CN105890473A - Fuze device for artificial precipitation projectile - Google Patents
Fuze device for artificial precipitation projectile Download PDFInfo
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- CN105890473A CN105890473A CN201410740197.2A CN201410740197A CN105890473A CN 105890473 A CN105890473 A CN 105890473A CN 201410740197 A CN201410740197 A CN 201410740197A CN 105890473 A CN105890473 A CN 105890473A
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Abstract
The invention discloses a fuze device for an artificial precipitation projectile. The fuze device comprises a fuze body, an ignition self-destructive mechanism, a safety mechanism and a detonator, wherein the middle of the fuze body is a cavity structure; and in the cavity structure, the ignition self-destructive mechanism is arranged at the upper part of the cavity structure, the safety mechanism is arranged at the lower part of the ignition self-destructive mechanism, and the detonator is inserted into the lower part of the safety mechanism. The ignition self-destructive mechanism produces flames after being ignited, the flames are transmitted into the detonator under the control of the safety mechanism, a gunpowder charging projectile body of the artificial precipitation projectile is arranged at the lower part of the detonator, the flames enter the gunpowder charging projectile body via the detonator, and gunpowder in the gunpowder charging projectile body is detonated so as to produce thrust to launch the artificial precipitation projectile. The fuze device eliminates the potential safety risk that the chamber of the existing artificial hail preventing and precipitation increasing projectile explodes, solves the potential safety problems of the existing artificial precipitation increasing and hail preventing projectile, such as dud, half explosion and large explosion remnant fragments, and has high safety and high reliability.
Description
Technical field
The present invention relates to hail-proof rain-increasing field, refer in particular to a kind of artificial rain bullet detonator device.
Background technology
It is currently employed for increasing rain artificially the fuse of hail mitigation ammunition series by self-destructor, detonating primer, fuse
Body forms, and by the feedback information of user, the problem existed mainly shows as half quick-fried, misfire, and product
Self does not have insurance institution, there is bore premature potential safety hazard, more than once occurring in actual job
Cross bore premature accident, cause casualties and the damage of cannon.Meanwhile, current artificial rain bullet detonator is mainly
Owing to Explosive sequence does not mates, the energy of output is too small, and be not enough to detonate or detonate completely bullet, leads
Causing misfire or half quick-fried, quality control difficulty is very big, careless slightly detonating primer i.e. can be caused reliably not rise
Quick-fried bullet main charge, forms projectile explosion not exclusively (half is quick-fried), owing to there is no insurance institution, storage or
In handling process after igniter cap is by unexpected exciting, fuse is just started working, it will cause huge safety
Accident, therefore in duties process and thorax in emission process, there is potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that a kind of elimination
Current manual's hail-proof rain-increasing cartridge chamber explodes potential safety hazard, solves existing the blind of hail mitigation bullet existence of increasing rain artificially at present
Fire, half quick-fried, explosion residue fragmentation quality potential safety problem bigger than normal, have high security and highly reliable
The artificial rain bullet detonator device of property.
The technical scheme that the present invention takes is as follows: a kind of artificial rain bullet detonator device, including fuze body, sends out
Fire self-desctruction device, insurance institution and detonating primer, wherein, the middle part of above-mentioned fuze body is cavity structure,
In this cavity structure, the top of this cavity structure is provided with ignition self-desctruction device, gets angry under self-desctruction device
Portion is provided with insurance institution, and the bottom of insurance institution is inserted with detonating primer, and self-desctruction device of getting angry is got angry and produced fire
Flame, flame conducts to detonating primer through the control of insurance institution, and the bottom of detonating primer is provided with artificial rain bomb's
Powder charge body, flame is in detonating primer enters powder charge body, and ignites the gunpowder in powder charge body, with
Produce thrust and launch artificial rain bomb.
Preferably, described ignition self-desctruction device includes ignition module, time-setting ring and socket, wherein,
Above-mentioned time-setting ring is fixedly installed in socket by alignment pin, is provided with paper between time-setting ring and socket
Pad；Above-mentioned ignition module is fixed on time-setting ring by alignment pin, ignition module and time-setting ring
Between be provided with paper gasket, flank attack pin in ignition module clashes into ignition powder, ignition powder burning burning time
602 micro-cigarette medicines in batch pan.
Preferably, described ignition module includes ignition seat, flank attack pin, flank attack spring, the third acupuncture fire
Cap and igniter cap plug screw, wherein, be provided with two-way circulation port in above-mentioned ignition seat, and this two-way circulation port includes
The hole of two connections, above-mentioned flank attack pin is arranged in the left hole of two-way circulation port, the syringe needle of flank attack pin
Upward；The top of flank attack pin arranges flank attack spring, the top of flank attack spring be provided with the third stab cap, third
The top of pricker igniter cap arrange igniter cap plug screw, igniter cap plug screw, by the third stab cap, fixing, during transmitting,
Third pricker igniter cap overcome flank attack spring, resistance hit flank attack pin and produce flame, flame imports double
In the right ports of road circulation port.
Preferably, described time-setting ring includes 602 micro-cigarette medicines, batch pan body, ignition powder and 634
Delay powder, wherein, above-mentioned batch pan body is arranged on the bottom of ignition seat, and batch pan is the most internal has drug slot,
This drug slot connects with the two-way circulation port got angry in seat；Described drug slot extends along the periphery of batch pan body,
Form two sections of loop configuration；Above-mentioned ignition powder is separately positioned on the two ends of this loop configuration, ignition powder
Inner side is respectively provided with 602 micro-cigarette medicines, and 634 delay powders are arranged on the center of drug slot, lead in ignition seat
The flame ignition ignition powder gone out, ignition powder lights 602 micro-cigarette medicines, and 602 micro-cigarette medicines burnings are then lighted and prolonged
Phase medicine.
Preferably, described safety structure includes actuating device, guide finger, inertia cylinder, plug screw, returns
Turn seat, centrifugal lock, centrifugal insurance plug screw, centrifugal insurance spring, insurance steel ball and flank attack needle spring.
Preferably, the middle part of described shutter housing is provided with centre bore, being respectively provided on two sides with of centre bore
Side opening, two side holes connects with centre bore；In above-mentioned centre bore, tumbler is set.
Preferably, guide finger, inertia cylinder and flank attack needle spring are set in the left hole of described shutter housing,
Wherein, above-mentioned guide finger is arranged at the bottom of hole, and small end is upward；Above-mentioned flank attack needle spring is enclosed within guide finger
On small end, being inserted with inertia cylinder in flank attack needle spring, the upper end of inertia cylinder is adjacent to flank attack needle spring；Inertia cylinder
Top is provided with plug screw, and plug screw covers tightly the upper nose end of left hole.
Preferably, the right ports of described shutter housing favours centre bore and arranges, and arranges in right ports
Centrifugal lock, centrifugal insurance spring and centrifugal insurance plug screw.
Preferably, the lower end of described centrifugal lock is hemisphere, and upper end is provided with fixing groove, hemisphere court
Lower setting, and it is adjacent to actuating device, it is provided with centrifugal insurance spring in fixing groove, the top of centrifugal insurance spring
Being provided with centrifugal lock, centrifugal lock covers tightly the upper nose end of right ports.
The beneficial effects of the present invention is:
The present invention uses redundancy igniting, redundancy to delay to pass lighter structure, the most double ignitions, and the dual pathways delays to pass
Fire, improves fuse point flame transfer dependability；Design fully mechanical straight line back seat insurance institution and tilting centrifugal
Insurance institution, it is achieved that redundancy is insured, and improves the inherent safety of fuse.The present invention is by using
Fully mechanical straight line back seat insurance institution and tilting centrifugal insurance institution are shown by range firing test,
475, without misfire, meet safety index requirement, solve fuse misfire and bore premature security hidden trouble,
Improve fuse inherent safety；Devise redundancy igniting, redundancy delays to pass lighter structure, becoming blind fuse
Fire rate is reduced to 3 ‰ from traditional 5%, significantly improves the function reliability of fuse.Insurance institution
Increase safety when launching in ensure that duties process and thorax；By with stab cap, time-setting ring,
Flame detonator, stab detonator, embedded detonating primer form new Explosive sequence, solve former fuze action
Too small half quick-fried, the misfire problem caused of energy.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the present invention.
Fig. 2 is the structural representation of self-desctruction device of delivering in Fig. 1.
Fig. 3 is the cross-sectional view in A-A direction in Fig. 2.
Fig. 4 is the structural representation of Tu1Zhong insurance institution.
Fig. 5 is the top view of Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described: as shown in Figures 1 to 5, the present invention
The technical scheme taked is as follows: a kind of artificial rain bullet detonator device, including fuze body 2, self-desctruction device of getting angry
1, insurance institution 3 and detonating primer 4, wherein, the middle part of above-mentioned fuze body 2 is cavity structure, this sky
In cavity configuration, the top of this cavity structure is provided with ignition self-desctruction device 1, the bottom of ignition self-desctruction device 1
Being provided with insurance institution 3, the bottom of insurance institution 3 is inserted with detonating primer 4, and self-desctruction device 1 of getting angry is got angry and produced
Lighting a fire flame, flame conducts to detonating primer 4 through the control of insurance institution 3, and the bottom of detonating primer 4 sets
Having the powder charge body of artificial rain bomb, flame is in detonating primer 4 enters powder charge body, and ignites powder charge body
Interior gunpowder, to produce thrust transmitting artificial rain bomb.
Self-desctruction device 1 of getting angry includes ignition module 11, time-setting ring 12 and socket 13, wherein, on
State time-setting ring 12 to be fixedly installed in socket 13 by alignment pin 15, time-setting ring 12 and socket
Paper gasket 14 it is provided with between 13；Above-mentioned ignition module 11 is fixed on time-setting ring 12 by alignment pin 15
On, it is provided with paper gasket 14, the flank attack in ignition module 11 between ignition module 11 and time-setting ring 2
Pin clashes into ignition powder, 602 micro-cigarette medicines in ignition powder burning burning time batch pan 12.
Ignition module 11 includes ignition seat, flank attack pin, flank attack spring, the third stab cap and igniter cap plug screw,
Wherein, being provided with two-way circulation port in above-mentioned ignition seat, this two-way circulation port includes two holes connected,
Above-mentioned flank attack pin is arranged in the left hole of two-way circulation port, and the syringe needle of flank attack pin is upward；Flank attack pin
Top arranges flank attack spring, the top of flank attack spring be provided with the third stab cap, the top of the third pricker igniter cap
Arrange igniter cap plug screw, igniter cap plug screw, by the third stab cap, fixing, during transmitting, the third pricker igniter cap gram
Take flank attack spring, resistance hit flank attack pin and produce flame, flame import two-way circulation port the right side
In side opening.
Time-setting ring 12 includes 602 micro-cigarette medicines, batch pan body, ignition powder and 634 delay powders, wherein,
Above-mentioned batch pan body is arranged on the bottom of ignition seat, and batch pan is the most internal has drug slot, this drug slot and ignition
Two-way circulation port connection in Zuo；Described drug slot extends along the periphery of batch pan body, forms two sections of rings
Shape structure；Above-mentioned ignition powder is separately positioned on the two ends of this loop configuration, and the inner side of ignition powder sets respectively
Putting 602 micro-cigarette medicines, 634 delay powders are arranged on the center of drug slot, the interior flame point derived of seat of getting angry
Firing ignition powder, ignition powder lights 602 micro-cigarette medicines, and delay powder is lighted in 602 micro-cigarette medicines burnings then.
Safety structure 3 includes actuating device 31, guide finger 32, inertia cylinder 33, plug screw 34, revolution
Housing 35, centrifugal lock 36, centrifugal insurance plug screw 37, centrifugal insurance spring 38, insurance steel ball 39 and side
Striker spring 310.
The middle part of shutter housing 35 is provided with centre bore, centre bore be respectively provided on two sides with side opening, two side holes
Connect with centre bore；Tumbler 31 is set in above-mentioned centre bore.
Guide finger 32, inertia cylinder 33 and flank attack needle spring 310 are set in the left hole of shutter housing 35,
Wherein, above-mentioned guide finger 32 is arranged at the bottom of hole, and small end is upward；Above-mentioned flank attack needle spring 310 is enclosed within leads
On the small end of pin 32, being inserted with inertia cylinder 33 in flank attack needle spring 310, the upper end of inertia cylinder 33 is adjacent to
Flank attack needle spring 310；The top of inertia cylinder 33 is provided with plug screw 34, and plug screw 34 covers tightly the upper hole of left hole
End.
The right ports of shutter housing 35 favour centre bore arrange, arrange in right ports centrifugal lock 36, from
Heart insurance spring 38 and centrifugal insurance plug screw 37.
The lower end of centrifugal lock 36 is hemisphere, and upper end is provided with fixing groove, and hemisphere is arranged down, and pastes
Tight actuating device 31, is provided with centrifugal insurance spring 38 in fixing groove, and the top of centrifugal insurance spring 38 is provided with
Centrifugal lock 36, centrifugal lock 36 covers tightly the upper nose end of right ports.
Further, the present invention is by fuze body, ignition self-desctruction device, fuse mechanism, insurance institution, pressure
Spiral shell, detonating primer form.Get angry self-desctruction device be contained in fuze body endoporus top, get angry self-desctruction device and
Equipped with fuse mechanism and insurance institution between pressure spiral shell, fuse mechanism is withheld in insurance institution, safety
Structure is contained in pressure spiral shell, and detonating primer is contained in pressure spiral shell, prominent fuze body.Get angry self-desctruction device its by getting angry
Assembly, alignment pin, paper gasket, time-setting ring, bracket form, ignition module include for get angry seat,
Flank attack pin, flank attack needle spring, igniter cap and igniter cap plug screw.Insurance institution uses dicyclo Jing Li insurance institution,
Including plug screw, inertia cylinder, guide finger, shutter housing, centrifugal lock, centrifugal insurance plug screw, flank attack pin
Spring, insurance steel ball, centrifugal insurance spring, revolving body is built with stab detonator.Time-setting ring lower surface away from
Flame detonator input end face distance is 1.2mm～2mm, and flame detonator output end face is away from acupuncture input end face
Distance is 4.3mm～5mm.The assembling process of the present invention is as follows: in ignition threaded two holes of seat
It is sequentially loaded into flank attack pin, flank attack needle spring, igniter cap respectively, is screwed into igniter cap plug screw, Ji Chengfa the most respectively
Lighter structure；First flame detonator is coated with when leading the assembling of quick-fried device after epoxy resin loads detonator seat and puts riveting；From
Ruin mechanism assembling time upper alignment pin, upper paper gasket are installed to firing device lower surface successively after, then by time
Between the upper dowel hole upper alignment pin of alignment of batch pan load, the more lower dowel hole of time-setting ring is directed at
Lower alignment pin loads, and reinstalls lower paper gasket, buckles bracket combined pressure, finally ignition module is loaded and draw
Letter body, tightens and puts in place；Stab detonator is first coated with epoxy resin and loads in detonator hole by isolating device assembled,
Point riveting, then revolving body is put into shutter housing interstitial hole, successively fill in the face of shutter housing upper end
Entering guide finger, insurance steel ball embeds revolving body, reinstalls inertia spring, inertia cylinder, plug screw are tightened,
Side is sequentially loaded into, and centrifugal lock, centrifugal insurance spring, centrifugal insurance plug screw are tightened, rearmost point riveting；?
Lead quick-fried device and be buckled in above interrupter, load in pressure screw, after pressure spiral shell threaded portion shellac
It is screwed into fuze body, then after the threaded portion shellac of detonating primer, is screwed into pressure spiral shell internal thread hole
Safety type artificial rain bullet detonator.The action principle of the present invention: during inner trajectory, propellant powder is excited by cannon
After, producing high temperature and high pressure gas, force bullet to move to gun muzzle along gun tube, igniter cap is at back seat inertia
Rearward movement under power effect, when arrive striker head instantaneous, its kinetic energy considerably beyond igniter cap excitation energy,
Igniter cap is excited, and burning time batch pan, and time-setting ring starts burning；Meanwhile, inertia cylinder exists
Under back seat inertia force effect, compression inertia cylinder spring is to armed position, and release insurance steel ball, along with bullet
When ball reaches certain rotating speed, Semple plunger is under centrifugal action, and compression is centrifuged insurance spring, outer shifting
Being released back into turning, revolving body is become a full member, and stab detonator aligns with detonating primer, when outer trajectory and terminal ballistics
Period, time-setting ring lights flame detonator by regular hour burning, and flame detonator detonates acupuncture thunder
Pipe, stab detonator detonates detonating primer, and so far fuze function completes.
Embodiments of the invention simply introduce its detailed description of the invention, do not lie in and limit its protection domain.
The technical staff of the industry may be made that some is revised under the inspiration of the present embodiment, therefore all according to this
The equivalence that bright the scope of the claims is done changes or modifies, and belongs in scope of the patent claims of the present invention.
Claims (9)
1. an artificial rain bullet detonator device, it is characterized in that: include fuze body (2), ignition self-desctruction device (1), insurance institution (3) and detonating primer (4), wherein, the middle part of above-mentioned fuze body (2) is cavity structure, in this cavity structure, the top of this cavity structure is provided with ignition self-desctruction device (1), the bottom of ignition self-desctruction device (1) is provided with insurance institution (3), the bottom of insurance institution (3) is inserted with detonating primer (4), self-desctruction device (1) of getting angry is got angry and is produced flame, flame conducts to detonating primer (4) through the control of insurance institution (3), the bottom of detonating primer (4) is provided with the powder charge body of artificial rain bomb, flame is in detonating primer (4) enters powder charge body, and ignite the gunpowder in powder charge body, to produce thrust transmitting artificial rain bomb.
A kind of artificial rain bullet detonator device the most according to claim 1, it is characterized in that: described ignition self-desctruction device (1) includes ignition module (11), time-setting ring (12) and socket (13), wherein, above-mentioned time-setting ring (12) is fixedly installed in socket (13) by alignment pin (15), is provided with paper gasket (14) between time-setting ring (12) and socket (13)；Above-mentioned ignition module (11) is fixed on time-setting ring (12) by alignment pin (15), paper gasket (14) it is provided with between ignition module (11) and time-setting ring (2), flank attack pin in ignition module (11) clashes into ignition powder, 602 micro-cigarette medicines in ignition powder burning burning time batch pan (12).
A kind of artificial rain bullet detonator device the most according to claim 2, it is characterized in that: described ignition module (11) includes ignition seat, flank attack pin, flank attack spring, the third stab cap and igniter cap plug screw, wherein, it is provided with two-way circulation port in above-mentioned ignition seat, this two-way circulation port includes two holes connected, above-mentioned flank attack pin is arranged in the left hole of two-way circulation port, and the syringe needle of flank attack pin is upward；The top of flank attack pin arranges flank attack spring, the top of flank attack spring be provided with the third stab cap, the top of the third pricker igniter cap arrange igniter cap plug screw, igniter cap plug screw, by the third stab cap, fixing, during transmitting, third pricker igniter cap overcome flank attack spring, resistance hit flank attack pin and produce flame, flame import two-way circulation port right ports in.
A kind of artificial rain bullet detonator device the most according to claim 3, it is characterized in that: described time-setting ring (12) includes 602 micro-cigarette medicines, batch pan body, ignition powder and 634 delay powders, wherein, above-mentioned batch pan body is arranged on the bottom of ignition seat, batch pan is the most internal has drug slot, and this drug slot connects with the two-way circulation port got angry in seat；Described drug slot extends along the periphery of batch pan body, forms two sections of loop configuration；Above-mentioned ignition powder is separately positioned on the two ends of this loop configuration, the inner side of ignition powder is respectively provided with 602 micro-cigarette medicines, and 634 delay powders are arranged on the center of drug slot, the interior flame ignition ignition powder derived of seat of getting angry, ignition powder lights 602 micro-cigarette medicines, and delay powder is lighted in 602 micro-cigarette medicine burnings then.
A kind of artificial rain bullet detonator device the most according to claim 4, it is characterised in that: safety structure (3) includes actuating device (31), guide finger (32), inertia cylinder (33), plug screw (34), shutter housing (35), centrifugal lock (36), centrifugal insurance plug screw (37), centrifugal insurance spring (38), insurance steel ball (39) and flank attack needle spring (310).
A kind of artificial rain bullet detonator device the most according to claim 5, it is characterised in that: the middle part of described shutter housing (35) is provided with centre bore, centre bore be respectively provided on two sides with side opening, two side holes connects with centre bore；Tumbler (31) is set in above-mentioned centre bore.
A kind of artificial rain bullet detonator device the most according to claim 6, it is characterized in that: guide finger (32), inertia cylinder (33) and flank attack needle spring (310) are set in the left hole of described shutter housing (35), wherein, above-mentioned guide finger (32) is arranged at the bottom of hole, and small end is upward；Above-mentioned flank attack needle spring (310) is enclosed within the small end of guide finger (32), is inserted with inertia cylinder (33) in flank attack needle spring (310), and the upper end of inertia cylinder (33) is adjacent to flank attack needle spring (310)；The top of inertia cylinder (33) is provided with plug screw (34), and plug screw (34) covers tightly the upper nose end of left hole.
A kind of artificial rain bullet detonator device the most according to claim 7, it is characterized in that: the right ports of described shutter housing (35) favours centre bore and arranges, centrifugal lock (36), centrifugal insurance spring (38) and centrifugal insurance plug screw (37) are set in right ports.
A kind of artificial rain bullet detonator device the most according to claim 8, it is characterized in that: the lower end of described centrifugal lock (36) is hemisphere, upper end is provided with fixing groove, hemisphere is arranged down, and it is adjacent to actuating device (31), being provided with centrifugal insurance spring (38) in fixing groove, the top of centrifugal insurance spring (38) is provided with centrifugal lock (36), and centrifugal lock (36) covers tightly the upper nose end of right ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740197.2A CN105890473A (en) | 2014-11-24 | 2014-11-24 | Fuze device for artificial precipitation projectile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740197.2A CN105890473A (en) | 2014-11-24 | 2014-11-24 | Fuze device for artificial precipitation projectile |
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| CN105890473A true CN105890473A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410740197.2A Pending CN105890473A (en) | 2014-11-24 | 2014-11-24 | Fuze device for artificial precipitation projectile |
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|---|---|---|---|---|
| CN106338224A (en) * | 2016-10-27 | 2017-01-18 | 南京理工大学 | Time detonating fuse of antiaircraft gun hail-suppression precipitation increasing bomb |
| CN107314722A (en) * | 2017-04-24 | 2017-11-03 | 重庆长安工业(集团)有限责任公司 | Suitable for low speed, low overload, micro- rotating environment Zhe Fa insurance institutions |
| CN106989644B (en) * | 2017-05-17 | 2018-05-11 | 江南工业集团有限公司 | A kind of rainfall bullet initiator flight recovery test device |
| CN109405678A (en) * | 2018-08-30 | 2019-03-01 | 重庆长安工业(集团)有限责任公司 | High reliability flame proof release mechanism with anti-rotation pin |
| CN109405676A (en) * | 2018-09-25 | 2019-03-01 | 南京理工大学 | Hail mitigation with centrifugation self-destroying function increases rain bullet time ignition fuse |
| CN109470095A (en) * | 2018-08-30 | 2019-03-15 | 重庆长安工业(集团)有限责任公司 | The tilting centrifugation far pole ratio of class quasi-fluid |
| CN109470093A (en) * | 2018-08-30 | 2019-03-15 | 重庆长安工业(集团)有限责任公司 | One thousandth misfire rate high safety high-reliability artificial rain bomb's base fuze device |
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| CN109612349A (en) * | 2018-08-28 | 2019-04-12 | 重庆长安工业(集团)有限责任公司 | The method that small-bore artificial rain bomb directly fills silver iodide and explosive |
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| CN110736397A (en) * | 2019-08-05 | 2020-01-31 | 南京理工大学 | Method and device for realizing fuse self-failure by bonding |
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| CN115265299A (en) * | 2022-08-19 | 2022-11-01 | 南京理工大学 | Centrifugal safety mechanism of small-caliber cannonball warhead trigger fuse acupuncture firing mechanism |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338224B (en) * | 2016-10-27 | 2018-06-29 | 南京理工大学 | Hail mitigation increases rain bullet time ignition fuse |
| CN106338224A (en) * | 2016-10-27 | 2017-01-18 | 南京理工大学 | Time detonating fuse of antiaircraft gun hail-suppression precipitation increasing bomb |
| CN107314722A (en) * | 2017-04-24 | 2017-11-03 | 重庆长安工业(集团)有限责任公司 | Suitable for low speed, low overload, micro- rotating environment Zhe Fa insurance institutions |
| CN106989644B (en) * | 2017-05-17 | 2018-05-11 | 江南工业集团有限公司 | A kind of rainfall bullet initiator flight recovery test device |
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Application publication date: 20160824 |