JP2014211284A - Obstacle removing device and obstacle removing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an obstacle removing device and an obstacle removing method which can efficiently and surely remove mines buried in a mine field.SOLUTION: An obstacle removing device comprises: a cylindrical container 11 containing nitro methane NM which foams by stirring and increases detonability; a rocket motor 12 for imparting flight thrust to the cylindrical container 11; a stir mechanism 20 for stirring and foaming the nitro methane NM contained in the cylindrical container 11; a discharge mechanism 30 for discharging the nitro methane NM which is stirred and foamed by the stir mechanism 20 from the cylindrical container 11 flying with the flight thrust obtained from the rocket motor 12 and for spreading the same with a width over a mine field AR; and a detonator 13 with a timer for detonating the nitro methane NM which is spreaded over the mine field AR and is in a foamed state.

Description

  The present invention relates to an obstacle removing apparatus and an obstacle removing method used for blasting and removing an area where obstacles are scattered, for example, a mine buried in a minefield.

Conventionally, as an obstacle removal apparatus as described above, for example, there is a landmine removal apparatus described in Patent Document 1.
The mine removal apparatus described in Patent Document 1 includes a launch tube, a traction bullet for explosive projection, and a braking line having one end connected to the explosive and the other end connected to the launch tube.

  In this mine removal device, after fixing the tail of the launch tube to the ground, it fires a traction bullet toward the minefield where many landmines are buried, and when the target distance is reached, the traction bullet is braked by the braking cable. By detonating the mine and detonating the explosive line that unfolds linearly in the minefield along with the landing of the traction bomb, the buried mine in the minefield is expelled and removed.

JP 2001-336899 A

  However, in the above-mentioned conventional landmine removal device, although the explosive can be arranged as far as the tow bullet's flight distance in the minefield, the explosive will expand in a straight line. However, the number of buried landmines that can be expelled is limited to those located in the vicinity of the explosive line, and the number of buried landmines that can be removed at a time is small, that is, the buried landmines cannot be removed efficiently. It has been a conventional problem to solve this problem.

  The present invention has been made paying attention to the above-described conventional problems. For example, an obstacle removing apparatus and an obstacle removing method capable of efficiently and reliably removing a land mine buried in a minefield. It is intended to provide.

  The invention according to claim 1 of the present invention includes a cylindrical container containing a foamed liquid fuel that is foamed by stirring and has high explosive properties, a flight thrust generating unit that applies a flight thrust to the cylindrical container, and the cylinder An agitating mechanism for agitating and foaming the foamed liquid fuel contained in a container, and discharging the foamed liquid fuel agitated and foamed by the agitating mechanism from the cylindrical container that flies by obtaining a flying thrust from the flying thrust generating unit And a discharge mechanism that spreads over the obstacle interspersed region with a width, and a configuration including an initiating means for detonating the foamed liquid fuel in the foamed state dispersed in the obstacle interspersed region, The obstacle removing device having this configuration is used as a means for solving the above-described conventional problems.

  Here, the foamed liquid fuel released from the flying cylindrical container is dispersed in a band with a normal width in the area where the obstacles are scattered, but the flying conditions such as the flying height and the flying speed of the cylindrical container, the wind direction, the wind speed, the topography, etc. Since the spraying state of the foamed liquid fuel changes depending on the environmental conditions, the case where the foamed liquid fuel is sprayed in a carpet shape wider than the belt shape is included.

  In the obstacle removing apparatus according to the present invention, a nitroparaffin-based fuel such as nitromethane is employed as the foamed liquid fuel that is foamed by stirring and becomes highly explosive.

  In the obstacle removing apparatus according to claim 2 of the present invention, the stirring mechanism includes a rotational force applying means for applying a rotational force around an axis to the cylindrical container, and the rotational force disposed in the cylindrical container. It is configured to have a stirring body that rotates together with the rotating cylindrical container by obtaining a rotational force from the applying means and stirs and foams the foamed liquid fuel.

  In the obstacle removing device provided with the stirring mechanism having such a configuration, the foamed liquid fuel can be foamed safely and reliably.

In this case, the rotational force applying means may be a spin rocket motor provided integrally with the cylindrical container, or a rotational force applying electric motor provided in the launcher.
Note that a foaming agent that foams the foamed liquid fuel by mixing with the foamed liquid fuel in the cylindrical container may be employed instead of the stirring mechanism.

  In the obstacle removing device according to claim 3 of the present invention, the discharge mechanism includes a piston arranged movably along the axis in the cylindrical container, a discharge hole formed in the cylindrical container, and the piston. A piston driving means is provided that is operated to discharge the foamed liquid fuel foamed from the discharge hole of the cylindrical container.

  In the obstacle removing device having the release mechanism having the above-described configuration, the foamed liquid fuel can be discharged with a simple structure.

  At this time, as the piston driving means, for example, a gas generating agent or a pressure accumulation cylinder can be employed. When a gas generating agent is used, it is possible to avoid a sudden rise in the pressure in the cylindrical container by mounting it in multiple parts and operating it stepwise according to the pressure in the cylindrical container. .

In the obstacle removing device according to claim 4 of the present invention, the flying thrust generating unit is a rocket motor disposed on the head of the cylindrical container.
In this case, the flight thrust is reliably applied to the cylindrical container.

In the obstacle removing device according to claim 5 of the present invention, the discharge hole of the discharge mechanism is formed as a flying thrust generating nozzle in a tail portion of the cylindrical container, and the discharging mechanism functions as an assist for the flying thrust generating unit. It is configured to do.
When this configuration is adopted, when the flying thrust generation unit is, for example, a rocket motor, the amount of fuel loaded can be reduced, and the weight and cost can be reduced accordingly.

In the obstacle removing apparatus according to claim 6 of the present invention, the initiation means is mounted on the cylindrical container and discharged into the foamed liquid fuel in a foamed state dispersed in the obstacle interspersed region. For example, a compression spring can be used for releasing the initiation means.
At this time, a detonator with a timer or a detonator that operates by remote control can be adopted as the detonator, and when a detonator with a timer is employed as the detonator, only one may be mounted. A plurality of them may be mounted.

  On the other hand, in the obstacle removing method according to claim 7 of the present invention, when removing the obstacle in the obstacle interspersed region by the obstacle removing device according to any one of claims 1 to 6, the cylindrical container The foamed liquid fuel contained in the agitating mechanism is agitated and foamed by the agitating mechanism, the flying thrust generating unit is operated, and the cylindrical container is launched toward the obstacle interspersed region, While the cylindrical container obtains a flying thrust from the flying thrust generating unit and flies, the foamed liquid fuel foamed by stirring by the stirring mechanism is discharged from the cylindrical container by the operation of the discharging mechanism, and the obstacle is scattered. The foaming liquid fuel in a foamed state is sprayed with a width over the region, and after the initiation means is released toward the foamed liquid fuel in the foamed state, the initiation means is operated to start the explosion. The by detonate simultaneously, has a configuration which is removed by blasting an obstacle located in the foaming liquid fuel covered portion of the foamed state were sprayed with a width in said obstacle interspersed regions.

  In the obstacle removing device and the obstacle removing method according to the present invention, for example, when removing a landmine buried in a minefield, first, on the launcher, the foamed liquid fuel contained in the cylindrical container is stirred by the stirring mechanism and foamed. Let

  Next, when the flight thrust generating unit is operated, the cylindrical container is launched from the launcher toward the minefield.

  While the cylindrical container obtains the flying thrust from the flying thrust generation part and flies, the foamed liquid fuel stirred and foamed by the stirring mechanism is released from the cylindrical container by the operation of the discharge mechanism, and this released foamed liquid fuel is It falls to the object interspersed area and is spread with a width, for example, in a band shape.

  Then, after expelling the explosive means toward the foamed foamed liquid fuel spread over the area where the obstacles are scattered, start the explosive means by operating the explosive means with a timer or remote control, and the foamed foamed liquid fuel is simultaneously When it is exploded, all the landmines buried in the foamed liquid fuel covered with the foam dispersed in the minefield are expelled or destroyed and removed.

  As described above, in the obstacle removing device and the obstacle removing method according to the present invention, for example, when removing a landmine buried in a minefield, the foaming state is farther away by an amount capable of flying the cylindrical container by the flying thrust generation unit. In addition, it is possible to cover the wide area of the minefield as much as the foamed liquid fuel can be spread with a width, and as a result, the buried mine can be removed at once. The number increases, that is, buried landmines can be removed efficiently.

  In the obstacle removing device according to claim 1 and the obstacle removing method according to claim 7 of the present invention, since the above-described configuration is adopted, for example, landmines buried in a minefield can be removed efficiently and reliably. It has a very good effect of being possible.

  Further, in the obstacle removing device according to claim 2 of the present invention, the foamed liquid fuel can be foamed safely and reliably. With the obstacle removing device according to claim 3 of the present invention, the foaming liquid can be formed with a simple structure. A very good effect is obtained that the fuel can be released.

  Further, in the obstacle removing device according to claim 4 of the present invention, the flight thrust can be reliably applied to the cylindrical container. In the obstacle removing device according to claim 5 of the present invention, the flying thrust generating unit It is possible to reduce the weight and cost by the amount that can reduce the amount of on-board fuel. In the obstacle removing device according to claim 6 of the present invention, the foamed liquid fuel dispersed in the minefield is It has a very good effect that it can be reliably detonated.

Cross-sectional explanatory diagram (a) before the launch of the obstacle removing device according to one embodiment of the present invention, cross-sectional explanatory diagram (b) in the state of stirring the foamed liquid fuel before the launch, when the foamed liquid fuel is released after the launch They are sectional explanatory drawing (c) of this figure, and sectional explanatory drawing (d) at the time of explosion apparatus discharge | release. It is sectional explanatory drawing based on the AA line position of the cylindrical container of the obstruction removal apparatus shown in FIG. FIG. 2 is a scatter state explanatory diagram of a state where foamed liquid fuel is sprayed on a minefield when mine removal is performed by the obstacle removing device shown in FIG. 1. Cross-sectional explanatory diagram (a) before the launch of the obstacle removing device according to another embodiment of the present invention, cross-sectional explanatory diagram (b) in the state of stirring the foamed liquid fuel before the launch, discharging the foamed liquid fuel It is sectional explanatory drawing (c) of the state which is flying, obtaining auxiliary flight thrust, and sectional explanatory drawing (d) at the time of discharge | release of a detonator.

Hereinafter, an obstacle removing apparatus according to the present invention will be described with reference to the drawings.
1 to 3 show an embodiment of an obstacle removing device according to the present invention. In this embodiment, an example in which the obstacle removing device according to the present invention is a landmine removing device will be described. To do.

  As shown in FIG. 1 (a), the mine removal apparatus 1 has a cylindrical container 11 containing nitromethane (foamed liquid fuel) NM that foams and becomes highly explosive by stirring, and flies to the cylindrical container 11. A rocket motor (flight thrust generation unit) 12 for imparting thrust, a stirring mechanism 20 for stirring and foaming nitromethane NM accommodated in the cylindrical container 11, and a stirring from the cylindrical container 11 for flying by obtaining a flying thrust from the rocket motor 12 A release mechanism 30 that releases the foamed nitromethane NM stirred by the mechanism 20 and a timer-equipped detonator (detonation means) 13 that detonates the released nitromethane NM are provided.

  In this case, the rocket motor 12 is disposed on the head side (the left side in the figure) of the cylindrical container 11 and includes a plurality of nozzles 12a that inject propellant gas toward the end.

  As shown in FIG. 1B, the stirring mechanism 20 is arranged at the head of the cylindrical container 11 and applies a rotational force around the axis to the cylindrical container 11 (rotational force applying means). 21 and a plurality of long stirrer plates that are arranged along the axis in the cylindrical container 11 and rotate together with the rotating cylindrical container 11 by obtaining rotational force from the spin rocket motor 21 to stir and foam the nitromethane NM. (Stirring body) 22 is provided.

  The long stirring plate 22 is formed by arranging a plurality of through-holes 22a along the longitudinal direction. As shown in FIG. 2, the stirring plate 22 is appropriately spaced in the circumferential direction of the cylindrical container 11 (in this embodiment, Fixed).

  Further, as shown in FIG. 1C, the discharge mechanism 30 includes a piston 31 movably disposed along the axis in the cylindrical container 11 and a plurality of discharge holes 32 formed in the tail portion of the cylindrical container 11. Then, by operating the piston 31, the nitromethane NM foamed from the discharge hole 32 is discharged through the valve 33, and as shown in FIG. 3, the gas is generated to spread over the minefield (obstacle interspersed area) AR with a width. An agent (piston drive means) 34 is provided.

  The gas generating agent 34 is disposed between the rocket motor 12 and the spin rocket motor 21, and the piston 31 is guided to the long stirring plate 22 by the gas G generated by the gas generating agent 34 and is a cylindrical container. 11 moves from the head side to the tail side.

As shown in FIG. 1 (d), at least one detonator 13 with a timer is arranged at the tail portion of the cylindrical container 11, and for example, a compression spring is used for discharging the detonator 13 with a timer. Can do.
An initiating device that operates by remote control may be adopted as the initiating means.

  In the above-described mine removal apparatus 1, when removing a mine buried in a minefield, first, as shown in FIG. 1 (b), the nitromethane NM accommodated in the cylindrical container 11 is stirred by the stirring mechanism 20 on the launcher 15. And foam. That is, the spin rocket motor 21 is ignited and the cylindrical container 11 is rotated around its axis along with the spin rocket motor 21, and the nitromethane NM collides with the stirring plate 22 to stir and foam.

  Next, as shown in FIG. 1 (c), the cylindrical container 11 containing the foamed nitromethane NM is launched from the launcher 15 toward the minefield AR by ignition of the rocket motor 12.

  While the cylindrical container 11 obtains a flying thrust from the rocket motor 12 and flies, the nitromethane NM that has been stirred and foamed by the collision with the stirring plate 22 that rotates with the cylindrical container 11 is generated in the gas generating agent 34 of the release mechanism 30. G is pressed by the piston 31 moving in the cylindrical container 11 and discharged from the discharge hole 32 of the cylindrical container 11 through the valve 33 (state shown by a one-dot chain line and a solid line in FIG. 3) and released in this way. As shown in FIG. 3, the foamed nitromethane NM falls onto the minefield AR and is dispersed with a width.

  Then, as shown in FIG. 1 (d), after one or more detonators 13 with timers are discharged toward the foamed nitromethane NM spread over the minefield AR with a width (indicated by a two-dot chain line in FIG. 3). When the foamed nitromethane NM is detonated all at once by the operation of the detonator 13 with a timer, it is buried in a part covered with the foamed nitromethane NM spread over the landmine AR with a width. All landmines to be expelled or destroyed will be removed.

  As described above, in the landmine removal device 1 according to this embodiment, the foamed nitromethane NM can be disposed as far as the cylindrical container 11 can fly by the rocket motor 12, and the foamed nitromethane NM. As a result, it is possible to cover a wide area of the minefield AR, and as a result, the number of buried landmines that can be removed at a time increases, that is, the buried landmines can be efficiently removed. .

  Moreover, in the landmine removal apparatus 1 according to this embodiment, a spin rocket motor (rotational force applying means) 21 and a plurality of long stirring plates (stirring bodies) 22 arranged along the axis in the cylindrical container 11. Therefore, nitromethane NM can be foamed safely and reliably.

  Further, in the landmine removal device 1 according to this embodiment, the piston 31 is operated by the gas G generated by the gas generating agent (piston driving means) 34 and the foamed nitromethane NM is discharged from the discharge hole 32 through the valve 33. Since the release mechanism 30 is employed, the nitromethane NM can be released with a simple structure.

  Furthermore, in the mine removal apparatus 1 according to this embodiment, since the rocket motor 12 disposed on the head side of the cylindrical container 11 is used as the flight thrust generation unit, the flight thrust is reliably applied to the cylindrical container 11. It will be.

FIG. 4 shows another embodiment of the obstacle removing device according to the present invention. In this embodiment as well, a case where the obstacle removing device according to the present invention is a landmine removing device will be described as an example. .
In addition, the same code | symbol is attached | subjected to the part which comprises the same structure as a previous Example, and the detailed description is abbreviate | omitted.

  As shown in FIG. 4A, the mine removal device 41 includes a cylindrical container 11 containing nitromethane (foaming liquid fuel) NM, and a rocket motor (flight thrust generating unit) that applies a flight thrust to the cylindrical container 11. 12, a stirring mechanism 20 that stirs and foams the nitromethane NM accommodated in the cylindrical container 11, a release mechanism 30 that releases the foamed nitromethane NM stirred by the stirring mechanism 20 from the cylindrical container 11, and the released nitromethane NM. A detonator (detonation means) 13 with a timer for detonation is provided.

  In the landmine removal apparatus 41 according to this embodiment, the discharge mechanism 30 is used as an auxiliary of the rocket motor 12 by forming a plurality of discharge holes 32 located at the tail of the cylindrical container 11 of the discharge mechanism 30 as the flying thrust generating nozzles 32A. To function as.

  Along with this, in the landmine removal device 41 according to this embodiment, the gas generating agent 34 of the release mechanism 30 is mounted in a plurality of parts and is operated stepwise according to the pressure in the cylindrical container 11, The pressure in the cylindrical container 11 is prevented from rising rapidly.

  In the above-described mine removal apparatus 41, when removing a mine buried in the minefield AR, first, as shown in FIG. 4B, the spin rocket motor 21 is ignited on the launcher 15 to ignite the spin rocket motor 21. At the same time, the cylindrical container 11 is rotated around its axis so that the nitromethane NM collides with the stirring plate 22 to stir and foam.

  Next, as shown in FIG. 4C, the ignition of the rocket motor 12 causes the cylindrical container 11 containing the foamed nitromethane NM to be launched from the launcher 15 toward the minefield AR.

  While the cylindrical container 11 obtains a flying thrust from the rocket motor 12 and flies, the nitromethane NM that has been stirred and foamed by the collision with the stirring plate 22 that rotates with the cylindrical container 11 is generated in the gas generating agent 34 of the release mechanism 30. The nitromethane NM in the foamed state, which is pressed by the piston 31 moving in the cylindrical container 11 by G and discharged from the discharge hole 32 of the cylindrical container 11 through the valve 33, and thus released, enters the minefield AR. It falls and spreads with a width (see FIG. 3).

  At this time, since the discharge hole 32 located in the tail portion of the cylindrical container 11 of the discharge mechanism 30 is formed as the flying thrust generating nozzle 32 </ b> A, the discharge mechanism 30 functions as an auxiliary to the rocket motor 12.

  Then, as shown in FIG. 4 (d), one or more timer-equipped detonators 13 are discharged toward the foamed nitromethane NM spread with a width on the minefield AR. When the foamed nitromethane NM is detonated by operation and exploded all at once, all the landmines buried in the part of the minefield AR covered with the foamed nitromethane NM are exploded or destroyed and removed. The Rukoto.

  Thus, in the landmine removal device 41 according to this embodiment, the foamed nitromethane NM can be disposed far away, and the foamed nitromethane NM can be dispersed with a width. The wide range of the original AR can be covered. As a result, the number of buried landmines that can be removed at a time increases, that is, the buried landmines can be removed efficiently.

  Moreover, in the landmine removal device 41 according to this embodiment, the discharge mechanism 30 is used as an auxiliary of the rocket motor 12 by forming the discharge hole 32 located at the tail of the cylindrical container 11 of the discharge mechanism 30 as the flying thrust generating nozzle 32A. Therefore, the amount of fuel loaded on the rocket motor 12 can be reduced, and the weight and cost can be reduced accordingly.

  In the landmine removal apparatuses 1 and 41 according to the above-described embodiments, the case where the rotational force applying means of the stirring mechanism 20 is the spin rocket motor 21 is shown. However, the present invention is not limited to this, and other configurations For example, a rotational force applying motor may be installed in the launcher 15 and the cylindrical container 11 may be rotated by the rotational force applying motor.

  Further, in the landmine removal devices 1 and 41 according to the above-described embodiments, the gas generating agent 34 is adopted as the piston driving means of the release mechanism 30, but the present invention is not limited to this, and other configurations are adopted. For example, a pressure accumulation cylinder can be employed.

  A foaming agent that foams the foamed liquid fuel by mixing with the foamed liquid fuel in the cylindrical container 11 may be used instead of the stirring mechanism.

  Furthermore, in the above-described embodiments, the case where the obstacle removal device according to the present invention is a landmine removal device has been described as an example, but the present invention is not limited to this.

1,41 Mine removal equipment (obstacle removal equipment)
11 Cylindrical container 12 Rocket motor (flying thrust generator)
13 Detonator with timer (detonation means)
20 Stirring mechanism 21 Spin rocket motor (rotation force applying means)
22 Long stirring plate (stirring body)
30 Discharge mechanism 31 Piston 32 Discharge hole 32A Flying thrust generating nozzle 34 Gas generating agent (piston drive means)
AR Minefield (area where obstacles are scattered)
NM Nitromethane (foaming liquid fuel)

Claims (7)

A cylindrical container containing a foamed liquid fuel that is foamed by stirring and has high explosive properties;
A flight thrust generator for imparting flight thrust to the cylindrical container;
An agitation mechanism for agitating and foaming the foamed liquid fuel contained in the cylindrical container;
A discharge mechanism that discharges the foamed liquid fuel that has been stirred and foamed by the stirring mechanism from the cylindrical container that travels by obtaining a flight thrust from the flight thrust generation unit and spreads the obstacle in the area where the obstacle is scattered;
An obstacle removing apparatus comprising: an initiating means for detonating the foamed liquid fuel in a foamed state dispersed in the obstacle interspersed area.   The stirring mechanism includes a rotational force applying unit that applies a rotational force around an axis to the cylindrical container, and the cylindrical container that is disposed in the cylindrical container and rotates by obtaining the rotational force from the rotational force applying unit. The obstacle removing apparatus according to claim 1, further comprising an agitator that rotates and agitates and foams the foamed liquid fuel.   The discharge mechanism includes a piston disposed in the cylindrical container so as to be movable along an axis, a discharge hole formed in the cylindrical container, and the piston that is operated and foamed from the discharge hole of the cylindrical container. The obstacle removing apparatus according to claim 1 or 2, further comprising a piston driving means for discharging the foamed liquid fuel.   The obstacle removing device according to any one of claims 1 to 3, wherein the flying thrust generating unit is a rocket motor disposed at a head of the cylindrical container.   The obstacle removing device according to claim 3, wherein the discharge hole of the discharge mechanism is formed as a flying thrust generation nozzle in a tail portion of the cylindrical container, and the discharge mechanism functions as an assist of the flight thrust generation unit.   The obstacle removing device according to any one of claims 1 to 5, wherein the initiation means is mounted on the cylindrical container and discharged into the foamed liquid fuel in a foamed state dispersed in the obstacle interspersed region. When removing the obstacle points in the obstacle interspersed region by the obstacle removing device according to claim 1,
After the foamed liquid fuel contained in the cylindrical container is agitated and foamed by the agitating mechanism, the flying thrust generating unit is operated to launch the cylindrical container toward the obstacle interspersed region. And
While the cylindrical container obtains a flying thrust from the flying thrust generation unit and flies, the foamed liquid fuel foamed by stirring by the stirring mechanism is discharged from the cylindrical container by the operation of the discharging mechanism, and the obstacle point After spreading the initiation means toward the spread foamed liquid fuel in the spread state, the initiation means is operated to start the explosion and all the foamed liquid fuel in the foamed state is spread all at once. An obstacle removing method, comprising: exploding and removing an obstacle located in a portion covered with the foamed liquid fuel in a foamed state dispersed with a width in the obstacle interspersed region by causing an explosion.

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