CN204301617U - A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING - Google Patents

A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING Download PDF

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Publication number
CN204301617U
CN204301617U CN201420574495.4U CN201420574495U CN204301617U CN 204301617 U CN204301617 U CN 204301617U CN 201420574495 U CN201420574495 U CN 201420574495U CN 204301617 U CN204301617 U CN 204301617U
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CN
China
Prior art keywords
tube
binding energy
centering
applicable
bayonet socket
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Expired - Fee Related
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CN201420574495.4U
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Chinese (zh)
Inventor
彭张林
吴从师
谭积青
朱志勤
段跃华
胡庆国
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GUANGXI GUIHAI EXPRESSWAY Co Ltd
Changsha University of Science and Technology
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GUANGXI GUIHAI EXPRESSWAY Co Ltd
Changsha University of Science and Technology
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Priority to CN201420574495.4U priority Critical patent/CN204301617U/en
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Publication of CN204301617U publication Critical patent/CN204301617U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING, be made up of centering adjusting rod, many tube connectors, many binding energy tubes and bottom tubes, the sidewall of binding energy tube is longitudinally symmetrily processed with two troughs for collecting energy, the two ends up and down of described binding energy tube are equipped with snib, the two ends up and down of described tube connector are equipped with bayonet socket, and the described snib of described bayonet socket and described binding energy tube is connected the binding energy tube described in each section and the described troughs for collecting energy making the described binding energy tube after connecting point-blank; There is bayonet socket the upper end of bottom tube, has dividing plate to seal bottom it, and bottom tube is enclosed within the bottom of the binding energy tube described in connecting; The bar ridge that one end that centering adjusting rod is provided with the clamp that can be inserted into bayonet socket is connected with described clamp.The utility model is simple in Tunnel Blasting engineering construction, economical and efficient.

Description

A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING
Technical field
The utility model relates to a kind of centering gun tube device, particularly relates to a kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING.
Background technology
In Upon Blasting for Tunnel Driving engineering, usually use photoface exploision or presplit blasting, reduce the overbreak-underbreak of excavation face, to reach the object that outline excavation face meets designing requirement and adjoining rock stability.But also there are some difficult points in photoface exploision and presplit blasting construction, such as blasting fracgmentation direction is difficult to control, and cause profile out-of-flatness, periphery hole half hole mark rate is low.Its reason does not guide the blasting energy in big gun hole.In order to overcome the above-mentioned shortcoming of photoface exploision, presplit blasting, someone proposes directional cumulation blasting technique, and expands a large amount of theories and experimental study.201210430515.6), the presplitting of double focusing energy and photoface exploision special purpose device (application number: 200720062631.1) etc. corresponding patent has: inner position orientation in directional fracture blasting Concentrated charge hole, tunnel pushes special purpose device (application number:.
The acquisition pattern in CUMULATIVE BLASTING crack, being formed except the concentrated big gun hole directional fracture blasting mode of stress near outline line except reaching at both sides, big gun hole excavation grooving or change big gun hole shape, also having two classes below to utilize the cumulative controlled blasting mode changing powder stick shape and additional heterotype tubing:
1, Concentrated charge directional fracture blasting
The method mainly make use of the Mohaupt effect of explosive to reach the object of directional fracture.By the change to explosive shape, as processed troughs for collecting energy in the both sides of circular powder stick, or doing ovalisation powder stick, making to produce Mohaupt effect along the explosion outline line designed during explosive charge, allow crackle preferentially produce from outline line direction, thus produce smooth neat outline line.
2, binding energy tube directional fracture blasting
The method, mainly by processing profiled tubing, at its sidewall longitudinal symmetrical machining V-arrangement grooving, joint-cutting or circular round, makes blasting energy preferentially go out from both sides, destroys crag.This method does not propose too many requirement to blast working, simple to operation, and engineering obtains larger popularization.
A kind of centering method simple in engineering is needed in above-mentioned two kinds of blasting methods.Sockets for collecting energy between big gun hole or joint-cutting centering are forbidden, and periphery hole demolition effect will be undesirable, may produce larger backbreaking and owe to dig.For head it off, brainstrust proposes some solutions:
First double focusing energy presplitting and photoface exploision special purpose device (applying for 200720062631.1), to succeed application in long-hole blasting project such as Hydraulic and Hydro-Power Engineering side slope perrons.This device carries out adjustment or the centering of sockets for collecting energy jet direction by aperture centering ring.
It two is that inner position orientation in directional fracture blasting Concentrated charge hole, tunnel pushes special purpose device (application number: 201210430515.6), this patent adopts orientation lever pusher to be pushed to by Concentrated charge in big gun hole, carries out centering location to cartridge bag simultaneously.The method does not have particular/special requirement to traditional rock drilling technique, does not affect common rock drilling and blasting procedure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING of simple in Tunnel Blasting engineering construction, economical and efficient.
In order to solve the problems of the technologies described above, the centering gun tube device of tunnel perimeter hole CUMULATIVE BLASTING that what the utility model provided be applicable to, by centering adjusting rod, many tube connectors, many binding energy tubes and bottom tube composition, the sidewall of described binding energy tube is longitudinally symmetrily processed with troughs for collecting energy, the two ends up and down of described binding energy tube are equipped with snib, the two ends up and down of described tube connector are equipped with bayonet socket, the described snib of described bayonet socket and described binding energy tube is connected the binding energy tube described in each section and the described troughs for collecting energy making the described binding energy tube after connecting point-blank, there is bayonet socket the upper end of described bottom tube, has dividing plate to seal bottom it, the bottom of the described binding energy tube after described bottom tube is enclosed within and connects, the bar ridge that one end that described centering adjusting rod is provided with the clamp that can be inserted into described bayonet socket is connected with described clamp.
Described troughs for collecting energy is cumulative joint-cutting, V-arrangement grooving or circular round.
Each segment length of described binding energy tube is 400mm.
The other end of described bar ridge is provided with the central axis of its center line and described bar ridge and the parallel plane lever arm of its center line and described clamp, and the two ends of described lever arm are equipped with its center line and the center line of described lever arm and all vertical auxiliary centering rod of the plane of described clamp.
The upper/lower terminal of described tube connector is equipped with two symmetrical bayonet sockets, and upper and lower side bayonet socket angle is 90 °, for being linked together by binding energy tube.
The upper end of described bottom tube is provided with two symmetrical bayonet sockets, has dividing plate to seal bottom it, and described bottom tube is enclosed within the bottom of the binding energy tube described in connecting.
Adopt the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING of technique scheme, binding energy tube is main member of the present utility model, adopts pvc plastic material.Explosive is just placed in wherein, and when explosive charge, cumulative joint-cutting just can guide blasting energy, thus Cutting Rock efficiently.Consider the convenience of transport, the operability of engineering reality, the utility model is by this binding energy tube design mix segmentation, and each segment length is 400mm.There is snib at the upper and lower two ends of binding energy tube, for the connection of tube connector and fixing.Tube connector is mainly used in connecting each section of binding energy tube.It is firm that tube connector will ensure to connect, and to make in the binding energy tube after connecting cumulative joint-cutting point-blank.Also binding energy tube to be made to be fixed on the central authorities in big gun hole simultaneously, promote demolition effect.Tube connector there is bayonet socket, for being engaged with snib, playing the effect of fixing binding energy tube.Centering adjusting rod is mainly used in the orientation angle adjusting cumulative joint-cutting, makes the energy-gathering jetting in each big gun hole, make Cut blasting face smooth point-blank.Adjusting rod is simple to operate, takes out after adjusting direction, reusable.Bottom tube is arranged on the bottom of first segment binding energy tube at the bottom of hole so that outside hole powder charge be connected binding energy tube, ensure that explosive is connecting in binding energy tube, and can not binding energy tube be skidded off.
In sum, the utility model is a kind of simple in Tunnel Blasting engineering construction, the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING of the cumulative centering of economical and efficient.
Accompanying drawing explanation
Fig. 1 is the front view of binding energy tube.
Fig. 2 is the profile of binding energy tube.
Fig. 3 is the stereogram of binding energy tube.
Fig. 4 is tube connector stereogram.
Fig. 5 is the stereogram of centering adjusting rod.
Fig. 6 is the front view of bottom tube
Fig. 7 is the profile of bottom tube
Fig. 8 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the utility model is divided into centering adjusting rod 3, tube connector 2, binding energy tube 1, bottom tube 4 four parts, be made up of centering adjusting rod 3, many tube connectors 2, many binding energy tubes 1 and bottom tubes 4, binding energy tube 1 is main member of the present utility model, adopts pvc plastic material.The sidewall of binding energy tube 1 is longitudinally symmetrily processed with cumulative joint-cutting 1.2, and explosive is just placed in binding energy tube 1, and when explosive charge, cumulative joint-cutting 1.2 just can guide blasting energy, thus efficient Cut blasting rock mass.Consider the convenience of transport, the operability of engineering reality, the utility model is by this binding energy tube 1 design mix segmentation, and the length of each section of binding energy tube 1 is 400mm.There is snib 1.1 at binding energy tube about 1 two ends, for being connected with the bayonet socket 2.1 of tube connector 2 and fixing.Binding energy tube 1 pair of cumulative mode no requirement (NR) that the utility model adopts, can adopt the mode of cumulative joint-cutting 1.2, also can adopt the mode of the mode of V-arrangement sockets for collecting energy or circular round.
Legend in the utility model all adopts cumulative joint-cutting 1.2 mode.
Tube connector 2 is mainly used in connecting each section of binding energy tube 1.It is firm that tube connector 2 will ensure to connect, and the cumulative joint-cutting making the binding energy tube after connecting 1 point-blank.Also binding energy tube 1 to be made to be fixed on the central authorities in big gun hole simultaneously, promote demolition effect.The two ends up and down of tube connector 2 are equipped with bayonet socket 2.1, for being engaged with the snib 1.1 of binding energy tube 1, play the effect of fixing binding energy tube 1.
Centering adjusting rod 3 is provided with the bar ridge 3.3 that the clamp 3.4 that can be inserted into bayonet socket 2.1 is connected with clamp 3.4 with one end.
Further, the other end of bar ridge 3.3 is provided with the central axis of its center line and bar ridge 3.3 and the parallel plane lever arm 3.2 of its center line and clamp 3.4, and the two ends of lever arm 3.2 are equipped with its center line and the center line of lever arm 3.2 and all vertical auxiliary centering rod 3.1 of the plane of clamp 3.4.Centering adjusting rod 3 is mainly used in the orientation angle adjusting cumulative joint-cutting 1.2, makes the energy-gathering jetting in adjacent each big gun hole on an outline line, make explosion contoured surface smooth.Adjusting rod is simple to operate, takes out after adjusting direction, reusable.
Key dimension of the present utility model is shown in that legend unit is millimeter, and scantling can be changed according to actual conditions.
The concrete operations technique of this device is as follows:
(1) calculate each joint binding energy tube 1 explosive payload, big gun hole outside or position, aperture, one end of first segment binding energy tube 1 at the bottom of hole is put bottom tube 4, binding energy tube powder charge is saved to this.
(2) by tube connector 2, second section binding energy tube 1 is connected on first segment binding energy tube 1, to the powder charge of second section binding energy tube, this two joints binding energy tube installing medicine is inserted big gun hole.
(3) continue the 2nd step, by tube connector 2, Section of three binding energy tube 1 is connected on second section binding energy tube 1, to Section of three binding energy tube powder charge, and inserts big gun hole.By that analogy, connect more piece binding energy tube with multiple tube connector 2, and powder charge, the more piece binding energy tube of powder charge is inserted big gun hole section by section.In binding energy tube suitable in above-mentioned powder charge step, detonator is installed.(connection of 1st ~ 3 steps and powder charge also can complete outside hole, then insert big gun hole).
(4) binding energy tube 1 connected is pushed after in big gun hole, the clamp 3.4 of centering adjusting rod 3 is inserted in the bayonet socket 2.1 of outmost tube connector 2, rotate centering adjusting rod 3, make lever arm 3.2 and explosion outline line tangent, auxiliary centering rod 3.1 is vertical with outline line.
(5) adjust rear taking-up centering adjusting rod 3, stemming beyond the Great Wall, according to the method described above by after all blast hole projectile filling centerings, connect initiation net, implement to detonate.

Claims (10)

1. one kind is applicable to the centering gun tube device of tunnel perimeter hole CUMULATIVE BLASTING, it is characterized in that: by centering adjusting rod (3), many tube connectors (2) and many binding energy tube (1) compositions, the sidewall of described binding energy tube (1) is longitudinally symmetrily processed with troughs for collecting energy, the inside of described binding energy tube (1) is provided with dividing plate (1.3) on the lower, the two ends up and down of described binding energy tube (1) are equipped with snib (1.1), the two ends up and down of described tube connector (2) are equipped with bayonet socket (2.1), the described snib (1.1) of described bayonet socket (2.1) and described binding energy tube (1) is connected the binding energy tube (1) described in each section and the described troughs for collecting energy making the described binding energy tube (1) after connecting point-blank, there is bayonet socket (2.1) upper end of bottom tube (4), has dividing plate (4.1) to seal bottom it, the bottom of the described binding energy tube (1) after described bottom tube (4) is enclosed within and connects, described centering adjusting rod (3) is provided with the bar ridge (3.3) that the clamp (3.4) that can be inserted into described bayonet socket (2.1) is connected with described clamp (3.4) with one end.
2. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 1, is characterized in that: described troughs for collecting energy is cumulative joint-cutting (1.2), V-arrangement grooving or circular round.
3. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 1 and 2, is characterized in that: each segment length of described binding energy tube (1) is 400mm.
4. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 1 and 2, it is characterized in that: the other end of described bar ridge (3.3) is provided with the central axis of its center line and described bar ridge (3.3) and the parallel plane lever arm (3.2) of its center line and described clamp (3.4), the two ends of described lever arm (3.2) are equipped with its center line auxiliary centering rod (3.1) all vertical with the plane of described clamp (3.4) with the center line of described lever arm (3.2).
5. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 3, it is characterized in that: the other end of described bar ridge (3.3) is provided with the central axis of its center line and described bar ridge (3.3) and the parallel plane lever arm (3.2) of its center line and described clamp (3.4), the two ends of described lever arm (3.2) are equipped with its center line auxiliary centering rod (3.1) all vertical with the plane of described clamp (3.4) with the center line of described lever arm (3.2).
6. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 1 and 2, it is characterized in that: the upper/lower terminal of described tube connector (2) is equipped with two symmetrical bayonet sockets (2.1), upper and lower side bayonet socket (2.1) angle is 90 °, for being linked together by binding energy tube.
7. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 3, it is characterized in that: the upper/lower terminal of described tube connector (2) is equipped with two symmetrical bayonet sockets (2.1), upper and lower side bayonet socket (2.1) angle is 90 °, for being linked together by binding energy tube.
8. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 1 and 2, it is characterized in that: the upper end of described bottom tube (4) is provided with two symmetrical bayonet sockets (2.1), have dividing plate (4.1) to seal bottom it, described bottom tube (4) is enclosed within the bottom of the binding energy tube (1) described in connecting.
9. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 3, it is characterized in that: the upper end of described bottom tube (4) is provided with two symmetrical bayonet sockets (2.1), have dividing plate (4.1) to seal bottom it, described bottom tube (4) is enclosed within the bottom of the binding energy tube (1) described in connecting.
10. the centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING according to claim 4, it is characterized in that: the upper end of described bottom tube (4) is provided with two symmetrical bayonet sockets (2.1), have dividing plate (4.1) to seal bottom it, described bottom tube (4) is enclosed within the bottom of the binding energy tube (1) described in connecting.
CN201420574495.4U 2014-09-30 2014-09-30 A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING Expired - Fee Related CN204301617U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897014A (en) * 2015-05-27 2015-09-09 贵州大学 Blasting charge structure
CN105091680A (en) * 2015-09-21 2015-11-25 韩东良 Traction supporting device for installing explosives in hole
CN105627848A (en) * 2016-03-22 2016-06-01 中煤科工集团淮北爆破技术研究院有限公司 Locatable bilinear cumulative blasting device in smooth blasting hole and blasting method
CN105865282A (en) * 2016-04-28 2016-08-17 何满潮 Orientation device for binding energy tube, binding energy tube adopting orientation device, blasting device and mounting method
CN105890478A (en) * 2016-04-28 2016-08-24 何满潮 Directional pre-splitting joint cutting method of roadway roof
CN106907960A (en) * 2017-04-17 2017-06-30 安徽理工大学 A kind of one side notched blasting powder column housing
CN108413825A (en) * 2018-05-11 2018-08-17 张友明 A kind of orientation presplit blasting cumulative powder column
CN114440723A (en) * 2021-11-16 2022-05-06 中国矿业大学(北京) Gun stick and using method thereof
CN115218725A (en) * 2022-08-05 2022-10-21 沈阳工业大学 Slitting explosive package device for automatically controlling tunnel blasting energy release and blasting method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897014A (en) * 2015-05-27 2015-09-09 贵州大学 Blasting charge structure
CN105091680A (en) * 2015-09-21 2015-11-25 韩东良 Traction supporting device for installing explosives in hole
CN105091680B (en) * 2015-09-21 2016-11-30 韩东良 Explosive traction eyelid retractor is laid in hole
CN105627848A (en) * 2016-03-22 2016-06-01 中煤科工集团淮北爆破技术研究院有限公司 Locatable bilinear cumulative blasting device in smooth blasting hole and blasting method
CN105865282B (en) * 2016-04-28 2018-05-25 何满潮 Binding energy tube orienting device and apply its binding energy tube, demolition set and installation method
CN105865282A (en) * 2016-04-28 2016-08-17 何满潮 Orientation device for binding energy tube, binding energy tube adopting orientation device, blasting device and mounting method
CN105890478A (en) * 2016-04-28 2016-08-24 何满潮 Directional pre-splitting joint cutting method of roadway roof
CN106907960A (en) * 2017-04-17 2017-06-30 安徽理工大学 A kind of one side notched blasting powder column housing
CN106907960B (en) * 2017-04-17 2019-02-12 安徽理工大学 A kind of single side notched blasting powder column shell
CN108413825A (en) * 2018-05-11 2018-08-17 张友明 A kind of orientation presplit blasting cumulative powder column
CN108413825B (en) * 2018-05-11 2024-04-09 张友明 Directional pre-splitting blasting energy-gathering grain
CN114440723A (en) * 2021-11-16 2022-05-06 中国矿业大学(北京) Gun stick and using method thereof
CN115218725A (en) * 2022-08-05 2022-10-21 沈阳工业大学 Slitting explosive package device for automatically controlling tunnel blasting energy release and blasting method
CN115218725B (en) * 2022-08-05 2024-01-23 沈阳工业大学 Lancing explosive package device capable of autonomously controlling release of tunnel blasting energy and blasting method

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