CN113008093B - Directional explosive loading device suitable for energy-gathering explosive package - Google Patents
Directional explosive loading device suitable for energy-gathering explosive package Download PDFInfo
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- CN113008093B CN113008093B CN202110219099.4A CN202110219099A CN113008093B CN 113008093 B CN113008093 B CN 113008093B CN 202110219099 A CN202110219099 A CN 202110219099A CN 113008093 B CN113008093 B CN 113008093B
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- sleeve
- handle
- push rod
- explosive
- rod
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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
- F42D1/14—Hand-operated tamping or loading
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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
- F42B3/22—Elements for controlling or guiding the detonation wave, e.g. tubes
-
- 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
- F42D1/22—Methods for holding or positioning for blasting cartridges or tamping cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention relates to the technical field of directional blasting, in particular to a directional explosive loading device suitable for a shaped charge, which comprises: the device comprises a push rod, a push rod and a push rod, wherein an operating handle is vertically arranged at one end of the push rod, a deflector rod is arranged at one end of the push rod, which is far away from the handle, and the deflector rod is fixedly connected with the push rod through the middle part; the adjusting blocks are arranged in pairs and are respectively fixedly arranged at two ends of the shifting lever, and each adjusting block extends along the length direction of the pushing rod. The invention can accurately control the energy gathering direction of the energy gathering explosive bag, so that the explosive generates stress concentration action in a preset direction, the local destruction action of the explosive is improved, and the rock can achieve the directional blasting effect.
Description
Technical Field
The invention relates to the technical field of directional blasting, in particular to a directional explosive charging device suitable for a shaped charge.
Background
With the rapid development of economic technology, china has become the world with the largest number of tunnels, the largest scale and the highest difficulty, and the tunnel engineering of China will be rapidly and firmly developed in the next years, wherein the tunnels constructed by the smooth blasting technology account for a large proportion, and the development potential of the tunnels and the underground smooth blasting technology in the future is huge. In addition to the excavator method, the drilling and blasting method is still adopted for construction in the rock tunnel engineering construction in China, and the traditional drilling and blasting method is improper in construction control and is easy to cause adverse effects on construction quality, construction speed and construction environment. The problem of overexcavation often appears in present tunnel construction not only has increased the blasting expense, has prolonged the activity duration, and the concrete is backfilled in the overexcavation moreover, has increased extra engineering volume, has caused very big influence to the speed of tunnel construction. The underexcavation can influence the thickness of the lining, and the requirement of supporting cannot be met. When the blasting control is improper, the surrounding rock is unstable, and geological problems such as collapse, water inrush and rock burst are induced. In order to solve the problems, rock directional fracture control blasting is usually adopted at present, wherein an energy-gathered explosive bag blasting method has a good effect, the method changes the energy distribution of the explosive through the action of energy-gathered holes, so that the explosive directionally generates stress concentration, the local destruction action of the explosive is improved, directional blasting is formed, and the energy-gathered direction of the energy-gathered explosive bag in a hole is difficult to control.
Disclosure of Invention
The invention provides a directional explosive charging device suitable for an energy-gathered explosive bag, which can accurately control the energy gathering direction of the energy-gathered explosive bag, so that an explosive generates a stress concentration effect in a preset direction, the local destruction effect of the explosive is improved, and the rock can achieve the directional blasting effect.
In order to achieve the purpose, the invention provides the following technical scheme: a directed charge adapted for use with a shaped charge, comprising: an operating handle is vertically arranged at one end of the pushing rod, a shifting rod is arranged at one end of the pushing rod, which is far away from the handle, and the shifting rod is fixedly connected with the pushing rod through the middle part; the adjusting blocks are arranged in pairs and are respectively fixedly arranged at two ends of the shifting rod, and each adjusting block extends along the length direction of the pushing rod.
Preferably, the push rod is of a telescopic structure and consists of an outer sleeve and an inner sleeve which are nested; the handle is rigidly connected with one end of the outer sleeve, the inner part of the outer sleeve is provided with a section with a polygonal outline, and the inner sleeve is matched with the inner part of the outer sleeve in a freely telescopic way through an outer outline matched with the inner part of the outer sleeve; and one end of the outer sleeve, which is far away from the handle, is provided with a clamping mechanism for restraining the axial position of the inner sleeve in the outer sleeve.
Preferably, the deflector rod comprises a transverse pipe sleeve, the outer side wall of the middle part of the transverse pipe sleeve is rigidly connected with one end, far away from the handle, of the inner sleeve, and two ends of the transverse pipe sleeve are communicated with each other and have a polygonal internal cross section; the telescopic pipes are respectively nested and matched in the two ends of the transverse pipe sleeve, and the outer diameter of each telescopic pipe is matched with the inner diameter of the transverse pipe; the outer wall of one end of each telescopic pipe close to the telescopic pipe is provided with a spring plate, and the spring plate is in friction fit with the inner wall of the transverse pipe sleeve.
Preferably, each adjusting block is of a cylinder structure with a wedge-shaped cross section, the top of each adjusting block is fixedly connected with one side, away from the handle, of the corresponding telescopic tube, and the sharp end of each adjusting block is arranged oppositely.
Preferably, the inner sleeve is of a pipe body structure, and the inner cavity of the transverse pipe sleeve is communicated with the inside of the inner sleeve; a rotating shaft is arranged in the inner sleeve along the length direction, extends towards the inside of the transverse sleeve, and a gear is arranged at one end in the transverse sleeve; one end of each telescopic pipe close to the telescopic pipe is respectively connected with a rack, and each rack is distributed on two sides of the gear and meshed with the gear; a shaft sleeve is coaxially arranged in the outer sleeve and extends outwards through a shaft hole penetrating through the handle, and a knob is arranged at one end, corresponding to the outside of the handle, of the shaft sleeve; the shaft sleeve is matched with the rotating shaft through a spline.
The invention has the beneficial effects that: this device simple structure, the simple operation, the problem of the cartridge bag difficulty of fixing a position in the hole in the past, can obtain effectual solution, this device can accurate control gather the energy direction of cartridge bag, make the explosive produce the stress concentration effect in the predetermined direction, the local destruction effect of explosive has been improved, make the rock can reach directional blasting's effect, it can coincide with the smooth explosion face to gather energy the jet surface better control, consequently show the hole distance that increases presplitting smooth surface blasting, the pore-forming work load has been reduced promptly, reduce the super owing of tunnel country rock, the mobility of country rock has been reduced, the integrality and the stability that remain the rock mass have been improved, guarantee to excavate the circle of contour line, neat, realize "becoming more meticulous" of blasting. Therefore, the construction progress is accelerated, and the construction quality is obviously improved. In addition, the length and the width of the energy-collecting medicine bags with different hole depths and the energy-collecting medicine bags with different diameters can be flexibly adjusted, the energy-collecting medicine bags can be adjusted in time in the face of various actual complex conditions, the energy-collecting medicine bags can be repeatedly used for multiple times, the structure is simple, the requirement on operation is not high, the direction of the energy-collecting medicine bags can be visually observed, the material of the device is beryllium bronze, and the material is high in strength, wear-resistant, corrosion-resistant and spark-resistant, and can play an explosion-proof effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the second, third and fifth embodiments of the present invention;
fig. 3 is a schematic view of the internal structure of a five-horizontal pipe sleeve according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The first embodiment is as follows:
referring to figure 1, a directional charge adapted for use with a shaped charge comprises: an operating handle 3 is vertically arranged at one end of the pushing rod 1, a shifting rod 2 is arranged at one end, far away from the handle 3, of the pushing rod 1, and the shifting rod 2 is fixedly connected with the pushing rod 1 through the middle part; the adjusting blocks 4 are arranged in pairs and are respectively fixedly arranged at two ends of the shifting lever 2, and each adjusting block 4 extends along the length direction of the push rod 1.
Through the arrangement, the adjusting block 4 is fed into the hole for placing the energy-gathered explosive bag through the push rod 1, the energy-gathered explosive bag is rotated through the rotating handle 3, and meanwhile, under the action of the adjusting block 4, the energy release direction of the energy-gathered explosive bag is limited, so that the purpose of directional blasting is achieved. Therefore, the device can accurately control the energy-gathering direction of the energy-gathering explosive bag, so that the explosive generates a stress concentration effect in a preset direction, the local destruction effect of the explosive is improved, the rock can achieve the directional blasting effect, the energy-gathering jet surface and the smooth blasting surface are well controlled to be matched, the hole distance of the presplitting smooth blasting is obviously increased, the hole forming workload is reduced, the overbreak of tunnel surrounding rock is reduced, the disturbance of the surrounding rock is reduced, the integrity and the stability of the reserved rock mass are improved, the smoothness and the orderliness of an excavation contour line are ensured, and the 'refinement' of blasting is realized. Therefore, the construction progress is accelerated, and the construction quality is obviously improved. The device has simple structure and convenient operation, and effectively solves the problem that the energy-collecting medicine bag is difficult to position in the hole in the prior art.
Example two:
according to fig. 2, the propelling rod 1 is of a telescopic structure and is composed of an outer sleeve 5 and an inner sleeve 6 which are nested; the handle 3 is rigidly connected with one end of the outer sleeve 5, the outer sleeve 5 is internally provided with a cross section with a polygonal outline, and the inner sleeve 6 is freely and telescopically matched inside the outer sleeve 5 through an outer outline matched with the inside of the outer sleeve 5; one end of the outer sleeve 5, which is far away from the handle 3, is provided with a clamping mechanism 7 for restricting the axial position of the inner sleeve 6 in the outer sleeve 5.
In the arrangement, the clamping mechanism 7 can be realized by any one of the existing telescopic locking devices, so that the length change of the push rod 1 can be effectively realized, meanwhile, the polygonal nested matching surface can effectively transfer torque, and the angle adjusting effect of the adjusting block 4 on the energy-gathered explosive bag is ensured.
Example three:
the shift lever 2 comprises a transverse pipe sleeve 8, the outer side wall of the middle part of the transverse pipe sleeve 8 is rigidly connected with one end, far away from the handle 3, of the inner sleeve 6, and two ends of the transverse pipe sleeve 8 are communicated with each other and have a polygonal internal cross section; the telescopic pipe is characterized by further comprising a pair of telescopic pipes 9, wherein the pair of telescopic pipes 9 are respectively nested and matched in the two ends of the transverse pipe sleeve 8, and the outer diameter of each telescopic pipe 9 is matched with the inner diameter of the transverse pipe; the outer wall of one end of each extension tube 9 close to the extension tube is provided with a spring plate, and the spring plate is in friction fit with the inner wall of the transverse tube sleeve 8.
In the above arrangement, the spacing of the adjustment blocks 4 is varied by adjusting the position of the extension tube 9 in the transverse tube sleeve 8, so that different shaped charge sizes can be used.
Example four:
each adjusting block 4 is a cylinder structure with a wedge-shaped cross section, the top of each adjusting block 4 is fixedly connected with one side of the corresponding telescopic pipe 9 far away from the handle 3, and the sharp end of each adjusting block 4 is arranged oppositely.
In the above arrangement, the adjusting block 4 corresponds to the axial center position of the propelling rod 1, i.e. corresponds to the middle part of the energy-collecting medicine bag, so that the adjusting block 4 does not obstruct the energy diffusion of the energy-collecting medicine bag after the energy-collecting medicine bag is exploded.
Example five:
according to fig. 2 and 3, the inner sleeve 6 is of a pipe body structure, and the inner cavity of the transverse sleeve 8 is communicated with the inside of the inner sleeve 6; a rotating shaft 10 is arranged inside the inner sleeve 6 along the length direction, the rotating shaft 10 extends towards the inside of the transverse sleeve 8, and a gear 12 is arranged at one end of the rotating shaft in the transverse sleeve 8; one end close to each extension tube 9 is respectively connected with a rack 13, and each rack 13 is distributed on two sides of the gear 12 and meshed with the gear 12; a shaft sleeve 11 is coaxially arranged in the outer sleeve 5, the shaft sleeve 11 extends outwards through a shaft hole penetrating through the handle 3, and a knob 14 is arranged at one end, corresponding to the outside of the handle 3, of the shaft sleeve 11; the shaft sleeve 11 is in spline fit with the rotating shaft 10.
Through the setting, can realize changing the function of the interval between two regulating blocks 4, this in-process, rotatory knob 14, knob 14 drive axle sleeve 11 and pivot 10 are rotatory to make gear 12 and two rack 13 meshing transmission, and then make flexible pipe 9 in horizontal pipe box 8 synchronous concertina movement, when flexible pipe 9 moved, regulating block 4 changed distance each other thereupon, realized the effect of the dynamics of snatching to gathering the energy cartridge bag and adjusting.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. A directed charge adapted for use with a shaped charge, comprising:
the device comprises a push rod, a push rod and a push rod, wherein an operating handle is vertically arranged at one end of the push rod, a deflector rod is arranged at one end of the push rod, which is far away from the handle, and the deflector rod is fixedly connected with the push rod through the middle part;
the adjusting blocks are arranged in pairs and are respectively fixedly arranged at two ends of the deflector rod, and each adjusting block extends along the length direction of the pushing rod;
the propelling rod is of a telescopic structure and consists of an outer sleeve and an inner sleeve which are nested; the handle is rigidly connected with one end of the outer sleeve, the inner part of the outer sleeve is provided with a section with a polygonal outline, and the inner sleeve is matched with the inner part of the outer sleeve in a freely telescopic way through an outer outline matched with the inner part of the outer sleeve; one end of the outer sleeve, which is far away from the handle, is provided with a clamping mechanism for restraining the axial position of the inner sleeve in the outer sleeve;
the driving lever comprises a transverse pipe sleeve, the outer side wall of the middle part of the transverse pipe sleeve is rigidly connected with one end, far away from the handle, of the inner sleeve, and two ends of the transverse pipe sleeve are communicated with each other and have a polygonal inner cross section; the telescopic pipes are respectively nested and matched in the two ends of the transverse pipe sleeve, and the outer diameter of each telescopic pipe is matched with the inner diameter of the transverse pipe sleeve; the outer wall of one end of each telescopic pipe close to the telescopic pipe is provided with an elastic sheet respectively, and the elastic sheets are in friction fit with the inner wall of the transverse pipe sleeve;
each adjusting block is of a cylinder structure with a wedge-shaped cross section, the top of each adjusting block is fixedly connected with one side, away from the handle, of the corresponding telescopic pipe, and the sharp end of each adjusting block is arranged oppositely;
the inner sleeve is of a pipe body structure, and the inner cavity of the transverse pipe sleeve is communicated with the inside of the inner sleeve; a rotating shaft is arranged in the inner sleeve along the length direction, extends towards the inside of the transverse sleeve, and a gear is arranged at one end in the transverse sleeve; one end of each telescopic pipe close to the telescopic pipe is respectively connected with a rack, and each rack is distributed on two sides of the gear and meshed with the gear; a shaft sleeve is coaxially arranged in the outer sleeve, the shaft sleeve extends outwards through a shaft hole penetrating through the handle, and a knob is arranged at one end of the shaft sleeve corresponding to the outside of the handle; the shaft sleeve is matched with the rotating shaft through a spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219099.4A CN113008093B (en) | 2021-02-26 | 2021-02-26 | Directional explosive loading device suitable for energy-gathering explosive package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219099.4A CN113008093B (en) | 2021-02-26 | 2021-02-26 | Directional explosive loading device suitable for energy-gathering explosive package |
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| Publication Number | Publication Date |
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| CN113008093A CN113008093A (en) | 2021-06-22 |
| CN113008093B true CN113008093B (en) | 2022-11-29 |
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| CN202110219099.4A Active CN113008093B (en) | 2021-02-26 | 2021-02-26 | Directional explosive loading device suitable for energy-gathering explosive package |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114440723B (en) * | 2021-11-16 | 2023-01-10 | 中国矿业大学(北京) | Gun stick and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373776Y (en) * | 1998-07-31 | 2000-04-12 | 王东恩 | Energy-collecting blasting pipe capable of precision directional blasting and directional regulation rod |
| CN201016669Y (en) * | 2007-03-05 | 2008-02-06 | 中国水利水电第八工程局 | Special apparatus for double-cumulative presplitting and smooth blasting |
| CN102901414B (en) * | 2012-11-01 | 2014-07-30 | 中南大学 | Device special for in-hole positioning, orientating and propelling of tunnel directional fracture blasting shaped charge |
| CN105627848B (en) * | 2016-03-22 | 2018-01-30 | 中煤科工集团淮北爆破技术研究院有限公司 | Bilinearity CUMULATIVE BLASTING device and blasting method can be positioned in a kind of smooth blast hole |
| CN211234159U (en) * | 2019-07-18 | 2020-08-11 | 中铁十八局集团有限公司 | Tunnel periphery hole slit pipe energy-gathering smooth blasting laser centering positioning device |
| AU2020101246A4 (en) * | 2020-07-03 | 2020-08-13 | Anhui Leiming Explosives engineering Co.,Ltd | A Flexible Energy-Gathered Blasting Cutting Pipe Device and Its Application Method |
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