CN111482533A - Split type cable separation device for secondary detonating device - Google Patents
Split type cable separation device for secondary detonating device Download PDFInfo
- Publication number
- CN111482533A CN111482533A CN202010160060.5A CN202010160060A CN111482533A CN 111482533 A CN111482533 A CN 111482533A CN 202010160060 A CN202010160060 A CN 202010160060A CN 111482533 A CN111482533 A CN 111482533A
- Authority
- CN
- China
- Prior art keywords
- shell
- cable
- gunpowder
- annular cutter
- split
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a split type cable separation device for a secondary detonating device, wherein two rectangular openings are processed at the upper part of a shell, and a cable is placed in the rectangular openings and sealed by a chopping block; the annular cutter is arranged in the shell, and gunpowder is used as power of the annular cutter, so that the cable can be safely and effectively cut off, and the problems of welding safety and cable reliability do not exist; the split type device has the advantages of simple operation and flexible use, and can cut off a plurality of wires at one time.
Description
Technical Field
The invention belongs to the technical field of separation of shrapnel moving at a high speed, and particularly relates to a split type cable separation device for a secondary detonating device.
Background
The primary bomb moves to a certain height above a target at high speed, a cable connected with the secondary detonating device and the primary bomb is cut off and separated at high speed by the separating device, the secondary detonating device is thrown out from the side and connected with the primary bomb through a rope to reach a common falling speed, the primary bomb scatters fuel at a position close to the ground to form a fuel air explosive cloud cluster, and after a certain time delay, the secondary detonating device is coupled with the cloud cluster to detonate the cloud cluster to form a shock wave to destroy the target. Therefore, in order to smoothly throw out the secondary detonating device, how to rapidly cut off the cable connected with the secondary detonating device and the mother bomb and the development of the cutting and separating device become an important problem.
At present, the space reserved for the cable high-speed separation device in various bullets at home and abroad is very limited, the existing cable high-speed separation device is small in size and is a closed rectangular opening with two (high-temperature small-section conducting wires with the diameter of 0.15 mm)2) The lead can not pass through after being welded on the connector, and can not be normally used. Therefore, the cable is required to be incapable of welding the connector when leaving a factory, and only in the missile assembly site, the lead is penetrated through the notch and then welded, a large number of dangerous articles are arranged in the assembly site, the electric soldering iron welding brings great potential safety hazards, and meanwhile, the reliability of the connector welded on the site cannot be guaranteed.
Disclosure of Invention
In view of the above, the present invention is to provide a split cable separation device for a secondary detonation device, which can safely and effectively cut off a cable and avoid the problems of welding safety and cable reliability
A split type cable separation device for a secondary detonation device comprises a sealant (2), a semiconductor bridge (3), gunpowder (4), a shell (5), an annular cutter (6), a sealing ring (7), a gasket (9) and a chopping block (10);
the shell (5) is a cylinder, a flange with a hole in the middle is integrally processed at the lower end of the shell, two opposite rectangular openings penetrating through the upper end face are axially formed in the upper part of the shell, and external threads are formed in the upper part of the shell;
gunpowder (4) is arranged at the lower part of an inner hole of the shell (5); the semiconductor bridge (3) is arranged in the gunpowder (4);
one end of the ignition wire (1) is left outside the shell (5), and the other end of the ignition wire penetrates into the shell (5) through a middle hole of a flange of the shell (5), is welded on the semiconductor bridge (3) and supplies power to the semiconductor bridge; the middle hole of the flange is sealed by sealant (2);
the annular cutter (6) is arranged at the upper end of the gunpowder (4); the annular cutter (6) is in a solid cylinder shape, and an annular conical blind hole is processed inwards from the edge of the upper end face, so that an annular notch is formed on the upper end face; a sealing ring (7) is arranged in a sealing groove on the outer circumference of the annular cutter (6);
the chopping block (10) is a hollow cylinder with an opening at one end and a sealed end, and is provided with an internal thread which can be matched with the external thread of the shell (5); the chopping board (10) can be connected with the shell (5) through threads; the pad (9) is arranged on the inner side of the closed end of the chopping block (10).
Preferably, the material of the shell (2) is steel.
Preferably, the wall thickness of the housing (2) is 2 mm.
Preferably, the gunpowder (4) is 30mg of No. 5 ignition powder and 50mg of black powder.
Preferably, the sealant (2) is epoxy resin glue.
Preferably, the annular cutter (6) is made of stainless steel, and the thickness of the knife edge wall is 1 mm;
preferably, after the housing (5) is connected with the housing (10), two opposite rectangular openings on the housing (5) form a rectangular cable cut (8) with the size of 8mm × 14 mm.
Preferably, the input energy of the ignition wire (1) is as follows: the current magnitude is at least 5A and the duration is at least 50mS.
The invention has the following beneficial effects:
according to the split type cable separation device for the secondary detonation device, two rectangular openings are processed at the upper part of the shell, and a cable is placed in the rectangular openings and sealed by a chopping block; the annular cutter is arranged in the shell, and gunpowder is used as power of the annular cutter, so that the cable can be safely and effectively cut off, and the problems of welding safety and cable reliability do not exist; the split type device has the advantages of simple operation and flexible use, and can cut off a plurality of wires at one time.
Drawings
FIG. 1 is a schematic view of the overall structure of the separation apparatus of the present invention.
FIG. 2 is a top view of the separation device of the present invention.
Fig. 3 is a front view of the housing of the present invention.
Figure 4 is a front view of the anvil of the present invention.
The device comprises an ignition wire 1, a sealant 2, a semiconductor bridge 3, gunpowder 4, a shell 5, a ring-shaped cutter 6, a sealing ring 7, a rectangular cable notch 8, a gasket 9 and a chopping block 10.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in fig. 1 to 4, the split cable separation device for the secondary detonation device comprises an ignition wire 1, a sealant 2, a semiconductor bridge 3, gunpowder 4, a shell 5, an annular cutter 6, a sealing ring 7, a gasket 9 and a chopping board 10.
Wherein, casing 5 is the steel cylinder, and lower extreme integrated into one piece has the foraminiferous rectangle flange in middle of, and upper portion is opened along the axial has two relative rectangle openings that run through to the up end, and upper portion has the external screw thread.
The gunpowder 4 is arranged at the lower part of the inner hole of the shell 5; the semiconductor bridge 3 is arranged in the gunpowder 4;
one end of the ignition wire 1 is left outside the shell 5, and the other end of the ignition wire penetrates into the shell 5 through a middle hole of a rectangular flange of the shell 5, is welded on the semiconductor bridge 3 and supplies power to the semiconductor bridge; the middle hole of the rectangular flange is sealed by a sealant 2;
the annular cutter 6 is arranged at the upper end of the gunpowder 4; the annular cutter 6 is in a solid cylinder shape, and an annular conical blind hole is processed inwards from the edge on the upper end face, so that an annular notch is formed on the upper end face; a sealing ring 7 is arranged in a sealing groove on the outer circumference of the annular cutter 6 and used for increasing the sealing property between the annular cutter 6 and the shell 5;
the gasket 9 is arranged on the inner side of the closed end of the chopping board 10, the chopping board 10 is a hollow cylinder with one open end and one sealed end, and is provided with an internal thread which can be matched with the external thread of the shell 5; the spacer 9 is screwed to the housing 5 to form a rectangular cable cut 8.
The wall thickness of the shell 2 is 2 mm.
The gunpowder 4 is 30mg of No. 5 ignition powder and 50mg of black powder;
the sealant 2 is epoxy resin adhesive;
the annular cutter 6 is made of stainless steel, and the side wall thickness is 1 mm;
the size of the rectangular cable cut 8 is 8mm × 14 mm;
the input energy of the ignition wire 1 is as follows: the current is more than or equal to 5A, and the time is more than or equal to 50mS.
The working principle of the separating device of the invention is as follows: welding the output end of the ignition wire 1 and the semiconductor bridge 3 together, enabling the input end of the ignition wire 1 to penetrate through a small hole in the middle of a flange of the shell 5, enabling the semiconductor bridge 3 to be located at 1/3, close to the flange, in the shell 5, sealing and fixing the ignition wire 1 at the flange of the shell 5 by using the sealant 2, and sequentially filling 30mg of No. 5 ignition powder and 50mg of black powder into the shell 5; a sealing ring 7 is sleeved on an annular cutter 6, the annular cutter is loaded from one end of a rectangular opening of a shell 5, the lower end face of the annular cutter 6 is closely contacted with gunpowder 4, a cut cable is put into the rectangular opening from the two rectangular openings at the upper end of the shell 5 until the cut cable is put into a rectangular cable cut 8, a gasket 9 is arranged in an inner hole of a chopping board 10, and the chopping board 10 is connected with the shell 5 in place through threads; two small holes on the flange of the shell 5 are fixed by screws to fix the separating device.
When energy (the current is more than or equal to 5A and the time is more than or equal to 50 mS) is supplied to the input end of the ignition wire 1, the semiconductor bridge 3 can ignite gunpowder to generate gas to push the annular cutter 6 to rush upwards, the annular cutter 6 cuts off a transverse cable, the gasket 9 in the chopping board 10 plays a role in buffering, and finally the annular cutter 6 is prevented from rushing out of the shell 5. For a maximum of 20 wires (diameter 0.15 mm) of the separating device2High temperature small cross section wire) to realize the function of separating the cable.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A split type cable separation device for a secondary detonating device is characterized by comprising a sealant (2), a semiconductor bridge (3), gunpowder (4), a shell (5), an annular cutter (6), a sealing ring (7), a gasket (9) and a chopping block (10);
the shell (5) is a cylinder, a flange with a hole in the middle is integrally processed at the lower end of the shell, two opposite rectangular openings penetrating through the upper end face are axially formed in the upper part of the shell, and external threads are formed in the upper part of the shell;
gunpowder (4) is arranged at the lower part of an inner hole of the shell (5); the semiconductor bridge (3) is arranged in the gunpowder (4);
one end of the ignition wire (1) is left outside the shell (5), and the other end of the ignition wire penetrates into the shell (5) through a middle hole of a flange of the shell (5), is welded on the semiconductor bridge (3) and supplies power to the semiconductor bridge; the middle hole of the flange is sealed by sealant (2);
the annular cutter (6) is arranged at the upper end of the gunpowder (4); the annular cutter (6) is in a solid cylinder shape, and an annular conical blind hole is processed inwards from the edge of the upper end face, so that an annular notch is formed on the upper end face; a sealing ring (7) is arranged in a sealing groove on the outer circumference of the annular cutter (6);
the chopping block (10) is a hollow cylinder with an opening at one end and a sealed end, and is provided with an internal thread which can be matched with the external thread of the shell (5); the chopping board (10) can be connected with the shell (5) through threads; the pad (9) is arranged on the inner side of the closed end of the chopping block (10).
2. The split cable separator for a secondary ignition device according to claim 1, wherein the material of the housing (2) is steel.
3. The split cable separator for a secondary ignition device according to claim 1, wherein the wall thickness of the housing (2) is 2 mm.
4. The split type cable separation device for the secondary ignition device as claimed in claim 1, wherein the gunpowder (4) is 30mg of No. 5 ignition powder and 50mg of black powder.
5. The split cable separator for a secondary detonating device as claimed in claim 1, characterized in that said sealant (2) is epoxy resin glue.
6. The split cable separation device for the secondary detonating device as claimed in claim 1, wherein the annular cutter (6) is made of stainless steel, and the wall thickness of the cutting edge is 1 mm.
7. The split cable separator for a secondary initiator according to claim 1, wherein after the said (10) is connected with the housing (5), two opposite rectangular openings on the housing (5) form rectangular cable cuts (8) with the size of 8mm × 14 mm.
8. The split cable separator for a secondary ignition device according to claim 1, wherein the input energy of the ignition wire (1) is: the current magnitude is at least 5A and the duration is at least 50mS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160060.5A CN111482533A (en) | 2020-03-10 | 2020-03-10 | Split type cable separation device for secondary detonating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160060.5A CN111482533A (en) | 2020-03-10 | 2020-03-10 | Split type cable separation device for secondary detonating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111482533A true CN111482533A (en) | 2020-08-04 |
Family
ID=71789827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010160060.5A Pending CN111482533A (en) | 2020-03-10 | 2020-03-10 | Split type cable separation device for secondary detonating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111482533A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113761653A (en) * | 2021-08-18 | 2021-12-07 | 上海机电工程研究所 | Method and system for evaluating separation safety of shrapnel and shrapnel separation simulation platform |
| CN114192699A (en) * | 2021-11-17 | 2022-03-18 | 西安近代化学研究所 | Recovery system and cable automatic cutting device of marine test recovery body |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230177A1 (en) * | 2002-06-13 | 2003-12-18 | Hamilton Brian K. | Severing vehicle battery cable |
| CN201161307Y (en) * | 2008-01-18 | 2008-12-10 | 南京理工大学 | Wire dragging type time-delay cutting apparatus |
| CN203076503U (en) * | 2013-03-01 | 2013-07-24 | 北京豪仪测控工程有限公司 | Cable blast-away device |
| CN103946947A (en) * | 2011-11-28 | 2014-07-23 | 大金工业株式会社 | Cutting device |
| WO2014132014A1 (en) * | 2013-02-27 | 2014-09-04 | Alford Research Limited | A wire cutting device |
| CN205309178U (en) * | 2016-01-19 | 2016-06-15 | 战功 | Use wire cutterbar of propellant as thrust |
| CN106347688A (en) * | 2015-07-17 | 2017-01-25 | 陕西千山航空电子有限责任公司 | Throwing separating mechanism |
| CN209125882U (en) * | 2018-09-07 | 2019-07-19 | 陕西中天火箭技术股份有限公司 | A kind of gunpowder makees movable barrel type wedge shape knife wire rope cutter |
-
2020
- 2020-03-10 CN CN202010160060.5A patent/CN111482533A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230177A1 (en) * | 2002-06-13 | 2003-12-18 | Hamilton Brian K. | Severing vehicle battery cable |
| CN201161307Y (en) * | 2008-01-18 | 2008-12-10 | 南京理工大学 | Wire dragging type time-delay cutting apparatus |
| CN103946947A (en) * | 2011-11-28 | 2014-07-23 | 大金工业株式会社 | Cutting device |
| WO2014132014A1 (en) * | 2013-02-27 | 2014-09-04 | Alford Research Limited | A wire cutting device |
| CN203076503U (en) * | 2013-03-01 | 2013-07-24 | 北京豪仪测控工程有限公司 | Cable blast-away device |
| CN106347688A (en) * | 2015-07-17 | 2017-01-25 | 陕西千山航空电子有限责任公司 | Throwing separating mechanism |
| CN205309178U (en) * | 2016-01-19 | 2016-06-15 | 战功 | Use wire cutterbar of propellant as thrust |
| CN209125882U (en) * | 2018-09-07 | 2019-07-19 | 陕西中天火箭技术股份有限公司 | A kind of gunpowder makees movable barrel type wedge shape knife wire rope cutter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113761653A (en) * | 2021-08-18 | 2021-12-07 | 上海机电工程研究所 | Method and system for evaluating separation safety of shrapnel and shrapnel separation simulation platform |
| CN113761653B (en) * | 2021-08-18 | 2022-06-07 | 上海机电工程研究所 | Shrapnel separation safety evaluation method and system and shrapnel separation simulation platform |
| CN114192699A (en) * | 2021-11-17 | 2022-03-18 | 西安近代化学研究所 | Recovery system and cable automatic cutting device of marine test recovery body |
| CN114192699B (en) * | 2021-11-17 | 2023-09-12 | 西安近代化学研究所 | Recovery system of marine test recovery body and cable automatic cutout device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111482533A (en) | Split type cable separation device for secondary detonating device | |
| US5052301A (en) | Electric initiator for blasting caps | |
| CN202267419U (en) | Device for destroying initiating explosive devices with shells | |
| US3530759A (en) | Explosively severable element | |
| CN110726340A (en) | Energy-gathering follow-up killing warhead | |
| CN106767182B (en) | A kind of explosion switch based on multi-panel energy-gathering jetting | |
| CN103673795A (en) | Primary explosive-free laser detonator | |
| CN103953342B (en) | A kind of improvement carbon dioxide for colliery shatters device and assemble method | |
| US4259906A (en) | Shape charge agent disposing process | |
| US3326127A (en) | One-way explosive connector device | |
| US3237521A (en) | Explosive bolt | |
| RU190090U1 (en) | A DEVICE FOR THE EXCITATION OF DETONATION IN NON-TERMINAL PRODUCTS OF SPACE-EXPLOSIVE EQUIPMENT | |
| CN103899311B (en) | A kind of carbon dioxide for colliery shatters device and preparation method | |
| US3675533A (en) | Fastening means severable by ignition of an explosive charge | |
| US3260202A (en) | Explosive connector assembly | |
| CN102317735B (en) | Cartridge for breaking rock | |
| CN107461195A (en) | Explosion gas fracturing pipe and the blasting method using gas fracturing pipe | |
| CN207315377U (en) | The gas fracturing pipe group that can quickly assemble | |
| KR101316073B1 (en) | Separation device for nozzle of missile and the method of assembling thereof | |
| CN211012680U (en) | Energy-gathering follow-up killing warhead | |
| US3188914A (en) | Explosive release ignition assembly | |
| CN108195236B (en) | A kind of separate type self-destruction security control device and rocket | |
| KR102124079B1 (en) | Non electric explosive bolt and separating apparatus for projectile using the same | |
| CN203769781U (en) | Carbon dioxide shattering device for coal mine | |
| US2871787A (en) | Nose initiator mounting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200804 |