CN210459180U - Grouting sleeve valve pipe device for reinforcing interval ground - Google Patents
Grouting sleeve valve pipe device for reinforcing interval ground Download PDFInfo
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- CN210459180U CN210459180U CN201920971097.9U CN201920971097U CN210459180U CN 210459180 U CN210459180 U CN 210459180U CN 201920971097 U CN201920971097 U CN 201920971097U CN 210459180 U CN210459180 U CN 210459180U
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Abstract
The utility model belongs to the technical field of geotechnical engineering grouting, in particular to a grouting sleeve valve pipe device for interval ground reinforcement, which comprises a first grouting machine and a second grouting machine which are connected with a sleeve valve pipe, wherein the sleeve valve pipe adopts a sleeved inner pipe and outer pipe double-pipe type, the upper ends of the inner pipe and the outer pipe are connected through an inner pipe connector and an outer pipe connector which are arranged in a sealing way, an inner pipe solution connector is connected with the first grouting machine through a pipeline, an inner pipe control valve is arranged between the inner pipe solution connector and the inner pipe connector and the outer pipe connector on the inner pipe, an outer pipe solution connector is connected with the second grouting machine through a pipeline, an outer pipe control valve is also arranged on a branch pipe, an inner pipe guniting port and an outer pipe guniting port are correspondingly arranged at the lower ends of the inner pipe and the outer pipe wall through the pipe walls, two grouting solutions are respectively grouted and then diffused around after being mixed at, the diffusion time of the mixed slurry is ensured, the requirement of the diffusion grouting range is met, and a better grouting reinforcement effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering slip casting, specifically relate to an interval ground is consolidated and is used slip casting sleeve valve pipe device.
Background
A relatively advanced grouting construction process is provided by French Soletanoche basic engineering company in the 50 th century, China carries out a series of researches and developments after the introduction, and the technology is called sleeve valve pipe grouting technology, because sleeve valve pipe grouting method can carry out depth setting, quantification, degree setting, section setting, intermittence and repeated grouting, the advantages of compaction grouting, infiltration grouting and split grouting are concentrated, and the technology is widely applied to civil engineering circles at home and abroad.
Traditionally, when ground is reinforced, sleeve valve pipe double-liquid grouting is adopted, two different solutions (water glass solution and cement slurry solution) are mixed in a grouting orifice according to the proportion of 1:1, the two solutions flow downwards through a grouting pipe and diffuse around after being mixed in the grouting orifice, and the two solutions are limited by the solidification time of the mixed solution and the diffusion range because the solidification time of the two solutions after being mixed is about 30 s; in order to ensure the effective diffusion range of the mixed solution, the mixing time before the two solutions are diffused needs to be shortened as much as possible, and a grouting sleeve valve pipe device for interval ground reinforcement needs to be designed to meet the requirement of the diffusion grouting range.
Disclosure of Invention
In order to solve the problem in the background art, the utility model discloses an interval ground is consolidated and is used slip casting sleeve valve pipe device, including inner tube, the outer tube that the cover was established, be provided with the grout spraying mouth respectively at inner tube, outer tube lower extreme, two kinds of slip casting liquid pass through independent pipeline slip casting respectively, finally mix the back diffusion in outer tube bottom, mixing time is short, and diffusion range is wide.
In order to achieve the above purpose, the present invention adopts the following technical solutions:
a grouting sleeve valve pipe device for reinforcing the interval ground comprises a first grouting machine and a second grouting machine which are connected with a sleeve valve pipe, wherein the sleeve valve pipe comprises an inner pipe and an outer pipe which are vertically arranged, the inner pipe and the outer pipe are both of hollow tubular structures with sealed bottoms, the inner pipe is inserted in the outer pipe, a gap is formed between the outer side wall of the inner pipe and the inner side wall of the outer pipe for allowing slurry to pass through, the upper ends of the inner pipe and the outer pipe are connected through an inner pipe connector and an outer pipe connector which are arranged in a sealing manner, the upper end of the inner pipe penetrates through the inner pipe connector and the outer pipe connector and then extends upwards to form an inner pipe solution connector, the inner pipe solution connector is connected with the first grouting machine through a pipeline, an inner pipe control valve is arranged on the inner pipe between the inner pipe solution connector and the inner pipe connector, a branch pipe is vertically arranged on the outer pipe, the outer pipe solution interface is connected with the second grouting machine through a pipeline, an outer pipe control valve is further arranged on the branch pipe, a plurality of inner pipe guniting ports are formed in the lower end of the pipe wall of the inner pipe in a penetrating mode at intervals on the pipe wall of the inner pipe, and a plurality of outer pipe guniting ports are formed in the lower end of the pipe wall of the outer pipe in a penetrating mode at intervals on the pipe wall of the.
Further, the interior outer tube connector is of an annular structure, a through hole is formed in the middle of the interior outer tube connector, the interior outer tube connector is buckled on the upper opening edge of the outer tube and is connected with the outer tube through threads, the inner tube is arranged in the through hole of the interior outer tube connector in a penetrating mode, and annular sealing devices are arranged between the contact surfaces of the interior outer tube connector and the inner tube and between the contact surfaces of the interior outer tube connector and the outer tube respectively.
Furthermore, the position of the inner pipe grout-spraying opening corresponds to the position of the outer pipe grout-spraying opening.
Furthermore, the inner pipe guniting port and the outer pipe guniting port are distributed in a plum blossom shape.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model provides a sleeve valve pipe device adopts the inner tube, the outer tube double-barrelled form that the cover was established, is provided with the grout spraying mouth respectively at inner tube, outer tube lower extreme, and two kinds of slip casting solutions are through independent pipeline slip casting respectively, and two kinds of slip casting solutions are erupted from inner tube, outer tube lower extreme grout spraying mouth respectively and are mixed back and spread all around, effectively shorten the mixing time before two kinds of solution diffusion, ensure mixed back thick liquid diffusion time, satisfy the requirement of diffusion slip casting scope, reach better slip casting and consolidate the effect.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
in the above figures: 1-inner tube solution interface; 2-an inner tube control valve; 3-inner and outer pipe joints; 4-an outer tube control valve; 5-outer tube solution interface; 6-inner tube; 7-an outer tube; 8-inner pipe guniting port; 9-outer pipe guniting port; 10-outer lumen; 11-inner lumen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The grouting sleeve valve pipe device for reinforcing the interval ground comprises a first grouting machine and a second grouting machine which are connected with a sleeve valve pipe, the sleeve valve pipe comprises an inner pipe 6 and an outer pipe 7 which are vertically arranged, the inner pipe 6 and the outer pipe 7 are both of hollow tubular structures with closed bottom ports, the inner pipe 6 is inserted in the outer pipe 7, a gap is arranged between the outer side wall of the inner pipe 6 and the inner side wall of the outer pipe 7 for passing through slurry, the upper ends of the inner pipe 6 and the outer pipe 7 are connected through an inner pipe connector 3 which is hermetically arranged, the upper end of the inner pipe 6 passes through the inner pipe connector 3 and extends upwards to form an inner pipe solution interface 1, the inner pipe solution interface 1 is connected with the first grouting machine through a pipeline, an inner pipe control valve 2 is arranged between the inner pipe solution interface 1 and the inner pipe connector 3 on the inner pipe 6, a branch pipe is vertically arranged at the upper end of the side wall of the outer pipe, the pipe cavity of the branch pipe is communicated with an outer pipe cavity 10, one end of the branch pipe, which is far away from the pipe body of an outer pipe 7, extends outwards to form an outer pipe solution interface 5, the outer pipe solution interface 5 is connected with a second grouting machine through a pipeline, an outer pipe control valve 4 is also arranged on the branch pipe, a plurality of inner pipe grout spraying ports 8 are arranged at intervals at the lower end of the pipe wall of the inner pipe 6, a plurality of outer pipe grout spraying ports 9 are arranged at intervals at the lower end of the pipe wall of the outer pipe 7, the inner pipe grout spraying ports 8 and the outer pipe grout spraying ports 9 are distributed in a plum blossom shape, the position of the inner pipe grout spraying port 8 corresponds to the position of the outer pipe grout spraying port 9, two solutions are required to be injected when ground reinforcement is carried out, one solution passes through the first grouting machine, the inner pipe solution interface 1, the inner pipe cavity 11 and the inner pipe grout spraying ports 8 in sequence, the other, the solution sprayed from the inner tube guniting port 8 and the other solution sprayed from the outer tube guniting port 9 are mixed at the bottom of the outer tube cavity 10, and the mixed solution is diffused to the periphery.
Interior outer tube connector 3 is the loop configuration, 3 middle parts of interior outer tube connector are equipped with the through-hole, 3 locks of interior outer tube connector are on the last mouthful edge of outer tube 7 and are connected with outer tube 7 through the screw thread, inner tube 6 wears to establish in the through-hole of interior outer tube connector 3, between interior outer tube connector 3 and the 6 contact surfaces of inner tube, be provided with annular sealing device between interior outer tube connector 3 and the 7 contact surfaces of outer tube respectively, lumen 11 in the assurance, certain pressure has in the outer tube cavity 10.
The utility model discloses the working process is as follows:
firstly, vertically drilling a slurry retaining wall on a foundation, vertically extending an inner pipe 6 and an outer pipe 7 into the drill hole, enabling the inner pipe 6 and the outer pipe 7 to be positioned at the center of the drill hole, connecting an inner pipe solution connector 1 with a first grouting machine through a pipeline, connecting an outer pipe solution connector 5 with a second grouting machine through a pipeline, opening an inner pipe control valve 2 and an outer pipe control valve 4, starting the first grouting machine and the second grouting machine, mixing two solutions at the bottom of an outer pipe cavity 10 after being respectively sprayed out from an inner pipe spraying port 8 and an outer pipe spraying port 9, diffusing the mixed solutions to the periphery, shortening the mixing time before the two solutions are diffused, relatively prolonging the diffusion time of the mixed slurry, diffusing the mixed slurry before the mixed slurry is solidified, achieving a better grouting reinforcement effect, displaying according to the pressure on the first grouting machine and the second grouting machine, and reinforcing after finishing a section of grouting reinforcement work, and lifting the inner pipe 6 and the outer pipe 7 upwards for about 0.5 m, and continuing grouting reinforcement until grouting reinforcement is finally completed.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of description of the present invention and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the present invention should not be construed as being limited thereto, and it should be noted that the terms "mounted" and "connected" should be interpreted broadly, for example, as being able to be fixedly connected, detachably connected, or integrally formed, mechanically connected, or indirectly connected through an intermediate medium, and the specific meaning of the terms in the present application can be understood through specific situations.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an interval ground is consolidated and is used slip casting sleeve valve pipe device, includes first slip casting machine, the second slip casting machine of being connected with sleeve valve pipe, characterized by: the sleeve valve pipe comprises an inner pipe and an outer pipe which are vertically arranged, the inner pipe and the outer pipe are both hollow tubular structures with closed bottom ports, the inner pipe is inserted in the outer pipe, a gap is arranged between the outer side wall of the inner pipe and the inner side wall of the outer pipe for slurry to pass through, the upper ends of the inner pipe and the outer pipe are connected through an inner pipe connector and an outer pipe connector which are arranged in a sealing way, the upper end of the inner pipe penetrates through the inner pipe connector and the outer pipe connector and extends upwards to form an inner pipe solution connector, the inner pipe solution connector is connected with a first grouting machine through a pipeline, an inner pipe control valve is arranged between the inner pipe solution connector and the inner pipe connector on the inner pipe, a branch pipe is vertically arranged at the upper end of the outer pipe side wall and the outer pipe body, the pipe cavity of the branch pipe is communicated with the outer pipe cavity, one end of the branch pipe, which is far away from the, the lower end of the outer pipe wall is provided with a plurality of outer pipe guniting ports at intervals through the pipe wall.
2. The grouting sleeve valve pipe device for interval ground reinforcement according to claim 1, characterized in that: the inner and outer pipe connectors are of annular structures, a through hole is formed in the middle of the inner and outer pipe connectors, the inner and outer pipe connectors are buckled on the upper opening edge of the outer pipe and are connected with the outer pipe through threads, the inner pipe is arranged in the through hole of the inner and outer pipe connectors in a penetrating mode, and annular sealing devices are arranged between the inner and outer pipe connectors and the contact surface of the inner pipe and between the inner and outer pipe connectors and the contact surface of the outer pipe respectively.
3. The grouting sleeve valve pipe device for the interval ground reinforcement according to claim 1 or 2, characterized in that: the position of the inner pipe guniting port corresponds to the position of the outer pipe guniting port.
4. The grouting sleeve valve pipe device for the interval ground reinforcement according to claim 1 or 2, characterized in that: the inner pipe grout-spraying opening and the outer pipe grout-spraying opening are distributed in a plum blossom shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971097.9U CN210459180U (en) | 2019-06-26 | 2019-06-26 | Grouting sleeve valve pipe device for reinforcing interval ground |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920971097.9U CN210459180U (en) | 2019-06-26 | 2019-06-26 | Grouting sleeve valve pipe device for reinforcing interval ground |
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| CN210459180U true CN210459180U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920971097.9U Active CN210459180U (en) | 2019-06-26 | 2019-06-26 | Grouting sleeve valve pipe device for reinforcing interval ground |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047294A (en) * | 2021-05-17 | 2021-06-29 | 白求力 | Duplex-pipe type multifunctional grouting device and construction method thereof |
| CN116066152A (en) * | 2023-04-04 | 2023-05-05 | 华北有色工程勘察院有限公司 | Double-pipe grouting device for mine roadway |
-
2019
- 2019-06-26 CN CN201920971097.9U patent/CN210459180U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047294A (en) * | 2021-05-17 | 2021-06-29 | 白求力 | Duplex-pipe type multifunctional grouting device and construction method thereof |
| CN113047294B (en) * | 2021-05-17 | 2022-03-04 | 白求力 | Duplex-pipe type multifunctional grouting device and construction method thereof |
| CN116066152A (en) * | 2023-04-04 | 2023-05-05 | 华北有色工程勘察院有限公司 | Double-pipe grouting device for mine roadway |
| CN116066152B (en) * | 2023-04-04 | 2023-06-02 | 华北有色工程勘察院有限公司 | Double-pipe grouting device for mine roadway |
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Address after: 100160 701, 7th floor, building 3, yard 10, Automobile Museum East Road, Fengtai District, Beijing Patentee after: China Power Construction Railway Construction Investment Group Co.,Ltd. Patentee after: SINOHYDRO ENGINEERING BUREAU 4 Co.,Ltd. Address before: 100044 1001, 10th floor, building 2, yard 22, Chegongzhuang West Road, Haidian District, Beijing Patentee before: POWERCHINA RAILWAY CONSTRUCTION Co.,Ltd. Patentee before: SINOHYDRO ENGINEERING BUREAU 4 Co.,Ltd. |