CN117006908A - Underwater blasting electronic detonator leg wire bundling method and bundling device - Google Patents

Underwater blasting electronic detonator leg wire bundling method and bundling device Download PDF

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Publication number
CN117006908A
CN117006908A CN202311212990.0A CN202311212990A CN117006908A CN 117006908 A CN117006908 A CN 117006908A CN 202311212990 A CN202311212990 A CN 202311212990A CN 117006908 A CN117006908 A CN 117006908A
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CN
China
Prior art keywords
electronic detonator
bundling
bus
blast hole
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311212990.0A
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Chinese (zh)
Inventor
牛草原
李勇海
毛龙
岑峰
彭波
梁超
韩永刚
吴校全
杨嘉毅
刘文胜
周新亚
陈文尹
马永长
何晓东
钱有伟
朱利荣
施炎坤
朱俊
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China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
Original Assignee
China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Second Engineering Co Ltd of CTCE Group
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Filing date
Publication date
Application filed by China Tiesiju Civil Engineering Group Co Ltd CTCE Group, Second Engineering Co Ltd of CTCE Group filed Critical China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Priority to CN202311212990.0A priority Critical patent/CN117006908A/en
Publication of CN117006908A publication Critical patent/CN117006908A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04Arrangements for ignition
    • F42D1/045Arrangements for electric ignition
    • F42D1/05Electric circuits for blasting
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/12Underwater drilling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/12Installations of electric cables or lines in or on the ground or water supported on or from floats, e.g. in water

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The application discloses a clustering method and a clustering device for foot wires of an underwater blasting electronic detonator, wherein the clustering method comprises the following steps: lowering the guide pipe and drilling; the wall surface of the guide tube is provided with a through hole, and a blast hole is formed after drilling; filling explosive cartridges and electronic detonators into the blast holes along the guide tubes; the explosive roll is tightly bound by using a protective rope, and one end of the protective rope extends out of the blast hole; the electronic detonator is connected with a foot line extending out of the blast hole, and the foot line is bound on the protective rope through a waterproof adhesive tape; removing the guide tube, and taking out the foot line and the protection rope from the through hole; bundling the leg wires; foot lines of all blast holes are connected in parallel to one end of a bus through a wire clip, the bus is bound on a protection rope through a waterproof adhesive tape, the waterproof bag is sleeved outside all the wire clips and then bound on a buoy, and the other end of the bus is connected with an initiator. The underwater blasting electronic detonator leg wire bundling method and the bundling device are efficient and reliable in bundling, can improve underwater charging efficiency, reduce flushing of water flow on detonator leg wires, and guarantee safety of underwater drilling blasting.

Description

Underwater blasting electronic detonator leg wire bundling method and bundling device
Technical Field
The specification relates to the technical field of underwater blasting construction, in particular to an underwater blasting electronic detonator leg wire bundling method and a bundling device.
Background
The electronic detonator is also called as a digital electronic detonator, a digital detonator or an industrial digital electronic detonator, namely an electronic detonator which adopts an electronic control module to control the detonation process. The electronic detonator detonation is widely applied in the field of underwater blasting due to the characteristics of high safety and delay control accuracy.
The drilling and blasting is a blasting mode commonly used under water, the underwater drilling and blasting needs a guide pipe to assist in lowering a drill rod to drill and charge, and for an operation area with large drilling depth and sudden water depth, the guide pipe and the drill rod need to be connected in sections to achieve the requirement of drilling and charging. For stable initiation, a single blasthole is typically placed with more than 2 electronic detonators, each detonating being initiated by a water resistant tensile long leg wire.
However, due to the influence of water flow flushing and blast hole depth, the detonator long leg wire collecting efficiency is low, and the contact position of the leg wire and the blast hole orifice and the contact position of the leg wire and the hull are easy to be rubbed and broken. The single blasting of the drilling blasting is often multi-row blasthole blasting, for water operation, especially offshore operation, the window period of effective construction is short, so that the problem of long leg wire bundling of the multi-blasthole detonator is more remarkable, and the charging operation efficiency is seriously influenced.
Disclosure of Invention
In view of the defects of the prior art, an object of the specification is to provide an underwater blasting electronic detonator leg wire bundling method and bundling device, which are efficient and reliable in bundling, can improve underwater charging efficiency, reduce flushing of water flow to detonator leg wires and ensure underwater drilling blasting safety.
In order to achieve the above purpose, the embodiment of the present specification provides a method for bundling leg wires of an underwater blasting electronic detonator, comprising the steps of:
lowering the guide pipe and drilling; the wall surface of the guide tube is provided with a through hole, and a blast hole is formed after drilling;
filling the cartridge and the electronic detonator into the blast hole along the guide tube; binding the explosive roll by using a protective rope, wherein one end of the protective rope extends out of the blast hole; the electronic detonator is connected with a foot line extending out of the blast hole, and the foot line is bound on the protection rope through a waterproof adhesive tape;
removing the guide tube, and taking out the foot wire and the protection rope from the through hole;
bundling the leg wires; foot lines of all blast holes are connected in parallel to one end of a bus through a wire clip, the bus is bound on the protection rope through a waterproof adhesive tape, a waterproof bag is sleeved outside all the wire clips and then bound on a buoy, and the other end of the bus is connected with an initiator.
In the step of lowering the guide pipe and drilling, after the drill and detonation boat is anchored and positioned, lifting the guide pipe to the surface of the river bed by adopting a lifting mechanism according to the design coordinates of the blast hole, and starting drilling to the design depth of the blast hole after the drill rod is lowered to the surface of the river bed along the guide pipe; the length of the guide pipe is lengthened according to the elevation of the river bed surface, and the length of the drill rod is lengthened according to the depth of the blast hole.
As a preferred embodiment, after drilling to the design depth of the blast hole, sequentially lifting a plurality of sections of drill rods by adopting the lifting mechanism, and keeping the position of the guide tube motionless so that the guide tube is used as a passage for the coil to be lowered; the number of the lifting mechanisms is greater than or equal to four.
As a preferred embodiment, the protection rope is a tensile nylon rope; the cartridge selects the water gel explosive with good water resistance.
As a preferred embodiment, in the step of loading the cartridge and the electronic detonator, the cartridge is continuously and slowly placed into the blasthole along the guide tube, and the protection cord is tensioned; and after the cartridge is lowered to the bottom of the blast hole, the blast hole is blocked by broken stone, and meanwhile, the protective rope is lifted.
As a preferred embodiment, in the step of removing the guide tube, the guide tube is lifted to a proper height, and the leg wire and the protection rope are hooked out of the through hole together to the drill and detonation vessel by adopting a C-shaped hook; then, continuously lifting the guide pipe, lifting the connecting joint of the guide pipe to an operation platform, dismantling the guide pipe above the connecting joint, and pulling out the leg wire and the protection rope from the lower port of the dismantled guide pipe to the drill and detonation vessel; and (3) circularly operating, namely after all the guide pipes are removed, collecting foot lines and protection ropes of the single blast hole on the drilling and blasting boat.
As a preferred embodiment, in the step of bundling the leg wires, the other end of the bus is connected with an initiator and then placed on a drill and detonation vessel; and throwing the buoy on the water surface, and charging and detonating the detonator after the drill and detonation ship sails to a safe area and carries out safety warning.
As a preferred embodiment, a flexible sleeve is used to protect the contact location of the foot line with the borehole opening and the contact location of the busbar with the drill and detonation vessel.
As a preferable implementation mode, the inside of the line card is coated with waterproof silicone grease, the outside of the line card is wrapped by an electrician adhesive tape, and finally, all the line cards are sleeved with waterproof bags.
The embodiment of the specification also provides an underwater blasting electronic detonator leg wire bundling device, which comprises:
the guide tube is provided with a through hole on the wall surface;
the drill rod is used for drilling a plurality of blast holes, the blast holes are internally provided with explosive cartridges and electronic detonators, and the electronic detonators are connected with foot lines extending out of the blast holes;
the protection rope is used for binding the explosive roll, and one end of the protection rope extends out of the blast hole; the foot line is bound on the protective rope through a waterproof adhesive tape;
the plurality of foot lines are connected in parallel with one end of the bus through line cards, and the other end of the bus is connected with the initiator; the bus is bound on the protection rope through a waterproof adhesive tape;
and the plurality of line cards are sleeved with waterproof bags, and the plurality of line cards are bound on the buoy.
The beneficial effects are that:
according to the underwater blasting electronic detonator leg wire bundling method provided by the embodiment, the guiding constraint function can be provided by the downward-guiding pipe, so that a downward-guiding channel is provided for a drilling tool, and the positioning accuracy of drilling is ensured; and a channel is provided for charging, so that the explosive roll is ensured to be smoothly lowered to the bottom of the blast hole. The wall surface of the guide pipe is provided with a through hole, so that water flow in the guide pipe can be discharged, and the influence of water level pressure difference in the guide pipe on the positioning precision of the guide pipe is reduced; meanwhile, the through holes can be used as wire taking openings of the detonator leg wires and the protection ropes, so that the leg wires and the protection ropes can be conveniently collected, and the charging efficiency is improved.
And after all the foot lines are collected, the line cards are bound on the floats, and the waterproof bags are sleeved outside all the line cards, so that the stability of detonation can be ensured. Foot lines and buses of the electronic detonator are bound on the protective rope through waterproof adhesive tapes, so that the foot lines and buses can be prevented from being damaged by tensile force.
In conclusion, the underwater blasting electronic detonator leg wire bundling method is efficient and reliable, can improve underwater charging efficiency, reduces flushing of water flow on detonator leg wires, ensures safety of underwater drilling blasting, has the advantages of simple process, strong operability, high leg wire bundling efficiency and the like, and is suitable for underwater blasting construction.
Specific embodiments of the application are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the application are not limited in scope thereby.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart of steps of a method for bundling leg wires of an underwater blasting electronic detonator provided in this embodiment;
fig. 2 is a schematic structural diagram of the step S10 in fig. 1;
fig. 3 is a schematic structural diagram of the step S20 in fig. 1;
fig. 4 and 5 are schematic structural views when step S30 in fig. 1 is performed;
fig. 6 is a schematic structural diagram of the step S40 in fig. 1;
fig. 7 is an enlarged schematic view of the structure at a in fig. 3, 4, 5 and 6;
fig. 8 is an enlarged schematic view of the structure at B in fig. 6.
Reference numerals illustrate:
1. designing depth; 2. a drill rod; 3. a guide tube; 4. a through hole; 5. drilling and blasting ship; 6. a river bed surface; 7. an electronic detonator; 8. a primer; 9. a blast hole; 10. a cartridge; 11. breaking stone; 12. a leg wire; 13. a protective rope; 14. a bus; 15. and (5) floating.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, shall fall within the scope of the application.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1. The embodiment of the application provides an underwater blasting electronic detonator leg wire bundling method, which comprises the following steps:
step S10: the guide tube 3 is lowered and drilling is performed.
Specifically, as shown in fig. 2, a through hole 4 is provided in the wall surface of the guide tube 3. After drilling, the blastholes 9 shown in fig. 3 are formed.
In step S10, as shown in fig. 2, after the drill and detonation boat 5 is anchored and positioned, the guide pipe 3 is lifted by the lifting mechanism to be lowered to the river bed surface 6 according to the design coordinates of the blast hole 9, and the drill pipe 2 is lowered to the river bed surface 6 along the channel in the guide pipe 3 and then starts to be drilled to the design depth 1 of the blast hole 9. The guide pipe 3 and the drill rod 2 are connected in multiple sections, the length of the guide pipe 3 is lengthened according to the elevation of the river bed surface 6, and the length of the drill rod 2 is lengthened according to the depth of the blast hole 9. Wherein the actual depth of the drilled blastholes 9 may be slightly larger than the design depth 1.
After drilling to the design depth 1 of the blast hole 9, the multi-section drill rod 2 is sequentially lifted by adopting a lifting mechanism, and the position of the guide tube 3 is kept still, so that the guide tube 3 is used as a passage for the explosive cartridge 10 and the broken stone 11 to be lowered.
In order to further increase the loading efficiency, the drilling machine may be provided with a plurality of lifting mechanisms, for example not less than four lifting mechanisms, and a plurality of blast holes 9 may be drilled simultaneously to reduce the extension time of the guide tube 3 and the drill rod 2.
Step S20: a cartridge 10 and an electronic detonator 7 are installed in the blast hole 9 along the guide tube 3.
Specifically, the electronic detonator 7 is connected with a foot line 12 extending out of the blast hole 9, and as shown in fig. 7, the foot line 12 is bound on the protective rope 13 through a waterproof adhesive tape. One end of the protection rope 13 extends out of the blast hole 9, and is then bundled on the drill and detonation boat 5 in step S30.
In this embodiment, cartridge 10 is selected to be a water-based explosive with good water resistance. The cartridges 10 are sequentially butt-jointed and the cartridges 10 are tightly bound by the protective string 13. The tail of the processed cartridge 10 is connected by the protective rope 13, the leg wire 12 of the electronic detonator 7 is loosely bound on the protective rope 13 through the waterproof adhesive tape, the leg wire 12 is prevented from being pulled to be damaged when the cartridge 10 is put down, and the line clamp at the end of the leg wire 12 can be subjected to waterproof treatment. An initiating primer 8 can be arranged outside the electronic detonator 7.
Preferably, the protection cord 13 is a tension nylon cord, which can prevent the damage of the leg wire 12 by the tension.
In step S20, as shown in fig. 3, the cartridge 10 is continuously and slowly placed into the blasthole 9 along the passage in the guide tube 3 at the time of loading, and the protection cord 13 is pulled tight. The explosive is taken and put lightly in the process of charging, so that the explosive cartridge 10 is prevented from colliding with the wall of the guide tube 3. After the cartridge 10 is lowered to the bottom of the blast hole 9, the blast hole 9 is blocked by the broken stone 11, the protecting rope 13 is pulled by proper force, and the guiding tube 3 is lifted after the cartridge 10 is determined to be filled into the hole, so that the charging operation is completed.
Step S30: the guide tube 3 is removed, and the leg wire 12 and the protective rope 13 are taken out of the through hole 4.
In step S30, as shown in fig. 4 and 5, after the loading is completed, the guide tube 3 is first lifted to a proper height, and the leg wire 12 and the protection rope 13 are hooked together from the through hole 4 to the drill and detonation vessel 5 by using a C-shaped hook. And then continuously lifting the guide pipe 3, dismantling the guide pipe 3 of the section above the connection joint after the connection joint of the guide pipe 3 is lifted to the operation platform of the drilling machine, and pulling out the foot line 12 and the protection rope 13 from the lower port of the dismantled guide pipe 3 to the drilling and blasting vessel 5. After the guide tube 3 is completely dismantled in a section-by-section mode, finally, the foot lines 12 and the protection ropes 13 of the single blast hole 9 are collected on the drilling and blasting vessel 5.
Step S40: the leg wires 12 are bundled.
The foot lines 12 and the protective ropes 13 of all the blastholes 9 are all bundled on the drill and detonation boat 5 according to step S30. In step S40, as shown in fig. 6 and 8, according to the number of single detonation blastholes 9, after the charging of all blastholes 9 is completed, the leg wires 12 of all blastholes 9 are connected in parallel to one end of the bus bar 14 through the line clip, the detonation bus bar 14 is loosely tied to the protection rope 13 through the waterproof adhesive tape, and after the waterproof bag is sleeved outside all the line clips, the detonation bus bar is tied to the float 15. That is, the leg wires 12 of all the blastholes 9 are connected in parallel to the blasting strand 14 by the wire clip and then gathered on the float 15. The other end of the bus bar 14 is connected to an initiator.
Specifically, the other end of the bus 14 is connected to an initiator and then placed on the drill and detonation vessel 5. After the blasting network (namely the leg wire 12, the bus 14, the initiator and the like) is connected, the buoy 15 is thrown on the water surface, after the drilling and blasting boat 5 sails to a safe area and carries out safety warning, the initiator charges and detonates, and the explosive cartridge 10 in the blast hole 9 is detonated by the bus 14, the leg wire 12, the electronic detonator 7 and the initiator 8 in sequence, so that the underwater drilling and blasting electronic detonator leg wire bundling and blasting operation is completed. And charging and detonating the detonator.
In this embodiment, the contact position of the foot line 12 with the hole 9 and the contact position of the busbar 14 with the drill and detonation vessel 5 are protected by a flexible sleeve to prevent the influence of water flow and contact wear on the detonation circuit.
Preferably, waterproof silicone grease is coated inside the line clamp, an electrician adhesive tape is used for wrapping the outside of the line clamp, and finally, waterproof bags are sleeved outside all the line clamp, so that the detonation stability is ensured through three waterproof measures.
According to the underwater blasting electronic detonator leg wire bundling method provided by the embodiment, the guiding constraint effect can be provided by the descending guide tube 3, a descending channel is provided for a drilling tool, and the positioning accuracy of drilling is ensured; providing a passage for the charge and ensuring that the cartridge 10 is smoothly lowered to the bottom of the blast hole 9. The wall surface of the guide pipe 3 is provided with a through hole 4 which can discharge the water flow in the guide pipe 3 so as to reduce the influence of the water level pressure difference in the guide pipe on the positioning precision of the guide pipe 3; meanwhile, the through holes 4 can be used as wire taking openings of the detonator leg wires 12 and the protection ropes 13, so that the leg wires 12 and the protection ropes 13 can be conveniently collected, and the charging efficiency is improved.
And after all the leg wires 12 are collected, the wire clips are bound on the floats 15, and waterproof bags are sleeved outside all the wire clips, so that the detonation stability can be ensured. The leg wire 12 and the bus 14 of the electronic detonator 7 are bound on the protective rope 13 through waterproof adhesive tapes, so that the leg wire 12 and the bus 14 can be prevented from being damaged by tensile force.
In conclusion, the underwater blasting electronic detonator leg wire bundling method is efficient and reliable, can improve underwater charging efficiency, reduces flushing of water flow on detonator leg wires 12, ensures safety of underwater drilling blasting, has the advantages of simple process, strong operability, high leg wire 12 bundling efficiency and the like, and is suitable for underwater blasting construction.
Referring to fig. 2 to 8, the embodiment of the present application further provides an underwater blasting electronic detonator leg wire bundling device, and it should be noted that the device of the present embodiment may perform the steps of the above method, and details of the related content refer to the above method section, which is not described herein again.
Specifically, the underwater blasting electronic detonator leg wire bundling device comprises a guide tube 3, a drill rod 2, a protection rope 13, a bus 14 and a buoy 15.
Wherein the wall surface of the guide tube 3 is provided with a through hole 4. The drill rod 2 is used to drill a number of blastholes 9 as required. The gun hole 9 is internally provided with a cartridge 10 and an electronic detonator 7, and the electronic detonator 7 is connected with a foot line 12 extending out of the gun hole 9. The protection cord 13 is used to tighten the cartridge 10. One end of the protection rope 13 extends out of the blast hole 9. The leg wire 12 is bound on the protective rope 13 by waterproof adhesive tape. The bus 14 is provided with one, a plurality of leg wires 12 are connected in parallel at one end of the bus 14 through a wire clip, and the other end of the bus 14 is connected with an initiator. The bus bar 14 is tied to the protective rope 13 by waterproof tape. Waterproof bags are sleeved outside the line cards, and the line cards are bound on the floats 15.
In this embodiment, the device embodiment corresponds to the method embodiment, which can solve the technical problem solved by the method embodiment, and accordingly achieve the technical effect of the method embodiment, and the specific application is not described herein.
It should be noted that, in the description of the present specification, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference therebetween, nor should it be construed as indicating or implying relative importance. In addition, in the description of the present specification, unless otherwise indicated, the meaning of "a plurality" is two or more.
Any numerical value recited herein includes all values of the lower and upper values that are incremented by one unit from the lower value to the upper value, as long as there is a separation of at least two units between any lower value and any higher value. For example, if it is stated that the number of components or the value of a process variable (e.g., temperature, pressure, time, etc.) is from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, then the purpose is to explicitly list such values as 15 to 85, 22 to 68, 43 to 51, 30 to 32, etc. in this specification as well. For values less than 1, one unit is suitably considered to be 0.0001, 0.001, 0.01, 0.1. These are merely examples that are intended to be explicitly recited in this description, and all possible combinations of values recited between the lowest value and the highest value are believed to be explicitly stated in the description in a similar manner.
Unless otherwise indicated, all ranges include endpoints and all numbers between endpoints. "about" or "approximately" as used with a range is applicable to both endpoints of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30," including at least the indicated endpoints.
All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional.
Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the inventors regard such subject matter as not be considered to be part of the disclosed subject matter.

Claims (10)

1. An underwater blasting electronic detonator leg wire bundling method is characterized by comprising the following steps:
lowering the guide pipe and drilling; the wall surface of the guide tube is provided with a through hole, and a blast hole is formed after drilling;
filling the cartridge and the electronic detonator into the blast hole along the guide tube; binding the explosive roll by using a protective rope, wherein one end of the protective rope extends out of the blast hole; the electronic detonator is connected with a foot line extending out of the blast hole, and the foot line is bound on the protection rope through a waterproof adhesive tape;
removing the guide tube, and taking out the foot wire and the protection rope from the through hole;
bundling the leg wires; foot lines of all blast holes are connected in parallel to one end of a bus through a wire clip, the bus is bound on the protection rope through a waterproof adhesive tape, a waterproof bag is sleeved outside all the wire clips and then bound on a buoy, and the other end of the bus is connected with an initiator.
2. The method for clustering the leg wires of the underwater blasting electronic detonator according to claim 1, wherein in the step of lowering a guide tube and drilling, after the drill and detonation boat is anchored and positioned, the guide tube is lifted by a lifting mechanism to be lowered to a river bed surface according to design coordinates of a blast hole, and a drill rod starts to be drilled to the design depth of the blast hole after being lowered to the river bed surface along the guide tube; the length of the guide pipe is lengthened according to the elevation of the river bed surface, and the length of the drill rod is lengthened according to the depth of the blast hole.
3. The method for bundling underwater blasting electronic detonator leg wires according to claim 2, wherein after drilling holes to the design depth of the blast holes, a plurality of sections of the drill rods are sequentially lifted by adopting the lifting mechanism, and the positions of the guide tubes are kept motionless, so that the guide tubes serve as a passage for the explosive cartridges to be placed down; the number of the lifting mechanisms is greater than or equal to four.
4. The method for clustering leg wires of an underwater blasting electronic detonator of claim 1 wherein the protective rope is a tensile nylon rope; the cartridge selects the water gel explosive with good water resistance.
5. The method of claim 1, wherein in the step of loading the explosive charge and the electronic detonator, the explosive charge is continuously and slowly placed into the blast hole along the guide tube, and the protective string is tensioned; and after the cartridge is lowered to the bottom of the blast hole, the blast hole is blocked by broken stone, and meanwhile, the protective rope is lifted.
6. The method for gathering leg wires of an underwater blasting electronic detonator according to claim 1, wherein in the step of removing the guide tube, the guide tube is lifted to a proper height, and the leg wires and the protective ropes are hooked out together from the through holes to a drill and detonation vessel by adopting a C-shaped hook; then, continuously lifting the guide pipe, lifting the connecting joint of the guide pipe to an operation platform, dismantling the guide pipe above the connecting joint, and pulling out the leg wire and the protection rope from the lower port of the dismantled guide pipe to the drill and detonation vessel; and (3) circularly operating, namely after all the guide pipes are removed, collecting foot lines and protection ropes of the single blast hole on the drilling and blasting boat.
7. The method for bundling leg wires of an underwater blasting electronic detonator according to claim 1, wherein in the step of bundling the leg wires, the other end of the bus bar is connected with an initiator and then placed on a drill-and-detonation vessel; and throwing the buoy on the water surface, and charging and detonating the detonator after the drill and detonation ship sails to a safe area and carries out safety warning.
8. The method for clustering the leg wires of the underwater blasting electronic detonators according to claim 1, wherein the contact position of the leg wires with the hole openings of the blastholes and the contact position of the bus bars with the drill and detonation vessel are protected by flexible sleeves.
9. The underwater blasting electronic detonator leg wire bundling method of claim 1 wherein the inside of the wire clip is coated with waterproof silicone grease, the wire clip is externally wrapped with an electrical adhesive tape, and finally, all the wire clips are externally wrapped with waterproof bags.
10. An underwater blasting electronic detonator leg wire bundling device, comprising:
the guide tube is provided with a through hole on the wall surface;
the drill rod is used for drilling a plurality of blast holes, the blast holes are internally provided with explosive cartridges and electronic detonators, and the electronic detonators are connected with foot lines extending out of the blast holes;
the protection rope is used for binding the explosive roll, and one end of the protection rope extends out of the blast hole; the foot line is bound on the protective rope through a waterproof adhesive tape;
the plurality of foot lines are connected in parallel with one end of the bus through line cards, and the other end of the bus is connected with the initiator; the bus is bound on the protection rope through a waterproof adhesive tape;
and the plurality of line cards are sleeved with waterproof bags, and the plurality of line cards are bound on the buoy.
CN202311212990.0A 2023-09-20 2023-09-20 Underwater blasting electronic detonator leg wire bundling method and bundling device Pending CN117006908A (en)

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CN202311212990.0A CN117006908A (en) 2023-09-20 2023-09-20 Underwater blasting electronic detonator leg wire bundling method and bundling device

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Application Number Priority Date Filing Date Title
CN202311212990.0A CN117006908A (en) 2023-09-20 2023-09-20 Underwater blasting electronic detonator leg wire bundling method and bundling device

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CN117006908A true CN117006908A (en) 2023-11-07

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