CN209745135U - Tunnel excavation device - Google Patents
Tunnel excavation device Download PDFInfo
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- CN209745135U CN209745135U CN201821983000.8U CN201821983000U CN209745135U CN 209745135 U CN209745135 U CN 209745135U CN 201821983000 U CN201821983000 U CN 201821983000U CN 209745135 U CN209745135 U CN 209745135U
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- accommodating cavity
- explosion
- opening
- undercut
- tunnel excavation
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Abstract
The utility model provides a tunnel excavation device belongs to engineering construction field. The tunnel excavation device includes: the explosion unit is arranged in a plurality of numbers, and the explosion units are arranged at intervals; the explosive unit comprises a wrapping piece, an accommodating cavity is arranged in the wrapping piece, an opening is formed in one end of the accommodating cavity, the other end of the accommodating cavity is a sealing end, a detonator is accommodated in one end, close to the sealing end, of the accommodating cavity, a detonating cord is accommodated in one end, close to the opening, of the accommodating cavity, and a cartridge is accommodated in the middle of the accommodating cavity; the explosion unit also comprises a plugging piece which plugs the opening; the explosion unit also comprises a booster tube, one end of the booster tube extends out of the wrapping piece, and the other end of the booster tube is connected with the detonating cord. This kind of tunnel excavation device can save time at the job site, and when using, only need place the explosion unit in the plunge cut big gun hole, later the booster pipe is laid, carries out the shutoff to the plunge cut big gun hole again can.
Description
Technical Field
The utility model relates to an engineering construction field particularly, relates to a tunnel excavation device.
Background
For the excavation of tunnel, need use blasting construction in a large number, to the use of explosion unit among the prior art, utilize the detonator to place in the medicine eye on the rock wall usually, then also place the explosive in the medicine eye, block the medicine eye after laying detonating cord, this kind of mode construction is slow, influences the engineering progress.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tunnel excavation device aims at solving the above-mentioned problem that tunnel excavation device exists among the prior art.
The utility model discloses a realize like this:
A tunnel excavation apparatus comprising:
The explosion unit is arranged in a plurality of numbers, and the explosion units are arranged at intervals;
The explosive unit comprises a wrapping piece, an accommodating cavity is arranged in the wrapping piece, an opening is formed in one end of the accommodating cavity, a sealing end is arranged at the other end of the accommodating cavity, a detonator is accommodated in one end, close to the sealing end, of the accommodating cavity, a detonating cord is accommodated in one end, close to the opening, of the accommodating cavity, and a explosive cartridge is accommodated in the middle of the accommodating cavity;
the explosion unit further comprises a blocking piece, and the blocking piece blocks the opening;
the explosion unit further comprises a booster, one end of the booster extends out of the wrapping piece, and the other end of the booster is connected with the detonating cord.
In a preferred embodiment of the present invention, the wrapping member is made of bamboo.
in a preferred embodiment of the present invention, the plugging member is stemming.
In a preferred embodiment of the invention, the detonator is connected to the detonating cord.
In the preferred embodiment of the present invention, the explosion unit is arranged in a plurality of undercut blastholes, and the interval between the undercut blastholes is arranged in a plurality of undercut blastholes.
In a preferred embodiment of the present invention, each of the plurality of undercut blastholes is provided with one of the plurality of explosion units.
In a preferred embodiment of the present invention, the cross section of the undercut blastholes perpendicular to the depth direction thereof is configured as an isosceles triangle.
In a preferred embodiment of the present invention, the area of the cross section of the undercut blast hole perpendicular to the depth direction thereof at a position close to the opening is larger than the area far away from the opening.
In a preferred embodiment of the present invention, the cross-sectional area of the undercut blast hole perpendicular to the depth direction thereof is reduced in stages along the depth direction thereof.
In a preferred embodiment of the present invention, the detonation tubes of the plurality of detonation units are connected to each other.
The utility model has the advantages that:
The utility model discloses a tunnel excavation device that above-mentioned design obtained, when using, because detonator, cartridge and detonating cord all set up the intracavity that holds on the parcel piece to when needs use, can produce in batches, can save time at the job site, when using, only need place the unit that explodes in drawing a groove big gun hole, later biography blasting is laid, again to drawing a groove big gun hole carry out the shutoff can.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an explosion unit in a tunnel excavation device according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a cut blast hole in a tunnel excavation device according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a tunnel excavation device provided by the embodiment of the present invention.
icon: 1-a detonator; 2-a wrapper; 3-medicated roll; 4-detonating cord; 5-plugging piece; 6-booster tube; 7-cutting blast holes.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
example one
The present embodiment provides a tunnel excavation apparatus, referring to fig. 1, fig. 2 and fig. 3, the tunnel excavation apparatus includes:
The explosion unit is arranged in a plurality of numbers, and the explosion units are arranged at intervals;
The explosion unit comprises a wrapping piece 2, a containing cavity is arranged in the wrapping piece 2, an opening is formed in one end of the containing cavity, the other end of the containing cavity is a sealing end, a detonator 1 is contained in one end, close to the sealing end, of the containing cavity, a detonating cord 4 is contained in one end, close to the opening, of the containing cavity, and a cartridge 3 is contained in the middle of the containing cavity;
The explosion unit further comprises a plugging piece 5, and the opening is plugged by the plugging piece 5;
the explosion unit also comprises a booster 6, one end of the booster 6 extends out of the wrapping element 2, and the other end of the booster 6 is connected with the detonating cord 4.
When using, because detonator 1, cartridge 3 and detonating cord 4 all set up the intracavity that holds on parcel piece 2 to when needs use, can produce in batches, can save time at the job site, when using, only need place the unit of exploding in undercut big gun hole 7, later booster pipe 6 lays, carries out the shutoff to undercut big gun hole 7 again can.
Optionally, in this embodiment, the wrapping member 2 is made of bamboo chips.
The wrapping piece 2 made of bamboo chips is convenient to obtain materials, adverse effects on the explosion effect can not be caused in the explosion process, one end with bamboo joints on the bamboo can be used as a plugging end, and the production and the manufacture are convenient.
Optionally, in this embodiment, the plugging member 5 is stemming.
The stemming is utilized for plugging and can be well combined with bamboo chips, thereby realizing good plugging effect,
Optionally, in this embodiment, the detonator 1 is connected to the detonating cord 4.
The detonator 1 and the detonating cord 4 are connected together, so that the detonator 1 can be rapidly detonated, and the precision of the detonation time is improved.
optionally, in this embodiment, the explosion unit is configured to cut the blast hole 7, the cut blast holes 7 are provided in a plurality, and the plurality of cut blast holes 7 are spaced apart from each other.
Disposed within the undercut blastholes 7, the explosive units can be arranged according to the arrangement of the undercut blastholes 7.
Optionally, in this embodiment, one explosion unit is disposed in each undercut blasthole 7.
placing an explosive unit in each undercut blasthole 7 allows a better release of the explosive effect of the explosive unit.
Alternatively, in the present embodiment, the cross section of the undercut blasthole 7 perpendicular to the depth direction thereof is provided as an isosceles triangle.
The section is set to isosceles triangle's undermined big gun hole 7, in the time of the explosion, can have better explosion effect.
Alternatively, in the present embodiment, the area of the cross section of the undercut blast hole 7 in the direction perpendicular to the depth thereof at a position close to the opening is larger than the area at a position away from the opening.
The undercut blasthole 7 is open, so that the undercut blasthole has larger breaking force during explosion and improves the explosion effect.
Alternatively, in the present embodiment, the sectional area of the undercut blast hole 7 perpendicular to the depth direction thereof is reduced in stages in the depth direction thereof.
The design of reducing the cut blast holes 7 in sections can facilitate the cutting work.
Alternatively, in the present embodiment, a plurality of squibs 6 on a plurality of explosive units are connected to each other.
the plurality of explosion units connected with each other can be detonated simultaneously by controlling the length of the booster 6.
The operating principle of the tunnel excavation device that this embodiment provided is, when using, because detonator 1, cartridge 3 and detonating cord 4 all set up the intracavity that holds on parcel piece 2 to when needs use, can produce in batches, can save time at the job site, when using, only need place the explosion unit in undercut big gun hole 7, later booster pipe 6 is laid, again to undercut big gun hole 7 carry out the shutoff can.
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 (10)
1. A tunnel excavation apparatus, comprising:
The explosion unit is arranged in a plurality of numbers, and the explosion units are arranged at intervals;
The explosive unit comprises a wrapping piece, an accommodating cavity is arranged in the wrapping piece, an opening is formed in one end of the accommodating cavity, a sealing end is arranged at the other end of the accommodating cavity, a detonator is accommodated in one end, close to the sealing end, of the accommodating cavity, a detonating cord is accommodated in one end, close to the opening, of the accommodating cavity, and a explosive cartridge is accommodated in the middle of the accommodating cavity;
The explosion unit further comprises a blocking piece, and the blocking piece blocks the opening;
the explosion unit further comprises a booster, one end of the booster extends out of the wrapping piece, and the other end of the booster is connected with the detonating cord.
2. the tunneling apparatus of claim 1, wherein the wrapping member is made of bamboo.
3. The tunneling apparatus of claim 1, wherein the block piece is stemming.
4. the tunneling apparatus of claim 1, wherein the detonator and the detonating cord are connected.
5. The tunnel excavation apparatus according to claim 1, wherein the explosive unit is provided in a plurality of undercut blastholes spaced apart from each other.
6. tunnel excavation apparatus according to claim 5, wherein one said explosive unit is disposed within each said undercut blasthole.
7. the tunneling apparatus of claim 5, wherein the cross-sections of the undercut blastholes perpendicular to the depth direction thereof are arranged as isosceles triangles.
8. The tunneling apparatus of claim 7, wherein the area of the cross-section of the undercut blasthole perpendicular to the depth thereof at a location proximate to the opening is greater than the area thereof at a location remote from the opening.
9. the tunneling apparatus of claim 8, wherein the cross-sectional area of the undercut blastholes perpendicular to the depth direction thereof decreases in stages along the depth direction thereof.
10. The tunneling apparatus of claim 1, wherein the plurality of booster tubes of a plurality of the explosive units are interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983000.8U CN209745135U (en) | 2018-11-28 | 2018-11-28 | Tunnel excavation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983000.8U CN209745135U (en) | 2018-11-28 | 2018-11-28 | Tunnel excavation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745135U true CN209745135U (en) | 2019-12-06 |
Family
ID=68700362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821983000.8U Active CN209745135U (en) | 2018-11-28 | 2018-11-28 | Tunnel excavation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745135U (en) |
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2018
- 2018-11-28 CN CN201821983000.8U patent/CN209745135U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200509 Address after: 518000 shop on the second and third floor of jintaoyuan building, No. 193, Taoyuan Road, Nantou street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: China Construction Fourth Bureau Civil Engineering Co.,Ltd. Address before: 510000, Guangzhou, Guangdong, Tianhe District Province Yun Road, No. 16, B, building 5 floor Patentee before: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION Co.,Ltd. |