CN220133897U - Hole sealing device for coal bed gas pressure cracking drilling - Google Patents
Hole sealing device for coal bed gas pressure cracking drilling Download PDFInfo
- Publication number
- CN220133897U CN220133897U CN202321499510.9U CN202321499510U CN220133897U CN 220133897 U CN220133897 U CN 220133897U CN 202321499510 U CN202321499510 U CN 202321499510U CN 220133897 U CN220133897 U CN 220133897U
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- China
- Prior art keywords
- fixedly connected
- sealing device
- wall
- hole sealing
- coal seam
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 238000005336 cracking Methods 0.000 title description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model relates to the field of hole sealing devices, and discloses a hole sealing device for coal bed gas fracturing and drilling, which comprises a base, wherein a second electric telescopic rod is fixedly connected to the center of the rear end of the upper surface of the base, a connecting block is fixedly connected to the upper surface of the second electric telescopic rod, and a fixing block is fixedly connected to the outer wall of the front end of the connecting block.
Description
Technical Field
The utility model relates to the field of hole sealing devices, in particular to a hole sealing device for coal bed gas fracturing drilling holes.
Background
The hole sealing device for the coal bed gas fracturing drilling hole is mainly used for sealing holes and plugging wellbores after drilling or fracturing, preventing the coal bed gas from leaking out, improving safety and environmental protection, is a device for plugging wellbores or pipelines so as to realize safe underground fracturing operation, and is usually composed of sealing materials, plugging devices and plugging pipes.
However, the gas pipe needs to be placed after the hole sealing operation is performed on part of the hole sealing device, so that the gas pipe can damage the sealed holes due to complicated steps, the sealing effect of the holes is poor, the part of the hole sealing device cannot be adjusted according to the size of the sealed holes, and the application range of the device is low.
Therefore, a person skilled in the art provides a hole sealing device for a coal bed methane fracturing drill hole, so as to solve the problems in the background art.
Disclosure of Invention
Compared with the existing partial hole sealing device, the hole sealing device for the coal seam gas fracture drilling hole is provided with the second clamping piece, a user can rotate the second clamping piece through controlling the servo motor on the fixing block, the second clamping piece can rotate through the second connecting rod, the annular placing block is controlled to move through the hinge piece, the support rod can move through the hinge piece, the sealing pipe can be firmly fixed on the inner wall of the hole, the annular placing block can also move through the third connecting rod, the placed sealing liquid in the second chamber flows into the hole wall to be sealed, the sealing pipe can not only conduct joint sealing, but also conduct conveying on the coal seam gas, damage to the hole wall is reduced, and the sealing effect of the sealing pipe is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hole sealing device of coal seam gas fracturing drilling, includes the base, the center department fixedly connected with second electric telescopic handle of base upper surface rear end, the last fixedly connected with connecting block of second electric telescopic handle, the outer wall fixedly connected with fixed block of connecting block front end, the lower fixedly connected with shutoff pipe of fixed block, the upper surface rotation of shutoff pipe is connected with a plurality of second joint spare, the center department fixedly connected with second connecting rod of second joint spare lower surface, the lower fixedly connected with lead screw of second connecting rod, the upper end threaded connection of lead screw outer wall has the annular to place the piece, the equal fixedly connected with hinge piece all around of piece lower surface is placed to the annular, one side of hinge piece lower surface articulates and is connected with the bracing piece, the equal fixedly connected with third connecting rod all around of piece upper surface is placed to the annular, the upper surface fixedly connected with of third connecting rod seals the stopper.
Through above-mentioned technical scheme, compare current partial hole sealing device, this hole sealing device is provided with the second joint spare on the shutoff pipe, the user can rotate through the servo motor on the control fixed block and then, thereby make first joint spare control second joint spare rotate, the second joint spare can rotate through the second connecting rod with the lead screw, thereby the control annular is placed the piece and is taken the articulated joint spare and remove, the removal of articulated joint spare can be so that the bracing piece is taken the joint board and is removed, thereby make the shutoff pipe firmly fixed on the inner wall of hole, the removal of annular is placed the piece and also can be taken the sealing plug through the third connecting rod and remove, thereby make the shutoff pipe not only can carry out the seam filling to the hole on the pore wall of required sealing, thereby the sealed effect of shutoff pipe is promoted.
Further, a first clamping block is fixedly connected to the periphery of the upper surface of the plugging tube, a plurality of fixing holes are formed in the middle of the outer wall of the first clamping block, and a second clamping block is fixedly connected to the lower surface of the plugging tube;
through the technical scheme, a plurality of plugging pipes can be fixedly connected.
Further, the centers of the two sides of the upper surface of the base are fixedly connected with first electric telescopic rods, and the outer wall of one side of each first electric telescopic rod is fixedly connected with a clamping block;
through the technical scheme, the first electric telescopic rod can control the clamping block to clamp and fix the plugging pipe.
Further, the upper end of the outer wall at one side of the second electric telescopic rod is fixedly connected with a control console, and the upper surface of the control console is fixedly connected with a plurality of control buttons;
through the technical scheme, a user can control the device through the control button.
Further, a first cavity is formed in the center of the upper end inside the fixed block, a servo motor is fixedly connected to the center of the inner wall of the rear end of the first cavity, and a driving bevel gear is fixedly connected to the output end of the servo motor;
through the technical scheme, the servo motor can control the drive bevel gear to rotate.
Further, a plurality of positioning holes are formed in the periphery of the upper surface of the base;
through the technical scheme, the base can be stably fixed at a required position.
Further, a second cavity is formed in the upper end of the inside of the plugging tube, and a plurality of clamping plates are hinged to the lower end of the outer wall of the plugging tube;
through above-mentioned technical scheme to make the shutoff pipe can be fixed on the inner wall of hole through the joint board.
Further, the periphery of the lower surface of the fixed block is rotationally connected with a first clamping piece, a first connecting rod is fixedly connected to the center of the upper surface of the first clamping piece, and a driven bevel gear is fixedly connected to the upper surface of the first connecting rod;
through the technical scheme, the driven bevel gear can rotate by carrying the first clamping piece through the first connecting rod.
The utility model has the following beneficial effects:
1. compared with the existing partial hole sealing device, the hole sealing device for the coal seam gas fracture drilling hole is provided with the second clamping piece, a user can rotate the second clamping piece through controlling the servo motor on the fixing block, so that the first clamping piece can control the second clamping piece to rotate, the second clamping piece can rotate through the second connecting rod with the screw rod, the annular placing block is controlled to move with the hinging piece, the supporting rod can move with the clamping plate through the movement of the hinging piece, the plugging pipe can be firmly fixed on the inner wall of the hole, the sealing plug can be moved through the third connecting rod, the placed sealing liquid in the second cavity flows into the hole wall to be plugged, the plugging pipe can not only patch the hole, but also convey the coal seam gas, damage to the hole wall is reduced, and the sealing effect of the plugging pipe is improved.
2. Compared with the existing partial hole sealing device, the hole sealing device for the coal seam gas fracture drilling hole is provided with the first clamping block and the second clamping block respectively at the upper part and the lower part of the plugging pipe, the plugging pipe and the plugging pipe can be fixedly connected through the first clamping block and the second clamping block, the first clamping piece is also arranged at the bottom of the plugging pipe and can be clamped and fixed with the second clamping piece arranged at the upper part of the plugging pipe, so that a user can adjust the fixation of the plugging pipe according to the depth of the hole, the application range of the device is further improved, and the spliced structure is also convenient for the user to transport.
3. Compared with the existing partial hole sealing device, the hole sealing device controls the plugging pipe to move downwards through the second electric telescopic rod, a user can control the device through a plurality of control buttons arranged on the control console, and the convenience of user control is improved through a simple control mode.
Drawings
Fig. 1 is a schematic structural diagram of a hole sealing device for a coal seam gas fracturing drill hole;
fig. 2 is a schematic diagram of a clamping block structure of a hole sealing device for a coal seam gas fracturing drill hole;
fig. 3 is a schematic diagram of a second clamping member of a hole sealing device for a coal seam gas fracture drilling hole according to the present utility model;
fig. 4 is a schematic diagram of a structure of a clamping plate of a hole sealing device for a coal seam gas fracture drilling hole according to the present utility model;
fig. 5 is a schematic block structure diagram of a hole sealing device for a coal seam gas fracturing drill hole according to the present utility model;
fig. 6 is a schematic diagram of a plugging tube structure of a plugging device for a coal seam gas fracture drilling hole.
Legend description:
1. a base; 2. positioning holes; 3. a first electric telescopic rod; 4. a clamping block; 5. a second electric telescopic rod; 6. a console; 7. a control button; 8. a connecting block; 9. a fixed block; 10. a first chamber; 11. a servo motor; 12. a drive bevel gear; 13. a first clamping piece; 14. a first connecting rod; 15. a driven bevel gear; 16. plugging the pipe; 17. a first clamping block; 18. a fixing hole; 19. a second clamping piece; 20. a second connecting rod; 21. a screw rod; 22. annular placement blocks; 23. a hinge; 24. a third connecting rod; 25. a sealing plug; 26. a support rod; 27. a second chamber; 28. a clamping plate; 29. and a second clamping block.
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.
Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a hole sealing device of coal seam gas fracturing drilling, which comprises a base 1, the center department fixedly connected with second electric telescopic handle 5 of base 1 upper surface rear end, the upper surface fixedly connected with connecting block 8 of second electric telescopic handle 5, the outer wall fixedly connected with fixed block 9 of connecting block 8 front end, the lower fixed surface of fixed block 9 is connected with shutoff pipe 16, the upper surface rotation of shutoff pipe 16 is connected with a plurality of second joint pieces 19, the center department fixedly connected with second connecting rod 20 of second joint piece 19 lower surface, the lower fixed surface of second connecting rod 20 is connected with lead screw 21, the upper end threaded connection of lead screw 21 outer wall has annular place piece 22, all fixedly connected with articulated elements 23 all around of annular place piece 22 lower surface, one side of articulated elements 23 lower surface articulates and is connected with bracing piece 26, all fixedly connected with third connecting rod 24 all around the annular place piece 22 upper surface, the upper surface fixedly connected with of third connecting rod 24 seals stopper 25.
Compared with the existing partial hole sealing device, the second clamping piece 19 is arranged on the plugging tube 16, a user can rotate by controlling the servo motor 11 on the fixed block 9, so that the first clamping piece 13 controls the second clamping piece 19 to rotate, the second clamping piece 19 can rotate by controlling the annular placing block 22 to move by controlling the hinge piece 23 by controlling the annular placing block to move by controlling the annular placing block 22 to move by controlling the hinge piece 23 by controlling the support rod 26 to move by controlling the clamping plate 28, so that the plugging tube 16 can be firmly fixed on the inner wall of the hole, and the annular placing block 22 can also move by controlling the sealing plug 25 by controlling the third connecting rod 24, so that the placed sealing liquid in the second cavity 27 flows into the hole wall to be sealed, so that the plugging tube can not only seal the hole, but also convey the coal seam gas, thereby reducing the damage to the hole wall and improving the sealing effect of the plugging tube 16.
The periphery of the upper surface of the plugging tube 16 is fixedly connected with a first clamping block 17, the middle part of the outer wall of the first clamping block 17 is provided with a plurality of fixing holes 18, the lower surface of the plugging tube 16 is fixedly connected with a second clamping block 29, so that a plurality of plugging tubes 16 can be fixedly connected, the centers of the two sides of the upper surface of the base 1 are fixedly connected with a first electric telescopic rod 3, the outer wall of one side of the first electric telescopic rod 3 is fixedly connected with a clamping block 4, so that the first electric telescopic rod 3 can control the clamping block 4 to clamp and fix the plugging tube 16, the upper end of the outer wall of one side of the second electric telescopic rod 5 is fixedly connected with a control console 6, the upper surface of the control console 6 is fixedly connected with a plurality of control buttons 7, a user can control the device through the control buttons 7, the center of the upper end inside the fixing block 9 is provided with a first chamber 10, the center of the inner wall of the rear end of the first cavity 10 is fixedly connected with a servo motor 11, the output end of the servo motor 11 is fixedly connected with a drive bevel gear 12, so that the servo motor 11 can control the drive bevel gear 12 to rotate, the periphery of the upper surface of the base 1 is provided with a plurality of positioning holes 2, so that the base 1 can be stably fixed at a required position, the upper end of the inside of the plugging tube 16 is provided with a second cavity 27, the lower end of the outer wall of the plugging tube 16 is hinged with a plurality of clamping plates 28, so that the plugging tube 16 can be fixed on the inner wall of the hole through the clamping plates 28, the periphery of the lower surface of the fixed block 9 is rotationally connected with a first clamping piece 13, the center of the upper surface of the first clamping piece 13 is fixedly connected with a first connecting rod 14, the upper surface of the first connecting rod 14 is fixedly connected with a driven bevel gear 15, so that the driven bevel gear 15 can rotate with the first clamping piece 13 by the first connecting rod 14.
Working principle: when the device is needed to be used, the plugging tube 16 is firstly fixed on the fixed block 9, the second electric telescopic rod 5 is controlled to move through the control button 7 arranged on the control console 6, after the second electric telescopic rod 5 descends to the limit, the first electric telescopic rod 3 is controlled to clamp and fix the plugging tube 16, then the plugging tube 16 is detached from the fixed block 9 and the second electric telescopic rod 5 is moved upwards, the second plugging tube 16 is installed, the plugging tube 16 is continuously moved downwards through repeated operation of the steps, after the required position is reached, a user can control the servo motor 11 on the fixed block 9 to rotate, the first clamping piece 13 can control the second clamping piece 19 to rotate, the second clamping piece 19 can control the annular placing block 22 to move through the second connecting rod 20, the support rod 26 can be enabled to move through the hinge piece 23, the plugging tube 16 can be enabled to be fixedly arranged on the inner wall of the fixed block 9, and the annular placing block 22 can be enabled to move through the third connecting rod 24 to be enabled to flow into the required sealing cavity 27 through the annular placing block 24.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a hole sealing device of coal seam atmospheric pressure fracturing drilling, includes base (1), its characterized in that: the utility model discloses a sealing device for the plastic bottle, including base (1), electric telescopic handle (5) of center department fixedly connected with of base (1) upper surface rear end, the upper surface fixedly connected with connecting block (8) of second electric telescopic handle (5), outer wall fixedly connected with fixed block (9) of connecting block (8) front end, the lower surface fixedly connected with shutoff pipe (16) of fixed block (9), the upper surface rotation of shutoff pipe (16) is connected with a plurality of second joint spare (19), the center department fixedly connected with second connecting rod (20) of second joint spare (19) lower surface, the lower surface fixedly connected with lead screw (21) of second connecting rod (20), upper end screw thread connection of lead screw (21) outer wall has annular place piece (22), all around fixedly connected with hinge (23) of piece (22) lower surface are placed to the ring, one side hinge connection of hinge (23) lower surface has bracing piece (26), all around of annular place piece (22) upper surface all fixedly connected with third connecting rod (24), surface fixedly connected with stopper (25) on third connecting rod (24).
2. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the periphery fixedly connected with first fixture block (17) of shutoff pipe (16) upper surface, a plurality of fixed orifices (18) have been seted up at the middle part of first fixture block (17) outer wall, the lower surface fixedly connected with second fixture block (29) of shutoff pipe (16).
3. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the electric telescopic device is characterized in that the centers of two sides of the upper surface of the base (1) are fixedly connected with first electric telescopic rods (3), and the outer wall of one side of each first electric telescopic rod (3) is fixedly connected with a clamping block (4).
4. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the upper end of the outer wall of one side of the second electric telescopic rod (5) is fixedly connected with a control console (6), and the upper surface of the control console (6) is fixedly connected with a plurality of control buttons (7).
5. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the center of the upper end inside the fixed block (9) is provided with a first cavity (10), the center of the inner wall of the rear end of the first cavity (10) is fixedly connected with a servo motor (11), and the output end of the servo motor (11) is fixedly connected with a drive bevel gear (12).
6. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: a plurality of positioning holes (2) are formed in the periphery of the upper surface of the base (1).
7. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the second cavity (27) is formed in the upper end of the inside of the plugging tube (16), and a plurality of clamping plates (28) are hinged to the lower end of the outer wall of the plugging tube (16).
8. The hole sealing device for a coal seam gas fracturing drill hole according to claim 1, wherein: the novel fixed block is characterized in that first clamping pieces (13) are rotationally connected to the periphery of the lower surface of the fixed block (9), a first connecting rod (14) is fixedly connected to the center of the upper surface of the first clamping pieces (13), and a driven bevel gear (15) is fixedly connected to the upper surface of the first connecting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321499510.9U CN220133897U (en) | 2023-06-13 | 2023-06-13 | Hole sealing device for coal bed gas pressure cracking drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321499510.9U CN220133897U (en) | 2023-06-13 | 2023-06-13 | Hole sealing device for coal bed gas pressure cracking drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220133897U true CN220133897U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321499510.9U Active CN220133897U (en) | 2023-06-13 | 2023-06-13 | Hole sealing device for coal bed gas pressure cracking drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220133897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605413A (en) * | 2024-01-24 | 2024-02-27 | 中国石油大学(华东) | Oil well high-energy gas fracturing yield and injection increasing equipment and method |
-
2023
- 2023-06-13 CN CN202321499510.9U patent/CN220133897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117605413A (en) * | 2024-01-24 | 2024-02-27 | 中国石油大学(华东) | Oil well high-energy gas fracturing yield and injection increasing equipment and method |
| CN117605413B (en) * | 2024-01-24 | 2024-04-26 | 中国石油大学(华东) | Oil well high-energy gas fracturing yield and injection increasing equipment and method |
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