CN210031825U - Check valve grouting device convenient for drilling grouting construction - Google Patents
Check valve grouting device convenient for drilling grouting construction Download PDFInfo
- Publication number
- CN210031825U CN210031825U CN201920691895.6U CN201920691895U CN210031825U CN 210031825 U CN210031825 U CN 210031825U CN 201920691895 U CN201920691895 U CN 201920691895U CN 210031825 U CN210031825 U CN 210031825U
- Authority
- CN
- China
- Prior art keywords
- grouting
- valve
- drilling
- pipe
- thick liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of underground engineering, in particular to a check valve grouting device convenient for drilling grouting construction, which comprises a drilling wall and a drilling annular space positioned in the drilling wall, wherein a grouting valve pipe is arranged in the drilling annular space; the grouting valve pipe is provided with a plurality of one-way valve grouting flower holes, and the one-way valve grouting flower holes are of a one-way check structure. The utility model discloses a one-way contrary structure of check valve slip casting flower eye makes the thick liquid can not reverse flow back to the slip casting valve pipe, and the thick liquid pressure in the slip casting drilling can constantly rise, and when pressure was enough big, the thick liquid breaks through the drilling ring and adds the solid to the target of soil body shutoff impressing, has realized the even closely knit reinforcement to the stratum, can effectively prevent simultaneously because of the stifled pipe phenomenon that the thick liquid solidifies and arouses, has solved current sleeve valve pipe slip casting method and has easily taken place to leak thick liquid and the problem that the thick liquid solidifies stifled pipe owing to adopting the PVC pipe.
Description
Technical Field
The utility model relates to an underground works technical field specifically is a check valve grouting device convenient to drilling slip casting construction.
Background
In recent years, along with the shortage of urban land resources and the upgrading of planning concepts, the development of the field of urban underground space is very rapid, and in the field of grouting reinforcement of geotechnical engineering of engineering such as tunnel construction and the like, the Soletangle-3 grouting method is widely adopted due to the advantages that layered grouting is controllable and grouting pressure and slurry diffusion range can be well controlled.
At present, a sleeve valve pipe grouting method is generally constructed by drilling, pipe discharging, hole sealing and grouting steps, and through years of engineering practice demonstration, the following defects exist in the sleeve valve pipe grouting method during actual use: (1) because the PVC pipe has limited bending strength, the pressure of the front slurry is increased, and the front slurry is easy to bend, so that the slurry leakage phenomenon is caused, and the grouting effect is influenced; (2) when the grouting pressure is low and the grouting speed is low, the phenomenon that the grout solidifies to block the pipe easily occurs, and further the construction efficiency is influenced. Therefore, the design of a one-way valve grouting device convenient for drilling grouting construction becomes a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a check valve grouting device convenient to drilling slip casting construction to current sleeve valve pipe slip casting method of proposing easily takes place to leak thick liquid and the stifled problem of managing of thick liquid solidification owing to adopt the PVC pipe in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a one-way valve grouting device convenient for drilling grouting construction comprises a drilling hole wall and a drilling hole annular space positioned in the drilling hole wall, wherein a grouting valve pipe is arranged in the drilling hole annular space; a plurality of one-way valve grouting flower holes are arranged on the grouting valve pipe, and the one-way valve grouting flower holes are of a one-way check structure; because the one-way valve grouting flower eye is the one-way non-return structure, the grout can only flow out in the valve pipe, can not reversely flow back to the grouting valve pipe, and has good grout non-return performance simultaneously, when grouting pressure is little, the grouting speed is slow, can effectively prevent the stifled pipe phenomenon that arouses because of the grout solidifies.
As a further aspect of the present invention: the grouting valve pipe is made of steel, alloy or high-strength plastic; the problem that the sleeve valve PVC pipe grouting front end is bent due to large pressure is effectively solved through the grouting valve pipe, so that the slurry leakage phenomenon is avoided, and the grouting effect is effectively guaranteed.
As a further aspect of the present invention: at least two grout stopping plugs are arranged at the opening of the annular space of the drill hole.
As a further aspect of the present invention: the material of the grout stopping plug is nylon, rubber, polyester or polyurethane.
As a further aspect of the present invention: the grouting hole of the one-way valve comprises a grouting valve pipe shell, and the left end and the right end of the grouting valve pipe shell are respectively provided with a grouting valve pipe wall and a one-way valve bonnet; the pipe wall of the grouting valve is provided with at least two valve pipe grout outlet holes, the pipe wall of the grouting valve is connected with the valve cap of the one-way valve through a spring, and a grouting valve stop lever and a valve pipe grout inlet hole are respectively arranged in the casing of the grouting valve.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses the check valve slip casting flower eye has been set up, the one-way contrary structure of ending through the check valve slip casting flower eye makes the thick liquid can not reverse flow to the slip casting valve pipe, the thick liquid can not return the thick liquid in drilling under the effect of stopping the thick liquid stopper, the thick liquid pressure in the slip casting drilling can constantly rise, when pressure is enough big, the thick liquid breaks through the drilling hoop soil body shutoff and adds the target reinforcement body of impressing, the evenly closely knit reinforcement to the stratum has been realized, can effectively prevent the stifled pipe phenomenon that arouses because of the thick liquid solidifies simultaneously, the problem of stifled pipe of current sleeve valve pipe slip casting method easy emergence leaking thick liquid and thick liquid solidification owing to adopt the PVC pipe has been solved.
2) The utility model discloses can show improvement slip casting efficiency, compare with present slip casting valve pipe product, owing to set up spring unit, this subassembly has higher play thick liquid speed and play thick liquid pressure under the same slip casting pressure, simultaneously, because check valve slip casting flower eye is one-way contrary structure, has better thick liquid non return performance, can effectively prevent because of the stifled pipe phenomenon that uses the early strong thick liquid of fast setting to arouse, simultaneously the utility model discloses a slip casting section size is big for it has wider slip casting radius and more closely knit thick liquid filling effect.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is the utility model discloses check valve grouting device's convenient to drilling slip casting construction structural schematic.
Fig. 2 is the utility model discloses check valve slip casting flower hole's schematic structure view among the check valve slip casting device convenient to drilling slip casting construction.
Figure 3 is to adopt the utility model discloses check valve grouting device's drilling slip casting construction flow schematic diagram convenient to drilling slip casting construction.
In the figure: 1-drilling wall, 2-stop plug, 3-drilling annular space, 4-check valve grouting flower hole, 5-grouting valve pipe, 41-grouting valve pipe wall, 42-valve pipe grout outlet, 43-spring, 44-grouting valve stop lever, 45-valve pipe grout inlet, 46-check valve cap and 47-grouting valve pipe shell.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1, in an embodiment of the present invention, a check valve grouting device convenient for drilling grouting construction, includes a drilling wall 1 and a drilling annular space 3 located in the drilling wall 1, a grouting valve pipe 5 is arranged in the drilling annular space 3, a plurality of check valve grouting holes 4 are arranged on the grouting valve pipe 5, and the check valve grouting holes 4 are one-way check structures, and through setting up the check valve grouting holes 4, multiple times of circulating grouting can be performed, so as to effectively improve the uniformity of grouting, and avoid the insufficient compactness of slurry filling effect caused by one-time grouting.
Further, in the embodiment of the utility model provides an in, because check valve slip casting flower hole 4 is one-way contrary structure, the thick liquid can only flow out at the valve intraductal thick liquid, can not reverse flow back to slip casting valve pipe 5, the thick liquid can not return the thick liquid in drilling under the effect of stopping of thick liquid stopper 2, thick liquid pressure in the slip casting drilling can constantly rise, when pressure is enough big, the thick liquid breaks the drilling ring and adds the target reinforcement body to the shutoff of soil body, the even closely knit reinforcement to the stratum has been realized, the better thick liquid non return performance has simultaneously, little when slip casting pressure, slip casting speed is slow, can effectively prevent because of the stifled pipe phenomenon that the thick liquid solidifies and arouse.
Further, in the embodiment of the utility model provides an in, the material of slip casting valve pipe 5 is steel, alloy or high-strength plastic, has effectively solved sleeve valve pipe PVC pipe slip casting front end and has caused the problem that the pipe is buckled because of pressure is big to avoid taking place to leak thick liquid phenomenon, effectively guaranteed the slip casting effect.
Further, in the embodiment of the utility model provides an in, the opening part of drilling annular space 3 is equipped with two at least thick liquid stopper 2 that only, can guarantee the sealed effect at the slip casting in-process through only filling in 2, and then is favorable to improving the security of slip casting process, has reduced the waste of thick liquid simultaneously, has effectively practiced thrift the resource.
It is understood that the material of the grout stop plug 2 is nylon, rubber, polyester or polyurethane, which is set according to the actual requirement, and is not limited herein.
Referring to fig. 2, in another embodiment provided by the present invention, the check valve grouting hole 4 includes a grouting valve pipe shell 47, the left and right ends of the grouting valve pipe shell 47 are respectively provided with a grouting valve pipe wall 41 and a check valve cap 46, and the grouting valve pipe wall 41 is used for connecting with the grouting valve pipe 5.
Further, in the embodiment of the present invention, at least two valve pipe grout outlet holes 42 have been opened on the grouting valve pipe wall 41, the grouting valve pipe wall 41 is connected with the check valve cap 46 through the spring 43, and due to the spring 43 (spring assembly), compared with the existing grouting valve pipe product, the assembly has higher grout outlet speed and pressure under the same grouting pressure.
Further, in the embodiment of the utility model provides an in, still be equipped with the slip casting valve pin 44 respectively in the slip casting valve tube 47 and advance thick liquid hole 45 with the valve pipe, because check valve slip casting flower hole 4 is one-way contrary structure, has better thick liquid non return performance, can effectively prevent because of the stifled pipe phenomenon that uses the early strong thick liquid of fast setting to arouse, and the device slip casting section size is big simultaneously for it has wider slip casting radius, has more closely knit thick liquid simultaneously and fills the effect.
Furthermore, in the embodiment of the utility model, the slurry is brought to a certain pressure value through the high-pressure grouting machine, then the output end of the high-pressure grouting machine is communicated with the one-way valve grouting flower hole 4 through a valve pipe, the spring 43 and the one-way valve cap 46 are pushed to move along the grouting valve pipe shell 47 through injecting grout, enters the drilling annular space 3 through the valve pipe slurry inlet hole 45 and the valve pipe slurry outlet hole 42, when the grouting pressure reaches a certain value, then the first subsection grouting reinforcement is completed, the valve pipe is pulled out backwards through the pressure relief and punching of the grout stop plug 2, the valve pipe is moved to a new grouting position (namely the position of a new one-way valve grouting flower hole 4) to carry out next circulation grouting, can effectively improve the uniformity of grouting, avoid the situation that the grout filling effect is not compact enough due to one-time grouting, the parts of the device not involved are the same as or can be implemented using prior art.
During actual construction, firstly measuring and positioning a drill hole, forming a horizontal grouting hole at the upper part of a tunnel by using a drilling machine, then driving a grouting valve pipe 5 with a check valve eyelet 4 into a preset hole position, sealing the preset hole position by using a grout stop plug 2, and forming a drill hole annular space 3 by a certain gap between a drill hole 7 and the grouting valve pipe 5 so as to complete placement of the grouting pipe; then, slurry is configured according to a certain proportion, then, the configured slurry is subjected to grouting operation, a high-pressure grouting machine is started, the slurry reaches a certain pressure value, a spring 43 and a one-way valve bonnet 46 are pushed to move along a grouting valve pipe shell 47, the slurry enters a drill hole through a valve pipe slurry inlet hole 45 and a valve pipe slurry outlet hole 42, when the grouting pressure reaches a certain value Po, first subsection grouting reinforcement is completed, after grouting is completed, a grouting plug is decompressed and punched, the valve pipe is pulled out backwards, the valve pipe is moved to a new grouting position for next circulation grouting, full-drill hole grouting is completed through multiple times of grouting, then grouting is finished, and the drilling grouting construction flow is shown in fig. 3.
The utility model has the advantages that: this device has set up check valve slip casting flower eye 4, the one-way contrary structure of passing through check valve slip casting flower eye 4 makes the thick liquid can not reverse flow back to slip casting valve pipe 5, the thick liquid can not return the thick liquid in drilling under the effect of stopping the stopping of thick liquid stopper 2, the thick liquid pressure in the slip casting drilling can constantly rise, when pressure is big enough, the thick liquid breaks through the drilling ring and the target reinforcement body of impressing to the soil body shutoff, the even closely knit reinforcement to the stratum has been realized, the stifled pipe phenomenon that arouses because of the thick liquid solidifies can effectively be prevented simultaneously, the problem of the stifled pipe of current sleeve valve pipe slip casting method easily takes place to leak thick liquid and thick liquid solidification owing to adopting the PVC pipe has been solved.
The electric appliances presented in the article can be electrically connected with an external main controller and 220V mains supply, and the main controller can be a conventional known device controlled by a computer and the like.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete joining mode of each part all can adopt conventional means such as ripe bolt, rivet, welding among the prior art, does not detailed here again.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A check valve grouting device convenient for drilling grouting construction comprises a drilling wall (1) and a drilling annular space (3) positioned in the drilling wall (1), and is characterized in that a grouting valve pipe (5) is arranged in the drilling annular space (3);
the grouting valve pipe (5) is provided with a plurality of one-way valve grouting flower holes (4), and the one-way valve grouting flower holes (4) are of a one-way check structure.
2. The grouting device of one-way valve for drilling and grouting construction as claimed in claim 1, wherein the material of the grouting valve pipe (5) is steel, alloy or high-strength plastic.
3. The non-return valve grouting device for facilitating drilling grouting construction according to claim 1, characterised in that at least two stop plugs (2) are provided at the opening of the drilling annulus (3).
4. The grouting device of a check valve for facilitating drilling grouting construction according to claim 3, wherein the material of the grout stop plug (2) is nylon, rubber, polyester or polyurethane.
5. The check valve grouting device convenient for drilling and grouting construction according to any one of claims 1 to 4, wherein the check valve grouting eyelet (4) comprises a grouting valve pipe shell (47), and the left end and the right end of the grouting valve pipe shell (47) are respectively provided with a grouting valve pipe wall (41) and a check valve cap (46);
the grouting valve comprises a grouting valve pipe shell (47) and is characterized in that at least two valve pipe grout outlet holes (42) are formed in the pipe wall (41) of the grouting valve, the pipe wall (41) of the grouting valve is connected with a one-way valve cap (46) through a spring (43), and a grouting valve stop lever (44) and a valve pipe grout inlet hole (45) are further arranged in the pipe shell (47) of the grouting valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691895.6U CN210031825U (en) | 2019-05-14 | 2019-05-14 | Check valve grouting device convenient for drilling grouting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691895.6U CN210031825U (en) | 2019-05-14 | 2019-05-14 | Check valve grouting device convenient for drilling grouting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031825U true CN210031825U (en) | 2020-02-07 |
Family
ID=69365400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920691895.6U Active CN210031825U (en) | 2019-05-14 | 2019-05-14 | Check valve grouting device convenient for drilling grouting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210031825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779507A (en) * | 2020-07-10 | 2020-10-16 | 中勘资源勘探科技股份有限公司 | Grouting pouring process and pouring device thereof |
-
2019
- 2019-05-14 CN CN201920691895.6U patent/CN210031825U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779507A (en) * | 2020-07-10 | 2020-10-16 | 中勘资源勘探科技股份有限公司 | Grouting pouring process and pouring device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107460882B (en) | A kind of retaining piles construction method of deep basal pit closing sealing | |
| TW200533821A (en) | Expandable injection bolt and grouting method using same | |
| CN210031825U (en) | Check valve grouting device convenient for drilling grouting construction | |
| CN205857189U (en) | A kind of slip casting structure for forming slip casting enlarged footing | |
| CN106498929A (en) | Grouting Pipe and reinforcement of concrete defect method | |
| CN109469057A (en) | A kind of variable diameter steelframe slip casting anchor | |
| CN104614253A (en) | Heat exchange unit pressure test equipment and pressure test method | |
| CN201963315U (en) | Mold-bagged grouting device for fast and uniformly reinforcing soft stratum | |
| CN209745137U (en) | Static blasting crushing agent filling equipment | |
| CN208518216U (en) | A kind of grout sleeve | |
| CN205857187U (en) | A kind of have the anti-slip casting structure returning slurry function | |
| CN207553084U (en) | A kind of variable diameters PHC piles | |
| CN216110656U (en) | Gravel reverse feeding device for filter arranged in ground leaching production well | |
| CN210459174U (en) | Prestressed ejection type pile side grouting valve | |
| CN205165114U (en) | Glue injector | |
| CN203823346U (en) | Plugging device for high-strength steel penstock hole | |
| CN112177002A (en) | Membrane bag grouting device for reinforcing specific region of stratum and grouting reinforcing method | |
| CN208380573U (en) | A kind of complete-section tunnel boring machine radial type filling adaptor | |
| CN214576891U (en) | Working face pre-grouting device | |
| CN205165115U (en) | Glue injector | |
| CN211118253U (en) | Sealing pressure-bearing plug for trenchless PE and PP plastic dragging pipe | |
| CN206418487U (en) | Water-filling band between a kind of stake | |
| CN110500060A (en) | A kind of quick grouting device of segmentation protrusive drilling rod, system and grouting method | |
| CN210317333U (en) | Reusable grout stopping device | |
| CN105195395A (en) | Sealant injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |