CN103063089A - Delay assembly capable of resisting temperature difference - Google Patents
Delay assembly capable of resisting temperature difference Download PDFInfo
- Publication number
- CN103063089A CN103063089A CN2012103949601A CN201210394960A CN103063089A CN 103063089 A CN103063089 A CN 103063089A CN 2012103949601 A CN2012103949601 A CN 2012103949601A CN 201210394960 A CN201210394960 A CN 201210394960A CN 103063089 A CN103063089 A CN 103063089A
- Authority
- CN
- China
- Prior art keywords
- delay
- detonator
- connector
- temperature difference
- cap
- 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.)
- Granted
Links
Images
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a delay assembly capable of resisting temperature difference, which has a completely sealed structure and is composed of a percussion cap 7, a connector 20 and a delay detonator 11, wherein the upper round outer diameter of the shell body of a detonator shell 16 of the delay detonator 11 is large, the bottom round outer diameter of the shell body is small, and the detonator shell 16 is provided with a larger gas storage cavity 10; the connector 20 is provided with a circular convex edge 6 which is used for fixing the percussion cap 7, when shutting and crimping the percussion cap 7, the cap shell tilt can not be caused to bring about medicament looseness, a delay ignition piece 15 in the delay detonator 11 is downward loaded into the bottom small end of the detonator 19 according to the output end, the position of loading small end is in contact with the inner diameter of the small end of the detonator shell 16 and explosive 18, and the rest position is not in contact with any object. According to the invention, the influence of high temperature and high pressure gas generated during medicament burning on burning rate and environment temperature of delay medicine (14) to medicament burning rate is effectively solved and lowered, and the delay accuracy of the delay assembly is improved.
Description
Technical field
The present invention relates to a kind of Delay assembly, particularly a kind of civil blast, fuse and ammunition with the Anti-temperature difference Delay assembly in the delay initiation priming system.
Background technology
Along with the development of civilian short-delay blasting, priming system is used for city orientation, timing demolition blasting and the accurate explosion showed increased of engineering, and is also more and more higher to the requirement of detonator delay precision and environment use in the explosion.The impacting type extension ignition part Main Problems of at present use of China is that the annular riveted joint of igniter cap is bad, and the igniter cap perk is out of shape, and causes and pulls the trigger the energy raising, has reduced Fire Reliability, also causes simultaneously defer time shakiness and second difference larger; Be subjected to the impact of the severe environmental conditions such as weather, environment, time, regional geography position, the part defer time of getting angry is unstable, low precision; The defer time drift of impacting type extension ignition part influenced by ambient temperature is excessive, and delay element ignition temperature effect is very obvious, and the low time delay period time of temperature increases the high time delay period time shorten of temperature.
Therefore, need that a kind of performance safety of invention is reliable, structural design more reasonable, influenced by ambient temperature little, delay precision is high, manufacturing process is simple, production efficiency is high and the Anti-temperature difference Delay assembly of reliable in quality, the impacting type extension ignition part that the civil blast priming system that uses under the alternative domestic particular surroundings and present fuse or ammunition are used, this is purpose of the present invention just.
Summary of the invention
Technical problem to be solved by this invention has provided that a kind of performance safety is reliable, reasonable in design, do not change under the fixing state of the art of material purity, granularity, component proportion, technological parameter and preparation environment thereof at delay agent, influenced by ambient temperature little, delay precision is high, manufacturing process is simple, production efficiency is high and reliable product quality, Anti-temperature difference Delay assembly that precision is high.
The technical scheme that the present invention solves its technical problem employing is: Anti-temperature difference Delay assembly structural design is full seal type, and it is comprised of percussion cap, connector and delay detonator.Wherein percussion cap is comprised of igniter cap shell, primer mixture and cover plate; Connector is comprised of circular chimb, igniter cap seat and connector body; Delay detonator is comprised of delay initiation spare and detonator, and delay initiation spare is comprised of extension shell, ignition charge, delay powder, priming and explosive; Detonator is comprised of capsule and explosive; It is large that the capsule contour structures is designed to housing top circle external diameter, and housing bottom circle external diameter is little, and this structural design has larger gas storage cavity; Connector is provided with and is the fixing circular chimb of percussion cap.This Anti-temperature difference Delay assembly at first is with the percussion cap connector igniter cap seat of packing into, then fixes percussion cap with the circular chimb of the connector crimping that closes up, and is coated with sealing sign glue at the lock seam place again; Delay initiation spare is by pack into the down little end of detonator bottom circle external diameter and being press-fit into place of output, and the explosive that fills in the position of its small end of packing into and the capsule contacts with capsule small end internal diameter, all the other positions not with any object contact; And then detonator put into pinch the position that mouthpart is controlled, use and pinch mouthpart seal in capsule blocks together, delay initiation spare and detonator are fixed together, and playing fixedly, delay initiation spare is directly delivered on the explosive with the rear flame energy of prevention percussion cap percussion; At last, the connector that installs percussion cap is pushed the delay detonator oral area, then put into the special-purpose mouthpart of pinching, opening a pinch mouthpart prints in the delay detonator oral area goes out with connector groove card, connector and delay detonator are fixed together, and coat sealant sealing at seam crossing, seal group is fitted together, and finishes ignition, the complete propagation of explosion function of a cover of lighting a fire, delay, detonate.
The effect of described connector is fixedly percussion cap and be connected delay detonator.The connector special design the fixing circular chimb of percussion cap, when using specific purpose tool that crimping is closed up in percussion cap, just circular chimb is carried out the closing in of certain angle, its crimping masterpiece is used on the circular chimb, and then with putting flat instrument with the flat percussion cap bottom margin that encases of circular chimb point, fixedly percussion cap can not cause that like this perk of igniter cap shell causes medicament loosening.This design has fundamentally changed annular when cutting the riveting igniter cap, cut the riveting active force and directly push the igniter cap seat and cause igniter cap shell perk distortion, the loosening phenomenon of medicament, and anti-seismic performance is good, has improved Fire Reliability.
Described delay detonator is comprised of delay initiation spare and detonator, and detonator is comprised of capsule and explosive.Because generally all will produce certain gas during the gasless delay composition burning, and remain in the interior gas storage cavity of tube shell, gas pressure increases with the dose of burning in the shell, thereby combustion speed increases, descend during combustion, the more impacts of burning gases are larger, also affect larger on accuracy delay time.For this reason, Anti-temperature difference Delay assembly capsule is designed to: the housing top circle external diameter of capsule is large, housing bottom circle external diameter is little, shape is such as " beer bottle of handstand ", make it have larger gas storage cavity, effective Free up Memory can be provided for the combustion gas product of delay powder, keep the smooth combustion of delay powder, improve the accuracy delay time of Anti-temperature difference Delay assembly.
It is large that the contour structures of described capsule is designed to housing top circle external diameter, housing bottom circle external diameter is little, shape is such as " beer bottle of handstand ", and the delay initiation spare output capsule bottom small end of packing into down, packing into, explosive contacts with capsule small end internal diameter in position and the detonator of small end, all the other positions are not with any object contact, and what mainly do not fill with the part of object contact is ignition charge and delay powder.Under low temperature environment, after percussion cap is excited, part energy is lighted the ignition charge of delay initiation spare, some heat energy shell of being delayed absorbs, the ignition charge of being lighted burns rapidly and has lighted delay powder, at this moment, the heat energy that the starting stage of ignition charge and delay agent burning produces is delayed preferably by heat conductivility, and shell absorbs and quick going down, delay initiation spare does not progressively raise with the position temperature of any object contact, so that delay initiation spare hanging part temperature has obtained effective compensation, burning velocity progressively strengthens, and has reduced the impact of low temperature environment on defer time.Under hot environment, in the delay agent combustion process, because the extension shell has the gas storage cavity that good heat dispersion and extension shell top are divided, heat loss is increased, the burning velocity of delay powder descends thus, has reduced the impact of hot environment on defer time.Effectively solve or reduced the impact of environment temperature on the medicament burning velocity, improved the delay precision of Delay assembly.
Beneficial effect of the present invention
The present invention effectively solves and has reduced high temperature and high pressure gas that the medicament burning produces to the impact on the medicament burning velocity of delay powder burning velocity and environment temperature, be that a kind of performance safety is reliable, structural design more reasonable, influenced by ambient temperature little, delay precision is high, manufacturing process is simple, production efficiency is high and the Anti-temperature difference Delay assembly of reliable in quality, be fit to produce in enormous quantities.
Description of drawings
Fig. 1 Delay assembly structural representation;
Fig. 2 delay detonator structural representation
Fig. 3 connector structural representation;
Fig. 4 percussion cap structural representation;
Fig. 5 band igniter cap connector structural representation;
Fig. 6 detonator structure schematic diagram;
Among the figure: seal in 1 igniter cap shell, 2 primer mixtures, 3 cover plates, 4 connector bodies, 5 sealing sign glue, 6 circular chimbs, 7 percussion caps, 8 igniter cap seats, 9 fluid sealants, 10 gas storage cavitys, 11 delay detonators, 12 extension shells, 13 ignition charges, 14 delay powders, 15 delay initiation spares, 16 capsules, 17 primings, 18 explosives, 19 detonators, 20 connectors, 21;
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing: igniter cap shell 1, primer mixture 2 and cover plate 3 are formed be used for the igniting element percussion cap 7 of firing point gunpowder 13, wherein cover plate 3 plays fixedly medicament and prevents that percussion cap 7 from making moist; With extension shell 12, ignition charge 13, delay powder 14, priming 17 and explosive 18 composition detonation element delay initiation spares time delay 15, mainly controlled by delay powder 14 time delay; Capsule 16 and explosive 18 formed detonators 19, delay initiation spare 15 and detonator 19 are formed the delay detonator 11 that the function that postpones to detonate is arranged.Be about to different medicaments and be assembled into the monomer that percussion cap 7, delay initiation spare 15 and delay detonator 11 form difference in functionality with different shells and part by the technical parameter requirement.It is large that capsule 16 contour structures are specifically designed to housing top circle external diameter, and housing bottom circle external diameter is little, and shape is such as " beer bottle of handstand ", and this structure has larger gas storage cavity 10; Connector 20 special designs be the fixing circular chimb 6 of percussion cap 7.At first percussion cap 7 is packed in the connector 20 igniter cap seats 8, then to the circular chimb 6 of connector 20 crimping that closes up, fixedly percussion cap 7, are coated with sealing sign glue 5 at the lock seam place again; Then down pack detonator 19 in by output delay initiation spare 15 and put in place, and then the delay detonator 11 that will install delay initiation spare 15 is put into the position that pinch mouthpart is controlled, use and pinch mouthpart seal 21 in capsule 16 blocks together, delay initiation spare 15 and detonator 19 are fixed together; At last, the connector 20 that installs percussion cap 7 is pushed delay detonator 11 oral areas, then put into the special-purpose mouthpart of pinching, open pinch mouthpart and go out the circle seal at delay detonator 11 oral areas with connector 20 groove cards, connector 20 and delay detonator 11 are fixed together, and coat fluid sealant 9 sealing at seam crossing, seal group is fitted together, and is combined into the Anti-temperature difference Delay assembly.
The structural design of Anti-temperature difference Delay assembly of the present invention, solve present civil blast and got angry high temperature and high pressure gas that the insoluble medicament burning of part produces to the impact on the medicament burning velocity of delay powder burning velocity and environment temperature with priming system, fuse and ammunition with impacting type, improved the delay precision of Delay assembly, and Anti-temperature difference Delay assembly stable performance, processing technology is good, is fit to produce in enormous quantities.
Claims (4)
1. Anti-temperature difference Delay assembly, it is comprised of percussion cap (7), connector (20) and delay detonator (11); Wherein percussion cap (7) is comprised of igniter cap shell (1), primer mixture (2) and cover plate (3); Connector (20) is comprised of circular chimb (6), igniter cap seat (8) and connector body (4); Delay detonator (11) is comprised of delay initiation spare (15) and detonator (19); Delay initiation spare (15) is comprised of extension shell (12), ignition charge (13), delay powder (14), priming (17) and explosive (18); Detonator (19) is comprised of capsule (16) and explosive (18); It is characterized in that: Anti-temperature difference Delay assembly structural design is full seal type, and capsule (16) housing top circle external diameter is large, and housing bottom circle external diameter is little; Connector (20) is provided with the circular chimb (6) into fixedly percussion cap (7); Delay initiation spare (15) is by the output little end of detonator (19) inner bottom part circle external diameter of packing into down, then prints (21) in capsule (16) blocks together delay initiation spare (15) and detonator (19) are fixed together with pinching mouthpart.
2. a kind of Anti-temperature difference Delay assembly according to claim 1, it is characterized in that percussion cap (7) is packed into behind connector (20) the igniter cap seat (8), circular chimb (6) closing in crimping with connector (20) fixes percussion cap (7), is coated with sealing sign glue (5) at the lock seam place again.
3. a kind of Anti-temperature difference Delay assembly according to claim 1 is characterized in that capsule (16) housing top circle external diameter is large, and housing bottom circle external diameter is little.
4. a kind of Anti-temperature difference Delay assembly according to claim 1, it is characterized in that delay initiation spare (15) is by pack into the little end in detonator (19) bottom and being press-fit into place of output down, packing into, explosive (18) contacts with capsule (16) small end internal diameter in position and the detonator (19) of small end, all the other positions not with any object contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394960.1A CN103063089B (en) | 2012-10-17 | 2012-10-17 | Delay assembly capable of resisting temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394960.1A CN103063089B (en) | 2012-10-17 | 2012-10-17 | Delay assembly capable of resisting temperature difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103063089A true CN103063089A (en) | 2013-04-24 |
| CN103063089B CN103063089B (en) | 2015-07-15 |
Family
ID=48105821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210394960.1A Active CN103063089B (en) | 2012-10-17 | 2012-10-17 | Delay assembly capable of resisting temperature difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103063089B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218259A (en) * | 2021-05-14 | 2021-08-06 | 南京理工大学 | High-sensitivity impact fire cap for fuse |
| CN114777584A (en) * | 2022-02-16 | 2022-07-22 | 南京理工大学 | Triggering fuse high-sensitivity impact fire cap containing heterogeneous sensitizer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB917354A (en) * | 1959-10-13 | 1963-02-06 | Bombrini Parodi Delfino Spa | Improvements in delayed-action detonators for fuzes |
| US3999484A (en) * | 1975-10-28 | 1976-12-28 | Ici United States Inc. | Delay device having dimpled transfer disc |
| CN2478071Y (en) * | 2001-01-21 | 2002-02-20 | 国营九三九四厂 | Novel acupuncture delay detonator |
| CN2557918Y (en) * | 2002-06-21 | 2003-06-25 | 赵国林 | Detonator shell |
| CN201221925Y (en) * | 2008-05-27 | 2009-04-15 | 时德华 | Combined delaying body element |
| CN202853506U (en) * | 2012-10-17 | 2013-04-03 | 湖南神斧集团向红机械化工有限责任公司 | Temperature difference resisting delay assembly |
-
2012
- 2012-10-17 CN CN201210394960.1A patent/CN103063089B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB917354A (en) * | 1959-10-13 | 1963-02-06 | Bombrini Parodi Delfino Spa | Improvements in delayed-action detonators for fuzes |
| US3999484A (en) * | 1975-10-28 | 1976-12-28 | Ici United States Inc. | Delay device having dimpled transfer disc |
| CN2478071Y (en) * | 2001-01-21 | 2002-02-20 | 国营九三九四厂 | Novel acupuncture delay detonator |
| CN2557918Y (en) * | 2002-06-21 | 2003-06-25 | 赵国林 | Detonator shell |
| CN201221925Y (en) * | 2008-05-27 | 2009-04-15 | 时德华 | Combined delaying body element |
| CN202853506U (en) * | 2012-10-17 | 2013-04-03 | 湖南神斧集团向红机械化工有限责任公司 | Temperature difference resisting delay assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218259A (en) * | 2021-05-14 | 2021-08-06 | 南京理工大学 | High-sensitivity impact fire cap for fuse |
| CN113218259B (en) * | 2021-05-14 | 2022-05-20 | 南京理工大学 | High-sensitivity impact fire cap for fuse |
| CN114777584A (en) * | 2022-02-16 | 2022-07-22 | 南京理工大学 | Triggering fuse high-sensitivity impact fire cap containing heterogeneous sensitizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103063089B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100504278C (en) | Full insurance type artificial rain bullet detonator | |
| CN103423751B (en) | High-energy combustion destroying device and method realized by melting through metal shells | |
| CN109029163B (en) | Small insensitive nonel detonator | |
| CN202722169U (en) | Double-fuze ack-ack artificial hail suppression rainfall bomb | |
| CN105890473A (en) | Fuze device for artificial precipitation projectile | |
| CN101413773B (en) | Steel plastic combined artificial rain bullet detonator | |
| CN202793187U (en) | Non-primary explosive detonator | |
| CN105875298A (en) | Artificial novel hail suppression and rain enhancement rocket | |
| CN201697573U (en) | Insensitive detonator | |
| CN103063089B (en) | Delay assembly capable of resisting temperature difference | |
| US2462305A (en) | Explosive device | |
| CN210862407U (en) | Allowable electronic detonator for coal mine | |
| CN201302426Y (en) | Man-made rain shell fusee | |
| CN201502366U (en) | Secondary ignition detonating primer | |
| CN202853506U (en) | Temperature difference resisting delay assembly | |
| CN108548456B (en) | Explosive loading structure in projectile body for preventing accidental ignition in explosive-proof state of detonator | |
| CN110487135A (en) | Permitted Detonator for Coal Mining electric detonator | |
| CN104897011A (en) | Non-primary hole-by-hole blasting surface detonator and mounting and using method thereof | |
| CN211824078U (en) | Safe initiating part | |
| US2363863A (en) | Priming composition | |
| CN201122084Y (en) | Postponed ignition tube of detonator | |
| CN206131907U (en) | Delayed priming sytem of high temperature resistant, high accuracy | |
| RU66507U1 (en) | ARTILLERY SMALL-BAR | |
| EP3497399A1 (en) | A method of and a cartridge for disarming an unexploded blasting charge in a drill hole | |
| CN85101936A (en) | Safe commercial detonator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |