KR102416645B1 - Cutting apparatus using thermit reaction - Google Patents

Abstract

The cutting device using the thermite reaction according to an embodiment of the present invention is an inner case in which a receiving part for accommodating the first and second reactants for the thermite reaction is formed and an insertion groove into which the object to be cut is inserted, the inner case Surrounding at least a portion of the outer side of the outer case, in which the insertion groove is formed and a locking groove communicating with the insertion groove is formed, is accommodated in the interior of the inner case, and cuts the object to be cut as the thermite reaction occurs An ignition unit for generating the thermite reaction by applying heat to the first reactant and the second reactant to be accommodated in the inner case, and the ignition unit to the first reactant and the second reactant It includes an induction part for inducing the application of heat.

Description

Cutting apparatus using thermite reaction

The present invention relates to a cutting device using a thermite reaction used to easily cut a wire or the like.

In recent years, illegal fishing in which fishing boats from other countries form a large corps without permission and enter the Korean exclusive economic zone (EEZ) to recover fishing nets installed by their own fishing boats is prevalent. The members of the guidance enforcement team board the fishing boat carrying out illegal fishing and first collect the voyage log and fishing log as evidence to crack down on or arrest illegal fishing. Accidents that threaten and injure the Coast Guard and enforcement team members are frequent.

Illegal fishing vessels, etc. form a large group and, when caught by the Coast Guard while fishing illegally, flee outside the exclusive ERC. Therefore, it is very difficult to crack down on criminal acts.

The Coast Guard conducts crackdowns on illegal activities by embarking on illegal fishing vessels, checking illegal fishing, and arresting illegal sailors. However, illegal sailors install obstacles such as wires or wire meshes surrounding the body of illegal fishing vessels to prevent the coast guard from berthing. Therefore, the Coast Guard performs the task of cutting obstacles in advance in order to crack down on criminal acts.

Conventional methods for cutting obstacles include a cutting method using a chain saw and a cutting method using explosives, but these methods have the following problems.

First, in the method of cutting obstacles using a chainsaw, it is difficult to accurately aim the obstacles because the weight and volume of the chainsaw itself are large, and it is necessary to hold the chainsaw for a long time. In addition, when cutting the wire, there is a risk that the wire may be splashed out by tension, and the thickness of the wire itself is very large, so the rotation of the saw blade stops and the operation of cutting the obstacle is delayed.

Second, the cutting method using explosives may generate noise, flames, and fragments, which may cause casualties, and generate a lot of energy, so it is inefficient in cutting objects such as wires. In addition, the cutting method using an explosive is costly, and an expert who can install the explosive when using it is necessarily required.

Therefore, there is a need for a cutting device to solve the above problems and efficiently cut an obstacle such as a wire or a wire mesh.

The present invention has been devised to solve the above-described problems, and an object of the present invention is to provide a cutting device for cutting obstacles such as wires or wire meshes safely and efficiently.

The cutting device using the thermite reaction according to an embodiment of the present invention is an inner case in which a receiving part for accommodating the first and second reactants for the thermite reaction is formed and an insertion groove into which the object to be cut is inserted, the inner case Surrounding at least a portion of the outer side of the outer case, in which the insertion groove is formed and a locking groove communicating with the insertion groove is formed, is accommodated in the interior of the inner case, and cuts the object to be cut as the thermite reaction occurs An ignition unit for generating the thermite reaction by applying heat to the first reactant and the second reactant to be accommodated in the inner case, and the ignition unit to the first reactant and the second reactant It may include an induction part for inducing to apply heat.

Also, the outer case may be disposed outside the inner case to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed.

In addition, the outer case includes an outer sealing member surrounding the outer side of the locking groove to limit the movement of the object to be cut in the closed position, and the inner case is configured to limit the movement of the object to be cut in the closed position. It may include an inner sealing member surrounding the outer side of the locking groove.

In addition, the ignition unit may include a catalyst ribbon for accelerating the thermite reaction, a fuse connected to the catalyst ribbon to apply heat to the first reactant and the second reactant, and an ignition member connected to the fuse.

In addition, the induction part may include a heating wire for applying heat to the ignition part, and a battery for providing power to the heating wire.

In addition, the outer case is disposed outside the inner case to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed, and the induction unit receives an operation signal for operating the battery in the closed position. It may further include a pressure release type actuation sensor to generate.

In addition, the outer case is disposed outside the inner case so as to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed, and the induction part includes a first magnet connected to the heating wire and the battery and a first magnet connected to the battery. and a magnetic sensor having two magnets, wherein the magnetic sensor may generate an operation signal for operating the battery when the first magnet and the second magnet are separated from each other in the sealed position.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention is connected to the outer case, it may further include a connecting portion having a connecting groove into which a moving mechanism for moving the outer case is inserted.

In addition, the moving mechanism includes a first moving mechanism and a second moving mechanism coupled to be separable from each other in one direction, and at least one of the first moving mechanism and the second moving mechanism is separated and coupled in one direction. It may include a guide member for guiding the.

In addition, the cutting device using a thermite reaction according to an embodiment of the present invention includes a ball plunger fastening hole formed in the inner case, a ball plunger inserted into the ball plunger fastening hole, and a ball plunger formed in the outer case to which the ball plunger is inserted. It may further include a fastening portion including a ball plunger fixing groove.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention may further include a cover coupled to the inner case so as to surround a portion of the outside of the cutting object inserted into the insertion groove.

In addition, the cover may include a thermoplastic material.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention may further include a cover for covering the upper portion of the inner case.

In addition, the outer case includes a protruding member protruding toward the inner case, the inner case comprises a preventing groove into which the protruding member is inserted, the protruding member is inserted into the preventing groove to be inserted into the outer of the inner case Rotation with respect to the case can be prevented.

In addition, the inner case may include a carbon steel material.

In addition, the outer case and the inner case may include a carbon steel material.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention is connected to the outer case, it may further include a connecting portion having a connecting groove into which a moving mechanism for moving the outer case is inserted. The connecting portion includes a guide groove into which the protruding mechanism protruding from the outer surface of the moving mechanism is inserted, and the guide groove may extend in at least two directions.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention may further include a connector electrically connected to the ignition unit.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention is connected to the outer case, it may further include a connecting portion having a connecting groove into which a moving mechanism for moving the outer case is inserted. The connector may be disposed to pass through the connection groove.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention is coupled to the inner case so as to surround the outside of the cutting target inserted into the insertion groove, the mask exposing a portion of the outside of the cutting target to the outside It may further include a member.

The cutting device using the thermite reaction according to the embodiment of the present invention as described above can safely cut the object to be cut using the thermite reaction utilizing the safe metal oxidation action.

In addition, the cutting device using the thermite reaction according to the embodiment of the present invention generally does not react at a low temperature, and can induce the thermite reaction only at a high temperature of 1200° C. or more through the ignition part and the induction part, so that the first reactant and The second reactant can be safely stored.

In addition, the cutting device using thermite reaction according to an embodiment of the present invention can cut the object to be cut at a high temperature of 2500 ~ 3000 ℃ or higher through induction of the thermite reaction, so it will help to perform the cutting operation without noise and debris. can

In addition, since the cutting device using the thermite reaction according to an embodiment of the present invention can be manufactured in a relatively small size, storage, transportation and utilization are convenient.

1 (a) and 1 (b) are schematic side views showing the open position and the closed position of the cutting device using thermite reaction according to the first embodiment of the present invention.
Figure 2 (a) and Figure 2 (b) is a view showing the state of actually using the cutting device using thermite reaction according to the first embodiment of the present invention.
Figure 3 is a schematic side cross-sectional view of a cutting device using thermite reaction according to the first embodiment of the present invention.
4 is a view showing an example of the induction part in the cutting device using thermite reaction according to the first embodiment of the present invention.
5 is a view showing another example of the induction part in the cutting device using thermite reaction according to the first embodiment of the present invention.
6 (a) and 6 (b) is a view showing a moving mechanism in the cutting device using thermite reaction according to the first embodiment of the present invention.
7 (a) and 7 (b) are schematic perspective views showing the open position and the closed position of the cutting device using thermite reaction according to the second embodiment of the present invention.
8 (a) and 8 (b) are perspective views of the inner case and the outer case in the cutting device using thermite reaction according to the second embodiment of the present invention.
9 is a bottom view of a cutting device using thermite reaction according to a second embodiment of the present invention.
10 is a perspective view in which the outer case and the inner case are separated in the cutting device using thermite reaction according to the third embodiment of the present invention.
11 is a perspective view of a cutting device using thermite reaction according to a fourth embodiment of the present invention.
12 is a view showing the inside of a cutting device using thermite reaction according to a fourth embodiment of the present invention.
13 is a view showing a moving mechanism and a connection part in the cutting device using thermite reaction according to the fourth embodiment of the present invention.
14 is a view showing the open position of the cutting device using thermite reaction according to the fourth embodiment of the present invention.
15 is a view showing the sealing position of the cutting device using thermite reaction according to the fourth embodiment of the present invention.
16 is a view showing a connector in a cutting device using thermite reaction according to a fourth embodiment of the present invention.

실시예들에서 사용되는 용어는 본 발명에서의 기능을 고려하면서 가능한 현재 널리 사용되는 일반적인 용어들을 선택하였으나, 이는 당 분야에 종사하는 기술자의 의도 또는 판례, 새로운 기술의 출현 등에 따라 달라질 수 있다. 또한, 특정한 경우는 출원인이 임의로 선정한 용어도 있으며, 이 경우 해당되는 발명의 설명 부분에서 상세히 그 의미를 기재할 것이다. 따라서 본 발명에서 사용되는 용어는 단순한 용어의 명칭이 아닌, 그 용어가 가지는 의미와 본 발명의 전반에 걸친 내용을 토대로 정의되어야 한다.

Terms used in the embodiments are selected as currently widely used general terms as possible while considering functions in the present invention, but may vary depending on intentions or precedents of those of ordinary skill in the art, emergence of new technologies, and the like. In addition, in a specific case, there is a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

Expressions such as “comprises” or “may include” that may be used in various embodiments of the present invention indicate the existence of a corresponding disclosed function, operation, or component, and may include one or more additional functions, operations, or Components, etc. are not limited. In addition, in various embodiments of the present invention, terms such as “comprise” or “have” are intended to designate that a feature, number, step, action, component, part, or combination thereof described in the specification is present, It should be understood that this does not preclude the possibility of addition or existence of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

When it is said that a component is "connected" to another component, the component may be directly connected to the other component, but a new component is formed between the component and the other component. It should be understood that there may be On the other hand, when an element is referred to as being “directly connected” or “directly connected” to another element, it will be understood that no new element exists between the element and the other element. should be able to

Terms used in various embodiments of the present invention are only used to describe a specific embodiment, and are not intended to limit various embodiments of the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by those of ordinary skill in the art to which various embodiments of the present invention pertain.

Hereinafter, with reference to the accompanying drawings, the embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein.

1 (a) and 1 (b) are schematic side views showing the open position and the closed position of the cutting device using thermite reaction according to the first embodiment of the present invention, Figures 2 (a) and 2 ( b) is a view showing the state of actually using the cutting device using thermite reaction according to the first embodiment of the present invention. 3 is a schematic sectional side view of a cutting device using thermite reaction according to the first embodiment of the present invention, and FIG. 4 is an example of an induction part in the cutting device using thermite reaction according to the first embodiment of the present invention. It is the drawing shown. Figure 5 is a view showing another example of the induction part in the cutting device using thermite reaction according to the first embodiment of the present invention, Figures 6 (a) and 6 (b) are in the first embodiment of the present invention It is a view showing the moving mechanism in the cutting device using the thermite reaction.

7 (a) and 7 (b) are schematic perspective views showing the open position and the closed position of the cutting device using thermite reaction according to the second embodiment of the present invention, Figures 8 (a) and 8 ( b) is a perspective view of an inner case and an outer case in the cutting device using the thermite reaction according to the second embodiment of the present invention, and FIG. 9 is a bottom view of the cutting device using the thermite reaction according to the second embodiment of the present invention. to be.

10 is a perspective view in which the outer case and the inner case are separated in the cutting device using thermite reaction according to the third embodiment of the present invention.

11 is a perspective view of a cutting device using thermite reaction according to a fourth embodiment of the present invention, and FIG. 12 is a view showing the inside of the cutting device using thermite reaction according to a fourth embodiment of the present invention. 13 is a view showing a moving mechanism and a connection part in the cutting device using thermite reaction according to the fourth embodiment of the present invention, and FIG. 14 is the opening of the cutting device using thermite reaction according to the fourth embodiment of the present invention. A diagram showing the location. Figure 15 is a view showing the sealing position of the cutting device using thermite reaction according to the fourth embodiment of the present invention, Figure 16 is a connector in the cutting device using thermite reaction according to the fourth embodiment of the present invention it is one drawing

1 to 16, the cutting device (10, 20, 30, 40) using a thermit reaction according to an embodiment of the present invention is used to cut the wire 100 using a chemical reaction. will be. However, the cutting device (10, 20, 30, 40) using the thermite reaction according to the embodiment of the present invention is not limited to the specific four embodiments to be described later, as long as it can cut the cutting object such as the wire 100 Other variations may be included.

The cutting device using thermite reaction according to an embodiment of the present invention includes an outer case, an inner case, an ignition unit, an induction unit, and a connection unit. However, the components of the cutting device using thermite reaction according to the embodiment of the present invention are not limited thereto, and the component according to the embodiment may be added or at least one component may be omitted.

Hereinafter, four embodiments of the cutting device using thermite reaction according to the present invention will be sequentially described.

1 to 6 , the cutting device 10 using the thermite reaction according to the first embodiment of the present invention includes a accommodating part 120a for accommodating a first reactant and a second reactant for the thermite reaction. The inner case 12 is formed and an insertion groove 10a into which the object to be cut 100 is inserted, surrounds at least a part of the outer side of the inner case 12, an insertion groove 10a is formed, and an insertion groove 10a is formed. ) is accommodated in the outer case 11 and the inner case 12 having a locking groove 10b in communication with the first reactant to cut the object 100 to be cut as the thermite reaction occurs, and The ignition part 13 for generating the thermite reaction by applying heat to the second reactant is accommodated in the inner case 12, and the ignition part 13 is heated to the first reactant and the second reactant. It includes an induction part 14 for inducing to apply.

Accordingly, the cutting device 10 using thermite reaction according to an embodiment of the present invention can achieve the following effects.

First, the cutting device 10 using a thermite reaction according to an embodiment of the present invention can safely cut the object to be cut 100 using the thermite reaction utilizing the oxidation action of a safe metal.

Second, in the cutting device 10 using the thermite reaction according to the embodiment of the present invention, the reaction does not generally occur at a low temperature, and the thermite reaction is induced only at a high temperature of 1200° C. or more through the ignition unit 13 and the induction unit 14 . Therefore, it is possible to safely store the first reactant and the second reactant.

Third, the cutting device 10 using a thermite reaction according to an embodiment of the present invention can cut the object to be cut 100 at a high temperature of 2500 ~ 3000 ° C or higher through induction of the thermite reaction, so the cutting operation can be performed without noise and debris. can help you do it.

Fourth, since the cutting device 10 using the thermite reaction according to the embodiment of the present invention can be manufactured in a relatively small size, storage, transportation and utilization are convenient.

1 to 6 , the outer case 11 is disposed to surround the outside of the inner case 12 . The outer case 11 may be formed as a whole in the shape of a hollow cylinder, but this is exemplary and may be formed in another shape as long as it can be disposed outside the inner case 12 .

The outer case 11 may include an outer case body 110 , and an outer sealing member 111 .

The outer case body 110 functions as a main body of the outer case 11 . The outer case body 110 may be formed integrally with the outer sealing member 111 .

The external sealing member 111 surrounds the outside of the locking groove 10b to limit the movement of the cutting object 100 in the closed position CP. The outer sealing member 111 may extend from the outer case body 110 toward the insertion groove 10a.

Referring to FIG. 1 , an insertion groove 10a and a locking groove 10b are formed in the outer case 11 .

The cut object 100 is inserted into the insertion groove 10a. The insertion groove 10a may be formed through one side and the other side of the outer case body 110 . The insertion groove (10a) may be located in the middle of the outer case body (110). The middle portion may be a portion spaced apart from each other by the same distance from the upper and lower sides of the outer case body 110 . In the open position OP, the object to be cut 100 may be located in the insertion groove 10a.

The locking groove 10b communicates with the insertion groove 10a. The insertion groove 10a may be formed through one side and the other side of the outer case body 110 . In the closed position (CP), the cutting object 100 may be located in the locking groove (10b).

1 to 6 , the inner case 12 is disposed inside the outer case 11 . The inner case 12 may be formed as a whole in the shape of a hollow cylinder, but this is exemplary and may be formed in another shape as long as it can be disposed inside the outer case 11 .

Referring to FIG. 3 , an insertion groove 10a may be formed in the inner case 12 , and a receiving portion 120a (shown in FIG. 3 ) may be formed. The accommodating part 120a accommodates the first reactant and the second reactant for the thermite reaction. Thermite reaction is a generic term for a reaction in which metal oxide is deoxidized by aluminum and generates intense heat of reaction.

In an embodiment of the present invention, the first reactant may be iron oxide (Fe ₂ O ₃ ), and the second reactant may be aluminum (Al). Chemical formula of thermite reaction using the above substances is as follows.

ceremony

Fe ₂ O ₃ + 2A1 -> 2Fe + Al ₂ O ₃

In the above formula, the oxygen atom in iron moves to aluminum to become aluminum oxide and energy is released as a thermite reaction.

Referring to FIG. 1 , the inner case 12 may include an inner case body 120 and an inner sealing member 121 .

The inner case body 120 functions as a body of the inner case 12 . The inner case body 120 may be formed integrally with the inner sealing member 121 .

The inner sealing member 121 surrounds the outside of the locking groove 10b to limit the movement of the cutting object 100 in the closed position CP. The external sealing member 111 may seal the lower side of the object to be cut 100 at the closed position CP.

1 and 2 , the outer case 11 moves between the open position OP where the insertion groove 10a is opened and the closed position CP where the lock groove 10b is closed. ) can be placed outside the

In the open position OP, the insertion groove 10a may be opened. In the open position OP, as the outer sealing member 111 and the inner sealing member 121 are spaced apart from each other, the insertion groove 10a is opened, and the cutting object 100 is spaced apart from the cutting device 10 or the insertion groove. It can be moved to be inserted in (10a).

In the closed position CP, the locking groove 10b may be closed. Also, in the closed position CP, the insertion groove 10a may be closed. The object to be cut 100 may be inserted into each of the locking groove 10b of the outer case 11 and the insertion groove 10a of the inner case 12 at the closed position CP. That is, in the closed position CP, the locking groove 10b and the insertion groove 10a may communicate with each other. In the closed position CP, the outer sealing member 111 and the inner sealing member 121 are arranged to overlap each other, or the spaced apart space between the outer sealing member 111 and the inner sealing member 121 is the cutting object 100 It may be formed to be smaller than the size of . In the closed position CP, the outer sealing member 111 , the inner sealing member 121 , and the outer case body 110 may be arranged to surround the cutting object 100 to the outside. Accordingly, in the closed position (CP), the object to be cut 100 is inserted into the lock groove (10b) can be limited in movement.

In the above description, the outer case 11 is movably disposed with respect to the inner case 12 to move between the open position OP and the closed position CP, but the inner case 12 is not attached to the outer case 11 . It may be arranged movably with respect to, and both the inner case 12 and the outer case 11 may be arranged movably with respect to each.

Referring to FIG. 3 , the ignition unit 13 is accommodated in the inner case 12 , and heats the first reactant and the second reactant to cut the object to be cut 100 as a thermite reaction occurs. to perform the function of generating the thermite reaction. The ignition unit 13 may be accommodated in the receiving unit 120a.

The ignition unit 13 may include an ignition member 131 , a fuse line 132 , and a catalyst ribbon 133 .

A part of the ignition member 131 may be accommodated in the inner case 12 . The ignition member 131 may be connected to the fuse line 132 . An operation unit 131a operable by a user may be connected to the ignition member 131 . When the user pulls the manipulation unit 131a, the thermite reaction may be induced.

The fuse line 132 is connected to each of the ignition member 131 and the catalyst ribbon 133 . The fuse wire 132 may be connected to a heating wire 141 to be described later.

The catalyst ribbon 133 performs a function of accelerating the thermite reaction. The catalyst ribbon 133 is connected to the fuse line 132 . The catalyst ribbon 133 may include a magnesium (Mg) material.

4 and 5 , the induction unit 14 is accommodated in the inner case 12 and serves to induce the ignition unit 13 to apply heat to the first reactant and the second reactant. do. The induction part 14 may be accommodated in the receiving part 120a. Hereinafter, two embodiments of the induction unit 14 will be described.

Referring to FIG. 4 , the induction part 14 may include a heating wire 141 , a battery 142 , a conductive wire 143 , and a pressure release type operation sensor 144 .

The heating wire 141 performs a function of applying heat to the ignition unit 13 . The hot wire 141 may be connected to the fuse wire 132 . When the heating wire 141 applies heat to the fuse 132 and the fuse 132 sequentially applies heat to the first reactant and the second reactant, a thermite reaction may proceed. The hot wire 141 may be implemented as a nichrome wire.

The battery 142 performs a function of providing power to the heating wire 141 . When the battery 142 provides power to the heating wire 141 , the heating wire 141 may be heated.

The conductive wire 143 performs a function of electrically connecting the heating wire 141 , the battery 142 , and the pressure release type operation sensor 144 to each other.

The pressure release operation sensor 144 generates an operation signal to operate the battery 142 in the closed position (CP). The pressure release type actuation sensor 144 may generate an actuation signal when the inner case 12 is spaced apart from the outer case 11 in the process of moving from the open position OP to the closed position CP. Accordingly, the battery 142 may provide power to the heating wire 141 , and the heating wire 141 may heat the fuse 132 .

The pressure release type operation sensor 144 may generate an alarm sound when the inner case 12 is spaced apart from the outer case 11 in the process of moving from the open position OP to the closed position CP.

Referring to FIG. 5 , the induction part 14 may include a heating wire 141 , a battery 142 , a conductive wire 143 , a magnetic sensor 145 , and a separation wire 146 .

Since the heating wire 141 , the battery 142 , and the conductive wire 143 are approximately the same as those described in FIG. 4 , a detailed description thereof will be omitted.

The magnetic sensor 145 is connected to the heating wire 141 and the battery 142 . The magnetic sensor 145 includes a first magnet 1451 and a second magnet 1452 . The first magnet 1451 may have any one of an N pole and an S pole, and the second magnet 1452 may have a magnetic pole different from that of the first magnet 1451 .

When the first magnet 1451 and the second magnet 1452 are separated from each other at the closed position CP, the magnetic sensor 145 generates an operation signal for operating the battery 142 . The magnetic sensor 145 receives an operation signal when the first magnet 1451 and the second magnet 1452 are separated from each other while the inner case 12 moves from the open position OP to the closed position CP. can create Accordingly, the battery 142 may provide power to the heating wire 141 , and the heating wire 141 may heat the fuse 132 .

The magnetic sensor 145 generates an alarm when the first magnet 1451 and the second magnet 1452 are separated from each other while the inner case 12 moves from the open position OP to the closed position CP. You can also create

The separation line 146 functions to separate the first magnet 1451 and the second magnet 1452 from each other. The separation line 146 may be connected to each of the outer case 11 and the first magnet 1451 . Therefore, in the process of moving the inner case 12 from the open position (OP) to the closed position (CP), the separation line 146 is pulled, so that the first magnet 1451 and the second magnet 1452 are connected to each other. can be separated.

1 to 6 , the cutting device 10 using the thermite reaction according to the first embodiment of the present invention may further include a connection part 15 .

The connection part 15 is connected to the outer case 11 . The connecting portion 15 includes a connecting groove 15a into which a moving mechanism 150 (shown in FIG. 6 ) for moving the outer case 11 is inserted. The connection part 15 may protrude outward from the outer case 11 . The connection part 15 may be formed integrally with the outer case 11 .

2 and 6 , the moving mechanism 150 includes a first moving mechanism 150a and a second moving mechanism 150b. The first moving mechanism 150a may be inserted into the connection groove 15a. A part of the second moving mechanism 150b may be exposed to the outside.

The first moving mechanism 150a and the second moving mechanism 150b may be coupled to each other so as to be separated from each other in one direction. To this end, at least one of the first moving mechanism 150a and the second moving mechanism 150b may include a guide member 151 for guiding separation and coupling in one direction.

The guide member 151 may include a guide protruding member 1511 protruding from the inner surface of the moving mechanism 150 and extending in one direction, and a guide insertion groove 1512 into which the guide protruding member 1511 can be inserted. have.

6, the guide protruding member 1511 of the first moving mechanism 150a is inserted into the guide insertion groove 1512 of the second moving mechanism 150b, and thus the guide member 151 is the first The first moving mechanism 150a and the second moving mechanism 150b may be separated and coupled in one direction.

Hereinafter, a cutting device 20 using a thermite reaction according to a second embodiment of the present invention will be described with reference to the accompanying drawings.

7 to 9, the cutting device 20 using thermite reaction according to the second embodiment of the present invention has an outer case 21, an inner case 22, a fastening part 23, a cover 24, and a cover 25 . In the cutting device 20 using thermite reaction according to the second embodiment of the present invention, the outer case 21 , the inner case 22 , the insertion groove 20a , and the locking groove 20b are previously described in the first embodiment Since the implementation is approximately the same as described above, the differences will be mainly described below.

The inner case 22 may include a carbon steel material. Specifically, the inner case 22 may include a carbon steel material for high-pressure piping. Accordingly, the inner case 22 includes a heat-resistant material resistant to heat generated in the course of the thermite reaction, thereby improving the stability of the reaction.

7 and 8 , the fastening part 23 may include a ball plunger fastening hole 231 , a ball plunger 232 , and a ball plunger fixing groove 233 .

The ball plunger fastening hole 231 is formed in the inner case 22 . The ball plunger fastening hole 231 may be formed through the outer and inner surfaces of the inner case 22 . A plurality of ball plunger fastening holes 231 may be formed along the circumferential direction of the inner case 22 .

The ball plunger 232 is inserted into the ball plunger fastening hole 231 . A plurality of threads may be formed on the outer surface of the ball plunger 232 . An elastically movable ball may be disposed at an end of the ball plunger 232 . An end of the ball plunger 232 may be disposed toward the outer case 21 .

The ball plunger fixing groove 233 is formed in the outer case 21 . The ball plunger fixing groove 233 may be formed on the inner surface of the outer case 21 along the circumferential direction of the outer case 21 . The ball plunger 232 may be inserted into the ball plunger fixing groove 233 . That is, the ball plunger 232 may be inserted into each of the ball plunger fastening hole 231 and the ball plunger fixing groove 233 .

Referring to FIG. 7 , the cover 24 is coupled to the inner case 22 so as to cover a portion of the outside of the insertion groove 20a. The cover 24 may be coupled to the inner case 22 so as to surround a portion of the outer side of the object to be cut 100 inserted into the insertion groove 20a in the open position OP.

The cover 24 may include a thermoplastic material. Accordingly, in the cutting device 20 using thermite reaction according to an embodiment of the present invention, as the cover 24 contains a material weak to heat, the cutting object 100 inserted into the insertion groove 20a can be easily melted. can be implemented.

Referring to FIG. 8( a ), a portion of the inner case body 220 disposed on the outside of the cover 24 may include an iron plate material, so that strength may be reinforced.

Referring to FIG. 7 , the cover 25 may cover the upper portion of the inner case 22 . A plurality of threads may be formed on the inner surface of the inner case 22 into which the cover 25 is inserted along the circumferential direction of the inner case 22 .

A bolting member may be coupled to the cover 25 . A plurality of bolting members may be coupled to the cover.

Referring to FIG. 9 , the cutting device using the thermite reaction according to the second embodiment of the present invention may be implemented in a structure in which the outer case 21 is prevented from rotating with respect to the inner case 22 . To this end, the outer case 21 and the inner case 22 may include the following configuration.

The outer case 21 may include a protruding member 21a. The protruding member 21a may be coupled to the outer case body so as to protrude toward the inner case 22 . The protruding member 21a may be integrally formed with the outer case body. A plurality of protruding members 21a may protrude from the inner surface of the outer case 21 along the circumferential direction of the outer case 21 .

The inner case 22 may include a prevention groove 22a. The protrusion member 21a is inserted into the prevention groove 22a. The prevention groove 22a may be formed by machining a groove having a predetermined depth from the outer surface of the inner case 22 . The inner case 22 may include the same number of prevention grooves 22a as the protruding member 21a.

In the above description, the outer case 21 includes the protruding member 21a and the inner case 22 includes the preventing groove 22a, but the outer case 21 includes the preventing groove 22a. And, the inner case 22 may include a protruding member (21a).

Hereinafter, a cutting device 30 using a thermite reaction according to a third embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to FIG. 10 , the cutting device 30 using thermite reaction according to the third embodiment of the present invention includes an outer case 31 , an inner case 32 , a cover 33 , and a cover 34 . . In the cutting device 30 using thermite reaction according to the third embodiment of the present invention, the outer case 31, the inner case 32, the cover 33, the cover 34, the insertion groove 30a, the lock groove Since (30b) is implemented substantially the same as described in the first and second embodiments, hereinafter, differences will be mainly described.

The outer case 31 and the inner case 32 may include a carbon steel material. Accordingly, the cutting device 30 using the thermite reaction according to the embodiment of the present invention includes both the outer case 31 and the inner case 32 a heat-resistant material resistant to heat generated in the process of the thermite reaction, The stability to the reaction can be further improved.

Hereinafter, a cutting device 40 using a thermite reaction according to a fourth embodiment of the present invention will be described with reference to the accompanying drawings.

11 to 16, the cutting device 40 using the thermite reaction according to the fourth embodiment of the present invention has an outer case 41, an inner case 42, a cover 43, a cover 44, It includes a shielding member 45 , a connector 46 , and a connection part 47 . In the cutting device 40 using thermite reaction according to the fourth embodiment of the present invention, the outer case 41, the inner case 42, the cover 43, the cover 44, the connection part 47, the insertion groove ( 40a) and the locking grooves 40b are implemented in substantially the same way as those described in the first to third embodiments, and therefore, the differences will be mainly described below.

12, the shielding member 45 is coupled to the inner case 42 so as to surround the outside of the cutting object 100 inserted into the insertion groove 40a, the outer part of the cutting object 100 to the outside can be exposed as That is, the shielding member 45 may include an exposure hole 45a as shown in FIG. 12 . Accordingly, a portion of the object to be cut 100 in contact with air by the shielding member 45 may be reduced.

When the cutting device 40 using thermite reaction according to the fourth embodiment of the present invention includes the cover 43 , the shielding member 45 is coupled to the cover 43 so as to surround the outer part of the cover 43 . However, a portion of the outside of the cover 43 may be exposed to the outside. Even in this case, the portion of the cover 43 in contact with the air by the shielding member 45 may be reduced.

11 to 15 , the connecting portion 47 includes a connecting groove 47a into which the moving mechanism 470 is inserted and a guide groove 47b into which the protruding mechanism 471 protruding from the outer surface of the moving mechanism 470 is inserted. ) is included.

The guide groove 47b may extend in at least two directions. Accordingly, the cutting device 40 using thermite reaction according to the embodiment of the present invention is implemented in a structure that must be moved in at least two directions in order to separate the moving mechanism 470 from the connection portion (47). 13 shows that the guide groove 47b extends in three directions. The guide groove 47b may communicate with the connection groove 47a.

14 and 15 , in a state in which the protrusion mechanism 471 is inserted into the guide groove 47b , the movement mechanism 470 can be fixed to the connection part 47 , so that by the operation of the movement mechanism 470 , The outer case 41 may be moved between the open position OP and the closed position CP.

Here, the protrusion mechanism 471 may be composed of a bolt, and is fixed by fastening a nut during storage, and may be moved by removing the nut when in use.

11 and 16 , the connector 46 is electrically connected to the ignition unit. The fourth embodiment differs from the previous embodiments in that it is implemented in a structure of an external ignition system in an internal power source ignition system. That is, the connector 46 passes through the connection groove 47a and the inside of the moving mechanism 470 in a state in which it is connected to the ignition unit so that the cord 460 (shown in FIG. 11 ) connected to the connector 46 is exposed to the outside. can Accordingly, the thermite reaction is induced through the connector 46 through the external ignition method, and then the moving mechanism 470 is separated from the connection part 47 to end the operation of cutting the object to be cut 100 .

A person of ordinary skill in the art related to this embodiment will understand that it can be implemented in a modified form without departing from the essential characteristics of the above description. Therefore, the disclosed methods are to be considered in an illustrative rather than a restrictive sense. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

10: cutting device

Claims (20)

an inner case in which an accommodating part for accommodating the first and second reactants for the thermite reaction is formed and an insertion groove into which a cut object is inserted;
an outer case surrounding at least a portion of the outer side of the inner case and having the insertion groove and a locking groove communicating with the insertion groove;
an ignition unit accommodated in the inner case and generating the thermite reaction by applying heat to the first reactant and the second reactant to cut the object to be cut as the thermite reaction occurs;
an induction part accommodated in the inner case and guiding the ignition part to apply heat to the first reactant and the second reactant;
Cutting device using thermite reaction, characterized in that it comprises a cover coupled to the inner case so as to surround a portion of the outer side of the cutting object inserted into the insertion groove. The method of claim 1,
The outer case is a cutting device using thermite reaction, characterized in that it is disposed outside the inner case so as to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed. 3. The method of claim 2,
The outer case includes an outer sealing member surrounding the outer side of the locking groove to limit the movement of the cutting object in the closed position,
The inner case is a cutting device using thermite reaction, characterized in that it includes an inner sealing member surrounding the outer side of the locking groove to limit the movement of the object to be cut in the closed position. According to claim 1,
The ignition unit comprises a catalyst ribbon for accelerating the thermite reaction, a fuse line connected to the catalyst ribbon to apply heat to the first reactant and the second reactant material, and an ignition member connected to the fuse line. Cutting device using reaction. The method of claim 1,
The induction part is a cutting device using thermite reaction, characterized in that it comprises a hot wire for applying heat to the ignition part, and a battery for providing power to the hot wire. 6. The method of claim 5,
The outer case is disposed outside the inner case so as to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed,
The induction part is a cutting device using thermite reaction, characterized in that it further comprises a pressure release operation sensor for generating an operation signal to operate the battery in the closed position. 7. The method of claim 6,
The outer case is disposed outside the inner case so as to move between an open position in which the insertion groove is opened and a closed position in which the locking groove is closed,
The induction part includes a magnetic sensor having a first magnet and a second magnet connected to the heating wire and the battery,
The magnetic sensor is a cutting device using thermite reaction, characterized in that for generating an operation signal to operate the battery when the first magnet and the second magnet are separated from each other in the closed position. The method of claim 1,
The cutting device using thermite reaction, characterized in that it further comprises; connected to the outer case, the connecting portion having a connecting groove into which a moving mechanism for moving the outer case is inserted. 9. The method of claim 8,
The moving mechanism includes a first moving mechanism and a second moving mechanism coupled to be separable from each other in one direction,
At least one of the first moving mechanism and the second moving mechanism is a cutting device using thermite reaction, characterized in that it comprises a guide member for guiding the separation and coupling in one direction. The method of claim 1,
A ball plunger fastening hole formed in the inner case, a ball plunger inserted into the ball plunger fastening hole, and a fastening part formed in the outer case and including a ball plunger fixing groove into which the ball plunger is inserted; A cutting device using thermite reaction. delete The method of claim 1,
The cover is a cutting device using thermite reaction, characterized in that it comprises a thermoplastic material. The method of claim 1,
Cutting device using thermite reaction, characterized in that it further comprises; a cover for covering the upper portion of the inner case. According to claim 1,
The outer case includes a protruding member protruding toward the inner case,
The inner case includes a preventing groove into which the protruding member is inserted,
The protruding member is inserted into the prevention groove to prevent rotation of the inner case with respect to the outer case, a cutting device using thermite reaction. According to claim 1,
The inner case is a cutting device using thermite reaction, characterized in that it comprises a carbon steel material. According to claim 1,
The outer case and the inner case are a cutting device using thermite reaction, characterized in that it comprises a carbon steel material. According to claim 1,
Further comprising; a connection part connected to the outer case and having a connecting groove into which a moving mechanism for moving the outer case is inserted;
The connecting portion includes a guide groove into which the protruding mechanism protruding from the outer surface of the moving mechanism is inserted,
The guide groove is a cutting device using thermite reaction, characterized in that extending in at least two directions. The method of claim 1,
A cutting device using thermite reaction, characterized in that it further comprises; a connector electrically connected to the ignition unit. 19. The method of claim 18,
Further comprising; a connection part connected to the outer case and having a connecting groove into which a moving mechanism for moving the outer case is inserted;
The connector is a cutting device using thermite reaction, characterized in that it is arranged to pass through the connection groove. According to claim 1,
Doedoe coupled to the inner case so as to surround the outside of the cutting target inserted into the insertion groove, a shielding member exposing a portion of the outside of the cutting target to the outside; Cutting device using thermite reaction, characterized in that it further comprises .

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