CN104132590A - Safe primer - Google Patents
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- CN104132590A CN104132590A CN201410378584.6A CN201410378584A CN104132590A CN 104132590 A CN104132590 A CN 104132590A CN 201410378584 A CN201410378584 A CN 201410378584A CN 104132590 A CN104132590 A CN 104132590A
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- priming
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Abstract
The invention discloses a safe primer, and belongs to the technical field of explosion apparatuses. Due to the design of a partition plate integrated with a gunpowder injecting core body and a cavity below the partition plate, the structure design of a core body gland, and the design of a detonator anti-disengaging device, high-quality safety and good manufacturability of the primer are achieved. In addition, the primer is a multifunctional explosion apparatus which is suitable for multiple detonation methods of detonating fuses and other apparatuses.
Description
Technical field
The present invention relates to explosive technical field, be specifically related to a kind of safe initiation tool.
Background technology
Detonation tool structure of the prior art is comprised of three parts such as housing, the main charge that detonates, primary explosive columns, product has a detonator hole and a wire guide, when exciting, by the detonator in detonator hole, excite primary explosive column, quick-fried main charge recurs, reach the effect of the whole blast of detonation tool, thereby ignition desensitized explosive, makes it reach very soon the effect of steady detonation.
Because detonation tool product requirement has the features such as degree of packing is high, sensitivity to initiation is high, explosion velocity is high, power is large, therefore the main charge that detonates of detonation tool product is all to mix with two kinds of high explosives, and the main charge itself that detonates will have cap-sensitivity, cause product cost very high.Existing detonation tool note dress product is main charge is cast in the papery housing of metal die cooperation; cause product cooling move back the mould time long, move back mould unsafe factor and increase; serious impact production efficiency, number of molds far can not meet the demand of large-scale production.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: detonation tool product how to design the high and low cost of a kind of safety.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of safe initiation tool, comprising: housing 1, injection core body 2, main charge 3, priming 4, dividing plate 9 and core body gland 12;
Described housing 1 is enclosed within on injection core body 2, and in the space that described main charge 3 surrounds between housing 1 and injection core body 2, described priming 4 is contained in injection core body 2, and described core body gland 12 is pressed in the top end opening position of injection core body 2;
Described injection core body 2 forms as one with dividing plate 9, and described dividing plate 9 tops are priming 4, and below is cavity 10;
Described injection core body 2 is provided with: the first detonator hole, the second detonator hole, and in wire guide 6 threes any, any two, or three; If injection core body 2 is provided with wire guide 6, described wire guide 6 penetrates the through hole of housing 1 for upper end;
The space that described injection core body 2 bottom inside surround is as sockets for collecting energy 7, and injection core body 2 positions that surround sockets for collecting energy 7 contact with housing 1.
Preferably, if injection core body 2 is provided with the first detonator hole and/or the second detonator hole, in the first detonator hole and/or the second detonator hole, be provided with detonator anti-drop device 11.
Preferably, described detonator anti-drop device 11 structures are circular platform type, and upper surface area is less than lower surface area, and is provided with thunder pipeline hole, and side has the tapering of 1～5 degree.
Preferably, described core body gland 12 has projection with the one side that priming 4 contacts.
Preferably, the total height of described core body gland 12 is 2～10mm, and the height of described projection accounts for 40～60% of described total height; Described the first detonator hole and/or the second detonator hole are the blind hole of the degree of depth 60～110mm; Described core body gland 12 end faces are 65～180mm to the height of injection core body 2 bottom surfaces, and the total height of described injection core body 2 is 75～200mm, and maximum outside diameter is 45～120mm, and the longest position external diameter is 20～80mm.
Preferably, described injection core body 2 is identical with the material of core body gland 12, is conducting electrostatic materials, and the material of described housing 1 is papery, plastics, or conducting electrostatic materials.
Preferably, described sockets for collecting energy 7 is taper, spherical, or cylindrical structural.
(3) beneficial effect
The present invention is by the dividing plate forming as one with injection core body and the design of lower cavity thereof, the structural design to core body gland, and the high security and the manufacturability that the design of detonator anti-drop device have been realized to detonation tool.In addition, this detonation tool or a kind of multi-functional explosive that is applicable to the multiple detonation mode of various detonators, primacord.
Accompanying drawing explanation
Fig. 1 is the forward cutaway view of the embodiment of the present invention;
Fig. 2 is the injection core body forward cutaway view of the embodiment of the present invention;
Fig. 3 is the injection core body upward view of the embodiment of the present invention.
The specific embodiment
For making object of the present invention, content and advantage clearer, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of safe initiation tool, comprising: housing 1, injection core body 2, main charge 3, priming 4, dividing plate 9 and core body gland 12;
Described housing 1 is enclosed within on injection core body 2, and in the space that described main charge 3 surrounds between housing 1 and injection core body 2, described priming 4 is contained in injection core body 2, and described core body gland 12 is pressed in the top end opening position of injection core body 2;
As shown in Figure 2 and Figure 3, described injection core body 2 forms as one with dividing plate 9, and described dividing plate 9 tops are priming 4, and below is cavity 10.In prior art, conventionally at priming, install non-explosivity filler (being a kind of flame proof material) for 4 times additional, in the present invention, remove this non-explosivity filler, priming becomes cavity 10 4 times like this, not only reduced the cost that installs non-explosivity filler additional, also cut and installed non-explosivity filler operation additional, shortened the production time, improved the security in production process, make detonation tool cost, work simplification, production process has more manufacturability, the more important thing is, remove after non-explosivity filler, priming 4 cavity 10 is below equivalent to form the height of burst of a cumulative shape, can not only improve like this safety factor that detonates of priming itself, improved the coefficient that detonates of cavity below blast hole charging medicine simultaneously, improved the performance of detonating of detonation tool integral body.In addition, described injection core body 2 is also provided with: the first detonator hole, the second detonator hole (the two is referred to as detonator hole 5), and wire guide 6; Described wire guide 6 penetrates the through hole of housing 1 for upper end, and two detonators insert two detonator holes through fixing after wire guide respectively, when any one detonator normally acts on, can reach 100% propagation of explosion.This through hole wire guide can also adopt common primacord, low energy fuse safety 100% to detonate.One or more detonation modes that finally integrate various detonators, primacord; The space that described injection core body 2 bottom inside surround is as sockets for collecting energy 7, and injection core body 2 positions that surround sockets for collecting energy 7 contact with housing 1.Described sockets for collecting energy 7 is taper, spherical, or cylindrical structural, in the initiation process of product, can play the effect that energy is assembled again, the type of selecting of sockets for collecting energy 7 can be according to feature decisions such as the geology of user's requirement or explosion type and bursting work, landform, and the size of sockets for collecting energy is according to the decisions such as appearance and size of product.In said structure, it should be noted that, on injection core body 2, establish the first detonator hole, the second detonator hole, and in wire guide 6 threes any, any two also can realize.
In the first detonator hole and/or the second detonator hole, be provided with detonator anti-drop device 11.Described detonator anti-drop device 11 structures are circular platform type, upper surface area is less than lower surface area, and is provided with thunder pipeline hole, and side has the tapering of 1～5 degree, detonator anti-drop device 11 materials can be rubber etc., and its height can require to change according to different cap lengths.In prior art, detonation tool detonator hole does not have detonator anti-drop device, in production, storage, transportation, detonator hole 5 is easily stopped up by impurity, and inconvenience is inserted detonator or affected detonator propagation of explosion quality, after inserting detonator, in use procedure, likely there is the detonator detonator hole that comes off, cause detonation tool not detonate, the detonator anti-drop device 11 that the present invention installs both can prevent from coming off after detonator from inserting, and can prevent from again having foreign matter to enter and stop up detonator hole before not placing detonator; And can utilize detonator anti-drop device 11 to regulate the assembly spaces such as plain detonator, Ao Ruikai detonator, improve the reliability of safe handling, further, because detonator anti-drop device 11 structures carry tapering, be easy to insert in detonator hole, and can make again detonator be close to priming, and make priming more easily by blasting cap initiation, increase blasting cap initiation rate.
Described core body gland 12 has projection with the one side that priming 4 contacts.In prior art, priming core body gland is plane cover, in product storage and transportation, due to natural packing and vibration cause, priming top is prone to space, and its density is declined, and then affects the Detonation Initiation Effect of detonation tool, while priming in use, transportation jolts, rubs and easily produces static, has increased the danger of detonation tool.The present invention is by after core body gland 12 below design projections, bossing by core body gland 12 can be by priming 4 compactings, relatively increased the density of priming 4, and then (increase of priming 4 density has improved explosion velocity and the acting ability of priming 4, is conducive to bring into play the explosion property of priming 4 to have produced a series of continuous effects.Priming 4 acts on main charge 3, and main charge 3 acts on blast hole charging medicine, makes the explosion property of each link explosive perform to ultimate attainment), meanwhile, make detonation tool safer in transportation and use procedure.Further, the total height of described core body gland 12 is designed to 2～10mm, the height design of described projection is to account for 40～60% of described total height, and under this Proportionality design, the density of priming 4 reaches optimum value, best thereby security can reach.
Described the first detonator hole and/or the second detonator hole are the blind hole of the degree of depth 60～110mm, once can use at most two detonators, have improved percentage of initiation and the detonation propagation reliability of nonel tube of product; Described injection core body 2 integral body are cylindrical shape, and described core body gland 12 end faces are 65～180mm to the height of injection core body 2 bottom surfaces, and the total height of described injection core body 2 is 75～200mm, and maximum outside diameter is 45～120mm, and the longest position external diameter is 20～80mm.Under this size condition, priming 4 weight can reach 8～40g, adopt the single chmical compound explosive of high sensitivity.Main charge 3 is composite explosives.
Described injection core body 2 is identical with the material of core body gland 12, is conducting electrostatic materials, and the material of described housing 1 is papery, plastics, or conducting electrostatic materials.
Can find out, compared with prior art, the designed detonation tool tool of the present invention has the following advantages:
1, intrinsic safety:
(1) detonation tool note dress product is main charge is cast on metal die to cooling technique of moving back mould more in the past, and its shortcoming is: one, owing to moving back detonator hole shrinkage cavity that the mould time occurs too early, move back that the main charge occurring in mold process is stressed to come off and product percent defective that the factor such as die deformation causes improves.Two, product in moving back mold process, must follow collide with, the unsafe factor such as shock, and finished product in use inserts the danger in detonator process because the factors such as detonator hole wall is rough have improved.The detonation tool that the present invention provides does not need to use injection mould while producing, priming 4 is packed in injection core body 2, cover after core body gland 12, main charge 3 is cast directly in housing 1, and after main charge 3 casting completes, covering lid 8 becomes finished product, cooling rear vanning, operator will save cooling moving back die process and time, effectively enhance productivity, and fundamentally solve the unsafe factor in producing.
(2) priming and the main charge in detonation tool is exposed in the past, and after inserting detonator or primacord, detonator directly contacts with main charge with priming.The structure of using the present invention to provide, after inserting detonator or primacord, the not direct contact firing medicine of detonator and main charge, improved detonation tool intrinsic safety in use.
(3) priming core body gland is plane cover in the past, in product storage and transportation, due to natural packing and vibration cause, priming top is prone to space, while priming in use, transportation jolts, rubs and easily produces static, has increased the danger of detonation tool.After the present invention change, the ledge by core body gland can, by priming compacting, make detonation tool safer in transportation and use procedure.
2, the performance of detonating of detonation tool:
(1) priming core body gland is plane cover in the past, and in product storage and transportation, due to natural packing and vibration cause, priming top is prone to space, and its density is declined.And then affect the Detonation Initiation Effect of detonation tool.After the present invention's change, ledge by core body gland can be by priming compacting, relatively increased the density of priming, and then (priming density ground increases explosion velocity and the acting ability that has improved priming, is conducive to bring into play the explosion property of priming to have produced a series of continuous effects.Priming acts on main charge, and main charge acts on blast hole charging medicine, makes the explosion property of each link explosive perform to ultimate attainment).
(2) remove after non-explosivity filler, become cavity below priming, be equivalent to form the height of burst in a hole, many times have been improved the cumulative effect of detonating.Can not only improve like this safety factor that detonates of priming itself, improve the coefficient that detonates of cavity below blast hole charging medicine simultaneously, improve the performance of detonating of detonation tool integral body.
3, manufacturability:
(1) detonation tool note dress product is main charge is cast on metal die to cooling technique of moving back mould more in the past, owing to moving back detonator hole shrinkage cavity that the mould time occurs too early, move back that the main charge occurring in mold process is stressed to come off and product percent defective that the factor such as die deformation causes improves.The detonation tool that the present invention provides changes by injection core body, does not need injection mould, directly main charge is poured into a mould in housing and is become finished product.Improved the product qualified rate of product, saved cooling moving back die process and time simultaneously, effectively improved production efficiency, made product have more manufacturability.
(2) past is installed non-explosivity filler additional under priming, the present invention remove initiation system every tablet, on injection core body, directly inject plastic septum.Both play the effect of supporting and seal priming, be provided with again the height of burst, also removed non-explosivity filler, under priming, become cavity like this.Reduce the cost installing additional every tablet and non-explosivity filler, cut operation, shortened the production time, improved the security in production process.Make detonation tool cost, work simplification, production process has more manufacturability.
4, water-resistance:
Detonation tool priming did not have hermetically-sealed construction sealing in the past.Detonation tool ratio is easier to humidity like this, meets after water, and the performance of detonating of detonation tool is lowered greatly, even miss-fires.Priming integral body after the structure finished product that the present invention provides all, in hermetically sealed plastic casing, makes detonation tool have high waterproof.
5, detonator hole shutoff:
Detonation tool detonator hole did not have detonator anti-drop device in the past.In production, storage, transportation, detonator hole is easily stopped up by impurity, and inconvenience is inserted detonator or affected detonator propagation of explosion quality.After inserting detonator, in use procedure, likely there is the detonator detonator hole that comes off, cause detonation tool not detonate.The present invention has installed detonator anti-drop device, both can prevent from coming off after detonator from inserting, and can prevent from again having foreign matter to enter and stop up detonator hole before not placing detonator; And can utilize detonator anti-drop device to regulate the assembly spaces such as plain detonator, Ao Ruikai detonator, improve the reliability of safe handling.This apparatus structure carries tapering, is easy to insert detonator hole.
6, applicability:
The present invention adopts double detonator hole and through hole wire guide structure, once can use at most two detonators, has improved percentage of initiation and the detonation propagation reliability of nonel tube of product, has stopped to cause not detonating of main charge because of detonator misfire rate.Wire guide is a through hole, and two detonators, respectively through two detonator holes of fixing insertion after wire guide, when any one detonator normally acts on, can reach 100% propagation of explosion.This through hole wire guide can also adopt common primacord, low energy fuse safety 100% to detonate.One or more detonation modes that finally integrate various detonators, primacord.There is the features such as high density, high-power, water-resistance be good, safe, can realize under various weather conditions, the reliable initiation of all kinds of desensitized explosives under various detonation mode.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (7)
1. a safe initiation tool, is characterized in that, comprising: housing (1), injection core body (2), main charge (3), priming (4), dividing plate (9) and core body gland (12);
Described housing (1) is enclosed within on injection core body (2), described main charge (3) is positioned at the space surrounding between housing (1) and injection core body (2), described priming (4) is contained in injection core body (2), and described core body gland (12) is pressed in the top end opening position of injection core body (2);
Described injection core body (2) forms as one with dividing plate (9), and described dividing plate (9) top is priming (4), and below is cavity (10);
Described injection core body (2) is provided with: the first detonator hole, the second detonator hole, and in wire guide (6) three any, any two, or three; If injection core body (2) is provided with wire guide (6), described wire guide (6) penetrates the through hole of housing (1) for upper end;
The space that described injection core body (2) bottom inside surrounds is as sockets for collecting energy (7), and injection core body (2) position that surrounds sockets for collecting energy (7) contacts with housing (1).
2. safe initiation tool as claimed in claim 1, is characterized in that, if injection core body (2) is provided with the first detonator hole and/or the second detonator hole, in the first detonator hole and/or the second detonator hole, is provided with detonator anti-drop device (11).
3. safe initiation tool as claimed in claim 2, is characterized in that, described detonator anti-drop device (11) structure is circular platform type, and upper surface area is less than lower surface area, and is provided with thunder pipeline hole, and side has the tapering of 1～5 degree.
4. safe initiation tool as claimed in claim 2, is characterized in that, described core body gland (12) has projection with the one side that priming (4) contacts.
5. safe initiation tool as claimed in claim 4, is characterized in that, the total height of described core body gland (12) is 2～10mm, and the height of described projection accounts for 40～60% of described total height; Described the first detonator hole and/or the second detonator hole are the blind hole of the degree of depth 60～110mm; Described core body gland (12) end face is 65～180mm to the height of injection core body (2) bottom surface, and the total height of described injection core body (2) is 75～200mm, and maximum outside diameter is 45～120mm, and the longest position external diameter is 20～80mm.
6. safe initiation tool as claimed in claim 1, is characterized in that, described injection core body (2) is identical with the material of core body gland (12), is conducting electrostatic materials, and the material of described housing (1) is papery, plastics, or conducting electrostatic materials.
7. the safe initiation tool as described in any one in claim 1～6, is characterized in that, described sockets for collecting energy (7) is taper, spherical, or cylindrical structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378584.6A CN104132590B (en) | 2014-08-04 | 2014-08-04 | Safe initiation tool |
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|---|---|---|---|
| CN201410378584.6A CN104132590B (en) | 2014-08-04 | 2014-08-04 | Safe initiation tool |
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| CN104132590A true CN104132590A (en) | 2014-11-05 |
| CN104132590B CN104132590B (en) | 2016-03-02 |
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| CN201410378584.6A Active CN104132590B (en) | 2014-08-04 | 2014-08-04 | Safe initiation tool |
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Cited By (5)
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| CN105115364A (en) * | 2015-07-27 | 2015-12-02 | 山西江阳兴安民爆器材有限公司 | High-energy detonation tool assembled through obsolete propellant and assembling process of high-energy detonation tool |
| CN106568348A (en) * | 2016-10-21 | 2017-04-19 | 辽宁庆阳民爆器材有限公司 | Double-sealed middle-hollow type safe detonation tool |
| CN109405658A (en) * | 2018-11-26 | 2019-03-01 | 山西江阳兴安民爆器材有限公司 | A kind of structure safe initiation tool and its packaging technology |
| CN110057249A (en) * | 2019-05-30 | 2019-07-26 | 前进民爆股份有限公司 | A kind of Multifunctional primer |
| CN114046691A (en) * | 2021-12-10 | 2022-02-15 | 山西江阳兴安民爆器材有限公司 | Anti-backing detonating tool |
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Cited By (5)
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| CN105115364A (en) * | 2015-07-27 | 2015-12-02 | 山西江阳兴安民爆器材有限公司 | High-energy detonation tool assembled through obsolete propellant and assembling process of high-energy detonation tool |
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| CN109405658A (en) * | 2018-11-26 | 2019-03-01 | 山西江阳兴安民爆器材有限公司 | A kind of structure safe initiation tool and its packaging technology |
| CN110057249A (en) * | 2019-05-30 | 2019-07-26 | 前进民爆股份有限公司 | A kind of Multifunctional primer |
| CN114046691A (en) * | 2021-12-10 | 2022-02-15 | 山西江阳兴安民爆器材有限公司 | Anti-backing detonating tool |
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| CN104132590B (en) | 2016-03-02 |
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