WO2022196572A1 - Procédé de chargement d'explosif et corps de montage d'explosif à usage de détonation - Google Patents

Procédé de chargement d'explosif et corps de montage d'explosif à usage de détonation Download PDF

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Publication number
WO2022196572A1
WO2022196572A1 PCT/JP2022/011032 JP2022011032W WO2022196572A1 WO 2022196572 A1 WO2022196572 A1 WO 2022196572A1 JP 2022011032 W JP2022011032 W JP 2022011032W WO 2022196572 A1 WO2022196572 A1 WO 2022196572A1
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WIPO (PCT)
Prior art keywords
loading
explosive
mounting body
parent die
rod
Prior art date
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PCT/JP2022/011032
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English (en)
Japanese (ja)
Inventor
和彦 水谷
Original Assignee
前田建設工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 前田建設工業株式会社 filed Critical 前田建設工業株式会社
Priority to JP2023507066A priority Critical patent/JPWO2022196572A1/ja
Priority to EP22771320.3A priority patent/EP4310440A1/fr
Publication of WO2022196572A1 publication Critical patent/WO2022196572A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods

Definitions

  • the present invention relates to an explosive loading method and an initiating explosive mounting body for loading an initiating explosive into a blast hole drilled in the face of a tunnel constructed by a blasting method.
  • the blasting method is known as a tunnel excavation method.
  • an explosive with a detonator is inserted into multiple blast holes (charge holes) drilled in the face, and the detonator is detonated to detonate the explosive and excavate the face.
  • a parent dynamite for initiation (hereinafter sometimes abbreviated as “parent die") from a position away from the face surface, and an additional dynamite for increasing the blasting power at the time of blasting Techniques for charging dynamite (hereinafter sometimes abbreviated as “additional die”) into blast holes have been proposed (see Patent Documents 1 to 3, for example).
  • This type of explosive loading technique is also called mechanical loading (remote loading) or the like.
  • a worker on a drill jumbo frame (cage) inserts the tip of a loading pipe into a blasting hole drilled in the face surface, and a hose connected to the loading pipe Compressed air is pumped from a loader provided at the proximal end of the die to the tip of the loading pipe, and the main die and the additional die are loaded into the charging hole by the loading pipe together with the compressed air.
  • Patent Document 4 a mounting frame, a loading pipe provided on the mounting frame so as to be able to advance and retract in the direction of loading an explosive, and a parent die provided on the mounting frame in front of the loading pipe to supply a parent die coaxially with the loading pipe.
  • a possible parent die feed mechanism a loading hose communicatively connected to the rear of the loading pipe, and an explosive loading mechanism coupled to the loading hose and pumping additional dies through the interior of the loading hose and loading pipe.
  • An explosive autoloader is disclosed in which a parent die is insertable into the tip of a loading pipe.
  • the loading pipe is moved in the loading direction while the parent die is supplied to the tip of the loading pipe, the tip reaches the deepest part of the blasting hole, and the additional die is loaded. It is said that the main die and the additional die can be loaded into the blasting hole by pulling out the loading pipe from the blasting hole at the same time as feeding from the rear of the pipe.
  • the present invention has been made in view of the above-mentioned problems, and its object is to make it possible to smoothly load a detonating explosive into a blast hole drilled in the face surface in a tunnel blasting method. To provide a convenient explosive loading method.
  • the present invention employs the following means. That is, the present invention is applied to a tunnel blasting method, and is an explosive loading method for loading a detonating explosive into a blast hole drilled in a face surface, wherein a hollow portion remains inside the rear end of a cylindrical holder. a step of holding the detonating explosive mounting body by the loading rod by inserting the tip of the loading rod into the hollow portion of the detonating explosive mounting body mounted with the detonating explosive, and and a detonating explosive loading step of loading the held detonating explosive mounting body into the blast hole, wherein the detonating explosive mounting body is mounted at the front end portion of the cylindrical holder in the detonating explosive mounting body.
  • a conical guide portion is provided that tapers toward the tip.
  • the leg wire extending from the detonator of the detonating explosive mounted on the detonating explosive mounting body is bound so that a ring-shaped portion having a diameter larger than the diameter of the blast hole is formed in the middle of the leg wire.
  • the ring-shaped portion of the leg line is aligned with the opening of the blasting hole on the face surface.
  • the binding material may be unbound by resistance to contact with the surrounding edge.
  • the present invention can be applied to a tunnel blasting method and can be specified as an initiating explosive mounting body that is loaded into a blasting hole drilled in the face surface.
  • the initiating explosive mounting body includes a tubular holder, an initiating explosive mounted inside the tubular holder, a hollow portion formed inside the rear end of the tubular holder, and the tubular holder. a conical guide provided at the front end of the shape holder and having a tapered shape toward the tip.
  • an explosive loading method capable of smoothly loading a detonating explosive into a blast hole drilled in the face surface.
  • FIG. 1 is a diagram showing the overall schematic configuration when an explosive loading device for loading explosives into a plurality of blasting holes for blasting drilled in the face of a tunnel according to Embodiment 1 is mounted on a construction heavy machine.
  • FIG. 2 is a front view showing an arrangement example of a plurality of blast holes formed in the face.
  • FIG. 3 is a diagram illustrating the state after the blasting hole drilled in the face is charged with explosives.
  • FIG. 4 is a side view of the parent die mount.
  • FIG. 5 is an exploded view of the parent die mount.
  • Figure 6 is a schematic side view of an explosive loader mounted on a guide cell;
  • FIG. 7 is a schematic front view of an explosive loading device mounted on a guide cell;
  • FIG. 1 is a diagram showing the overall schematic configuration when an explosive loading device for loading explosives into a plurality of blasting holes for blasting drilled in the face of a tunnel according to Embodiment 1 is mounted on a construction heavy machine.
  • FIG. 8 is a diagram illustrating an additional explosive supply device.
  • FIG. 9 is a front view of the parent die accommodation unit.
  • FIG. 10 is a rear view of the parent die containing unit.
  • FIG. 11 is a side view of the parent die containing unit.
  • FIG. 12 is a top view of the parent die containing unit.
  • FIG. 13 is a diagram illustrating various devices installed in the cockpit.
  • FIG. 14 is a diagram showing a procedure flow of automatic explosive loading control.
  • FIG. 15 is a diagram for explaining the state in which the rod alignment process is completed.
  • FIG. 16 is a diagram for explaining the state of the detonating explosive loading process.
  • FIG. 17 is a diagram for explaining the guide function of the conical guide portion in the parent die mounting body.
  • FIG. 18 is a diagram for explaining the state in which the detonating explosive loading process is completed.
  • FIG. 19 is a diagram for explaining the state in which the additional explosive loading process is completed.
  • FIG. 1 shows an explosive loading device 1 for loading explosives into a plurality of blasting holes (charge holes) 3 drilled in a face surface (rock bed) 2 of a tunnel TN according to Embodiment 1, which is mounted on construction heavy equipment. It is a figure which shows the whole outline structure at time.
  • the tunnel TN according to Embodiment 1 is constructed by a blasting method in which an explosive with a detonator is inserted into each blast hole 3 drilled in the face 2, and the detonator is detonated to explode the explosive and excavate the face 2. be done.
  • the explosive loading device 1 is mounted on the drill jumbo 10. Further, as shown in FIG. 1, a plurality of blast holes 3 are drilled in the face 2 with a predetermined drilling depth.
  • the drill jumbo 10 includes a carriage 11 for self-propelled operation, a drilling boom 12 provided on the front side of the carriage 11, an explosive loading boom 13, an operator's seat 14, a control device 15, a driving It is equipped with a power unit (not shown) and the like.
  • the drilling boom 12 and the explosive loading boom 13 are configured to be pivotably connected to the front end of the carriage 11, and extend and retract by the operation of a drive mechanism attached to the drilling boom 12 and the explosive loading boom 13. , tilting motion, swinging motion, rotating motion, and the like.
  • a pair of explosive loading booms 13 are provided on the drill jumbo 10, but the number of explosive loading booms 13 is not particularly limited.
  • a rock drilling machine 16 is rotatably supported on the drilling boom 12 .
  • the rock drilling machine 16 for example, a known machine that drills the blast hole 3 in the face surface 2 (rock rock) by impact motion and rotational action of an excavating drill is employed.
  • FIG. 2 is a front view showing an arrangement example of a plurality of blast holes 3 formed in the face surface 2.
  • FIG. 2 is a front view showing an arrangement example of a plurality of blast holes 3 formed in the face surface 2.
  • the stepped blasting method is used for excavating the face surface 2 .
  • a plurality of blasting target areas are set on the face surface 2, and blasting is performed by setting a time difference in the detonation timing of the detonator that detonates the explosive for each of the plurality of set blasting target areas.
  • the symbols #1 to #10 shown in FIG. 2 indicate the number of steps (corresponding to the blasting holes 3) to which the plurality of blasting holes 3 belong.
  • a plurality of blasting target areas are set on the face surface 2, and the number of steps corresponding to each blasting target area is assigned (installed).
  • 10 types of blasting target areas are set on the face surface 2, and the 1st stage #1 to the 10th stage #10 are assigned to each blasting target area.
  • FIG. 2 in order to facilitate understanding of the distribution of the steps #1 to #10 on the face surface 2, when the blast holes 3 belonging to the same step number are close to each other, those blast holes are grouped. They are connected by dashed lines.
  • the arrangement pattern of the blast holes 3 shown in FIG. 2, the number of stages, the number of blast holes 3 belonging to each stage, and the like are not particularly limited.
  • FIG. 3 is a diagram explaining the situation after the blasting hole 3 drilled in the face 2 is charged with explosives.
  • FIG. 3 shows a longitudinal section along the drilling direction (axial direction) of the blast hole 3 .
  • explosives are not manually loaded into the blast holes 3 but are automatically loaded using the explosive loading device 1 .
  • reference numeral 3A denotes the innermost portion of the blast hole 3
  • reference numeral 3B denotes the opening of the blast hole 3.
  • reference numeral 5 denotes a parent die mounting body in which a parent dynamite with a detonator (hereinafter abbreviated as "parent die") 4, which is an explosive for detonation, is mounted.
  • Reference numeral 6 denotes additional dynamite (hereinafter abbreviated as “additional die”) which is an additional explosive for increasing the blasting power at the time of blasting.
  • the type of the increasing die 6 is not particularly limited, for example, granular explosives and bulk type explosives can be preferably used.
  • the additional die 6 is not limited to granular explosives or bulk type explosives, and may be cartridge type explosives. In this embodiment, a granular explosive is used as an example.
  • FIG. 4 is a side view of the parent die mounting body 5.
  • FIG. FIG. 5 is an exploded view of the parent die mounting body 5.
  • the parent die mounting body 5 has a hollow cylindrical (tubular) member 51 and a conical guide portion 52 connected to the front end 51A side of the cylindrical member 51 . contains the parent die 4.
  • the tubular member 51 of the parent die mounting body 5 is a cylindrical paper tube, and the conical guide portion 52 is also made of paper.
  • the tubular member 51 and the conical guide portion 52 in the parent die mounting body 5 are not limited to being made of paper, and various materials can be used.
  • the conical guide portion 52 has a conical shape and is attached to the front end 51A of the tubular member 51 coaxially with the tubular member 51 .
  • Reference numeral 5A denotes the tip of the parent die mounting body 5. As shown in FIG. The tip portion 5A of the parent die mounting body 5 is formed by the tip-side vertex of the conical guide portion 52 . Reference numeral 5B denotes the rear end of the parent die mounting body 5, which is formed by the rear end of the cylindrical member 51. As shown in FIG. In the parent die mounting body 5 configured as described above, the outer diameter of the cylindrical member 51 is set smaller than the diameter of the blasting hole 3, and the parent die mounting body 5 is blasted as shown in FIG. The inside of the hole 3 can be loaded.
  • the parent die 4 employs, for example, a drug-containing hydrogen explosive, and is formed in the form of a packaged explosive (medicine-wrapped type) wrapped in paper, plastic film, or the like.
  • the parent die 4 has a stepped detonator 41 to which a leg wire 42 is connected.
  • a detonator with a fuse non-electrical detonator
  • the staged detonator 41 may be an electric detonator.
  • the cylindrical member 51 and the conical guide portion 52 in the parent die mounting body 5 are made of paper as a countermeasure against static electricity.
  • the stepped detonator 41 has a delaying charge interposed between an ignition charge and a detonating charge contained inside a case, and a shock wave for actuation (actuating current in the case of an electric ) is supplied, the detonation time (reference time) is set for each type so that the detonation will occur after a certain delay.
  • the detonation time may be set, for example, at intervals of several tenths of a second.
  • stage detonator 41 may be, for example, a wireless detonator having a wireless detonator antenna (for example, a receiving coil) that receives AC magnetic field energy wirelessly transmitted from the detonator device.
  • a wireless detonator antenna for example, a receiving coil
  • a conical guide portion 52 is provided with a hole for pulling out the leg wire 42 to the outside, and the leg wire 42 is pulled out to the outside from the pull-out hole.
  • the length of the cylindrical member 51 is longer than the length of the parent die 4, and is mounted on the front end 51A side of the cylindrical member 51 as shown in FIG. Therefore, a hollow portion 53 is formed inside the rear end 51B side of the cylindrical member 51 . That is, the parent die mounting body 5 mounts the parent die 4 so that the hollow portion 53 remains inside the rear end of the tubular member 51 .
  • Reference numeral 43 shown in FIGS. 4 and 5 is a binding material for binding the leg wires 42 .
  • the binding material 43 binds the leg wires 42 in a loop and individually in the middle of the leg wires 42 to form a ring-shaped portion 42A in the middle of the leg wires 42 .
  • the binding material 43 is made of paper, for example, and is made of an easily breakable material that can be easily broken by a small external force.
  • the explosive loading device 1 is mounted on a guide cell 20 of an explosive loading boom 13, as shown in FIG.
  • FIG. 6 is a schematic side view of the explosive loading device 1 mounted on the guide cell 20.
  • FIG. FIG. 7 is a schematic front view of the explosive loading device 1 mounted on the guide cell 20.
  • FIG. FIG. 6 shows the front-rear direction of the guide cell 20 .
  • the explosive loading boom 13 is provided with a drive mechanism (not shown) for driving the guide cell 20. By this drive mechanism, the guide cell 20 can be swung horizontally, vertically, and It can freely move back and forth.
  • a guide cell 20 attached to an explosive loading boom 13 uses an explosive loading device 1 mounted on a drill jumbo 10 to automatically load explosives (primary die 4, additional die 6) into the blast hole 3 of the face 2.
  • the front side is arranged toward the face surface 2 side
  • the rear side is arranged toward the carriage 11 side.
  • the explosive loading device 1 has a parent die supply device 70 mounted on the guide cell 20, a loading rod 81, a loading rod feeding mechanism 80, and the like.
  • the parent die supply device 70 (initiation explosive supply device) includes a parent die accommodation unit 100 (initiation explosive accommodation unit) that accommodates a plurality of parent die mounted bodies 5 and a parent die accommodation unit 100. It is configured to include a driving parent die containing unit driving mechanism 90 (initial explosive containing unit driving mechanism).
  • a loading rod feeding mechanism 80 is attached to the rear end side of a long pipe-shaped loading rod 81 extending in one direction.
  • the loading rod feeding mechanism 80 moves the loading rod 81 in a posture in which the axial direction of the loading rod 81 is parallel to the extending direction of the guide cell 20, with the tip 811 of the loading rod 81 directed toward the front side of the guide cell 20. keeping.
  • An arrow X shown in FIG. 6 indicates a preset loading direction of the detonating explosive.
  • the central axis C1 of the loading rod 81 is parallel to the loading direction X of the detonating explosive, and the loading rod 81 is held by the loading rod feeding mechanism 80 so as to be driven forward and backward along the loading direction X of the detonating explosive.
  • the outer diameter of the tip 811 of the loading rod 81 is slightly smaller than the inner diameter of the rear end 5B of the parent die mounting body 5 (cylindrical member 51). Therefore, by inserting the front end 811 of the loading rod 81 into the hollow portion 53 from the rear end portion 5B side of the parent die mounting body 5 (cylindrical member 51), the parent die mounting body 5 is attached to the front end 811 side of the loading rod 81. can hold.
  • the material for forming the loading rod 81 is not particularly limited, it is preferable to use a member having a certain degree of rigidity, such as synthetic resin. Further, the guide cell 20 does not hinder the forward/backward movement of the loading rod 81 along the detonating explosive loading direction X, and supports the posture of the long loading rod 81 parallel to the detonating explosive loading direction X. A support member 21 may be provided.
  • the loading rod feeding mechanism 80 attached to the guide cell 20 can advance and retreat along the front-rear direction of the guide cell 20 .
  • the loading rod feed mechanism 80 may be composed of, for example, a drifter supported on the upper surface of the guide cell 20, and is guided by the guide cell 20 to reciprocate along the longitudinal direction of the guide cell 20. .
  • the loading rod feeding mechanism 80 can move back and forth along the extension direction of the guide cell 20 by, for example, operation of a feeder (not shown).
  • the feeder which is the driving source of the loading rod feeding mechanism 80, can be composed of, for example, a hydraulic cylinder or the like, but the loading rod feeding mechanism 80 may be driven by an electric driving source.
  • the loading rod 81 has a hollow pipe shape with a hollow passage 812 formed therein.
  • a pressure-feeding hose 82 for pressure-feeding the additional die 6 (additional explosive) is connected to the rear end side of the loading rod 81 so as to communicate with the hollow passage 812 .
  • the pumping hose 82 may be made of a synthetic resin hose, a rubber hose, or the like.
  • FIG. 8 is a diagram illustrating an additional explosive supply device 83 that feeds and feeds the additional die 6 to the loading rod 81 through a pressure feed hose 82 .
  • the supplementary explosive supply device 83 is mounted, for example, on a loading platform of a work vehicle 200 (see FIG. 1) arranged on the rear side of the drill jumbo 10 with respect to the face surface 2 .
  • the additional explosive supply device 83 may be mounted on the drill jumbo 10, or may be arranged at another location.
  • the additional explosive supply device 83 includes an air compressor (pneumatic feeder) 84, a hopper 85 for storing the additional die 6, a chute 86, a pressure feed hose 82, an air supply hose 87, a junction pipe 88, and the like.
  • the hopper 85 has, for example, a transfer mechanism 89 capable of automatically weighing the stored increasing dies 6 and delivering a preset amount of increasing dies 6 to the chute 86 .
  • a transfer mechanism 89 for example, a rotary valve or the like may be adopted.
  • a merging pipe 88 is connected to the lower end of the chute 86
  • a pressure-feeding hose 82 is connected to the merging pipe 88 .
  • An air supply hose 87 extending from the air compressor 84 is connected to the junction pipe 88 .
  • the increasing die 6 transferred from the hopper 85 to the chute 86 by the operation of the transfer mechanism 89 joins with the compressed air supplied from the air compressor 84 through the air supply hose 87 in the junction pipe 88, and together with the compressed air, the increasing die 6 is pumped through the pumping hose 82 toward the hollow passage 812 of the loading rod 81 .
  • the parent die supply device 70 includes the parent die housing unit 100 (initial explosive housing unit) and the parent die housing unit driving mechanism 90 (initial explosive housing unit) for holding and driving the parent die housing unit 100 (detonation explosive housing unit). Explosive storage unit drive mechanism). Further, the main die housing unit driving mechanism 90 has a fixed portion 91 fixed to the guide cell 20 and a slider 92 provided so as to be interposed between the fixed portion 91 and the main die housing unit 100 . is doing.
  • the slider 92 has a mounting portion 93 on which the parent die housing unit 100 can be mounted and fixed, and a drive portion 94 interposed between the mounting portion 93 and the fixing portion 91 .
  • the parent die housing unit 100 is a housing box having a substantially rectangular parallelepiped shape.
  • the mounting portion 93 of the slider 92 is composed of, for example, a flat steel plate on which the bottom of the parent die housing unit 100 can be placed and fixed.
  • the parent die housing unit 100 is held in a posture parallel to it. Further, the slider 92 of the parent die housing unit driving mechanism 90 can reciprocate the parent die housing unit 100 held on the mounting portion 93 along the predetermined loading orthogonal direction Y.
  • the loading orthogonal direction Y is a direction orthogonal to the aforementioned detonating explosive loading direction X, and corresponds to the width direction of the guide cell 20 in this example.
  • the driving portion 94 of the slider 92 includes, for example, a linear shaft provided on one side of the mounting portion 93 and the fixed portion 91 and extending along the loading orthogonal direction Y, and a linear bushing housing provided on the other side and receiving the linear shaft. It may be a direct acting mechanism including a unit. However, the driving portion 94 of the slider 92 is not limited to the linear motion mechanism having the above configuration.
  • the parent die housing unit driving mechanism 90 is controlled by the control device 15 so that the parent die 4 having the initiation time corresponding to the number of steps of the target blasting hole 3 to be charged with the explosive is attached to the parent die 4.
  • the mounting body 5 is fed to a predetermined detonating explosive supply position coaxially forward of the loading rod 81 .
  • FIG. 9 to 12 are diagrams for explaining the parent die housing unit 100.
  • FIG. FIG. 9 is a front view of the parent die housing unit 100.
  • FIG. FIG. 10 is a rear view of the parent die housing unit 100.
  • FIG. 11 is a side view of the parent die housing unit 100.
  • FIG. 12 is a top view of the parent die housing unit 100.
  • the parent die accommodating unit 100 is a substantially rectangular parallelepiped case that accommodates a plurality of parent die mounting bodies 5 and whose outer shape is defined by a front surface 101 , a rear surface 102 , a pair of side surfaces 103 , an upper surface 104 and a bottom surface 105 .
  • each direction of the parent die accommodating unit 100 shown in FIGS. 9 to 12 indicates the relative positional relationship of each element of the parent die accommodating unit 100.
  • a rear wall 110, a side wall 120, and a bottom wall 130 are provided on the rear surface 102, the pair of side surfaces 103, and the bottom surface 105 of the parent die housing unit 100, respectively. Also, the upper surface 104 of the parent die housing unit 100 is open.
  • the interior of the parent die housing unit 100 is partitioned into a plurality of sorting housing sections 150 by partition walls 140 .
  • nine partition walls 140 are arranged at intervals in the width direction of the parent die accommodation unit 100, and the interior of the parent die accommodation unit 100 is divided into first sorting and accommodation sections 150 (#1) to It is partitioned into the tenth sorting storage section 150 (#10).
  • Each partition wall 140 is arranged parallel to the side surface 103 (side wall 120 ) and extends from the front surface 101 to the rear surface 102 .
  • Each partition wall 140 is arranged at regular intervals in the width direction of the parent die accommodating unit 100 . As shown in FIGS.
  • the parent die housing unit 100 has a posture in which the longitudinal direction is parallel to the loading direction X of the detonating explosive and the width dimension is parallel to the loading orthogonal direction Y, and the slider 92 is installed on the mounting portion 93 of the .
  • the sorting and accommodating sections 150 in the parent die accommodating unit 100 are arranged side by side along the loading orthogonal direction Y. As shown in FIG. That is, the front-rear direction of each sorting accommodation portion 150 in the parent die accommodation unit 100 is parallel to the loading orthogonal direction Y and the central axis C1 of the loading rod 81 .
  • the parent die mounted bodies 5 mounted with the parent dies 4 having different detonation times in the stepped detonators 41 are sorted and accommodated. It is configured so that it can be
  • Each sorting storage unit 150 can store a plurality of detonating explosives having the same detonation time.
  • the first step #1 to the tenth step #10 are assigned to each blasting target area set on the face surface 2 .
  • the blasting holes 3 belonging to (associated with) the 1st stage #1 to the 10th stage #10 are defined as the 1st stage blasting hole 3 (#1) to the 10th stage blasting hole 3 (#10)
  • 1st stage blasting hole 3 (#1) to 10th stage blasting hole 3 (#10) are equipped with a parent die 4 having an initiation time corresponding to the number of steps #1 to #10.
  • the die mounting body 5 (#1) to the tenth parent die mounting body 5 (#10) are loaded.
  • the first parent die mounting body 5 (#1) to the tenth parent die mounting body 5 ( #10) are sorted and stored.
  • each sorting container 150 can contain, for example, about five parent die mounted bodies 5 .
  • the storage capacity of the parent die mounting bodies 5 in each sorting storage section 150 may be increased or decreased.
  • the front end portion 5A of the parent die mounting body 5 in each sorting container 150 is positioned on the front surface 101 side, and the rear end portion 5B is positioned on the rear surface 102 side. are housed in
  • each sorting and accommodating section 150 accommodates a plurality of parent die mounted bodies 5 arranged in a row in the vertical direction and arranged in multiple stages.
  • a plurality of parent die mounted bodies 5 housed in each sorting housing portion 150 are sorted from the side closest to the bottom surface 105 (bottom wall 130) to the lowermost (first stage) parent die mounted body 5, the second stage , . . . are called the top parent die mounting body 5.
  • the rear wall 110 of the parent die housing unit 100 covers the rear surface 102 while leaving the lower area of the rear surface 102 as an opening. Therefore, a "rod insertion opening 106" is formed as an opening in the lower region of the rear surface 102 of each sorting container 150. As shown in FIG.
  • the rod insertion port 106 is an opening for inserting the loading rod 8 forwardly driven along the detonating explosive loading direction X by the loading rod feeding mechanism 80 described in FIG.
  • the height dimension of the rod insertion opening 106 is larger than the outer diameter of the tubular member 51 in the parent die mounting body 5 and smaller than twice the outer diameter of the tubular member 51 .
  • the front surface 101 of the parent die housing unit 100 is provided with a stop plate 160 that partially covers the front surface 101 .
  • a stop plate 160 is attached to the front end of the partition wall 140 in each of the plurality of sorting storage units 150 .
  • the partition wall 140 in each sorting container 150 is arranged such that the discharge port 107 is formed in the lower region of the front surface 101 of each sorting container 150 .
  • This discharge port 107 is an opening for discharging the bottom (first) parent die mounting body 5 accommodated in each sorting container 150 to the outside, and corresponds to an explosive discharge port for detonation.
  • each sorting container 150 The discharge port 107 formed on the front surface 101 side of each sorting container 150 is arranged to face the rod insertion port 106 formed on the rear surface 102 side. Similarly to the rod insertion port 106, the height dimension of the discharge port 107 in each sorting container 150 is also greater than the outer diameter of the cylindrical member 51 in the parent die mounting body 5, and the outer diameter of the cylindrical member 51 has a dimension smaller than twice the Therefore, each sorting storage section 150 can eject only the parent die mounting body 5 at the bottom (first stage) to the outside through the ejection port 107 .
  • the stopper plate 160 prevents the mother die mounted bodies 5 positioned from the second stage to the uppermost stage of each sorting container 150 from being ejected to the outside from the front surface 101 .
  • the width dimension of the stopper plate 160 is smaller than the width dimension of each sorting container 150 .
  • a leg wire lead-out opening 108 is formed on the side (side) of the stop plate 160 in each sorting container 150, and the leg wire 42 of the parent die mounting body 5 can be pulled out to the outside through the leg wire lead-out opening 108. can.
  • the leg lines 42 are shown only for a portion of the parent die mounting body 5 accommodated in the parent die accommodation unit 100 for drawing purposes.
  • each sorting container 150 of the parent die container unit 100 is provided with a pressing mechanism 170 that presses the parent die mounting bodies 5 housed in each sorting container 150 downward (bottom surface 105).
  • the specific configuration of the pressing mechanism 170 is not particularly limited, for example, it includes a strip-shaped pressing plate 171 and a torsion spring (torsion spring) 172 interposed between the pressing plate 171 and the rear wall 110 .
  • the rotation shaft portion 171A of each pressing plate 171 may be supported by the partition wall 140 or the side wall 120 . Further, the pressing plate 171 is urged in the A direction shown in FIG.
  • the pressing plate 171 of the pressing mechanism 170 can always press the parent die mounting bodies 5 housed in the sorting housing portions 150 downward (bottom surface 105).
  • the lowermost (first step) parent die mounting body 5 can be placed on the bottom surface 105 (bottom surface). It can always be pressed against the wall 130).
  • the explosive loading system S including the explosive loading device 1 configured as described above is applied to a stepped blasting method in which blasting is performed with a time difference for each of a plurality of blasting target areas assigned to the face surface 2 of the tunnel TN.
  • This is an automatic explosive loading system that automatically loads explosives into a plurality of blasting holes 3 drilled in a surface 2 using an explosive loading device 1 for automatic explosive loading control.
  • the explosive loading system S in this embodiment includes the above-described drill jumbo 10, the additional explosive supply device 83, and the control device 15.
  • the control device 15 controls the explosive loading device 1 and the additional explosive supply device 83, thereby Control automatic loading.
  • FIG. 13 is a diagram illustrating various devices installed in the cockpit 14. As shown in FIG. The cockpit 14 is provided with a monitor (display device) 210, a control device 15, and an input device to the control device 15 (charge remote control switch 231, operation panel 232, keyboard 233, pointing device 234, etc.). .
  • the drill jumbo 10 is operated by a worker using various devices of the input device to manually operate the drilling boom 12, the explosive loading boom 13, the guide cell 20, the explosive loading device 1, the additional explosive feeding device 83, etc. in the drill jumbo 10. It is possible to operate.
  • the control device 15 controls the explosive loading boom 13, the guide cell 20, the explosive loading device 1, etc., so that the blast hole 3 drilled in the face 2 is fully or semi-automatically controlled.
  • a parent die 4 and an additional die 6 can be loaded.
  • the control device 15 is, but not limited to, a computer including an input unit, a processing unit, an output unit, and the like.
  • the processing unit of the control device 15 can include a processor for executing various programs, a storage device (storage unit) for storing various programs and various information required for the operation of the processor, and the like.
  • FIG. 14 is a diagram showing a procedure flow of automatic explosive loading control executed by the controller 15 of the automatic explosive loading system S.
  • the carriage 11 of the drill jumbo 10 is driven to move close to the face 2 to be blasted, and the boom 12 for drilling is sequentially moved to the planned drilling position of the face 2 according to the blasting pattern. Then, a plurality of blast holes 3, 3, .
  • the control device 15 associates all the blast holes 3 with hole numbers.
  • the drill jumbo 10 may be a full-automatic drill jumbo (also called a “computer drill jumbo”). By automatically controlling the boom 12 and the rock drilling machine 16 , the blast holes 3 may be drilled sequentially at the planned drilling positions on the face surface 2 .
  • the blast holes 3 may be drilled sequentially at the planned drilling positions on the face surface 2 .
  • the first stage #1 to the tenth stage #10 are assigned to the face 2 for each blasting target area, and in step S1, the first stage #1 of the face 2
  • a first-stage blasting hole 3 (#1) to a tenth-stage blasting hole 3 (#10) each including one or a plurality of blasting hole groups are drilled for the first to tenth stages #10.
  • the parent die 4 having the initiation time set in association with each step number is inserted into the first stage blasting hole 3 (#1) to the tenth stage blasting hole 3 (#10).
  • the explosive loading boom 13 is placed near the face 2 in which the blast hole 3 is drilled by operation via an input device (for example, the operation panel 232). Further, as shown in FIG. 1, a working vehicle 200 is arranged behind the drill jumbo 10, and a predetermined amount of additional dies 6 are put into the hopper 85 of the additional explosive supply device 83. As shown in FIG.
  • step S2 the first coordinate P1 (X1, Y1, Z1) and the second coordinate P2 (X2, Y2) are automatically driven, and among the blast holes 3 drilled at multiple locations on the face surface 2 , the loading rod 81 is aligned so that the tip of the loading rod is coaxially opposed to the loading target blasting hole 3 TGT to which the explosives (parent die 4, additional die 6) should be loaded this time (rod alignment step ).
  • the control device 15 controls the first coordinate P1 (X1, Y1, Z1) and the second coordinate P2 (X2, Y2, Z2) of the deepest part 3A are associated with the hole number, and the blast hole related to the number of stages of the blast hole 3 corresponding to the hole number. and are stored in the storage device in association with each other. Therefore, the control device 15 refers to this blasting hole position information and reads out the first coordinates P1 (X1, Y1, Z1) and the second coordinates P2 (X2, Y2, Z2) corresponding to the loading target blasting hole 3 TGT .
  • FIG. 15 is a diagram for explaining the state in which the rod alignment process is completed.
  • the position of the loading rod 81 in the state where the rod alignment process is completed is referred to as "rod alignment completed position”.
  • the central axis C1 of the loading rod 81 arranged at the rod alignment completion position is coaxial with the central axis C2 of the blast hole 3 TGT to be loaded, and the tip 811 of the loading rod 81 , the blast hole 3 to be loaded is arranged at a position spaced apart from the opening 3B of the TGT by a predetermined dimension.
  • the distance between the tip 811 of the loading rod 81 and the hole 3B (hereinafter referred to as "the initial distance between the rod holes”) is not particularly limited.
  • the control device 15 refers to the blast hole stage number information and controls the parent die housing unit drive mechanism 90 to set the explosive loading boom 13 (guide cell 20) in front of the loading rod 81.
  • the parent die storage unit 100 initiation explosive storage unit
  • the parent die 4 initiation explosive
  • It is supplied to the detonating explosive supply position located coaxially forward of 81 (initial explosive supplying step).
  • the inside of the parent die accommodating unit 100 is divided into the first sorting and accommodating section 150 (#1) to the tenth sorting and accommodating section 150 (#10). Therefore, the control device 15 supplies the parent die mounting body 5 mounted with the parent die 4 having the initiation time corresponding to the stage number of the blast hole 3 TGT to be loaded to the above-described initiation explosive supply position. .
  • the parent die housing unit 100 has a plurality of sorting and housing sections 150 capable of mutually sorting and housing the parent die mounted bodies 5 mounted with the parent dies 4 (detonating explosives) having the detonation time. It is provided so as to be able to reciprocate along the charging orthogonal direction Y with respect to the explosive loading boom 13 (guide cell 20).
  • the sorting storage units 150 are arranged along the loading orthogonal direction Y and are provided reciprocatingly along the loading orthogonal direction perpendicular to the loading direction.
  • the control device 15 automatically controls the main die housing unit drive mechanism 90 to move the main die housing unit 100 along the loading orthogonal direction Y, thereby Blasting hole 3 Sorting storage in which parent die mounted bodies 5 (hereinafter referred to as "loading target parent die mounted bodies 5 TGT ”) mounted with parent dies 4 set with detonation seconds corresponding to the number of stages of TGT are stored.
  • a section 150 (hereinafter referred to as a “loading target sorting and containing section 150 TGT ”) can be arranged at a detonating explosive supply position located coaxially in front of the loading rod 81 .
  • the parent die mounting body 5 is accommodated in the lowest stage (first stage) of each sorting accommodation section 150 of the parent die accommodation unit 100. is held by the parent die housing unit 100 installed on the mounting portion 93 of the slider 92 and the loading rod feeding mechanism 80 so that the height of the center axis of the loading rod 81 substantially coincides with the height of the center axis C1 of the loading rod 81
  • the installation relationship of the loading rod 81 is defined.
  • the width dimension of each sorting container 150 in the parent die container unit 100 is set to a dimension substantially corresponding to the outer diameter of the cylindrical member 51 in the parent die mounting body 5 as described above.
  • the parent die mounting bodies 5 are accommodated in the sorting and accommodating sections 150 in a state in which the central axis positions of the parent die mounted bodies 5 (cylindrical members 51) are aligned with the center positions in the width direction of the respective sorting and accommodating sections 150.
  • the control device 15 controls the main die so that the center position in the width direction of the loading object sorting and storing section 150 TGT is arranged coaxially with the loading rod 81 (on the extension line of the central axis C1).
  • the storage unit 100 is moved.
  • the central axis of the parent die mounting body 5 TGT to be loaded which is housed in the lowest stage (first stage) of the sorting and storing part 150 TGT to be loaded, can be arranged coaxially with the central axis C1 of the loading rod 81. can.
  • the control device Reference numeral 15 designates the widthwise center position of the eighth sorting/accommodating section 150 (#8) in which the eighth parent die mounting body 5 (#8) as the loading target parent die mounting body 5 TGT is accommodated.
  • the slider 92 is actuated so that it is arranged on the upper front side (on the extension line of the central axis C1).
  • the central axis of the eighth parent die mounting body 5 (#8) accommodated in the lowest stage (first stage) in the eighth sorting and accommodating section 150 (#8) as the loading target sorting and accommodating section 150 TGT is loaded. It can be arranged coaxially with the central axis C ⁇ b>1 of the rod 81 . As a result, the eighth parent die mounting body 5 (#8) serving as the loading target sorting and receiving section 150 TGT can be positioned at the initial explosive supply position coaxially in front of the loading rod 81 .
  • step S3 the control device 15 automatically controls the loading rod feeding mechanism 80 to advance the loading rod 81 along the detonating explosive loading direction X, and feeds the loading target parent die to the detonating explosive supply position. While holding the mounting body 5 TGT at the tip 811 of the loading rod 81, the parent die mounting body 5 TGT to be loaded is loaded into the innermost portion 3A of the blast hole 3 TGT to be loaded (initial explosive loading step).
  • each sorting container 150 of the parent die container unit 100 has the discharge port 107 formed in the lower region of the front surface 101 . Therefore, when the loading rod feeding mechanism 80 forwards the loading rod 81 along the loading direction X of the detonating explosive, the loading rod 81 is fed from the rod insertion opening 106 corresponding to the loading target sorting storage section 150 TGT in the parent die storage unit 100 . tip 811 of the can be inserted.
  • the parent die mounting body 5 mounts the parent die 4 so that the hollow portion 53 remains inside the rear end of the tubular member 51 . Therefore, in the process of loading the detonating explosive, the tip 811 of the loading rod 81 inserted from the rod insertion opening 106 into the loading target sorting storage section 150 TGT is attached to the loading target parent die positioned at the bottom of the loading target sorting storage section 150 TGT . By inserting it into the hollow portion 53 of the body 5 TGT , the parent die mounting body 5 TGT to be loaded can be held at the tip 811 of the loading rod 81 .
  • the loading target parent die mounting body 5 TGT held by the tip end 811 of the loading rod 81 inserted into the loading target sorting storage section 150 TGT from the rod insertion port 106 can be easily forwarded by the loading rod 81.
  • the loading target parent die mounting body 5 TGT is coaxially held by the loading rod 81 .
  • FIG. 16 is a diagram for explaining the state of the detonating explosive loading process.
  • the discharge port 107 formed in the lower region of the front face 101 of each sorting container 150 is formed to face the rod insertion port 106 formed in the lower region of the rear face 102 side. Therefore, in the detonating explosive loading step, the loading rod 81 holding the loading target parent die mounting body 5 TGT is further forwarded along the detonating explosive loading direction X, thereby making the loading target sorting and accommodating part 150 TGT .
  • the parent die mounting body 5 TGT to be loaded in the lowest stage (first stage) can be discharged from the discharge port 107 .
  • each sorting accommodation portion 150 of the parent die accommodation unit 100 is parallel to the loading direction X of the detonating explosive and the direction of the central axis C1 of the loading rod 81 . Therefore, by feeding the loading rod 81 forward along the loading direction X of the detonating explosive, the loading target parent die mounting body 5 TGT held by the loading rod 81 is moved along the front-rear direction of each sorting container 150, It can be discharged smoothly from the discharge port 107 .
  • a stopping plate 160 is provided on the front surface 101 of each sorting container 150 to prevent the mother die mounted bodies 5 positioned in the second to uppermost stages in each sorting container 150 from being ejected from the front surface 101 side.
  • the parent die mounting body 5 TGT to be loaded may cause friction with the parent die mounting body 5 TGT to be loaded. It is possible to prevent the mounting body 5 from being ejected from the front surface 101 side.
  • the loading rod 81 is aligned so that the center axis C1 of the loading rod 81 is coaxial with the center axis C2 of the blast hole 3 TGT to be loaded. Therefore, in the detonating explosive loading step, the loading rod 81 holding the loading target parent die mounting body 5 TGT is fed forward along the detonating explosive loading direction X, thereby loading the loading target parent die mounting body 5 TGT . It can be smoothly inserted into the loading target blasting hole 3 TGT from the tip portion 5A side.
  • FIG. 17 shows a situation in which the initiation explosive loading step is performed under a situation where the central axis C1 of the charging rod 81 is eccentric with respect to the central axis C2 of the blast hole 3 TGT to be charged. 17, illustration of the loading rod feeding mechanism 80 and the parent die housing unit 100 is omitted.
  • the parent die mounting body 5 in this embodiment is provided with the conical guide portion 52 at the front end 51A of the tubular holder 51, and the conical guide portion 52 has a conical shape as described above. Therefore, even if the loading rod 81 is fed forward in a state in which the loading rod 81 is eccentric with respect to the blast hole 3 TGT to be loaded, the opening of the blast hole 3 TGT to be loaded is removed during the process of loading the detonating explosive.
  • the side surface of the conical guide portion 52 that collides with the edge of 3B (edge 2A on the face surface) is brought into sliding contact with the hole opening 3B (edge 2A), and the main die mounting body 5 is pushed into the blasting hole 3 TGT to be loaded. You can progress inside.
  • the amount of eccentricity between the central axis C1 of the loading rod 81 and the central axis C2 of the blast hole 3 TGT to be loaded, which was eccentric at the rod alignment completion position, is reduced by the guide function of the conical guide portion 52, and the parent die
  • the mounting body 5 can be smoothly inserted into the loading target blasting hole 3 TGT .
  • an obstacle 3C such as falling rocks is caused by hole roughening in the blast hole 3 TGT to be loaded. Even if there is, the parent die mounting body 5 can be advanced toward the innermost portion 3A while the side surface of the conical guide portion 52 is brought into sliding contact with the obstacle 3C.
  • the leg wire 42 connected to the stepped detonator 41 in the loading target parent die mounting body 5 TGT (mother die mounting body 5) is attached to a binding material. 43 may be inserted into the target blast hole 3 TGT (blast hole 3).
  • the diameter of the loop portion 42A formed by bundling the leg wires 42 into a loop with the binding material 43 is set to be larger than the diameter of the hole mouth 3B of the blast hole 3.
  • the ring-shaped portion 42A for bundling the leg wires 42 is formed around the hole opening 3B.
  • the binding material 43 is broken by the resistance.
  • the binding of the leg wire 42 with the binding material 43 can be automatically untied.
  • the binding material 43 is made of an easily breakable material such as paper, it can be easily broken with a small force. Therefore, it is possible to suppress a large load from being applied to the leg wire 42 in the process of untying the leg wire 42 during the process of loading the detonating explosive.
  • the following alternative embodiment may be adopted.
  • one or a plurality of leg wire holding rod members for hooking and holding the ring-shaped portion 42A of the leg wire 42 of each parent die mounting body 5 may be provided at appropriate locations on the outer surface of the parent die housing unit 100 in this embodiment. good too.
  • Such a leg wire holding rod member may be provided, for example, on the side surface 103 of the parent die housing unit 100 (the outer surface of the side wall 120).
  • the parent die housing unit 100 preferably includes a plurality of holding rod members 42A.
  • the parent die housing unit 100 preferably has one or more leg wire holding rod members on each of the left and right side surfaces 103 .
  • stress is applied to the binding material 43 that binds the ring-shaped portion 42A held by the leg wire holding rod member in the process.
  • the binding material 43 can be broken by the stress.
  • the binding material 43 is made of an easily breakable material such as paper, a large stress is not applied to the wire 42 before the binding material 43 breaks.
  • the loop portion 42A is held by the leg wire holding rod member in advance, and the binding of the leg wire 42 with the binding material 43 can be automatically unbound during the process of loading the detonating explosive. .
  • the leg wires 42 unbound by the binding material 43 can then be fed out sequentially from the leg wire holding rod member as the loading rod 81 is advanced forward.
  • the leg wire holding rod member When the leg wire holding rod member is provided on the side surface 103 of the parent die housing unit 100, the leg wire holding rod member may protrude from the side surface 103 toward the side. Further, when a plurality of leg wire holding rod members are provided on the side surface 103 of the parent die housing unit 100, the plurality of leg wire holding rod members may be arranged in the vertical direction of the parent die housing unit 100 at different levels. By installing a plurality of leg wire holding rod members in different levels, the leg wires 42 held by the respective leg wire holding rod members are less likely to get entangled with each other.
  • the control device 15 calculates the forward feeding amount of the loading rod 81 and drives the loading rod feeding mechanism 80 based on the calculated forward feeding amount of the loading rod 81 .
  • the forward feed amount of the loading rod 81 can be calculated, for example, based on the initial distance between the rod hole openings and the design length of the blast hole 3 TGT to be loaded when the loading rod 81 is arranged at the rod alignment completion position.
  • control device 15 controls the first coordinate P1 (X1, Y1, Z1) of the hole opening 3B and the second coordinate P2 (X2 , Y2, Z2), and based on the initial distance between the rod holes, the innermost part 3A of the blast hole 3 TGT to be loaded is the parent die mounting body 5 TGT to be loaded .
  • a forward feed amount of the loading rod 81 required to position the tip portion 5A may be calculated.
  • the control device 15 controls the loading rod feeding mechanism 80 to retract the loading rod 81 while operating the additional explosive supply device 83 to increase the amount through the pressure feeding hose 82 in step S4.
  • the die 6 (additional explosive) is pumped and supplied to the hollow passage 812 of the loading rod 81 (additional explosive loading step).
  • the additional die 6 pressure-fed into the hollow passage 812 of the loading rod 81 is loaded from the tip 811 of the loading rod 81 (hollow passage 812) into the blasting hole 3 TGT to be loaded.
  • FIG. 19 shows the completion of the additional explosive loading process. When the additional explosive loading step is completed, the loading of the parent die 4 (parent die mounting body 5) and the additional die 6 inside the target blasting hole 3 TGT is completed.
  • the explosives (the main die 4 and the additional die 6) are automatically loaded into the next blasting hole 3 TGT to be loaded. control is performed. That is, the steps S2 to S4 described above are sequentially repeated, and all the blast holes 3 can be automatically charged with explosives (the main die 4 and the additional die 6).
  • the explosive loading system S including the explosive loading device 1 and the control device 15, explosives corresponding to the number of stages of the blasting target areas assigned to the face surface 2 of the tunnel TN are automatically delivered to the blast holes 3. It can be loaded.
  • the main die mounting body 5 having the main die 4 mounted thereon is provided with the conical guide portion 52 at the front end 51A of the cylindrical holding body 51.
  • the conical guide portion 52 As described with reference to FIG. 17, under the condition that the central axis of the parent die mounting body 5 is eccentric with respect to the central axis C2 of the blasting hole 3, or due to hole roughening in the blasting hole 3, falling rocks may occur. Even if there is an obstacle 3C such as the blasting hole 3, the guide function of the conical guide portion 52 allows the main die mounting body 5 to be smoothly loaded to the innermost portion 3A of the blast hole 3.
  • the blasting hole 3 drilled in the face surface 2 is fully automatically loaded with explosives (the main die 4 and the additional die 6) has been described as an example.
  • the explosive loading method using the parent die mounting body 5 having the guide portion 52 is not limited to the above-described form.
  • the loading rod 81 faces the blast hole 3 not by automatic control using the control device 15 but by operation via the operation panel 232 or the like.
  • the loading rod 81 may be aligned so that it is positioned.
  • the explosive loading method according to the present disclosure in which the parent die mounting body 5 held at the tip 811 of the loading rod 81 is loaded into the blast hole 3, can be suitably applied, realizing smooth explosive loading. can do.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

L'invention concerne un procédé de chargement d'explosif qui permet de charger en douceur un explosif à usage de détonation dans un trou de dynamitage foré dans une surface de travail d'un tunnel lors d'un processus de dynamitage de tunnel. Le présent procédé de chargement d'explosif comprend : une étape durant laquelle une tige de chargement maintient un corps sur lequel est monté un explosif à usage de détonation consécutivement à l'introduction de l'extrémité distale de la tige de chargement dans une section creuse du corps sur lequel est monté l'explosif à usage de détonation formé par montage d'un explosif à usage de détonation à l'intérieur de l'extrémité arrière d'un corps de maintien cylindrique de façon à laisser une section creuse ; et une étape de chargement d'explosif à usage de détonation durant laquelle le corps sur lequel est monté un explosif à usage de détonation maintenu par l'extrémité distale de la tige de chargement est chargé dans le trou de dynamitage. L'extrémité avant du corps de maintien cylindrique du corps sur lequel est monté un explosif à usage de détonation est pourvue d'une partie de guidage en forme de broche qui a une forme effilée vers l'extrémité distale du corps sur lequel est monté un explosif à usage de détonation.
PCT/JP2022/011032 2021-03-18 2022-03-11 Procédé de chargement d'explosif et corps de montage d'explosif à usage de détonation WO2022196572A1 (fr)

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Cited By (1)

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WO2024005077A1 (fr) * 2022-06-30 2024-01-04 前田建設工業株式会社 Dispositif de chargement d'explosif et procédé de chargement d'explosif

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JP2860847B2 (ja) 1992-05-15 1999-02-24 佐藤工業株式会社 流動性爆薬の自動装填装置
JP2008025972A (ja) 2006-07-25 2008-02-07 Shimizu Corp 爆薬自動装填装置および爆薬装填方法
JP5614139B2 (ja) 2010-07-09 2014-10-29 日油株式会社 爆薬の装填装置
JP2015067956A (ja) * 2013-09-26 2015-04-13 古河ロックドリル株式会社 火薬装薬装置およびこれを備える作業機械
JP5854923B2 (ja) 2012-05-14 2016-02-09 カヤク・ジャパン株式会社 装填装置
CN109916245A (zh) * 2019-04-22 2019-06-21 中国十九冶集团有限公司 隧道掌子面炮眼装药装置

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Publication number Priority date Publication date Assignee Title
JP2860847B2 (ja) 1992-05-15 1999-02-24 佐藤工業株式会社 流動性爆薬の自動装填装置
JP2008025972A (ja) 2006-07-25 2008-02-07 Shimizu Corp 爆薬自動装填装置および爆薬装填方法
JP5614139B2 (ja) 2010-07-09 2014-10-29 日油株式会社 爆薬の装填装置
JP5854923B2 (ja) 2012-05-14 2016-02-09 カヤク・ジャパン株式会社 装填装置
JP2015067956A (ja) * 2013-09-26 2015-04-13 古河ロックドリル株式会社 火薬装薬装置およびこれを備える作業機械
CN109916245A (zh) * 2019-04-22 2019-06-21 中国十九冶集团有限公司 隧道掌子面炮眼装药装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024005077A1 (fr) * 2022-06-30 2024-01-04 前田建設工業株式会社 Dispositif de chargement d'explosif et procédé de chargement d'explosif

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