CN209131526U - A kind of coal seam Deephole pre-splitting blasting charge constitution - Google Patents
A kind of coal seam Deephole pre-splitting blasting charge constitution Download PDFInfo
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- CN209131526U CN209131526U CN201821834914.8U CN201821834914U CN209131526U CN 209131526 U CN209131526 U CN 209131526U CN 201821834914 U CN201821834914 U CN 201821834914U CN 209131526 U CN209131526 U CN 209131526U
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- China
- Prior art keywords
- powder charge
- coal seam
- charge pipe
- splitting blasting
- explosive
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Abstract
The utility model discloses a kind of coal seam Deephole pre-splitting blasting charge constitutions, including several powder charge pipes, explosive and several detonators, full explosive is filled in each powder charge pipe and is successively put in drilling in length direction, at interval of a powder charge pipe, a pair of detonator parallel with one another is placed in the explosive of the hole one end that drills in powder charge pipe.To solve the problems, such as that the prior art is residual quick-fried there are being easy to produce in conductive process.
Description
Technical field
The utility model relates to coal mine underground construction field more particularly to a kind of coal seam Deephole pre-splitting blasting charge constitutions.
Background technique
Mine gas be threaten Safety of Coal Mine Production a key factor, technology that deep hole blasting presplitting is anti-reflection be one at
This low, quick, easy to operate anti-reflection new technology in coal seam, the gas drainage efficiency for improving low air permeability coal seam rapidly are imitated
Fruit is significant.But causes to be easy to produce in conductive process residual quick-fried since loaded length is long during Deephole pre-splitting blasting, cause powder charge
The problems such as time is long, explosion is unsuccessful, not only makes demolition effect have a greatly reduced quality, and can also seriously threaten mine normal production, because
This, finding a kind of not only convenient but also safe Deephole pre-splitting blasting loading method is particularly important.
Summary of the invention
Technical problem to be solved by the utility model is: a kind of coal seam Deephole pre-splitting blasting charge constitution is provided, to solve
The prior art there is a problem of being easy to produce in conductive process residual quick-fried.
The technical solution of the utility model is: a kind of coal seam Deephole pre-splitting blasting charge constitution, including several powder charge pipes, fried
Medicine and several detonators, each powder charge pipe is interior to fill full explosive and successively puts in drilling in length direction, fills at interval of one
Pencil places a pair of detonator parallel with one another in powder charge pipe in the explosive of the hole one end that drills.
Further, the powder charge tube material is PVC.
Further, powder charge tube bottom end is equipped with the buffer layer of 10 ~ 15cm.
Further, the buffer layer is yellow mud.
Further, it is characterised in that: the powder charge tube outer surface is provided with shot firing cable slot, the shot firing cable installation of detonator
In shot firing cable slot.
Further, the coal seam Deephole pre-splitting blasting charge constitution further includes sponge, and sponge first half is fixedly connected with dress
The pencil end surface nearest close to hell, the latter half of holding soft fluffy state of sponge.
Further, the installation method of the coal seam Deephole pre-splitting blasting charge constitution includes the following steps,
S1, drilling is filled in into first segment powder charge pipe one end；
S2, pusher is fixedly mounted at second segment powder charge tube top end；
S3, second segment powder charge pipe is moved with hand push to push first segment powder charge pipe to enter drilling；
S4, after second segment powder charge pipe end is completely into drilling, reuse top be equipped with pusher third section powder charge
Pipe pushes away second segment powder charge pipe, and so on be attached to always final stage powder charge pipe distance drilling hole 10m.
Further, the pusher upper and lower side is the cylinder less than powder charge bore, and middle part, which is fixedly mounted, is greater than powder charge
The disk of pipe outside diameter.
The beneficial effects of the utility model are:
Compared with prior art, the utility model between every two powder charge pipes at interval of two powder charge pipes by being just equipped with
Two detonators parallel with one another, another detonator, which can also play a role, after a detonator fails plays the role of backup, separately
Outside since every two powder charge pipes are just shared using a pair of of detonator, detonator is ignited the explosive in all powder charge pipes simultaneously, is increased fried
The instant blasting power of medicine.The utility model structure is simple and convenient to operate, and ensure that 100% success rate in field practice, special
It Shi Yongyu not coal seam deep hole blasting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model F view directions Section A-A structural schematic diagram；
In figure: 1 powder charge pipe, 2 detonators, 3 buffer layers, 4 pushers, 5 sponges, 6 explosives, 7 shot firing cable slots, 8 drillings, 9 quick-fried
Broken bus.
Specific embodiment
With reference to the accompanying drawing and utility model is described further in specific embodiment:
Referring to figs. 1 to Fig. 2, a kind of coal seam Deephole pre-splitting blasting charge constitution, including several powder charge pipes 1, explosive 6 and several
Detonator 2, each powder charge pipe 1 is interior to fill full explosive 6 and successively puts in drilling 8 in length direction, at interval of a powder charge pipe
1, a pair of detonator parallel with one another is placed in the explosive 6 of the hole one end that drills in powder charge pipe 1.Two detonators 2 parallel with one another
Setting, another detonator 2, which can also play a role, after a detonator 2 fails plays the role of backup, fills additionally, due to every section
Pencil 1 has a pair of of detonator 2 to ignite, and explosive 6 of the detonator 2 when lighting a fire in all powder charge pipes 1 will all be ignited, and increases explosive 6
The power of instant blasting.
Further, 1 material of powder charge pipe is PVC.Pvc pipe is inexpensively cheap.
Further, 1 bottom end of powder charge pipe is equipped with the buffer layer 2 of 10 ~ 15cm.6 dosage of explosive is reduced, and is reduced
Concussion of blasting avoids the inbreak of back, extends blasting agential time.
Further, the buffer layer 3 is yellow mud.Yellow mud inexpensively easily takes, and can reduce blasting cost.
Further, it is characterised in that: 1 outer surface of powder charge pipe is provided with shot firing cable slot 7, the shot firing cable 9 of detonator 2
It is mounted in shot firing cable slot 7.It, can be because being formed in drilling 8 in bad or rock in the presence of hard during scene push powder charge pipe 1
Object, may cut damage shot firing cable 9, especially shot firing cable 9 and 2 payment to a porter junction of detonator is easy to be damaged.There is shot firing cable slot 7
Protection, shot firing cable 9 is safer.
Further, the coal seam Deephole pre-splitting blasting charge constitution further includes sponge 5, and 5 first half of sponge is fixedly connected
Powder charge pipe 1 is close to 8 mouthfuls of nearest end surfaces of drilling, the latter half of holding soft fluffy state of sponge 5.When 8 inclination angles that drill are excessive, nothing
Method guarantees that if stability of the powder charge pipe 1 in drilling 8 may not only injure staff, also add sliding after powder charge pipe 1
The time reinstalled.Here with the dilatancy of sponge 5, when powder charge pipe 1 slides backward, the latter half of meeting of sponge 5
It struts, this power guarantees that powder charge pipe 1 is fixed in drilling 8 enough.This method is convenient and simple, easily operated, ensure that operation
Safety.
Further, the installation method of the coal seam Deephole pre-splitting blasting charge constitution includes the following steps,
S1, drilling 8 is filled in into 1 one end of first segment powder charge pipe；
S2, pusher 4 is fixedly connected in 1 top bolt of second segment powder charge pipe or iron wire；
S3, second segment powder charge pipe 1 is moved with hand push to push first segment powder charge pipe 1 to enter drilling 8；
S4, after 1 end of second segment powder charge pipe is completely into drilling, reuse top equipped with pusher 4 third section fill
Pencil 1 pushes away second segment powder charge pipe 1, and so on be attached to always final stage powder charge pipe 1 apart from drilling 8 hole 10m.
4 upper and lower side of pusher is the cylinder less than 1 internal diameter of powder charge pipe, and middle part, which is fixedly mounted, is greater than 1 outer diameter of powder charge pipe
Disk.When going powder charge pipe 1 toward 8 feeding of drilling after live powder charge, often time-consuming and laborious, effect is also unobvious, when in drilling 8
When the collapse hole of side, powder charge pipe 1, which is taken out often to loosen outward, falls some powder charge pipes 1 inside collapse hole.Pusher 4 increases powder charge pipe
1 junction forced area, push powder charge pipe 1 are easier, and drug delivery process is more convenient, make 1 top of rear portion powder charge pipe and front dress
The more difficult disengaging in 1 tail portion of pencil.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. a kind of coal seam Deephole pre-splitting blasting charge constitution, including several powder charge pipes (1), explosive (6) and several detonators (2), often
Full explosive (6) are filled in a powder charge pipe (1) and are successively put in drilling (8) in length direction, it is characterised in that: at interval of one
Root powder charge pipe (1) places a pair of detonator (2) parallel with one another in powder charge pipe (1) in the explosive (6) of (8) the hole one end that drills.
2. Deephole pre-splitting blasting charge constitution in coal seam according to claim 1, it is characterised in that: powder charge pipe (1) material
Material is PVC.
3. Deephole pre-splitting blasting charge constitution in coal seam according to claim 1, it is characterised in that: powder charge pipe (1) bottom
End is equipped with the buffer layer (3) of 10 ~ 15cm.
4. Deephole pre-splitting blasting charge constitution in coal seam according to claim 3, it is characterised in that: the buffer layer (3) is
Yellow mud.
5. according to claim 1 to Deephole pre-splitting blasting charge constitution in coal seam described in 4 any claims, it is characterised in that:
Powder charge pipe (1) outer surface is provided with shot firing cable slot (7), and shot firing cable (9) is mounted in shot firing cable slot (7).
6. Deephole pre-splitting blasting charge constitution in coal seam according to claim 5, it is characterised in that: the coal seam deep hole presplitting
Blast charging structure further includes sponge (5), and sponge (5) first half is fixedly connected with nearest one of powder charge pipe (1) close drilling (8) mouth
End surfaces, the latter half of holding soft fluffy state of sponge (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834914.8U CN209131526U (en) | 2018-11-08 | 2018-11-08 | A kind of coal seam Deephole pre-splitting blasting charge constitution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834914.8U CN209131526U (en) | 2018-11-08 | 2018-11-08 | A kind of coal seam Deephole pre-splitting blasting charge constitution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131526U true CN209131526U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821834914.8U Expired - Fee Related CN209131526U (en) | 2018-11-08 | 2018-11-08 | A kind of coal seam Deephole pre-splitting blasting charge constitution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141150A (en) * | 2018-11-08 | 2019-01-04 | 贵州安和矿业科技工程股份有限公司 | A kind of coal seam Deephole pre-splitting blasting charge constitution and installation method |
-
2018
- 2018-11-08 CN CN201821834914.8U patent/CN209131526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141150A (en) * | 2018-11-08 | 2019-01-04 | 贵州安和矿业科技工程股份有限公司 | A kind of coal seam Deephole pre-splitting blasting charge constitution and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20191108 |