CN219826781U - Grouting non-return short pipe of polyethylene composite pipe with steel wire framework under coal mine - Google Patents
Grouting non-return short pipe of polyethylene composite pipe with steel wire framework under coal mine Download PDFInfo
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- CN219826781U CN219826781U CN202321352710.1U CN202321352710U CN219826781U CN 219826781 U CN219826781 U CN 219826781U CN 202321352710 U CN202321352710 U CN 202321352710U CN 219826781 U CN219826781 U CN 219826781U
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- Prior art keywords
- pipe
- grouting
- short
- capsule
- protective
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims abstract description 14
- -1 polyethylene Polymers 0.000 title claims abstract description 14
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 239000002775 capsule Substances 0.000 claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 239000004568 cement Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 18
- 238000007569 slipcasting Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 13
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of grouting check short pipes, and discloses a grouting check short pipe of a steel wire skeleton polyethylene composite pipe in a coal mine, which comprises a grouting pipe, a short pipe, a protective pipe capsule, a mounting pipe and a one-way grouting valve section, wherein the short pipe is arranged on the inner side of the grouting pipe, the protective pipe capsule is arranged on the outer surface of the short pipe and is used for sealing stratum cracks, the mounting pipe is connected to the right side of the short pipe, the one-way grouting valve section is arranged in the short pipe and is used for guiding the inside of the short pipe into cement paste for one-way conveying, the short pipe comprises a connecting pipe, the outer surface of the connecting pipe is movably sleeved with the inner wall of the protective pipe capsule, a grouting hole positioned on the inner side of the protective pipe capsule is formed in the outer surface of the connecting pipe, and the protective pipe capsule is used for sealing bottom layer cracks through extrusion of the cement paste. Thereby being convenient for operators to seal the stratum cracks, improving the sealing effect and bringing convenience to the use of operators.
Description
Technical Field
The utility model relates to the technical field of grouting non-return short pipes, in particular to a grouting non-return short pipe of a polyethylene composite pipe with a steel wire framework under a coal mine.
Background
When the underground coal mine is operated, the underground coal mine is often required to be drilled, then cracks are easily formed in holes during drilling, then a steel wire skeleton polyethylene composite pipe grouting pipe is required to be used for plugging the cracks, cement paste is generally injected into the grouting pipe in the prior art when the grouting pipe is used, the grouting hole is used for filling the cracks in the holes, the cracks are sealed, however, when cement paste is injected into the pipe, backflow is easy to occur, the cement paste in the pipe cannot be extruded comprehensively from the grouting hole, the cracks are not sealed easily, the sealing effect is affected, and the grouting pipe is required to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the grouting non-return short pipe of the underground coal mine steel wire skeleton polyethylene composite pipe, which has the advantage of being convenient for filling cracks.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery is steel wire skeleton polyethylene composite pipe slip casting non return nozzle stub in pit, includes the slip casting pipe, still includes
A short pipe arranged at the inner side of the grouting pipe,
a protective tube capsule which is arranged on the outer surface of the short tube and is used for sealing stratum cracks,
a mounting tube connected to the right side of the short tube,
the one-way grouting valve joint is arranged in the short pipe and is used for leading the inside of the short pipe into cement paste for one-way conveying
The outer surface of the connecting pipe is movably sleeved with the inner wall of the protective pipe capsule, a slurry outlet hole positioned at the inner side of the protective pipe capsule is formed in the outer surface of the connecting pipe, and the protective pipe capsule seals the bottom layer cracks through extrusion of cement slurry.
As a preferable technical scheme of the utility model, the grouting pipe comprises a composite pipe I, and the right side of the composite pipe I is in threaded sleeve joint with the left side of the grouting hole.
As a preferable technical scheme of the utility model, the mounting pipe comprises a mounting ring, and the left side of the mounting ring is movably connected with the right sides of the protective pipe capsule and the connecting pipe respectively.
As a preferable technical scheme of the utility model, a connecting ring is arranged on the left side of the mounting ring, and the outer surface of the connecting ring is in threaded sleeve connection with the inner wall on the right side of the connecting pipe.
As a preferable technical scheme of the utility model, the right side of the mounting ring is in threaded sleeve joint with a second composite pipe, and the right side of the second composite pipe is in a sealing shape.
As a preferable technical scheme of the utility model, the left side of the inner part of the connecting pipe is connected with the outer surface of the unidirectional grouting valve joint.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the connecting pipe, the grout outlet hole and the protective pipe capsule are arranged, so that when an operator integrally introduces the grouting pipe and the short pipe into the hole, cement grout is further introduced into the first composite pipe, the connecting pipe and the second composite pipe, the one-way grouting valve joint is used for blocking the reflowed cement grout, and then the cement grout is discharged through the grout outlet hole, so that the cement grout and the protective pipe capsule are used for sealing cracks in the hole, thereby being convenient for the operator to seal stratum cracks, improving the sealing effect and bringing convenience to the operator.
2. According to the utility model, the protective tube capsule and the mounting ring are arranged, when an operator rotates the mounting ring, the connecting ring is driven to rotate, so that the connecting ring is moved out of the right side of the connecting pipe, the blocking of the protective tube capsule is released, the protective tube capsule is conveniently sleeved on the outer surface of the connecting pipe, the mounting ring is reset, and the protective tube capsule is conveniently mounted by the operator, so that the protective tube capsule can be continuously used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a connecting pipe according to the present utility model;
fig. 4 is a schematic cross-sectional view of a connecting tube according to the present utility model.
In the figure: 1. grouting pipe; 11. a first composite pipe; 12. a second composite pipe; 2. a short pipe; 21. a connecting pipe; 22. a pulp outlet hole; 3. a protective tube capsule; 4. installing a pipe; 41. a mounting ring; 42. a connecting ring; 5. one-way grouting valve joint.
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.
As shown in fig. 1 to 4, the utility model provides a grouting non-return short pipe of a polyethylene composite pipe with a steel wire framework under a coal mine, which comprises a grouting pipe 1 and also comprises
A short tube 2 provided inside the grouting pipe 1,
a protective tube capsule 3 which is arranged on the outer surface of the short tube 2 and is used for sealing stratum cracks,
a mounting tube 4, which is connected to the right side of the short tube 2,
a one-way grouting valve section 5 arranged inside the short pipe 2 for guiding the inside of the short pipe 2 into the cement slurry for one-way transportation
The short pipe 2 comprises a connecting pipe 21, the outer surface of the connecting pipe 21 is movably sleeved with the inner wall of the protective pipe capsule 3, a slurry outlet 22 positioned at the inner side of the protective pipe capsule 3 is formed in the outer surface of the connecting pipe 21, and the protective pipe capsule 3 seals the bottom layer crack through extrusion of cement slurry.
Through filling grout to the inside of grouting pipe 1 for leading-in to inside nozzle stub 2, make its inflow to the right side of grouting pipe 1, and then block on the right side of grouting pipe 1 through grout, make to extrude protective tube capsule 3 with grout through 23, thereby seal the bottom crack through grout and protective tube capsule 3, make it avoid influencing the drilling.
The grouting pipe 1 comprises a first composite pipe 11, and the right side of the first composite pipe 11 is in threaded sleeve joint with the left side of the grouting hole 22.
By the screw thread design between the first composite pipe 11 and the grouting hole 22, the short pipe 2 can be integrally installed on the grouting pipe 1 conveniently, so that the short pipe 2 can be installed at different positions of the grouting pipe 1, and cracks at different positions inside the hole can be sealed.
Wherein, the mounting tube 4 comprises a mounting ring 41, and the left side of the mounting ring 41 is movably connected with the right sides of the protective tube capsule 3 and the connecting tube 21 respectively.
By the design of the mounting ring 41, the right side of the protective tube capsule 3 is blocked, and then the mounting ring 41 is moved out of the right side of the connecting tube 21, so that an operator can conveniently mount the protective tube capsule 3 on the outer surface of the connecting tube 21, and the underground fracture is prevented from being plugged again.
Wherein, the left side of collar 41 installs go-between 42, and the outer surface of go-between 42 cup joints with the inner wall screw thread on the right side of connecting pipe 21.
By rotating the mounting ring 41, the connecting ring 42 will be driven by the mounting ring 41 to move out of the right side of the connecting tube 21, so that the mounting of the protective tube capsule 3 on the outer surface of the connecting tube 21 is facilitated, and the subsequent use is facilitated.
The right side of the mounting ring 41 is in threaded sleeve connection with the second composite pipe 12, and the right side of the second composite pipe 12 is in a sealing shape.
The cement slurry is led into the connecting pipe 21 through the first composite pipe 11, flows into the second composite pipe 12 through the mounting ring 41, and meanwhile, the right side of the second composite pipe 12 is sealed, so that the cement slurry in the second composite pipe is accumulated and discharged through the slurry outlet hole 22, and stratum cracks in the hole are sealed through the cement slurry and the protective pipe capsule 3, so that the grouting pipe 1 is integrally removed from the hole.
Wherein the left side of the inside of the connection pipe 21 is connected with the outer surface of the one-way grouting valve joint 5.
Through the design of one-way slip casting valve festival 5 for one-way slip casting valve festival 5 can not block it when letting in cement thick liquid, and then when the grout passes through the compound pipe two 12 block and produces the backward flow, one-way slip casting valve festival 5 will block the grout of backward flow this moment, makes it let the grout discharge through play thick liquid hole 22.
The working principle and the using flow of the utility model are as follows:
firstly, when an operator seals a crack generated by underground drilling of a coal mine, the first composite pipe 11, the connecting pipe 21 and the second composite pipe 12 are inserted into the hole, the protective pipe capsule 3 is moved to the position of the crack, cement slurry is injected into the first composite pipe 21 and the second composite pipe 12 through the first composite pipe 11, meanwhile, the cement slurry is blocked through the second composite pipe 12, backflow of the cement slurry is generated, then due to the design of the one-way grouting valve section 5, the cement slurry flowing back through the one-way grouting valve section 5 is blocked, the cement slurry is discharged through the slurry outlet hole 22, and then the protective pipe capsule 3 is extruded through the cement slurry, so that the crack of a stratum is sealed through the protective pipe capsule 3 and the cement, and the first composite pipe 11, the connecting pipe 21 and the second composite pipe 12 are extracted from the hole, so that the subsequent drilling treatment is facilitated.
Then, when operating personnel use the back to the slip casting pipe, rotatory connecting pipe 21 this moment for drive connecting pipe 21 and shift out from compound pipe one 11, and drive collar 41 through connecting pipe 21 and shift out from compound pipe two 12, and then rotatory collar 41, make and drive the go-between 42 through collar 41 and take place the rotation, the go-between 42 will shift out from the right side of connecting pipe 21 simultaneously, later cup joint the pillar capsule 3 on the surface of connecting pipe 21, make reset the go-between 41 through the go-between 42, make it block the pillar capsule 3 after changing, thereby the operating personnel of being convenient for installs pillar capsule 3, make the follow-up continuous use of being convenient for, the use of operating personnel has brought the facility.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a colliery is steel wire skeleton polyethylene composite pipe slip casting non return nozzle stub in pit, includes slip casting pipe (1), its characterized in that: and also comprises
A short pipe (2) arranged at the inner side of the grouting pipe (1),
a protective tube capsule (3) which is arranged on the outer surface of the short tube (2) and is used for sealing stratum cracks,
a mounting pipe (4) connected to the right side of the short pipe (2),
a unidirectional grouting valve joint (5) arranged inside the short pipe (2) for leading the inside of the short pipe (2) into cement paste for unidirectional transportation
The short pipe (2) comprises a connecting pipe (21), the outer surface of the connecting pipe (21) is movably sleeved with the inner wall of the protective pipe capsule (3), a slurry outlet hole (22) positioned on the inner side of the protective pipe capsule (3) is formed in the outer surface of the connecting pipe (21), and the protective pipe capsule (3) seals the bottom layer crack through extrusion of cement slurry.
2. The underground coal mine steel wire skeleton polyethylene composite pipe grouting non-return short pipe according to claim 1, wherein the grouting non-return short pipe is characterized in that: the grouting pipe (1) comprises a first composite pipe (11), and the right side of the first composite pipe (11) is in threaded sleeve connection with the left side of the grouting hole (22).
3. The underground coal mine steel wire skeleton polyethylene composite pipe grouting non-return short pipe according to claim 1, wherein the grouting non-return short pipe is characterized in that: the mounting pipe (4) comprises a mounting ring (41), and the left side of the mounting ring (41) is movably connected with the right sides of the protective pipe capsule (3) and the connecting pipe (21) respectively.
4. A coal mine downhole steel wire skeleton polyethylene composite pipe grouting non-return spool as claimed in claim 3, wherein: the left side of the mounting ring (41) is provided with a connecting ring (42), and the outer surface of the connecting ring (42) is in threaded sleeve connection with the inner wall on the right side of the connecting pipe (21).
5. A coal mine downhole steel wire skeleton polyethylene composite pipe grouting non-return spool as claimed in claim 3, wherein: the right side thread of the mounting ring (41) is sleeved with a second composite pipe (12), and the right side of the second composite pipe (12) is sealed.
6. The underground coal mine steel wire skeleton polyethylene composite pipe grouting non-return short pipe according to claim 1, wherein the grouting non-return short pipe is characterized in that: the left side of the inside of the connecting pipe (21) is connected with the outer surface of the one-way grouting valve joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352710.1U CN219826781U (en) | 2023-05-31 | 2023-05-31 | Grouting non-return short pipe of polyethylene composite pipe with steel wire framework under coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352710.1U CN219826781U (en) | 2023-05-31 | 2023-05-31 | Grouting non-return short pipe of polyethylene composite pipe with steel wire framework under coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826781U true CN219826781U (en) | 2023-10-13 |
Family
ID=88273583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352710.1U Active CN219826781U (en) | 2023-05-31 | 2023-05-31 | Grouting non-return short pipe of polyethylene composite pipe with steel wire framework under coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826781U (en) |
-
2023
- 2023-05-31 CN CN202321352710.1U patent/CN219826781U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |