CN218441131U

CN218441131U - Local prosthetic devices of non-excavation pipeline

Info

Publication number: CN218441131U
Application number: CN202222566664.7U
Authority: CN
Inventors: 方芳; 陆定伟
Original assignee: Jiangsu Maorun Construction Engineering Co ltd
Current assignee: Jiangsu Maorun Construction Engineering Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-03
Anticipated expiration: 2032-09-27

Abstract

The utility model belongs to the technical field of non-excavation pipeline construction and specifically relates to a local prosthetic devices of non-excavation pipeline is related to, it includes two coaxial settings treat the restoration pipeline and be used for connecting the connecting pipe of treating the restoration pipeline, the connecting pipe with treat to be connected with the sealing washer between the restoration pipeline, the tip of treating the restoration pipeline is established to the sealing washer cover, the connecting pipe is connected with the sealing washer interference, and this application has the effect that improves local restoration efficiency.

Description

Local prosthetic devices of non-excavation pipeline

Technical Field

The application relates to the field of trenchless pipeline construction, in particular to a trenchless pipeline local repairing device.

Background

The non-excavation technology is to lay, repair and replace pipelines by utilizing the rock-soil drilling and excavating technology under the condition of not excavating or excavating a small number of operation pits, and has the advantages of high efficiency, high quality, moderate cost, environmental friendliness, no influence on traffic, no environmental pollution and the like. The non-excavation pipeline often produces the phenomenon of seepage in part in long-time use, and then needs to repair its part seepage position.

China patent with publication number CN212657436U is a local repair device for trenchless repair of a pipeline, which 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 insertion ring, the end surface of the second short pipe is provided with a slot for inserting the insertion ring, the insertion ring is close to a first sealing ring fixedly connected with the outer side wall of the first fixing plate, the slot is close to the side wall of the second fixing plate is provided with a first sealing groove for inserting the first sealing ring, the circumferential outer side wall of the first short pipe is close to a first fixing plate fixedly connected with one end of the second short pipe is close to a second fixing plate, the end of the inner wall of the second fixing plate close to the first short pipe is provided with a fixing groove for inserting the second fixing plate, and a plurality of fixing components for fixing the first fixing the second fixing plate are arranged between the first fixing plate and the second fixing plate.

According to the technical scheme, the lining pipe is required to be inserted into the pipeline and moved to the position needing to be repaired, the lining pipe is moved in the pipeline in the actual operation process, the process of connecting the lining pipe and the pipeline is carried out in the pipeline, and therefore the operation space is limited during repair work, and the repair efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve local prosthetic devices, this application provides a non-excavation pipeline local repair device.

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

the utility model provides a local prosthetic devices of non-excavation pipeline, includes two coaxial settings treat the restoration pipeline and be used for connecting the connecting pipe of treating the restoration pipeline, the connecting pipe with treat to be connected with the sealing washer between the restoration pipeline, the sealing washer cover is established at the tip of treating the restoration pipeline, the connecting pipe is connected with sealing washer interference.

Through adopting above-mentioned technical scheme, when repairing the pipeline, establish the connecting pipe cover outside treating the restoration pipeline, the connecting pipe with treat to be provided with the sealing washer between the restoration pipeline, improve the connecting pipe and treat the sealed effect between the restoration pipeline, relatively in from the inside of pipeline to the pipeline restoration, establish the connecting pipe cover outside treating the restoration pipeline, enlarged the space of pipeline restoration operation to pipeline local repair efficiency has been improved.

Optionally, the side wall of the sealing ring is close to one end of the connecting pipe and is obliquely arranged towards the axis of the sealing ring.

Through adopting above-mentioned technical scheme, the slope setting of spacing groove for the external diameter that the sealing washer is close to the one end of connecting pipe is less than the internal diameter of connecting pipe, thereby is convenient for cup joint between connecting pipe and the sealing washer.

Optionally, the sealing ring is sleeved with an anchor ear, and the anchor ear and the sealing ring are coaxially arranged.

Through adopting above-mentioned technical scheme, the staple bolt is held tightly on the sealing washer to improved the sealing effect between sealing washer and the pipeline of waiting to restore.

Optionally, a locking assembly is connected between the sealing ring and the connecting pipe, and the locking assembly is used for limiting the relative position between the sealing ring and the connecting pipe.

By adopting the technical scheme, after the connecting pipe is sleeved on the sealing ring, the connecting pipe is connected with the sealing ring through the locking assembly, so that the possibility of separation between the connecting pipe and the sealing ring is reduced.

It is optional, the locking subassembly includes slide bar and picture peg, the tip that the connecting pipe was kept away from to the sealing washer is provided with the slide opening, the length direction of slide opening sets up along the axial of connecting portion, be provided with logical groove on the sealing washer, the one end that leads to the setting of the inside wall of groove towards the connecting pipe is close to and treats the restoration pipeline setting, the picture peg is through leading to groove and sealing washer sliding connection, be provided with waist shape hole on the picture peg, waist shape hole sets up along the length direction who leads to the groove, the slide bar is inserted and is established in the slide opening, be connected with the slider on the slide bar, the slider run through waist shape hole and with waist shape hole sliding fit, be provided with the locked groove with picture peg tip adaptation on the inside wall of connecting portion, the locked groove is pegged graft with the picture peg and is cooperated.

Through adopting above-mentioned technical scheme, support the slide bar towards the slide opening bottom and push away, the slider removes along with the slide bar, and relative movement takes place for slider and waist shape hole to make the picture peg remove along logical groove orientation connecting portion, the picture peg inserts the locked groove, thereby restriction connecting pipe and the relative position between the sealing washer.

Optionally, the connecting pipe includes two connecting portions coaxially arranged, the connecting portions are detachably connected through a connecting ring, the connecting ring is coaxially arranged with the connecting portions, and the inner diameter of the connecting ring is matched with the outer diameter of the connecting portion.

Through adopting above-mentioned technical scheme, compare in inserting a whole connecting pipe between waiting to restore the pipeline, be connected the connecting pipe with waiting to restore the pipeline, divide into two connecting portion with the connecting pipe for the connecting pipe with wait to restore the pipeline segmentation and be connected, made things convenient for the joining process of pipeline.

Optionally, the connecting ring includes two arc portions arranged oppositely, and the arc portions are detachably connected with each other.

Through adopting above-mentioned technical scheme, arc portion sets up relatively and is connected between connecting portion, the swift connection between the connecting portion of being convenient for.

Optionally, the side wall that first arc portion and second arc portion are close to each other is provided with the cutting, the one end that is close to each other on the lateral wall of connecting portion is provided with the slot, the cutting is pegged graft with the slot and is cooperated.

By adopting the technical scheme, the inserting and matching between the slot and the groove strip provides positioning for the connection between the arc-shaped part and the connecting part, the stability of connection between the connecting ring and the connecting part is improved, and the sealing effect between the connecting ring and the connecting part is improved.

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

1. when the pipeline is repaired, the connecting pipe is sleeved outside the pipeline to be repaired, the sealing ring is arranged between the connecting pipe and the pipeline to be repaired, the sealing effect between the connecting pipe and the pipeline to be repaired is improved, compared with the method for repairing the pipeline from the inside of the pipeline, the space for repairing the pipeline is enlarged by sleeving the connecting pipe outside the pipeline to be repaired, and therefore the local repairing efficiency of the pipeline is improved;

2. the sliding rod is pushed towards the bottom of the sliding hole, the sliding block moves along with the sliding rod, the sliding block and the waist-shaped hole move relatively, so that the inserting plate moves towards the connecting part along the through groove, and the inserting plate is inserted into the locking groove, so that the relative position between the connecting pipe and the sealing ring is limited;

3. compared with the mode that a whole connecting pipe is inserted between pipelines to be repaired, the connecting pipe is connected with the pipelines to be repaired, the connecting pipe is divided into two connecting parts, the connecting pipe is connected with the pipelines to be repaired in a segmented mode, and the connecting process of the pipelines is facilitated.

Drawings

FIG. 1 is a schematic view of an overall structure for embodying a local repairing apparatus for trenchless pipe;

fig. 2 is a schematic view for showing a positional relationship between the seal ring and the connecting portion;

fig. 3 is an enlarged view of a portion a for showing a positional relationship between the slide bar and the insert plate in fig. 2.

Description of reference numerals:

1. a pipeline to be repaired; 2. a connecting pipe; 3. a connecting portion; 4. an arcuate portion; 5. cutting; 6. a slot; 7. a mounting ring; 8. a ratchet wheel; 9. a ratchet bar; 10. a seal ring; 11. a limiting groove; 12. positioning a ring; 13. a slide bar; 14. inserting plates; 15. a slide hole; 16. opening; 17. a waist-shaped hole; 18. a slider; 19. a through groove; 20. a chute; 21. a cover plate; 22. compressing the spring; 23. hooping; 24. and (4) locking the groove.

Detailed Description

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

Referring to fig. 1, the local repairing device for the trenchless pipeline comprises two coaxially arranged pipelines 1 to be repaired and a connecting pipe 2 for connecting the pipelines 1 to be repaired.

Referring to fig. 1 and 2, connecting pipe 2 includes two connecting portion 3 of coaxial setting, connecting portion 3 is provided with the pipe form, two connecting portion 3 intervals set up, connect through the go-between 3 connecting portion, the internal diameter of go-between and the external diameter adaptation of connecting portion 3, the go-between includes two arc portion 4 that set up relatively, be provided with two gibs 5 on the mutual lateral wall that is close to of arc portion 4, two gibs 5 set up along the axial of arc portion 4, gib 5 sets up to the arc, the cover is equipped with the rubber layer on gib 5, the mutual one end that is close to on the lateral wall of connecting portion 3 is provided with slot 6, slot 6 sets up to the annular, gib 5 and slot 6 grafting cooperation.

Referring to fig. 1 and 2, one end of the arc-shaped portion 4 is connected with a mounting ring 7, a ratchet 8 is coaxially and rotatably connected to the mounting ring 7, the other end of the arc-shaped portion 4 is connected with a ratchet bar 9, and the ratchet 8 on the arc-shaped portion 4 is meshed with the ratchet bar 9 on the other arc-shaped portion 4.

Referring to fig. 2 and 3, a sealing ring 10 is connected between the connecting portion 3 and the pipeline 1 to be repaired, the end portion of the pipeline 1 to be repaired is sleeved with the sealing ring 10, a limiting groove 11 is formed in one end, away from the pipeline 1 to be repaired, of the side wall of the sealing ring 10, the connecting pipe 2 is in interference connection with the sealing ring 10 through the limiting groove 11, and a hoop 23 is sleeved on one end, away from the connecting portion 3, of the sealing ring 10. The distance between the end part of the sealing ring 10 close to the connecting part 3 and the side wall of the limiting groove 11 facing the connecting part 3 is not more than the distance between the connecting parts 3. One end an organic whole that the inside wall of sealing washer 10 is close to connecting portion 3 is connected with position circle 12, the cross-section of position circle 12 sets up to L shape, a portion of position circle 12 is connected with sealing washer 10, another portion and sealing washer 10's inside wall parallel arrangement, the inside wall of sealing washer 10 and the outer wall butt of waiting to restore pipeline 1, a portion and the inside wall butt of waiting to restore pipeline 1 that the inside wall of position circle 12 and sealing washer 10 is parallel.

Referring to fig. 2 and 3, the side wall of the limit groove 11 close to the axis of the seal ring 10 is inclined toward the axis of the seal ring 10 at one end close to the connection pipe 2. A locking assembly is connected between the sealing ring 10 and the connecting portion 3.

Referring to fig. 2 and 3, the locking assembly includes a sliding rod 13 and an insert plate 14, four sliding holes 15 are circumferentially arranged on an end portion of the sealing ring 10 away from the connecting portion 3, the end portion of the sealing ring 10 is centered on an axis of the sealing ring 10, a length direction of the sliding holes 15 is arranged along an axial direction of the connecting portion 3, a through groove 19 is arranged on the sealing ring 10, one end of the through groove 19, which is arranged towards an inner side wall of the connecting portion 3, is arranged close to the pipeline 1 to be repaired, the insert plate 14 is slidably connected with the sealing ring 10 through the through groove 19, a notch 16 is arranged on a side wall of the insert plate 14, which is opposite to an opening of the sliding hole 15, the notch 16 penetrates through the insert plate 14, a kidney-shaped hole 17 is arranged on a side wall of the insert plate 14, the kidney-shaped hole 17 is arranged along the length direction of the through groove 19, the sliding rod 13 is inserted in the sliding hole 15, a sliding block 18 is connected to the sliding rod 13, and the sliding block 18 penetrates through the kidney-shaped hole 17 and is in sliding fit with the kidney-shaped hole 17. The inner side wall of the connecting part 3 is provided with a locking groove 24 matched with the end part of the plug board 14, and the locking groove 24 is in plug-in fit with the plug board 14.

Referring to fig. 2 and 3, a cover plate 21 for covering the sliding hole 15 is slidably connected to an end portion of the sealing ring 10, a sliding groove 20 is formed in the end portion of the sealing ring 10, the sliding groove 20 is communicated with the sliding hole 15, the cover plate 21 is located in the sliding groove 20, a pressure spring 22 is connected between the cover plate 21 and a side wall of the sliding groove 20 far away from the sliding hole 15, and when the pressure spring 22 is in a natural state, the cover plate 21 covers the sliding hole 15.

The application principle of the local repair device for the trenchless pipeline is as follows:

when repairing the pipeline, firstly, the part of the pipeline to be repaired is cut off to form two pipelines 1 to be repaired, the sealing ring 10 is sleeved on the opposite end parts of the pipelines 1 to be repaired, and then the connecting part 3 is connected with the pipelines 1 to be repaired.

When the connecting portion 3 is connected with the pipeline 1 to be repaired, the connecting portion 3 is sleeved on the sealing ring 10 through the limiting groove 11, one end, close to the connecting portion 3, of the side wall of the limiting groove 11 is obliquely arranged, so that the connecting portion 3 is conveniently sleeved with the sealing ring 10 until the end portion of the connecting portion 3 abuts against the side wall, opposite to the connecting portion 3, of the limiting groove 11, then the sliding rod 13 abuts against and pushes the bottom of the sliding hole 15, the sliding block 18 moves along the sliding rod 13, the sliding block 18 and the kidney-shaped hole 17 move relatively, the inserting plate 14 moves towards the connecting portion 3 along the through groove 19, the inserting plate 14 is inserted into the locking groove 24, the sliding rod 13 completely enters the sliding hole 15 at the moment, the pressure spring 22 restores to a natural state, the cover plate 21 covers the sliding hole 15, and finally the hoop 23 is connected onto the sealing ring 10, so that the connecting portion 3 is connected with the pipeline 1 to be repaired.

The inserting strip 5 on the arc-shaped part 4 is inserted into the slot 6 on the connecting part 3, the two arc-shaped parts 4 are close to each other, the ratchet bar 9 is matched with the ratchet wheel 8, so that the two arc-shaped parts 4 are connected together, the connecting ring connects the two connecting parts 3, and the repair of the pipeline is completed.

Claims

1. The utility model provides a local prosthetic devices of non-excavation pipeline, includes two coaxial settings treat that repair pipeline (1) and be used for connecting pipe (2) of treating repair pipeline (1), its characterized in that: connecting pipe (2) and wait to be connected with sealing washer (10) between restoreing pipeline (1), sealing washer (10) cover is established at the tip of waiting to restore pipeline (1), connecting pipe (2) and sealing washer (10) interference are connected.

2. The trenchless pipeline local rehabilitation device of claim 1, wherein: the side wall of the sealing ring (10) is close to one end of the connecting pipe (2) and is obliquely arranged towards the axis of the sealing ring (10).

3. The trenchless pipeline local rehabilitation device of claim 1, wherein: the cover is equipped with staple bolt (23) on sealing washer (10), staple bolt (23) and sealing washer (10) coaxial setting.

4. The trenchless pipeline local rehabilitation device of claim 1, wherein: and a locking assembly is connected between the sealing ring (10) and the connecting pipe (2), and is used for limiting the relative position between the sealing ring (10) and the connecting pipe (2).

5. The trenchless pipeline local rehabilitation device of claim 4, wherein: locking Assembly includes slide bar (13) and picture peg (14), the tip that connecting pipe (2) were kept away from in sealing washer (10) is provided with slide opening (15), the axial setting of connecting portion (3) is followed to the length direction of slide opening (15), be provided with logical groove (19) on sealing washer (10), it is close to and treats repair pipe way (1) setting to lead to the one end that inside wall setting of groove (19) set up, picture peg (14) are through leading to groove (19) and sealing washer (10) sliding connection, be provided with waist shape hole (17) on picture peg (14), the length direction setting of leading to groove (19) is followed in waist shape hole (17), slide bar (13) are inserted and are established in slide opening (15), be connected with slider (18) on slide bar (13), slider (18) run through waist shape hole (17) and with waist shape hole (17) sliding fit, be provided with lock groove (24) of picture peg graft cooperation with picture peg (14) tip adaptation on the inside wall of connecting portion (3), lock groove (24) and picture peg graft cooperation with picture peg (14).

6. The trenchless pipeline local rehabilitation device of claim 1, wherein: the connecting pipe (2) comprises two connecting parts (3) which are coaxially arranged, the connecting parts (3) are detachably connected through connecting rings, the connecting rings are coaxially arranged with the connecting parts (3), and the inner diameters of the connecting rings are matched with the outer diameters of the connecting parts (3).

7. The trenchless pipeline local rehabilitation device of claim 6, wherein: the connecting ring comprises two arc-shaped parts (4) which are oppositely arranged, and the arc-shaped parts (4) are detachably connected.

8. The trenchless pipeline local rehabilitation device of claim 7, wherein: the arc-shaped part (4) is provided with an inserting strip (5) on the side wall close to each other, one end close to each other on the side wall of the connecting part (3) is provided with a slot (6), and the inserting strip (5) is in inserting connection with the slot (6).