CN1010124B - Simple flying-piece auget without detonating agent - Google Patents
Simple flying-piece auget without detonating agentInfo
- Publication number
- CN1010124B CN1010124B CN 87106394 CN87106394A CN1010124B CN 1010124 B CN1010124 B CN 1010124B CN 87106394 CN87106394 CN 87106394 CN 87106394 A CN87106394 A CN 87106394A CN 1010124 B CN1010124 B CN 1010124B
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- China
- Prior art keywords
- high explosive
- detonating
- explosive
- powder charge
- shell
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Abstract
The present invention relates to a simple flying-piece auget without a detonating agent, which has the characteristic that a detonating element composed of an inner shell, high explosives and igniting mechanisms is arranged in the open end of an outer shell. A cavity is arranged between the detonating element and a passive charge to make the bottom of an inner auget form flying pieces in a detonating process for impacting and detonating the passive charge with high speed. The present invention adopts different igniting mechanisms which can form safety augets in various detonating modes. Compared with the prior art, the present invention has the advantages of simple structure and manufacture, safety, reliability, large explosive power and high time delay.
Description
The invention belongs to initiating equipment, relate to a kind of safety detonator of the various sparking mode of adaptation without priming explosive.
In recent years, the research of nonpriming material detonator is subjected to the attention of domestic and international relevant department, becomes noticeable important topic, have many this respects the innovation and creation application patent, some has obtained patent right.The common ground of these known nonpriming material detonators is that the medicament with high explosive or other low sensitivity has replaced priming explosive, so security improves greatly.But because these detonator structure complexity, complete processing is numerous and diverse, difficulty is big, and therefore the product cost height has limited the development of nonpriming material detonator, particularly industrial nonpriming material detonator so far still none country can apply.
For example No. 3978791 United States Patent (USP)s of in September, 1976 issue have been announced a kind of non-priming " fling chip detonator ".It is with the bridge silk of the little electric current of low voltage by minor diameter, adds the heat bridge silk, cause the auxiliary main detonation of sending out explosive, the gaseous tension that detonation produced is cut off the metal disk centre portions, advance downwards along cavity, with very high speed and the auxiliary explosive of being sent out of surging force bump, to cause the detonation of being sent out explosive.Though its security is good, reliable effect but structure is very complicated, " film flying " part material requires high, and difficulty of processing is big, and the cost costliness makes it can't drop into industrialness so far and uses.
In August, 1986, a kind of " safe commercial detonator " disclosed (CN85101936) in China's " Gazette of Patent for Invention ".Its purpose is to replace priming explosive with a small-sized detonation element that only loads a small amount of high explosive.The inner casing-one that the formation of this application is filled with high explosive by a shell and one element that detonates is formed.This detonation element can be with or without power-assembling shell, and shell can be made of metal or non-metallic material, its opening end pyrophoric body of can pegging graft.The weak point of this invention is that its detonation element is arranged on detonator two times powder charges place in middle part, gives and makes, processes and bring very burden; Especially desire to make the detonator reliable effect, need on detonation element, to install a power-assembling shell additional, more make complete processing require high, structure complicated.
The objective of the invention is to avoid above-mentioned the deficiencies in the prior art part and a kind of simple in structure, handling ease, with low cost and security good, the simple flying-piece auget without detonating agent of reliable effect is provided.
Purpose of the present invention can reach by following measure:
Simple flying-piece auget without detonating agent of the present invention, characteristics are to have one to be fastened on the detonation element that the pyrophoric body in the pipe constitutes by the sealing plug that is provided with on interior pipe, the high explosive that plays initiation and the inner tube opening end in the shell aperture end; The quilt of filling is sent out powder charge upper end and is coated with a paper washer at the bottom of shell, forms a cavity to guarantee the detonation element bottom between powder charge with being sent out, make when igniting in the pipe bottom form film flying, with very high velocity shock and ignite by a powder charge.
The invention provides the foolproof high explosive that helps of a kind of structure and change the safety detonator without priming explosive of detonation into from burning, it has the good technical performance effect.This is because after pyrophoric body is lighted, and has just lighted the high explosive of its filling in interior pipe immediately.Because interior pipe has certain constraint (non-strong constraint) power, can guarantee that then the products of combustion of starting stage and heat do not scatter and disappear, to quicken the speed of response of high explosive.Because interior pipe lower cavity place resistance minimum, therefore, the bottom of interior pipe at first is broken, form the metal fragmentation, under high temperature, high pressure gas effect, it has obtained acceleration during by cavity, this metal film flying and shockwave pass paper washer with very high speed, act on and sent out on three times medicines of powder charge, ignites two times medicines and head, reach the full capsular purpose of ignition all over medicine.
The present invention is than prior art is simple in structure, safe and reliable, brisance is big, delay precision is high, and it can adopt common, the most cheap shell material and explosive, and tube wall is thin, cost is low.It can also maximally utilise traditional capsular part and tooling, makes general factory not need to do big change on the existing processes basis and just can change the line of production, very convenient, the safety of processing powder charge.The present invention is applicable to and makes various 8
#, 6
#Detonator.
The present invention has the following drawings:
Fig. 1 is a kind of paper shell short electric detonator sectional view;
Fig. 2 is a kind of flat interior pipe sectional view;
Fig. 3 is a pipe sectional view in a kind of cumulative tapered bottom;
Fig. 4 is a pipe sectional view in a kind of outer sunken bottom;
Fig. 5 is for managing sectional view a kind of having in the round trench bottom;
Fig. 6 is the short delay detonator sectional view of the non-electric initiation of a kind of paper shell;
Fig. 7 is a kind of paper shell plain detonator sectional view;
Fig. 8 is a kind of millisecond delay electric detonator sectional view of metal shell.
Below in conjunction with accompanying drawing embodiment of the present invention is described in detail.
As shown in Figure 1, simple flying-piece auget without detonating agent of the present invention is sent out a powder charge by shell (11), sealing plug (2), detonation element and quilt and is formed.Characteristics are that detonation element system is made of the pyrophoric body that the sealing plug (2) that is provided with on interior pipe (5), the high explosive (4) that fills in this Guan Zhongqi initiation and inner pipe (5) opening end is fastened on the portfire in the pipe.Being sent out powder charge system is made up of all over powder charge high explosive (10) three times powder charge high explosives (8), two times powder charge high explosives (9) and head.Detonation element is close to shell (11) inwall and is placed in its opening end, and pipe (5) is concordant with two opening end ports of shell (11) in just making.The bottom of this detonation element and quilt are sent out between powder charge a cavity (6), promptly is coated with a paper washer (7) in the upper end of high explosive (8), and it is used for fixing high explosive (8), is not charged into by high explosive (8) to guarantee cavity (6).Like this, after igniting head (3) energising is lighted, in interior pipe (5), just lighted high explosive (4) immediately.Because interior pipe (5) lower cavity (6) is located the resistance minimum, therefore, the bottom of interior pipe (5) at first is broken, form the metal fragmentation, this metal film flying has obtained acceleration by cavity (6) time, pass paper washer (7) with shockwave with very high speed, acts on to be sent out on three times medicine high explosives of powder charge (8), ignite high explosive (9) and high explosive (10), reach and ignite full capsular purpose.
What the powder charge of simple flying-piece auget without detonating agent of the present invention was used is existing various high explosive, as Tai'an, hexogen, octogen, 662 etc.High explosive (4), high explosive (8) and high explosive (9) can be a kind of high explosives, also can be the mixtures of two or more high explosive.Electrostatic effect when reducing charging explosive in detonator is improved reaction effect, improves the utilization ratio of explosive energy, shortens combustion time, and it can also be high explosive and tackiness agent or and the mixing granulation body of low sensitivity pyrotechnics composition.If production Permitted Detonator for Coal Mining safety detonator, if at head all over a spot of flame-cooling agent of adding in the medicine high explosive (10), just flame reduces can make detonation of the present invention the time.If shell is made with metal, can not adorn high explosive (9), become 6
#The allowed for use in coal mines safety detonator.If make 6
#Detonator can only load high explosive (8), high explosive and (10).
The interior pipe (5) that constitutes detonation element of the present invention is to force burning to be quickened under relative restraint, and it allows distortion, breaks, thereby can adopt thin-wall case.It can be a metal, also can be nonmetal.As copper, multiple copper, steel, iron, aluminium, rigid plastics etc.Its bottom shape can be made as shown in Figure 2 flat, also can make cumulative tapered bottom as shown in Figure 3, can also make outer sunken bottom as shown in Figure 4, can also make round trench bottom as shown in Figure 5.
The present invention does not have particular requirement to the intensity of shell (11), and it can be similar to the outer hull specification of traditional capsular, even more thinner.It can be with metal or nonmetal making, as select for use making such as copper, multiple copper, aluminium, steel, iron, plastics, paper all can reach ideal effect.
Simple flying-piece auget without detonating agent of the present invention is short from lighting the time compole that transfers detonation to, the delay precision height, thereby can be suitable for various sparking mode, and promptly be not only applicable to electrical detonator, also be applicable to other on-electric detonator.Enumerate the simple flying-piece auget without detonating agent of the different portfires of some employings below.
Figure 1 shows that a kind of paper shell short electric detonator.Its portfire can be with existing various point of amorce, also the medicine head of available various non-primings.Point of amorce (3) can remove, and directly lights high explosive (4) with the bridge silk, can also load a spot of priming charge at bridge silk position, in order to improve ignition ability.
Figure 6 shows that the short delay detonator of the non-electric initiation of a kind of paper shell.Nonel tube (12) or gas primacord (12) can pass sealing plug (2) bayonet socket and be fixed in the interior pipe (5), and the cumulative taper is made in the capsular bottom.Its ignition principle is, after the explosive in the nonel tube (12) or mixed combustible gas body were ignited from fire point, detonation wave reached high explosive (4), has ignited it, produces high temperature and high pressure gas, produces the high-speed motion of film flying.
Figure 7 shows that a kind of paper shell plain detonator.At opening end card one sealing plug (2) of interior pipe (5), starting mix (14) is housed in the middle of the sealing plug (2).The pipe top was positioned in the shell (11) in safety fuse (13) was inserted in.When safety fuse flame passed to starting mix (14), starting mix (14) was ignited, and lighted high explosive (4) subsequently, caused detonator then.Starting mix (14) and sealing plug (2) can also remove, and safety fuse directly can be stuck in interior pipe (5) top, can transmit flame effectively again by sealed inner tube.
Figure 8 shows that a kind of millisecond delay electric detonator of metal shell, its bayonet socket in the sealing plug of inserting interior pipe (5) (2) is fixed with delay powder (15).If delay powder (15) adopts the multicore lead pipe, be reliable ignition high explosive (4), can between delay powder (15) and high explosive (4), add a spot of ignition powder (16).As the delay powder of selecting for use (15) ignition ability is enough strong, and priming charge (16) can save.In the upper end of detonation element, still there is a priming charge head (3) to lean on the fixing of another sealing plug (2), be suspended in the top of its shaft core position.After igniting head (3) energising is lighted, the delay powder that ignites (15), through behind the certain hour, the flame of delay powder (15) high explosive (4) that just ignites.Defer time length can be controlled by pharmacy variety, length and the density of delay powder (15).Portfire can be electric ignition, also can right and wrong electricity primacord or gas primacord.
Claims (3)
1, simple flying-piece auget without detonating agent, send out a powder charge by shell (11), sealing plug (2), detonation element and quilt and form, it is characterized in that the detonation element that in shell (11) opening end, has to be fastened on pyrophoric body (3) formation in the pipe by the sealing plug (2) that is provided with on interior pipe (5), the high explosive (4) that plays initiation and inner pipe (5) opening end; Along shell (11) at the end the quilt of filling send out powder charge upper end and be coated with a paper washer (7), form a cavity (6) between powder charge to guarantee the detonation element bottom and to be sent out, make formation film flying in interior pipe (5) bottom when igniting, sent out a powder charge with very high velocity shock and ignition.
2, simple flying-piece auget without detonating agent according to claim 1 is characterized in that being sent out powder charge is formed by high explosive (8), high explosive (9) and high explosive (10) filling, if make No. 6 detonators, can only load high explosive (8), high explosive (10); Be high explosive and tackiness agent or the mixing granulation body of low sensitivity pyrotechnics composition in case of necessity; High explosive (8), high explosive (9) can be identical with high explosive (4); If add flame-cooling agent, promptly constitute the Permitted Detonator for Coal Mining detonator in the high explosive (10).
3, simple flying-piece auget without detonating agent according to claim 2 is characterized in that the bottom of interior pipe (5) is flat, or the cumulative tapered bottom, or outer sunken bottom be the circle trench bottom, interior pipe (5) is a thin-wall case, available metal or rigid plastics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87106394 CN1010124B (en) | 1987-09-22 | 1987-09-22 | Simple flying-piece auget without detonating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87106394 CN1010124B (en) | 1987-09-22 | 1987-09-22 | Simple flying-piece auget without detonating agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1032234A CN1032234A (en) | 1989-04-05 |
| CN1010124B true CN1010124B (en) | 1990-10-24 |
Family
ID=4815684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87106394 Expired CN1010124B (en) | 1987-09-22 | 1987-09-22 | Simple flying-piece auget without detonating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1010124B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513987C (en) * | 2007-01-26 | 2009-07-15 | 中国科学技术大学 | Detonator excimer and detonator therewith |
| CN102153427B (en) * | 2010-12-17 | 2012-07-25 | 雅化集团绵阳实业有限公司 | Excitation powder of flying plate type electric detonator without detonating powder |
| CN102435109A (en) * | 2011-10-21 | 2012-05-02 | 中国科学技术大学 | Laser initiation flyer type initiating explosive-free detonator |
| CN103424039B (en) * | 2012-05-15 | 2015-04-01 | 侯莛俊 | Soil-loosening mine special for afforestation |
| CN103673797B (en) * | 2012-09-06 | 2016-02-03 | 北京理工大学 | A kind of Mini-type detonation train |
| CN103134396A (en) * | 2013-02-27 | 2013-06-05 | 中国科学技术大学 | Indent detonator excitation device and detonator using it |
| CN105157483B (en) * | 2015-10-23 | 2017-03-22 | 中北大学 | Separated-type detonating device |
| CN105605998A (en) * | 2016-01-18 | 2016-05-25 | 中国科学技术大学 | Explosion diode |
| CN109059669B (en) * | 2018-11-01 | 2023-09-08 | 山西壶化集团股份有限公司 | Device for improving delay accuracy of detonating tube detonator |
| CN110487135A (en) * | 2019-09-09 | 2019-11-22 | 中国科学技术大学 | Permitted Detonator for Coal Mining electric detonator |
| CN115784825B (en) * | 2022-12-26 | 2023-08-11 | 山东泰山民爆器材有限公司 | Fly sheet detonator with built-in cavity |
-
1987
- 1987-09-22 CN CN 87106394 patent/CN1010124B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1032234A (en) | 1989-04-05 |
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