CN211573520U - Grouting structure with small installation abrasion - Google Patents
Grouting structure with small installation abrasion Download PDFInfo
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- CN211573520U CN211573520U CN201922493566.3U CN201922493566U CN211573520U CN 211573520 U CN211573520 U CN 211573520U CN 201922493566 U CN201922493566 U CN 201922493566U CN 211573520 U CN211573520 U CN 211573520U
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- grouting
- sleeve valve
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Abstract
The utility model relates to a less slip casting structure of installation wearing and tearing, it includes sleeve valve pipe, is used for carrying the first slip casting pipe of grout and is used for carrying the second slip casting pipe of water glass thick liquid, runs through on the lateral wall of sleeve valve pipe and has seted up a plurality of injected holes, and the outside cover of sleeve valve pipe is equipped with and is used for carrying out confined leather sheath to the injected hole. One end of the first grouting pipe is communicated with one end of the second grouting pipe and communicated with a grouting head, and a sealing ring is sleeved on the outer side of the grouting head. The outside cladding of sealing washer has the membrane of restrainting of receipts, and the inner wall of sealing washer and the outer wall of slip casting head are through the membrane looks butt of restrainting of receipts, and the one end that the first slip casting pipe and second slip casting pipe were kept away from to the membrane of restrainting will the slip casting head is sealed, has seted up the annular on the outer wall of sealing washer, and the axis of annular coincides with the axis of sleeve valve pipe, and the embedded solid fixed ring that is equipped with of annular receives the membrane and is located between annular and the solid fixed ring. The utility model discloses can protect the sealing washer when the slip casting pipe installation, increase the usable number of times of sealing washer, save the cost.
Description
Technical Field
The utility model belongs to the technical field of the technique of slip casting structure and specifically relates to a less slip casting structure of installation wearing and tearing is related to.
Background
In some underground engineering constructions, such as the construction of subways and underground tunnels, geological strata in some areas are loose, the structural strength is low, and risks such as collapse easily occur, so that the strata generally need to be reinforced to improve the compactness and the structural strength of the soil layers. At present, a soil layer is generally reinforced by a sleeve valve pipe grouting method, cement slurry with certain pressure and water glass slurry are mixed and forcibly injected into the soil layer through pores among soil layer particles to play roles of compaction and filling, so that part or most of water and air in the pores of the soil layer are forced to be discharged, and the consolidation stability of the soil layer is accelerated.
The existing grouting structure jewelry comprises a sleeve valve pipe and a grouting pipe, wherein the side wall of the sleeve valve pipe is provided with a grouting hole, the grouting hole is sealed by a leather sleeve, the outer side of the grouting pipe is provided with a rubber sealing ring for preventing grout from returning to the grouting, the sealing ring is generally conical, the larger end of the section diameter of the sealing ring faces downwards, the sleeve valve pipe is inserted into a drilled hole drilled in advance, the grouting pipe is inserted into the sleeve valve pipe, the sealing ring is stressed to deform and abut against the inner wall of the sleeve valve pipe, the sealing ring is firmly abutted against the inner wall of the sleeve valve pipe during grouting so as to partition the upper part of the sealing ring, the grout is prevented from returning to the pipe opening to block the sleeve valve pipe, the pressure of a mixing cavity is continuously increased along with continuous injection of the grout, and the grout flows out of the grouting hole and permeates into a soil layer to reinforce the soil layer until the top of the leather sleeve is opened.
However, in the process of plugging the grouting pipe into the sleeve valve pipe, the sealing ring and the inner wall of the sleeve valve pipe generate great friction, so that the skirt edge of the sealing ring is greatly abraded, and the phenomenon of slurry return is easy to occur after repeated use, so that the sealing ring needs to be frequently replaced, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a less slip casting structure of installation wearing and tearing, its advantage lies in: the sealing ring can be protected when the grouting pipe is installed, the use times of the sealing ring are increased, and the cost is saved.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a less slip casting structure of installation wearing and tearing, includes sleeve valve pipe, is used for carrying the first slip casting pipe of grout and is used for carrying the second slip casting pipe of water glass thick liquid, run through on the lateral wall of sleeve valve pipe and seted up a plurality of slip casting holes, the outside cover of sleeve valve pipe is equipped with and is used for right the slip casting hole carries out confined leather sheath, the one end of first slip casting pipe with the one end of second slip casting pipe is linked together and communicates there is the slip casting head, the outside cover of slip casting head is equipped with the sealing washer, the outside cladding of sealing washer has the beam shaping membrane, the inner wall of sealing washer with the outer wall of slip casting head passes through the beam shaping membrane looks butt, the beam shaping membrane is kept away from the slip casting head first slip casting pipe with the one end of second slip casting pipe is sealed, the annular has been seted up on the outer wall of sealing washer, the axis of annular with the axis coincidence of valve pipe, the annular is embedded solid fixed ring that is equipped with, the bundling film is positioned between the annular groove and the fixing ring.
By adopting the technical scheme, when grouting, the grouting head is inserted into the sleeve valve pipe, water is injected from the first grouting pipe and the second grouting pipe, the pressure in the grouting head is increased along with the continuous injection of water until the bundling film is spread and the bundling of the sealing ring is removed, the sealing ring recovers deformation and abuts against the inner wall of the sleeve valve pipe, the fixing ring slides out of the ring groove and slides to the upper part of the sealing ring along with the recovery deformation of the sealing ring, then cement slurry is injected from the first grouting pipe, water glass slurry is injected from the second grouting pipe, the cement slurry and the water glass slurry are mixed in the grouting head, the mixed slurry enters the sleeve valve pipe, the pressure in the sleeve valve pipe is increased continuously, and the mixed slurry overflows from the grouting hole and goes deep into the soil layer to reinforce the soil layer when the top-opened leather sleeve is reached; the sealing ring can be bundled by the bundling film in the process that the grouting head is inserted into the sleeve valve pipe, the inner wall of the sealing ring is abutted to the outer wall of the grouting head, abrasion between the sealing ring and the inner wall of the sleeve valve pipe is reduced, the sealing ring can be used for multiple times, the cost is saved, the fixing ring can fix the sealing ring and the bundling film, the sealing ring is abutted to the outer wall of the grouting head, loosening and separation of the bundling film in the installation process are avoided, the ring groove is used for fixing the fixing ring, and the phenomenon that the fixing ring slides to the upper portion of the sealing ring under the action of elastic force of the sealing ring to restore and deform the sealing ring is avoided.
The utility model discloses further set up to: and the edge of one end of the sealing ring, which is far away from the first grouting pipe and the second grouting pipe, is subjected to fillet treatment.
Through adopting above-mentioned technical scheme, the fillet of sealing washer edge is handled and can be further reduced the wearing and tearing between sealing washer and the sleeve valve pipe inner wall, also can prevent simultaneously that the edge of sealing washer from will tightening up the membrane and scraping brokenly and leading to tightening up the membrane and drop.
The utility model discloses further set up to: the outside cover of slip casting head is equipped with two at least sealing washer.
Through adopting above-mentioned technical scheme, set up a plurality of sealing washers and can improve the sealed effect to sleeve valve pipe, can further seal sleeve valve pipe when the unexpected seepage of sealing washer of lower extreme, avoid returning the thick liquid.
The utility model discloses further set up to: the sleeve valve pipe is characterized in that the outer wall of the sleeve valve pipe is provided with a positioning groove, the grouting hole is located in the positioning groove, and the leather sheath is embedded in the positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank can fix a position the leather sheath, avoids the leather sheath to take place to slide and leads to pouring the hole and expose, prevents that the thick liquid from flowing back to the sleeve valve intraductal.
The utility model discloses further set up to: the fixed ring is made of rubber.
Through adopting above-mentioned technical scheme, the rubber material has good elasticity, can guarantee to receive the fixed ring and can break away from in the annular along with the recovery of sealing washer deformation behind the bundling film struts, makes the sealing washer can resume to support tightly in the deformation state of sleeve valve pipe inner wall, avoids fixed ring tension to make the sealing washer be difficult to resume deformation and lead to having the gap between sealing washer and the sleeve valve pipe, prevents to take place to return the thick liquid.
The utility model discloses further set up to: the bundling film is made of PE material.
Through adopting above-mentioned technical scheme, the PE material has better toughness, can avoid damaged in the slip casting head installation, and the PE material has good viscidity simultaneously, can laminate mutually with the outer wall of sealing washer well, and the laminating is firm, is difficult for droing.
The utility model discloses further set up to: the sleeve valve pipe and the grouting head are made of PVC materials.
Through adopting above-mentioned technical scheme, the PVC material has good compressive strength, corrosion resistance and water proofness, is difficult for damaged seepage, and is little to the flow resistance of thick liquid, is convenient for carry out the slip casting, and PVC material light in weight is convenient for transport simultaneously to the cost is lower.
The utility model discloses further set up to: the first grouting pipe and the second grouting pipe are made of epoxy resin materials.
By adopting the technical scheme, the epoxy resin material has good corrosion resistance and wear resistance, long service life and lower cost, and meanwhile, the pipe wall of the epoxy resin pipe is smooth, and slurry is not easy to bond during conveying and is convenient for grouting.
The utility model discloses further set up to: and the inner part of the pipe wall of the first grouting pipe and the inner part of the pipe wall of the second grouting pipe are both provided with a steel wire mesh layer.
Through adopting above-mentioned technical scheme, the steel wire stratum reticulare can improve the structural strength of first slip casting pipe and second slip casting pipe, and first slip casting pipe and second slip casting pipe receive external extrusion deformation and lead to the transport of thick liquid to receive the hindrance when avoiding the slip casting, also can avoid first slip casting pipe and second slip casting pipe excessive buckling and fracture simultaneously, have prolonged the life of first slip casting pipe and second slip casting pipe.
To sum up, the utility model discloses a beneficial technological effect does:
the inner wall of the sealing ring can be abutted against the outer wall of the grouting head in the process that the grouting head is inserted into the sleeve valve pipe, so that the abrasion between the sealing ring and the inner wall of the sleeve valve pipe is reduced, the sealing ring can be used for multiple times, the cost is saved, the fixing ring can fix the sealing ring and the bundling film, the sealing ring is abutted against the outer wall of the grouting head, the bundling film is prevented from loosening and separating, the ring groove is used for fixing the fixing ring, and the sealing ring is prevented from being restored and deformed due to the sliding of the fixing ring in the installation process;
the sealing effect of the sleeve valve pipe is improved by arranging the sealing rings, the sleeve valve pipe can be further sealed when the sealing rings at the lower end are accidentally leaked, and slurry return is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the sleeve valve tube.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic structural diagram of the grouting head.
Fig. 5 is a schematic view of the grouting head wrapping the bundling film.
Fig. 6 is a schematic view of a first grout tube.
In the figure, 1, a sleeve valve tube; 11. grouting holes; 12. positioning a groove; 13. a leather sheath; 2. a first grouting pipe; 3. a second grouting pipe; 4. a grouting head; 5. a seal ring; 51. a ring groove; 52. a fixing ring; 6. bundling the film; 7. and a steel wire mesh layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a less slip casting structure of installation wearing and tearing, including the cross-section for circular shape sleeve valve pipe 1, be used for carrying the first slip casting pipe 2 of grout and be used for carrying the second slip casting pipe 3 of water glass thick liquid, the cross-section of first slip casting pipe 2 and second slip casting pipe 3 is circular.
Referring to fig. 1 and 2, a plurality of grouting holes 11 are formed through the side wall of the sleeve valve tube 1, a leather sheath 13 for sealing the grouting holes 11 is sleeved outside the sleeve valve tube 1, and the leather sheath 13 is made of rubber. The outer wall of the sleeve valve tube 1 is provided with a positioning groove 12 for positioning a leather sheath 13, the grouting hole 11 is positioned in the positioning groove 12, and the leather sheath 13 is embedded in the positioning groove 12.
Referring to fig. 3 and 4, one end of the first grouting pipe 2 and one end of the second grouting pipe 3 are communicated with each other and are all communicated with a grouting head 4 with a circular section, a plurality of sealing rings 5 are sleeved outside the grouting head 4, the sealing rings 5 are bonded with the grouting head 4, the number of the sealing rings 5 outside the grouting head 4 is two, the sections of the sealing rings 5 are trapezoidal, the two ends of the sealing rings are communicated, and the larger end of the section diameter of each sealing ring 5 faces downwards.
Referring to fig. 4 and 5, the outer side of the sealing ring 5 is wrapped with a bundling film 6 made of PE, the bundling film 6 is tightly wound on the outer side of the sealing ring 5 and seals one end of the grouting head 4 away from the first grouting pipe 2 and the second grouting pipe 3, and the inner wall of the sealing ring 5 abuts against the outer wall of the grouting head 4 through the bundling film 6. An annular groove 51 with a semicircular section is formed in the outer wall of the sealing ring 5, the axis of the annular groove 51 is overlapped with the axis of the sleeve valve tube 1, a fixing ring 52 with a circular section is embedded in the annular groove 51, and the bundling film 6 is located between the annular groove 51 and the fixing ring 52.
During grouting, the grouting head 4 is inserted into the sleeve valve pipe 1, water is injected into the first grouting pipe 2 and the second grouting pipe 3, and the pressure in the grouting head 4 is increased along with the continuous injection of the water until the bundling film 6 is spread and the bundling of the sealing ring 5 is released. At the moment, the sealing ring 5 recovers deformation and abuts against the inner wall of the sleeve valve pipe 1, so that the sleeve valve pipe 1 is sealed, slurry return during grouting is avoided, and the fixing ring 52 slides out of the annular groove 51 along with the recovery deformation of the sealing ring 5 and slides to the upper part of the sealing ring 5. Then, cement slurry is injected from the first grouting pipe 2, water glass slurry is injected from the second grouting pipe 3, the cement slurry and the water glass slurry are mixed in the grouting head 4, the mixed slurry enters the sleeve valve pipe 1, the pressure in the sleeve valve pipe 1 is continuously increased until the leather sheath 13 is pushed open, and the mixed slurry overflows from the grouting holes 11 and penetrates into the soil layer to reinforce the soil layer.
The bundling film 6 can enable the sealing ring 5 to be abutted against the outer wall of the grouting head 4 in the process that the grouting head 4 is inserted into the sleeve valve pipe 1, abrasion between the sealing ring 5 and the inner wall of the sleeve valve pipe 1 is reduced, the sealing ring 5 can be used for multiple times, and cost is saved. The fixing ring 52 can fix the sealing ring 5 and the bundling film 6, so that the sealing ring 5 is tightly abutted to the outer wall of the grouting head 4, the bundling film 6 is prevented from loosening and separating in the installation process, the annular groove 51 is used for fixing the fixing ring 52, and the fixing ring 52 is prevented from sliding to the upper part of the sealing ring 5 under the action of the elastic force of the sealing ring 5 to restore the deformation of the sealing ring 5 in the installation process.
In this embodiment, the fixing ring 52 is made of a rubber material with good elasticity, so as to ensure that the fixing ring 52 can be separated from the annular groove 51 along with the recovery of the deformation of the sealing ring 5 after the bundling film 6 is stretched, so that the sealing ring 5 can be recovered to a deformation state abutting against the inner wall of the sleeve valve tube 1, thereby avoiding the phenomenon that the sealing ring 5 is difficult to recover and deform due to the over-tightening of the fixing ring 52, so that a gap exists between the sealing ring 5 and the sleeve valve tube 1, and preventing slurry return.
The edge that sealing washer 5 kept away from first slip casting pipe 2 and 3 one ends of second slip casting pipe carries out the fillet and handles wearing and tearing between sealing washer 5 and the sleeve valve pipe 1 inner wall when further reducing the installation, also can prevent simultaneously that the edge of sealing washer 5 from will binding membrane 6 and scraping brokenly and leading to binding membrane 6 to drop.
In this embodiment, sleeve valve pipe 1 and slip casting head 4 are the PVC material, and the cost is lower, and the PVC material has good compressive strength, corrosion resistance and water proofness, difficult damaged seepage to PVC tubular product is little to the flow resistance of thick liquid, is convenient for carry out the slip casting, and PVC material light in weight is convenient for transport simultaneously.
Referring to fig. 6, the first grouting pipe 2 and the second grouting pipe 3 are made of epoxy resin, a steel wire mesh layer 7 is lined inside the pipe wall of the first grouting pipe 2 and inside the pipe wall of the second grouting pipe 3, the pipe wall of the epoxy resin pipe is smooth, and grout is not easy to bond during conveying and convenient to grout. Steel wire stratum reticulare 7 can improve the structural strength of first slip casting pipe 2 and second slip casting pipe 3, and first slip casting pipe 2 and second slip casting pipe 3 receive external extrusion deformation and lead to the transport of thick liquid to receive the hindrance when avoiding the slip casting, also can avoid first slip casting pipe 2 and second slip casting pipe 3 excessive buckling and fracture simultaneously, have prolonged life.
The implementation principle of the embodiment is as follows: the sealing ring 5 is bundled in the process that the grouting head 4 is inserted into the sleeve valve pipe 1 through the bundling film 6, so that the inner wall of the sealing ring 5 is abutted against the outer wall of the grouting head 4, the abrasion between the sealing ring 5 and the inner wall of the sleeve valve pipe 1 is reduced, the sealing ring 5 can be used for multiple times, and the cost is saved. Fixing the sealing ring 5 and the bundling film 6 by arranging the fixing ring 52, enabling the sealing ring 5 to be tightly abutted to the outer wall of the grouting head 4, avoiding the bundling film 6 from loosening and separating, wherein the annular groove 51 is used for fixing the fixing ring 52, and avoiding the deformation recovery of the sealing ring 5 caused by the sliding of the fixing ring 52 in the installation process.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a less slip casting structure of installation wearing and tearing, includes sleeve valve pipe (1), is used for carrying first slip casting pipe (2) of grout and is used for carrying second slip casting pipe (3) of water glass thick liquid, run through on the lateral wall of sleeve valve pipe (1) and seted up a plurality of injected holes (11), the outside cover of sleeve valve pipe (1) is equipped with and is used for right injected hole (11) carry out confined leather sheath (13), the one end of first slip casting pipe (2) with the one end of second slip casting pipe (3) is linked together and the intercommunication has slip casting head (4), the outside cover of slip casting head (4) is equipped with sealing washer (5), its characterized in that: the outside cladding of sealing washer (5) has receipts bundling film (6), the inner wall of sealing washer (5) with the outer wall of slip casting head (4) passes through receive bundling film (6) looks butt, receive bundling film (6) and keep away from slip casting head (4) first slip casting pipe (2) with the one end of second slip casting pipe (3) is sealed, annular (51) have been seted up on the outer wall of sealing washer (5), the axis of annular (51) with the axis coincidence of sleeve valve pipe (1), the embedded solid fixed ring (52) that is equipped with in annular (51), receive bundling film (6) and be located annular (51) with gu between the fixed ring (52).
2. A slip casting structure with less installation wear according to claim 1, wherein: and the edge of one end of the sealing ring (5) far away from the first grouting pipe (2) and the second grouting pipe (3) is subjected to fillet treatment.
3. A slip casting structure with less installation wear according to claim 1, wherein: the outer side of the grouting head (4) is sleeved with at least two sealing rings (5).
4. A slip casting structure with less installation wear according to claim 1, wherein: the sleeve valve is characterized in that a positioning groove (12) is formed in the outer wall of the sleeve valve tube (1), the grouting hole (11) is located in the positioning groove (12), and the leather sheath (13) is embedded in the positioning groove (12).
5. A slip casting structure with less installation wear according to claim 1, wherein: the fixing ring (52) is made of rubber.
6. A slip casting structure with less installation wear according to claim 1, wherein: the bundling film (6) is made of PE material.
7. A slip casting structure with less installation wear according to claim 1, wherein: the sleeve valve pipe (1) and the grouting head (4) are made of PVC materials.
8. A slip casting structure with less installation wear according to claim 1, wherein: the first grouting pipe (2) and the second grouting pipe (3) are made of epoxy resin materials.
9. A slip casting structure with less installation wear according to claim 8, wherein: and the inner part of the pipe wall of the first grouting pipe (2) and the inner part of the pipe wall of the second grouting pipe (3) are both provided with a steel wire mesh layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493566.3U CN211573520U (en) | 2019-12-31 | 2019-12-31 | Grouting structure with small installation abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493566.3U CN211573520U (en) | 2019-12-31 | 2019-12-31 | Grouting structure with small installation abrasion |
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| Publication Number | Publication Date |
|---|---|
| CN211573520U true CN211573520U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493566.3U Active CN211573520U (en) | 2019-12-31 | 2019-12-31 | Grouting structure with small installation abrasion |
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| Country | Link |
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| CN (1) | CN211573520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837604A (en) * | 2022-05-25 | 2022-08-02 | 安徽理工大学 | Soft coal seam working face segmented grouting system and advanced grouting method |
| CN115839244A (en) * | 2023-02-13 | 2023-03-24 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
-
2019
- 2019-12-31 CN CN201922493566.3U patent/CN211573520U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837604A (en) * | 2022-05-25 | 2022-08-02 | 安徽理工大学 | Soft coal seam working face segmented grouting system and advanced grouting method |
| CN114837604B (en) * | 2022-05-25 | 2023-09-22 | 安徽理工大学 | Segmented grouting system and advanced grouting method for soft coal seam working face |
| CN115839244A (en) * | 2023-02-13 | 2023-03-24 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
| CN115839244B (en) * | 2023-02-13 | 2023-04-18 | 中铁五局集团电务工程有限责任公司 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
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