CN210922377U - Tunnel blasting all around hole charging means - Google Patents
Tunnel blasting all around hole charging means Download PDFInfo
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- CN210922377U CN210922377U CN201921353436.3U CN201921353436U CN210922377U CN 210922377 U CN210922377 U CN 210922377U CN 201921353436 U CN201921353436 U CN 201921353436U CN 210922377 U CN210922377 U CN 210922377U
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- tube body
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- blasting
- water bag
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Abstract
The utility model discloses a tunnel blasting periphery hole charging means, the blasting body comprises upper tube body and lower tube body, the front end of upper tube body is equipped with the upper direction head, and the rear end is equipped with the upper seal cover, the front end of lower tube body is equipped with down the direction head, and the rear end is equipped with down the seal cover, one side of upper tube body rotates with lower tube body one side and is connected, the bottom wall transverse direction of lower tube body is equipped with the explosive installation district and water bag installation district, explosive installation district and water bag installation district interval set up, be equipped with the explosive locating hole with explosive locating groove looks adaptation on the lower seal cover; the utility model has the advantages that the explosive mounting areas and the water bag mounting areas are arranged at intervals, so that the explosive blasting energy of peripheral holes can be accurately and uniformly distributed, blasting overbreak can be accurately controlled, and the construction efficiency is improved; and after the water bags in the water bag mounting areas arranged at intervals are exploded, water in blast holes generates atomization, the dust concentration in the tunnel is reduced, the construction environment is improved, and the health of construction operators is protected.
Description
Technical Field
The utility model belongs to the technical field of the tunnel blasting construction, concretely relates to tunnel blasting all sides hole charging means.
Background
The tunnel all edges are the light blast holes that the round of laying along the tunnel face contour line is used for controlling tunnel excavation, its charge structure is directly influencing the control that the tunnel surpassed undermining, traditional all edges generally adopt hole bottom continuous charge or simple and easy bamboo chip ligature interval charge, when blasting because hole bottom charge is concentrated, can't the equipartition explosive energy during blasting, cause the hole bottom to surpass to dig seriously, there is "hanging mouthful" undermining phenomenon in the drill way position, and when adopting simple and easy bamboo chip to connect, because ligature difficulty and construction are loaded down with trivial details, the construction is slow and the phenomenon of refusing to explode is serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel blasting all sides hole charging means to because the powder charge is concentrated when solving among the prior art blasting, the unable equipartition explosive energy after the blasting causes the hole bottom to surpass to dig seriously, and there is the problem of hanging a mouthful undermining drill way position.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a tunnel blasting all around eye charging means, includes the blasting body, the blasting body comprises upper tube body and lower body, the front end of upper tube body is equipped with the direction head, and the rear end is equipped with the upper seal cover, the front end of lower body is equipped with down the direction head, and the rear end is equipped with down the seal cover, one side of upper tube body and lower body one side rotate to be connected, the diapire transverse direction of lower body is equipped with the explosive cord constant head tank, the lateral wall longitudinal direction of lower body is equipped with explosive installation area and water bag installation area, explosive installation area and water bag installation area interval set up, be equipped with the explosive cord locating hole with explosive cord constant head tank looks adaptation on the lower seal cover.
Further, a spacing groove is formed between the explosive mounting area and the water bag mounting area.
Further, the length of the explosive mounting area is smaller than that of the water bag mounting area.
Furthermore, explosive mounting areas are arranged at two ends of the blasting tube body.
Further, the upper guide head, the upper closing cover and the upper pipe body are integrally formed.
Further, the lower guide head, the lower closing cap and the lower pipe body are integrally formed.
Furthermore, the upper guide head and the lower guide head are both semi-conical bodies.
The utility model has the advantages that: by arranging the explosive mounting area and the water bag mounting area at intervals, explosive blasting energy can be uniformly distributed, overbreak is accurately controlled, and the construction efficiency is improved; and after the water bags in the water bag mounting areas arranged at intervals are exploded, water in blast holes generates atomization, the dust concentration in the tunnel is reduced, the construction environment is improved, and the health of construction operators is protected.
Drawings
FIG. 1 is a charge device for the peripheral holes of tunnel blasting of the present invention;
fig. 2 is a usage state diagram of the charging device for the peripheral holes in tunnel blasting.
In the figure: 1. blasting the pipe body; 2. a pipe body is arranged; 21. an upper guide head; 22. an upper closure cap; 3. a lower pipe body; 31. a lower guide head; 32. a lower closure cap; 4. a detonating cord locating slot; 5. positioning holes for the detonating cord; 6. a detonating cord; 7. an explosive installation area; 8. a water bag mounting area; 9. a spacing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a tunnel blasting surrounding hole charging device, wherein a blasting tube body 1 is composed of an upper tube body 2 and a lower tube body 3, an upper guide head 21 is arranged at the front end of the upper tube body 2, an upper closing cover 22 is arranged at the rear end of the upper tube body 2, a lower guide head 31 is arranged at the front end of the lower tube body 3, a lower closing cover 32 is arranged at the rear end of the lower tube body 3, one side of the upper tube body 2 is rotatably connected with one side of the lower tube body 3, an detonating cord positioning groove 4 is arranged in the transverse direction of the bottom wall of the lower tube body 3, an explosive mounting area 7 and a water bag mounting area 8 are arranged in the longitudinal direction of the side wall of the lower tube body 3, the explosive mounting area 7 and the water bag mounting area 8 are arranged at intervals, an interval groove is arranged between the explosive mounting area 7 and the water bag mounting area 8 to further stabilize the installation of the explosive and the water bag, a detonating, The lower guide heads 31 are all semi-conical bodies, and form a conical body after combination, so that the blasting tube body 1 can be conveniently placed into a blast hole.
The length of the explosive mounting area 7 is smaller than that of the water bag mounting area 8, and dust fall and energy transmission are further achieved.
The two ends of the blasting tube body 1 are provided with explosive mounting areas 7, the utilization rate of explosive blasting energy at the bottom of the blast hole can be effectively improved, blasting energy can be reasonably and uniformly distributed, and overbreak is controlled.
The upper guide head 21, the upper closing head 22 and the upper pipe body 2 are integrally formed, the lower guide head 31, the lower closing cover 32 and the lower pipe body 3 are integrally formed, and a PVC blow molding machine is adopted for one-time blow molding during processing, so that the use is convenient, and the processing procedure is simple and convenient.
When the explosive-proof blasting explosion-proof device is used, firstly, the detonating cord 6 is fixed by the detonating cord positioning groove 4 and penetrates through the detonating cord positioning hole on the lower sealing cover 32 to be led out, then, the explosive and the water bag are respectively placed into the explosive mounting area 7 and the water bag mounting area 8 in the lower pipe body 3 according to design parameters, and after the explosive and the water bag are filled, the upper pipe body 2 and the lower pipe body 3 are combined and connected into a whole to be placed into the blasting holes of the peripheral holes for blasting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tunnel blasting all sides hole charging means, includes the blasting body, its characterized in that: the blasting tube body (1) is composed of an upper tube body (2) and a lower tube body (3), an upper guide head (21) is arranged at the front end of the upper tube body (2), an upper sealing cover (22) is arranged at the rear end of the upper tube body, a lower guide head (31) is arranged at the front end of the lower tube body (3), a lower sealing cover (32) is arranged at the rear end of the lower tube body, one side of the upper tube body (2) is rotatably connected with one side of the lower tube body (3), an explosive fuse positioning groove (4) is arranged in the transverse direction of the bottom wall of the lower tube body (3), an explosive mounting area (7) and a water bag mounting area (8) are arranged in the longitudinal direction of the side wall of the lower tube body (3), the explosive mounting area (7) and the water bag mounting area (8) are arranged at intervals, and an explosive fuse positioning hole (5) matched with the explosive fuse.
2. A tunnel blasting peripheral eye charge in accordance with claim 1, wherein: and a spacing groove (9) is arranged between the explosive mounting area (7) and the water bag mounting area (8).
3. A tunnel blasting peripheral eye charge in accordance with claim 1 or 2, wherein: the length of the explosive mounting area (7) is smaller than that of the water bag mounting area (8).
4. A tunnel blasting peripheral eye charge in accordance with claim 1 or 2, wherein: and explosive mounting areas (7) are arranged at two ends of the blasting tube body (1).
5. A tunnel blasting peripheral eye charge in accordance with claim 1 or 2, wherein: the upper guide head (21), the upper closing cover (22) and the upper pipe body (2) are integrally formed.
6. A tunnel blasting peripheral eye charge in accordance with claim 1 or 2, wherein: the lower guide head (31), the lower sealing cover (32) and the lower pipe body (3) are integrally formed.
7. A tunnel blasting peripheral eye charge in accordance with claim 1 or 2, wherein: the upper guide head (21) and the lower guide head (31) are semi-conical bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353436.3U CN210922377U (en) | 2019-08-20 | 2019-08-20 | Tunnel blasting all around hole charging means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353436.3U CN210922377U (en) | 2019-08-20 | 2019-08-20 | Tunnel blasting all around hole charging means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210922377U true CN210922377U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921353436.3U Active CN210922377U (en) | 2019-08-20 | 2019-08-20 | Tunnel blasting all around hole charging means |
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| Country | Link |
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| CN (1) | CN210922377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895871A (en) * | 2020-08-20 | 2020-11-06 | 阳泉煤业（集团）有限责任公司 | Medium-depth blast hole charging device and method |
| CN112378299A (en) * | 2020-09-28 | 2021-02-19 | 中铁二局集团有限公司 | Tunnel blasting excavation construction method |
| CN113202509A (en) * | 2021-05-07 | 2021-08-03 | 中交一公局集团有限公司 | Construction process for complex tunnel foundation treatment |
| CN113834395A (en) * | 2021-08-24 | 2021-12-24 | 北京市市政一建设工程有限责任公司 | Tunnel section blasting structure and blasting method |
-
2019
- 2019-08-20 CN CN201921353436.3U patent/CN210922377U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895871A (en) * | 2020-08-20 | 2020-11-06 | 阳泉煤业（集团）有限责任公司 | Medium-depth blast hole charging device and method |
| CN112378299A (en) * | 2020-09-28 | 2021-02-19 | 中铁二局集团有限公司 | Tunnel blasting excavation construction method |
| CN113202509A (en) * | 2021-05-07 | 2021-08-03 | 中交一公局集团有限公司 | Construction process for complex tunnel foundation treatment |
| CN113834395A (en) * | 2021-08-24 | 2021-12-24 | 北京市市政一建设工程有限责任公司 | Tunnel section blasting structure and blasting method |
| CN113834395B (en) * | 2021-08-24 | 2023-03-03 | 北京市市政一建设工程有限责任公司 | Tunnel section blasting structure and blasting method |
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