CN109780952B - Underwater explosion energy-collecting cutting device - Google Patents
Underwater explosion energy-collecting cutting device Download PDFInfo
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- CN109780952B CN109780952B CN201910248500.XA CN201910248500A CN109780952B CN 109780952 B CN109780952 B CN 109780952B CN 201910248500 A CN201910248500 A CN 201910248500A CN 109780952 B CN109780952 B CN 109780952B
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Abstract
The invention discloses an underwater explosion energy-gathering cutting device, which comprises an ignition tool and a cutting unit, wherein the cutting unit comprises a shell with an opening on one side, two sides of the shell are provided with notches, explosive is placed in the shell, the explosive is fixed in the shell through a first liner, two ends of the first liner are positioned at the notches, the first liner is arranged in the shell through a high explosive plate, the high explosive plate is connected through a rubber magnet, and the rubber magnet is connected with the high explosive plate through a filler; the detonator is connected with the explosive in the shell, and the detonator and the shell are sealed through a first rubber ring. According to the underwater explosion energy-gathering cutting device, the cutter is sealed, the blasting influence is reduced, the explosive is tightly attached to ammunition, and the explosive height is designed, so that the utilization rate of the explosive is improved, the destroying cost is saved, the smaller explosive amount reaches the expected target, the use is safe and reliable, and the destroying efficiency is high.
Description
Technical Field
The invention relates to an underwater explosion energy-gathering cutting device, and belongs to the field of blasting.
Background
For the traditional underwater treatment of the nonexplosive powder, equipment is usually used for carrying the nonexplosive powder to land for destroying or some explosive devices are subjected to complicated waterproof treatment for underwater use. The former obviously increases the risk of ammunition moving and is inefficient; the latter is complex in waterproof treatment, is unfavorable for quick maneuvering operation, cannot guarantee waterproof performance, is low in safety, and has extremely large explosive consumption and unsatisfactory effect.
The presence of linear energy harvesting cutters replaces the burdensome large group charges. Although the linear energy-collecting cutter has the characteristics of small volume, small dosage, high power, high explosive utilization rate and the like, the effect is far less than that in the air because the linear energy-collecting cutter is affected by water in water, and the cutting effect is not greatly changed. Therefore, the waterproof treatment of the cutter makes the improvement of the existing equipment to achieve the underwater high-efficiency utilization have important significance.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the underwater explosion energy-gathering cutting device, which has the advantages of improving the utilization rate of the explosive, saving the destruction cost, achieving the expected target with smaller dosage, along with safe and reliable use and high destruction efficiency by sealing a cutter, reducing the blasting influence, tightly fitting with the ammunition and designing the explosion height.
The technical scheme is as follows: in order to solve the technical problems, the underwater explosion energy-gathering cutting device comprises an ignition tool and a cutting unit, wherein the cutting unit comprises a shell with one side open, notches are formed in two sides of the shell, explosive is placed in the shell and is fixed in the shell through a first liner, two ends of the first liner are positioned at the notches, the first liner is installed in the shell through a high explosive plate, the high explosive plate is connected through a rubber magnet, and the rubber magnet is connected with the high explosive plate through a filler; the detonator is connected with the explosive in the shell, and the detonator and the shell are sealed through a first rubber ring.
Preferably, the shell is made of lead-plastic composite materials, the lead thickness is 3mm, the plastic thickness is 2mm, the shaped charge is arranged in the shell, the explosive is 8701, the first liner is a wedge-shaped liner with variable wall thickness, the top angle of the liner is 90 degrees, the maximum thickness is 2mm, the bus length is 10mm, and the material is lead-antimony alloy.
Preferably, the bomb plate is a lead plate, the thickness of the lead plate is 5mm, the height is 6mm, and the thickness of the rubber magnet is 2mm.
Preferably, the igniter comprises an outer sleeve, an inner sleeve and a detonator shell, wherein the inner sleeve is arranged in the outer sleeve, a soft metal buffer sheet is fixedly arranged in the inner sleeve, a rigid metal frame is embedded in the soft metal buffer sheet, the rigid metal frame is connected with a firing pin through a connecting rod, a safety pin is transversely inserted on the outer sleeve and penetrates through the firing pin, a firing pin spring is sleeved on the firing pin, the detonator shell is connected with the outer sleeve through threads, a second rubber ring is arranged in the outer sleeve, a waterproof membrane is arranged on the rubber ring, and a fire cap is arranged below the waterproof membrane; when the ignition powder needs to be detonated, the safety pin is pulled out, the firing pin drives the rigid metal frame to move under the action of the firing pin spring, the rigid metal frame cuts the soft metal buffer sheet, and after the soft metal buffer sheet is cut, the firing pin penetrates through the waterproof membrane to finish detonation.
Preferably, the inner sleeve is welded within the outer sleeve.
Preferably, the soft metal bumper is welded to the inner sleeve.
Preferably, the soft metal buffer sheet is fixedly connected with the mounting plate, the mounting plate is provided with a through hole, a bolt is inserted into the through hole of the mounting plate, and the bolt is mounted on the inner sleeve.
Preferably, the mounting plate is made of elastic material and is provided with a through groove, the soft metal buffer sheets are clamped in the through groove, pressing holes are respectively formed in two sides of the through hole of the mounting plate, bolts are arranged in the pressing holes, and the soft metal buffer sheets are clamped in the through groove through the locking bolts and the locking nuts.
The beneficial effects are that: according to the underwater explosion energy-gathering cutting device, the composite material shell is added on the basis of a traditional cutter, the damage effect is enhanced by utilizing the wedge-shaped liner with the variable wall thickness, the explosion height plate and the rubber are combined magnetically to form a closed space, the situation that the explosion height plate is not disturbed before the jet flow acts is guaranteed, the utilization rate of explosive is high, the cost of the explosive is saved, the smaller dosage reaches the expected target, and the explosion efficiency is high; the rubber magnet uses the characteristics of the ammunition shell, and the device can be reliably fixed by combining the filler; the whole device has simple manufacturing method, can be manufactured in advance before construction, greatly saves time cost, reduces construction period, has low economic cost, can be produced in batches, and ensures ignition reliability and operator safety; the invention controls time by soft metal buffer sheet, the firing pin spring provides power for the firing pin, when reaching the appointed time, the firing pin is released and is fired forward, besides, a secondary safety is provided, a safety pin is arranged in the firing pin and the inner sleeve for fixing, only after the safety pin is pulled out, the firing pin spring works, the safety pin hole part is fastened and waterproof by a rubber gasket, no water inflow is ensured inside the device, the matched detonator is fired by the firing pin impacting the fire cap, the detonator mouth in front of the fire cap is provided with a waterproof plug composed of the rubber ring and the plastic sheet, the water inflow of the detonator is effectively prevented, the detonator and the firing mechanism are connected by screw threads, so that a good waterproof effect is achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the igniter of the present invention.
Fig. 4 is a schematic structural view of the inner sleeve.
Fig. 5 is a schematic structural view of the mounting plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, the underwater explosion energy-gathering cutting device comprises an ignition tool and a cutting unit, wherein the cutting unit comprises a shell with an opening on one side, notches are formed in two sides of the shell, explosive 15 is placed in the shell, the explosive 15 is fixed in the shell through a first liner 14, two ends of the first liner 14 are positioned at the notches, the first liner 14 is installed in the shell through a high explosive plate 19, the high explosive plate 19 is connected through a rubber magnet 18, the rubber magnet 18 is connected with the high explosive plate 19 through a filler, and the rubber magnet 18 is connected with cut metal; detonator holes 16 are formed in two sides of the shell, detonators connected with the igniter are arranged in the detonator holes 16, the detonators are connected with explosive 15 in the shell, and the detonators are sealed with the shell through first rubber rings 17.
In the invention, the shell is made of lead-plastic composite material, the thickness of lead is 3mm, the thickness of plastic is 2mm, the plastic layer is positioned on the inner wall of the shell, the inside of the shell is shaped charge, the explosive 15 is 8701, the first liner 14 is a wedge-shaped liner with variable wall thickness, the top angle of the liner is 90 degrees, the maximum thickness is 2mm, the length of a bus is 10mm, and the material is lead-antimony alloy. The explosive height plate 19 is a lead plate, the thickness of the lead plate is 5mm, the height is 6mm, and the thickness of the rubber magnet 18 is 2mm.
As shown in fig. 3 to 5, the underwater blasting initiation device of the invention comprises an outer sleeve 2, an inner sleeve 8 and a detonator shell 5, wherein the inner sleeve 8 is installed in the outer sleeve 2, a soft metal buffer sheet 1 is fixedly installed in the inner sleeve 8, a rigid metal frame 9 is embedded in the soft metal buffer sheet 1, the rigid metal frame 9 is connected with a firing pin 6 through a connecting rod 3, a safety pin 7 is transversely inserted on the outer sleeve 2, the safety pin 7 is connected with the outer sleeve 2 through a second rubber ring 4, the safety pin 7 penetrates through the firing pin 6, a firing pin spring is sleeved on the firing pin 6, the detonator shell 5 is connected with the outer sleeve 2 through threads, a second rubber ring 4 is installed in the outer sleeve 2, a waterproof membrane 11 is installed on the second rubber ring 4, and a fire cap is placed below the waterproof membrane 11; when the ignition powder needs to be detonated, the safety pin 7 is pulled out, the firing pin 6 drives the rigid metal frame 9 to move under the action of the firing pin spring, the rigid metal frame 9 cuts the soft metal buffer sheet 1, and after the soft metal buffer sheet 1 is cut, the firing pin 6 penetrates through the waterproof membrane 11 to finish detonation.
In the present invention, the inner sleeve 8 is welded inside the outer sleeve 2, and the soft metal bumper 1 is welded on the inner sleeve 8. As shown in fig. 2, the soft metal buffer sheet 1 is fixedly connected with the mounting plate 12, the mounting plate 12 is provided with a through hole, a bolt is inserted into the through hole of the mounting plate 12, and the bolt is mounted on the inner sleeve 8. The mounting plate 12 is made of elastic material and is supported, the mounting plate 12 is provided with a through groove, the soft metal buffer sheet 1 is clamped in the through groove, pressing holes 13 are respectively formed in two sides of a through hole of the mounting plate 12, bolts are arranged in the pressing holes 13, and the soft metal buffer sheet 1 is clamped in the through groove through locking bolts and locking nuts.
When the invention is used, the detonator shell 5 is arranged in the detonator hole through threads, the ignition devices are arranged on both sides of the shell, the detonator shell 5 is sealed through the rubber ring, after the installation is finished, the firing pin 6 is driven by the tension of the firing pin spring to cut the buffer sheet after the safety pin 7 is pulled out, and the firing pin 6 thoroughly loses the constraint and moves forwards after the buffer sheet is thoroughly cut, so as to fire the fire cap; the matched detonator uses a needle to fire, the outer wall of the detonator mouth is provided with external threads, the inside of the hole mouth is provided with a second rubber ring 4, the center of the rubber ring is provided with a waterproof membrane 11, the center of the rubber ring can enable a firing pin 6 to pass through, when the firing pin 6 passes through the rubber ring, the waterproof membrane 11 is broken by striking, then the detonator is detonated by striking the fire cap, and the detonator ignites an explosive 15 to complete cutting.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (6)
1. The underwater explosion energy-gathering cutting device comprises an ignition tool and a cutting unit, wherein the cutting unit comprises a shell with one side being open, two sides of the shell are provided with notches, explosive is placed in the shell, the explosive is fixed in the shell through a first liner, two ends of the first liner are positioned at the notches, the first liner is installed in the shell through a high explosive plate, the high explosive plate is connected through a rubber magnet, and the rubber magnet is connected with the high explosive plate through a filler; the detonator is connected with the explosive in the shell, the detonator and the shell are sealed through a first rubber ring, the shell is made of lead-plastic composite material, the lead thickness is 3mm, the plastic thickness is 2mm, the inside of the shell is shaped charge, the explosive is 8701, the first liner is a variable wall thickness wedge liner, the top angle of the liner is 90 degrees, the maximum thickness is 2mm, the bus length is 10mm, and the material is lead-antimony alloy; the method is characterized in that: the ignition tool comprises an outer sleeve, an inner sleeve and a detonator shell, wherein the inner sleeve is arranged in the outer sleeve, a soft metal buffer sheet is fixedly arranged in the inner sleeve, a rigid metal frame is embedded in the soft metal buffer sheet, the rigid metal frame is connected with a firing pin through a connecting rod, a safety pin is transversely inserted on the outer sleeve and penetrates through the firing pin, a firing pin spring is sleeved on the firing pin, the detonator shell is connected with the outer sleeve through threads, a second rubber ring is arranged in the outer sleeve, a waterproof membrane is arranged on the second rubber ring, and a fire cap is arranged below the waterproof membrane; when the ignition powder needs to be detonated, the safety pin is pulled out, the firing pin drives the rigid metal frame to move under the action of the firing pin spring, the rigid metal frame cuts the soft metal buffer sheet, and after the soft metal buffer sheet is cut, the firing pin penetrates through the waterproof membrane to finish detonation.
2. The underwater blast energy harvesting cutting apparatus of claim 1, wherein: the inner sleeve is welded in the outer sleeve.
3. The underwater blast energy harvesting cutting apparatus of claim 1, wherein: the soft metal buffer sheet is welded on the inner sleeve.
4. An underwater explosion energy gathering cutting apparatus as set forth in claim 3 wherein: the soft metal buffer sheet is fixedly connected with the mounting plate, the mounting plate is provided with a through hole, a bolt is inserted into the through hole of the mounting plate, and the bolt is mounted on the inner sleeve.
5. The underwater explosion energy gathering cutting device as recited in claim 4 wherein: the mounting plate is elastic material support, and the mounting plate is equipped with logical groove, and soft metal buffer card is equipped with the pressure hole respectively in the both sides of mounting plate through-hole in logical inslot, is equipped with the bolt in the pressure hole, through lock bolt and lock nut with soft metal buffer card in logical inslot.
6. The underwater blast energy harvesting cutting apparatus of claim 1, wherein: the height plate is a lead plate, the thickness of the lead plate is 5mm, the height is 6mm, and the thickness of the rubber magnet is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248500.XA CN109780952B (en) | 2019-03-29 | 2019-03-29 | Underwater explosion energy-collecting cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248500.XA CN109780952B (en) | 2019-03-29 | 2019-03-29 | Underwater explosion energy-collecting cutting device |
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| CN109780952A CN109780952A (en) | 2019-05-21 |
| CN109780952B true CN109780952B (en) | 2023-09-29 |
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| CN201910248500.XA Active CN109780952B (en) | 2019-03-29 | 2019-03-29 | Underwater explosion energy-collecting cutting device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161095A (en) * | 2001-11-21 | 2003-06-06 | Te U Kan | Blasting method of bedrock utilizing air bag embedded inside explosive-charged layer |
| DE102005031673A1 (en) * | 2004-07-23 | 2006-03-16 | Dynitec Gmbh | Ignition system for detonation has data bus and logic and control circuit over data line for control and monitoring of ignition levels with which detonator is connected over the line for transmission of ignition signal |
| CN102735121A (en) * | 2012-07-05 | 2012-10-17 | 中国科学技术大学 | Annular linear energy-accumulation cutter |
| CN107218862A (en) * | 2017-07-09 | 2017-09-29 | 贵州大学 | A kind of underwater demolition cumulative bullet and distribution method |
| CN108917508A (en) * | 2018-07-10 | 2018-11-30 | 中国人民解放军陆军工程大学 | Imderwater cutting device |
| CN109211037A (en) * | 2018-09-11 | 2019-01-15 | 中国矿业大学 | A kind of underwater explosion cutting component and underwater explosion cutting method |
| CN210374818U (en) * | 2019-03-29 | 2020-04-21 | 中国人民解放军陆军工程大学 | Underwater explosion energy-gathering cutting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5095657B2 (en) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | Blast treatment method and blast treatment apparatus |
-
2019
- 2019-03-29 CN CN201910248500.XA patent/CN109780952B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161095A (en) * | 2001-11-21 | 2003-06-06 | Te U Kan | Blasting method of bedrock utilizing air bag embedded inside explosive-charged layer |
| DE102005031673A1 (en) * | 2004-07-23 | 2006-03-16 | Dynitec Gmbh | Ignition system for detonation has data bus and logic and control circuit over data line for control and monitoring of ignition levels with which detonator is connected over the line for transmission of ignition signal |
| CN102735121A (en) * | 2012-07-05 | 2012-10-17 | 中国科学技术大学 | Annular linear energy-accumulation cutter |
| CN107218862A (en) * | 2017-07-09 | 2017-09-29 | 贵州大学 | A kind of underwater demolition cumulative bullet and distribution method |
| CN108917508A (en) * | 2018-07-10 | 2018-11-30 | 中国人民解放军陆军工程大学 | Imderwater cutting device |
| CN109211037A (en) * | 2018-09-11 | 2019-01-15 | 中国矿业大学 | A kind of underwater explosion cutting component and underwater explosion cutting method |
| CN210374818U (en) * | 2019-03-29 | 2020-04-21 | 中国人民解放军陆军工程大学 | Underwater explosion energy-gathering cutting device |
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| CN109780952A (en) | 2019-05-21 |
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