CN212657436U

CN212657436U - Local prosthetic devices of non-excavation restoration pipeline

Info

Publication number: CN212657436U
Application number: CN202021497927.8U
Authority: CN
Inventors: 陈国栋; 陈鹏飞
Original assignee: Jiahui Construction Engineering Co ltd
Current assignee: Jiahui Construction Engineering Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-03-05
Anticipated expiration: 2030-07-25

Abstract

The application relates to a local repairing device for a trenchless repairing pipeline, which comprises an inner lining pipe inserted in the pipeline, wherein the inner lining pipe comprises a plurality of short pipes, two adjacent short pipes are a first short pipe and a second short pipe, the end surface of the first short pipe is fixedly connected with an insert ring, the end surface of the second short pipe is provided with a slot for the insert ring to insert, the outer side wall of the insert ring close to a first fixing plate is fixedly connected with a first sealing ring, the side wall of the slot close to a second fixing plate is provided with a first sealing groove for the first sealing ring to insert, one end of the circumferential outer side wall of the first short pipe close to the second short pipe is fixedly connected with a first fixing plate, one end of the circumferential outer side wall of the second short pipe close to the first short pipe is fixedly connected with a second fixing plate, one end of the inner wall of the second fixing plate close to the first short pipe is provided with a fixing groove for the, the method has the advantages that the sealing performance between the adjacent short pipes is improved, and the good repairing effect is guaranteed.

Description

Local prosthetic devices of non-excavation restoration pipeline

Technical Field

The application relates to the technical field of pipeline repair, in particular to a local repair device for a trenchless repair pipeline.

Background

The trenchless pipeline repairing method is an on-line maintenance method which is used for solving the problem that the pipeline cannot be updated and repaired by excavating or the pipe section is uneconomical to excavate in the environment where the pipeline is located and is not discarded after comprehensive economic analysis, or is used for improving the conveying capacity, fully utilizing the corrosion allowance of the pipe and prolonging the service life.

The existing local repair device is characterized in that an inner lining pipe is inserted into a pipeline and welded at a damaged position in the pipeline, the inner lining pipe needs to be divided into a plurality of short pipes when entering the pipeline, and adjacent short pipes are fixed in the pipeline.

With respect to the related art in the above, the inventors consider that there is a drawback that the sealability between the adjacent short tubes is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect of poor sealing performance between adjacent short pipes, the application provides a local repairing device for a trenchless repairing pipeline.

The application provides a local prosthetic devices of non-excavation restoration pipeline adopts following technical scheme:

a local repairing device for a non-excavation repairing pipeline comprises a lining pipe inserted in the pipeline, wherein the lining pipe comprises a plurality of short pipes, two adjacent short pipes are a first short pipe and a second short pipe, the end surface of the first short pipe is fixedly connected with an insert ring, the end surface of the second short pipe is provided with a slot for the insert ring to insert, the outer side wall of the insert ring close to a first fixing plate is fixedly connected with a first sealing ring, the side wall of the slot close to a second fixing plate is provided with a first sealing groove for the first sealing ring to insert, one end of the circumferential outer side wall of the first short pipe close to the second short pipe is fixedly connected with a first fixing plate, one end of the circumferential outer side wall of the second short pipe close to the first short pipe is fixedly connected with a second fixing plate, one end of the inner wall of the second fixing plate close to the first short pipe is provided with a fixing groove for the second fixing plate, and an adhesive layer is filled between the lining pipe and the inner wall of the pipeline.

Through adopting above-mentioned technical scheme, first nozzle stub all gets into the pipeline with the second nozzle stub after, make first nozzle stub and second nozzle stub be close to through press or other drives, and make the insert ring insert in the slot, can prolong the inside material of inside lining pipe and flow to outside route, preliminary sealed and fixed action has been played, and then first sealing ring inserts in the first seal groove, can make the sealed effect between insert ring and the slot better, first fixed plate inserts in the fixed slot of second fixed plate simultaneously, can make the inside material of inside lining pipe flow to outside route longer, further sealed and fixed action has been played, fixed subassembly is fixed first nozzle stub and second nozzle stub simultaneously, it is sealed with the gap filling between inside of inside lining pipe outer wall and the pipeline through the adhesive linkage at last, the sealed effect between the adjacent nozzle stub has been improved greatly.

Preferably, the fixed subassembly includes fixed block and first cushion, and a plurality of spacing grooves have been seted up to first fixed plate lateral wall, and first cushion is placed in the bottom of spacing groove, and the fixed block is connected for sliding with the spacing groove, fixed block and first cushion fixed connection, and the outer wall slope that deviates from the spacing groove of fixed block sets up and just towards the second nozzle stub, and a plurality of draw-in grooves have been seted up to the lateral wall that the second nozzle stub was kept away from to the fixed slot, and the draw-in groove supplies the fixed block to insert, and when first cushion was in natural state, the fixed block was located spacing groove and draw-in groove simultaneously.

Through adopting above-mentioned technical scheme, when first nozzle stub and second nozzle stub are close to each other, the fixed block receives the extrusion of second fixed block and makes it get into the spacing inslot completely, and first cushion produces the compression simultaneously, and when the fixed block reachd draw-in groove department, the resilience force of first cushion makes the outer end of fixed block insert the draw-in groove in, and the fixed block is located spacing groove and draw-in groove simultaneously this moment for the fixed ten minutes convenient and fast of first nozzle stub and second nozzle stub.

Preferably, the bottom of the limiting groove in the opening direction extends into the outer wall of the first short pipe.

Through adopting above-mentioned technical scheme, the spacing groove runs through first fixed plate and sets up to first nozzle stub on, the length that the fixed block can be relative elongated for the fixed block is located the part of spacing inslot or the part in the draw-in groove simultaneously longer, and then can improve the stability after first nozzle stub and the fixed of second nozzle stub.

Preferably, the first elastic cushion fills and seals a space between the end face of the fixing block close to the first short pipe and the bottom wall of the limiting groove opposite to the opening of the limiting groove.

Through adopting above-mentioned technical scheme, after first fixed plate and the mutual grafting of second fixed plate, the spacing groove becomes for inside lining pipe material flow to the outside must the way of going through, and first cushion can seal the space between fixed block and the spacing groove, and then has strengthened the leakproofness between first nozzle stub and the second nozzle stub.

Preferably, a second elastic pad is fixed in the clamping groove, and when the fixing block is inserted into the second elastic pad, the second elastic pad seals a gap between the fixing block and the clamping groove.

Through adopting above-mentioned technical scheme, after first fixed plate and second fixed plate pegged graft each other, the draw-in groove becomes the inside material flow of inside lining pipe to the outside must the way of going through, and the second cushion can seal the space between fixed block and the draw-in groove, and then has strengthened the leakproofness between first nozzle stub and the second nozzle stub.

Preferably, the inner side wall of the insert ring away from the first fixing plate is fixedly connected with a second sealing ring, and the side wall of the slot away from the second fixing plate is provided with a second sealing groove for inserting the second sealing ring.

Through adopting above-mentioned technical scheme, the second sealing ring can be further will insert the space between ring and the slot and seal, and then improved the leakproofness between first nozzle stub and the second nozzle stub.

Preferably, the insert ring is provided with a reinforcing groove opposite to the end face of the slot, the slot is fixedly connected with a reinforcing ring opposite to the open end face of the slot, and the reinforcing groove is used for the insertion of the reinforcing ring.

Through adopting above-mentioned technical scheme, the inside material of beaded finish and the inside route that flows to the external world of extension inside lining pipe once more of the setting up of beaded finish and reinforcing groove for sealed effect between first nozzle stub and the second nozzle stub is better, can make the location between first nozzle stub and the second nozzle stub more accurate simultaneously.

Preferably, the distance between the outer wall of the second fixing plate, which faces away from the second short pipe, and the inner wall of the pipeline is between 9mm and 51 mm.

By adopting the technical scheme, the bonding property of the bonding layer between the lining pipe and the pipeline is better when the lining pipe can smoothly enter the pipeline.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the insert ring is inserted into the slot, so that the path of the substance inside the lining pipe to flow to the outside can be prolonged, a primary sealing and fixing effect is achieved, the first sealing ring is inserted into the first sealing groove, the sealing effect between the insert ring and the slot can be better, and meanwhile, the first fixing plate is inserted into the fixing groove of the second fixing plate, so that the sealing effect between adjacent short pipes is greatly improved;

2. the fixing block is extruded by the second fixing block to completely enter the limiting groove, the first elastic cushion is compressed, when the fixing block reaches the clamping groove, the outer end of the fixing block is inserted into the clamping groove due to the resilience force of the first elastic cushion, and the fixing block is positioned in the limiting groove and the clamping groove at the same time, so that the first short pipe and the second short pipe are fixed very conveniently and quickly;

3. after first fixed plate and second fixed plate peg graft each other, the spacing groove becomes for inside lining pipe material flow to the outside must the way, and first cushion can seal the space between fixed block and the spacing groove, and then has strengthened the leakproofness between first nozzle stub and the second nozzle stub.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure, 1, a pipeline; 2. a liner tube; 21. a first short pipe; 22. a second short pipe; 3. inserting a ring; 31. a slot; 32. a reinforcement ring; 33. a reinforcing groove; 34. a first seal ring; 35. a first seal groove; 36. a second seal ring; 37. a second seal groove; 4. a first fixing plate; 41. a limiting groove; 5. a second fixing plate; 51. fixing grooves; 52. a card slot; 521. a second elastic pad; 6. a fixing assembly; 61. a fixed block; 62. a first elastic pad; 7. and (7) bonding the layers.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses local prosthetic devices of non-excavation restoration pipeline.

Referring to fig. 1 and 2, the local repairing device for the trenchless repairing pipeline comprises an inner lining pipe 2 inserted into the pipeline 1, the axis of the inner lining pipe 2 is collinear with the axis of the pipeline 1, an adhesive layer 7 is filled between the outer wall of the inner lining pipe 2 and the inner wall of the pipeline 1, the inner lining pipe 2 comprises a plurality of short pipes, two adjacent short pipes are respectively a first short pipe 21 and a second short pipe 22, the end surface of the first short pipe 21 facing the second short pipe 22 is fixedly connected with an annular insert ring 3, the end surface of the second short pipe 22 facing the first short pipe 21 is provided with a slot 31 for inserting the insert ring 3, one end of the circumferential outer side wall of the first short pipe 21 close to the second short pipe 22 is fixedly connected with an annular first fixing plate 4, the end surface of the first fixing plate 4 is flush with the end surface of the first short pipe 21, one end of the circumferential outer side wall of the second short pipe 22 close to the second short pipe 22 is fixedly, a plurality of fixing components 6 for fixing the first fixing plate 4 and the second fixing plate 5 are arranged between the first fixing plate and the second fixing plate.

First nozzle stub 21 and second nozzle stub 22 pass through the press or other drives make its each other hug closely to make and insert ring 3 and insert in slot 31, can carry out the inside material of bushing pipe 2 in preliminary extension and flow to outside route, first fixed plate 4 inserts in fixed slot 51 simultaneously, the inside material of bushing pipe 2 in the extension that can be further flows to outside route, rethread fixed subassembly 6 is with first nozzle stub 21 and second nozzle stub 22 relatively fixed, the sealed effect between the adjacent nozzle stub has been improved greatly.

As shown in fig. 2, an annular reinforcing groove 33 is formed in an end surface of the insert ring 3 close to the second short pipe 22, an annular reinforcing ring 32 is fixedly connected to an inner wall of the insert groove 31 close to the first short pipe 21, the reinforcing ring 32 is inserted into the reinforcing groove 33, an annular first sealing ring 34 is fixedly connected to a circumferential outer side wall of the insert ring 3, an annular second sealing ring 36 is fixedly connected to a circumferential inner side wall of the insert ring 3, a first annular sealing groove 35 into which the first sealing ring 34 is inserted is formed in a side wall of the insert groove 31 close to the second fixing plate 5, and a second annular sealing groove 37 into which the second sealing ring 36 is inserted is formed in a side wall of the insert groove 31 far from the second fixing plate 5; the arrangement of the reinforcing ring 32 and the reinforcing groove 33 can further extend the path of the substance inside the lining pipe 2 to the outside, and in this path, the first sealing ring 34 and the second sealing ring 36 can perform double sealing, so that the sealing effect between the first short pipe 21 and the second short pipe 22 is greatly improved.

As shown in fig. 3, the fixing assembly 6 includes a fixing block 61 and a first elastic pad 62, the outer side wall of the first fixing plate 4 is provided with a plurality of limiting grooves 41, the inner end of each limiting groove 41 penetrates through the first fixing plate 4 and then extends into the first short tube 21, the fixing block 61 is connected in the limiting groove 41 in a sliding manner, the first elastic pad 62 is placed between the fixing block 61 and the inner wall of the limiting groove 41 opposite to the opening of the fixing block 61, the fixing block 61 is fixedly connected with the first elastic pad 62, the inner wall of the fixing groove 51 far away from the first short tube 21 is provided with a plurality of clamping grooves 52 for the fixing block 61 to be inserted, the fixing block 61 is inclined away from the outer wall of the limiting groove 41 and faces the second short tube 22, the fixing block 61 is positioned in the limiting groove 41 and the clamping groove 52 at the same time, a second elastic pad 521 is fixed in the clamping groove 52, and the second elastic pad 521 fills and seals the space between the fixing block 61 and the clamping groove 52; when first fixed plate 4 inserts second fixed plate 5, the inclined plane of fixed block 61 receives and gets into the spacing groove 41 completely after the extrusion of second fixed plate 5, first cushion 62 compresses simultaneously, when fixed block 61 reachs draw-in groove 52 department, the resilience force of first cushion 62 makes the outer end of fixed block 61 insert in the draw-in groove 52, make fixed between first nozzle stub 21 and the second nozzle stub 22 light swift more, first cushion 62 is filled the inside sealing of spacing groove 41, second cushion 521 is filled the inside sealing of filling of draw-in groove 52, and then can make the leakproofness between first nozzle stub 21 and the second nozzle stub 22 better.

The implementation principle of the local repair device for the trenchless pipeline repair is as follows: when repairing the pipeline 1, the first short pipe 21 and the second short pipe 22 are driven by a press or other driving device to approach each other after entering the pipeline 1, the insert ring 3 is inserted into the insert groove 31, meanwhile, the reinforcing ring 32 is inserted into the reinforcing groove 33, the first sealing ring 34 is inserted into the first sealing groove 35, the second sealing ring 36 is inserted into the second sealing groove 37, the first fixing plate 4 is inserted into the fixing groove 51, the fixing block 61 is completely inserted into the limiting groove 41 after being extruded by the second fixing plate 5, meanwhile, the first elastic pad 62 is compressed, when the fixing block 61 reaches the clamping groove 52, the outer end of the fixing block 61 is inserted into the clamping groove 52 by the resilience of the first elastic pad 62, the first short pipe 21 and the second short pipe 22 are fixed more easily and quickly, the path of the material inside the lining pipe 2 flowing to the outside is greatly prolonged, and multiple sealing is carried out on the path, so that the sealing effect between the adjacent short pipes is greatly improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a local prosthetic devices of non-excavation restoration pipeline, is including inserting interior bushing pipe (2) of establishing in pipeline (1), and interior bushing pipe (2) include a plurality of nozzle stub, its characterized in that: the two adjacent short pipes are a first short pipe (21) and a second short pipe (22), the end face of the first short pipe (21) is fixedly connected with an inserting ring (3), the end face of the second short pipe (22) is provided with a slot (31) for the inserting ring (3) to insert, the outer side wall of the inserting ring (3) close to the first fixing plate (4) is fixedly connected with a first sealing ring (34), the side wall of the slot (31) close to the second fixing plate (5) is provided with a first sealing groove (35) for the first sealing ring (34) to insert, one end of the circumferential outer side wall of the first short pipe (21) close to the second short pipe (22) is fixedly connected with a first fixing plate (4), one end of the circumferential outer side wall of the second short pipe (22) close to the first short pipe (21) is fixedly connected with a second fixing plate (5), one end of the inner wall of the second fixing plate (5) close to the first short pipe (21) is, a plurality of fixing components (6) for fixing the first fixing plate (4) and the second fixing plate (5) are arranged between the first fixing plate and the second fixing plate, and an adhesive layer (7) is filled between the lining pipe (2) and the inner wall of the pipeline (1).

2. The local repair device for the trenchless pipeline repair of claim 1, wherein: fixed subassembly (6) are including fixed block (61) and first cushion (62), a plurality of spacing grooves (41) have been seted up to first fixed plate (4) lateral wall, first cushion (62) are placed in the bottom of spacing groove (41), fixed block (61) are connected for sliding with spacing groove (41), fixed block (61) and first cushion (62) fixed connection, the outer wall slope that deviates from spacing groove (41) of fixed block (61) sets up and towards second nozzle stub (22), a plurality of draw-in grooves (52) have been seted up to the lateral wall that second nozzle stub (22) was kept away from in fixed slot (51), draw-in groove (52) supply fixed block (61) to insert, when first cushion (62) are in natural state, fixed block (61) are located spacing groove (41) and draw-in groove (52) simultaneously.

3. The local repair device for the trenchless pipeline repair of claim 2, wherein: the bottom of the limiting groove (41) in the opening direction extends into the outer wall of the first short pipe (21).

4. The local repair device for the trenchless pipeline repair of claim 2, wherein: the first elastic cushion (62) fills and seals a space between the end face of the fixed block (61) close to the first short pipe (21) and the bottom wall of the limiting groove (41) opposite to the opening of the limiting groove.

5. The local repair device for the trenchless pipeline repair of claim 2, wherein: a second elastic pad (521) is fixed in the clamping groove (52), and when the fixing block (61) is inserted into the second elastic pad (521), the second elastic pad (521) seals a gap between the fixing block (61) and the clamping groove (52).

6. The local repair device for the trenchless pipeline repair of claim 1, wherein: insert ring (3) and keep away from inside wall fixedly connected with second sealing ring (36) of first fixed plate (4), supply second sealing ring (36) male second seal groove (37) offered to the lateral wall that second fixed plate (5) were kept away from in slot (31).

7. The local repair device for the trenchless pipeline repair of claim 1, wherein: the end face of the inserting ring (3) opposite to the slot (31) is provided with a reinforcing groove (33), the slot (31) opposite to the opening end face is fixedly connected with a reinforcing ring (32), and the reinforcing groove (33) is used for the reinforcing ring (32) to be inserted.

8. The local repair device for the trenchless pipeline repair of claim 1, wherein: the distance between the outer wall of the second fixing plate (5) departing from the second short pipe (22) and the inner wall of the pipeline (1) is between 9mm and 51 mm.