JP3103017B2 - Destruction equipment for destroyed objects - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for destroying an object to be destroyed using impact energy due to electric discharge.

[0002]

2. Description of the Related Art Conventionally, there are the following types of destruction devices for destructing objects to be destroyed such as concrete structures and rocks by using impact energy due to electric discharge.

[0003] That is, a thin metal wire is electrically connected by welding between the ends of a pair of electrodes, and a breaking material for transmitting generated pressure (water or a fluid solidified material is used).
A thin metal wire is immersed in a breaking container filled with, and the electrode is inserted through a sealing plug attached to the opening side of the breaking container, and a capacitor is connected to the other end of the electrode.

[0004] A mounting hole is formed in the object to be destroyed, a breaking container is mounted in the mounting hole, and the electric energy charged and stored in the capacitor is supplied to the metal wire in a short time, thereby rapidly melting the metal wire. The material to be destroyed is vaporized and the substance for destruction is vaporized.

[0005]

In the above destruction device, a pair of electrodes are provided for manufacturing the device, and a thin metal wire is welded between these electrodes, so that the production of the destruction device is troublesome and the production cost is increased. However, there is a problem that the structure is bulky and the structure of the entire breaking device is complicated.

Accordingly, an object of the present invention is to provide a device for destroying an object to be destroyed which can solve the above-mentioned problems.

[0007]

Means for solving the problem of the present invention is to provide a coaxial cable in which a concentrically arranged core wire and a shield wire are covered with a covering member using the core wire and the shield wire as electrodes. The end of the covering member is cut off, one end of the core wire and the shield wire are exposed to a destructive substance, and the exposed end of the core wire is connected to the exposed end of the shield wire, so that the core wire is used as a thin metal wire. A capacitor is connected between the other ends, and the electrical energy previously charged and stored in the capacitor is discharged and supplied to the fine metal wire through the electrodes in a short time, thereby melting and vaporizing the fine metal wire and rapidly vaporizing the destructive substance. ,
The object to be destroyed is destroyed by the impact pressure generated at that time.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. First, a first embodiment of the present invention will be described with reference to FIGS. This destruction device 1
Is used for rock destruction and subdivision work of rock on a residential land development site, finish destruction of a tunnel, and demolition of a destructible object H1 such as a concrete structure.

As shown in the configuration diagram of FIG. 1 and the enlarged view of FIG. 2, it is mounted in a mounting hole 20a formed of plastic rubber (synthetic rubber), waterproof paper or glass, and formed in the object to be destroyed H1. The destruction container 2 is filled with a destruction substance (for example, water or the like) 3 for transmitting the generated impact force, and a ready-made coaxial cable 4 is inserted into the sealing plug 2 a of the destruction container 2.

The coaxial cable 4 has a central core wire 5 and
The core wire 5 is composed of a shield wire 6 concentric with the core wire 5 and a covering member 7 made of a synthetic resin that covers the core wire 5 and the shield wire 6, and the core wire 5 and the shield wire 6 are used as electrodes.

Further, the tip of the covering member is cut off, and the ends of the core wire 5 and the shield wire 6 are exposed to the destructive substance 3,
The exposed shield wire 6 is cut short, and the core wire 5 is removed.
Of the core wire 5 is used as a thin metal wire 8.

An energy supply device 9 for supplying electric energy between the electrodes is provided. The energy supply device 9 is connected to the terminals 5a and 6a of the core wire 5 and the shield wire 6 exposed from the sealing plug 2a. Power supply 1
0, a charge control circuit 11 that is connected in series between the power supply device 10 and one terminal 5a and controls an amount of electric energy (amount of charge voltage) stored in the power supply device 10;
A discharge switch 12 connected between the charge control circuit 11 and one terminal 5a;
6a and a capacitor 13 connected in parallel.

In the destruction device 1 constructed as described above, the destruction substance 3 is injected into the destruction container 2, the ready-made coaxial cable 4 is inserted through the sealing plug 2a, and the end of the covering member of the coaxial cable 4 is formed. Is cut off, the shield wire 6 is cut short, the core wire 5 is wound around the shield wire 6, the sealing plug 2a is inserted into the destruction container 2, and the destruction container 2 is mounted in the mounting hole 20a formed in the destroyed object H1. The energy supply device 9 is connected to the terminals 5a and 6a, and electric energy is stored in the capacitor 13.

When the discharge switch 12 is turned on, the thin metal wire 8 is melted and vaporized, and the destructive substance 3 is rapidly vaporized, and the object H1 is broken or weakened by the impact pressure at that time.

According to the first embodiment of the present invention,
By cutting off the end of the covering member of the already manufactured coaxial cable 4 and using the exposed core wire 5 as the thin metal wire 8 and winding the exposed end of the core wire 5 around the shield wire 6, the shield wire 6 is removed.
And the core wires 5 (electrodes) are electrically connected to each other, so that the destruction device 1 can be manufactured inexpensively, and the production is not troublesome, so that the production cost can be reduced, and the entire destruction device 1 can be reduced. The structure can be simplified.

Next, a second embodiment of the present invention will be described with reference to FIG.
The coaxial cable 15 is inserted through the wire, the end of the covering member 19 of the coaxial cable 15 is cut off, and the ends of the core wire 16 and the shield wire 17 are exposed to the destructive substance 3. Is cut short and core 1
The exposed end of 6 is electrically connected to the shield wire 17 by welding or soldering, and the middle of the exposed portion of the core wire 16 is used as a thin metal wire 18. Other configurations are the same as those of the first embodiment, and thus the same reference numerals are given and the description is omitted.

According to a second embodiment of the present invention,
The end of the covering member of the existing coaxial cable 15 is cut off to expose the ends of the core wire 16 and the shield wire 17, the shield wire 17 is cut short, and the exposed end of the core wire 16 is welded to the shield wire 17 by electric welding. And the middle part of the exposed portion of the core wire 16 is used as the thin metal wire 18, so that the destruction device can be manufactured inexpensively as in the first embodiment, and the manufacturing is not troublesome, and therefore the manufacturing cost is reduced. And the structure of the entire breaking device can be simplified.

[0018]

As is apparent from the above description, the present invention relates to a coaxial cable in which a concentrically arranged core wire and a shield wire are covered with a covering member, wherein the core wire and the shield wire are used as electrodes, and the end of the covering member of the coaxial cable is used as an electrode. By cutting off the end and exposing the ends of the core wire and the shielded wire to the destructive substance, and electrically connecting the exposed end of the core wire to the shielded wire and using it as a thin metal wire, the destruction device can be manufactured at low cost. In addition, the production is not troublesome, so that the production cost can be reduced and the structure of the entire breaking device can be simplified.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a breaking device according to a first embodiment of the present invention.

FIG. 2 is an enlarged vertical sectional view of the destruction container.

FIG. 3 is a horizontal enlarged sectional view of the destruction container.

FIG. 4 is an enlarged vertical sectional view of a breaking container according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Destruction device 2 Destruction container 3 Destruction substance 4 Coaxial cable 5 Core wire 5a terminal 6 Shield wire 6a terminal 7 Coating member 8 Metal wire 9 Energy supply device 10 Power supply device 11 Charging control circuit 12 Discharge switch 13 Capacitor 15 Coaxial cable 16 Core wire 17 Shielded wire 18 Fine metal wire 19 Coating member 20a Mounting hole H1 Destructible object

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E21C 37/18 F42D 1/045-1/06 F42D 3/04 E04G 23/00-23/08 B26F 3 / 00 B28D 1/00-7/04

Claims (3)

(57) [Claims] An electrode is connected to one end of the electrode via a thin metal wire and a capacitor is connected to the other end of the electrode. The thin metal wire is exposed to a destructive substance for transmitting impact pressure. Discharge and supply of pre-charged and stored electric energy to the metal wire in a short time through the electrode melts the metal wire and rapidly vaporizes the destructive substance. A breaking device for breaking, wherein a coaxial cable in which a core wire and a shield wire arranged concentrically are covered with a coating material, the core wire and the shield wire are used as electrodes, and ends of the coating material of the coaxial cable are cut off to obtain a core wire and a shield wire. The exposed end of the core wire is exposed to a destructive substance, and the exposed end of the core wire is connected to the exposed end of the shield wire, so that the core wire is used as a thin metal wire. Destruction equipment for destroyed objects. 2. An apparatus according to claim 1, wherein an end of the core wire is wound around an exposed portion of the shield wire. 3. The apparatus for destroying an object to be destroyed according to claim 1, wherein an end of the core wire is welded to an exposed portion of the shield wire.