CN211598596U - Grouting hole packer - Google Patents
Grouting hole packer Download PDFInfo
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- CN211598596U CN211598596U CN202020002948.1U CN202020002948U CN211598596U CN 211598596 U CN211598596 U CN 211598596U CN 202020002948 U CN202020002948 U CN 202020002948U CN 211598596 U CN211598596 U CN 211598596U
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Abstract
The utility model discloses a slip casting hole packer, include first bag, second bag, take out and adopt pipe, slip casting pipe and draw and move the device. The first bag and the second bag are arranged at intervals, one end of the grouting pipe penetrates through the second bag and is inserted into the first bag, the grouting pipe between the first bag and the second bag is provided with an explosion valve, and the grouting pipe performs grouting to enable the first bag, the second bag and the space between the first bag and the second bag to be filled with grout. And the extraction pipe penetrates through the first bag and the second bag to extract the gas to be extracted. The pulling and moving device is connected with the first bag and pulls the first bag to move towards the direction close to the second bag. Adopt the utility model discloses, draw and move the first bag of device pulling and remove to the second bag, extrude the gas in first bag and the second bag, make the thick liquid extrusion more full, take out and adopt the hole shutoff completely, prevent that external gas from getting into taking out of shutoff and taking out in the hole to improve gas and take out concentration, improve simultaneously and take out and adopt efficiency.
Description
Technical Field
The utility model relates to a colliery gas drainage drilling hole sealing technical field especially relates to a slip casting hole packer.
Background
At present, the hole sealing technology adopted in mine gas extraction is mainly 'two-plugging one-injecting', and polyurethane, cement mortar and the like are adopted as hole sealing materials. The method for two-plugging and one-injecting comprises the steps of plugging two ends of a hole sealing section of the extraction hole by using bag bags, injecting slurry into the hole sealing section of the extraction hole between the bag bags at the two ends through a slurry injection pipe after polyurethane in the bag bags foams, expands and condenses, and enabling the slurry to penetrate into the wall of the drilling hole and fill cracks around the drilling hole under the action of grouting pressure.
However, when the extraction hole is an inclined hole (a drill hole with an inclined straight line axis), the slurry in the bag of the inclined hole always keeps a horizontal plane, the gas in the bag is extruded above the slurry, the slurry in the bag cannot be fully filled in the bag to squeeze the gas because the grouting pressure is not high and the bag is sealed, the gas always exists in the bag, so that the bag cannot be completely attached to the inner wall of the extraction hole, and the extraction hole is not completely blocked. And external gas can enter the extraction hole between the two bags, so that the gas extraction concentration is not high, and the extraction efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a slip casting hole packer to solve above-mentioned technical problem.
The utility model provides a slip casting hole packer, include: the device comprises a first bag, a second bag, an extraction pipe, a grouting pipe and a pulling and moving device;
the first bag and the second bag are arranged at intervals;
one end of the grouting pipe penetrates through the second bag, is inserted into the first bag, and is used for grouting to the first bag and the second bag respectively, and a blasting valve is arranged on the grouting pipe between the first bag and the second bag;
the extraction pipe penetrates through the first bag and the second bag and is used for extracting gas to be extracted;
the pulling and moving device is connected with the first bag and pulls the first bag to move towards the direction close to the second bag.
Further, the pulling and moving device comprises a support part and a steel wire rope;
the supporting part is arranged on one side, away from the second bag, of the first bag, a first sleeve hole is formed in the supporting part, and the first sleeve hole is sleeved on the extraction pipe;
the steel wire rope is connected with the supporting part and pulls the supporting part to drive the first bag to move towards the direction close to the second bag.
Further, the supporting part comprises a first pipe body, the first sleeve hole is formed in one end, far away from the first bag, of the first pipe body, and the inner diameter and the outer diameter of the first pipe body are gradually increased along the direction from the first sleeve hole to the first bag.
Further, the pulling and moving device further comprises a pressing and moving part, the pressing and moving part is arranged on one side, away from the first bag, of the second bag, a second sleeve hole is formed in the pressing and moving part, and the second sleeve hole is sleeved on the extraction pipe;
the outer side wall of the first pipe body is provided with a rolling shaft, and the tail end of the steel wire rope bypasses the rolling shaft and is fixedly connected with the pressure moving part.
Further, the pressure moving part comprises a second pipe body, the second trepan boring is located at one end, far away from the second bag, of the second pipe body, and the inner diameter and the outer diameter of the second pipe body are gradually increased along the direction from the second trepan boring to the second bag.
Furthermore, two rolling shafts are arranged on the outer wall of the first pipe body and are symmetrically arranged on two sides of the extraction pipe.
Furthermore, the pulling and moving device further comprises a driving part, wherein the driving part is connected with the steel wire rope and pulls the steel wire rope to drive the first bag and the second bag to move oppositely.
Furthermore, a one-way check valve is arranged on the grouting pipe between the second bag and the slurry supply pipeline.
Furthermore, the tail end of the grouting pipe is blocked by a plug, and a first grouting opening for grouting the first bag is formed in the pipe wall of the grouting pipe.
Furthermore, a second grouting opening for grouting the second bag is formed in the grouting pipe, and one-way valves are arranged on the second grouting opening and the first grouting opening.
The utility model provides a slip casting hole packer is through setting up first bag, second bag, taking out and adopt pipe, slip casting pipe and drawing and moving the device. One end of the grouting pipe penetrates through the second bag and is inserted into the first bag, a blasting valve is arranged on the grouting pipe between the first bag and the second bag, and the extraction pipe penetrates through the first bag and the second bag and extracts the gas to be extracted. The pulling and moving device is connected with the first bag and pulls the first bag to move towards the direction close to the second bag. The grouting pipe is used for grouting to enable the first bag, the second bag and the space between the first bag and the second bag to be filled with slurry, the pulling and moving device pulls the first bag to move towards the second bag, gas in the first bag and the second bag is extruded to enter the grouting pipe, the slurry is extruded to be more full, the extraction holes are completely blocked, the external gas is prevented from entering the blocked extraction holes, therefore, the gas extraction concentration is improved, and the extraction efficiency is improved.
Drawings
The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a grouting hole packer according to an embodiment of the present invention;
3 fig. 3 2 3 is 3 a 3 schematic 3 view 3 of 3 fig. 3 1 3 taken 3 along 3 a 3- 3 a 3. 3
Detailed Description
The present invention will be described in detail with reference to the following examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic structural diagram of a grouting hole packer according to an embodiment of the present invention. As shown in fig. 1 and 2, the utility model provides a slip casting hole packer, include: the device comprises a first bag 11, a second bag 5, an extraction pipe 9, a grouting pipe 6 and a pulling and moving device 16.
The first pocket 11 and the second pocket 5 are spaced apart. The first bag 11 is positioned in the depth of the extraction hole, namely is far away from the opening of the extraction hole; the second bag 5 is close to the opening of the extraction hole.
In the present invention, the first bag 11 and the second bag 5 are made of soft waterproof material, for example, polyvinyl chloride material.
One end of the grouting pipe 6 penetrates through the second bag 5 and is inserted into the first bag 11 to respectively grout the first bag 11 and the second bag 5, and the grouting pipe 6 between the first bag 11 and the second bag 5 is provided with an explosion valve 8.
The utility model discloses in, it has two first mounting holes so that the slip casting pipe passes second bag 5 to open on the second bag 5, it has a first mounting hole so that slip casting pipe 6 inserts in first bag 11 to open on the first bag 11, back in slip casting pipe 6 inserts first bag 11, first mounting hole and slip casting pipe 6 sealing connection on first bag 11 and the second bag 5 prevent when the slip casting to first bag 11 and second bag 5, the thick liquid flows out from the hole and the gap of slip casting pipe 6. The slip casting pipe 6 is made of telescopic aluminum.
The extraction pipe 9 penetrates through the first bag 11 and the second bag 5 and is used for extracting gas to be extracted.
The utility model discloses in, all open two second mounting holes on second bag 5 and the first bag 11 so that take out and adopt pipe 9 and pass first bag 11 and second bag 5, the second mounting hole on first bag 11 and the second bag 5 with take out and adopt pipe 9 sealing connection, prevent when the slip casting to first bag 11 and second bag 5, the thick liquid flows out from the hole and take out and adopt the gap of pipe 9. The extraction pipe 9 is made of telescopic aluminum.
The pulling device 16 is connected to the first sachet 11 and pulls the first sachet 11 towards the second sachet 5.
In one embodiment of the present invention, the pulling and moving device 16 is a rope. The rope passes through the second bag 5 and the inner wall of the extraction hole, and is connected with the first bag 11 in a fastening manner.
And (3) assembling a grouting hole packer outside the extraction hole, namely inserting the grouting pipe 6 into the first bag 11 through the second bag 5, installing a blasting valve on the grouting pipe between the first bag 11 and the second bag 5, sequentially penetrating the extraction pipe 9 through the first bag 11 and the second bag 5, and connecting the pulling device 16 with the first bag 11. And (3) placing the installed grouting hole packer into an extraction hole, starting grouting work by a grouting pipe, filling the first bag 11 and the second bag 5 with slurry, opening the explosion valve 8 after the grouting pipe reaches a preset pressure, and starting grouting the extraction hole between the first bag 11 and the second bag 5.
When the grouting pressure reaches a preset value, grouting is stopped, gas exists in the first bag 11 and the second bag 5 due to small grouting pressure, and the first bag 11 and the second bag 5 cannot be completely filled with slurry, so that the first bag 11 and the second bag 5 cannot be completely attached to the inner wall of the extraction hole, and the extraction hole is incompletely sealed. After grouting stops, before grout is not solidified, the pulling and moving device 16 drives the first bag 11 to move towards the direction of the second bag 5, meanwhile, the first bag 11 is extruded, gas in the first bag 11 enters the grouting pipe from the first grouting opening, the first bag 11 extrudes the grout between the first bag 11 and the second bag 5 so as to extrude the second bag 5, gas in the second bag 5 enters the grouting pipe from the second grouting opening, so that the gas in the first bag 11 and the second bag 5 disappears, the first bag 11 and the second bag 5 are completely attached to the wall of the extraction hole, and the extraction hole is completely sealed.
The utility model provides a slip casting hole packer is through setting up first bag, second bag, taking out and adopt pipe, slip casting pipe and drawing and moving the device. One end of the grouting pipe penetrates through the second bag and is inserted into the first bag, a blasting valve is arranged on the grouting pipe between the first bag and the second bag, and the extraction pipe penetrates through the first bag and the second bag and extracts the gas to be extracted. The pulling and moving device is connected with the first bag and pulls the first bag to move towards the direction close to the second bag. The grouting pipe is used for grouting to enable the first bag, the second bag and the space between the first bag and the second bag to be filled with slurry, the pulling and moving device pulls the first bag to move towards the second bag, gas in the first bag and the second bag is extruded to enter the grouting pipe, the slurry is extruded to be more full, the extraction holes are completely blocked, the external gas is prevented from entering the blocked extraction holes, therefore, the gas extraction concentration is improved, and the extraction efficiency is improved.
Further, the pulling and moving device 16 comprises a support part and a steel wire rope 7.
The supporting part is arranged on one side, away from the second bag 11, of the first bag 5, a first sleeve hole 10 is formed in the supporting part, and the extraction pipe 9 is sleeved with the first sleeve hole 10.
As shown in fig. 1, the supporting portion is under the first pocket 11, and in the present invention, in fig. 1, the right side of the second pocket 5 is "lower" and the left side of the first pocket 11 is "upper".
The steel wire rope 7 is connected with the supporting part and pulls the supporting part to drive the first bag 11 to move towards the direction close to the second bag 5.
By providing the pull away device 16 as a support and wire 7, the wire 7 is prevented from being directly connected to the first sachet 11, which is torn during the pulling away and from which the slurry flows out of the first sachet 11.
The utility model discloses in, the supporting part can be a circular slab, and the diameter of circular slab slightly is less than the diameter of taking out the drainage hole, is provided with the through-hole on the border of circular slab, and wire rope passes from first bag 11, second bag 5 and the clearance of taking out the drainage hole pore wall, and the system is detained on the through-hole of circular slab. The steel wire rope 7 is pulled at the orifice of the extraction hole, so that the circular plate is in close contact with the first bag 11, the first bag 11 is driven to move towards the second bag 5, the distance between the first bag 11 and the second bag 5 is shortened, and therefore the gas in the first bag 11 and the gas in the second bag 5 are extruded, and the gas enters the grouting pipe from the first grouting opening and the second grouting opening.
Further, the support portion includes a first tube 13, the first sleeve hole 10 is located at an end of the first tube 13 far away from the first bag 11, and both the inner diameter and the outer diameter of the first tube 13 are gradually increased along the direction from the first sleeve hole 10 to the first bag 11. The contact area of the first pipe body 13 and the first bag 11 is large, so that the traction force on the first bag 11 is uniform, and the first bag 11 is prevented from being damaged by deformation and damage caused by overlarge tension on the contact part of the first pipe body 13 and the steel wire rope in the pulling and moving process, so that the slurry flows out of the first bag 11.
In the present invention, the first tube 13 is a trumpet, and the opening direction is toward the first bag 11, as shown in fig. 1.
Further, the pulling and moving device further comprises a pressing and moving part, the pressing and moving part is arranged on one side, away from the first bag 11, of the second bag 5, a second sleeve hole 4 is formed in the pressing and moving part, and the second sleeve hole 4 is sleeved on the extraction pipe 6. The pressure moving part blocks the second bag 5 from moving towards the direction of the hole opening of the extraction hole.
When the first bag 11 moves towards the second bag 5, the second bag 5 is given a force to move towards the orifice direction of the extraction hole, the pressure moving part stops the second bag 5 from moving towards the orifice direction of the extraction hole, the force to move towards the first bag 11 is given to the second bag 5, so that the second bag 5 is extruded, gas of the second bag 5 enters the grouting pipe 6, slurry in the second bag 5 is filled more compactly, the second bag 5 is completely attached to the hole wall of the extraction hole, and the extraction hole is blocked more completely.
The utility model discloses in, press the portion of moving can be the circular slab, the diameter of circular slab slightly is less than the diameter of taking out the drainage hole, and one side in close contact with of circular slab and second bag 5 is shown in figure 2.
A roller 14 is arranged on the outer side wall of the first pipe body 13, and the tail end of the steel wire rope 7 bypasses the roller 14 and is fixedly connected with the pressure moving part. The roller 14 facilitates the wire rope 7 to pass around the first pipe body 13, and is convenient to install.
In an embodiment of the present invention, the roller 14 is installed outside the first pipe 13 and can roll around the axis of the roller. The wire rope 7 is wound around the rolling shaft and buckled on the pressing and moving part, and the first pipe body 13 is connected with the pressing and moving part. When the steel wire rope 7 is pulled at the orifice of the extraction hole, the steel wire rope 7 pulls the first pipe body 13 to move towards the second bag 5, and meanwhile the steel wire rope 7 pulls the moving part to move towards the first bag 11, so that the first bag 11 and the second bag 5 are driven to move in opposite directions, the extrusion time can be saved, and the extrusion efficiency is improved.
Further, the pressing part comprises a second tube 15, the second sleeve hole 4 is located at one end of the second tube 15 far away from the second bag 5, and the inner diameter and the outer diameter of the second tube 15 are gradually increased along the direction from the second sleeve hole 4 to the second bag 5. The contact area of the second pipe body 15 and the second bag 5 is large, so that the traction force applied to the second bag 5 is uniform, and the second pipe body 15 is prevented from being deformed and damaged by overlarge tension applied to the contact part of the second pipe body 15 and the steel wire rope in the pulling and moving process, so that the second bag 5 is damaged, and the slurry flows out of the first bag 11.
In the present invention, the second tube 15 has the same size as the first tube 13, and the opening direction of the second tube 15 faces the second pouch 5, as shown in fig. 1.
Further, two rollers 14 are arranged on the outer wall of the first pipe body 13, and the two rollers 14 are located on two opposite sides of the extraction pipe 9. By means of the two rollers, the steel wire rope 13 is pulled at the same time, so that the first bag 11 is pulled more, and the movement is more convenient.
The utility model discloses in, two the roller bearing 14 is symmetrical about adopting tub 9, as shown in fig. 1, makes the first body 13 the institute pull power even like this.
Further, the pulling and moving device 16 further comprises a driving motor 1, the driving motor 1 is located at the position of the hole of the extraction hole, the driving motor 1 is connected with the steel wire rope 7, and pulls the steel wire rope 7 to drive the first bag 11 and the second bag 5 to move oppositely.
The utility model discloses in, driving motor 1 can adopt step motor.
Further, a one-way check valve 2 is arranged on the grouting pipe 6 between the second bag 5 and the slurry supply pipeline, so that slurry is prevented from flowing back in the grouting pipe.
Furthermore, the end of the grouting pipe 6 is blocked by a plug 12, and a first grouting opening for grouting the first bag 11 is formed in the pipe wall of the grouting pipe 6. The plug 12 can ensure the pressure in the grouting pipe 6, so that the grout is filled more compactly.
Furthermore, a second grouting opening for grouting the second bag 5 is formed in the grouting pipe 6, and one-way check valves 2 are arranged on the second grouting opening and the first grouting opening, so that the grout is prevented from flowing back in the grouting pipe after grouting is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A grouting hole packer, comprising: the device comprises a first bag, a second bag, an extraction pipe, a grouting pipe and a pulling and moving device;
the first bag and the second bag are arranged at intervals;
one end of the grouting pipe penetrates through the second bag, is inserted into the first bag, and is used for grouting to the first bag and the second bag respectively, and a blasting valve is arranged on the grouting pipe between the first bag and the second bag;
the extraction pipe penetrates through the first bag and the second bag and is used for extracting gas to be extracted;
the pulling and moving device is connected with the first bag and pulls the first bag to move towards the direction close to the second bag.
2. The grouting hole packer according to claim 1, wherein the pulling and moving device comprises a support and a wire rope;
the supporting part is arranged on one side, away from the second bag, of the first bag, a first sleeve hole is formed in the supporting part, and the first sleeve hole is sleeved on the extraction pipe;
the steel wire rope is connected with the supporting part and pulls the supporting part to drive the first bag to move towards the direction close to the second bag.
3. The grouting hole packer of claim 2, wherein the support comprises a first tube, the first sleeve being located on an end of the first tube remote from the first bladder, the first tube having an inner diameter and an outer diameter that both increase in a direction from the first sleeve to the first bladder.
4. The grouting hole packer according to claim 3, wherein the pulling device further comprises a pressing and moving part, the pressing and moving part is arranged on one side of the second bag, which is far away from the first bag, a second sleeve hole is arranged on the pressing and moving part, and the second sleeve hole is sleeved on the extraction pipe;
the outer side wall of the first pipe body is provided with a rolling shaft, and the tail end of the steel wire rope bypasses the rolling shaft and is fixedly connected with the pressure moving part.
5. A grouting packer as claimed in claim 4, characterised in that the constriction comprises a second tube, the second trepan being located at an end of the second tube remote from the second pocket, the second tube having an internal and external diameter which both increase progressively in the direction from the second trepan to the second pocket.
6. The grouting hole packer according to claim 5, wherein two rollers are arranged on the outer wall of the first pipe body, and the two rollers are symmetrically arranged on two sides of the extraction pipe.
7. The grouting hole packer according to claim 6, wherein the pulling device further comprises a driving part, the driving part is connected with the steel wire rope and pulls the steel wire rope to drive the first bag and the second bag to move towards each other.
8. The grouting hole packer according to claim 7, wherein a one-way check valve is arranged on the grouting pipe between the second bladder and the grout supply pipeline.
9. The grouting hole packer according to claim 8, wherein the end of the grouting pipe is plugged by a plug, and a first grouting opening for grouting the first bag is formed in the pipe wall of the grouting pipe.
10. The grouting hole packer according to any one of claims 1 to 9, wherein the grouting pipe is provided with a second grouting port for grouting the second bag, and the second grouting port and the first grouting port are provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020002948.1U CN211598596U (en) | 2020-01-02 | 2020-01-02 | Grouting hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020002948.1U CN211598596U (en) | 2020-01-02 | 2020-01-02 | Grouting hole packer |
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| Publication Number | Publication Date |
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| CN211598596U true CN211598596U (en) | 2020-09-29 |
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| CN202020002948.1U Active CN211598596U (en) | 2020-01-02 | 2020-01-02 | Grouting hole packer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943197A (en) * | 2021-02-05 | 2021-06-11 | 义煤集团宜阳义络煤业有限责任公司 | Water injection system and method for coal face depth combined water injection hole |
| CN114251073A (en) * | 2021-12-27 | 2022-03-29 | 晋城蓝焰煤业股份有限公司成庄矿 | Variable-diameter bag type mining grouting hole sealing device and method |
| CN115596388A (en) * | 2022-12-14 | 2023-01-13 | 太原理工大学（Cn） | Propelling equipment for underground coal rock stratum hydraulic fracturing hole packer and using method thereof |
-
2020
- 2020-01-02 CN CN202020002948.1U patent/CN211598596U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943197A (en) * | 2021-02-05 | 2021-06-11 | 义煤集团宜阳义络煤业有限责任公司 | Water injection system and method for coal face depth combined water injection hole |
| CN112943197B (en) * | 2021-02-05 | 2023-02-28 | 义煤集团宜阳义络煤业有限责任公司 | Water injection system and method for coal face depth combined water injection hole |
| CN114251073A (en) * | 2021-12-27 | 2022-03-29 | 晋城蓝焰煤业股份有限公司成庄矿 | Variable-diameter bag type mining grouting hole sealing device and method |
| CN114251073B (en) * | 2021-12-27 | 2023-09-08 | 晋城蓝焰煤业股份有限公司成庄矿 | Variable-diameter bag type mining grouting hole sealing device and method |
| CN115596388A (en) * | 2022-12-14 | 2023-01-13 | 太原理工大学（Cn） | Propelling equipment for underground coal rock stratum hydraulic fracturing hole packer and using method thereof |
| CN115596388B (en) * | 2022-12-14 | 2023-03-24 | 太原理工大学 | Propelling equipment for underground coal rock stratum hydraulic fracturing hole packer and using method thereof |
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