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CN108731554B - Tunnel smooth blasting uncoupled shaped charge device and charge method - Google Patents

Tunnel smooth blasting uncoupled shaped charge device and charge method Download PDF

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Publication number
CN108731554B
CN108731554B CN201810879176.7A CN201810879176A CN108731554B CN 108731554 B CN108731554 B CN 108731554B CN 201810879176 A CN201810879176 A CN 201810879176A CN 108731554 B CN108731554 B CN 108731554B
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CN
China
Prior art keywords
uncoupled
shaped
energy
strip
collecting
Prior art date
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Application number
CN201810879176.7A
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CN108731554A (en
Inventor
魏华昌
魏磊
龚旬刚
苏庆国
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Huizhou Xinglu Energy Saving Technology Co ltd
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Huizhou Xinglu Energy Saving Technology Co ltd
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Priority to CN201810879176.7A priority Critical patent/CN108731554B/en
Publication of CN108731554A publication Critical patent/CN108731554A/en
Priority to PCT/CN2019/070165 priority patent/WO2020024558A1/en
Application granted granted Critical
Publication of CN108731554B publication Critical patent/CN108731554B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F42D1/10Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a tunnel smooth blasting uncoupled shaped charge device and a charge method, comprising a C-shaped energy collecting pipe, wherein energy collecting hollow columns are symmetrically arranged in the C-shaped energy collecting pipe, the cross section of each energy collecting hollow column is of a conical structure, the top end of each energy collecting hollow column is an energy collecting embedded end, and the energy collecting included angle of each energy collecting embedded end is 30-70 degrees. Compared with the prior art, the uncoupled shaped charge device and the charge method for the smooth blasting of the tunnel have the advantages of novel structure, strong practicability, strong combination, strong adaptability, capability of selecting uncoupled strips with proper length according to the depth of a blast hole, capability of respectively conveying needed explosive columns, C-shaped energy collecting pipes and uncoupled strips to the tunnel face for field assembly before construction, simple assembly method, time and labor saving and convenience for explosive management.

Description

Tunnel smooth blasting uncoupled shaped charge device and charge method
Technical Field
The invention relates to the technical field of blasting charge, in particular to a tunnel smooth blasting uncoupled shaped charge device and a charge method.
Background
According to the explosion safety regulations and the coal mine safety management regulations, the explosive is not allowed to be processed on site, so that the explosive is charged by adopting an energy collecting pipe at present, the explosive is required to be processed on site and assembled on a face after the explosive is completely filled in the energy collecting pipe, but the explosive is charged by adopting a pneumatic tool, the explosive charging time is long and troublesome, the process flow is more, a certain safety problem and the problem of loss of the explosive are easy to exist, and hidden danger is brought to the explosive management.
Disclosure of Invention
The invention aims to provide a tunnel smooth blasting uncoupled shaped charge device and a charge method, which aim to solve the technical problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a tunnel smooth blasting uncouples gathers charge device that can, includes C type gathers can the intraductal symmetry of C type gathers can the hollow post that gathers can, gather can hollow post cross-section for the toper structure, gather can the top of hollow post and gather can embedded end, gather can embedded end gather can the contained angle of gathering for 30-70.
The non-coupling device is characterized by further comprising a non-coupling strip, wherein the top end of the non-coupling strip is provided with an opening, and the C-shaped energy collecting tube is placed in the non-coupling strip after being inserted into a grain.
And the two sides of the uncoupled strip are arc-shaped structures corresponding to the side wall structures of the C-shaped energy gathering tube.
And the bottom end of the uncoupled strip is provided with a reinforcing rib.
The wall thickness of the top end of the side edge of the energy-gathering hollow column is smaller than that of the bottom end of the side edge of the energy-gathering hollow column.
The wall thickness of the bottom edge of the energy-collecting hollow column is smaller than that of the bottom edge of the C-shaped energy-collecting pipe.
The C-shaped energy collecting pipe is connected with the uncoupled strip in a buckling mode, a clamping groove is formed in the outer side of the C-shaped energy collecting pipe, and buckles are respectively arranged on two sides of the uncoupled strip opening and correspond to the clamping groove of the C-shaped energy collecting pipe in position.
The device also comprises a fastening part which is arranged above the C-shaped energy gathering pipe and fixes the C-shaped energy gathering pipe and the uncoupled strip.
Sealing plugs corresponding to the energy-collecting hollow column structure are respectively arranged at one end or the upper end and the lower end of the energy-collecting hollow column.
A charging method of a tunnel smooth blasting uncoupled shaped charge device comprises the following steps:
a. One end or two ends of the energy-collecting hollow column on the C-shaped energy-collecting pipe are respectively plugged by sealing plugs;
b. Cutting off a packaging bag at one end of the pasty medicine column;
c. pinching the two sides of the C-shaped energy gathering tube in the opening direction, then plugging the C-shaped energy gathering tube into the explosive column, and tightly sticking the edge of the explosive column to plug the C-shaped energy gathering tube into the explosive column;
d. The explosive columns with the C-shaped energy gathering pipes plugged are placed in the uncoupled strips, spaced or continuous charging is adopted, and when spaced charging is adopted, explosive columns placed at intervals are strung together by detonating cords;
e. the cartridge is secured to the uncoupled strip with a fastening member.
Compared with the prior art, the uncoupled shaped charge device and the charge method for smooth blasting of the tunnel have the advantages of novel structure, strong practicability, strong combination, capability of selecting uncoupled strips with proper length according to the depth of the blast holes, strong adaptability, capability of respectively conveying required grains, C-shaped energy collecting pipes and uncoupled strips to the tunnel face for field assembly before construction, simplicity in assembly method, time and labor saving, convenience in explosive management, capability of cutting the force of the explosive due to the fact that the C-shaped energy collecting pipes are arranged in the grains, capability of increasing the intervals of the blast holes, saving the production cost, improving the working efficiency and good market scene. For the coal mines or cut holes, as no detonating cord exists, the explosive columns filled with the C-shaped energy gathering pipes are placed in the uncoupled strips in a continuous and parallel manner by adopting a continuous charging mode, and the explosive columns are fastened with the uncoupled strips by using a binding belt or an adhesive tape.
Drawings
Fig. 1: a cross-sectional view of a tunnel smooth blasting uncoupled shaped charge of embodiment 1;
fig. 2: a tunnel smooth blasting uncoupled shaped charge top view of embodiment 1;
Fig. 3: a seal plug structure schematic diagram;
Fig. 4: a cross-sectional view of a tunnel smooth blasting uncoupled shaped charge of embodiment 2;
fig. 5: a cross-sectional view of a tunnel smooth blasting uncoupled shaped charge of embodiment 3;
fig. 6: the C-shaped energy accumulating tube of embodiment 3 is a schematic three-dimensional structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Specific embodiment 1: referring to fig. 1 to 3, in an embodiment of the present invention, when a tunnel smooth blasting uncoupled shaped charge device is used for loading charges at intervals, the uncoupled shaped charge device comprises uncoupled bars 1, detonating cords 2, a plurality of pasty explosive columns 3 and a plurality of C-shaped energy collecting pipes 4, wherein the explosive columns 3 are placed in the uncoupled bars 1 at equal intervals, the C-shaped energy collecting pipes 4 are correspondingly inserted into the explosive columns 3, and the uncoupled bars 1 are opened towards the direction of the rock to be blasted. Energy-collecting hollow columns 401 are symmetrically arranged in the C-shaped energy-collecting pipe 4, and the cross section of each energy-collecting hollow column 401 is of a conical structure; the detonating cord 2 connects all the explosive columns 3 above the explosive columns 3 and leads out the uncoupled strip 1, and the uncoupled strip 1 is of a planar arc-shaped structure.
The wall thickness D 1 at the top end of the side edge of the energy-collecting hollow column 401 is smaller than the wall thickness D 2 at the bottom end of the energy-collecting hollow column 401, the wall thickness H 1 at the bottom edge of the energy-collecting hollow column 401 is smaller than the wall thickness H 2 at the bottom edge of the C-shaped energy-collecting tube 4, and the depth of cut is deeper and the width of a crack is smaller when the cut surface is blasted. The front end of the energy-collecting hollow column 401 is an energy-collecting embedded end, and the energy-collecting included angle of the energy-collecting embedded end is 30-70 degrees. The tunnel smooth blasting uncoupled shaped charge device further comprises a fastening part 5, wherein the fastening part 5 is an adhesive tape or a binding tape, the C-shaped energy gathering tube 4 is inserted into the explosive column 3, and the fastening part 5 fixes the explosive column 3 inserted into the C-shaped energy gathering tube 4 and the uncoupled strip 1.
In the assembling process, one end or the upper end and the lower end of the energy-collecting hollow column 401 are provided with sealing plugs 6 corresponding to the structures of the energy-collecting hollow column 401 to block openings at one end or the upper end and the lower end of the energy-collecting hollow column 401, so that the influence on the energy-collecting effect caused by the fact that explosives or water enter the energy-collecting hollow column 401 when the C-shaped energy-collecting tube 4 is inserted into the explosive column 3 is avoided; pinching the two sides of the opening direction of the C-shaped energy collecting tube 4, pinching the two sides of the C-shaped energy collecting tube 4 towards the opening direction, plugging one end of the energy collecting hollow column 401 into the explosive column 3, and tightly sticking the edge of the explosive column to plug the C-shaped energy collecting tube 4 into the explosive column 3. And then the explosive column 3 with the C-shaped energy collecting tube 4 is placed on the uncoupled strip 1, and the explosive column 3 is fixedly connected with the uncoupled strip 1 by using the adhesive tape 5.
Specific example 2: referring to fig. 4, on the basis of embodiment 1, a reinforcing rib 101 is disposed in the middle of the bottom end of the uncoupled strip 1, so that the overall strength of the uncoupled strip 1 can be enhanced, and after the uncoupled strip 1 is loaded into the explosive column 3, the uncoupled strip 1 can be more stably placed into the blast hole, thereby avoiding the uncoupled strip 1 from being deformed due to bending under the gravity of the explosive column 3 and the C-shaped energy collecting tube 4, and affecting the assembly operation of the uncoupled strip 1.
Specific example 3: referring to fig. 5 and 6, in the embodiment 1, the top end of the uncoupled strip 1 is an opening, and two sides of the uncoupled strip 1 are arc structures corresponding to the sidewall structures of the C-shaped energy collecting tube 4. The C-shaped energy collecting pipe 4 is connected with the uncoupled strip 1 in a buckling mode, clamping grooves 402 are formed in the outer side of the C-shaped energy collecting pipe 4, clamping buckles 102 are respectively arranged on two sides of an opening of the uncoupled strip 1 and correspond to the clamping grooves 402 of the C-shaped energy collecting pipe 4 in position, and reinforcing ribs 101 are respectively arranged on two sides of the bottom end of the uncoupled strip 1. Since the C-shaped energy collecting tube 4 is tightly attached to the inner wall of the outer package of the explosive column 3, the explosive column 3 with the C-shaped energy collecting tube 4 is directly buckled with the uncoupled strip 1 through the clamping groove 402 of the C-shaped energy collecting tube 4, the energy collecting groove 401 in the C-shaped energy collecting tube 4 can be accurately positioned on two sides of the uncoupled strip 1 in the horizontal direction, and then the explosive column 3 and the uncoupled strip 1 are fixed through the adhesive tape 5.
The placement positions of the C-shaped energy collecting pipes are accurately positioned in the embodiment 1 and the embodiment 2, the uncoupled strips and the explosive columns in the embodiment 1 and the embodiment 2 are fixed only through adhesive tapes, deflection and the like are easy to occur during placement, the energy collecting columns in the C-shaped energy collecting pipes cannot accurately collect energy to be cut towards two sides in the horizontal direction, and the matching cutting blasting effect of the C-shaped energy collecting pipes at other blast hole positions can be affected. Meanwhile, two reinforcing ribs are arranged at the bottom ends of the uncoupled strips, so that the uncoupled explosive charge is more stable when placed, and uncoupled explosive charge can be realized in the blast hole.
Compared with the prior art, the uncoupled shaped charge device and the charge method for smooth blasting of the tunnel have the advantages of novel structure, strong practicability, strong combination, capability of selecting uncoupled strips with proper length according to the depth of the blast holes, strong adaptability, capability of respectively conveying required grains, C-shaped energy collecting pipes and uncoupled strips to the tunnel face for field assembly before construction, simplicity in assembly method, time and labor saving, convenience in explosive management, capability of cutting the force of the explosive due to the fact that the C-shaped energy collecting pipes are arranged in the grains, capability of increasing the intervals of the blast holes, saving the production cost, improving the working efficiency and good market scene. For the coal mines or cut holes, as no detonating cord exists, the explosive columns filled with the C-shaped energy gathering pipes are placed in the uncoupled strips in a continuous and parallel manner by adopting a continuous charging mode, and the explosive columns are fastened with the uncoupled strips by using a binding belt or an adhesive tape.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. The utility model provides a tunnel smooth blasting uncouples and gathers and to charge means which characterized in that: the energy collection device comprises a C-shaped energy collection pipe, wherein energy collection hollow columns are symmetrically arranged in the C-shaped energy collection pipe, the cross sections of the energy collection hollow columns are of conical structures, the top ends of the energy collection hollow columns are energy collection embedded ends, the energy collection included angle of the energy collection embedded ends is 30-70 degrees, and the C-shaped energy collection pipe is installed and used by adopting the following charging method:
a. One end or two ends of the energy-collecting hollow column on the C-shaped energy-collecting pipe are respectively plugged by sealing plugs;
b. Cutting off a packaging bag at one end of the pasty medicine column;
c. Pinching the two sides of the opening direction of the C-shaped energy gathering pipe, pinching the two sides of the C-shaped energy gathering pipe towards the opening direction, then plugging the C-shaped energy gathering pipe into the explosive column, and tightly plugging the edge of the explosive column into the explosive column;
d. The explosive columns which are plugged with the C-shaped energy gathering pipes are placed in the uncoupled strips, spaced charge or continuous charge is adopted, and when spaced charge is adopted, explosive columns which are placed at intervals are strung together by detonating cords;
e. the cartridge is secured to the uncoupled strip with a fastening member.
2. A tunnel smooth blasting uncoupled shaped charge according to claim 1 and wherein: the top end of the uncoupled strip is provided with an opening, and the C-shaped energy collecting tube is inserted into the grain and then placed in the uncoupled strip.
3. A tunnel smooth blasting uncoupled shaped charge according to claim 2 and wherein: and the two sides of the uncoupled strip are arc-shaped structures corresponding to the side wall structures of the C-shaped energy gathering tube.
4. A tunnel smooth blasting uncoupled shaped charge according to claim 2 and wherein: and the bottom end of the uncoupled strip is provided with a reinforcing rib.
5. A tunnel smooth blasting uncoupled shaped charge according to claim 1 and wherein: the wall thickness of the top end of the side edge of the energy-gathering hollow column is smaller than that of the bottom end of the side edge of the energy-gathering hollow column.
6. A tunnel smooth blasting uncoupled shaped charge according to claim 1 and wherein: the wall thickness of the bottom edge of the energy-collecting hollow column is smaller than that of the bottom edge of the C-shaped energy-collecting pipe.
7. A tunnel smooth blasting uncoupled shaped charge according to claim 2 and wherein: the C-shaped energy collecting pipe is connected with the uncoupled strip in a buckling mode, a clamping groove is formed in the outer side of the C-shaped energy collecting pipe, and buckles are respectively arranged on two sides of the uncoupled strip opening and correspond to the clamping groove of the C-shaped energy collecting pipe in position.
8. A tunnel smooth blasting uncoupled shaped charge according to claim 1 and wherein: the device also comprises a fastening part which is arranged above the C-shaped energy gathering pipe and fixes the C-shaped energy gathering pipe and the uncoupled strip.
9. A tunnel smooth blasting uncoupled shaped charge according to claim 1 and wherein: sealing plugs corresponding to the energy-collecting hollow column structure are respectively arranged at one end or the upper end and the lower end of the energy-collecting hollow column.
CN201810879176.7A 2018-08-03 2018-08-03 Tunnel smooth blasting uncoupled shaped charge device and charge method Active CN108731554B (en)

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CN201810879176.7A CN108731554B (en) 2018-08-03 2018-08-03 Tunnel smooth blasting uncoupled shaped charge device and charge method
PCT/CN2019/070165 WO2020024558A1 (en) 2018-08-03 2019-01-03 Tunnel smooth blasting uncoupled shaped charge device and charge method

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109764781B (en) * 2019-03-14 2021-03-23 中交隧道工程局有限公司 Asymmetric uncoupled fine charging sleeve device
CN113062747B (en) * 2021-03-19 2024-08-30 重庆交通大学 Multifunctional construction trolley and hydraulic blasting method for soft and hard alternate complex layered stratum tunnel
CN113154970A (en) * 2021-03-31 2021-07-23 安徽理工大学 Novel perforating and joint-cutting energy-gathering medicine bag
CN113108659A (en) * 2021-04-19 2021-07-13 太原理工大学 A loaded constitution for controlling strip mine blasting root
CN113154974B (en) * 2021-05-20 2023-01-20 唐山开滦建设(集团)有限责任公司 Tunnel roof pressing smooth blasting method
CN113607000B (en) * 2021-07-26 2023-08-15 太原理工大学 Composite blasting directional charging tube string device
CN116538867A (en) * 2023-05-05 2023-08-04 昆明理工大学 Energy-collecting water pressure smooth blasting joint cutting energy-collecting pipe and water spaced charging structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101033932A (en) * 2007-03-05 2007-09-12 中国水利水电第八工程局 Method of energy cumulative presplitting and smoothsurface blasting and special device therof
CN204988049U (en) * 2015-08-06 2016-01-20 魏华昌 Box -like gathering of tunnel universal set can charging means
CN108317921A (en) * 2018-04-13 2018-07-24 张友明 Explosive angle adjustable integral type cumulative pipe device and its assemble method are directly filled in a kind of rock gangway photoface exploision
CN208780028U (en) * 2018-08-03 2019-04-23 惠州市兴鲁节能科技有限公司 A kind of tunnel photoface exploision does not couple beehive-shaped charge device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273564A (en) * 1959-11-19 1961-10-13 Explosives soil tillage method and its implementation device
US4191265A (en) * 1978-06-14 1980-03-04 Schlumberger Technology Corporation Well bore perforating apparatus
SE516119C2 (en) * 1999-08-27 2001-11-19 Thoreb Ab Method and apparatus for assisting a driver of a vehicle
US6439121B1 (en) * 2000-06-08 2002-08-27 Halliburton Energy Services, Inc. Perforating charge carrier and method of assembly for same
US7942098B2 (en) * 2006-08-29 2011-05-17 Schlumberger Technology Corporation Loading tube for shaped charges
GB2503186B (en) * 2009-11-25 2015-03-25 Secr Defence Shaped charge casing
CN201672890U (en) * 2010-06-04 2010-12-15 时述光 Rock blasting splitter capable of lengthening distance between two adjacent blast holes
CN202002580U (en) * 2011-01-17 2011-10-05 王宝国 Directional control blasting cartridge roll
US8904934B1 (en) * 2011-01-28 2014-12-09 The United States Of America As Represented By The Secretary Of The Navy Segmented flexible linear shaped charge
KR101392158B1 (en) * 2012-04-16 2014-05-08 백종현 The direction controlling implement with the vibration cut off in the charge hole to obstruct propagation of blasting vibration, and the blasting method using that implement
CN203349716U (en) * 2013-06-06 2013-12-18 林加剑 Multi-face energy-gathered directional cutting device
CN203928912U (en) * 2014-01-16 2014-11-05 安徽理工大学 The directional cumulation demolition set that a kind of energy is strengthened
CN103791788B (en) * 2014-02-27 2015-06-24 山东科技大学 A Method of Uncoupling Peripheral Holes for Continuous Charge
CN103983153A (en) * 2014-05-23 2014-08-13 中国科学技术大学 Case circular discontinuous energy concentrating jet flow cracker
CN204007362U (en) * 2014-07-21 2014-12-10 马鞍山矿山研究院爆破工程有限责任公司 A kind of directional cutting explosion means for loading
CN204268978U (en) * 2014-11-12 2015-04-15 安徽理工大学 A kind of energy collecting type powder column housing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101033932A (en) * 2007-03-05 2007-09-12 中国水利水电第八工程局 Method of energy cumulative presplitting and smoothsurface blasting and special device therof
CN204988049U (en) * 2015-08-06 2016-01-20 魏华昌 Box -like gathering of tunnel universal set can charging means
CN108317921A (en) * 2018-04-13 2018-07-24 张友明 Explosive angle adjustable integral type cumulative pipe device and its assemble method are directly filled in a kind of rock gangway photoface exploision
CN208780028U (en) * 2018-08-03 2019-04-23 惠州市兴鲁节能科技有限公司 A kind of tunnel photoface exploision does not couple beehive-shaped charge device

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