KR101274134B1 - Seperation device using a wire - Google Patents

Abstract

PURPOSE: A separating device using a wire is provided to apply configuration of a ball, physical properties of a wire, dimensional change by easily changing according to a field for applying and the size of the product for applying. CONSTITUTION: A separating device using a wire comprises a ball(110), a wire(120), a cutting member, a connection rod(130), and a housing. The connection rod includes a head(132) connecting to a plurality of balls connected by the wire. The connection rod delivers preload to the balls. The housing accommodates the balls connected by the wire. The housing has an available space in which the balls can move by cutting of the wire.

Description

Separation device using wire {SEPERATION DEVICE USING A WIRE}

The present invention relates to a separation apparatus using a wire, and more particularly, by cutting a part of the wire by applying electric power to the wire while fixing the position of the members using the wire, thereby non-explosive separation of the members. An executable separation device is provided.

Conventionally, explosive separation methods have been studied in order to rapidly perform the separation operation by means of separating two coupling members mechanically coupled to each other.

In this connection, Japanese Patent Laid-Open Publication No. 1994-004227 discloses an explosion bolt as a means for separating two coupling members, in which a gunpowder explosion by an electrical signal is filled in the body of the bolt, And the release of the bolt and the release of the bolt are performed by the explosive force of the explosive charged in the bolt upon demand.

However, in the case of such an explosion-proof separator, defects or damage may occur to the member due to the explosion, which may lower the reliability of the separating operation, and since the separator must be constructed by applying materials such as explosives, There is a drawback that it becomes complicated.

Patent Disclosure 1994-004227 (National Defense Science Institute) 1994. 3. 14.

An object of the present invention is to provide a separation device using a wire that can be improved in the reliability of the separation function while significantly reducing the manufacturing cost due to the simple structure.

Separation device using a wire according to an embodiment of the present invention for achieving the above object, a plurality of balls having a through hole penetrating therein; A wire connecting the plurality of balls through the through holes of the balls; Cutting means for cutting the wire; A connecting rod having a head in contact with the plurality of balls connected by the wires and transferring a preload to the plurality of balls; And a housing accommodating a plurality of balls connected by the wire and having a free space in which the plurality of balls can move by cutting the wire.

The cutting means may include a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity.

The separation device has a first hole and a second hole through which the wire passes, and a relatively small number of wire strands pass through the first hole, and the electrode is connected to the first hole in communication with the first hole. It may further include a separation member having a pair of electrode connection holes.

The housing consists of an assembly in which two or more components are joined, and the assembly can be fixed by a fixing plate.

The wire may be formed into a closed curve by winding a plurality of wire strands so as to enhance rigidity, or may have a shape in which wire strands are twisted.

Separation device using a wire according to another embodiment of the present invention, a plurality of balls having a through hole penetrating therein; A connecting string connecting a plurality of balls through the through holes of the balls; Separation member having a coupling hole at both ends through which the connecting string passes, the length of the separation member can be changed by the tensile force; A wire wound along an outer circumferential surface of the separation member; Cutting means for cutting the wire; A connecting rod having a head in contact with the plurality of balls connected by the connecting string and transferring a preload to the plurality of balls; And a housing accommodating a plurality of balls connected by the connecting string and having a free space in which the plurality of balls can move by cutting the wire.

The cutting means may include a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity.

Separation device using a wire according to another embodiment of the present invention, a plurality of balls having a through hole penetrating therein; A connecting string connecting a plurality of balls through the through holes of the balls; A fixing ball having one end of the connecting strap fixed thereto, the separation member radially detachable; A wire wound along an outer circumferential surface of the separation member; Cutting means for cutting the wire; A connecting rod having a head in contact with the plurality of balls connected by the connecting string and transferring a preload to the plurality of balls; And a housing accommodating a plurality of balls connected by the connecting string and having a free space in which the plurality of balls can move by cutting the wire.

The separating device may further include a tension adjusting means for adjusting the tension of the connecting string connecting the plurality of balls.

The separating device may further include a guide member for guiding a moving path of the connecting strap connected to the fixing ball of the separating member and the tension adjusting means.

The cutting means may include a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity.

Separation device using a wire of the present invention, the structure is simple, can significantly reduce the manufacturing cost, there is an effect that can improve the reliability of the separation function.

In addition, the separation device using the wire of the present invention, there is an effect that can be easily modified and applied to the configuration of the ball and the physical properties of the wire, the dimensional change, etc. according to the application field and the size of the article to be applied.

1 is an exploded perspective view of a separation device using a wire according to an embodiment of the present invention.
2 is a cross-sectional view of the separating device using the wire shown in FIG.
3 is a cross-sectional view of the ball and the wire cut along the line AA of FIG. 2.
4A, 4B and 4C are diagrams showing the form of a wire.
5 is a perspective view showing a separating member according to an embodiment of the present invention.
6 is a cross-sectional view of FIG. 5.
7A and 7B are perspective views illustrating a separating member according to another embodiment of the present invention.
8 is a perspective view of a separation device using a wire according to another embodiment of the present invention.
9A and 9B are perspective views illustrating the separating member of FIG. 8.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the separation device using a wire according to a preferred embodiment of the present invention.

1 is an exploded perspective view of a separation device using a wire according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the separation device using a wire shown in FIG. 3 is a cross-sectional view of the ball and the wire cut along the line A-A of FIG.

1 to 3, the separation device 100 of the present invention includes a plurality of balls 110, a wire 120, a connecting rod 130, a housing 140, and a cutting means 150.

The plurality of balls 110 have a through hole 112 penetrating therein, and the plurality of balls 110 are connected by a wire 120 passing through the through hole 112.

The connecting rod 130 has a head 132 in contact with the plurality of balls 110 connected by the wire 120, and transmits a preload to the plurality of balls 110. The first member (not shown) connected to the housing 140 and the second member (not shown) connected to the connecting rod 130 may be temporarily coupled by the separation device 100 of the present invention. Also, as shown in FIG. 2, the preload is transmitted to the ball 110 through the head 132 in a state in which the head 132 and the ball 110 of the connecting rod 130 are in contact with each other. The ball 110 remains connected without being separated.

The housing 140 accommodates the plurality of balls 110 connected by the wire 120, and has a free space in which the plurality of balls 110 can move by cutting the wire 120.

When the wire 120 is cut by the cutting means 150, as shown in FIG. 3, the plurality of balls 110 are radially separated and moved under the influence of the preload. Here, the housing 140 has a free space for accommodating the ball 110 to be separated and move as shown in Figure 2, by moving the plurality of balls 110 without releasing the plurality of balls 110 to the outside. The limited head 132 and the connecting rod 130 is separated from the housing 140.

As a result, the first member connected to the housing 140 and the second member connected to the connecting rod 130 may be separated. That is, the first member and the second member may be separated by a simple operation of cutting the wire 120 connecting the ball 110 to which the preload has been transmitted.

In addition, the housing 140 may be composed of an assembly in which two or more parts 140a and 140b are coupled to facilitate separation and assembly, and the fixing plate 160 may be additionally applied to fix the assembly. have.

The cutting means 150 cuts the wire 120. In one embodiment of the present invention, the cutting means 150 may be formed of a power device for cutting the wire 120 by connecting a pair of electrodes to the wire 120 to apply electricity. To this end, the wire 120 may be made of a material that can be easily broken when electricity is applied, and may be made of, for example, nichrome wire, fuse wire, or shape memory alloy (SMA).

4A, 4B and 4C are diagrams showing the form of a wire.

In FIG. 4A, the wire is made of one wire strand, and the wire of FIG. 4B forms a closed curve while the wire strand is wound in plural to reinforce rigidity. In addition, the wire of Figure 4c is also made of twisted wire strands to enhance the rigidity. The wires of FIGS. 4A, 4B and 4C may be appropriately applied to the wire 120 of the separation device 100 in consideration of the field of use and the size of the product.

5 is a perspective view showing a separating member according to an embodiment of the present invention, Figure 6 is a cross-sectional view of Figure 5, showing a state in which two separating members are applied.

5 and 6, the separating member 170 has a first hole 172 and a second hole 174 through which the wire 120 penetrates, and a second hole in the first hole 172. Relatively few wire strands pass through 174, and have a pair of electrode connection holes 176a and 176b that communicate with the first hole 172 to connect the electrodes.

A pair of electrodes may be connected through the electrode connection holes 176a and 176b of the separation member 170, and the wire 120 passes through the first hole 172 by applying electricity from the power device 150. Can be cut. That is, the separating member 170 may connect the plurality of balls 110 while maintaining the rigidity by passing the wire strands wound several times through the second hole 174, and a relatively small number of wires may be connected to the first hole ( By passing through the 172, by applying electricity to the wire strand passing through the first hole 172, the cutting operation of the wire 120 can be easily performed.

Although one separating member 170 is connected in FIG. 5 and two separating members 170 are connected in FIG. 6, the number of separating members 170 used is not limited thereto.

7A and 7B are perspective views illustrating a separating member according to another embodiment of the present invention.

Referring to FIGS. 7A and 7B, a through hole is formed in the plurality of balls 210, and a connection string 280 connects the plurality of balls 210 through the through holes. In addition, the connecting string 280 is connected to the coupling holes 272a and 272b formed at both ends of the separating member 270.

The wire 220 is wound around the outer circumferential surface of the separating member 270, and the power device 250 is connected to one end of the wire 220. Meanwhile, the plurality of balls 210 are pre-loaded by the head 132 of the connecting rod 130 as illustrated in FIG. 2, and thus, the wires 220 may be applied by the electric device 250. When is cut off, the separating member 270 is separated into two members 270a and 270b in the direction of the arrow as shown in Fig. 7B. As a result, the connection of the plurality of balls 210 that are restricted by the connection string 280 is dismantled.

8 is a perspective view of a detaching apparatus using a wire according to another embodiment of the present invention, and FIGS. 9A and 9B are perspective views illustrating the detaching member of FIG. 8.

Referring to FIG. 8, the separating device of the present invention includes a plurality of balls 310, wires 320, connecting rods 330, housing 340, cutting means 350, a separating member 370, and a connecting string ( 380).

The plurality of balls 310 has a through hole therein, and the connection string 380 connects the plurality of balls 310 through the through holes. Here, one end of the connecting strap 380 may be connected to the fixing ball 372 of the separating member 370, and the other end of the connecting strap 380 may be connected to the tension adjusting means 374. The tension adjusting means 374 may tighten the connection string 380 connecting the plurality of balls 310 in a loose state, and adjust the tension of the connection string 380 so as to be loose in a taut state.

The wire 320 is wound around the outer circumferential surface of the separating member 370, and when the electricity is applied by the power device 350, the wire 320 may be cut. When the wire 320 is cut, the body of the separation member 370 is radially separated into two, the fixing ball 372 lying on the top is lowered, and thus, connected to the fixing ball 372 As the connection string 380 was loosened, the plurality of balls 310 can also move in the housing 340b. On the other hand, once the wire 320 is cut, even if the body of the separating member 320 is separated, another wire is wound again, after placing the fixing ball 372 on the top, connected through the tension adjusting means 374 By adjusting the tension of the string 380, the separating member 370 can be reused.

The connecting rod 330 has a head 332 in contact with the plurality of balls 310 connected by the connecting string 380, and transmits a preload to the plurality of balls 310 through the head 332. Therefore, when the connecting string 380 is loosened as the wire 320 is cut, the plurality of balls 310 are moved in the housing 340 due to the influence of the preload transmitted to the plurality of balls 310. The connecting rod 330 is separated from the plurality of balls 310 and separated from the housing 340.

In one embodiment of the present invention, the separating device 300 is a guide member for guiding the movement path of the connecting strap 380 connected to the fixing ball 372 and the tension adjusting means 374 of the separating member 370 ( It may further include a 390, the guide member 390 is also received in the housing 340.

As described above, since the separating device 300 of the present invention can separate the connecting rod 330 from the housing 340 by a simple operation of cutting the wire 320, it is easy to separate the two members that were joined. Can also improve the reliability of the separation operation.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Of course.

100, 300: separation device
110, 210, 310: ball
112: through hole
120, 220, 320: wire
130, 330: connecting rod
132, 332: head
140, 340: housing
150, 250, 350: cutting means or power devices
160: fixed plate
170, 270, 370: Separation member
172: first hall
174: second hall
176a, 176b: electrode connection hole
272a, 272b: engagement hole
280, 380: connecting string
372: fixed ball
374: tension adjusting means
390: guide member

Claims (11)

A plurality of balls having through holes penetrating therein;
A wire connecting the plurality of balls through the through holes of the balls;
Cutting means for cutting the wire;
A connecting rod having a head in contact with the plurality of balls connected by the wires and transferring a preload to the plurality of balls; And
And a housing accommodating a plurality of balls connected by the wire and having a free space in which the plurality of balls can move by cutting the wire. The separation device according to claim 1, wherein the cutting means is a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity. The wire of claim 1, wherein the wire has a first hole and a second hole through which the wire passes, and a relatively small number of wire strands pass through the first hole, and the electrode is connected in communication with the first hole. Separating device using a wire, characterized in that it further comprises a separating member having a pair of electrode connecting holes. 2. The device of claim 1, wherein the housing consists of an assembly in which two or more components are joined, and the assembly is fixed by a fixing plate. According to claim 1, wherein the wire is separated by a plurality of wire strands to reinforce the rigidity to form a closed curve, or the separation device using a wire, characterized in that the wire strands are made in a twisted form. A plurality of balls having through holes penetrating therein;
A connecting string connecting a plurality of balls through the through holes of the balls;
Separation member having a coupling hole at both ends through which the connecting string passes, the length of the separation member can be changed by the tensile force;
A wire wound along an outer circumferential surface of the separation member;
Cutting means for cutting the wire;
A connecting rod having a head in contact with the plurality of balls connected by the connecting string and transferring a preload to the plurality of balls; And
And a housing accommodating a plurality of balls connected by the connecting string and having a free space in which the plurality of balls can move by cutting the wire. The separation device using wire according to claim 6, wherein the cutting means is a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity. A plurality of balls having through holes penetrating therein;
A connecting string connecting a plurality of balls through the through holes of the balls;
A fixing ball having one end of the connecting strap fixed thereto, the separation member radially detachable;
A wire wound along an outer circumferential surface of the separation member;
Cutting means for cutting the wire;
A connecting rod having a head in contact with the plurality of balls connected by the connecting string and transferring a preload to the plurality of balls; And
And a housing accommodating a plurality of balls connected by the connecting string and having a free space in which the plurality of balls can move by cutting the wire. According to claim 8, Separation device using a wire further comprises a tension control means for adjusting the tension of the connecting string for connecting the plurality of balls. 10. The apparatus of claim 9, further comprising a guide member for guiding a moving path of a connecting ball connected to the fixing ball of the separating member and the tension adjusting means. 9. The separation device according to claim 8, wherein the cutting means is a power device that cuts the wire by connecting a pair of electrodes to the wire and applying electricity.

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