, wherein the explosive substance is nitromethane. The discharge impact breaking device according to claim 1 or 2, wherein the rod-like locking member is a bolt.

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