CN219547806U - Corrugated sleeve valve pipe assembly - Google Patents
Corrugated sleeve valve pipe assembly Download PDFInfo
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- CN219547806U CN219547806U CN202223176541.9U CN202223176541U CN219547806U CN 219547806 U CN219547806 U CN 219547806U CN 202223176541 U CN202223176541 U CN 202223176541U CN 219547806 U CN219547806 U CN 219547806U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a corrugated sleeve valve pipe assembly, which is characterized in that the corrugated sleeve valve pipe assembly comprising a corrugated pipe, a one-way valve, a grouting pipe and sealing elements is arranged, so that slurry such as concrete is injected into grouting cavities with two sealing element structures in the corrugated pipe from the grouting pipe through the second through holes, and then the slurry is discharged outside the corrugated pipe through the first through holes so as to fill structural gaps in the grouting area and gaps between the grouting area and the corrugated pipe, and the integral structural strength of the grouting area and the connection strength between the grouting area and the corrugated pipe can be enhanced after the slurry is hardened, thereby solving the problem of insufficient adhesive force between a support outer pipe and the grouting area.
Description
Technical Field
The utility model relates to the field of grouting, in particular to a corrugated sleeve valve pipe assembly.
Background
Grouting reinforcement is one of grouting methods, and is often used for grouting reinforcement, repair and waterproof plugging of constructional engineering. The principle of grouting technology generally refers to that slurry with cohesiveness is manufactured according to a certain material proportion, then the slurry is injected into a soil layer structure gap or a wall structure gap and other positions by utilizing a certain technology, the slurry has higher viscosity, can permeate and coagulate in the structure gap, the structure density and the hardness are improved, and finally the structure is changed into a compact structure.
At present, a common smooth steel pipe is basically used as a supporting outer pipe in construction, and is sometimes influenced by the conditions of a steel pipe material and a soil layer, the adhesion force between the steel pipe material and the soil layer is limited, the reinforcement effect is sometimes difficult to meet the bearing capacity under special conditions, and collapse accidents can occur.
Disclosure of Invention
The utility model mainly aims to provide a corrugated sleeve valve pipe assembly, which aims to solve the problem of insufficient adhesive force between a support outer pipe and a grouting area in the existing grouting process.
To achieve the above object, the present utility model provides a bellows sleeve assembly, comprising:
the outer wall of the corrugated pipe is provided with a first through hole along the axial direction of the corrugated pipe;
the one-way valve is arranged on the corrugated pipe and communicated with the first through hole and used for blocking slurry from outside the corrugated pipe to enter the corrugated pipe through the first through hole;
one end of the grouting pipe is arranged in the corrugated pipe, and a second through hole for the slurry to enter the corrugated pipe is formed in the outer wall of one end of the grouting pipe inserted into the corrugated pipe;
the two sealing pieces are fixedly arranged on the grouting pipe, the two sealing pieces are mutually spaced, the second through hole is positioned between the two sealing pieces, the peripheral walls of the two sealing pieces are attached to the inner wall of the corrugated pipe, and a grouting cavity for containing the slurry is formed in the corrugated pipe;
the first through hole is used for discharging the slurry in the grouting cavity out of the corrugated pipe.
In one embodiment, the outer wall of the bellows is provided with a plurality of annular grooves, which are arranged at intervals along the axial direction of the bellows.
In an embodiment, the outer wall of the bellows is provided with a helical groove.
In an embodiment, the outer wall and the inner wall of the bellows are respectively provided with a spiral groove, and the outer peripheral wall of the sealing member is provided with a spiral protrusion adapted to the spiral groove.
In an embodiment, the bellows is close to one end of the second through hole to form a close end.
In an embodiment, the bellows sleeve valve tube assembly further includes a plug disposed at the closing end, the plug being configured to close the closing end.
In one embodiment, the bellows proximate the one-way valve comprises:
the valve sleeve is used for sleeving the corrugated pipe, and a fourth through hole used for communicating the first through hole is formed in the valve sleeve;
the elastic valve nozzle is arranged on the valve sleeve, one end of the elastic valve nozzle is communicated with the first through hole, and the other end of the elastic valve nozzle is closed and extends out of the valve sleeve; the resilient valve mouth opens only when the internal pressure of the resilient valve mouth is greater than the external pressure.
In one embodiment, the bellows sleeve assembly further comprises:
the grouting pipe is arranged at one end of the grouting pipe far away from the corrugated pipe;
the joint assembly is used for connecting and communicating the grouting pipe and the grouting pipe;
the pressure gauge is used for measuring the pressure in the slurry inlet pipe;
and one end of the valve is communicated with the slurry inlet pipe, and the other end of the valve is communicated with the grouting machine.
According to the utility model, by arranging the corrugated sleeve valve pipe assembly comprising the corrugated pipe, the one-way valve, the grouting pipe and the sealing parts, the grouting materials such as concrete are injected into grouting cavities of two sealing parts in the corrugated pipe from the grouting pipe through the second through holes, and then the grouting materials are discharged out of the corrugated pipe through the first through holes so as to fill structural gaps of the grouting area and gaps between the grouting area and the corrugated pipe, and the structural strength of the whole grouting area and the connection strength between the grouting area and the corrugated pipe can be enhanced after the grouting materials are hardened, so that the problem of insufficient adhesive force between the outer support pipe and the grouting area is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a bellows sleeve assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a bellows sleeve assembly according to another embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of an embodiment of the present utility model that relates to "", "second", etc., the description of "", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "", "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The present utility model proposes a bellows sleeve valve tube assembly, referring to fig. 1 to 2, comprising:
the corrugated tube 10, the outer wall is provided with the first through hole 11 along its axial direction;
a check valve 20 disposed on the bellows 10 and in communication with the first through hole, for blocking slurry from outside the bellows 10, entering the bellows 10 through the first through hole;
a grouting pipe 30, one end of which is arranged in the corrugated pipe 10, one end of the grouting pipe 30 inserted into the corrugated pipe 10 is closed, and a second through hole 31 for allowing the slurry to enter the corrugated pipe 10 is arranged on the outer wall of the grouting pipe;
the two sealing elements 40 are fixedly arranged on the grouting pipe 30, the two sealing elements 40 are spaced from each other, the second through hole 31 is positioned between the two sealing elements 40, the peripheral walls of the two sealing elements 40 are attached to the inner wall of the corrugated pipe 10, and a grouting cavity for containing the slurry is separated in the corrugated pipe 10;
the first through hole 11 is used for discharging the slurry in the grouting cavity out of the corrugated pipe 10.
In the present embodiment, the bellows 10 may be provided with corrugations only on the outer wall, or may be provided with corrugations on both the inner wall and the outer wall. The former can be at the outer wall welding spiral muscle of pipe, perhaps a plurality of annular muscle of arranging along the axial. By arranging the corrugated sleeve valve tube assembly comprising the corrugated tube 10, the one-way valve 20, the grouting tube 30 and the sealing elements 40, the grouting material such as concrete is injected into grouting cavities formed by the two sealing elements 40 in the corrugated tube 10 from the grouting tube 30 through the second through holes 31, and then the grouting material is discharged out of the corrugated tube 10 through the first through holes 11 so as to fill structural gaps in the grouting area and gaps between the grouting area and the corrugated tube 10, the integral structural strength of the grouting area and the connection strength between the grouting area and the corrugated tube 10 can be enhanced after the grouting material is hardened, and the problem of insufficient adhesive force between the support outer tube and the grouting area is solved.
In one embodiment, the outer wall of the bellows 10 is provided with a plurality of annular grooves, which are spaced apart along the axial direction of the bellows 10. In this embodiment, the bellows 10 is made by turning a spiral groove or turning a plurality of annular grooves in the outer wall of a round tube. In this embodiment, the outer wall of the bellows 10 is provided with a spiral groove. The inner wall is smooth and the two seals 40 are optionally fixed to pistons arranged outside the grouting pipe 30. The outer peripheral wall of the piston is attached to the smooth inner wall of the corrugated pipe 10, and the sealing and isolating functions are achieved.
The outer wall and the inner wall of the bellows 10 are respectively provided with a spiral groove, and the outer peripheral wall of the sealing member 40 is provided with a spiral protrusion adapted to the spiral groove. In this embodiment, the corrugated tube 10 is formed by winding and welding thin steel plates, and is formed by pressing spiral grooves inside and outside the tube wall, and the convex part of the outer wall corresponds to the concave part of the inner wall. The same threads are also provided for the outer walls of the corresponding two seals 40 for mating with the threads on the interior. When the layered grouting is carried out, the grouting of the region corresponding to the first through hole 11 at the lower layer is finished, and the grouting pipe 30 can be rotated to drive the sealing piece 40 to rotate, so that the lifting in the corrugated pipe 10 is realized, and the grouting cavity is communicated with the first through hole 11 at the upper layer.
In one embodiment, the bellows 10 is disposed close to one end of the second through hole to form a close end. In this embodiment, the bellows sleeve valve tube assembly further includes a plug disposed at the closing end, and the plug is used for plugging the closing end. In grouting, the lower end of the grouting pipe 30 is closed, and the grouting pipe 30 is abutted with the plug in grouting, so that the slurry is prevented from flowing back from the lower side of the corrugated pipe 10. In addition, the outer wall of the plug is provided with threads corresponding to the corrugated pipe 10, so that fixed connection is realized. The closed end can also be completely closed when the bellows 10 is manufactured.
In one embodiment, the bellows 10 includes, adjacent to the one-way valve 20:
a valve sleeve, which is used for sleeving the corrugated pipe 10, and is provided with a fourth through hole for communicating with the first through hole 11;
the elastic valve nozzle is arranged on the valve sleeve, one end of the elastic valve nozzle is communicated with the first through hole 11, and the other end of the elastic valve nozzle is closed and extends out of the valve sleeve; the resilient valve mouth opens only when the internal pressure of the resilient valve mouth is greater than the external pressure.
In this embodiment, the check valve 20 is made of rubber, two ends of the valve sleeve are fixed on the corrugated tube 10 through the clamp, and glue can be arranged on the outer wall of the corrugated tube 10 to fill the gap between the valve sleeve and the corrugated tube 10. Avoiding the back flow of slurry from the gap into the bellows 10. The elastic valve mouth is in a normally closed state, and the slurry in the grouting cavity is discharged from the elastic valve mouth during grouting, but when the external pressure is greater than the pressure in the grouting cavity, the external slurry extrudes the elastic valve mouth, so that the elastic valve mouth is closed, and the unidirectional intercepting effect is achieved.
In one embodiment, the bellows sleeve assembly further comprises:
a slurry inlet pipe 50 disposed at an end of the slurry inlet pipe 30 remote from the corrugated pipe 10;
a joint assembly 63 for connecting and communicating the slurry inlet pipe 50 and the slurry inlet pipe 30;
a pressure gauge 61 for measuring the pressure in the slurry inlet pipe 50;
and a valve 62, one end of which is communicated with the slurry inlet pipe 50, and the other end of which is communicated with the grouting machine.
In the present embodiment, the grouting pipe 30 is rotatable relative to the grouting pipe 50 by providing the joint assembly 63 to connect the grouting pipe 50 and the grouting pipe 30, whereby the sealing member 40 is rotatable with the grouting pipe 30 to move inside the corrugated pipe 10. The pressure gauge 61 is used for detecting the pressure in the pipe, when the pressure in the pipe is greater than the set grouting pressure, the valve 62 can be closed, grouting of the layer of the geotechnical structure is stopped, and the grouting pipe 30 can be rotated subsequently to adjust the position of the sealing element 40 in the corrugated pipe 10.
According to the utility model, by arranging the corrugated sleeve valve pipe assembly comprising the corrugated pipe 10, the one-way valve 20, the grouting pipe 30 and the sealing elements 40, slurry such as concrete is injected into grouting cavities formed by the two sealing elements 40 in the corrugated pipe 10 from the grouting pipe 30 through the second through holes, and then the slurry is discharged out of the corrugated pipe 10 through the first through holes 11 so as to fill in structural gaps of a grouting area and gaps between the grouting area and the corrugated pipe 10, and the structural strength of the whole grouting area and the connection strength between the grouting area and the corrugated pipe 10 can be enhanced after the slurry is hardened, so that the problem of insufficient adhesive force between a support outer pipe and the grouting area is solved.
In some implementations, the corrugated pipe 10 is formed by pressing a steel belt, a plurality of grouting holes are formed in the periphery side, holes are perforated in a segmented mode, the holes are shaped like quincuncial holes, the vertical distance of the holes is 20mm, the diameter of the holes is 1.5mm, and 4 holes are formed in each circle. The corrugated tube 10 is internally surface-finished with spiral grooves of about 10mm deep and uniformly disposed around. In the present embodiment, the corrugated pipe 10 is processed with spiral grooves, which increases the contact area between the corrugated pipe 10 and the soil layer, but does not change the radius of the drilled hole, which can facilitate construction. Because the corrugated pipe 10 is hollow and has holes, the inner and outer grouting can be realized functionally, so that the filling of the reinforcing material is ensured, and the grouting process is realized. The corrugated pipe 10 can further enlarge the contact area between the soil layer and the reinforcing material, improve the adhesive force between the soil layer, the reinforcing material and the steel pipe, strengthen the reinforcing effect, improve the drawing bearing capacity of the steel pipe and form the steel pipe with high bearing capacity.
In some embodiments, a plurality of grouting holes, namely, the first through holes 11 are formed around the corrugated pipe 10, the aperture of each hole is 20mm, the intervals are 80mm, the corrugated pipe 10 is filled with holes and is diffused to surrounding soil layers, and due to the fact that a spiral structure is designed, the filling amount and grouting pressure of materials can be adjusted through a spiral grouting plug, meanwhile, construction is convenient, and a good reinforcing effect is achieved. And a plurality of grouting holes are processed on the pipe body and are distributed at equal intervals along the axial direction and the radial direction of the steel pipe respectively, so that the slurry is ensured to fill and wrap the steel pipe more uniformly and spread around.
In some embodiments, the grouting mode: the grouting machine adopts an extrusion pump. A slurry stream capable of controlling the time of stones is injected into the loose soil. Extruding the body, and under the action of pressure, performing physical and chemical actions such as infiltration, compaction splitting, cementing and the like on the body. Grouting pipe 30 is buried in the soil. Plays a role of tube staggering. The main parameters which must be achieved in practical construction are as follows: 1. drilling depth, namely, the depth of the hole must enter a bearing layer by 100cm, and the actual construction is taken as the standard; 2. the slurry mixture ratio is that cement-based high molecular polymer cement is prepared with the cement-based high molecular polymer cement ratio of 1:1, and a proper amount of additive is added; 3. grouting pressure: 0.8-1.5Mpa; 4. end standard: and stabilizing the pressure for 5-10min under the final pressure condition. The anchor pipe grouting adopts a sectional grouting process, and the key points of the procedures are as follows: 1. drilling: drilling to the designed depth, wherein the vertical deviation of drilling is less than 1%; 2. inserting a movable sleeve valve pipe, wherein the sleeve valve pipe is positioned at the center of the drilling hole; 3. grouting: and (5) performing static pressure grouting. The grouting flow is controlled at 7-10L/s. In the grouting process, ground grouting or pressure mutation occurs, and grouting should be stopped; 4. after the grouting is finished and the slurry is initially set, the next section of grouting is carried out until the orifice of the grouting pipe 30.
The inner and outer grouting process for the corrugated sleeve valve pipe comprises the following steps of:
drilling a working hole 70 in a target area;
inserting a corrugated sleeve valve pipe assembly into the working hole 70, wherein the corrugated sleeve valve pipe assembly comprises a corrugated pipe 10 and a grouting pipe 30 which are sequentially arranged from outside to inside, and an axially arranged grouting hole is arranged outside the corrugated pipe 10;
the service hole 70 is subjected to stratified vacuum grouting until the slurry completely fills the target area.
The utility model arranges the corrugated sleeve valve pipe assembly comprising the corrugated pipe 10 and the grouting pipe 30 in the working hole 70, so that the grouting material is sequentially discharged outside the corrugated pipe 10 through the grouting pipe 30 and the corrugated pipe 10 to fill the structural gaps of the grouting area and the gaps between the grouting area and the corrugated pipe 10, and simultaneously, the grouting material can be filled into the area farther away from the grouting pipe in a vacuum grouting mode.
In some embodiments, referring to fig. 1-2, the layered grouting of the working hole 70 includes the steps of:
performing static pressure grouting on the grouting pipe 30, so that the grouting material sequentially flows through the lower grouting pipe 30, the corrugated pipe 10, the grouting holes, the gap between the working hole 70 and the corrugated pipe 10 and the rock-soil gap of the target area;
the grouting pipe 30 is moved to the orifice of the working hole 70 by a certain distance, and the next grouting is performed, so that the grouting is discharged from the upper grouting hole. Said moving the grouting pipe 30 a distance towards the orifice of the working bore 70 comprises the steps of:
the grouting pipe 30 is rotated so that a piston (sealing member 40) which is fixedly provided at the outer circumference of the grouting pipe 30 and is screw-engaged with the corrugated pipe 10 moves from a region between the lower layer grouting hole and the upper layer grouting hole to a side of the upper layer grouting hole away from the lower layer grouting hole. In this step, only one piston is provided to divide the bellows 10 into a lower grouting chamber 12 and an upper non-grouting chamber 12, thereby realizing layered grouting. After grouting, the corrugated tube 10 is also filled with concrete to form a core concrete.
In some embodiments, referring to fig. 1-2, moving the grouting pipe 30 a distance toward the orifice of the working bore 70 comprises the steps of:
the grouting pipe 30 is rotated so that two pistons (sealing members 40) fixed to the outer circumference of the grouting pipe 30 and spaced apart from each other move from both sides of the lower layer grouting hole to both sides of the upper layer grouting hole. In this step, two pistons are provided, the corrugated pipe 10 is divided into a grouting cavity 12 in the middle and non-grouting cavities 12 at two sides, after one layer of grouting is completed, the two pistons move upwards synchronously, the grouting material in the grouting cavity 12 is carried upwards, a cavity is formed in the non-grouting cavity 12 below, and meanwhile, due to the arrangement of the one-way valve 20, the concrete outside the corrugated pipe 10 can be blocked from flowing back into the non-grouting cavity 12 below. After grouting, the inside of the corrugated pipe 10 is not filled with concrete.
In some embodiments, referring to fig. 1-2, moving the grouting pipe 30 a distance toward the orifice of the working bore 70 comprises the steps of: when the internal pressure of the grouting pipe 30 is greater than the set pressure, the grouting valve 62 communicating with the grouting pipe 30 is closed. Since the grouting pipe 30 and the grouting pipe 50 are connected through the joint assembly 60, the grouting pipe 30 and the grouting pipe 50 can rotate relatively, so that the position of the piston in the grouting pipe 30 can be adjusted.
In some embodiments, referring to fig. 1 to 2, before the step of grouting the working hole 70 in layers, the method further includes the following steps:
an exhaust pipe is inserted into the working hole 70, the orifice of the working hole 70 is blocked, and then the air in the working hole 70 and the corresponding rock-soil structure is exhausted. The suction pipe can be inserted into the bottom of the working hole 70, and the outer wall of the suction pipe is provided with air holes which are axially arranged. The bleed holes are located in the gap between the bellows 10 and the service hole 70. It is also possible to provide only the suction pipe at the orifice of the working hole 70. Air in its strata 74 is drawn through the working holes 70 and negative pressure is created for rapid penetration of the slurry.
The utility model also provides a corrugated sleeve valve pipe assembly which is manufactured by applying the process of grouting inside and outside the corrugated sleeve valve pipe.
In some embodiments, referring to fig. 1-2, the bellows sleeve assembly includes:
a bellows 10;
a concrete layer 72 provided on the outer circumference of the bellows 10, and having an inner wall fitted to an outer wall of the corrugated layer;
an extension 73 extending from the concrete pipe to the periphery;
a rock layer 74 is located at the outer periphery of the corrugated pipe 10, and a gap structure filled by the extension 73 is included in the rock layer 74.
In this embodiment, the inner wall of the concrete layer 72 is embedded with the outer wall of the corrugated tube 10, and the external extension portion 73 is filled into the gap structure of the rock-soil layer 74, so that the structural strength of each layer in the target area is improved, and the supporting strength of the corrugated tube 10 is also enhanced.
In some embodiments, referring to fig. 1-2, the bellows sleeve assembly further includes lattice concrete disposed at an upper end of the bellows 10. By arranging the lattice concrete, the structural strength of the orifice of the working hole 70 is greatly improved, and a certain sealing effect is also achieved.
In some embodiments, referring to fig. 1-2, the bellows sleeve assembly further includes a core concrete disposed in the bellows 10. By filling the bellows 10 with concrete to form a core concrete, reinforcing steel bars can be arranged in the core concrete, the structural strength of the target area is further improved,
according to the utility model, the corrugated sleeve valve pipe assembly comprising the corrugated pipe 10 and the grouting pipe 30 is arranged in the working hole 70, so that slurry is sequentially discharged out of the corrugated pipe 10 through the grouting pipe 30 and the corrugated pipe 10 to fill the structural gaps of the grouting area and the gaps between the grouting area and the corrugated pipe 10, and the structural strength of the whole grouting area and the connection strength between the grouting area and the corrugated pipe 10 can be enhanced after the slurry is hardened.
In this embodiment, the working hole is drilled to the designed depth, and the vertical deviation of the drilling hole is less than 1%; the inserted corrugated sleeve assembly should try to locate the sleeve in the center of the borehole; the grouting flow is controlled at 7-10L/s. The grouting should be stopped when the ground surface is caving or the pressure is suddenly changed during the grouting process. After the grouting is finished and the slurry is initially set, the next section of grouting is carried out until the orifice of the grouting pipe 30.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. A bellows sleeve assembly, comprising:
the outer wall of the corrugated pipe is provided with a first through hole along the axial direction of the corrugated pipe;
the one-way valve is arranged on the corrugated pipe and communicated with the first through hole and used for blocking slurry from outside the corrugated pipe to enter the corrugated pipe through the first through hole;
one end of the grouting pipe is arranged in the corrugated pipe, one end of the grouting pipe inserted into the corrugated pipe is closed, and a second through hole for the slurry to enter the corrugated pipe is formed in the outer wall of the grouting pipe;
the two sealing pieces are fixedly arranged on the grouting pipe, the two sealing pieces are mutually spaced, the second through hole is positioned between the two sealing pieces, the peripheral walls of the two sealing pieces are attached to the inner wall of the corrugated pipe, and a grouting cavity for containing the slurry is formed in the corrugated pipe;
the first through hole is used for discharging the slurry in the grouting cavity out of the corrugated pipe.
2. A bellows sleeve assembly according to claim 1, wherein the outer wall of the bellows is provided with a plurality of annular grooves spaced axially along the bellows.
3. A bellows sleeve assembly according to claim 1, wherein the outer wall of the bellows is provided with a helical groove.
4. A bellows sleeve valve assembly according to claim 1, wherein the outer wall and the inner wall of the bellows are provided with a spiral groove, respectively, and the outer peripheral wall of the seal is provided with a spiral protrusion adapted to the spiral groove.
5. A bellows sleeve assembly according to claim 1, wherein the bellows is configured to close up to one end of the second through hole to form a closed end.
6. A bellows sleeve assembly as claimed in claim 5, further comprising a plug disposed at the closed end, the plug for plugging the closed end.
7. A bellows sleeve valve assembly according to claim 1, wherein the bellows proximate the one-way valve comprises:
the valve sleeve is used for sleeving the corrugated pipe, and a fourth through hole used for communicating the first through hole is formed in the valve sleeve;
the elastic valve nozzle is arranged on the valve sleeve, one end of the elastic valve nozzle is communicated with the first through hole, and the other end of the elastic valve nozzle is closed and extends out of the valve sleeve; the resilient valve mouth opens only when the internal pressure of the resilient valve mouth is greater than the external pressure.
8. The bellows sleeve assembly of claim 1, further comprising:
the grouting pipe is arranged at one end of the grouting pipe far away from the corrugated pipe;
the joint assembly is used for connecting and communicating the grouting pipe and the grouting pipe;
the pressure gauge is used for measuring the pressure in the slurry inlet pipe;
and one end of the valve is communicated with the slurry inlet pipe, and the other end of the valve is communicated with the grouting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176541.9U CN219547806U (en) | 2022-11-29 | 2022-11-29 | Corrugated sleeve valve pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176541.9U CN219547806U (en) | 2022-11-29 | 2022-11-29 | Corrugated sleeve valve pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219547806U true CN219547806U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223176541.9U Active CN219547806U (en) | 2022-11-29 | 2022-11-29 | Corrugated sleeve valve pipe assembly |
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|---|---|
| CN (1) | CN219547806U (en) |
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2022
- 2022-11-29 CN CN202223176541.9U patent/CN219547806U/en active Active
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