CN212129147U - Multi-section sleeve valve pipe layered grouting device - Google Patents
Multi-section sleeve valve pipe layered grouting device Download PDFInfo
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- CN212129147U CN212129147U CN202020545331.4U CN202020545331U CN212129147U CN 212129147 U CN212129147 U CN 212129147U CN 202020545331 U CN202020545331 U CN 202020545331U CN 212129147 U CN212129147 U CN 212129147U
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- pipe
- sleeve valve
- grout
- grouting
- grout stopping
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Abstract
The utility model discloses a multistage formula sleeve valve pipe layering slip casting device, include multistage formula sleeve valve pipe and do the slip casting mechanism that multistage formula sleeve valve pipe supplied liquid, the intraductal inner tube and the rifle head of being provided with of multistage formula sleeve valve, the play liquid end of inner tube is connected with the change festival piece of rifle head feed liquor end. The utility model discloses can carry out layering ration slip casting according to the actual need in different stratum, the slip casting mouth is the strip structure, goes out the thick liquid rapidly even, and manometer and the setting in mud discharge hole can satisfy the level pressure injection, conveniently look over out the thick liquid condition, and simple structure, and the practicality is strong, the facilitate promotion.
Description
Technical Field
The utility model discloses a belong to ground and side slope reinforcement field, concretely relates to multistage formula sleeve valve pipe layering slip casting device.
Background
In recent years, the problems of unstable foundation settlement and serious slope deformation are increasingly highlighted, wherein grouting reinforcement of the foundation and the slope is one of research hotspots. At present, the research on the stratum consolidation technology is mainly based on grouting, but the research and development of related devices are not successful. The existing grouting device only comprises an inner pipe and a sleeve valve pipe, wherein circular grout outlets are uniformly distributed on the inner pipe, and during grouting, grout simultaneously flows out from the grout outlets to squeeze the whole sleeve valve pipe, but in actual engineering, different grouting pressures and grouting amounts are often required in different stratum sections, so that the existing non-stratified grouting device cannot be realized generally; the existing grouting device has a circular grout outlet, but the circular grout outlet is easy to block due to grout solidification, so that the uniformity of grout outlet is influenced; the existing grouting device can not test the pressure of the grouting device generally, and the problem of soil damage or poor grouting effect can be caused in the grouting process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide a multistage formula sleeve valve pipe layering slip casting device, its novel in design is reasonable, simple structure, and the practicality is strong, convenient to popularize and use.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a multistage formula sleeve valve pipe layering slip casting device which characterized in that: the grouting device comprises a multi-section sleeve valve tube and a grouting mechanism for supplying liquid to the multi-section sleeve valve tube, wherein an inner tube and a gun head are arranged in the multi-section sleeve valve tube, the liquid outlet end of the inner tube is connected with a variable joint part at the liquid inlet end of the gun head, the gun head comprises a grout stopping part, a gun barrel, a grout stopping pipe fitting and a back cover which are sequentially connected through the variable joint part, a grout outlet is formed in the gun barrel, and the grout outlet is of a strip structure;
the grouting mechanism comprises an elbow joint, a three-way pipe, a grouting hose and a grouting pump which are sequentially connected, a first pipeline of the three-way pipe is communicated with the elbow joint, a second pipeline of the three-way pipe is communicated with the grouting hose, a third pipeline of the three-way pipe is a grout discharging pipe, a pressure gauge is arranged on the first pipeline of the three-way pipe, and a valve is arranged on the third pipeline of the three-way pipe.
The layering grouting device for the multi-section sleeve valve pipe is characterized in that: the multi-section sleeve valve tube comprises a tube body and a grout stopping rubber ring sleeved on the tube body, and a plurality of grout outlet holes are formed in the tube section at the position of the grout stopping rubber ring on the tube body.
The layering grouting device for the multi-section sleeve valve pipe is characterized in that: the grout stopping piece comprises a plurality of grout stopping plugs which are connected in sequence, the grout stopping plugs are horn-shaped, the outer diameter of the large ends of the grout stopping plugs is 1-5 mm smaller than the inner diameter of the sleeve valve pipe, the grout stopping pipe comprises a metal pipe and a grout stopping sleeve sleeved on the metal pipe, the grout stopping sleeve is rubber grout stopping sleeve, the cross section of the rubber grout stopping sleeve is circular, and the maximum outer diameter of the rubber grout stopping sleeve is 1-5 mm smaller than the inner diameter of the sleeve valve pipe.
The layering grouting device for the multi-section sleeve valve pipe is characterized in that: the number of the grout stopping sleeves sleeved on the metal pipe is at least one.
The layering grouting device for the multi-section sleeve valve pipe is characterized in that: the inner tube comprises a plurality of threaded tubes which are sequentially communicated, and two adjacent threaded tubes are communicated through the sleeve.
Compared with the prior art, the utility model has the following advantage:
(1) the utility model discloses a through the inner tube with the rifle head be connected and form inside slip casting pipe, the inner tube has the effect of carrying the rifle head, only carries out the slip casting through rifle head part, can carry out layering ration slip casting according to the actual need in different stratum, improves the slip casting effect.
(2) The utility model discloses the grout outlet on the rifle head sets up to the bar structure, and for current circular grout outlet, the bar structure is difficult to block up and goes out the thick liquid rapidly, and the thick liquid is full of the clearance between rifle head and the sleeve valve pipe fast, flows from the grout outlet simultaneously, improves the homogeneity of thick liquid.
(3) The utility model discloses a be provided with the manometer in the slip casting mechanism, the pressure requirement of different stratums can be satisfied accurately in the setting of manometer, prevents that slip casting pressure from producing too big soil property and destroying or because slip casting pressure undersize, makes the slip casting effect variation.
(4) The grouting mechanism of the utility model is provided with the grout discharging hole, which is convenient for checking whether the grout is discharged normally; when the grouting pressure is overlarge, the pressure can be relieved through the grout discharging port.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the multi-section sleeve valve tube of the present invention;
fig. 3 is a schematic structural view of the sleeve valve tube of the present invention;
fig. 4 is a schematic structural view of the gun head of the present invention;
FIG. 5 is a schematic structural view of the grout-stopping pipe of the present invention;
FIG. 6 is a schematic structural view of the inner tube of the present invention;
fig. 7 is a schematic structural diagram of the grouting mechanism of the present invention.
Description of reference numerals:
1-sleeve valve tube; 2-gun head; 3, inner tube;
4-grouting mechanism; 5, a pipe cap; 1-a tube body;
1-2-slurry outlet holes; 1-3-stop rubber ring; 2-1-a segment;
2-stop-grouting plug; 2-3-a pulp outlet; 2-4-barrel;
2-5-stop-grouting pipe fitting; 2-6-bottom sealing; 3-1-a threaded pipe;
3-2-sleeve; 4-1-elbow joint; 4-2-a three-way pipe;
4-3-grouting flexible pipe; 4-grouting pump; 4-5-pressure gauge;
4-6-slurry discharge pipe; 4-7-valve; 2-5-1-metal tube;
2-5-2-grout stopping sleeve.
Detailed Description
As shown in fig. 1 and 4, the utility model discloses a multistage formula sleeve valve pipe and for slip casting mechanism 4 of multistage formula sleeve valve pipe confession liquid, be provided with inner tube 3 and rifle head 2 in the multistage formula sleeve valve pipe, the play liquid end of inner tube 3 is connected with change 2-1 of rifle head 2 feed liquor end, rifle head 2 includes the grout stopping piece, barrel 2-4, grout stopping pipe fitting 2-5 and back cover 2-6 that loop through change 2-1 and connect, set up grout outlet 2-3 on barrel 2-4, grout outlet 2-3 is the strip structure;
as shown in fig. 7, the grouting mechanism 4 comprises an elbow joint 4-1, a three-way pipe 4-2, a grouting hose 4-3 and a grouting pump 4-4 which are connected in sequence, a first pipeline of the three-way pipe 4-2 is communicated with the elbow joint 4-1, a second pipeline of the three-way pipe 4-2 is communicated with the grouting hose 4-3, a third pipeline of the three-way pipe 4-2 is a grout discharge pipe, a pressure gauge 4-5 is arranged on the first pipeline of the three-way pipe 4-2, and a valve 4-6 is arranged on the third pipeline of the three-way pipe 4-2.
As shown in fig. 2 and 3, a conical tube head 5 is installed at one end of the multi-section sleeve valve tube extending into the ground, the multi-section sleeve valve tube comprises a plurality of sleeve valve tubes 1 which are sequentially connected, each sleeve valve tube 1 comprises a tube body 1-1 and a grout stop rubber ring 1-3 sleeved on the tube body 1-1, and a plurality of grout outlet holes 1-2 are formed in the tube section of the tube body 1-1 at the position of the grout stop rubber ring 1-3.
As shown in fig. 4, the grout stopping piece comprises a plurality of grout stopping plugs 2-2 which are sequentially connected, the grout stopping plugs 2-2 are horn-shaped, the outer diameter of the large end of each grout stopping plug 2-2 is 1 mm-5 mm smaller than the inner diameter of the sleeve valve pipe 1, each grout stopping pipe 2-5 comprises a metal pipe 2-5-1 and a grout stopping sleeve 2-5-2 sleeved on the metal pipe 2-5-1, each grout stopping sleeve 2-5-2 is a rubber grout stopping sleeve, the cross section of each rubber grout stopping sleeve is circular, and the maximum outer diameter of each rubber grout stopping sleeve is 1 mm-5 mm smaller than the inner diameter of the sleeve valve pipe 1.
As shown in FIG. 5, the number of the grout stopping sleeves 2-5-2 sleeved on the metal pipe 2-5-1 is at least one.
As shown in FIG. 6, the inner pipe 3 comprises a plurality of sequentially communicated threaded pipes 3-1, and two adjacent threaded pipes 3-1 are communicated through a sleeve 3-2.
When the method is concretely implemented, firstly, a hole is led in a target reinforced soil layer, a plurality of sleeve valve pipe bodies are connected through threads according to the designed hole depth, the lowest end of each pipe body 1-1 is a conical pipe head 5, the assembled multi-section sleeve valve pipe is placed into the hole, casing materials made of fine sand or bentonite are filled in gaps on the outer sides of the multi-section sleeve valve pipe, and gaps close to the hole openings are plugged by cement mortar; then connect rifle head 2 and inner tube 3, wherein, can insert the inner tube 2 and rifle head 3 assembled into 1 hole of sleeve valve pipe with a plurality of inner tube threaded connection according to actual demand, the inner tube upper end is connected the slip casting mechanism, and the inner tube once sinks to the hole bottom during slip casting.
When grouting, the grouting pump 4-4 is opened, and the slurry flows out from the slurry outlet 2-3 at the gun head through the inner pipe 3, pressurized by a grouting pump 4-4 and then flows into the inner pores of the soil body on the outer side from a grout outlet 1-2 of the outer pipe, the grout stop rubber ring 1-3 on the outer pipe wall can stop the backflow of grout, the grout stop plug on the gun head expands after grouting to block the upper gap between the gun head 2 and the sleeve valve pipe 1, the grout stop pipe fitting 2-5 on the gun head is sleeved on the pipe section connected with the lower part through the variable joint, and the grout stop pipe fitting blocks the lower gap between the gun head 2 and the sleeve valve pipe 1, by plugging the upper part and the lower part, the grout is prevented from flowing out upwards through the gap between the sleeve valve pipe and the inner pipe, the accurate measurement of the pressure gauge is ensured, the grout permeates into a target reinforced soil layer, flows out along the soil layer gap and can achieve the function of lifting the upper soil layer or the building by splitting the soil body. During grouting, after the inner pipe is used for reinforcing soil of 1m, the inner pipe is pulled up for 1m to continue grouting, and the slurry can be reinforced to each section of soil body from deep to shallow, so that layering quantitative grouting can be performed according to actual needs of different stratums, and the grouting effect is improved. In the grouting process, the pressure in grouting can be accurately recorded through a pressure gauge 4-5 arranged on the three-way device, and grouting adjustment can be performed at any time according to the grouting condition.
The upper and lower part clearance between rifle head 2 and the sleeve valve pipe 1 of this device is respectively through only starching stopper and the shutoff mode of two kinds of differences of only starching pipe fitting, and only starching stopper is relative with the shutoff of only starching pipe fitting effectual, only starching pipe fitting for only starching the stopper more easily with rifle head and inner tube extract, both cooperations can effectual shutoff not hinder rifle head and inner tube extract again, are favorable to the layering slip casting.
Under the normal condition of site operation, the grouting pressure needs to be controlled between 0.5MPa and 1.0MPa, so that the soil quality damage caused by overlarge pressure can be prevented and the output power of grouting can be ensured. In special stratum, such as sand layer, rock stratum, silt layer, accessible grouting pump adjustment pressure carries out big pressure slip casting, can reach 30MPa at most, makes the thick liquid can flow in the soil body gap fast. In addition, the single-liquid method of pure cement slurry, the two-liquid method of cement and water glass, and the multi-liquid method of cement (fly ash) and other additives can be used for grouting during the reinforcing process.
The inner pipe is connected with the gun head to form the inner grouting pipe, the inner pipe has the function of conveying the gun head, grouting is only carried out through the gun head, layered quantitative grouting can be carried out according to actual needs of different stratums, and the grouting effect is improved; simultaneously, the upper portion clearance between rifle head 2 and the sleeve valve pipe 1 is blockked up in the inflation back of the grout stop plug slip casting on the rifle head, prevents that the thick liquid from upwards flowing and ensures the accurate measurement of manometer through the clearance of sleeve valve pipe and inner tube, to the engineering of the requirement of rectifying, can control multi-functional effects such as injection volume, slip casting pressure, liquid slip casting method through this device, to the regional accurate implementation requirement of a certain special requirement, carry out porous joint slip casting to reach the requirement of rectifying.
The slurry outlet on the gun head of the utility model is arranged into a strip-shaped structure, compared with the existing round slurry outlet, the strip-shaped structure is not easy to block and the slurry outlet is rapid, the slurry is rapidly filled in the gap between the gun head and the sleeve valve pipe and flows out from the slurry outlet hole, and the uniformity of the slurry is improved;
the grouting mechanism of the utility model is provided with the pressure gauge, the pressure gauge can accurately meet the pressure requirements of different strata, prevent the soil from being damaged due to overlarge grouting pressure or prevent the grouting effect from being deteriorated due to the undersize grouting pressure;
the grouting mechanism of the utility model is provided with the grout discharging hole, when the grouting process needs to check whether the grout is normal, the valve can be directly opened, the grout flows out from the grout discharging hole, and the checking of whether the grout is normal is convenient; when the grouting pressure is overlarge, the pressure can be relieved through the grout discharging port.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The utility model provides a multistage formula sleeve valve pipe layering slip casting device which characterized in that: the grouting device comprises a multi-section sleeve valve tube and a grouting mechanism (4) for supplying liquid to the multi-section sleeve valve tube, wherein an inner tube (3) and a gun head (2) are arranged in the multi-section sleeve valve tube, the gun head (2) comprises a grout stopping piece, a gun tube (2-4), a grout stopping pipe fitting (2-5) and a back cover (2-6) which are sequentially connected through a section changing piece (2-1), a grout outlet (2-3) is formed in the gun tube (2-4), the grout outlet (2-3) is of a strip structure, and the liquid outlet end of the inner tube (3) is connected with the liquid inlet end of the gun head (2) through the section changing piece (2-1);
the grouting mechanism (4) comprises an elbow joint (4-1), a three-way pipe (4-2), a grouting hose (4-3) and a grouting pump (4-4) which are sequentially connected, a first pipeline of the three-way pipe (4-2) is communicated with the elbow joint (4-1), a second pipeline of the three-way pipe (4-2) is communicated with the grouting hose (4-3), a third pipeline of the three-way pipe (4-2) is a grout unloading pipe, a pressure gauge (4-5) is arranged on the first pipeline of the three-way pipe (4-2), and a valve (4-6) is arranged on the third pipeline of the three-way pipe (4-2).
2. The multi-segment sleeve valve tube layered grouting device according to claim 1, characterized in that: the multi-section sleeve valve pipe comprises a plurality of sections of sleeve valve pipes (1) which are connected in sequence, each sleeve valve pipe (1) comprises a pipe body (1-1) and a grout stopping rubber ring (1-3) sleeved on the pipe body (1-1), and a plurality of grout outlet holes (1-2) are formed in the pipe section, located at the position of the grout stopping rubber ring (1-3), on the pipe body (1-1).
3. The multi-segment sleeve valve tube layered grouting device according to claim 1, characterized in that: the grout stopping piece comprises a plurality of grout stopping plugs (2-2) which are sequentially connected, the grout stopping plugs (2-2) are horn-shaped, the outer diameter of the large end of each grout stopping plug (2-2) is 1-5 mm smaller than the inner diameter of the sleeve valve pipe (1), each grout stopping pipe (2-5) comprises a metal pipe (2-5-1) and a grout stopping sleeve (2-5-2) sleeved on the metal pipe (2-5-1), each grout stopping sleeve (2-5-2) is a rubber grout stopping sleeve, the cross section of each rubber grout stopping sleeve is circular, and the maximum outer diameter of each rubber grout stopping sleeve is 1-5 mm smaller than the inner diameter of the sleeve valve pipe (1).
4. The multi-segment sleeve valve tube layered grouting device according to claim 3, characterized in that: the number of the grout stopping sleeves (2-5-2) sleeved on the metal pipe (2-5-1) is at least one.
5. The multi-segment sleeve valve tube layered grouting device according to claim 1, characterized in that: the inner pipe (3) comprises a plurality of threaded pipes (3-1) which are sequentially communicated, and two adjacent threaded pipes (3-1) are communicated through a sleeve (3-2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545331.4U CN212129147U (en) | 2020-04-14 | 2020-04-14 | Multi-section sleeve valve pipe layered grouting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545331.4U CN212129147U (en) | 2020-04-14 | 2020-04-14 | Multi-section sleeve valve pipe layered grouting device |
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| CN212129147U true CN212129147U (en) | 2020-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718046A (en) * | 2022-04-24 | 2022-07-08 | 中煤湖北地质勘察基础工程有限公司 | Sleeve valve pipe grouting structure for deep soil filling layer and construction method thereof |
-
2020
- 2020-04-14 CN CN202020545331.4U patent/CN212129147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718046A (en) * | 2022-04-24 | 2022-07-08 | 中煤湖北地质勘察基础工程有限公司 | Sleeve valve pipe grouting structure for deep soil filling layer and construction method thereof |
| CN114718046B (en) * | 2022-04-24 | 2023-10-27 | 中煤湖北地质勘察基础工程有限公司 | Sleeve valve pipe grouting structure for deep filling layer and construction method of sleeve valve pipe grouting structure |
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