CN206955920U - A kind of overlength delay detonator - Google Patents
A kind of overlength delay detonator Download PDFInfo
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- CN206955920U CN206955920U CN201720648791.8U CN201720648791U CN206955920U CN 206955920 U CN206955920 U CN 206955920U CN 201720648791 U CN201720648791 U CN 201720648791U CN 206955920 U CN206955920 U CN 206955920U
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Abstract
The utility model is related to a kind of extension duration can reach the overlength delay detonator of second and the above.A kind of overlength delay detonator, including primer casing, high explosive powder charge, initiating unit, long delay element, igniter, bayonet socket plug, lead-foot-line are sequentially arranged with from left to right in the primer casing；The long delay element includes long extension body case, and the long extension body case is sequentially arranged with lead delay element, the first tungsten series delay powder, the second tungsten series delay powder, ignition charge from left to right；The high explosive powder charge is second high explosive first time powder charge, high explosive of powder charge successively from left to right.The utility model has the characteristics of extension is long, reliability is high, delay precision is high, technique is simple, safe.
Description
Technical field
A kind of delay detonator is the utility model is related to, more particularly to a kind of extension duration can reach the overlength of 10 seconds and the above
Delay detonator.
Background technology
Delay detonator controls the delay second to measure with delay powder both at home and abroad at present, mostly within 10 seconds, is delayed more than 10 seconds
It yet there are no document announcement.Its reason mainly has two aspects：First, the problem of delay powder itself, transmission speed is slow, and energy is small, combustion
Burning cannot continue to transmit after being delivered to certain time and cutoff, flame just pass to go down, and what is generally said is exactly misfire, is not reached
The purpose of detonating capsule；Second, delay precision is not high, difficult control time, do not reach predetermined requirement, influence engineering explosion effect.
The content of the invention
The purpose of this utility model is to overcome defect present in prior art, there is provided one kind extension time is long, smart
Spend high overlength delay detonator.
To realize object above, the utility model adopts the following technical scheme that：A kind of overlength delay detonator, including outside detonator
Shell, high explosive powder charge, initiating unit, long delay element, igniter, bayonet socket are sequentially arranged with from left to right in the primer casing
Plug, lead-foot-line.
Further, the long delay element includes long extension body case, and the long extension body case fills successively from left to right
There are lead delay element, the first tungsten series delay powder, the second tungsten series delay powder, ignition charge.
Further, the high explosive powder charge is second high explosive first time powder charge, high explosive of dress successively from left to right
Medicine.
Further, the initiating unit is priming DDNP or detonation element.
Further, the igniter is detonator or electric igniter.
Further, particle hexogen is selected in second of powder charge of high explosive, and high explosive first time powder charge is from compacting
Hexogen.
Preferably, the first tungsten series delay powder composition proportion is：Tungsten powder 30%；Barium chromate 56%；Potassium hyperchlorate 9%；Silicon
Diatomaceous earth 5%.
Preferably, the second tungsten series delay powder composition proportion is：Tungsten powder 26%；Barium chromate 60%；Potassium hyperchlorate 9%；Silicon
Diatomaceous earth 5%.
Preferably, the composition of the ignition charge is brown lead oxide.
Preferably, the composition of the ignition charge is：Silica flour and lead orthoplumbate are with 8：2 proportionings.
Preferably, the composition of the ignition charge is：Silica flour and lead orthoplumbate are with 5：3 proportionings.
Preferably, the composition of the ignition charge is：Silica flour and lead orthoplumbate are with 6：2 proportionings.
The utility model uses the charging means of clearance-type, first fills the delay powder that burn rate is fast, flame intensity is big, energy is big,
Then the delay powder that burn rate is slow, energy is small is refilled.Alternately form energy gradient and flame transmits gradient, be allowed to increase and delay
Time.After expected delay is reached, and high speed medicine is loaded on from low speed medicine, makes it there are enough energy to go the quick-fried of percussion detonator
Hong.
The utility model has following good effect compared with prior art：（1）Extension time length, reliability is high, will not produce
Raw misfire phenomenon；（2）Delay precision is high, can be precisely controlled the detonator delay time；（3）Manufacture craft is simple, easily installation；（4）
It is safe, not accident-proneness；（5）Production technology and equipments are identical with general delay detonator, are easy to implement industrialization.
The utility model has the characteristics of extension is long, reliability is high, delay precision is high, technique is simple, safe.
Brief description of the drawings
Fig. 1 is a kind of overlength delay detonator structure diagram.
Fig. 2 is long delay element structure diagram.
In figure：1- bayonet socket plugs；2- igniters；The long delay elements of 3-；4- ignition charges；5- the second tungsten series delay powders；6-
One tungsten series delay powder；7- lead delay elements；8- initiating units；Second of the powder charge of 9- high explosives；10- high explosive first time powder charges；
11- primer casings；12nd, long extension body case.
Embodiment
Embodiment of the present utility model is described in detail below.Embodiment below with reference to accompanying drawing description is exemplary
, it is only used for explaining the utility model, and it is not intended that to limitation of the present utility model.
As shown in figure 1, a kind of overlength delay detonator, including primer casing 11, in the primer casing 11 from left to right according to
It is secondary to delay equipped with high explosive first time powder charge 10, second of powder charge of high explosive 9, initiating unit 8, lead delay element 7, the first tungsten series
Medicine 6, the second tungsten series delay powder 5, ignition charge 4, long delay element 3, igniter 2, bayonet socket plug 1, lead-foot-line.
As shown in Fig. 2 long delay element 3 includes long extension body case 12, the long extension body case 12 is from left to right successively
Equipped with lead delay element 7, the first tungsten series delay powder 6, the second tungsten series delay powder 5, ignition charge 4.
Igniter 2 excites unit to select detonator or electric igniter, igniting dress according to different demands for detonator
The ignition charge 4 in the detonation signal or the long delay element 3 of electric signal detonation outside 2 receiving is put, brown lead oxide can be selected in ignition charge 4,
Ignition charge 4 excites the short delay powder 5 of tungsten series, and the short delay powder 5 of tungsten series reduces detonation rate, produces and be delayed and pass to detonation
First tungsten series delay powder 6, the first tungsten series delay powder 6 further reduce the spread speed of detonation and incited somebody to action after increasing delay second amount
Detonation passes to lead delay element 7, and lead delay element 7 is the arming delay device that general millisecond delay cap uses, and is played in the present invention
Lifting detonation spread speed simultaneously increases the effect of delay second amount, and subsequent lead delay element 7 is by detonation special delivery to initiating unit 8, detonation
Priming DDNP or detonation element can be selected in unit 8（Non-priming detonation element）, initiating unit 8 lifts detonation energy to excite
Second of powder charge of high explosive 9 and high explosive first time powder charge 10, complete the detonation of whole detonator.
Bayonet socket plug 1 plays a part of closing inside detonator；Igniter 2 is the detonation start point signal of powder column in detonator；It is long
Delay element 3 reaches the purpose of detonator delay by reducing detonation transmission speed and itself grain length；Initiating unit 8 plays enhancing
And the effect for the high explosive that detonates；Second of powder charge of high explosive 9 and the functional unit that high explosive first time powder charge 10 is detonator, there is provided
Powerful detonation can be to realize the function of other explosives such as blasting cap initiation explosive；Primer casing 11 plays confined charge and detonation
Paper shell, iron-clad or aluminum hull can be selected in the function of ripple.
Ignition charge 4 in long delay element 3 plays the detonation wave for the signal of igniter 2 being converted or being promoted to some strength
To excite the purpose of the second tungsten series delay powder 5；Second tungsten series delay powder 5, which plays to reduce detonation velocity of wave propagation and produce, to be prolonged
The purpose of time phase；First tungsten series delay powder 6 plays the mesh for further reducing detonation velocity of wave propagation and increasing the time of delaying
's；Lead delay element 7 plays lifting detonation rate and continues to produce the purpose for time of delaying, and the length of lead delay element 7 will at least reach
The effect of preferable detonation lifting is can be only achieved to 9mm.Long extension body case 12 plays the internal charge of constraint length delay element 3, single
The function of long delay element 3 is solely processed, aluminum hull or iron-clad can be selected.
The composition proportion of above-mentioned ignition charge 4 is：Brown lead oxide 80%；Silica flour 20%.
The above-mentioned composition proportion of first tungsten series delay powder 6 is：Tungsten powder 30%；Barium chromate 56%；Potassium hyperchlorate 9%；Diatomite
5%。
The above-mentioned composition proportion of second tungsten series delay powder 5 is：Tungsten powder 26%；Barium chromate 60%；Potassium hyperchlorate 9%；Diatomite
5%。
The extension time calculates：Extension time T is general burst time t1, be delayed t for the first time2, second of t that is delayed3, the 3rd
Secondary delay t4Sum.
I.e.：
T=t1+t2+t3+t4
General burst time t1Excited for plain detonator and the high explosive detonation time；
Delay t for the first time2The propagation of explosion time is excited for the second tungsten series delay powder 5, the short delay powder 5 of tungsten series can be passed through
Loaded length controls；
Second of delay t3The propagation of explosion time is excited for the first tungsten series delay powder 6, the long delay powder 6 of tungsten series can be passed through
Loaded length controls；
Third time delay t3The propagation of explosion time is excited for lead delay element 7, can be controlled by the loaded length of lead delay element 7.
Embodiment 1
Igniter 2 selects electric match, and ignition charge 4 is 150g PbO2, the short delay powder 5 of tungsten series be 150g tungsten system
Row, the long delay powder 6 of tungsten series are 800g tungsten series delay powder, lead delay element 7 be length be 9mm, initiating unit 8 select priming
DDNP, second of powder charge of high explosive 9 select particle hexogen, and high explosive first time powder charge 10 is from compacting hexogen, outside detonator
Shell 11 selects iron-clad from aluminum hull, long extension body case 12.
Actual measurement delay the time be：18.774ms, 17.265ms, 18.233ms, 17.266ms, 16.903ms, 17.325ms.
Embodiment 2
In addition to following technical parameters, remaining is the same as embodiment 1.
Igniter 2 selects plastic detonating tube；The composition of ignition charge 4 is：Silica flour and brown lead oxide are with 8：2 ratios mixing system
Make；Initiating unit 8 selects non-priming detonation element.
Actual measurement delay the time be：22.562ms、22.640ms、22.904ms、21.774ms、20.166ms、21.866ms.
Embodiment 3
In addition to following technical parameters, remaining is the same as embodiment 2.
The composition of ignition charge 4 is：Silica flour and lead orthoplumbate are with 5：3.
Actual measurement delay the time be：21.982ms、22.460ms、22.944ms、22.874ms、21.166ms、22.896ms.
Embodiment 4
In addition to following technical parameters, remaining is the same as embodiment 2.
The composition of ignition charge 4 is：Silica flour and lead orthoplumbate are with 6：2.
Actual measurement delay the time be：22.209ms、21.570ms、21.678ms、21.657ms、21.347ms、20.998ms.
The explanation of above-described embodiment is only intended to understand method and its core concept of the present utility model.It should be pointed out that pair
, can also be to the utility model on the premise of the utility model principle is not departed from for one of ordinary skill in the art
Some improvement and modification are carried out, these are improved and modification will be also fallen into the protection domain of the utility model claims.
Claims (4)
1. a kind of overlength delay detonator, including primer casing（11）, it is characterised in that the primer casing（11）Inside from left to right
It is sequentially arranged with high explosive powder charge, initiating unit（8）, long delay element（3）, igniter（2）, bayonet socket plug（1）, lead-foot-line；It is described
Long delay element（3）Including long extension body case（12）, the long extension body case（12）Lead delay element is sequentially arranged with from left to right
（7）, the first tungsten series delay powder（6）, the second tungsten series delay powder（5）, ignition charge（4）.
A kind of 2. overlength delay detonator according to claim 1, it is characterised in that the high explosive powder charge from left to right according to
Secondary is high explosive first time powder charge（10）, second of powder charge of high explosive（9）.
A kind of 3. overlength delay detonator according to claim 1, it is characterised in that the initiating unit（8）It is priming
DDNP or detonation element.
A kind of 4. overlength delay detonator according to claim 1, it is characterised in that the igniter（2）It is detonator
Or electric igniter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648791.8U CN206955920U (en) | 2017-06-06 | 2017-06-06 | A kind of overlength delay detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648791.8U CN206955920U (en) | 2017-06-06 | 2017-06-06 | A kind of overlength delay detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206955920U true CN206955920U (en) | 2018-02-02 |
Family
ID=61378273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720648791.8U Active CN206955920U (en) | 2017-06-06 | 2017-06-06 | A kind of overlength delay detonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206955920U (en) |
-
2017
- 2017-06-06 CN CN201720648791.8U patent/CN206955920U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211201 Address after: 430081 office a210, building 47, No. 1244, Heping Avenue, Qingshan District, Wuhan City, Hubei Province Patentee after: China Railway 23rd Bureau Group (Hubei) blasting Co.,Ltd. Address before: 430081 No. 1244 Heping Avenue, Qingshan District, Hubei, Wuhan Patentee before: SINOSTEEL CORPORATION WUHAN SAFETY AND ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right |