CN210370586U - Water outlet elevation drilling and grouting water stopping device - Google Patents

Water outlet elevation drilling and grouting water stopping device Download PDF

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Publication number
CN210370586U
CN210370586U CN201920778484.0U CN201920778484U CN210370586U CN 210370586 U CN210370586 U CN 210370586U CN 201920778484 U CN201920778484 U CN 201920778484U CN 210370586 U CN210370586 U CN 210370586U
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China
Prior art keywords
hole
sleeve
pipe
flange
grouting
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CN201920778484.0U
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Chinese (zh)
Inventor
王明亮
曹德坤
张铁民
王峰
孙照引
赵飞
徐正忠
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Xuzhou Datun Engineering Consulting Co ltd
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Xuzhou Datun Engineering Consulting Co ltd
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Priority to CN201920778484.0U priority Critical patent/CN210370586U/en
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Abstract

The utility model discloses a go out water elevation angle drilling slip casting stagnant water device, including the hole body, wherein one end of hole body sets up the reducing hole body, the diameter of reducing hole body is less than the diameter of hole body, be provided with sleeve pipe one in the hole body, sleeve pipe one is located the one end in the hole body and reducing hole body butt, sleeve pipe one is located the one end of hole body outside and is provided with flange one, be provided with sleeve pipe two in the sleeve pipe one, the diameter of sleeve pipe two is less than the diameter of reducing hole body, the end of sleeve pipe two extends to reducing hole body inside, the sleeve pipe two is located the one end of sleeve pipe one outside and is provided with flange two, be connected with valve three on the flange two; the bottom of the pipe body at the end, provided with the flange I, of the sleeve I is provided with a first grouting pipe, the top and the bottom of the sleeve II between the flange I and the flange II are correspondingly provided with a pressure gauge and a second grouting pipe, and the first grouting pipe and the second grouting pipe are correspondingly provided with a first valve and a second valve. The hole wall of the elevation hole body is sealed and sealed through the double-layer sleeve, the water sealing quality is improved, and the construction efficiency is greatly improved.

Description

Water outlet elevation drilling and grouting water stopping device
Technical Field
The utility model relates to a go out water elevation angle drilling slip casting watertight fittings belongs to mine water shutoff device field.
Background
In the prior art, in the process of drilling construction, except that vertical drilling construction and negative inclination drilling are closed in a positive circulation mode, the problem that sealing materials are difficult to store in the drilling hole exists in the closing of the elevation drilling. According to the traditional sealing operation process, solid materials are mainly blocked at the orifice of a drill hole, then cement slurry is injected from the sleeve, and the drill hole is drilled again and cleaned after the cement slurry is solidified, wherein the minimum time of one-time sealing is 72 hours generally; the method has the problems that the cement paste material is long in solidification time, the drill hole is often sealed incompletely due to the air chamber, the phenomenon of poor sealing exists in serious cases and one-time sealing fails sometimes because the solid material at the hole opening blocks the drill hole, and particularly in the water exploration and drainage drilling construction of mines, potential safety hazards are left for the water exploration and drainage engineering, particularly the water exploration and drainage engineering under high pressure water, because the sealing quality of the elevation angle drill hole is poor and the compressive strength is low after the casing is solidified. In the grouting water plugging drill hole, because the sealing quality is poor, the water gushing phenomenon around the drill hole and the compression strength after the sleeve is sealed are low, and the phenomenon that the sleeve is pulled out in the grouting process is more. Therefore, great difficulty is brought to the construction of grouting and water plugging.
According to the patent technical document with the publication number of CN 101979820B, a process for sealing the elevation drilling water-stopping sleeve is provided, the problem that the elevation drilling sleeve cannot be centered in a drill hole is solved, the problem that the sleeve is pulled out due to high pressure bearing in grouting is solved, the problem that the orifice of the sleeve cannot stop water quickly is solved, the problem that the annular gap of the drill hole cannot be completely sealed due to the existence of compressed air in the drill hole is solved, and the effect of checking whether the sealing is complete is achieved; the casing sealing quality is improved, grouting sealing materials are saved, the workload of re-drilling in the casing is avoided, the casing sealing time is greatly shortened, compared with the traditional single-liquid cement slurry sealing, the casing sealing method can reduce 70 hours each time, the difficult problem of water seepage or water inrush of surrounding rock cracks around the drill hole is solved, and the effect of reinforcing the surrounding rock and enhancing the compressive strength of the surrounding rock is achieved; the technical scheme solves the problems of water seepage and water burst to a certain extent, but has certain construction difficulty, and a simpler and more effective water stopping device is needed in order to simplify the construction method and provide a stable construction environment.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides a go out water angle of elevation drilling slip casting stagnant water device seals stagnant water through double-deck sleeve pipe to angle of elevation hole body pore wall department, has improved stagnant water quality and very big improvement the efficiency of construction.
The utility model discloses the technical scheme who adopts does:
a drilling grouting water stopping device at a water outlet elevation angle comprises a hole body, wherein a reducing hole body is arranged at one end of the hole body, the diameter of the reducing hole body is smaller than that of the hole body, a first sleeve is arranged in the hole body, one end, located in the hole body, of the first sleeve is abutted to the reducing hole body, a first flange is arranged at one end, located outside the hole body, of the first sleeve, a second sleeve is arranged in the first sleeve, the diameter of the second sleeve is smaller than that of the reducing hole body, the tail end of the second sleeve extends into the reducing hole body, a second flange is arranged at one end, located outside the first sleeve, of the second sleeve, and a third valve is connected to the second flange; the bottom of the pipe body at the end, provided with the flange I, of the sleeve I is provided with a first grouting pipe, the top and the bottom of the sleeve II between the flange I and the flange II are respectively and correspondingly provided with a pressure gauge and a second grouting pipe, and the first grouting pipe and the second grouting pipe are respectively and correspondingly provided with a valve I and a valve II.
Preferably, the gap formed between the tube body and the first sleeve is further filled with a sealant.
Preferably, a fourth valve is arranged on a connecting pipe between the pressure gauge and the second sleeve.
The beneficial effects of the utility model reside in that:
the sleeve I and the sleeve II are matched for use, the hole wall of the elevation hole body is sealed and sealed, the water sealing quality is improved, and the construction efficiency is greatly improved; and the device is simple to operate and low in construction difficulty.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the main reference numerals in the figures have the following meanings:
1. the device comprises a first sleeve, a second sleeve, a third sleeve, a fourth valve, a fifth valve, a sixth valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1: the embodiment is a drilling grouting water stopping device at a water outlet elevation angle, which comprises a hole body 13, wherein one end of the hole body 13 is provided with a reducing hole body 14, the diameter of the reducing hole body 14 is smaller than that of the hole body 13, a sleeve pipe I1 is arranged in the hole body 13, one end, located in the hole body 13, of the sleeve pipe I1 is abutted to the reducing hole body 14, one end, located outside the hole body 13, of the sleeve pipe I1 is provided with a flange I7, a sleeve pipe II 2 is arranged in the sleeve pipe I1, the diameter of the sleeve pipe II 2 is smaller than that of the reducing hole body 14, the tail end of the sleeve pipe II 2 extends into the reducing hole body 14, one end, located outside the sleeve pipe I1, of the sleeve pipe II 2 is provided with a flange II 6, and; the bottom of the pipe body at one end of the first sleeve 1, which is provided with the first flange 7, is provided with the first grouting pipe 4, the top and the bottom of the second sleeve 2, which is arranged between the first flange 7 and the second flange 6, are respectively and correspondingly provided with the pressure gauge 8 and the second grouting pipe 11, and the first grouting pipe 4 and the second grouting pipe 11 are respectively and correspondingly provided with the first valve 5 and the second valve 10.
In this embodiment, a sealing agent is further filled in a gap formed between the hole body 13 and the first sleeve 1.
In this embodiment, a fourth valve 3 is disposed on the connection pipe between the pressure gauge 8 and the second sleeve 2.
In practical application in the technical field, the hole body 13 and the reducing hole body 14 are holes formed in the rock during engineering construction, and the tail end of the reducing hole body 14 is in a closed state;
the utility model discloses when using, be encapsulated situation between the flange mouth of flange one 7 and the sleeve pipe two 2, then to slip casting in the clearance between sleeve pipe two 2 and sleeve pipe 1 and sleeve pipe two 2 and the reducing hole body 14, concrete operation process is: opening the first valve 5 and the third valve 9, starting a grouting pump to perform grouting through the first grouting pipe 4, because the hole body 13 and the reducing hole body 14 are in an elevation angle state, when grout flows out of the third valve 9, indicating that the gaps between the second sleeve 2 and the first sleeve 1 and between the second sleeve 2 and the reducing hole body 14 are filled with grout, closing the third valve 9, simultaneously opening the second valve 10, adjusting the pressure of the grouting pump to be larger than the pressure value displayed on the pressure gauge 8, continuing grouting through the first grouting pipe 4, and when the measured amount of the used grout reaches the calculated amount, the size of the valve 10 is adjusted and the numerical value of the pressure gauge of the grouting pump is adjusted to be consistent with the pressure numerical value displayed on the pressure gauge 8, and keeping the pressure of the dynamic slurry in the hole body balanced with the pressure of the externally supplied slurry, closing the valve II 10 and the valve I5, closing the grouting pump, stopping grouting, and waiting for cement solidification.
In this example, the slurry is cement slurry.
In summary, the water outlet elevation angle drilling and grouting water stopping device provided by the utility model adopts the cooperation of the sleeve I and the sleeve II to seal and stop water at the hole wall of the elevation angle hole body, thereby improving the water stopping quality and greatly improving the construction efficiency; and the device is simple to operate and low in construction difficulty.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. The utility model provides a go out water elevation drilling slip casting sealing device which characterized in that: the hole structure comprises a hole body (13), wherein one end of the hole body (13) is provided with a reducing hole body (14), the diameter of the reducing hole body (14) is smaller than that of the hole body (13), a first sleeve (1) is arranged in the hole body (13), one end, located in the hole body (13), of the first sleeve (1) is abutted to the reducing hole body (14), one end, located outside the hole body (13), of the first sleeve (1) is provided with a first flange (7), a second sleeve (2) is arranged in the first sleeve (1), the diameter of the second sleeve (2) is smaller than that of the reducing hole body (14), the tail end of the second sleeve (2) extends into the reducing hole body (14), one end, located outside the first sleeve (1), of the second sleeve (2) is provided with a second flange (6), and the second flange (6) is connected with a third valve (9); the bottom of the pipe body at one end of the first sleeve (1) provided with the first flange (7) is provided with a first grouting pipe (4), the top and the bottom of the second sleeve (2) between the first flange (7) and the second flange (6) are respectively and correspondingly provided with a pressure gauge (8) and a second grouting pipe (11), and the first grouting pipe (4) and the second grouting pipe (11) are respectively and correspondingly provided with a first valve (5) and a second valve (10).
2. The water stopping device for drilling and grouting at an outlet elevation angle according to claim 1, characterized in that a gap formed between the hole body (13) and the first sleeve (1) is filled with a sealing agent.
3. The water stop device for drilling and grouting at an outlet elevation angle according to claim 1, wherein a valve IV (3) is arranged on a connecting pipe between the pressure gauge (8) and the second sleeve (2).
CN201920778484.0U 2019-05-28 2019-05-28 Water outlet elevation drilling and grouting water stopping device Active CN210370586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920778484.0U CN210370586U (en) 2019-05-28 2019-05-28 Water outlet elevation drilling and grouting water stopping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920778484.0U CN210370586U (en) 2019-05-28 2019-05-28 Water outlet elevation drilling and grouting water stopping device

Publications (1)

Publication Number Publication Date
CN210370586U true CN210370586U (en) 2020-04-21

Family

ID=70262635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920778484.0U Active CN210370586U (en) 2019-05-28 2019-05-28 Water outlet elevation drilling and grouting water stopping device

Country Status (1)

Country Link
CN (1) CN210370586U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809628A (en) * 2020-08-07 2020-10-23 华东交通大学 Omnibearing high-pressure jet water stop structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809628A (en) * 2020-08-07 2020-10-23 华东交通大学 Omnibearing high-pressure jet water stop structure and construction method

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