CN220602339U - Initiating explosive protective sleeve suitable for small-aperture mechanical pushing - Google Patents
Initiating explosive protective sleeve suitable for small-aperture mechanical pushing Download PDFInfo
- Publication number
- CN220602339U CN220602339U CN202321935645.5U CN202321935645U CN220602339U CN 220602339 U CN220602339 U CN 220602339U CN 202321935645 U CN202321935645 U CN 202321935645U CN 220602339 U CN220602339 U CN 220602339U
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- CN
- China
- Prior art keywords
- cap
- barrel
- explosive
- cartridge body
- concave
- Prior art date
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- 239000002360 explosive Substances 0.000 title claims abstract description 24
- 230000000977 initiatory effect Effects 0.000 title claims abstract description 14
- 230000001681 protective effect Effects 0.000 title claims abstract description 5
- 239000003999 initiator Substances 0.000 claims description 3
- 206010070834 Sensitisation Diseases 0.000 claims 2
- 230000008313 sensitization Effects 0.000 claims 2
- 238000005422 blasting Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000012377 drug delivery Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Portable Nailing Machines And Staplers (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model relates to the field of mine blasting, which is mainly characterized in that: the anti-theft device comprises a cap and a cartridge loading barrel, wherein the cartridge loading barrel is cylindrical, and an annular bulge and a concave wire slot are arranged at the outer side of one end of the barrel and along the axis of the outer side of the barrel; the other end of the barrel body is an open end and is provided with a guide hole in butt joint with the drug delivery pipe, and an annular clamping seat is arranged at the inner side of the guide hole; the cap is of a hemispherical structure, and a concave clamping groove matched with the cartridge loading body is formed in the inner side of the bottom end of the cap; the cap is matched with the annular bulge of the cartridge body through the concave clamping groove. The novel protective device for the initiating explosive has the advantages of simple structure, safety, rationality, low cost, capability of filling the explosive on site and convenient use; the protective device adopting the primary explosive can effectively improve the safety guarantee when the primary explosive is pushed mechanically, improve the charging efficiency, reduce the cost and increase the efficiency. Plays a certain role in the later stage of realizing the mechanical, automatic and intelligent development process of mine charging and blasting.
Description
Technical Field
The utility model belongs to the field of mine blasting, and particularly relates to an initiating explosive protecting sleeve suitable for small-aperture mechanical pushing.
Background
In the process of underground mine exploitation, drilling and blasting operation, in order to effectively improve the charging safety and the lifting operation efficiency of various small-aperture horizontally-packed blastholes, the earliest artificial explosive charging operation mode is gradually converted into a mechanically-implemented explosive mixing operation mode. The tunneling of the underground mine roadway is mainly characterized in that: the drill hole has the characteristics of small hole diameter, multiple hole numbers, single-hole charge, small whole charge quantity and the like, is greatly influenced by the limit of the explosion free surface and the rock stratum shearing force, and can reduce the charge efficiency and increase the labor and the frying cost while influencing the charge pushing safety when the mechanical pushing operation is implemented. By adopting the technical scheme of the novel initiating explosive protecting sleeve, the damage of the initiating explosive to the explosive charge in the mechanical rapid propelling process can be effectively reduced, and the effects of improving the efficiency of mechanical explosive pushing, saving the explosive charge time, reducing the potential safety hazard and reducing the operation difficulty are achieved.
Disclosure of Invention
Aiming at the problems of low charging efficiency, high labor cost, high frying material cost and the like, the utility model provides an initiating explosive protecting sleeve suitable for small-aperture mechanical pushing.
The technical scheme of the utility model is as follows: an initiating explosive protecting sleeve suitable for small-aperture mechanical pushing comprises a concave clamping groove on the inner wall of a cap and an annular bulge on the upper part of a cartridge body.
The outer wall of the cartridge body is provided with a concave wire slot for fixing the detonator leg wire.
The sensitizer is inserted into the sensitizer guide hole at the bottom of the loading cylinder body; the top of the sensitizer is restrained by an annular cartridge.
The center of the annular clamping seat is provided with a hole of 10-13 mm.
The utility model has the beneficial effects that:
the utility model solves the protection technology when the mechanical pushing of the primary explosive is implemented, solves the problems of low blasting efficiency, high cost and the like while ensuring the safety, and plays a role in reducing the cost and enhancing the efficiency.
Drawings
Figure 1 is a schematic diagram of the overall structure of an initiator charge protection sleeve suitable for small aperture mechanical pushing.
Figure 2 is a top view of an initiator charge protection sleeve suitable for small aperture mechanical pushing.
In the figure: the device comprises a cap 1, a cartridge body 2, an annular bulge 3, a sensitizer guide hole 4, an annular clamping seat 5, a concave clamping groove 6, a concave line groove 7 and a sensitizer 8.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and specific examples.
Example 1
An initiating explosive protecting sleeve suitable for small-aperture mechanical pushing comprises a concave clamping groove 6 on the inner wall of a cap 1 and an annular bulge 3 on the upper part of a cartridge body 2.
The outer wall of the cartridge body 2 is provided with a concave wire slot 7 for fixing detonator leg wires.
The sensitizer 8 is inserted into the sensitizer guide hole 4 at the bottom of the cartridge body 2; the top of the sensitizer 8 is limited by the annular cartridge 5.
The circle center of the annular clamping seat is provided with a hole with the diameter of 12 mm.
Example 2
An initiating explosive protecting sleeve suitable for small-aperture mechanical pushing is utilized in the embodiment 1, and the implementation process is as follows: the cap was opened, the phi 32mm cartridge was bisected from the middle, and then half cartridges were mounted in the cartridge with the cut face facing upward. Inserting the digital electronic detonator into the cut surface of the explosive cartridge, arranging the concave wire slot of the digital electronic detonator leg wire along the cartridge body to the tail end of the cartridge body, fixing the digital electronic detonator on the cartridge body by using adhesive tape, and covering the cap.
Inserting a sensitizer tube of the charging trolley into a sensitizer tube guide hole at the tail end of the cylinder body, placing an initiating explosive into a drilling hole opening manually or in a mechanical alignment mode, starting a sensitizer tube conveying device, starting a latex matrix conveying device after the initiating explosive protecting sleeve is extended into the hole bottom, separating the sensitizer tube from the initiating explosive protecting sleeve under the pushing of the latex matrix, and carrying out latex matrix filling operation in the hole until the whole hole is filled, and withdrawing the sensitizer tube and finishing filling.
The foregoing embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (2)
1. The utility model provides an initiating explosive protective sheath suitable for mechanical propelling movement of aperture, its characterized in that, concave draw-in groove (6) of cap (1) inner wall meets with annular boss (3) of dress cartridge body (2) upper portion, the sensitization ware (8) are inserted into sensitization ware guide hole (4) of dress cartridge body (2) bottom; the top of the sensitizer (8) is limited by an annular clamping seat (5), a hole of 10-13 mm is reserved at the center of the annular clamping seat (5), and a concave wire slot (7) is arranged on the outer wall of the cartridge body (2).
2. An initiator charge protection sleeve suitable for small aperture mechanical pushing according to claim 1, characterized in that the cap (1) is of hemispherical structure and the cartridge body (2) is of hollow cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935645.5U CN220602339U (en) | 2023-07-21 | 2023-07-21 | Initiating explosive protective sleeve suitable for small-aperture mechanical pushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935645.5U CN220602339U (en) | 2023-07-21 | 2023-07-21 | Initiating explosive protective sleeve suitable for small-aperture mechanical pushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602339U true CN220602339U (en) | 2024-03-15 |
Family
ID=90181203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321935645.5U Active CN220602339U (en) | 2023-07-21 | 2023-07-21 | Initiating explosive protective sleeve suitable for small-aperture mechanical pushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602339U (en) |
-
2023
- 2023-07-21 CN CN202321935645.5U patent/CN220602339U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |