CN213065109U

CN213065109U - Casing interlayer grouting reinforcement repair pipeline

Info

Publication number: CN213065109U
Application number: CN202021365185.3U
Authority: CN
Inventors: 沈鑫聪
Original assignee: Jianghan University
Current assignee: Jianghan University
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-27
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a casing intermediate layer grout consolidates restoration pipeline, the female joint comprises an outer tube, the sleeve pipe has been pegged graft in the activity of outer tube, the sleeve pipe activity has cup jointed two water-swelling sealing strips, be equipped with four solid fixed rings on the outer tube inside wall, be equipped with four water injection holes on the lateral wall of outer tube, and four two liang of relative settings in water injection hole, be equipped with the annular water cavity with water injection hole intercommunication in the outer tube, the water course and the inside intercommunication of outer tube that the annular water cavity set up through a plurality of equidistance arrays, be equipped with four screw holes on the lateral wall of outer. The utility model discloses a set up water injection hole and annular water cavity and can make water-swelling sealing rod evenly absorb water, avoided the water injection hole to be blockked up, and lead to partial water-swelling sealing rod to fail the problem of water absorption inflation, guaranteed its sealed effect, make things convenient for the sleeve pipe to carry on spacingly to the sleeve pipe in the gliding of outer tube through setting up limiting plate and ball, avoid influencing its repairing effect because of the sleeve pipe position is inaccurate.

Description

Casing interlayer grouting reinforcement repair pipeline

Technical Field

The utility model relates to a pipeline repair technical field especially relates to a casing intermediate layer is in milk and is consolidated repair pipeline.

Background

The service life of various pipelines is limited, after long-time use, various cracks and damages are inevitably generated due to corrosion, artificial impact and other reasons, so that the problem of pipeline leakage is caused, and pipeline repair refers to that various technologies are adopted to restore the normal use function of the damaged and leaked conveying pipeline. The pipeline repairing comprises a repairing method of casing interlayer grouting, two ends of a casing need to be plugged in the grouting process, the plugging process is troublesome, the plugging effect is poor, and the phenomenon of slurry leakage is easily caused.

Through the retrieval, national patent number CN 208535444U discloses a casing intermediate layer grout reinforcement restoration pipeline, including the outer tube, seted up two sets of first screw hole on the outer tube, every group is total four, and four first screw hole equidistance annular distributions, first screw hole screw-thread fit has locking screw, and locking screw is hollow screw, the activity is pegged graft in the outer tube has the sleeve pipe, the sleeve pipe activity has been cup jointed two and has met water inflation sealing rod, and two meet water inflation sealing rod respectively with two sets of first screw holes corresponding.

The existing grouting reinforcement and repair pipeline for the casing interlayer has the following defects: 1. when water is injected, the part of the water-swelling water stop strip close to the water injection hole is easy to rapidly swell and block the water injection hole, so that an operator mistakenly thinks that the water-swelling water stop strip seals the gap between the outer pipe and the sleeve pipe, and the sealing effect of the water-swelling water stop strip cannot be ensured; 2. the shape of the water-swelling water stop strip is indefinite when meeting water, the support screw cannot limit the sleeve well, and the central position of the sleeve in the outer pipe cannot be ensured, so that the repair effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the repair effect is not good among the prior art, and the casing interlayer grout reinforcement repair pipeline that easy operation repair effect is good that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a casing intermediate layer grout consolidates restoration pipeline, includes the outer tube, the sleeve pipe has been pegged graft in the activity of outer tube, the sleeve pipe activity has been cup jointed two water swelling sealing strips, be equipped with four solid fixed rings on the outer tube inside wall, be equipped with four water injection holes on the lateral wall of outer tube, and four two liang of relative settings in water injection hole, be equipped with the annular water cavity with water injection hole intercommunication in the outer tube, the water course and the inside intercommunication of outer tube that annular water cavity set up through a plurality of equidistance arrays, be equipped with four screw holes on the lateral wall of outer tube, threaded hole is equipped with and is used.

Preferably, the guiding-in mechanism includes the screw thread gag lever post with screw hole threaded connection, the one end fixedly connected with of screw thread gag lever post rotates the handle, the other end of screw thread gag lever post rotates and is connected with the limiting plate, the limiting plate passes through the inside wall fixed connection of two springs and outer tube, it is equipped with the ball to inlay on the lateral wall that the screw thread gag lever post was kept away from to the limiting plate.

Preferably, the side wall of the threaded limiting rod is provided with scale marking lines.

Preferably, the limiting plate is in an arc shape attached to the outer side wall of the sleeve.

Preferably, the threaded limiting rod is rotatably connected with the limiting plate through a rotating bearing, an inner ring of the rotating bearing is fixedly connected with the threaded limiting rod, and an outer ring of the rotating bearing is fixedly connected with the limiting plate.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up water injection hole and annular water cavity and can make the water swelling sealing rod evenly absorb water, avoided the water injection hole to be blockked up, and lead to partial water swelling sealing rod to fail the problem of water swelling, guaranteed its sealed effect.

2. The utility model discloses a set up limiting plate and ball and make things convenient for the sleeve pipe to carry on spacingly in the intraductal gliding of outer tube, avoid influencing its restoration effect because of the sleeve pipe position is inaccurate.

To sum up, the utility model discloses a set up water injection hole and annular water cavity and can make the water swelling sealing rod evenly absorb water, avoided the water injection hole to be blockked up, and lead to partial water swelling sealing rod to fail the problem of water swelling of absorbing water, guaranteed its sealed effect, make things convenient for the sleeve pipe to carry on spacingly to the sleeve pipe in the gliding of outer tube through setting up limiting plate and ball, avoid influencing its restoration effect because of the sleeve pipe position is inaccurate.

Drawings

Fig. 1 is a schematic structural view of a casing interlayer grouting reinforced repair pipeline provided by the present invention;

fig. 2 is a schematic side structural view of a casing interlayer grouting reinforced repair pipeline provided by the present invention;

fig. 3 is the utility model provides a structural schematic diagram of annular water cavity in casing intermediate layer grout reinforcing repair pipeline.

In the figure: the water injection device comprises an outer pipe 1, a sleeve 2, an expansion water stop bar 3, a fixing ring 4, a water injection hole 5, an annular water cavity 6, a threaded hole 7, a guide-in mechanism 8, a threaded limiting rod 9, a rotating handle 10, a limiting plate 11, a spring 12, a ball 13 and a scale marking line 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

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 those 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a casing intermediate layer grout consolidates restoration pipeline, including

outer tube

1, 1 internalization of outer tube is pegged graft there is sleeve pipe 2, two water swelling sealing rod 3 have been cup jointed in the activity of sleeve pipe 2, be equipped with four solid fixed ring 4 on 1 inside wall of outer tube, be equipped with four water injection hole 5 on the lateral wall of outer tube 1, and two liang of relative settings in four water injection hole 5, be equipped with the annular water cavity 6 with water injection hole 5 intercommunication in outer tube 1, the water course that annular water cavity 6 set up through a plurality of equidistance arrays and 1 inside intercommunication of outer tube, make water swelling sealing rod 3 evenly absorb water, water injection hole 5 has been avoided being blockked up, and lead to the problem that partial water swelling sealing rod 3 can not absorb.

The utility model discloses in, be equipped with four screw holes 7 on the lateral wall of outer tube 1, be equipped with in the screw hole 7 and be used for the leading-in mechanism 8 spacing to sleeve pipe 2, it needs to explain that leading-in mechanism 8 includes the screw thread gag lever post 9 with 7 threaded connection of screw hole, it needs to notice that be equipped with scale mark 14 on the lateral wall of screw thread gag lever post 9, the one end fixedly connected with rotation handle 10 of screw thread gag lever post 9.

The utility model discloses in, the other end of screw thread gag lever post 9 rotates and is connected with limiting plate 11, it is worth mentioning that screw thread gag lever post 9 rotates with limiting plate 11 through rolling bearing and is connected, rolling bearing's inner circle and screw thread gag lever post 9 fixed connection, rolling bearing's outer lane and limiting plate 11 fixed connection, limiting plate 11 is the arc setting with the laminating of 2 lateral walls of sleeve pipe, limiting plate 11 is through the inside wall fixed connection of two springs 12 and outer tube 1, limiting plate 11 inlays on keeping away from the lateral wall of screw thread gag lever post 9 and is equipped with ball 13, avoid influencing its repairing effect because of the sleeve pipe 2 position is inaccurate.

The utility model discloses its functional principle is explained to following mode of operation of accessible: the utility model discloses during the use, to meet water inflation sealing rod 3 and be connected with the string, place the string and pass in following water injection hole 5 and place inside outer tube 1, the both ends of string are in the outside of outer tube 1, insert sleeve pipe 2 in outer tube 1, sleeve pipe 2 passes from between the string, rotate according to sleeve pipe 2's diameter size and adjust rotation handle 10, adjust limiting plate 11 to offsetting the contact with

sleeve pipe

2, 2 accessible balls of sleeve pipe 13 slide, and the scale mark line 14 on two limiting plates 11 is unanimous, avoid influencing its repairing effect because of the sleeve pipe 2 position is inaccurate.

After the position of outer tube 1 and sleeve pipe 2 is confirmed, utilize the string will meet water inflation sealing rod 5 and draw in outer tube 1, pour water into annular water cavity 6 from water injection hole 5 in, meet water inflation sealing rod 5 and evenly absorb water the inflation, with the shutoff between outer tube 1 and the sleeve pipe 2, avoided water injection hole 5 to be blockked up, and lead to partial water inflation sealing rod 3 can not absorb water the inflation problem, guaranteed its sealed effect, venthole and notes material hole are seted up to upper end between two water inflation sealing rod 3 of outer tube 1 inside, pour into the thick liquids in the material hole from the notes.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a casing intermediate layer grout consolidates restoration pipeline, includes outer tube (1), outer tube (1) internalization is pegged graft and is had sleeve pipe (2), sleeve pipe (2) activity has been cup jointed two and has met water inflation sealing rod (3), be equipped with four solid fixed ring (4) on outer tube (1) inside wall, a serial communication port, be equipped with four water injection hole (5) on the lateral wall of outer tube (1), and four water injection hole (5) two liang of relative settings, be equipped with annular water cavity (6) with water injection hole (5) intercommunication in outer tube (1), the water course that annular water cavity (6) set up through a plurality of equidistance arrays and the inside intercommunication of outer tube (1), be equipped with four screw hole (7) on the lateral wall of outer tube (1), be equipped with in screw hole (7) and be used for leading-in mechanism (8.

2. The casing interlayer grouting reinforcement repair pipeline according to claim 1, wherein the guiding-in mechanism (8) comprises a threaded limiting rod (9) in threaded connection with the threaded hole (7), a rotating handle (10) is fixedly connected to one end of the threaded limiting rod (9), a limiting plate (11) is rotatably connected to the other end of the threaded limiting rod (9), the limiting plate (11) is fixedly connected with the inner side wall of the outer pipe (1) through two springs (12), and balls (13) are embedded on the side wall, away from the threaded limiting rod (9), of the limiting plate (11).

3. The casing interlayer grouting reinforcement repair pipeline as claimed in claim 2, wherein scale marks (14) are arranged on the side wall of the threaded limiting rod (9).

4. The casing interlayer grouting reinforcement repair pipeline according to claim 2, wherein the limiting plate (11) is in an arc shape attached to the outer side wall of the casing (2).

5. The casing interlayer grouting reinforcement repair pipeline according to claim 2, wherein the threaded limiting rod (9) is rotatably connected with the limiting plate (11) through a rotating bearing, an inner ring of the rotating bearing is fixedly connected with the threaded limiting rod (9), and an outer ring of the rotating bearing is fixedly connected with the limiting plate (11).