CN210321456U - Orifice protector for open pit mine blasthole - Google Patents
Orifice protector for open pit mine blasthole Download PDFInfo
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- CN210321456U CN210321456U CN201921283334.9U CN201921283334U CN210321456U CN 210321456 U CN210321456 U CN 210321456U CN 201921283334 U CN201921283334 U CN 201921283334U CN 210321456 U CN210321456 U CN 210321456U
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- orifice
- protector
- blasthole
- isolation
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Abstract
The utility model discloses an orifice protector especially discloses an orifice protector for opencut mountain big gun eye hole, belongs to mining technology and equips the manufacturing and designing technical field. The orifice protector for the open pit mine blasthole can effectively prevent sundries such as fine slag around the orifice from entering the blasthole. The orifice protector comprises a fixed component and a protective isolation component, wherein the protective isolation component is detachably and fixedly arranged at the top of the fixed component; in the process of protecting the orifice, the orifice protector is arranged at the top of the blasthole to be protected through the fixing assembly, and slag at the periphery of the orifice is separated from the blasthole through the protecting and isolating assembly.
Description
Technical Field
The utility model relates to an orifice protector especially relates to an orifice protector that is used for opencut mountain big gun eye hole, belongs to mining technology and equips the manufacturing and designing technical field.
Background
At present, after the medium-length hole in a mining site of a surface mine is perforated, no protective measures are taken at an orifice section, and only fine slag in a range of 20 centimeters around the orifice is removed, so that a good protective effect cannot be achieved. According to field observation, the following problems exist when no protective measures are taken on the orifice section currently: firstly, in rainy season, fine slag penetrated and chiseled around the orifice is brought into the hole by the washing of rainwater and surrounding running water, so that the hole depth is insufficient, the hole or through hole needs to be repaired again, and the perforation cost is increased; and during dry seasons, the fine slag around the hole opening is dry and the hole opening is not protected, the dry fine slag around the hole opening is easy to collapse and fall into the hole due to vibration or wind blowing, the hole depth is insufficient, and the hole needs to be perforated again or repaired, so that the perforation cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the orifice protector for the open pit mine blasthole can effectively prevent sundries such as fine slag around the orifice from entering the blasthole.
The technical scheme adopted for solving the technical problems is as follows: an orifice protector for an open pit mine blasthole comprises a fixing component and a protection and isolation component, wherein the protection and isolation component is detachably and fixedly arranged at the top of the fixing component; in the process of protecting the orifice, the orifice protector is arranged at the top of the blasthole to be protected through the fixing assembly, and slag at the periphery of the orifice is separated from the blasthole through the protecting and isolating assembly.
Further, the orifice protector further comprises a sealing plug packing sleeve, and gaps between the fixing component and the protection isolation component and the blasthole are filled through the sealing plug packing sleeve.
The preferable mode of the scheme is that the sealing plug filling sleeve is a fine slag filling sleeve layer.
Furthermore, the fixed component is a hollow thin-wall cylinder with the diameter matched with the inner diameter of the blast hole, and the protective isolation component is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick connection structure.
The preferable mode of the scheme is that the hollow thin-wall cylinder is made of a PVC thin-wall pipe.
Furthermore, the protection isolation assembly is a circular isolation sealing plate, the inner diameter of the circular isolation sealing plate is matched with the outer diameter of the hollow thin-wall cylinder, the outer diameter of the circular isolation sealing plate is not less than 2.5 times of the inner diameter of the circular isolation sealing plate, and the circular isolation sealing plate is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick connection structure.
The preferable mode of the scheme is that the circular ring-shaped isolation sealing plate is made of a PVC thin plate.
Furthermore, the quick connection structure is at least two bosses arranged on the outer side wall of the top of the hollow thin-wall cylinder, and the bosses are uniformly distributed along the circumference of the hollow thin-wall cylinder.
Further, the diameter of a circle formed by the bosses uniformly distributed along the circumferential direction of the hollow thin-wall cylinder is 2-3 mm larger than the inner diameter of the annular isolation sealing plate.
The utility model has the advantages that: the application is through setting up a set of orifice protector including fixed subassembly and protection isolation component, and will protection isolation component detachable adorn admittedly the top of fixed subassembly. Then in the process of protecting the orifice, the orifice protector is arranged on the top of the borehole hole to be protected through the fixing component, so that the aim of isolating slag around the orifice from the borehole hole through the protection isolating component is fulfilled in work. Like this, because the porthole hole after the pore-forming is treating the in-process of depositing that uses, owing to have this application protection isolation assembly to its drill way position keep apart the protection, and then can effectively avoid debris such as thin sediment around the drill way to get into the porthole, avoid appearing the porthole hole not enough phenomenon because of the entering of thin sediment to avoid perforating again or mend the emergence of hole operation, reach the purpose of effective control cost of boring.
Drawings
Fig. 1 is a schematic structural view of the orifice protector for the open pit mine blasthole of the present invention;
fig. 2 is a schematic diagram of arranging the orifice protector of the present invention to a blasthole orifice.
Labeled as: the device comprises a fixing component 1, a protective isolation component 2, a blast hole 3 and a sealing plug filling ring sleeve 4.
Detailed Description
As shown in figures 1 and 2, the utility model provides a hole opening protector for a surface mine hole, which can effectively prevent sundries such as fine slag around the hole opening from entering the hole opening. The orifice protector comprises a fixed component 1 and a protective isolation component 2, wherein the protective isolation component 2 is detachably and fixedly arranged at the top of the fixed component 1; in the process of protecting the orifice, the orifice protector is arranged at the top of the blasthole 3 to be protected through the fixing component 1, and slag on the periphery of the orifice is isolated from the blasthole 3 through the protecting and isolating component 2. The application is through setting up a set of orifice protector including fixed subassembly and protection isolation component, and will protection isolation component detachable adorn admittedly the top of fixed subassembly. Then in the process of protecting the orifice, the orifice protector is arranged on the top of the borehole hole to be protected through the fixing component, so that the aim of isolating slag around the orifice from the borehole hole through the protection isolating component is fulfilled in work. Like this, because the porthole hole after the pore-forming is treating the in-process of depositing that uses, owing to have this application protection isolation assembly to its drill way position keep apart the protection, and then can effectively avoid debris such as thin sediment around the drill way to get into the porthole, avoid appearing the porthole hole not enough phenomenon because of the entering of thin sediment to avoid perforating again or mend the emergence of hole operation, reach the purpose of effective control cost of boring.
In the above embodiment, in order to meet the requirements of multiple blasthole holes and the requirements of manufacturing structure and manufacturing cost, the fixing component 1 is a hollow thin-wall cylinder with a diameter matched with the inner diameter of the blasthole hole, and the protective isolation component 2 is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick-connection structure; the protection isolation assembly 2 is set to be a circular isolation seal plate, the inner diameter of the circular isolation seal plate is matched with the outer diameter of the hollow thin-wall cylinder, the outer diameter of the circular isolation seal plate is not less than 2.5 times of the inner diameter of the circular isolation seal plate, and the circular isolation seal plate is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick connection structure. Correspondingly, from the aspects of cost and manufacturing convenience, the hollow thin-wall cylinder and the annular isolating sealing plate are both made of PVC thin-wall pipes. And for the convenience of use, this application will connect the structure soon set up to follow the circumference equipartition of hollow thin-walled cylinder is in at least two bosss on the lateral wall of hollow thin-walled cylinder top. At the moment, the diameter of a circle formed by the bosses uniformly distributed along the circumferential direction of the hollow thin-wall cylinder is 2-3 mm larger than the inner diameter of the annular isolation sealing plate.
Further, in order to improve the protection effect, the orifice protector further comprises a sealing plug packing sleeve 4, and the gap between the fixing component 1 and the protection isolation component 2 and the blasthole hole 3 is filled through the sealing plug packing sleeve 4. Furthermore, the sealing plug packing ring 4 is preferably a fine slag packing ring layer.
In conclusion, the orifice protector provided by the application is used for protecting the blast hole which is manufactured in advance in the mining process, and has the advantages that firstly, the orifice protector can prevent rainwater and peripheral running water from being washed away in rainy seasons, and fine slag which penetrates and chisels around the drilled blast orifice is prevented from being brought into the hole; secondly, during dry seasons, dry and fine slag around the orifice is prevented from collapsing and falling into the hole easily due to vibration or wind blowing. Thereby reducing re-perforation or hole patching and reducing the cost of repeated perforation.
Example one
The purpose is to design a hole opening protector, which can prevent fine slag around a drill hole from falling into the hole and effectively reduce the probability of hole repairing (penetration).
The main technical scheme is as follows: taking a roller cone drilling hole protector with an aperture of 250mm as an example, the principles of other aperture protectors are similar. In order to keep the light weight of the orifice protector and facilitate the carrying and the operation, the protector is made of pvc plastic; the upper part is constructed into a hollow circular ring, the outer diameter is 0.6m, and the diameter of the inner ring is 0.249 m; the lower part is an inlet segment, is hollow cylindrical with the length of 1m and the diameter of 0.249 m.
The method comprises the following specific operations of roughly cleaning fine slag punched around an orifice after ① medium-length holes are punched, extending a hole entering section of an orifice protector into a hole by about 80cm by ②, burying the surrounding pipe wall by fine slag, directly lowering a powder conveying pipe from the upper opening of the orifice protector to the bottom of the hole when ③ blasting powder charging is carried out, preventing the fine slag around the orifice from falling into the hole in the process of lowering the powder conveying pipe, and taking out the orifice protector for recycling after ④ powder charging is finished.
Claims (9)
1. An orifice protector for a surface mine blasthole, characterized in that: the orifice protector comprises a fixed component (1) and a protective isolation component (2), wherein the protective isolation component (2) is detachably and fixedly arranged at the top of the fixed component (1); in the process of protecting the orifice, the orifice protector is arranged at the top of the borehole hole (3) needing protection through the fixing component (1), and slag at the periphery of the orifice is isolated from the borehole hole (3) through the protection isolation component (2).
2. An orifice protector for an open pit mine blasthole as defined in claim 1, wherein: the orifice protector further comprises a sealing plug packing sleeve (4), and gaps between the fixing component (1) and the protection isolation component (2) and the blasthole hole (3) are filled through the sealing plug packing sleeve (4).
3. The orifice protector for an open pit mine blasthole of claim 2, wherein: the sealing plug filling ring sleeve (4) is a fine slag filling ring sleeve layer.
4. An aperture protector for an open pit mine blasthole according to any of claims 1 to 3, characterized in that: the fixed component (1) is a hollow thin-wall cylinder with the diameter matched with the inner diameter of the blast hole, and the protective isolation component (2) is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick connection structure.
5. The orifice protector for an open pit mine blasthole of claim 4, wherein: the hollow thin-wall cylinder is made of a PVC thin-wall pipe.
6. The orifice protector for an open pit mine blasthole of claim 5, wherein: the protection isolation assembly (2) is a circular isolation sealing plate, the inner diameter of the circular isolation sealing plate is matched with the outer diameter of the hollow thin-wall cylinder, the outer diameter of the circular isolation sealing plate is not less than 2.5 times of the inner diameter of the circular isolation sealing plate, and the circular isolation sealing plate is detachably and fixedly arranged at the top of the hollow thin-wall cylinder through a quick connection structure.
7. The orifice protector for an open pit mine blasthole of claim 6, wherein: the circular ring-shaped isolation sealing plate is made of a PVC thin plate.
8. The orifice protector for an open pit mine blasthole of claim 7, wherein: the quick connection structure is at least two bosses arranged on the outer side wall of the top of the hollow thin-wall cylinder, and the bosses are uniformly distributed along the circumferential direction of the hollow thin-wall cylinder.
9. The orifice protector for an open pit mine blasthole of claim 8, wherein: the diameter of a circle formed by the bosses uniformly distributed along the circumferential direction of the hollow thin-wall cylinder is 2-3 mm larger than the inner diameter of the annular isolation sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283334.9U CN210321456U (en) | 2019-08-08 | 2019-08-08 | Orifice protector for open pit mine blasthole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283334.9U CN210321456U (en) | 2019-08-08 | 2019-08-08 | Orifice protector for open pit mine blasthole |
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| CN210321456U true CN210321456U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921283334.9U Active CN210321456U (en) | 2019-08-08 | 2019-08-08 | Orifice protector for open pit mine blasthole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097578A (en) * | 2020-08-13 | 2020-12-18 | 葛洲坝易普力湖南二化民爆有限公司 | Method for controlling root bottom of open-pit limestone mine after blasting |
| CN112611277A (en) * | 2020-12-16 | 2021-04-06 | 湖北盛达泰水利水电工程有限公司 | Pool rock foundation excavation blasting method |
| CN112796697A (en) * | 2020-12-31 | 2021-05-14 | 中国华冶科工集团有限公司 | Mine downward deep hole protection device and protection method |
-
2019
- 2019-08-08 CN CN201921283334.9U patent/CN210321456U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097578A (en) * | 2020-08-13 | 2020-12-18 | 葛洲坝易普力湖南二化民爆有限公司 | Method for controlling root bottom of open-pit limestone mine after blasting |
| CN112097578B (en) * | 2020-08-13 | 2023-02-21 | 葛洲坝易普力湖南二化民爆有限公司 | Method for controlling root bottom of open-pit limestone mine after blasting |
| CN112611277A (en) * | 2020-12-16 | 2021-04-06 | 湖北盛达泰水利水电工程有限公司 | Pool rock foundation excavation blasting method |
| CN112796697A (en) * | 2020-12-31 | 2021-05-14 | 中国华冶科工集团有限公司 | Mine downward deep hole protection device and protection method |
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