CN104132590B - Safe initiation tool - Google Patents
Safe initiation tool Download PDFInfo
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- CN104132590B CN104132590B CN201410378584.6A CN201410378584A CN104132590B CN 104132590 B CN104132590 B CN 104132590B CN 201410378584 A CN201410378584 A CN 201410378584A CN 104132590 B CN104132590 B CN 104132590B
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- core body
- detonator
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- priming
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Abstract
The present invention relates to a kind of safe initiation tool, belong to explosive technical field.The present invention by the dividing plate formed as one with injection core body and the design of lower cavity thereof, the structural design to core body gland, and achieves the high intrinsic safety of detonation tool and good manufacturability to the design of detonator anti-drop device.In addition, this detonation tool or a kind of multi-functional explosive being applicable to the multiple detonation mode of various and primacord.
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 by housing, detonate main charge, primary explosive column etc. three part form, product has a detonator hole and a wire guide, primary explosive column is excited by the detonator in detonator hole when exciting, recur quick-fried main charge, reach the effect of detonation tool entirety blast, thus ignition desensitized explosive, make it reach the effect of steady detonation very soon.
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 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 and is cast in by main charge in papery housing that metal die coordinates; cause product cooling to move back mould time length, move back the increase of mould unsafe factor; serious have impact on production efficiency, and 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: the detonation tool product how designing 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 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 be priming 4 above described dividing plate 9, 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 one, any two, or three; If injection core body 2 is provided with wire guide 6, then 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 surrounding sockets for collecting energy 7 contacts with housing 1.
Preferably, if injection core body 2 is provided with the first detonator hole and/or the second detonator hole, be then provided with detonator anti-drop device 11 in the first detonator hole and/or the second detonator hole.
Preferably, 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 detonator string holes, and side has the tapering of 1 ~ 5 degree.
Preferably, the one side that described core body gland 12 contacts with priming 4 has projection.
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 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 most long portion 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 by the dividing plate formed as one with injection core body and the design of lower cavity thereof, the structural design to core body gland, and achieves high security and the manufacturability of detonation tool to the design of detonator anti-drop device.In addition, this detonation tool or a kind of multi-functional explosive of multiple detonation mode being applicable to various detonator, primacord.
Accompanying drawing explanation
Fig. 1 is the forward sectional view of the embodiment of the present invention;
Fig. 2 is the injection core body forward sectional view of the embodiment of the present invention;
Fig. 3 is the injection core body upward view of the embodiment of the present invention.
Detailed description of the invention
For making object of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, embodiments provide 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 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 be priming 4 above described dividing plate 9, below is cavity 10.In prior art, usually non-explosivity filler (being a kind of flame proof material) is installed for 4 times additional at priming, this non-explosivity filler is removed in the present invention, such priming becomes cavity 10 4 times, not only reduce the cost installing non-explosivity filler additional, also cut and installed non-explosivity filler operation additional, shorten the production time, improve the security in production process, detonation tool cost is reduced, technique simplifies, production process has more manufacturability, the more important thing is, after removing non-explosivity filler, cavity 10 below priming 4 is equivalent to the height of burst of a formation cumulative shape, the safety factor that detonates of priming itself can not only be improved like this, improve the coefficient that detonates of blast hole charging medicine below cavity simultaneously, improve the performance of detonating of detonation tool entirety.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, fixes insertion two detonator holes, when any one detonator normally acts on, can reach 100% propagation of explosion after two detonators are each passed through wire guide.This through hole wire guide can also adopt common primacord, low energy fuse safety 100% to detonate.Finally integrate one or more detonation modes of various detonator, primacord; The space that described injection core body 2 bottom inside surrounds is as sockets for collecting energy 7, and injection core body 2 position surrounding sockets for collecting energy 7 contacts with housing 1.Described sockets for collecting energy 7 is taper, spherical, or cylindrical structural, the effect that energy is assembled again can be played in the initiation process of product, the type of selecting of sockets for collecting energy 7 can determine according to the feature such as geology, landform of user's requirement or explosion type and bursting work, and the size of sockets for collecting energy is according to decisions such as the appearance and sizes of product.In said structure, it should be noted that, injection core body 2 established the first detonator hole, the second detonator hole, and in wire guide 6 three any one, any two also can realize.
Detonator anti-drop device 11 is provided with in first detonator hole and/or the second detonator hole.Described detonator anti-drop device 11 structure is circular platform type, upper surface area is less than lower surface area, and is provided with detonator string holes, and side has the tapering of 1 ~ 5 degree, detonator anti-drop device 11 material can be rubber etc., and its height can require to change according to different cap length.In prior art, detonation tool detonator hole does not have detonator anti-drop device, in production, storage, transportation, detonator hole 5 is easily blocked by impurity, and inconvenience is inserted detonator or affected detonator propagation of explosion quality, when after insertion detonator, likely occur in use procedure that detonator comes off detonator hole, cause detonation tool not detonate, the detonator anti-drop device 11 that the present invention installs came off after both can having prevented detonator from inserting, and can prevent again has foreign matter to enter and block detonator hole before not placing detonator; And detonator anti-drop device 11 can be utilized to regulate the assembly space such as plain detonator, Ao Ruikai detonator, improve the reliability of safe handling, further, because detonator anti-drop device 11 structure carries tapering, be easy to insert in detonator hole, and detonator can be made again to be close to priming, make priming more easily by blasting cap initiation, increase blasting cap initiation rate.
The one side that described core body gland 12 contacts with priming 4 has projection.In prior art, priming core body gland is plane cover, in product storage and transportation, due to natural packing and vibration cause, easily there is space in priming top, its density is declined, and then affects the Detonation Initiation Effect of detonation tool, in use, transportation, priming jolts, rubbing easily produces electrostatic, increases the danger of detonation tool simultaneously.The present invention is by after core body gland 12 envisaged underneath projection, can by priming 4 compacting by the bossing of core body gland 12, relatively increase the density of priming 4, and then (increase of priming 4 density improves explosion velocity and the acting ability of priming 4, is conducive to the explosion property playing priming 4 to create a series of continuous effect.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 transport and use procedure.Further, the total height of described core body gland 12 is designed to 2 ~ 10mm, the height of described projection is designed to account for 40 ~ 60% of described total height, and under this Proportionality design, the density of priming 4 reaches optimum value, thus security can reach best.
Described 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, improve percentage of initiation and the detonation propagation reliability of nonel tube of product; Described injection core body 2 entirety is cylindrical shape, and 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 most long portion position external diameter is 20 ~ 80mm.Under this size condition, priming 4 weight can reach 8 ~ 40g, adopts 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 detonation tool tool designed by the present invention has the following advantages:
1, intrinsic safety:
(1) detonation tool note dress product is and main charge is cast on metal die cooling again and moves back the technique of mould 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 occurred in mold process is stressed to come off and the factor such as die deformation and the product percent defective that causes improves.Two, product to move back in mold process inevitable with colliding with, the unsafe factor such as shock, and finished product is in use because the factors such as detonator hole wall is rough improve the danger inserted in detonator process.The detonation tool that the present invention provides does not need when producing to use injection mould, priming 4 is loaded in injection core body 2, after covering core body gland 12, cast directly over by main charge 3 in housing 1, after main charge 3 casting complete, namely cover lid 8 becomes finished product, vanning after cooling, operator will save cooling and move back die process and time, effectively enhance productivity, and fundamentally solve the unsafe factor in production.
(2) priming in the past in detonation tool and main charge are exposed, and when after insertion detonator or primacord, detonator directly contacts with main charge with priming.Use the structure that the present invention provides, after insertion detonator or primacord, the not direct contact firing medicine of detonator and main charge, improve 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, easily there is space in priming top, in use, transportation, priming jolts, rubbing easily produces electrostatic, increases the danger of detonation tool simultaneously.After the present invention's change, can, by priming compacting, make detonation tool safer in transport and use procedure by the ledge of core body gland.
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 easily occurs space, and its density is declined.And then affect the Detonation Initiation Effect of detonation tool.After the present invention's change, can by priming compacting by the ledge of core body gland, relatively increase the density of priming, and then (priming density ground increases the explosion velocity and the acting ability that improve priming, is conducive to the explosion property playing priming to create a series of continuous effect.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) after removing non-explosivity filler, become cavity below priming, be equivalent to the height of burst in a formation hole, many times improve the cumulative effect of detonating.The safety factor that detonates of priming itself can not only be improved like this, improve the coefficient that detonates of blast hole charging medicine below cavity simultaneously, improve the performance of detonating of detonation tool entirety.
3, manufacturability:
(1) detonation tool note dress product is and main charge is cast on metal die cooling again and moves back the technique of mould in the past, owing to moving back detonator hole shrinkage cavity that the mould time occurs too early, moves back that the main charge occurred in mold process is stressed to come off and the factor such as die deformation and the product percent defective that causes improves.The detonation tool that the present invention provides changes by injection core body, does not need injection mould, and namely directly poured into a mould by main charge becomes finished product in housing.Improve the product qualified rate of product, eliminate cooling simultaneously and move back die process and time, effectively improve production efficiency, make product have more manufacturability.
(2) past installs non-explosivity filler additional under priming, the present invention remove initiation system every tablet, injection core body directly injects plastic septum.Both served the effect supporting and seal priming, and be provided with the height of burst again, also eliminate non-explosivity filler, under such priming, become cavity.Decrease the cost installed additional every tablet and non-explosivity filler, cut operation, shortened the production time, improve the security in production process.Make the reduction of detonation tool cost, technique simplification, production process has more manufacturability.
4, water-resistance:
Detonation tool priming did not have hermetically-sealed construction to seal in the past.Such detonation tool ratio is easier to humidity, after meeting water, the performance of detonating of detonation tool is lowered greatly, even miss-fires.Priming entirety 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 blocked by impurity, and inconvenience is inserted detonator or affected detonator propagation of explosion quality.When after insertion detonator, in use procedure, likely occur that detonator comes off detonator hole, causes detonation tool not detonate.The present invention has installed detonator anti-drop device, comes off after both can having prevented detonator from inserting, and can prevent again has foreign matter to enter and block detonator hole before not placing detonator; And detonator anti-drop device can be utilized to regulate the assembly space 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, improves 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, fixes insertion two detonator holes, when any one detonator normally acts on, can reach 100% propagation of explosion after two detonators are each passed through wire guide.This through hole wire guide can also adopt common primacord, low energy fuse safety 100% to detonate.Finally integrate one or more detonation modes of various detonator, primacord.There is the features such as high density, high-power, water-resistance is good, safe, the reliable initiation of all kinds of desensitized explosives under realizing various weather conditions, 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, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (5)
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 injection core body (2), described main charge (3) is positioned at the space surrounded 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) and dividing plate (9) form as one, injection core body (2) directly injects plastic septum (9), described dividing plate (9) top is priming (4), below is cavity (10), and there is no non-explosivity filler, described cavity (10) is equivalent to the height of burst of a formation cumulative shape;
Described injection core body (2) is provided with: the first detonator hole, the second detonator hole, and in wire guide (6) three any one, any two, or three; If injection core body (2) is provided with wire guide (6), then 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 surrounding sockets for collecting energy (7) contacts with housing (1); If injection core body (2) is provided with the first detonator hole and/or the second detonator hole, be then provided with detonator anti-drop device (11) in the first detonator hole and/or the second detonator hole;
The one side that described core body gland (12) contacts with priming (4) has projection, and make priming (4) act on main charge (3), main charge (3) acts on blast hole charging medicine.
2. safe initiation tool as claimed in claim 1, it 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 detonator string holes, and side has the tapering of 1 ~ 5 degree.
3. safe initiation tool as claimed in claim 1, it 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 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, the total height of described injection core body (2) is 75 ~ 200mm, maximum outside diameter is 45 ~ 120mm, and most long portion position external diameter is 20 ~ 80mm.
4. safe initiation tool as claimed in claim 1, it is characterized in that, described injection core body (2) is identical with the material of core body gland (12), is conducting electrostatic materials, the material of described housing (1) is papery, plastics, or conducting electrostatic materials.
5. the safe initiation tool according to any one of Claims 1 to 4, is characterized in that, described sockets for collecting energy (7) is taper, spherical, or cylindrical structural.
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| 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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| CN104132590B true CN104132590B (en) | 2016-03-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106568348B (en) * | 2016-10-21 | 2017-12-22 | 辽宁庆阳民爆器材有限公司 | Double containment formula of safe initiation has |
| 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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| CN1589390A (en) * | 2001-11-21 | 2005-03-02 | 大赛璐化学工业株式会社 | Initiator assembly |
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| CN201225856Y (en) * | 2008-05-08 | 2009-04-22 | 山东银光科技有限公司 | Detonation tool capable of preventing lightning arresting pipe from desquamation |
| CN201413083Y (en) * | 2009-05-22 | 2010-02-24 | 山东北方民爆器材有限公司 | Primer stopping and priming part for seismic explosive column |
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