CN216081189U - Blast hole protective structure - Google Patents
Blast hole protective structure Download PDFInfo
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- CN216081189U CN216081189U CN202122066535.7U CN202122066535U CN216081189U CN 216081189 U CN216081189 U CN 216081189U CN 202122066535 U CN202122066535 U CN 202122066535U CN 216081189 U CN216081189 U CN 216081189U
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- blast hole
- protection network
- explosive
- blasting
- protective structure
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Abstract
The utility model discloses a blast hole protection structure, which comprises: lay the flexible protection network on the construction massif, the protection network is made for flexible rubber net more than two-layer, and the protection network covers the drill way that is located the blast hole in the construction massif, between the top in blast hole and protection network lower part, installs the protruding support piece that presents protruding state to the protection network jack-up that is located the blast hole top. When the protection network that produces debris and roll and fall to blast hole top near, because the protection network presents protruding state by the jack-up, make debris can't roll and fall to blast hole top position, after detonating, debris only can vibrate on the protection network around the blast hole, and can not be impacted by the explosive force and produce and splash, because the protection network presents protruding state by the jack-up, need not clear up a plurality of blast hole top position protection networks by the manual work before the blasting, and the labor intensity is reduced, the problem that present debris can be splashed and increase labor intensity by the explosion is solved.
Description
Technical Field
The utility model relates to a blast hole protection structure, and belongs to the technical field of blast protection.
Background
When a mine is excavated, the rapid excavation of the mine cannot be realized by using engineering equipment such as an excavator, the mine needs to be firstly blasted to enable a mountain to generate cracks and loosen, and then the rapid excavation is performed by using engineering equipment such as the excavator; when blasting the mine, in order to realize safe, green construction, need protect the blast hole drill way, appear the flyrock when avoiding blasting.
A controlled blasting protection device disclosed in Chinese patent publication No. CN203037157U discloses a regular rubber net made of rubber leather strips by overlapping and cross-weaving to protect blasting holes from flying stones, although the rubber net can play a role of protecting the flying stones generated during blasting, after the rubber net is laid on a construction site, under the action of natural environment strong wind and the like, sundries generated on the construction site roll down and are collected on the rubber net at the top of the blasting holes, and after blasting, the sundries can be blasted and splashed; after the rubber leather net is laid, sundries on the top of the rubber leather net at the blasting hole are manually cleaned, and due to the fact that the number of the blasting holes is large, labor intensity is increased, and omission can be generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a blast hole protection structure.
The utility model is realized by the following technical scheme.
The utility model provides a blast hole protection structure, which comprises:
lay the flexible protection network on the construction massif, the protection network is made for flexible rubber net more than two-layer, and the protection network covers the drill way that is located the blast hole in the construction massif, between the top in blast hole and protection network lower part, installs the protruding support piece that presents protruding state to the protection network jack-up that is located the blast hole top.
The raised support piece jacks the protective net to be in a circular arc raised state, so that sundries can be collected from the circular arc raised of the protective net to two sides, and the top near the blast hole can be avoided.
The raised support part adopts a water bag or an air bag supported by rubber.
The raised support may also be a water bag or bladder made of a thick skin balloon.
After blasting, the fine stone near the blasting hole can break the convex supporting piece to enable water or air to be released and shriveled, the situation that the convex supporting piece made of rigid materials is vibrated or broken to puncture the protective net to splash can be avoided, and the construction safety is improved.
And explosive for blasting is arranged in the blasting hole, and a plugging layer is arranged at the top of the explosive.
The plugging layer material uses clay or sand plus clay.
The explosive is an emulsion explosive.
Install the detonator in the explosive, the detonator is connected with the lead wire, and the lead wire runs through explosive, plugging layer, protruding support piece, protection network and extends to the external world, is convenient for make the explosive explosion blast the construction massif through lead wire detonation detonator.
The utility model has the beneficial effects that: when the protection network that produces debris and roll and fall to blast hole top near, because the protection network presents protruding state by the jack-up, make debris can't roll and fall to blast hole top position, after detonating, debris only can vibrate on the protection network around the blast hole, and can not be impacted by the explosive force and produce and splash, because the protection network presents protruding state by the jack-up, need not clear up a plurality of blast hole top position protection networks by the manual work before the blasting, and the labor intensity is reduced, the problem that present debris can be splashed and increase labor intensity by the explosion is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 11-constructing a mountain; 12-blast holes; 21-a protective net; 22-raised support members; 23-an explosive; 24-a blocking layer; 25-a lead; 26-detonator.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1.
The utility model relates to a blast hole protection structure, which comprises:
the flexible protective net 21 is laid on the construction mountain 11, the protective net 21 is made of more than two layers of flexible rubber nets, the protective net 21 covers the hole opening of the blast hole 12 in the construction mountain 11, and a protruding support piece 22 which is used for jacking the protective net 21 at the top of the blast hole 12 and is in a protruding state is arranged between the top of the blast hole 12 and the lower portion of the protective net 21.
After the protection net 21 is installed, the protruding support piece 22 jacks up the protection net 21 to be in a protruding state, when sundries roll to be near the protection net 21 at the top of the blast hole 12, the protection net 21 is jacked up to be in a protruding state, so that the sundries cannot roll to be in the top of the blast hole 12, after detonation, the sundries only vibrate on the protection net 21 around the blast hole 12 and cannot be splashed due to blast force impact, the protection net 21 is jacked up to be in a protruding state, the protection net 21 at the top of the blast hole 12 does not need to be manually cleaned before blasting, the labor intensity is reduced, and the problems that the sundries can be splashed by explosion and the labor intensity is increased are solved.
The raised support 22 is raised up from the protection net 21 to present a circular arc raised state, which is more beneficial for sundries to gather from the circular arc raised up from the protection net 21 to two sides, and the top near the blast hole 12 is not existed.
The convex support part 22 is a water bag or an air bag supported by rubber, the convex support part 22 can also be a water bag or an air bag made of a thick-skin balloon, after blasting, a fine stone near the blasting hole 12 can burst the convex support part 22 to enable water or air to be released and shriveled, the situation that the convex support part 22 made of a rigid material is vibrated or broken to puncture the protective screen 21 to splash can be avoided, and the construction safety is improved.
The explosive 23 for blasting is arranged in the blasting hole 12, the explosive 23 is emulsion explosive, and the top of the explosive 23 is provided with a plugging layer 24; the plugging layer 24 is made of clay or sand and clay.
A detonator 26 is installed in the explosive 23, the detonator 26 is connected with a lead 25, the lead 25 penetrates through the explosive 23, the plugging layer 24, the protruding support member 22 and the protective net 21 and extends to the outside, and the detonator 26 is conveniently detonated through the lead 25 so that the explosive 23 explodes to blast the construction mountain body 11.
Claims (8)
1. A blast hole protective structure, comprising:
the flexible protective net (21) is laid on the construction mountain body (11), the protective net (21) covers the hole opening of the blasting hole (12) in the construction mountain body (11), and a protruding support piece (22) which is used for jacking the protective net (21) at the top of the blasting hole (12) to be in a protruding state is arranged between the top of the blasting hole (12) and the lower part of the protective net (21).
2. The blast hole protective structure according to claim 1, wherein: the protective net (21) is made of more than two layers of flexible rubber nets.
3. The blast hole protective structure according to claim 1, wherein: the convex support (22) jacks up the protective net (21) to form a circular arc convex state.
4. The blast hole protective structure according to claim 3, wherein: the raised support (22) is a water bag or an air bag supported by rubber.
5. The blast hole protective structure according to claim 3, wherein: the raised support (22) is a water bag or bladder made of a thick skin balloon.
6. The blast hole protective structure according to claim 1 or 3, wherein: explosive (23) for blasting is installed in the blasting hole (12), and a plugging layer (24) is arranged at the top of the explosive (23).
7. The blast hole protective structure according to claim 6, wherein: the explosive (23) is an emulsion explosive.
8. The blast hole protective structure according to claim 7, wherein: install detonator (26) in explosive (23), detonator (26) are connected with lead wire (25), and lead wire (25) run through explosive (23), blocking layer (24), protruding support piece (22), protection network (21) and extend to the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066535.7U CN216081189U (en) | 2021-08-30 | 2021-08-30 | Blast hole protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066535.7U CN216081189U (en) | 2021-08-30 | 2021-08-30 | Blast hole protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216081189U true CN216081189U (en) | 2022-03-18 |
Family
ID=80673101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122066535.7U Active CN216081189U (en) | 2021-08-30 | 2021-08-30 | Blast hole protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216081189U (en) |
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2021
- 2021-08-30 CN CN202122066535.7U patent/CN216081189U/en active Active
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