CN216713078U

CN216713078U - Leaking stoppage slip casting device

Info

Publication number: CN216713078U
Application number: CN202122675050.8U
Authority: CN
Inventors: 伍浩; 夏孝元; 周震钧; 常彦博; 赵刚; 陈朝明
Original assignee: Sinohydro Bureau 8 Co Ltd
Current assignee: Sinohydro Bureau 8 Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-06-10
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a leakage-stopping grouting device which comprises a grouting pipe, a sliding ring and a liquid capsule filled with liquid, wherein the sliding ring is sleeved at one end of the grouting pipe, the liquid capsule surrounds the periphery of the grouting pipe, two ends of the liquid capsule are respectively fixed on the grouting pipe and the sliding ring, and an elastic mechanism for locking and releasing the grouting pipe and the sliding ring is arranged between the sliding ring and the grouting pipe. The plugging and grouting device realizes quick plugging, improves the construction safety and the construction efficiency, and reduces the construction cost.

Description

Leaking stoppage slip casting device

Technical Field

The utility model relates to the technical field of sealing or packing in a borehole, in particular to a leaking stoppage grouting device.

Background

At present, the underground engineering often has the condition of structural leakage, particularly for underground building enclosures and building enclosures such as underground diaphragm walls and piles, holes are generated at the joint parts between the underground diaphragm walls and the joint parts between the piles due to the fact that joints are not cleaned, mud is unqualified, concrete slag is included and waterproof curtains are unqualified, the risk of water gushing and sand gushing is generated in the excavation process, and huge potential safety hazards are caused to the underground engineering excavation. In the conventional emergency treatment method, a grouting pipe is embedded in a hole, then a gap of the hole wall is blocked by using quick-hardening cement, and after the strength of the cement meets the requirement, plugging materials such as cement slurry and the like are injected into the grouting pipe under internal pressure. The process has the following defects:

1) the plugging time is long, and grouting can be performed only after the plugging material of the hole wall is required to be of equal strength, so that the dangerous case is further expanded;

2) the water and sand gushing time in the foundation pit is long, and even if a grouting pipe is placed in the hole and the hole wall gap is filled with a plugging material, slurry continuously flows into the foundation pit from the grouting pipe;

3) the slip casting pipe is disposable input, can not used repeatedly, and the gap between slip casting pipe and the hole is great simultaneously, and shutoff material consumes much, and construction cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a plugging and grouting device which realizes quick plugging, improves the construction safety and the construction efficiency and reduces the construction cost.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a leaking stoppage slip casting device, includes slip casting pipe, slides the ring and is filled with the liquid capsule of liquid in, the one end of slip casting pipe is located to the ring cover that slides, the liquid capsule encircles in the periphery of slip casting pipe, and on the both ends of liquid capsule fixed slip casting pipe and slide the ring respectively, be equipped with between slip ring and the slip casting pipe and be used for locking and loosen the elasticity mechanism between them.

As a further improvement of the above technical solution:

the one end that slides the ring and keep away from liquid capsule is equipped with the toper ring, be equipped with a plurality of deformation grooves along circumference interval distribution on the toper ring, the elasticity mechanism includes fastening sleeve and locates the elasticity clamping ring of fastening sleeve inner wall, fastening sleeve and slide ring threaded connection, the inner peripheral surface of elasticity clamping ring and the outer peripheral face of toper ring are the circular conical surface of mutual butt.

The fastening sleeve is provided with a screwing part.

And a plurality of sealing rings which are arranged at intervals along the axial direction of the grouting pipe are arranged between the grouting pipe and the liquid capsule.

And two ends of the liquid capsule are respectively fixed on the grouting pipe and the sliding ring through an annular fastener.

The annular fastener comprises a first semicircular hoop body and a second semicircular hoop body, one end of the first semicircular hoop body is hinged to one end of the second semicircular hoop body, and the other end of the first semicircular hoop body is locked and connected with the other end of the second semicircular hoop body.

The locking end of the first semicircular hoop body is provided with a jack and a lock pin, the locking end of the second semicircular hoop body is provided with an inserting portion, the inserting portion is inserted into the jack, and the lock pin penetrates through the inserting portion.

And the inner wall of the annular fastener is provided with a concave ring or a convex ring, and the outer walls of the sliding ring and the grouting pipe are provided with annular bulges or annular grooves matched with the concave ring or the convex ring.

The slip casting pipe is kept away from the one end of sliding ring and is equipped with outside bellied solid fixed ring, liquid capsule embraces and locates on solid fixed ring.

And a valve is arranged at one end of the grouting pipe close to the sliding ring, a socket end is arranged at the other end of the grouting pipe, and a one-way damper is arranged in the socket end.

Compared with the prior art, the utility model has the advantages that:

the plugging and grouting device disclosed by the utility model is placed in a hole with water leakage or slurry, and the sliding ring is pushed to immediately plug the hole water leakage or slurry, so that external water or slurry is prevented from flowing into the hole, the rapid plugging is realized, and the construction safety and the construction efficiency are improved. And the plugging and grouting device can be detached for repeated use after being used, so that the construction cost is reduced. The plugging and grouting device realizes quick plugging, improves the construction safety and the construction efficiency, and reduces the construction cost.

According to the leakage-stopping grouting device, when the fastening sleeve is screwed, the elastic pressing ring abuts against the conical ring to enable the conical ring to be tightly pressed on the grouting pipe, and the locking effect on the sliding ring is achieved. On the contrary, when the fastening sleeve is unscrewed, the elastic pressing ring loosens the conical ring, the pressing effect of the conical ring on the grouting pipe is removed, and therefore the locking effect on the sliding ring is removed. Simple structure and convenient operation.

According to the plugging and grouting device, the liquid capsule is clamped by the matching of the concave ring and the annular bulge or by the clamping of the convex ring and the annular groove, so that the water seepage path is increased, and the liquid capsule is prevented from leaking.

Drawings

Fig. 1 is an installation diagram of the plugging grouting device of the utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a cross-sectional view of C-C in fig. 2.

Fig. 5 is a cross-sectional view D-D in fig. 2.

Fig. 6 is a cross-sectional view of E-E in fig. 2.

Fig. 7 is a plugging diagram of the plugging grouting device of the utility model.

The reference numerals in the figures denote:

1. a grouting pipe; 11. a fixing ring; 12. a valve; 13. a spigot-and-socket end; 2. a glide ring; 21. a conical ring; 22. a deformation groove; 23. an annular projection; 24. an annular groove; 3. a liquid capsule; 4. a tightening mechanism; 41. fastening the sleeve; 411. a screwing part; 42. tightening and loosening the compression ring; 5. a seal ring; 6. an annular fastener; 61. a first semi-circular hoop body; 611. a jack; 612. a lock pin; 62. a second semi-circular hoop body; 621. a plug-in part; 7. a concave ring; 8. a convex ring; 9. a one-way damper; 91. an earth formation; 92. an enclosure structure; 93. and (4) holes.

Detailed Description

The utility model will be described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 7 show an embodiment of the plugging and grouting device of the present invention, which includes a grouting pipe 1, a sliding ring 2 and a liquid capsule 3 filled with liquid, wherein the sliding ring 2 is sleeved on one end of the grouting pipe 1, the liquid capsule 3 surrounds the periphery of the grouting pipe 1, two ends of the liquid capsule 3 are respectively fixed on the grouting pipe 1 and the sliding ring 2, and an elastic mechanism 4 for locking and releasing the two is arranged between the sliding ring 2 and the grouting pipe 1. The sliding ring 2 is tightly attached to the outer wall of the grouting pipe 1.

When in use, as shown in fig. 1, the plugging grouting device is inserted into a hole 93 which is leaked in an enclosure structure 92 at the outer side of a stratum 91, one end of a grouting pipe 1, which is far away from a sliding ring 2, is inserted into the stratum 91, the sliding ring 2 is positioned outside the hole 93, and the inner end of a liquid capsule 3 is close to the stratum 91; then the sliding ring 2 moves into the hole 93 until the liquid capsule 3 is compressed and deformed to be tightly attached to the inner wall of the hole 93 (as shown in fig. 7), and the sliding ring 2 is fixed on the grouting pipe 1 through the elastic mechanism 4; then, injecting grout into the stratum 91 through the outer end of the grouting pipe 1, wherein the grout adopts cement paste or cement-water-glass double-liquid grout; then, after the grout reaches the designed strength to completely block the inner end of the hole 93, the elastic mechanism 4 loosens the sliding ring 2, and then the sliding ring 2 moves out of the hole 93, so that the plugging and grouting device is taken out; and finally, filling and sealing the hole 93 by cement mortar and other materials.

After the plugging grouting device is placed in the hole 93 with water leakage or slurry, the sliding ring 2 is pushed to immediately plug the hole 93 with water leakage or slurry, so that external water or slurry is prevented from flowing into the hole 93, rapid plugging is realized, and the construction safety and the construction efficiency are improved. And the plugging and grouting device can be detached for repeated use after being used, so that the construction cost is reduced. The plugging and grouting device realizes quick plugging, improves the construction safety and the construction efficiency, and reduces the construction cost.

In this embodiment, as shown in fig. 2 and 4, a tapered ring 21 is disposed at one end of the sliding ring 2 away from the liquid capsule 3, a plurality of deformation grooves 22 are circumferentially spaced on the tapered ring 21, the tightening mechanism 4 includes a fastening sleeve 41 and a tightening ring 42 disposed on an inner wall of the fastening sleeve 41, the fastening sleeve 41 is in threaded connection with the sliding ring 2, and an inner circumferential surface of the tightening ring 42 and an outer circumferential surface of the tapered ring 21 are conical surfaces abutting against each other. The fastening sleeve 41 is provided with a screw portion 411.

Specifically, the elastic pressing ring 42 is disposed in the middle of the fastening sleeve 41, one end of the fastening sleeve 41, which is far away from the tapered ring 21, is in threaded connection with the sliding ring 2, and the outer diameter of the tapered ring 21 gradually decreases as the distance from the sliding ring 2 increases. When the fastening sleeve 41 is screwed, the elastic pressing ring 42 abuts against the conical ring 21 to press the conical ring 21 on the grouting pipe 1, so that the sliding ring 2 is locked. Conversely, when the fastening sleeve 41 is unscrewed, the loosening and tightening ring 42 loosens the tapered ring 21, and releases the pressing action of the tapered ring 21 on the grouting pipe 1, thereby releasing the locking action on the slide ring 2. Simple structure and convenient operation.

In the present embodiment, as shown in fig. 2 and 3, a plurality of sealing rings 5 are disposed between the grouting pipe 1 and the liquid capsule 3 at intervals along the axial direction of the grouting pipe 1. Specifically, the sealing rings 5 are densely arranged on the outer wall of the grouting pipe 1 at equal intervals, with a radius of 1.5mm and an interval of 6mm, and when the sliding ring 2 moves into the hole 93, the sealing rings 5 will be compressed between the grouting pipe 1 and the liquid capsule 3, so as to ensure the sealing performance between the grouting pipe 1 and the liquid capsule 3. The sealing ring 5 is a rubber ring.

In this embodiment, two ends of the liquid capsule 3 are fixed on the grouting pipe 1 and the sliding ring 2 respectively through the annular fastener 6. Specifically, one end of the liquid capsule 3 is held tightly on the grouting pipe 1 by an annular fastener 6, and the other end is held tightly on the slide ring 2 by another annular fastener 6.

In this embodiment, as shown in fig. 5, the ring fastener 6 includes a first semi-circular hoop body 61 and a second semi-circular hoop body 62, one end of the first semi-circular hoop body 61 and one end of the second semi-circular hoop body 62 are hinged, and the other end is locked. The first semicircular hoop body 61 and the second semicircular hoop body 62 are locked and connected to form a hoop structure, and the hoop structure is simple in structure and convenient to disassemble and assemble. Specifically, the locking end of the first semicircular hoop body 61 is provided with an insertion hole 611 and a locking pin 612, the locking end of the second semicircular hoop body 62 is provided with an insertion part 621, the insertion part 621 is inserted into the insertion hole 611, and the locking pin 612 penetrates through the insertion part 621. When the locking pin 612 is pulled out, the locking connection between the first semicircular hoop body 61 and the second semicircular hoop body 62 can be released.

In this embodiment, as shown in fig. 2 and 3, a concave ring 7 or a convex ring 8 is provided on the inner wall of the annular fastener 6, and an annular protrusion 23 or an annular groove 24 that is engaged with the concave ring 7 or the convex ring 8 is provided on the outer walls of the slip ring 2 and the grouting pipe 1. Specifically, the inner walls of the first and second

semicircular hoop bodies

61 and 62 are respectively provided with a half concave ring 7 or a half convex ring 8, and after the first and second

semicircular hoop bodies

61 and 62 are locked, the half concave rings 7 or the half convex rings 8 on the inner walls of the first and second

semicircular hoop bodies

61 and 62 are spliced into the whole concave ring 7 or the whole convex ring 8. Under the clamping action of the matching of the concave ring 7 and the annular bulge 23 or the clamping action of the convex ring 8 and the annular groove 24, the liquid capsule 3 increases the water seepage path and prevents the liquid capsule 3 from leaking.

In this embodiment, as shown in fig. 3, an outwardly protruding fixing ring 11 is disposed at one end of the grouting pipe 1 away from the sliding ring 2, and the liquid capsule 3 is clasped on the fixing ring 11. Specifically, the outer diameter of the fixing ring 11 is the same as that of the annular fastener 6, the fixing ring 11 is arranged close to the annular fastener 6 tightly held on the outer wall of the grouting pipe 1, the water seepage path is further increased under the jacking action of the fixing ring 11, and the liquid capsule 3 is further prevented from leaking.

In this embodiment, a valve 12 is disposed at one end (the end extending out of the hole 93 when in use) of the grouting pipe 1 close to the sliding ring 2, and a spigot-and-socket end 13 is disposed at the other end, and a one-way damper 9 is disposed in the spigot-and-socket end 13. In use, the spigot end 13 is inserted into the formation 91. Under the action of the one-way damper 9, the grout can only enter but not exit, namely, the grout can only be injected into the stratum 91 from the grouting pipe 1 and can not flow reversely, so that the grouting effect is ensured.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a leaking stoppage slip casting device which characterized in that: the slip ring comprises a slip pipe (1), a slip ring (2) and a liquid capsule (3) filled with liquid, wherein the slip ring (2) is sleeved at one end of the slip pipe (1), the liquid capsule (3) surrounds the periphery of the slip pipe (1), the two ends of the liquid capsule (3) are respectively fixed on the slip pipe (1) and the slip ring (2), and an elastic mechanism (4) used for locking and loosening the slip ring (2) and the slip pipe (1) is arranged between the slip ring (2) and the slip pipe (1).

2. A lost circulation grouting device according to claim 1, characterized in that: slide ring (2) and keep away from the one end of liquid capsule (3) and be equipped with toper ring (21), be equipped with a plurality of deformation grooves (22) along circumference interval distribution on toper ring (21), elasticity mechanism (4) are including fastening sleeve (41) and locate fastening sleeve (41) inner wall's elasticity clamping ring (42), fastening sleeve (41) and slide ring (2) threaded connection, the conical surface that the inner peripheral surface of elasticity clamping ring (42) and the outer peripheral face of toper ring (21) are mutual butt.

3. A lost circulation slip casting device according to claim 2, characterized in that: the fastening sleeve (41) is provided with a screwing part (411).

4. A lost circulation grouting device according to claim 1, characterized in that: a plurality of sealing rings (5) which are arranged along the axial direction of the grouting pipe (1) at intervals are arranged between the grouting pipe (1) and the liquid capsule (3).

5. A lost circulation grouting device according to claim 1, characterized in that: two ends of the liquid capsule (3) are respectively fixed on the grouting pipe (1) and the sliding ring (2) through an annular fastener (6).

6. A leaking stoppage grouting device according to claim 5, characterized in that: the annular fastener (6) comprises a first semicircular hoop body (61) and a second semicircular hoop body (62), one end of the first semicircular hoop body (61) is hinged to one end of the second semicircular hoop body (62), and the other end of the first semicircular hoop body is locked.

7. A lost circulation slip casting device of claim 6, characterized in that: the locking end of the first semicircular hoop body (61) is provided with an inserting hole (611) and a lock pin (612), the locking end of the second semicircular hoop body (62) is provided with an inserting part (621), the inserting part (621) is inserted into the inserting hole (611), and the lock pin (612) penetrates through the inserting part (621).

8. A lost circulation slip casting device of claim 5, characterized in that: the inner wall of the annular fastener (6) is provided with a concave ring (7) or a convex ring (8), and the outer walls of the sliding ring (2) and the grouting pipe (1) are provided with an annular bulge (23) or an annular groove (24) matched with the concave ring (7) or the convex ring (8).

9. A lost circulation slip casting device of claim 5, characterized in that: slip ring (2) was kept away from in slip pipe (1) one end is equipped with outside bellied solid fixed ring (11), liquid capsule (3) embrace locate solid fixed ring (11).

10. A lost circulation grouting device according to any one of claims 1 to 9, characterized in that: one end of the grouting pipe (1) close to the sliding ring (2) is provided with a valve (12), the other end of the grouting pipe is provided with a socket end (13), and a one-way damper (9) is arranged in the socket end (13).