CN216523459U - Fire transmission connecting structure for explosive loading of blasting engineering - Google Patents
Fire transmission connecting structure for explosive loading of blasting engineering Download PDFInfo
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- CN216523459U CN216523459U CN202120487820.3U CN202120487820U CN216523459U CN 216523459 U CN216523459 U CN 216523459U CN 202120487820 U CN202120487820 U CN 202120487820U CN 216523459 U CN216523459 U CN 216523459U
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- pipe
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- front cover
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- 239000002360 explosive Substances 0.000 title claims abstract description 32
- 238000005422 blasting Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 238000005474 detonation Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000003380 propellant Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a fire transmission connecting structure for explosive loading of blasting engineering, which comprises an A tube with an ignition device and a B tube without the ignition device, wherein an air cone is arranged at the front part in the tube I of the A tube, the air cone is in a hollow wedge shape, the wedge end of the air cone points to a blast hole opening, a first rear cover is arranged at the rear part in the tube I, a detonating tube igniter or an electric igniter is arranged between the first air cone in the tube I and the first rear cover, the detonating tube igniter or the electric igniter is connected with a detonating tube or an electric ignition lead outside a blast hole, a front cover is arranged at the front part in the tube II of the B tube, a second rear cover is arranged at the rear part in the tube II, the front cover of the B tube is connected with the first rear cover of the A tube in a matching manner, and the explosive in the B tube is ignited or detonated by the first rear cover and the front cover after the explosive in the A tube is detonated; compared with the prior art, the utility model can strengthen the charge of the tube A, does not increase the cost of the ignition head, and simultaneously avoids the problem of asynchronous wiring and blasting.
Description
[ technical field ]
The utility model relates to the technical field of blasting engineering, in particular to a fire transmission connecting structure for blasting engineering charging.
[ 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. However, when propellant powder (propellant) is used as blasting charge (similar to the conventional black powder blasting), the stemming is often first punched out during initiation, so the blasting effect is poor and the energy of the charge cannot be fully utilized. Although a package casing of a basic form is disclosed in the utility model patent document No. 2020213346672, the problem of plugging by blasting with propellant powder is solved preliminarily, but when the casing is blasted in a blast hole, no reliable gap blast or fire transfer blast is generated between the two casings.
[ contents of utility model ]
The utility model aims to solve the defects and provide a fire transmission connecting structure for blasting engineering charge, which can strengthen the charge of the tube A, does not increase the cost of an ignition head, and simultaneously avoids the problem of asynchronous wiring and blasting.
The fire transmission connecting structure for explosive loading of blasting engineering comprises an A pipe 9 with an ignition device and a B pipe 10 without the ignition device, wherein the A pipe 9 comprises a first pipe 81, the first pipe 81 is used for containing explosive 4, an air cone 7 is arranged at the front part in the first pipe 81, the air cone 7 is in a hollow wedge shape, the wedge end of the air cone points to a blast hole opening, a first rear cover 11 is arranged at the rear part in the first pipe 81, an explosive tube igniting head or an electric ignition head 5 is arranged between the air cone 7 and the first rear cover 11 in the first pipe 81, the explosive tube igniting head or the electric ignition head 5 is connected with an explosive tube or an electric ignition lead 6 outside the blast hole, the B pipe 10 comprises a second pipe 82, the second pipe 82 is used for containing the explosive 4, a front cover 2 is arranged at the front part in the second pipe 82, a second rear cover 12 is arranged at the rear part in the second pipe 82, the front cover 2 of the B pipe 10 is in matched connection with the first rear cover 11 of the A pipe 9, after the explosive in the A tube 9 is detonated through the detonating tube or the electric ignition lead 6, the flame or detonation substance of the explosive ignites or detonates the explosive in the B tube 10 through the rear cover I11 of the A tube 9 and the front cover 2 of the B tube 10.
Furthermore, the gas cone 7 is composed of a conical section located at the upper part and a cylindrical section located at the lower part, the conical section and the cylindrical section are of an integrated structure, the conical section is of a hollow conical structure with a closed tip, and the cylindrical section is of a tubular structure with a cavity and openings at the upper end and the lower end.
Further, the first pipe 81 and the second pipe 82 are tubular shells with upper ends and lower ends opened, and the front cover 2, the first rear cover 11 and the second rear cover 12 are all formed by plastic injection molding.
Furthermore, the first rear cover 11 and the second rear cover 12 are both hollow tubular and are concave, and one inward end of the hollow tubular is closed.
Further, the front cover 2 of the tube B10 is in a projecting tube shape, the front end is closed, and the front cover 2 is inserted into the first rear cover 11 of the tube A9.
Furthermore, the front cover 2 and the rear cover I11 are in tenon connection or threaded connection, and the tenon connection is a direct insertion type tenon or a kink type tenon.
Further, the length of the convex tubular part of the front cover 2 is shorter than that of the concave tubular part of the first rear cover 11, and after the front cover 2 is tightly assembled with the first rear cover 11, a cavity 3 is formed between the convex tubular part and the concave tubular part.
Further, the number of the B pipes 10 is at least two, and the B pipes are sequentially connected end to end, wherein the front cover 2 of one B pipe 10 is inserted into the second rear cover 12 of the adjacent B pipe 10.
Furthermore, the front cover 2 and the rear cover 12 are in tenon connection or threaded connection, and the tenon connection is a direct insertion type tenon or a kink type tenon.
Further, the length of the convex tubular part of the front cover 2 is shorter than that of the concave tubular part of the second back cover 12, and after the front cover 2 is tightly assembled with the second back cover 12, a cavity 3 is formed between the convex tubular part and the concave tubular part.
Compared with the prior art, the utility model has novel structure, simplicity and reasonable design, can ensure that the tube A with the ignition device and filled with the medicament can directly transmit ignition energy to the tube B without the ignition device but filled with the medicament in the blast hole, and leads the charge in the tube B to generate detonation; meanwhile, the tube B can be connected with a more multistage tube B in series, so that the charging amount of the tube A can be enhanced, the cost of an ignition head is not increased, the problem of asynchronous wiring and blasting is solved, the construction site can obtain various charging weights through a small number of product specifications, and the device is flexible and changeable and is worthy of popularization and application.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the tube B of FIG. 1 without the pilot device;
FIG. 3 is a schematic view of the structure of the tube A with the ignitor of FIG. 1;
FIG. 4 is a schematic view of the plastic front cover of FIG. 2;
FIG. 5 is a schematic structural view of the first plastic rear cover in FIG. 3;
FIG. 6 is a schematic view of the connection of the plastic front cover and the plastic rear cover I;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
FIG. 8 is a schematic view of the connection of 2 tubes B and 1 tube A according to the present invention;
in the figure: 11. the device comprises a first rear cover 12, a second rear cover 2, a front cover 3, a cavity 4, a charge 5, a detonating tube igniter or electric igniter 6, a detonating tube or electric ignition lead 7, an air cone 81, a first pipe 82, a second pipe 9, a pipe A10 and a pipe B.
[ detailed description of the utility model ]
As shown in the attached drawings, the utility model relates to a packaging shell for industrial explosive or high-energy gas fracturing bomb (currently named as a rock burst tube), in particular to a fire transmission connecting structure for blasting engineering charge, which comprises an A tube 9 with an ignition device and a B tube 10 without the ignition device, wherein the A tube 9 comprises a first tube 81, the first tube 81 is used for containing charge 4, the inner front part of the first tube 81 is provided with a gas cone 7, the gas cone 7 is in a hollow wedge shape, the wedge end of the gas cone points to a blast hole opening, the inner rear part of the first tube 81 is provided with a first rear cover 11, a first detonating tube igniting head or an electric igniting head 5 is arranged between the gas cone 7 in the first tube 81 and the first rear cover 11, the detonating tube igniting head or the electric igniting head 5 is connected with a detonating tube or an electric igniting lead 6 outside the blast hole, the B tube 10 comprises a second tube 82, the second tube 82 is used for containing charge 4, the inner front part of the second tube 82 is provided with a front cover 2, the inner rear part of the second tube 82 is provided with a second rear cover 12, the front cover 2 of the tube B10 is matched and connected with the first rear cover 11 of the tube A9, after the explosive charge in the tube A9 is detonated through the detonating tube or the electric ignition lead 6, the flame or detonation substance of the explosive charge ignites or detonates the explosive charge in the tube B10 through the first rear cover 11 of the tube A9 and the front cover 2 of the tube B10; the charge may be an industrial explosive, a propellant, a pyrotechnic agent or any agent that rapidly generates a gas.
Wherein, gas cone 7 comprises the circular cone section that is located the upper portion and the cylinder section that is located the lower part, and circular cone section and cylinder section formula structure as an organic whole, and the circular cone section is sharp portion confined hollow circular cone structure, and the cylinder section is inside to be equipped with cavity, the open tubular structure in upper and lower end. The first pipe 81 and the second pipe 82 are tubular shells with upper ends and lower ends opened, and the front cover 2, the first rear cover 11 and the second rear cover 12 are all formed by plastic injection molding. The first rear cover 11 and the second rear cover 12 are both hollow tubular, and one inward end of the first rear cover is closed; the front cover 2 of the tube B10 is in a projecting tube shape, the front end of the front cover is closed, the front cover 2 is inserted into the rear cover I11 of the tube A9, the front cover 2 and the rear cover I11 are connected by adopting a clamping tenon or a thread, and the clamping tenon connection is a direct insertion type clamping tenon or a kink type clamping tenon; the length of the convex tubular part of the front cover 2 is shorter than that of the concave tubular part of the first rear cover 11, and after the front cover 2 is tightly assembled with the first rear cover 11, a cavity 3 is formed between the convex tubular part and the concave tubular part.
In the utility model, at least two B pipes 10 are arranged and sequentially connected end to end, wherein the front cover 2 of one B pipe 10 is inserted into the second rear cover 12 of the adjacent B pipe 10; the front cover 2 and the second rear cover 12 are connected by adopting a clamping tenon or a thread, the clamping tenon is in a straight-inserting type clamping tenon or a kink type clamping tenon, the length of the protruding tubular part of the front cover 2 is shorter than that of the recessed tubular part of the second rear cover 12, and after the front cover 2 and the second rear cover 12 are tightly assembled, a cavity 3 is formed between the protruding tubular part and the recessed tubular part.
The utility model mainly lies in that after the explosive charge in the tube A is detonated by the ignition device, flame or detonation substances can continuously ignite or detonate the explosive charge in the tube B through the rear cover of the tube A and the front cover of the tube B, and the tube B does not need to be separately provided with the ignition device. Wherein, the rear cover is a hollow tube with a concave shape, and one inward end is closed; the front cover is in a projecting tubular shape, the front end of the front cover is closed, and the front cover is used for inserting the rear cover. And after the front cover is inserted into the rear cover, the front cover is connected by a clamping tenon, and the front cover can be a straight-inserting type clamping tenon, a knot type clamping tenon or a threaded connection. When the front cover and the rear cover are tightly combined, the length of the convex tubular part of the front cover is shorter than that of the concave tubular part of the rear cover, and a space close to the radius of the tubular convex part is arranged in the middle, as shown as a cavity 3 in figures 6 and 7, namely, the cavity 3 is formed after the front cover and the rear cover are tightly assembled.
By adopting the shell for the explosive loading and fire transmitting structure of the blasting engineering, the explosive A with the ignition device can conveniently increase the explosive amount B (without the ignition device) to obtain A + B, and the total explosive amount of A + N + B can be further obtained, so that various explosive loading weights can be obtained through a small number of product specifications on a construction site, and the shell is flexible and changeable. The utility model can make the A tube to transmit fire to the B tube (including the B tube to the B tube of the backward stage).
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:
firstly, inserting a front cover of a tube B into a rear cover of a tube A;
secondly, screwing the pipe B to ensure that the clamping tenon is firmly connected;
thirdly, if the dosage needs to be further increased, inserting a tube B into the rear cover of the tube B, and screwing the clamping tenon;
and fourthly, placing the obtained charging sequence into a blast hole according to requirements, and carrying out blasting operation according to relevant regulation.
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 (10)
1. The utility model provides a pass fire connection structure for blasting engineering powder charge which characterized in that: the explosive-proof device comprises an A pipe (9) with an ignition device and a B pipe (10) without the ignition device, wherein the A pipe (9) comprises a first pipe (81), the first pipe (81) is used for containing explosive charges (4), an air cone (7) is arranged at the front part in the first pipe (81), the air cone (7) is in a hollow wedge shape, the wedge end of the air cone points to a gun hole opening, a first rear cover (11) is arranged at the rear part in the first pipe (81), an explosive-proof pipe igniting head or an electric ignition head (5) is arranged between the first pipe (81) and the first rear cover (11), the explosive-proof pipe igniting head or the electric ignition head (5) is connected with an explosive-proof pipe or an electric ignition lead (6) outside the gun hole, the B pipe (10) comprises a second pipe (82), the second pipe (82) is used for containing the explosive charges (4), a front cover (2) is arranged at the front part in the second pipe (82), and a second rear cover (12) is arranged in the second pipe (82), the front cover (2) of the B pipe (10) is matched and connected with the first rear cover (11) of the A pipe (9), after explosive charge in the A pipe (9) is detonated through the detonating tube or the electric ignition lead (6), flame or detonation substances of the explosive charge are ignited or detonated through the first rear cover (11) of the A pipe (9) and the front cover (2) of the B pipe (10).
2. A fire transmitting attachment for a blasting charge according to claim 1, wherein: the gas cone (7) is composed of a conical section located on the upper portion and a cylindrical section located on the lower portion, the conical section and the cylindrical section are of an integrated structure, the conical section is of a hollow conical structure with a closed tip portion, and the cylindrical section is of a tubular structure with a cavity and openings in the upper end and the lower end.
3. A fire transmitting attachment for a blasting charge according to claim 1, wherein: the first pipe (81) and the second pipe (82) are tubular shells with upper and lower ends being open, and the front cover (2), the first rear cover (11) and the second rear cover (12) are all formed by plastic injection molding.
4. A fire transmitting attachment for a blasting charge according to claim 1, wherein: the first rear cover (11) and the second rear cover (12) are both in a hollow concave tubular shape, and one inward end of the first rear cover and one inward end of the second rear cover are closed.
5. A fire transmitting attachment for a blasting charge according to claim 4, wherein: the front cover (2) of the tube B (10) is in a protruding tubular shape, the front end of the front cover is closed, and the front cover (2) is inserted into the first rear cover (11) of the tube A (9).
6. A fire transmitting attachment for a blasting charge according to claim 5, wherein: the front cover (2) and the rear cover I (11) are connected through a clamping tenon or a thread, and the clamping tenon is a direct insertion type clamping tenon or a kink type clamping tenon.
7. A fire transmitting attachment for a blasting charge according to claim 5, wherein: the length of the convex tubular part of the front cover (2) is shorter than that of the concave tubular part of the first rear cover (11), and after the front cover (2) is tightly assembled with the first rear cover (11), a cavity (3) is formed between the convex tubular part and the concave tubular part.
8. A fire transmitting attachment for a blasting engineering charge according to any one of claims 1 to 7, wherein: the number of the B pipes (10) is at least two, and the B pipes are sequentially connected end to end, wherein the front cover (2) of one B pipe (10) is inserted into the second rear cover (12) of the adjacent B pipe (10).
9. A fire transmitting attachment for a blasting charge according to claim 8, wherein: the front cover (2) and the rear cover II (12) are connected by adopting a clamping tenon or a thread, and the clamping tenon is in a direct insertion type clamping tenon or a kink type clamping tenon.
10. A fire transmitting attachment for a blasting charge according to claim 9, wherein: the length of the protruding tubular part of the front cover (2) is shorter than that of the recessed tubular part of the second rear cover (12), and after the front cover (2) and the second rear cover (12) are tightly assembled, a cavity (3) is formed between the protruding tubular part and the recessed tubular part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487820.3U CN216523459U (en) | 2021-03-07 | 2021-03-07 | Fire transmission connecting structure for explosive loading of blasting engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120487820.3U CN216523459U (en) | 2021-03-07 | 2021-03-07 | Fire transmission connecting structure for explosive loading of blasting engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216523459U true CN216523459U (en) | 2022-05-13 |
Family
ID=81461906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120487820.3U Active CN216523459U (en) | 2021-03-07 | 2021-03-07 | Fire transmission connecting structure for explosive loading of blasting engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523459U (en) |
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2021
- 2021-03-07 CN CN202120487820.3U patent/CN216523459U/en active Active
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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 |