CN221144380U - Roof hydraulic fracturing drilling hole sealing tool for coal mine - Google Patents
Roof hydraulic fracturing drilling hole sealing tool for coal mine Download PDFInfo
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- CN221144380U CN221144380U CN202321768542.4U CN202321768542U CN221144380U CN 221144380 U CN221144380 U CN 221144380U CN 202321768542 U CN202321768542 U CN 202321768542U CN 221144380 U CN221144380 U CN 221144380U
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- hydraulic fracturing
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- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a roof hydraulic fracturing drilling hole sealing tool for a coal mine, which comprises a hole sealing end and a supporting leg rod body, wherein a connecting sleeve is arranged on the right side of the hole sealing end, a piston cylinder body is arranged on the right side of the connecting sleeve, a piston push rod is arranged in an inner cavity of the piston cylinder body, and a push rod bracelet is fixedly connected on the right side of the piston push rod. The roof hydraulic fracturing drilling hole sealing tool for the coal mine has the advantages of light weight, disassembly, high stability, short hole sealing time and the like, is matched with Marie loose hole sealing materials, can be suitable for roof drilling hole sealing construction, achieves the purposes of safe construction and improvement of working efficiency, and solves the problems that the existing hole sealing construction is difficult and the hole sealing materials are unreasonable to select.
Description
Technical Field
The utility model relates to the technical field of pre-cracking drilling, in particular to a roof hydraulic fracturing drilling hole sealing tool for a coal mine.
Background
And after stoping of the working face, the hydraulic fracturing drilling holes are constructed on the top plate of the gate along the working face to perform presplitting according to the requirement of the anti-scour design so as to achieve the effect of advanced disaster treatment.
After the presplitting drilling construction is finished, the hole sealing material is used for sealing the hole in the range of at least 3m from the drilling hole, and the problems mainly exist in the field construction due to the limitations of the hole sealing technology, the hole sealing material and other conditions: the drilling is constructed on a roadway roof and is influenced by the height of the roadway, the on-site hole sealing is mostly realized by pushing a hole sealing material into the hole by using a slender hard tool, and hole sealing personnel have a certain risk and are difficult to meet the requirement that the hole sealing length is not less than 3m, and a special device is required to be processed for hole sealing; after the drilling construction is completed, cracks in the holes are developed, water with cracks exists, the hole sealing difficulty is high by using common cement, a hole sealing material with strong plasticity and quick solidification is needed to be selected, and Marie powder can be selected as the hole sealing material.
Therefore, the roof hydraulic fracturing drilling hole sealing tool for the coal mine is provided to solve the problems of high difficulty and unreasonable hole sealing material selection in the existing hole sealing construction, so as to achieve the purposes of construction safety and work efficiency improvement.
Disclosure of utility model
The utility model aims to provide a roof hydraulic fracturing drilling hole sealing tool for a coal mine, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a roof hydraulic fracturing drilling hole sealing tool for colliery, includes hole sealing end and landing leg body of rod, hole sealing end right side is provided with the adapter sleeve, the right side of adapter sleeve is provided with the piston cylinder body, the inner chamber of piston cylinder body is provided with the piston push rod, the right side fixedly connected with push rod bracelet of piston push rod.
Preferably, the right side of piston cylinder body is provided with the cylinder body rear end cap, the piston push rod runs through the cylinder body rear end cap and can remove, the left side of cylinder body rear end cap is provided with the rear end cap clamp, the top of rear end cap clamp is provided with the fastener bolt.
Preferably, two groups of handrail clamping hoops are arranged on the outer ring of the middle part of the piston cylinder body, and handrails are fixedly connected to the top of the handrail clamping hoops.
Preferably, the bottom of the piston cylinder body is fixedly connected with a supporting leg connecting sleeve, the left side of the supporting leg rod body is fixedly connected with a supporting leg connecting end, and the supporting leg connecting end is connected with the supporting leg connecting sleeve through threads.
Preferably, the hole sealing end is a steel pipe with the diameter phi of 40mm, the piston cylinder body is a steel pipe with the diameter phi of 70mm, the hole sealing end is connected with the piston cylinder body through a connecting sleeve, the hole sealing end is welded with the connecting sleeve, and the right side of the connecting sleeve is in threaded connection with the piston cylinder body.
Preferably, a piston is arranged in the piston cylinder body, and the piston is fixedly connected with the piston push rod.
Preferably, the cylinder body rear end cover is welded on the right side of the piston cylinder body through a rear end cover clamp, and the rear end cover clamp is fastened on the outer ring of the piston cylinder body through an M12 outer hexagon bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. The roof hydraulic fracturing drilling hole sealing tool for the coal mine has the advantages of light weight, disassembly, high stability, short hole sealing time and the like, is matched with Marie loose hole sealing materials, can be suitable for roof drilling hole sealing construction, achieves the purposes of safe construction and improvement of working efficiency, and solves the problems that the existing hole sealing construction is difficult and the hole sealing materials are unreasonable to select.
Drawings
FIG. 1 is a diagram of the overall structure of a roof drilling and sealing tool;
Fig. 2 is a schematic diagram of a hole sealing tool leg structure.
In the figure: 1. sealing the hole end; 2. connecting sleeves; 3. a piston cylinder; 4. a handrail clamping ring; 5. an armrest; 6. the landing leg connecting sleeve; 7. a cylinder rear end cover; 8. a rear end cover clamp; 9. a fastener bolt; 10. a piston push rod; 11. the connecting ends of the push rod hand ring 12 and the supporting legs; 13. and a landing leg rod body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a roof hydraulic fracturing drilling hole sealing tool for colliery, includes hole sealing end 1 and landing leg body of rod 13, and hole sealing end 1 right side is provided with adapter sleeve 2, and adapter sleeve 2's right side is provided with piston cylinder body 3, and piston cylinder body 3's inner chamber is provided with piston push rod 10, and piston push rod 10's right side fixedly connected with push rod bracelet 11.
Wherein, the right side of piston cylinder body 3 is provided with cylinder body rear end cover 7, and piston push rod 10 runs through cylinder body rear end cover 7 and can remove, and the left side of cylinder body rear end cover 7 is provided with rear end cover clamp 8, and the top of rear end cover clamp 8 is provided with fastener bolt 9.
Wherein, the middle part outer lane of piston cylinder body 3 is provided with two sets of handrail clamping hoops 4, and handrail 5 is fixedly connected with at the top of handrail clamping hoops 4.
The bottom of the piston cylinder body 3 is fixedly connected with a support leg connecting sleeve 6, the left side of a support leg rod body 13 is fixedly connected with a support leg connecting end 12, and the support leg connecting end 12 is connected with the support leg connecting sleeve 6 through threads.
In this embodiment, the operator grips the handrail 5 by hand, the number of the hole sealing tool supporting legs 13 is reasonably adjusted according to the roadway height, the hole sealing supporting legs 13 are connected in the supporting leg connecting sleeve 6 on the piston cylinder body 3 by utilizing the supporting leg connecting ends 12, then the hole sealing tool is integrally erected, then the hole sealing end 1 is inserted into a hole sealing drill hole, the piston is slowly pushed towards the direction of the hole opening by matching the piston push rod 10 with the push rod hand ring 11, so that the Marsan hole sealing material in the piston cylinder body 3 is filled into the hole, after the hole sealing material is expanded and solidified, the hole sealing tool is taken down, and the hole sealing is completed, thereby realizing the purposes of construction safety and work efficiency improvement.
The hole sealing end 1 is a steel pipe with the diameter phi of 40mm, the piston cylinder body 3 is a steel pipe with the diameter phi of 70mm, the hole sealing end 1 is connected with the piston cylinder body 3 through the connecting sleeve 2, the hole sealing end 1 is welded with the connecting sleeve 2, and the right side of the connecting sleeve 2 is in threaded connection with the piston cylinder body 3.
Wherein, the piston cylinder body 3 is internally provided with a piston which is fixedly connected with the piston push rod 10.
The cylinder body rear end cover 7 is welded on the right side of the piston cylinder body 3 through the rear end cover clamp 8, and the rear end cover clamp 8 is fastened on the outer ring of the piston cylinder body 3 through an M12 outer hexagon bolt.
Working principle: when the hydraulic fracturing drilling hole sealing tool for the roof for the coal mine is required to be used for sealing holes, firstly, the hole sealing end 1 is placed into a Marie hole sealing material, then a piston push rod 10 is pulled to the maximum stroke of the outer end by utilizing a push rod bracelet 11 matched with a piston, the Marie hole sealing material is pumped into the piston cylinder 3 while the maximum cavity is formed in the piston cylinder 3, then an operator holds a handrail 5 by hand, the number of the used supporting legs 13 of the hole sealing tool is reasonably adjusted according to the height of a roadway, the supporting leg connecting ends 12 are utilized for connecting the supporting legs 13 into the supporting leg connecting sleeves 6 on the piston cylinder 3, then the hole sealing tool is integrally erected, then the hole sealing end 1 is inserted into the hole sealing drilling hole, the piston is slowly pushed to the direction of the hole opening by utilizing the push rod bracelet 11 matched with the piston push rod 10, after the piston is pushed to the maximum stroke, the hole sealing tool is taken down after the piston is expanded, the hole sealing tool is completely sealed, the purposes of construction safety and improvement of working efficiency are achieved, and the existing problems of large difficulty in hole sealing and unreasonable material selection are solved.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a roof hydraulic fracturing drilling hole sealing instrument for colliery, includes hole sealing end (1) and landing leg body of rod (13), its characterized in that: the hole sealing end is characterized in that a connecting sleeve (2) is arranged on the right side of the hole sealing end (1), a piston cylinder body (3) is arranged on the right side of the connecting sleeve (2), a piston push rod (10) is arranged in an inner cavity of the piston cylinder body (3), and a push rod bracelet (11) is fixedly connected to the right side of the piston push rod (10).
2. The roof hydraulic fracturing drilling hole sealing tool for coal mines according to claim 1, wherein: the right side of piston cylinder body (3) is provided with cylinder body rear end cap (7), piston push rod (10) run through cylinder body rear end cap (7) and can remove, the left side of cylinder body rear end cap (7) is provided with rear end cap clamp (8), the top of rear end cap clamp (8) is provided with fastener bolt (9).
3. The roof hydraulic fracturing drilling hole sealing tool for coal mines according to claim 1, wherein: two groups of handrail clamping hoops (4) are arranged on the outer ring of the middle of the piston cylinder body (3), and handrails (5) are fixedly connected to the tops of the handrail clamping hoops (4).
4. The roof hydraulic fracturing drilling hole sealing tool for coal mines according to claim 1, wherein: the bottom of the piston cylinder body (3) is fixedly connected with a supporting leg connecting sleeve (6), the left side of a supporting leg rod body (13) is fixedly connected with a supporting leg connecting end (12), and the supporting leg connecting end (12) is connected with the supporting leg connecting sleeve (6) through threads.
5. The roof hydraulic fracturing drilling hole sealing tool for coal mines according to claim 1, wherein: the hole sealing end (1) is a steel pipe with the diameter phi of 40mm, the piston cylinder body (3) is a steel pipe with the diameter phi of 70mm, the hole sealing end (1) is connected with the piston cylinder body (3) through the connecting sleeve (2), the hole sealing end (1) is welded with the connecting sleeve (2), and the right side of the connecting sleeve (2) is in threaded connection with the piston cylinder body (3).
6. The roof hydraulic fracturing drilling hole sealing tool for coal mines according to claim 1, wherein: the piston cylinder body (3) is internally provided with a piston, and the piston is fixedly connected with the piston push rod (10).
7. The roof hydraulic fracturing drilling and hole sealing tool for coal mines according to claim 2, wherein: the cylinder body rear end cover (7) is welded on the right side of the piston cylinder body (3) through the rear end cover clamp (8), and the rear end cover clamp (8) is fastened on the outer ring of the piston cylinder body (3) through an M12 outer hexagon bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768542.4U CN221144380U (en) | 2023-07-06 | 2023-07-06 | Roof hydraulic fracturing drilling hole sealing tool for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768542.4U CN221144380U (en) | 2023-07-06 | 2023-07-06 | Roof hydraulic fracturing drilling hole sealing tool for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221144380U true CN221144380U (en) | 2024-06-14 |
Family
ID=91428547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321768542.4U Active CN221144380U (en) | 2023-07-06 | 2023-07-06 | Roof hydraulic fracturing drilling hole sealing tool for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221144380U (en) |
-
2023
- 2023-07-06 CN CN202321768542.4U patent/CN221144380U/en active Active
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