CN107014260B - A kind of high pressure resistant cumulative orientation bullet and its application method - Google Patents
A kind of high pressure resistant cumulative orientation bullet and its application method Download PDFInfo
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- CN107014260B CN107014260B CN201710297389.4A CN201710297389A CN107014260B CN 107014260 B CN107014260 B CN 107014260B CN 201710297389 A CN201710297389 A CN 201710297389A CN 107014260 B CN107014260 B CN 107014260B
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- Prior art keywords
- cover plate
- explosive
- explosive cartridge
- binding post
- seal
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Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a kind of high pressure resistant cumulative orientation bullet and its application method, belong to cut-pff wall technical field.The orientation bullet includes explosive and electric cap in explosive cartridge, in addition to the both ends of the explosive cartridge are carried out to the first seal and second seal of waterproof sealing respectively；Cover plate that the first seal includes being engaged with the explosive cartridge diameter, the seal gasket positioned at the cover plate Yu the explosive cartridge junction, through the cover plate for connecting the electric cap wire and the fixation kit for transmitting the first binding post of electric current, being connected the cover plate and the seal gasket with the explosive cartridge；First binding post seals with the cover plate junction.Explosive cartridge is carried out waterproof sealing by the present invention by first seal and second seal, and mud or water will not enter the storage location of explosive, and detonator can be with ignition charge.
Description
Technical field
The present invention relates to cut-pff wall technical field, more particularly to a kind of high pressure resistant cumulative orientation bullet and its application method.
Background technology
In impervious wall construction engineering, it is necessary first to which continuous pore-creating forms slotted eye in loose pervious foundation, then toward groove
Concrete perfusion forms the wall shape building for preventing seepage in hole.The stage of slotted eye is formed in pore-creating, if boulder is (huge in stratum
Stone) content height, then bring extreme difficulties, it is therefore desirable to row directional blasting is snapped into using orientation, to crush boulder to pore-creating grooving.
The orientation bullet used at present is used in the bottom of explosive cartridge by electric welding steel plate, and explosive is added into explosive cartridge
And electric cap, then passed through again by electric welding steel plate, the wire of electric cap from the through hole on steel plate above explosive.
During the present invention is realized, inventor has found that prior art at least has problems with：
Effective sealing can not be realized under high pressure by way of electric welding steel plate closes explosive cartridge both ends, deeper
The pressure of hole interior mud (more than 80m) is excessive, and mud or water under high pressure can be quick-fried along the entrance such as through hole on soldered, steel plate
Broken cylinder, makes explosion cylinder pressure as extraneous mud pressure, under larger pressure, detonator can not ignition charge.
The content of the invention
In order to solve the problems, such as that prior art is above-mentioned, the embodiments of the invention provide a kind of high pressure resistant cumulative orientation bullet and its
Application method.The technical scheme is as follows：
On the one hand, there is provided a kind of high pressure resistant cumulative orientation bullet, methods described include：A kind of high pressure resistant cumulative orientation bullet,
Including the explosive and electric cap in explosive cartridge, the orientation bullet also includes：The both ends of the explosive cartridge are prevented respectively
The first seal and second seal of water-stop；
The first seal include be engaged with the explosive cartridge diameter cover plate, positioned at the cover plate and the explosion
The seal gasket of cylinder junction, it is used to connect the wire of the electric cap through the cover plate and transmits the first wiring of electric current
Post, the fixation kit for being connected the cover plate and the seal gasket with the explosive cartridge；
First binding post seals with the cover plate junction.
Alternatively, the fixation kit includes the first support ring with explosive cartridge inwall welding, and by described first
The first nut assembly that support ring connects with the cover plate；
The diameter of the cover plate is engaged with the internal diameter of the explosive cartridge；
The seal gasket is between first support ring and the cover plate；
The first circular hole coordinated with first nut assembly is carried in first support ring and the cover plate.
Alternatively, the fixation kit includes the second support ring with explosion drum outer wall welding, and by described second
The second nut assembly that support ring connects with the cover plate；
The diameter of the cover plate is engaged with the external diameter of second support ring；
Second support ring originates in explosive cartridge end, from its edge radially towards remote explosive cartridge center
Place extension；
The seal gasket is between second support ring and the cover plate；
The second circular hole coordinated with second nut assembly is carried in second support ring and the cover plate.
Alternatively, the fixation kit includes the spiral shell for being connected the cover plate with the explosive cartridge through the explosive cartridge
Nail；The seal gasket is located at the cover plate and the explosive cartridge junction, and the explosive cartridge carries with the screw connection
Sealing ring；
The diameter of the cover plate is engaged with the internal diameter of the explosive cartridge；
With screwed hole with the screw fit on the cover plate, carried on the explosive cartridge and the screw fit
3rd circular hole.
Alternatively, the fixation kit includes the first screw thread on the explosive cartridge inwall, the diameter of the cover plate
It is engaged with the internal diameter of the explosive cartridge, the seal gasket is located at the cover plate and the explosive cartridge junction, the cover plate
Diameter maximum carries the second screw thread being engaged with first screw thread.
Alternatively, the thickness of the cover plate is 10mm.
Alternatively, first binding post is metallic conduction post, the part that first binding post contacts with the cover plate
First binding post is isolated with the cover plate by insulating tape, the first binding post both ends are connected with wire respectively
Connect, and first binding post is fixed on the cover plate by nut, with sealing between the nut and the cover plate
Circle.
Alternatively, the second seal passes through gas weld joint with the explosive cartridge.
Alternatively, the second seal is the circular cone that cone angle is 55~65 °.
Alternatively, the thickness of the second seal is 1mm.
Alternatively, the explosive includes the first explosive and the second explosive, between first explosive and second explosive
Separated by steel plate, the electric cap includes the first electric cap being connected with first explosive and is connected with second explosive
The second electric cap, the steel plate include be used for connect the electric cap wire the second binding post.
Alternatively, second binding post is metallic conduction post, the part that second binding post contacts with the steel plate
Second binding post is isolated with the steel plate by insulating tape, the second binding post both ends are connected with wire respectively
Connect, and second binding post is fixed on the steel plate by nut, with sealing between the nut and the steel plate
Circle.
Alternatively, the orientation bullet also includes the cavity between the first seal and the explosive, the sky
The volume of chamber is the 10%-15% of the volume surrounded in explosive cartridge by first seal and second seal.
On the other hand, there is provided a kind of application method of high pressure resistant cumulative orientation bullet, methods described include：By the orientation
Bullet is connected with chopping bit by leading truck, makes the distance of the orientation bullet and chopping bit bottom in more than 4m；Rushing
Hit at the top of drill bit and be connected to prevent the broken power apparatus of bit；Decline chopping bit until touching object；Then
The orientation bullet is ignited after lifting 20cm.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
Cover plate, seal gasket and explosive cartridge are connected by using fixation kit, seal gasket is located at the cover plate and institute
Explosive cartridge junction is stated, the waterproof sealing at place is attached by seal gasket, prevents mud or water from passing through cover plate and explosive cartridge
Junction seepage.And by connecting the wire of the electric cap through the first binding post of cover plate and transmitting electric current, the
One binding post seals with cover plate junction, prevents mud or water from passing through the seepages such as the gap at the first binding post.Realizing will be quick-fried
Broken cylinder carries out waterproof sealing, and mud or water will not enter the storage location of explosive, and detonator can be with ignition charge.Solves existing skill
Art mud or water can enter explosive cartridge along through hole on soldered, steel plate etc. under high pressure, make explosion cylinder pressure and the external world
Mud pressure is the same, under larger pressure, detonator can not ignition charge the problem of.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is that the high pressure resistant cumulative orientation that one embodiment of the present of invention provides plays structural representation；
Fig. 2 is that the high pressure resistant cumulative orientation that an alternative embodiment of the invention provides plays structural representation；
Fig. 3 is that the high pressure resistant cumulative orientation that another embodiment of the invention provides plays structural representation；
Fig. 4 is that the high pressure resistant cumulative orientation that another embodiment of the invention provides plays structural representation.
Wherein, reference is：
1st, explosive cartridge；2nd, explosive；3rd, electric cap；4th, first seal；5th, second seal；6th, steel plate；7th, cavity；
201st, the first explosive；202nd, the second explosive；301st, the first electric cap；302nd, the second electric cap；
401st, cover plate；402nd, seal gasket；403rd, the first binding post；404th, fixation kit；404a, the first support ring；
404b, the first nut assembly；404c, the second support ring；404d, the second nut assembly；404e, screw；
601st, the second binding post.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
On the one hand, the embodiment of the present invention provides a kind of high pressure resistant cumulative orientation bullet, including the explosive 2 in explosive cartridge 1
With electric cap 3, the orientation bullet also includes：The both ends of the explosive cartridge 1 are carried out to the He of first seal 4 of waterproof sealing respectively
Second seal 5；
The first seal 4 include be engaged with the diameter of explosive cartridge 1 cover plate 401, positioned at the cover plate 401 with
The seal gasket 402 of the junction of explosive cartridge 1, wire and transmission through the cover plate 401 for connecting the electric cap 3
First binding post 403 of electric current, the fixation kit for being connected the cover plate 401 and the seal gasket 402 with the explosive cartridge 1
404；
First binding post 403 seals with the junction of cover plate 401.
The both ends of explosive cartridge 1 are carried out waterproof sealing by the embodiment of the present invention by first seal 4 and second seal 5,
Specifically, it uses fixation kit 404 to be connected cover plate 401, seal gasket 402 with explosive cartridge 1, and seal gasket 402 is located at institute
Cover plate 401 and the junction of explosive cartridge 1 are stated, the waterproof sealing at place is attached by seal gasket 402, prevents mud or water
Pass through the junction seepage of cover plate 401 and explosive cartridge 1.And the electricity is connected by the first binding post 403 through cover plate 401
The wire of detonator 3 simultaneously transmits electric current, is sealed in the first binding post 403 with the junction of cover plate 401, prevents mud or water by first
The seepages such as the gap at binding post 403.Realize and explosive cartridge 1 is subjected to waterproof sealing, mud or water will not enter the storage of explosive
Position is deposited, when explosive cartridge 1 is lowered into mud, the ambient pressure of explosive cartridge 1 and the internal pressure of explosive cartridge 1 are inconsistent, explosion
Cylinder 1 is much smaller than extraneous mud pressure due to sealing waterproof, its internal pressure, and detonator can be with ignition charge.
It should be noted that refer to can under 1.8-2.5Mpa pressure for the high pressure resistant cumulative orientation bullet high pressure resistant
To ignite the orientation bullet.
In one embodiment of the invention, referring to Fig. 1, the fixation kit 404 includes welding with the inwall of explosive cartridge 1
The the first support ring 404a connect, and the first nut assembly 404b that the first support ring 404a and the cover plate 401 are connected.
First support ring 404a originates in the inwall of explosive cartridge 1, extends along radial direction towards the place close to the center of explosive cartridge 1,
Cover plate 401 can be fixed and not hinder the first binding post 403 by the distance of extension by the first nut assembly 404b
Through being preferred, a support platform is formed on the inwall of explosive cartridge 1 by the first support ring 404a, passes through support platform
Explosive cartridge 1 is connected with cover plate 401.The diameter of cover plate 401 is engaged with the internal diameter of explosive cartridge 1, the first support ring 404a
With on the cover plate 401 carry with the first nut assembly 404b coordinate the first circular hole.First nut assembly 404b is spiral shell
The screw thread of screw bolt and nut coordinates, when installation is with dismounting by way of screwing, the first nut assembly 404b and the first circular hole
Number is at least two, is uniformly distributed on the support ring 404a of cover plate 401 and first.
Between the first support ring 404a and cover plate 401, seal gasket 402 is preferably shaped to justify seal gasket 402
Dish type, its external diameter are engaged with the internal diameter of explosive cartridge 1, and waterproof can be carried out in the form of entirety covers cover plate 401, when it is circle
During dish type, it is also required to thereon with the through hole being engaged with the first nut assembly 404b and the first binding post 403, but the present invention
Embodiment is not especially limited to the shape of seal gasket 402, such as its shape can also be ring-type, and its size need to cover first
Junction between nut assembly 404b, the first support ring 404a and cover plate 401, to form waterproof sealing.
In another embodiment of the present invention, include and the outer wall of explosive cartridge 1 referring to Fig. 2, the fixation kit 404
Second support ring 404c of welding, and the second nut assembly that the second support ring 404c and the cover plate 401 are connected
404d.The second support ring 404c originates in the end of the outer wall of explosive cartridge 1, from its edge radially towards away from quick-fried
The place extension at the broken center of cylinder 1, the distance of extension is cover plate 401 can be fixed i.e. by the first nut assembly 404b
Can, a support platform is formed on the outer wall of explosive cartridge 1 by the second support ring 404c, by support platform by explosive cartridge 1
It is connected with cover plate 401.
The diameter of the cover plate 401 is engaged with the external diameter of the second support ring 404c, i.e. the diameter of cover plate 401 is more than
The diameter of explosive cartridge 1, explosive cartridge 1 described above are engaged with the diameter of cover plate 401, here due to explosive cartridge 1 and second
Support ring 404c external diameter is engaged, and the diameter of cover plate 401 is engaged with the external diameter of the second support ring 404c, therefore is passed through
Second support ring 404c connection, makes explosive cartridge 1 be also at the state being engaged with the diameter of cover plate 401.The seal gasket
402 between the second support ring 404c and the cover plate 401, and the embodiment of the present invention is equally to the shape of seal gasket 402
Shape is not especially limited, and its shape can be equally discoid, ring-type etc., need to only meet the waterproof sealing of junction.Institute
State the second circular hole for carrying on the second support ring 404c and the cover plate 401 and coordinating with the second nut assembly 404d.Second
Nut assembly 404d is that the screw thread of screw bolt and nut coordinates, when installation is with dismounting by way of screwing, the second nut assembly
The number of 404d and the first circular hole is at least two, is uniformly distributed on cover plate 401.The second nut assembly in the present embodiment
404d, second support ring 404c etc. are arranged at the outside of explosive cartridge 1, make the space in explosive cartridge 1 bigger.
In yet another embodiment of the present invention, referring to Fig. 3, the fixation kit 404 includes will through the explosive cartridge 1
The screw 404e that the cover plate 401 is connected with the explosive cartridge 1, the internal diameter phase of the diameter of the cover plate 401 and the explosive cartridge 1
Coordinate；The screwed hole coordinated with the screw 404e is carried on the cover plate 401, is carried and the screw on the explosive cartridge 1
The 3rd circular hole that 404e coordinates, screw 404e are connected from the outer wall of explosive cartridge 1 through explosive cartridge 1 by screw thread with cover plate 401,
Screwed hole direction on cover plate 401 should extend from the edge of cover plate 401 to the center of cover plate 401, and screw 404e plays connection and made
With, serve again support cover plate 401 effect.
The seal gasket 402 is located at the cover plate 401 and the junction of explosive cartridge 1, and seal gasket 402 herein should
For annular, the consistency of thickness of its thickness and cover plate 401 is preferred, can cover the gap between cover plate 401 and explosive cartridge 1, is risen
To the effect of waterproof sealing.One layer of adhesive waterproof tape, and the explosive cartridge 1 and screw 404e can be wound on screw 404e
Junction carries sealing ring, for waterproof.
In yet another embodiment of the present invention, include referring to Fig. 4, the fixation kit 404 in the explosive cartridge 1
The first screw thread on wall, the diameter of the cover plate 401 are engaged with the internal diameter of the explosive cartridge 1, and the seal gasket 402 is located at
The cover plate 401 and the junction of explosive cartridge 1, the diameter maximum of cover plate 401 are carried and are engaged with first screw thread
The second screw thread.I.e. cover plate 401 is directly attached with explosive cartridge 1 by screw thread, in order to not hinder cover plate 401 and explosive cartridge 1
Connection, the seal gasket 402 in junction should also carry two-sided screw thread, and seal gasket 402 herein also should be annular, its
Length and the consistency of thickness of cover plate 401 are preferred.Due to needing to screw cover plate 401 when mounted, therefore the wire of electric cap 3 should be compared with
It is long, it is sufficient to meet that position movement during rotation is conductive without influenceing.
It is worth noting that, in embodiment described above, the thickness of the cover plate 401 is 10mm, can use steel
Plate, make its compression strength stronger.
Further, first binding post 403 is metallic conduction post, and its part contacted with the cover plate 401 passes through
Insulating tape isolates it with the cover plate 401, if cover plate 401 is metallic plate, now insulating tape can be played electric current not
Lead to the effect of cover plate 401.The both ends of first binding post 403 are attached with wire respectively, can pass through wire, box cupling
Connect, directly can also be bonded by adhesive waterproof tape Deng instrument.And first binding post 403 is fixed on described by nut
On cover plate 401, sealing ring is carried between the nut and the cover plate 401, for waterproof.The present invention is not to the first binding post
403 specific size defines, for example, the first binding post 403 can be 40~50mm of diameter 5mm length bolt, and covers
The circular hole coordinated accordingly with the first binding post 403 on plate 401 can be diameter 6mm, and insulating cement is wound in the stage casing of the bolt
Through corresponding circular hole on cover plate 401 after cloth, the exposed insulating tape outside cover plate 401 can be with shear removal.
In embodiment described above, the second seal 5 passes through gas weld joint with the explosive cartridge 1.Using gas
The mode of weldering reduces the gap quantity and size of junction, may be implemented in the phase using orientation bullet than the good connecting effect of electric welding
Between sealing waterproof.Specifically, the second seal 5 is the circular cone of circular cone, preferably 60 ° that cone angle is 55~65 °, and it is fixed to make
To bullet when explosion energy accumulating, obtain more preferable demolition effect.The thickness of the second seal 5 is 1mm, is being resistant to
In the case of pressure, explosion is not hindered also.
In addition, the explosive 2 is water-proof explosive, explosive 2 includes the first explosive 201 and the second explosive 202, and described first is fried
Separated between medicine 201 and second explosive 202 by steel plate 6, on explosive cartridge, the electric cap 3 wraps the gas weld joint of steel plate 6
The first electric cap 301 being connected with first explosive 201 and the second electric cap 302 being connected with second explosive 202 are included,
The steel plate 6 includes the second binding post 601 for being used to connect the wire of the electric cap 3.Explosive is arranged to two layers of structure,
First, in order to form more preferable demolition effect, if second, passing through steel again when thering is mud or water to leak into by second seal 5
Plate 6 forms isolation waterproof, and when making the second explosive 202 not ignite due to mud or water again, and the first explosive 201 is quick-fried
Also the second explosive 202 can be ignited when fried.
Similarly, second binding post 601 is metallic conduction post, and its part contacted with the steel plate 6 passes through insulation
Adhesive plaster isolates it with the steel plate 6, and the both ends of the second binding post 601 are attached with wire respectively, can pass through metal
The instruments such as silk, box cupling connect, and directly can also be bonded by adhesive waterproof tape.And second binding post 601 is consolidated by nut
Due on the steel plate 6, sealing ring is carried between the nut and the steel plate 6.The present invention is not equally to the second binding post 601
Specific size define, for example, the second binding post 601 can be 40~50mm of diameter 5mm length bolt, and steel plate 6
On accordingly with the second binding post 601 coordinate circular hole can be diameter 6mm, the bolt stage casing wind insulating tape after wear
Corresponding circular hole on steel plate 6 is crossed, the exposed insulating tape outside steel plate 6 can be with shear removal.
Further, the orientation bullet also includes the cavity 7 between the first seal 4 and the explosive 2, institute
The volume for stating cavity 7 is the 10%-15% of the volume surrounded in explosive cartridge 1 by first seal 4 and second seal 5, in order to
Second protection is formed to the first explosive 201, if having mud or the water to leak into by first seal 4, the presence of cavity 7 is not
Pressure in explosive cartridge 1 and extraneous consistent soon can be made.
It will be appreciated by persons skilled in the art that in embodiment described above, the second seal 5 is positioned at fried
The bottom of medicine 2, and the first seal 4 is located at the top of explosive 2, i.e., during the use of high pressure resistant cumulative orientation bullet,
Second seal 5 is close to object to be blasted (boulder), and the position of first seal 4 is remote for second seal 5
From object to be blasted (boulder).
On the other hand, the embodiment of the present invention also provides a kind of application method of high pressure resistant cumulative orientation bullet, methods described bag
Include：The orientation bullet is connected with chopping bit by leading truck, makes the orientation bullet and the distance of chopping bit bottom
In more than 4m；It is connected to prevent the broken power apparatus of bit at the top of chopping bit；Decline chopping bit until touching
And object (boulder to be blasted)；The orientation bullet is ignited after being then lifted out 20cm.
Wherein, the embodiment of the present invention does not make restriction to the concrete structure of leading truck, and it need to meet the orientation bullet
The effect that drill hammer is connected, such as leading truck can be the steel pipe of two annulations of two annulations and connection,
One annulation fastening orientation plays outer wall, another annulation fastening chopping bit.The embodiment of the present invention is not equally to breaking power
Device makes specific restriction, and its need can prevent bit, keeps impact drill and orients the relative position between bullet.
By the actual use that bullet is oriented to the high pressure resistant cumulative of the embodiment of the present invention, it is possible to achieve 1.8-2.5Mpa's
The orientation bullet is ignited under pressure, the explosion under the deep hole mud that depth is 200 meters can also be realized.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the disclosure, herein no longer
Repeat one by one.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (5)
1. a kind of high pressure resistant cumulative orientation bullet, including explosive (2) in explosive cartridge (1) and electric cap (3), its feature exist
In the orientation bullet also includes：The both ends of the explosive cartridge (1) are carried out to the first seal (4) and of waterproof sealing respectively
Two seals (5)；
The first seal (4) include be engaged with the explosive cartridge (1) diameter cover plate (401), positioned at the cover plate
(401) it is used to connect the electric cap with the seal gasket (402) of the explosive cartridge (1) junction, through the cover plate (401)
(3) wire and transmit electric current the first binding post (403), by the cover plate (401) and the seal gasket (402) with it is described
The fixation kit (404) of explosive cartridge (1) connection；
First binding post (403) seals with the cover plate (401) junction；
The fixation kit (404) includes being connected the cover plate (401) with the explosive cartridge (1) through the explosive cartridge (1)
Screw (404e)；The seal gasket (402) is located at the cover plate (401) and the explosive cartridge (1) junction, the explosion
Cylinder (1) carries sealing ring with the screw (404e) junction；
The diameter of the cover plate (401) is engaged with the internal diameter of the explosive cartridge (1)；
The screwed hole coordinated with the screw (404e) is carried on the cover plate (401), carry on the explosive cartridge (1) with it is described
The 3rd circular hole that screw (404e) coordinates；
The orientation bullet also includes the cavity (7) between the first seal (4) and the explosive (2)；
The deep hole mud that the high pressure resistant cumulative orientation bullet is applied to the explosion under 1.8-2.5Mpa pressure and depth is 200 meters
Under explosion.
2. orientation bullet according to claim 1, it is characterised in that first binding post (403) is metallic conduction post, institute
State the first binding post (403) and the part that the cover plate (401) contacts by insulating tape by first binding post (403) with
Cover plate (401) isolation, the first binding post (403) both ends are attached with wire respectively, and first wiring
Post (403) is fixed on the cover plate (401) by nut, and sealing ring is carried between the nut and the cover plate (401).
3. orientation bullet according to claim 1, it is characterised in that the second seal (5) is logical with the explosive cartridge (1)
Cross gas weld joint；The second seal (5) is the circular cone that cone angle is 55~65 °.
4. orientation bullet according to claim 1, it is characterised in that the explosive (2) includes the first explosive (201) and second
Explosive (202), separated between first explosive (201) and second explosive (202) by steel plate (6), the electric cap
(3) the first electric cap (301) being connected with first explosive (201) and be connected with second explosive (202) the is included
Two electric caps (302), the steel plate (6) include being used to connect the second binding post (601) of the wire of the electric cap (3)；
Second binding post (601) is metallic conduction post, the portion that second binding post (601) contacts with the steel plate (6)
Divide and isolated second binding post (601) with the steel plate (6) by insulating tape, the second binding post (601) both ends
It is attached respectively with wire, and second binding post (601) is fixed on the steel plate (6) by nut, the spiral shell
Sealing ring is carried between female (6) with the steel plate.
A kind of 5. application method of high pressure resistant cumulative orientation bullet according to any one of claim 1-4, it is characterised in that
Methods described includes：The orientation bullet is connected with chopping bit by leading truck, makes the orientation bullet and chopping bit
The distance of bottom is in more than 4m；It is connected to prevent the broken power apparatus of bit at the top of chopping bit；Decline impact drill
Drill bit is until touching object；The orientation bullet is ignited after being then lifted out 20cm.
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| CN201710297389.4A CN107014260B (en) | 2017-04-28 | 2017-04-28 | A kind of high pressure resistant cumulative orientation bullet and its application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710297389.4A CN107014260B (en) | 2017-04-28 | 2017-04-28 | A kind of high pressure resistant cumulative orientation bullet and its application method |
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| CN107014260A CN107014260A (en) | 2017-08-04 |
| CN107014260B true CN107014260B (en) | 2018-02-02 |
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| CN111544796A (en) * | 2019-02-12 | 2020-08-18 | 深圳联众安消防科技有限公司 | Automatic fire extinguishing device, waterproof detonator assembly and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2327950C1 (en) * | 2006-10-20 | 2008-06-27 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Method for pile loosening by blasiting in heap leaching of ores |
| CN103267450B (en) * | 2013-05-21 | 2015-04-29 | 宏大矿业有限公司 | Waterproof high-pressure-resistant deep well blasting cartridge |
| CN203337033U (en) * | 2013-06-19 | 2013-12-11 | 中国葛洲坝集团国际工程有限公司 | Shock absorption blasting device in slotted hole of diaphragm wall |
| CN103837046B (en) * | 2014-03-20 | 2015-06-10 | 武汉科技大学 | Detonating network of container used for simulating explosion test in deepwater environment |
| CN203940792U (en) * | 2014-06-17 | 2014-11-12 | 葛洲坝集团基础工程有限公司 | With screw thread or welding flange, lay one's hand on the CUMULATIVE BLASTING cylinder of head |
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