CN216593019U - Packing cartridge case for explosive loading of blasting engineering - Google Patents
Packing cartridge case for explosive loading of blasting engineering Download PDFInfo
- Publication number
- CN216593019U CN216593019U CN202120487936.7U CN202120487936U CN216593019U CN 216593019 U CN216593019 U CN 216593019U CN 202120487936 U CN202120487936 U CN 202120487936U CN 216593019 U CN216593019 U CN 216593019U
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- self
- closing plug
- pipe
- wedge
- cone
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- 239000002360 explosive Substances 0.000 title claims abstract description 39
- 238000005422 blasting Methods 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 title claims description 4
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 239000003380 propellant Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model relates to a packaging cartridge case for explosive loading of blasting engineering, which comprises an air cone, a rear cover, a pipe (or other materials) and a self-closing plug, wherein the pipe is a tubular shell with an opening at the upper end and the lower end, the pipe is used for accommodating the explosive, the air cone is arranged at the inner top of the pipe, the air cone is in a hollow wedge shape, the wedge end of the air cone points to the self-closing plug, the self-closing plug is a plastic plug with a middle part opened, the tail end of the self-closing plug is in a wedge shape, the tail end of the self-closing plug points to a blast hole opening, the air cone is inserted into the self-closing plug when the explosive is combusted or blasted, so that the self-closing plug expands and is fixed with the blast hole wall to achieve the blocking effect, the rear cover is arranged at the inner bottom of the pipe, and the rear cover is used for blocking the bottom of the pipe to prevent the explosive from leaking or being affected with damp; compared with the prior art, the utility model can automatically strengthen the blocking strength of the blast hole without filling sand when the charge is combusted or exploded, and prevent the generated high-pressure gas from leaking until the rock mass or the blasting object is cracked.
Description
[ technical field ]
The utility model relates to the technical field of explosive charging in blasting engineering, in particular to a packaging cartridge case for explosive charging in blasting engineering.
[ background art ]
In the prior art, the industrial explosive blasting generally does not use a special cartridge case, and a blast hole is filled with stemming after the explosive and a detonator are filled in the blast hole and then is detonated. When propellant powder (propellant) is used as blasting charge (similar to the traditional black powder blasting), the often-filled stemming is firstly punched out during the initiation, so the blasting effect is poor, and the energy of the charge cannot be fully utilized.
[ contents of utility model ]
The utility model aims to solve the defects and provide a packaging cartridge case for explosive charge in blasting engineering, which can automatically strengthen the blocking strength of a blast hole without filling sand during combustion or explosion of the explosive charge and prevent generated high-pressure gas from leaking until a rock body or an explosive object is cracked.
The packing cartridge case comprises an air cone 1, a rear cover 2, a pipe 3 and a self-closing plug 7, wherein the pipe 3 is a tubular shell with an opening at the upper end and a lower end, the pipe 3 is used for containing explosive 4, the air cone 1 is arranged at the inner top of the pipe 3, the air cone 1 is in a hollow wedge shape, the wedge end of the air cone is directed to the self-closing plug 7, the self-closing plug 7 is a plastic plug with a middle cut open, the tail end of the self-closing plug 7 is in a wedge shape, the tail end of the self-closing plug 7 is directed to a gun hole opening, the air cone 1 and the self-closing plug 7 are assembled in advance during explosive charging, the self-closing plug 7 expands and is fixed with the wall of the gun hole to achieve a blocking effect when the explosive is combusted or exploded, the rear cover 2 is arranged at the inner bottom of the pipe 3, and the rear cover 2 is used for blocking the bottom of the pipe 3 to prevent the explosive from leaking or being affected by damp.
Furthermore, a V-shaped groove is formed in the connecting end of the self-closing plug 7 and the air cone 1, and the V-shaped groove is connected with the wedge end of the air cone 1 in a matched mode.
Furthermore, the air cone 1 is composed of a wedge section located on the upper portion and a cylinder section located on the lower portion, the wedge section and the cylinder section are of an integrated structure, the wedge section is of a hollow wedge structure with a closed tip portion, and the cylinder section is of a hollow wedge structure with a cavity and an open end at one end connected with the wedge.
Further, the tubular product 3 is installed in the lower part in the big gun hole 8, a detonating tube or an electric ignition lead 6 is led out of the big gun hole 8, and a detonating tube firing head or an electric ignition head 5 at the end part of the detonating tube or the electric ignition lead 6 extends into the tubular product 3 and is positioned between the gas cone 1 and the rear cover 2.
Further, the gas cone 1, the rear cover 2 and the self-closing plug 7 are all formed by plastic injection molding, the self-closing plug 7 is formed by injection molding or processing other materials with higher compressive strength, and the pipe 3 is a plastic extruded pipe or a pipe made of other materials.
Further, the charge 4 in the pipe 3 is industrial explosive, propellant or pyrotechnic agent.
Furthermore, the rear cover 2 is a columnar structure with a cavity inside, an open upper end and a closed lower end.
Further, the rear cover 2 is replaced by a combination of a plastic air cone II and a self-closing plug, the plastic air cone II is in a hollow wedge shape, the wedge end of the plastic air cone II points to the self-closing plug II, the self-closing plug II is a plastic plug with the middle opened, the tail end of the plastic plug is in a wedge shape, and the tail end of the self-closing plug II points to the bottom of the blast hole.
Compared with the prior art, the utility model has the following advantages:
(1) by adopting the shell for charging in blasting engineering, the blocking strength of the blast hole can be automatically strengthened without filling up sandy soil during combustion or explosion of the charged powder, and the generated high-pressure gas is prevented from leaking until a rock body or a blasting object is cracked;
(2) when the explosive is used in an explosive charging sequence in which a plurality of explosive packages are loaded in the same deep blast hole, the problem of high-pressure gas sealing caused by asynchronism when different explosive charges in the same blast hole are detonated can be solved;
(3) the utility model has obvious effect without filling blast holes especially in the peripheral blast hole blasting of rock tunnel blasting engineering and smooth blasting of other working conditions.
[ description of the drawings ]
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a schematic diagram of the present invention after charging;
FIG. 3 is a schematic illustration of the installation of the present invention in a blast hole;
FIG. 4 is a schematic illustration of a sequential charge configuration of the present invention;
FIG. 5 is a schematic illustration of the charging configuration of the sequence of the present invention in a borehole;
in the figure: 1. the gas cone 2, the back cover 3, the pipe 4, the charge 5, the detonating tube igniting head or the electric igniting head 6, the detonating tube or the electric igniting lead 7, the self-closing plug 8 and the blast hole.
[ detailed description of the utility model ]
The utility model is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the utility model relates to a packaging shell for industrial explosive or high-energy gas fracturing bomb (currently named as a rock-cracking tube), in particular to a packaging shell for explosive loading in blasting engineering, which comprises an air cone 1, a rear cover 2, a tube 3 and a self-closing plug 7, wherein the tube 3 is a tubular shell with the upper end and the lower end open, the tube 3 is used for containing explosive 4, the air cone 1 is arranged at the inner top of the tube 3, the air cone 1 is in a hollow wedge shape, the wedge end of the self-closing plug 7 points to the self-closing plug 7, the self-closing plug 7 is a plastic plug with a middle cut open, the tail end of the self-closing plug 7 is in a wedge shape, the tail end of the self-closing plug 7 points to a blast hole opening, the gas cone 1 is automatically inserted into the self-closing plug 7 when charging is combusted or exploded, the self-closing plug 7 is expanded and fixed with the blast hole wall to achieve the blocking effect, the rear cover 2 is arranged at the inner bottom of the pipe 3, and the rear cover 2 is used for blocking the bottom of the pipe 3 to prevent charging leakage or damp.
Wherein, the end of the self-closing plug 7 connected with the gas cone 1 is provided with a V-shaped groove, and the V-shaped groove is connected with the wedge end of the gas cone 1 in a matching way. The air cone 1 is composed of a wedge section and a cylindrical section, the cylindrical section is located at the lower portion of the wedge section, the wedge section and the cylindrical section are of an integrated structure, the wedge section is of a hollow wedge structure with a closed tip portion, and the cylindrical section is of a hollow wedge structure with a cavity and one end being open and connected with the wedge. The tubular product 3 is installed in the lower part in the big gun hole 8, and the big gun hole 8 is outer to be led to have detonator or electric ignition lead 6, and the detonator ignition head or the electric ignition head 5 of detonator or electric ignition lead 6 tip extend in tubular product 3, and are located the position department between gas cone 1 and back lid 2. The gas cone 1, the rear cover 2 and the self-closing plug 7 are processed by injection molding or other materials with higher compressive strength, and the pipe 3 is a plastic extruded pipe or a pipe made of other materials; the charge 4 in the tube 3 is an industrial explosive, propellant or pyrotechnic agent.
The rear cover 2 can be a columnar structure with a cavity inside, an open upper end and a closed lower end. The rear cover 2 can also be replaced by a combination of a plastic air cone II and a self-closing plug, the plastic air cone II is in a hollow wedge shape, the wedge end of the plastic air cone II points to the self-closing plug II, the self-closing plug II is a plastic plug with the middle opened, the tail end of the plastic plug is in a wedge shape, and the tail end of the self-closing plug II points to the bottom of the blast hole; the second plastic air cone has the same structure as the air cone 1, and is not described in detail.
The utility model mainly comprises a tubular shell, a rear cover, a front gas cone and a self-closing plug, wherein the front gas cone (wedge shape) can be inserted into the self-closing plug when the explosive is burnt or exploded to expand and fix with the blast hole wall to achieve the effect of strengthening blocking, so that the gas generated after the explosive is burnt or exploded can be tightly limited in the blast hole without filling sand until the rock or the blasting object is exploded and cracked. The air cone is in a hollow wedge shape, the wedge points to the self-closing plug during charging, and the tail end (still in a wedge shape) of the self-closing plug points to the opening of the gun hole. The cartridge is a plastic tube for containing the charge (propellant or propellant). The back cover is used for plugging the other end of the plastic pipe to prevent the medicine from leaking or being affected with damp. The rear cover can also be replaced by the hollow air cone and the self-closing plug (the wedge and the plug are symmetrically structured to charge the powder).
The explosive loading shell can enable the filling material with the explosive loading structure to also strengthen the blast hole blocking effect during medicament combustion or explosion, does not need to perform filling operation of sandy soil, reduces the loss of high-energy gas and energy generated by explosion or combustion from the explosive loading blast hole, thereby achieving the explosion effect, enables the explosive loading in the blast hole to automatically seal the blast hole during explosion, particularly enables the efficiency of explosion operation by adopting propellant powder (propellant) to be higher when an explosive loading sequence is used in deep hole explosion, and simultaneously solves the problem of high-pressure gas leakage caused by asynchronous explosive loading explosion during deep hole explosion.
In the utility model, the gas cone 1 is wedge-shaped, and both ends of the explosive (cracked rock tube) can be used. The rear cover 2 can be symmetrically charged by adopting the air cone 1 instead. The charge 4 may be an industrial explosive, a propellant, a pyrotechnic agent or any agent that rapidly generates a gas. The self-closing plug 7 is a functional plastic plug capable of automatically filling and plugging, and has two half structures, and two ends of a charge (a cracked rock pipe) can be used. The gas cone 1 is a core element, has the same effect when being used independently, provides package protection for the medicament when the gas cone 1, the rear cover 2 and the pipe 3 are used in a combined way, and has the functions of fire prevention and moisture prevention; when the self-closing plug 7 is combined for use, the blast hole can be automatically plugged.
The following detailed description of the embodiments of the present invention is made with reference to the accompanying fig. 3:
in the first step, a hole is drilled in the rock or concrete structure to be blasted.
And secondly, the projectile body is loaded into a blast hole, the gas cone tip on the projectile body and the automatically-filled plastic plug point to a blast hole opening, a lead or a detonating tube on the projectile body is arranged outside the hole, a plug does not need to be filled in the blast hole, and the lead is connected to a safe position.
And thirdly, detonating, wherein the gas cone wedges on the projectile body move at a high speed to the automatically plugged plastic plug, and the mechanism is immediately propped open by the gas cone wedges due to the inertia of the plastic plug and is limited by the lateral direction of the blast hole to generate an effect similar to an expansion bolt, so that the plug is tighter over the top, the high-energy gas generated after the combustion or explosion of the medicament cannot leak until the high-energy gas breaks the rock or the concrete.
Fig. 4 and 5 show an example of the use of deep hole blasting, in particular smooth blasting.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (7)
1. A packing shell for blasting engineering powder charge, which is characterized in that: comprises an air cone (1), a rear cover (2), a pipe (3) and a self-closing plug (7), the tube (3) is a tubular shell with openings at the upper end and the lower end, the tube (3) is used for containing the explosive charge (4), the gas cone (1) is arranged at the top in the pipe (3), the gas cone (1) is in a hollow wedge shape, the wedge end points to a self-closing plug (7), the self-closing plug (7) is a plastic plug with a middle cut open, the tail end of the self-closing plug (7) points to the opening of the gun, the gas cone (1) is automatically inserted into the self-closing plug (7) when the charging combustion or the blasting is carried out, so that the self-closing plug (7) is expanded and fixed with the blast hole wall to achieve the blocking effect, the rear cover (2) is arranged at the bottom in the pipe (3), and the rear cover (2) is used for plugging the bottom of the pipe (3) to prevent charge leakage or damp.
2. The packaged cartridge of claim 1, wherein: the self-closing plug (7) is connected with the end of the gas cone (1) and is provided with a V-shaped groove, and the V-shaped groove is connected with the wedge end of the gas cone (1) in a matched mode.
3. The packaged cartridge of claim 1, wherein: the gas cone (1) is composed of a wedge section located on the upper portion and a cylindrical section located on the lower portion, the wedge section and the cylindrical section are of an integrated structure, the wedge section is of a hollow wedge structure with a closed tip portion, and the cylindrical section is of a hollow wedge structure with a cavity and an open end at one end connected with the wedge.
4. A packaged cartridge for blasting engineering charge according to claim 1, wherein: the pipe (3) is arranged at the lower part in the blast hole (8), a detonating tube or an electric ignition lead (6) is led out of the blast hole (8), and a detonating tube ignition head or an electric ignition head (5) at the end part of the detonating tube or the electric ignition lead (6) extends into the pipe (3) and is positioned between the gas cone (1) and the rear cover (2).
5. The packaged cartridge of claim 1, wherein: the explosive charge (4) in the pipe (3) is industrial explosive, propellant powder, propellant or pyrotechnic agent.
6. A packaging cartridge case for a blasting engineering charge according to any one of claims 1 to 5, wherein: the rear cover (2) is a columnar structure with a cavity, an open upper end and a closed lower end.
7. A packaging cartridge case for a blasting engineering charge according to any one of claims 1 to 5, wherein: the rear cover (2) can be replaced by a combination of a plastic air cone II and a self-closing plug, the plastic air cone II is in a hollow wedge shape, the wedge end of the plastic air cone II points to the self-closing plug II, the self-closing plug II is a plastic plug with the middle split, the tail end of the self-closing plug II is in a wedge shape, and the tail end of the self-closing plug II points to the bottom of the blast hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487936.7U CN216593019U (en) | 2021-03-07 | 2021-03-07 | Packing cartridge case for explosive loading of blasting engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487936.7U CN216593019U (en) | 2021-03-07 | 2021-03-07 | Packing cartridge case for explosive loading of blasting engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593019U true CN216593019U (en) | 2022-05-24 |
Family
ID=81608845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120487936.7U Active CN216593019U (en) | 2021-03-07 | 2021-03-07 | Packing cartridge case for explosive loading of blasting engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753909B2 (en) | 2018-04-06 | 2023-09-12 | DynaEnergetics Europe GmbH | Perforating gun system and method of use |
-
2021
- 2021-03-07 CN CN202120487936.7U patent/CN216593019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753909B2 (en) | 2018-04-06 | 2023-09-12 | DynaEnergetics Europe GmbH | Perforating gun system and method of use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231030 Address after: No.301, Lane 266, Anbo Road, Yangpu District, Shanghai 200433 Patentee after: Xu Jianyong Patentee after: LUZHOU NORTH CHEMICAL INDUSTRY Co.,Ltd. Address before: No.301, Lane 266, Anbo Road, Yangpu District, Shanghai 200433 Patentee before: Xu Jianyong |
|
| TR01 | Transfer of patent right |