JP3375517B2 - Discharge shock plane breaking device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat metal wire, which is supplied with high voltage energy in a short time to generate a discharge impact force utilizing a rapid expansion force when the metal wire is instantly melted and vaporized. The present invention relates to a discharge impact plane destruction device that destroys an electric field.

[0002]

2. Description of the Related Art Conventionally, a breaking hole has been formed in an object to be destroyed, and a thin metal wire connected to the inside of the breaking hole is built in and a cartridge in which a breaking substance (pressure transmitting material) such as water is sealed is embedded. High-voltage energy is supplied from the power supply device for generating discharge shock to the electrodes of the cartridge in a short time, and the object to be destroyed can be destroyed by the impact force generated by the rapid expansion of the thin metal wire due to the instantaneous vaporization phenomenon. Proposed.

[0003]

However, it is necessary to form a breaking hole for each breaking work. For example, when breaking a reinforced concrete structure, the first contained reinforcing bar is exposed and a tool or the like is used. It is desirable to be able to perform plane breaking work efficiently when deep breaking is not required, such as when cutting by cutting.

It is an object of the invention according to claim 1 of the present invention to solve the above-mentioned problems and to provide a discharge impact plane destruction apparatus capable of rapidly performing destruction work.

[0005]

In order to achieve the above object, the invention according to claim 1 of the present invention is a pressing jig fixed to the surface of an object to be destroyed by an impact force supporting means, and this pressing jig. At least a pair of electrodes attached to the pressing jig, a thin metal wire connected between the electrodes on the front surface of the holding jig facing the object to be destroyed, and a space between the object to be destroyed and the front surface of the pressing jig. and destruction substance to immerse the fine metal wire, wherein
Through the injection hole formed in the front of the holding jig
Injecting a destructible substance between the front of the holding jig and the object to be destroyed
And supports the impact pressure due to the vaporization of thin metal wires
It is equipped with a possible destruction material supply device and an energy supply circuit for supplying high voltage energy to the electrodes.

According to the above structure, the pressing jig is fixed to the surface of the object to be destroyed by the impact force supporting means, the destructive substance is filled between the pressing jig and the object to be destroyed, and the fine metal wire is immersed. Then, by supplying high voltage energy from the energy circuit to the thin metal wire in a short time, the thin metal wire is rapidly vaporized and expanded, and the impact force is used to quickly and effectively destroy the object to be destroyed. The pressing jig can be used without losing the impact force. Supply of substances for destruction
The device allows quick and easy destruction of destructible substances after each destructive operation.
Can be filled in and the destruction work can be performed efficiently.
It

[0007]

[0008]

The invention according to claim 2 is the impact force supporting hand.
Stage is constituted by the pressing biasing device, the rear side of the pressing jig is formed in a pressing direction of the cylinder chamber pressing jig, the piston member is projecting and retracting by the pressing biasing device to the cylinder chamber The destruction chamber is slidably arranged, and an injection hole for the destruction substance is communicated with the end surface of the cylinder chamber, the cylinder chamber is formed to have a volume of the destruction substance required for one destruction, and the destruction is performed by a pressing biasing device. Material supply equipment
Jig that holds the destructible substance by the protruding piston member
While pouring into the front side of the
Touch the end face of the cylinder chamber and attach the holding jig to the surface of the object to be destroyed.
It is configured to be pressed and supported on the surface .

According to the above structure, the pressing and urging device allows
Since the destructive substance supply device is operated via the piston member, the destructive substance is press-fitted from the cylinder chamber through the injection hole into the destructive substance through the injection hole by the action of pressing the pressing jig. At the same time, the movement limiting pressing jig of the piston member can be pressed and fixed, and the destruction preparation work can be performed extremely efficiently.

According to a third aspect of the present invention , a reflection concave portion whose bottom surface serves as an impact force reflecting surface is formed on the front surface of the pressing jig , and a thin metal wire is arranged in the reflection concave portion.
The reflective recess is filled with a destructive substance.

According to the above construction, the shock wave generated by melting and vaporizing the metal thin wire and propagating to the holding jig side is reflected, and the shock force reflecting surface is reflected to concentrate the reflected shock wave on the non-destructive object. Can be reached, and can be effectively operated.

According to a fourth aspect of the present invention, there is provided a container in which a destructive substance is enclosed and which can be fitted in the reflection recess, and a connecting terminal which is attached to the container and can be connected to each of the electrodes. And a metal thin wire connected between the connection terminals in the container.

According to the above construction, the work of attaching the fine metal wires and filling the material for destruction is eliminated by simply exchanging the replacement cartridge, and the destruction work can be carried out quickly.

Further , a fifth aspect of the present invention is such that a plurality of thin metal wires are arranged in a rectangular shape on the front surface of the pressing jig .

According to the above construction, by disposing the metal thin wires, the object to be destroyed can be destroyed in a wide range.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a discharge impact plane destruction apparatus according to the present invention will be described with reference to FIGS.

The breaking device 1 includes a holding jig 5 fixed to the surface of the object to be broken 4 via an output rod 3 by a hydraulic pressing cylinder (pressing urging device) 2 which is an impact force supporting means. The pair of electrodes 6A, 6B mounted in the mounting holes 5a, 5b of the holding jig 5 and the front ends of the holding jig 5 are connected in parallel to each other via the connecting terminals 7 between the tip portions of the electrodes 6A, 6B. Two fine metal wires (made of Cu, for example) 8 and a destructive substance that is filled between the object to be destroyed 4 and the pressing jig 5 and immerses the fine metal wire 8 (transmits without damaging the impact force). A fluid material that can be used, such as water or a jelly-like material) 9 and a thin metal wire 8 and an electrode 6
Between the energy supply circuit 10 for supplying high-voltage energy through A, 6B and the lead wire, and between the object to be destroyed 4 and the holding jig 5 via the plurality of injection holes 11 formed in the holding jig 5. It comprises a destruction material supply device 12 for supplying the destruction material 9.

The holding jig 5 can withstand the impact force generated by the rapid melting and vaporization phenomenon of the thin metal wire 8, and if possible, it can effectively reflect the impact force, and can be made of metal, resin, ceramics, Synthetic rubber and its composite materials are used. When a conductive material is used, the insulator 6a is provided between the electrodes 6A and 6B and the pressing jig 5.
Is intervened.

In the destructive substance supply device 12, a cylinder tube 13 is provided on the back surface of the pressing jig 5 to form a cylinder chamber 15 into which a piston member 14 is slidably fitted, and the injection hole 11 is formed. Are opened and communicated with the end surface of the cylinder chamber 15. Further, the piston member 14 is configured such that the output rod 3 of the pressing cylinder 2 is connected to push and pull. Furthermore, this cylinder chamber 15
It is set to the amount of disruption agent 9 whose capacitance is used in the destruction of one, the piston member 14 in the protruding limit sheet
The impact force can be supported by contacting the end surface of the binder chamber 15 . A destruction material tank 17 is connected to the cylinder chamber 15 via a material supply hose 16.

As described above, the destructive substance supply device 12 is
It is configured to be actuated by the pressing cylinder 2, and by expanding the pressing cylinder 2, the destruction material 9 in the cylinder chamber 15 is injected from the injection hole 11 between the object to be destroyed 4 and the pressing jig 5. At the same time as press-fitting to fill the gap, the pressing jig 5 is pressed and supported on the side of the object to be destroyed 4 to support the impact force generated by the rapid expansion of the thin metal wire 8 due to the instantaneous melting and vaporization phenomenon, and at the same time, the injection hole. The impact pressure of the destructive substance 9 acting on the piston member 14 via 11 can be supported.

The destruction method by the destruction device 1 having the above structure is as follows.
First, the pressing jig 5 is arranged at the destruction position of the object to be destroyed 4 via the pressing cylinder 2, and the pressing cylinder 2 is extended to press and fix the pressing jig 5 onto the surface of the object to be destroyed 4, and at the same time. The destructive substance 9 in the cylinder chamber 15 is press-fitted from the injection hole 11 between the object to be destroyed 4 and the pressing jig 5 to fill the gap. Then, high-voltage energy is supplied from the energy supply circuit 10 to the metal thin wire 8 via the electrodes 6A and 6B in a short time (instantaneously), the metal thin wire 8 is instantly melted and vaporized, and an impact force is generated by rapid expansion. Let This impact force is transmitted to the surface of the object to be destroyed 4 through the substance for destruction 9, further reflected on the surface of the pressing jig 5 and transmitted to the surface of the object to be destroyed 4, and the object 4 to be destroyed has a predetermined depth. Be destroyed by.
Here, when exposing the reinforcing bars contained in the object to be destroyed 4, the breaking force of the breaking device 1 is set to reach the reinforcing bars.

According to the first embodiment described above, it is not necessary to form a breaking hole, and the pressing cylinder 2 presses and holds the pressing jig 5 against the object to be destroyed 4, and at the same time, the substance 9 for breaking is destroyed. High-voltage energy is applied by press-fitting and fine metal wire 8
It is possible to carry out the destructive work only by supplying to, and the destructive work can be carried out quickly. In addition, the pressing cylinder 2 drives the piston member 14 via the output rod 3,
Since the destructive substance 9 is configured to be press-fitted, a device for depressing the destructive substance 9 is not required, and the impact force transmitted from the injection hole 11 can be maintained. Here, the surface of the object to be destroyed 4, whether it is a flat surface shown by a solid line or an uneven surface shown by a virtual line, is satisfactorily broken by the filling of the breaking substance 9.

Although the two thin metal wires 8 are arranged in the first embodiment, it is of course possible to use only one thin wire 8 or 3 wires.
For example, four metal fine wires 8 can be arranged in parallel with each other as shown in FIG. 3, or four metal fine wires 8 can be arranged in a rectangular shape as shown in FIG.

Further, although the hydraulic pressure cylinder 2 is used as the impact force supporting means, a mechanical pressure urging device such as a screw type jack device may be used, or an impact force supporting structure having no urging force may be used. .

5 to 7 show a second embodiment of the breaking device 21. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. This destruction device 21
In front of the pressing jig 22, on the periphery of one thin metal wire 8,
A reflection recess 24 is formed in which the bottom surface is formed on the impact force reflection surface 23 having a concave curved cross section and is filled with the destructive substance 9, and the thin metal wire 8 is disposed in the vicinity of the opening of the reflection recess 24.
It suffices that the impact force reflecting surface 23 reflect the expansion impact force caused by the rapid melting and vaporization of the thin metal wires 8 to effectively destroy the surface of the object to be destroyed 4, and the impact force reflecting surface having a semicircular cross section as shown in the drawing. 23 or the impact force reflecting surface 3 having a semi-elliptical cross section in FIG.
However, the impact force reflecting surface 32 having the V-shaped groove cross section in FIG. 9 may be used.

According to the above structure, the impact force due to the rapid vaporization of the thin metal wire 8 is applied to the impact force reflecting surfaces 23, 31, 32.
By more effectively reflecting and concentrating on the surface of the object to be destroyed 4, the impact force can be increased. At the same time, the direct impact force transmitted from the thin metal wire 8 directly to the surface of the object to be destroyed 4 through the substance for destruction 9 and the reflected impact force reflected to the impact force reflection surface and transmitted to the object to be destroyed 4. Due to a slight time difference, the applied impact force is maintained and the object to be destroyed can be destroyed effectively.

It should be noted that the destruction device 21 is not provided with a destruction substance supply device, and the destruction substance 9 filled in the reflection recess 24 is before the pressing jig 21 is pressed against the object to be destroyed 4. Then, a worker fills the reflective recess 24 with a jelly-like destructive substance, and in some cases, the object to be destroyed 4
It is also applied to the surface of.

Further, FIG. 10 shows a third embodiment in which a replacement cartridge 41 is provided in order to improve the destruction work procedure, and the same members as those in the second embodiment are designated by the same reference numerals. , Description is omitted. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.

The exchange cartridge 41 includes a flexible container 42 made of synthetic resin or synthetic rubber, a breaking substance 9 filled in the container 42, and a pair of connecting terminals 43 penetrating the container 41. It is composed of the thin metal wire 8 which is connected to 43 and is immersed in the destructive substance 9. Before use, a plurality of replacement cartridges 41 are manufactured,
By exchanging this with the replacement cartridge 41 that has been damaged by use for each destructive work, it is possible to quickly proceed to the next destructive work. Although the container 42 is made flexible here,
Even if it is hard, it may have any shape as long as it can be fitted in the reflection recess 24.

FIG. 11 shows a fourth embodiment in which two thin metal wires 8A and 8B are arranged in parallel. The same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. That is, in the breaking device 51, the pressing recesses 52 are formed with the reflection recesses 24A and 24B for the respective thin metal wires 8A and 8B, and the impact force generated and removed from the respective thin metal wires 8A and 8B is effective. Can be focused on.

[0032]

As described above, according to the first aspect of the present invention, the holding jig is fixed to the surface of the object to be destroyed by the impact force supporting means, and the space between the holding jig and the object to be destroyed is fixed. Just by filling the destructive substance into the metal wire and immersing it in the metal wire, the high voltage energy is supplied from the energy circuit to the metal wire in a short time to rapidly melt and expand the metal wire, and the impact The object to be destroyed can be destroyed quickly and effectively by force, and the pressing jig can be used without missing the impact force. Also, by the substance supply device for destruction,
A quick and easy filling of destructible material with each demolition operation.
It is possible to perform destruction work efficiently.

[0033]

Further, according to the second aspect of the present invention, since the destructive substance supply device is operated by the pressing biasing device via the piston member, the cylinder chamber is moved by pressing the pressing jig. It is possible to press the destructive substance between the holding jig and the object to be destroyed through the injection hole, and at the same time, to press and fix the movement limiting holding jig of the piston member, making the preparatory work extremely efficient. You can do it well.

Further, according to the third aspect of the present invention, the shock wave generated by melting and vaporizing the metal thin wire and propagating to the holding jig side is reflected and reflected by the impact force reflecting surface, so that the reflected shock wave is not reflected. You can focus on the destructive objects and make them effectively act.

Further, according to the invention as set forth in claim 4 , the work of attaching the fine metal wires and filling the material for destruction is eliminated by simply exchanging the exchange cartridge, and the destruction work can be carried out quickly.

Further, according to the fifth aspect of the invention, the disposition of the fine metal wires can destroy the object to be destroyed in a wide range.

[Brief description of drawings]

FIG. 1 is a plan sectional view showing a first embodiment of a discharge impact plane destruction device according to the present invention.

FIG. 2 is a front view showing the destruction device.

FIG. 3 is a front view showing a modified example of the arrangement of the metal thin wires of the destruction device.

FIG. 4 is a front view showing a modification of another arrangement of the thin metal wires of the destruction device.

FIG. 5 is a plan sectional view showing a second embodiment of a discharge impact plane destruction device according to the present invention.

FIG. 6 is a side sectional view showing the breaking device.

FIG. 7 is a side sectional view for explaining the action of the impact force reflecting surface of the destruction device.

FIG. 8 is a side sectional view showing a modified example of the impact force reflecting surface of the destruction device.

FIG. 9 is a side sectional view showing another modified example of the impact force reflecting surface of the destruction device.

FIG. 10 is a plan sectional view showing a third embodiment of the discharge impact plane destruction device according to the present invention.

FIG. 11 is a side sectional view showing a fourth embodiment of a discharge impact plane destruction device according to the present invention.

[Explanation of symbols]

1,21,51 Destruction device 2 Pressing cylinder (pressing device, impact force support means) 3 output rod 4 Destroyed objects 5,22,52 Holding jig 6A, 6B electrodes 6a insulation 8,8A, 8B thin metal wire 9 Destructive substances 10 Energy supply circuit 11 injection holes 12 Destruction material supply device 14 Piston member 15 cylinder chamber 23, 31, 32 Impact force reflection surface 24, 24A, 24B Reflective recess 41 replacement cartridge 42 containers

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Daisuke Tamakoshi, 3-8, Nishikujo 5-328, Konohana-ku, Osaka City, Osaka Prefecture, Hitachi Shipbuilding Co., Ltd. (56) Reference JP-A-8-252818 (JP, A) Kai 48-91838 (JP, A) JP 52-56731 (JP, A) JP 9-38954 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04G 23 / 08 B28D 1/00 E21C 37 / 14,37 / 18 F42D 3/00-3/06 B26F 3/00

Claims (5)

(57) [Claims] 1. A pressing jig fixed to the surface of an object to be destroyed by impact force supporting means, at least a pair of electrodes attached to the pressing jig, and a front surface of the pressing jig facing the object to be destroyed. A metal thin wire connected between the electrodes, a destructive substance filled between the object to be destroyed and the front surface of the holding jig to immerse the thin metal wire, and an opening formed on the front surface of the holding jig. Through the injection hole
And place a destructible substance between the front of the holding jig and the object to be destroyed.
At the same time as injecting, the impact pressure due to the vaporization of thin metal wires
A discharge impact plane destruction apparatus comprising a supportable destruction material supply apparatus and an energy supply circuit for supplying high voltage energy to the electrodes. Wherein impact force support means is constituted by the pressing biasing device, the rear side of the pressing jig is formed in a pressing direction of the cylinder chamber pressing jig, the pressing biasing device to the cylinder chamber The piston member is slidably arranged so that the destruction material injection hole communicates with the end surface of the cylinder chamber, and the cylinder chamber is formed to have a volume of the destruction material required for one destruction. , A piston of the destructive substance supply device by a pressure urging device
The member protrudes and holds the destructive substance on the front side of the jig.
And the piston member is
Abutting on the end face and supporting the pressing jig against the surface of the object to be destroyed
Discharge damage plane breaking device according to claim 1, characterized in that it is configured to. 3. A front surface of the pressing jig is formed with a reflection concave portion whose bottom surface serves as an impact force reflecting surface, and a thin metal wire is arranged facing the reflection concave portion, and
It is characterized in that the reflecting recess is filled with a destructive substance.
The discharge impact plane destruction apparatus according to claim 1 or 2 . 4. A container in which a destructive substance is enclosed and which can be fitted into a reflection recess, a connecting terminal which is attached to the container and can be connected to each of the electrodes, and is connected between the connecting terminals in the container. 4. The discharge impact plane destruction apparatus according to claim 3 , further comprising an exchange cartridge having a thin metal wire. 5. The discharge impact plane destruction apparatus according to claim 1 , wherein a plurality of thin metal wires are arranged in a rectangular shape on the front surface of the pressing jig.