Pipeline repairing structure and auxiliary tool

Abstract

The utility model discloses a pipeline repairing structure and an auxiliary tool, and belongs to the technical field of pipeline repairing, the pipeline repairing structure comprises a pipe body with a seam at the lower part, the seam extends to the whole pipe body along the axial direction of the pipe body, the inner side and the outer side of the pipe body are provided with supporting plates corresponding to the seam, and one side of each supporting plate close to the pipe body is provided with a sealing gasket. The supporting plate and the pipe body are sealed and fixed through a locking piece; the pipe body is divided into a first side part and a second side part at the joint, and blind holes are formed in the first side part and the second side part. The supporting plate and the sealing gasket are arranged on the upper side and the lower side of the joint of the pipe body and are sealed and fixed through the locking piece, sealing treatment of the joint of the pipe body can be achieved, compared with a bubble sealing combined gasket in the background technology, the combination of the supporting plate and the sealing gasket is easier to manufacture, the process difficulty is lowered, and the production efficiency is improved. In addition, the pipe body can be expanded in place through a special auxiliary tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline repair technical field, specifically, a pipeline repair structure and auxiliary tool. BACKGROUND

[0002] At present, the pipeline used in the field of power cable, communication sheath, drainage and the like is often buried underground, and the underground pipeline is often subjected to the influence of factors such as long-term corrosion of medium and extrusion of peripheral medium during use, and local pipe wall rupture, perforation and the like often occur, after the pipeline is ruptured, if it is not repaired in time, the line in the pipeline will be damaged or the medium will be lost, and even ground subsidence will be caused, resulting in serious consequences. In the prior art, when the underground pipeline is locally ruptured, the method of excavation is generally used to replace the whole underground pipeline, that is, the ground where the pipeline with ruptured pipe wall is arranged is excavated, and a new pipeline is used to replace the pipeline with local rupture. The method may have the following defects: the ground where the pipeline is arranged is usually provided with a building, if the whole ground is excavated, it is impossible, if the excavation is forcibly carried out, a huge amount of material and financial resources will be consumed, and a huge economic burden will be caused.

[0003] The patent with the application number TW087108756 discloses a patent named: device and method for repairing pressure pipe and for fixing other elements with a solidifiable sealant, the technical scheme of which is to set a bubble sealing combined pad outside the repair pipeline for sealing the joint of the repair pipeline, and the bubble sealing combined pad is wrapped outside the coiled repair pipeline before reaching the position to be repaired. This technical scheme needs to prepare a pad layer capable of generating bubbles and having a sealant, the technology is relatively complex, and it is difficult to ensure that the coiled repair pipeline can be smoothly expanded in place without leaving a large gap at the joint in actual construction. UTILITARIAN CONTENT

[0004] The utility model aims at providing a water jacket and a machine head for forming a corrugated pipe, and solves the problem of poor inner wall cooling effect in the prior art when forming a double-wall corrugated pipe.

[0005] In order to achieve the above object, the utility model provides a pipeline repair structure, including the pipe body with the joint in the lower, the joint extends in the whole pipe body along the pipe body axis direction, the inside and outside both sides of pipe body are provided with the support plate corresponding with the joint, the side of support plate is close to pipe body is provided with the sealing pad, the support plate and pipe body are sealed and are fixed through locking piece, the pipe body is divided into first side part and second side part at the joint, all be provided with the blind hole on first side part and second side part, wherein the blind hole is used for and the plug -in spare on first tensioning portion and second tensioning portion cooperation, then use first tensioning portion and second tensioning portion to expand the pipe body that winds to the position, then use locking piece to lock and fix pipe body with the support plate, sealing pad on the upper and lower sides of joint, realize sealed waterproof, the joint that extends in the whole pipe body along the axis direction can be used to place the pipe body in the pipeline to be repaired with the winding posture first.

[0006] Further, the locking piece is a bolt, the support plates on the inside and outside of the pipe body are provided with corresponding threaded holes, and the pipe body is provided with through holes corresponding to the threaded holes.

[0007] Further, the support plates are provided with indication marks on the two end sides. The two upper and lower support plates are aligned, and the threaded holes and other structures thereon are aligned.

[0008] Further, the head of the bolt is located inside the pipe body, and a sealing ring is arranged between the head of the bolt and the pipe body. The sealing effect is improved.

[0009] Further, the depth of the blind hole is greater than or equal to 0.5 mm. The depth of the blind hole should not be too shallow, so as to maintain the plug-in relationship after cooperation with the plug-in piece, and prevent the first side part or the second side part from being separated from the auxiliary tool when the pipe body is expanded.

[0010] Further, at least one plug-in structure is arranged between the first side part and the second side part, the plug-in structure includes a dovetail-shaped opening of the first side part and a corresponding dovetail-shaped protrusion on the second side part. After the pipe body is expanded, the first side part and the second side part are clamped with each other by using the corresponding relationship between the dovetail-shaped opening and the dovetail-shaped protrusion, so as to prevent the pipe body joint from being rewound after the auxiliary tool is removed.

[0011] The utility model also provides a pipeline repair auxiliary tool for the pipeline repair structure, the first tensioning part and the second tensioning part are matched with the blind holes on the first side part and the second side part, the first tensioning part and the second tensioning part are provided with the plug-in piece corresponding with the blind hole, the first tensioning part and the second tensioning part are connected through the bidirectional screw rod. The first tensioning part and the second tensioning part are driven to move away from each other by the bidirectional screw rod, and then the first side part and the second side part are driven to move away from each other when the plug-in piece is plugged into the blind hole, and then the pipe body is expanded, and finally the edges of the first side part and the second side part are aligned at the joint, and the pipe body is expanded to the position.

[0012] Further, one of the first and second tensioning parts is provided with a guide pipe, and the other is provided with a guide rod matched with the guide pipe, so as to keep the auxiliary tool stable when the pipe body is expanded.

[0013] Further, the first and second tensioning parts are provided with insertion holes, and the insertion piece passes through the insertion holes, so that the insertion piece can be detachable and flexible operation on site is facilitated.

[0014] Further, the bottom of the first and second tensioning parts is arc-shaped, so that the first and second tensioning parts can better cooperate with the pipe body and drive the first and second side parts to be expanded in place.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] In the utility model, the support plate and the sealing gasket are arranged on the upper and lower sides of the pipe joint, and the three are sealed and fixed by the locking piece, so that the sealing treatment of the pipe joint can be realized. The combination of the support plate and the sealing gasket is easier to manufacture than the bubble sealing combination gasket in the background art, and the process difficulty is reduced. In addition, the pipe body can be expanded in place by the special auxiliary tool, and the misalignment of the first and second side parts at the joint can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the drawings, the size and proportion do not represent the actual product size and proportion. The drawings are only illustrative, and some unnecessary elements or features are omitted for clarity.

[0018] Figure 1 is a structure schematic view of the repaired pipe body in the embodiment of the utility model;

[0019] Figure 2 is Figure 1 is an enlarged schematic view of the structure at A in the embodiment of the utility model;

[0020] Figure 3 is a cooperation schematic view of the auxiliary tool and the pipe body in the embodiment of the utility model;

[0021] Figure 4 is an insertion structure schematic view of the first and second side parts in the embodiment of the utility model;

[0022] Figure 5 is Figure 4 is an enlarged schematic view of the structure at B in the embodiment of the utility model.

[0023] Explanation of reference signs

[0024] 1. pipe body; 2. support plate; 3. sealing gasket; 4. locking piece; 5. first side; 6. second side; 7. blind hole; 8. first tensioning part; 9. second tensioning part; 10. insertion piece; 11. indication mark; 12. dovetail-shaped opening; 13. dovetail-shaped protrusion; 14. bidirectional screw rod; 15. guide tube; 16. guide rod; 17. insertion hole. DETAILED DESCRIPTION

[0025] The utility model will be described in detail below with reference to the drawings. The description here is only based on the preferred embodiment of the utility model, and those skilled in the art can think of other ways to realize the utility model on the basis of the preferred embodiment, and other ways also fall within the scope of the utility model.

[0026] EMBODIMENT

[0027] The repair pipeline in the background art is wound with a band or other components on both sides before being moved to the position to be repaired, and the band or other components is removed after being moved to the position, and the pipeline is reset by its own elasticity. Once the pipeline does not expand smoothly, the joint cannot be aligned, which will affect the sealing effect. The application provides a technical solution for expanding the pipeline to the position by using auxiliary tools. Since locking pieces, insertion pieces and bidirectional screw rods and other components that need to be manually operated are provided, it is suitable for trenchless repair scenarios where the pipeline space is sufficient for personnel to enter. Before formal repair, the damaged pipeline needs to be removed, and the environment at the position to be repaired needs to be cleaned. Then, the support plate 2 with the sealing gasket 3 on the lower side of the pipe body 1 is placed in position, and then the wound pipe body 1 is moved to position, and then the first side 5 and the second side 6 of the pipe body 1 are expanded to the joint by using auxiliary tools. Depending on the length of the pipeline to be repaired, multiple auxiliary tools may be provided, and then the support plate 2 with the sealing gasket 3 on the upper side is placed, and then the upper and lower support plates 2, the sealing gasket 3 and the pipe body 1 are sealed and fixed by using the locking piece 4. Finally, the pipeline repair is completed, which will be described in detail below with reference to the drawings.

[0028] REFERENCE Figures 1-5The embodiment provides a pipeline repairing structure, which comprises a pipe body 1 provided with a joint at the bottom, the joint extends along the pipe body and is arranged on the whole pipe body 1, support plates 2 corresponding to the joint are arranged on the inner and outer sides of the pipe body 1, sealing pads 3 are arranged on the side of the support plates 2 close to the pipe body 1, and the support plates 2 and the pipe body 1 are sealingly fixed through locking pieces 4; the pipe body 1 is divided into a first side part 5 and a second side part 6 at the joint, and blind holes 7 are arranged on the first side part 5 and the second side part 6. The blind holes 7 are used for cooperating with plug-in pieces 10 on a first tensioning part 8 and a second tensioning part 9 in an auxiliary tool, then the first tensioning part 8 and the second tensioning part 9 are used for expanding the coiled pipe body 1 into place, then the pipe body 1 is locked and fixed together with the support plates 2 and the sealing pads 3 on the upper and lower sides of the joint through the locking pieces 4, and sealing and waterproof are realized; the joint extending along the whole pipe body 1 can be used to place the pipe body 1 in the pipeline to be repaired in a coiled posture.

[0029] The locking piece 4 is a bolt, the support plates 2 on the inner and outer sides of the pipe body 1 are provided with corresponding threaded holes, and the pipe body 1 is provided with through holes corresponding to the threaded holes.

[0030] Indication marks 11 are arranged on the two end sides of the support plates 2, which are used for aligning the two upper and lower support plates 2, and then aligning the threaded holes and other structures thereon.

[0031] The head of the bolt is located on the inner side of the pipe body, and a sealing ring is arranged between the head of the bolt and the pipe body 1, so that the sealing effect is further improved.

[0032] The depth of the blind hole 7 is greater than or equal to 0.5 mm. The depth of the blind hole 7 should not be too shallow, so that the plug-in relationship cannot be maintained after cooperating with the plug-in piece 10, and the first side part 5 or the second side part 6 is separated from the auxiliary tool when the pipe body 1 is expanded.

[0033] At least one plug-in structure is arranged between the first side part 5 and the second side part 6, the plug-in structure comprises a dovetail-shaped opening 12 of the first side part 5 and a corresponding dovetail-shaped protrusion 13 on the second side part 6. After the pipe body 1 is expanded, the first side part 5 and the second side part 6 can be clamped with each other through the corresponding relationship between the dovetail-shaped opening 12 and the dovetail-shaped protrusion 13, so that the pipe body 1 at the joint is not re-coiled after the auxiliary tool is removed.

[0034] The utility model discloses still provide a pipeline repair auxiliary tool for above -mentioned pipeline repair structure, including with first side department 5 and second side department 6 blind hole 7 respectively matched first tension part 8 and second tension part 9, all be provided with the insertion piece 10 corresponding with blind hole 7 on first tension part 8 and second tension part 9;First tension part 8 and second tension part 9 are connected through bidirectional screw rod 14. Drive first tension part 8 and second tension part 9 away from each other by bidirectional screw rod 14, and then drive first side department 5 and second side department 6 away when insertion piece 10 is inserted in blind hole 7, and then expand pipe body 1, and finally align the edge of first side department 5 and second side department 6 at the joint, and pipe body 1 expands in place.

[0035] One of first tension part 8 and second tension part 9 is provided with guide pipe 15, and the other is provided with guide rod 16 matched with the guide pipe 15, for keeping the stability of the auxiliary tool when expanding pipe body 1.

[0036] First tension part 8 and second tension part 9 are provided with insertion hole 17, and insertion piece 10 passes through insertion hole 17, so that insertion piece 10 can be detachable and flexible for on-site operation.

[0037] The bottom of first tension part 8 and second tension part 9 is arc-shaped. In this way, first tension part 8 and second tension part 9 can better cooperate with pipe body 1 to drive first side department 5 and second side department 6 to expand in place.

[0038] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "front", "back", "left", "right", "top", "bottom", "top", "bottom", "inside", "outside" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] Obviously, the elements or features described in the above single embodiment can be used alone or in combination in other embodiments.

[0040] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] The scope of protection of the utility model is only limited by the claims. Thanks to the teaching of the utility model, the person skilled in the art can easily recognize that the alternative structure of the disclosed structure of the utility model can be used as a feasible alternative implementation mode, and the disclosed implementation mode of the utility model can be combined to produce a new implementation mode, which also falls within the scope of the appended claims.

Claims

1. A pipe repair structure, characterized by, The utility model provides a pipe body with joint, which comprises a pipe body with a joint below, the joint extends along the pipe body axially throughout the pipe body, the inner and outer sides of the pipe body are provided with support plates corresponding to the joint, the side of the support plate close to the pipe body is provided with a sealing gasket, and the support plate and the pipe body are sealed and fixed through locking pieces; the pipe body is divided into a first side part and a second side part at the joint, and blind holes are arranged on the first side part and the second side part.

2. A pipe rehabilitation structure according to claim 1, wherein, The locking pieces are bolts, the support plates on the inner and outer sides of the pipe body are provided with corresponding threaded holes, and the pipe body is provided with through holes corresponding to the threaded holes.

3. A pipe rehabilitation structure according to claim 2, wherein, The two end sides of the support plate are provided with indication marks.

4. A pipe rehabilitation structure according to claim 2, wherein, The head of the bolt is located on the inner side of the pipe body, and a sealing ring is arranged between the head of the bolt and the pipe body.

5. The pipe rehabilitation structure of any one of claims 1 to 4, wherein, The depth of the blind hole is greater than or equal to 0.5 mm.

6. A pipe rehabilitation structure according to claim 5, wherein, At least one insertion structure is arranged between the first side part and the second side part, the insertion structure comprises a dovetail-shaped opening of the first side part and a corresponding dovetail-shaped protrusion on the second side part.

7. A pipe repair aid for use with any one of the pipe repair structures of claims 1 to 6, characterized by, The utility model provides a pipe body with joint, which comprises a pipe body with a joint below, the joint extends along the pipe body axially throughout the pipe body, the inner and outer sides of the pipe body are provided with support plates corresponding to the joint, the side of the support plate close to the pipe body is provided with a sealing gasket, and the support plate and the pipe body are sealed and fixed through locking pieces; the pipe body is divided into a first side part and a second side part at the joint, and blind holes are arranged on the first side part and the second side part.

8. A pipe rehabilitation aid according to claim 7, wherein, One of the first tensioning part and the second tensioning part is provided with a guide pipe, and the other is provided with a guide rod matched with the guide pipe.

9. A pipe rehabilitation aid according to claim 7, wherein, The first tensioning part and the second tensioning part are provided with insertion holes, and the insertion pieces pass through the insertion holes.

10. A pipe rehabilitation aid according to claim 7, wherein, The bottom of the first tensioning part and the second tensioning part is arc-shaped. The bottom of the first tensioning part and the second tensioning part is arc-shaped.

Images