JP2010159913A - Rope unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rope unit suitable for, in particular, a rope body with low flexibility and capable of preventing collapse of the rope body during conveyance etc. in the rope unit including the rope body drawn by a rocket and projected to a predetermined region. <P>SOLUTION: The rope unit U1 including the rope body 1 drawn by the rocket and projected to the predetermined region has the rope body 1 bundled so as to be played out and a packaging means coming into close contact with the rope body 1 and maintaining the rope body 1 in the bundled state. Since as the packaging means, a storage bag 2 which stores the bundled rope body 1 and of which inner side is decompressed is used, the bundled state of the rope body 1 is maintained so as to prevent the collapse of the rope body 1 during the conveyance etc. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a cable unit including a cable body that is pulled by a rocket and projected onto a predetermined area.

  As this type of rope unit, there is one used for a rocket towing type explosive extension device for landmine disposal. As shown in FIG. 4, the rocket-towing explosive extension device includes a rocket R, a launch pad L for the rocket, a explosive (cord) E that is a rope unit, and a container C. The explosive E contains explosives and is accommodated in a container C so that it can be fed out as shown in FIG.

  And the rocket towing type explosive expansion device connects one end of the explosive E to the rocket R, and launches the rocket R, thereby expanding the explosive E in a straight line and projecting it to a predetermined area, ie, a minefield To do. Thereafter, the explosive E is operated to induce the mine to explode (see Non-Patent Document 1, for example).

  The rope unit used in the above-described rocket tow-type explosive extension device feeds the explosive E from the container C at a high speed. Therefore, in order to smoothly carry out the expelling operation, the explosive E is bent regularly, etc. The explosive E is packed in the container C without any gap so that the accommodation state does not collapse even when subjected to vibration or impact during transportation.

“Latest Defense Technology Taisei” R & D Planning, Inc., February 11, 1985, p. 622-623

  By the way, in recent years, in order to improve the stretchability and strength of the cord body when towed by a rocket, for example, a synthetic rubber material such as silicon is mixed with an explosive or covered with an outer skin of a rubber layer. A cord has been developed which is easy to recover its shape and is not easily broken by the tension at the time of expansion.

  However, the cords as described above can improve the stretchability and strength, but on the other hand, the flexibility becomes low, so it is difficult to pack the container without any gaps. Therefore, it is unavoidable to use a container with sufficient capacity, but there is a problem that the accommodation state tends to collapse due to vibration and impact during transportation, and it is a problem to solve such a problem. there were.

  The present invention has been made paying attention to the above-mentioned conventional problems, and is particularly suitable for a cable unit including a cable body that is pulled by a rocket and projected onto a predetermined area, and is suitable for a cable body with low flexibility. An object of the present invention is to provide a cable unit that can prevent the cable body from collapsing at times.

  The cable unit of the present invention is a unit including a cable body that is pulled by a rocket and projected onto a predetermined area, and a cable body that is gathered so that it can be fed out, and a state in which the cable body is gathered in close contact with the cable body It is the structure provided with the packaging means to maintain, and it is a means for solving the conventional subject with the said structure. For example, a storage bag or a heat-shrinkable film capable of reducing the internal pressure can be used as the packaging means.

  According to the rope unit of the present invention, in the rope unit including the rope body that is pulled by the rocket and projected to the predetermined area, it is particularly suitable for the low-flexibility rope body, and is subjected to vibration and impact during transportation. Even in this case, even when the container is accommodated in a container having a sufficient capacity, it is possible to reliably prevent the cord body from collapsing.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure explaining one Embodiment of the rope unit of this invention, Comprising: The perspective view (a) which shows a rope body and a storage bag, The perspective view (b) which shows the storage bag provided with the fastener in the opening part, and a storage bag It is a perspective view (c) which shows the state which pressure-reduced. It is a figure explaining other embodiment of the rope unit of this invention, Comprising: The perspective view (a) which shows a rope body and a heat-shrinkable film, and the perspective view (b) which shows the state which packaged the rope body. It is a perspective view explaining the conventional cable unit. It is explanatory drawing which shows the rocket towing-type explosive expansion apparatus which a rope unit can apply.

FIG. 1 is a view for explaining an embodiment of the rope unit of the present invention.
The illustrated cable unit U1 includes a cable body 1 gathered so that it can be fed out, and packaging means for keeping the cable body 1 in close contact with the cable body 1. The packaging means of this embodiment is a storage bag 2 that accommodates the bundled ropes 1, and maintains the state of the ropes 1 in close contact with the ropes 1 by depressurizing the inside.

  The cable body 1 is a detonation (E) used in the rocket-traction explosive expansion device shown in FIG. 4 and contains explosives. As an example, the cable body 1 has a total length of several tens of meters and a diameter of 17 mm, and has physical properties of a rubber hardness Shore A90. As a result, the shape of the cable body 1 can be easily restored to a straight state, and the stretchability and strength when towed by a rocket can be improved, but on the other hand, the flexibility is lowered, and the bending radius is reduced when accommodated. It is difficult to make it about 30 mm or less.

  The storage bag 2 is a synthetic resin bag having strength against the accommodation and decompression of the cable body 1 and has a volume sufficiently larger than the bundled cable body 1. As shown in FIG. 1 (a), the storage bag 2 is provided with a suction pipe 3 having a check valve 3a as shown in FIG. 1 (a), or as shown in FIG. 1 (b). A fastener 5 that can be opened and closed can be provided.

  And the rope unit U1 is put in a three-dimensionally gathered state so that the rope body 1 can be extended while the rope body 1 is regularly bent or wound. The illustrated rope body 1 is organized in an orderly manner so that the starting point 1A and the ending point 1B are in opposite positions. Thereafter, the collected ropes 1 are accommodated in the storage bag 2 and the inside of the storage bag 2 is evacuated using pumps.

  At this time, the rope unit U1 uses the storage bag 2 having a volume sufficiently larger than the bundled rope body 1 so that the opposite surface of the bag is placed on the storage bag 2 as shown in FIG. Closed opening pieces 4 are formed. Thereby, the opening part of the storage bag 2 can be sealed. Further, the fastener 5 shown in FIG. 1B may be closed to seal the opening of the storage bag 2.

  Since the rope unit U1 having the above configuration maintains the gathered state of the rope body 1 by the storage bag 2 whose inside is decompressed, it is ensured that the rope body 1 will collapse even when subjected to vibration or impact during transportation. Can be prevented.

  As a result, the rope unit U1 is suitable for housing the rope 1 having high expandability and high strength, that is, the rope 1 having low flexibility. Specifically, in the rocket towing type explosive rope extension apparatus shown in FIG. It becomes very suitable for accommodating explosives (E) with enhanced expandability and strength.

  Further, when the rope unit U1 is used, the storage bag 2 can be easily opened without damaging the rope body 1 by incising the opening piece 4 or opening the fastener 5. In addition, since the integrated state of the cable body 1 is maintained as described above, even if the cable body 1 is extended at a high speed by towing the rocket, the operation can be made smooth.

  As a result, the rope unit U1 can satisfactorily spread the explosive (E) in the rocket tow-type explosive expansion apparatus shown in FIG.

  Further, the rope unit U1 is configured to form the opening piece 4 by bringing the opposing surface of the storage bag 2 into close contact, thereby sealing the opening of the storage bag 2 without using any special means. To achieve further simplification of the structure. Moreover, the opening of the storage bag 2 can be more reliably sealed by providing the fastener 5 that can be opened and closed to seal the opening of the storage bag 2. 2 can be easily performed.

  FIG. 2 is a view for explaining another embodiment of the rope unit of the present invention. Note that the same components as those of the previous embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  The illustrated cable unit U2 includes a cable body 1 gathered so that it can be fed out, and packaging means for keeping the cable body 1 in close contact with the cable body 1. The packaging means of this embodiment is a heat-shrinkable film 6 that surrounds the bundled ropes 1.

  Polypropylene, polyethylene, polystyrene, or the like can be used as a material for the heat-shrinkable film 6, but since the package 1 to be packaged is a detonation, polyvinyl chloride, polyolefin, or the like that shrinks at a lower temperature is used. Is more desirable.

  2A, the rope unit U2 shown in FIG. 2 wraps the rope 1 bundled in a drawable manner with a belt-like heat-shrinkable film 6. At this time, the heat-shrinkable film 6 is tubular. And the both ends thereof are combined to form the overlapping portion 6a. The overlapping portion 6a may be bonded with an adhesive or the like, or as shown by a phantom line in the drawing, a fastener 7 made of a material other than the material of the heat-shrinkable film 6 is provided for more reliable sealing. You can stop it.

  Thereafter, the cord unit U2 heats and contracts the portions other than the superposed portion 6a of the heat-shrinkable film 6, thereby bringing the heat-shrinkable film 6 into close contact with the cord body 1 as shown in FIG. In this way, the aggregated state of the ropes 1 is maintained.

  The rope unit U2 does not completely cover the entire rope body 1 as in the storage bag of the embodiment shown in FIG. 1, but most of the rope body 1 is thermally contracted as shown in FIG. 2 (b). The cable body 1 can be held by covering it with the conductive film 6 and, like the previous embodiment, the cable body 1 can be reliably prevented from collapsing even when subjected to vibration or impact during transportation.

  Further, when the cord unit U2 is used in the rocket towing type explosive expansion device shown in FIG. 4, the heat-shrinkable film 6 is obtained without damaging the cord body 1 by cutting the overlapping portion 6a. Moreover, even if the cable body 1 is extended at a high speed by towing the rocket, the operation can be made smooth.

  Note that the configuration of the rope unit of the present invention is not limited to the above embodiments, and the details of the configuration can be changed as appropriate without departing from the gist of the present invention.

1 cable body 2 storage bag (packaging means)
4 Opening piece 5 Fastener 6 Heat-shrinkable film (packaging means)
E exploration R rocket U exploration unit

Claims (6)

  A unit that includes a cable body that is pulled by a rocket and projected onto a predetermined area, and includes a cable body that can be fed out and packaging means that keeps the cable body in close contact with the cable body. A cord unit characterized by that.   The rope unit according to claim 1, wherein the packaging means is a storage bag that accommodates the bundled ropes and decompresses the inside.   3. The rope unit according to claim 2, wherein the storage bag forms an opening piece in which the opposite surfaces of the bag are in close contact with each other in a state where the rope body is accommodated and the inside is decompressed.   4. The rope unit according to claim 2, wherein the storage bag includes a fastener that can be opened and closed to seal the opening.   The rope unit according to claim 1, wherein the packaging means is a heat-shrinkable film surrounding the bundled rope.   The rope unit according to any one of claims 1 to 5, wherein the rope is a detonation explosive with a built-in explosive.

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