CN210638592U - Underwater blasting initiation device - Google Patents
Underwater blasting initiation device Download PDFInfo
- Publication number
- CN210638592U CN210638592U CN201920424455.4U CN201920424455U CN210638592U CN 210638592 U CN210638592 U CN 210638592U CN 201920424455 U CN201920424455 U CN 201920424455U CN 210638592 U CN210638592 U CN 210638592U
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- China
- Prior art keywords
- firing pin
- outer sleeve
- detonator
- firing
- pin
- 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.)
- Expired - Fee Related
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- 230000000977 initiatory effect Effects 0.000 title claims abstract description 14
- 238000005422 blasting Methods 0.000 title claims description 10
- 238000010304 firing Methods 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 238000004880 explosion Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000005474 detonation Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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Abstract
The utility model discloses an explosion initiating device under water, including outer sleeve, inner skleeve and detonator, the inner skleeve is installed in the outer sleeve, and fixed mounting has soft metal buffer piece in the inner skleeve, and the embedding has the rigid metal frame in soft metal buffer piece, and the rigid metal frame passes through the connecting rod to be connected with the firing pin, and it has the safety pin to go up to cross to insert on the outer sleeve, and the safety pin passes the firing pin, and the cover has the firing pin spring on the firing pin, and the detonator passes through screw thread and outer bushing, installs the rubber circle in the outer sleeve, installs the water proof membrane on the rubber circle, and the fire cap has been placed to the below of water proof. The utility model discloses an explosion initiating device under water holds device firing time through the control to the firing pin, combines supporting use electric detonator, and whole device waterproof nature is good, easy operation, and the security is high, and efficiency is promoted by a wide margin.
Description
Technical Field
The invention relates to an underwater blasting initiation device, and belongs to the field of blasting.
Background
The earth is divided into three parts of land and seven parts of sea, and the sea limits the communication and economic development of human beings due to the reasons of ship manufacturing industry, navigation technology, sealing concept and the like in the past. Due to the continuous development of later aspects, the importance of the sea is continuously known, people have more and more frequent activities on the sea, but the sea also faces a plurality of problems. For civil aviation, reefs and some historical accumulations in the sea can obstruct navigation, for troops, not only natural obstacles but also artificial obstacles arranged by enemies exist, and the existence of some explosive obstacles and non-explosive obstacles can obstruct normal operation. The traditional method for breaking obstacles is not only mechanical excavation but also explosion destruction, and for underwater explosion, how to detonate the explosive charge is a difficult problem, a common ignition device is subjected to simple waterproof treatment for underwater use, because the ignition rate is high, the treatment is complex, the efficiency is low, obviously, the requirements cannot be met, the use of the electric detonator in the water environment has potential safety hazards, the fuse can be burnt underwater after being ignited on the water surface, but the effect is influenced by long-term water soaking, the operation is inconvenient, the efficiency of the traditional method is low, and the life safety of operators cannot be guaranteed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the underwater blasting initiation device, the firing time of the device is controlled by controlling the firing pin, and the electric detonator is matched with the firing pin, so that the whole device has the advantages of good waterproofness, simplicity in operation, high safety and great improvement on efficiency.
The technical scheme is as follows: in order to solve the technical problem, the underwater blasting initiation device 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 and connected with a firing pin through a connecting rod, a safety pin is transversely inserted into 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 first rubber ring is arranged in the outer sleeve, a waterproof membrane is arranged on the first rubber ring, and a fire cap is arranged below the waterproof membrane; when 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 complete detonation.
Preferably, the inner sleeve is welded within the outer sleeve.
Preferably, the soft metal buffer sheet is welded to the inner sleeve.
Preferably, the safety pin is connected with the outer sleeve through a second rubber ring.
The using method of the underwater blasting initiation device comprises the following steps:
(1) an inner sleeve and an outer sleeve are manufactured, the bottom of the inner sleeve is welded at the bottom of the outer sleeve, the middle of the inner sleeve is of a hollow structure, an opening of the outer sleeve is provided with internal threads, a cylinder body is provided with two opposite safety pin holes, a rubber gasket is arranged at an orifice, the holes are blocked by the rubber gasket, water is effectively prevented, and the safety pin is not easy to pull out due to extrusion force after being inserted into the rubber gasket;
(2) a firing pin is arranged in the outer sleeve, the firing pin is large in front and small in back, the large head part is clamped outside the inner sleeve, and a firing pin spring is sleeved on the small head part;
(3) a rectangular frame-shaped rigid metal frame is welded on the firing pin, a rectangular soft metal buffer sheet is installed at the bottom of the inner sleeve, a rigid metal wire welded on the firing pin is embedded at the bottom of the soft metal buffer sheet, the soft metal buffer sheet plays a role in delaying, and the size and the material of the buffer sheet determine the cutting time;
(4) after the safety pin is pulled out, the firing pin drives the metal wire to cut the buffer sheet under the tension of the firing pin spring, and when the buffer sheet is completely cut, the firing pin completely loses constraint and moves forwards to fire the fire cap;
(5) the matched detonator uses a needle-pricked cap to fire, external threads are arranged on the outer wall of a detonator opening, a first rubber ring is arranged in the opening, a waterproof film is arranged in the center of the first rubber ring, a firing needle can pass through the center of the first rubber ring, the firing needle breaks through the waterproof film when passing through the first rubber ring, and then the firing cap is impacted to detonate the detonator;
(6) when the safety catch is used, the firing mechanism is connected with the detonator through screwing threads, the detonator is submerged after the firing mechanism is connected, the detonator is inserted into a pre-arranged detonator hole, the safety catch is pulled out after preparation work before blasting such as warning and protection is finished, and the rigid metal frame can be detonated after the buffer sheet is cut.
Has the advantages that: the invention relates to an underwater blasting initiation device, which is characterized in that the main part of the device is a firing mechanism, the time is controlled by a soft metal buffer sheet, a firing pin spring provides power for a firing pin, the firing pin is released to fire forwards after the specified time, in addition, a secondary safety is provided, a safety pin is arranged in the firing pin and an inner sleeve for fixing, only after the safety pin is pulled out, the firing pin spring can work, a rubber gasket is arranged at the hole part of the safety pin for fastening and water proofing, so as to ensure that water does not enter the device, a matched detonator is struck to a fire cap by the firing pin for ignition, a detonator is provided with a waterproof plug consisting of a first rubber ring and a plastic sheet at the detonator opening in front of the fire cap, so that the water entering of the detonator is effectively prevented, the detonator is connected with the firing mechanism by screw threads, and the good water proofing effect is achieved, the firing time is controllable, the firing reliability, is convenient for carrying.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the inner sleeve.
Fig. 3 is a schematic structural view of the mounting plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the underwater explosion initiation device of the present 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 in the outer sleeve 2, the safety pin 7 is connected with the outer sleeve 2 through a second rubber ring, the safety pin 7 passes 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 a screw thread, a first rubber ring 4 is installed in the outer sleeve 2, a waterproof membrane 11 is installed on the first rubber ring 4, and a fire cap is placed below the waterproof membrane 11; when 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 complete detonation.
In the present invention, the inner sleeve 8 is welded in the outer sleeve 2, and the soft metal buffer sheet 1 is welded on the inner sleeve 8. As shown in fig. 2, the soft metal buffer sheet 1 is fixedly connected to 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 panel 12 supports for elastic material, and the mounting panel 12 is equipped with logical groove, and soft metal buffer piece 1 card is in leading to the inslot, is equipped with pressure hole 13 respectively in the both sides of mounting panel 12 through-hole, is equipped with the bolt in pressure hole 13, through lock bolt and lock nut with soft metal buffer piece 1 card in leading to the inslot.
The above description is only of the preferred embodiments of the present invention, and it should be 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 invention and these are intended to be within the scope of the invention.
Claims (4)
1. An underwater blasting initiation device is characterized in that: the detonator shell is connected with the outer sleeve through threads, a first rubber ring is arranged in the outer sleeve, a waterproof membrane is arranged on the first rubber ring, and a fire cap is arranged below the waterproof membrane; when 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 complete detonation.
2. The underwater explosion initiating device of claim 1, wherein: the inner sleeve is welded in the outer sleeve.
3. The underwater explosion initiating device of claim 2, wherein: the soft metal buffer sheet is welded on the inner sleeve.
4. The underwater explosion initiating device of claim 1, wherein: the safety pin is connected with the outer sleeve through a second rubber ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920424455.4U CN210638592U (en) | 2019-03-29 | 2019-03-29 | Underwater blasting initiation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920424455.4U CN210638592U (en) | 2019-03-29 | 2019-03-29 | Underwater blasting initiation device |
Publications (1)
Publication Number | Publication Date |
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CN210638592U true CN210638592U (en) | 2020-05-29 |
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CN201920424455.4U Expired - Fee Related CN210638592U (en) | 2019-03-29 | 2019-03-29 | Underwater blasting initiation device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109813190A (en) * | 2019-03-29 | 2019-05-28 | 中国人民解放军陆军工程大学 | Underwater blasting initiation device and using method |
-
2019
- 2019-03-29 CN CN201920424455.4U patent/CN210638592U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109813190A (en) * | 2019-03-29 | 2019-05-28 | 中国人民解放军陆军工程大学 | Underwater blasting initiation device and using method |
CN109813190B (en) * | 2019-03-29 | 2023-10-13 | 中国人民解放军陆军工程大学 | Underwater blasting initiation device and use method thereof |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20210329 |
|
CF01 | Termination of patent right due to non-payment of annual fee |