Pipeline in-situ repairing device without cutting off water supply

Abstract

The utility model provides a non-water-cut-off pipeline in-situ repairing device which is used for conducting non-water-cut-off repairing on a to-be-repaired pipeline in a drainage pipeline and comprises a first plugging device, a second plugging device, a new pipe and a guide pipe. The two first plugging devices are arranged at the two ends of the to-be-repaired pipeline correspondingly and used for plugging the to-be-repaired pipeline. The two second plugging devices are arranged on the upstream pipeline and the downstream pipeline on the two sides of the to-be-repaired pipeline correspondingly and used for plugging the upstream pipeline and the downstream pipeline on the two sides of the to-be-repaired pipeline. The new pipe is connected between the two first plugging devices and used for repairing the to-be-repaired pipeline. The guide pipe is communicated with the to-be-repaired pipeline and the upstream pipeline and the downstream pipeline on the two sides of the to-be-repaired pipeline through the two first plugging devices and the two second plugging devices. The new pipe is arranged in the to-be-repaired pipeline, the flexible middle guide hose is arranged in the new pipe, the upstream and the downstream are communicated, water flow smoothness is guaranteed in the pipeline repairing process, and repairing is carried out without stopping and affecting ground traffic.

Description

Technical Field

[0001] The technical field that the utility model relates to, in particular, Background Art

[0002] Before implementing trenchless in-situ curing technology for existing pipelines, some key preparations are required to ensure the smooth progress of the repair process. The specific steps include the following:

[0003] (1) Airbag sealing: Install airbags in the upstream and downstream pipes of the pipe section to be repaired to block the water flow. This step is to prevent water from entering the repair area, thereby ensuring a dry environment for the repair work.

[0004] (2) Draining of accumulated water: After plugging, drain the accumulated water in the pipe section to be repaired. This can be done by using a water pump or other drainage equipment to ensure that no water remains during the repair process.

[0005] (3) Temporary drainage system: To ensure the normal operation of the existing drainage network, a temporary drainage system is usually set up. The upstream water bypasses the pipe section to be repaired through the temporary drainage system and is directly directed downstream. This method can prevent stagnation or overflow of the drainage network during the repair period. Utility Model Content

[0006] The utility model aims to provide an in-situ repair device for a non-stop water pipeline which does not require water shut-off for maintenance and excavation in situ, and ensures smooth water flow during the pipeline repair process.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A device for repairing an in-situ pipe without water interruption is used to repair the pipe to be repaired in a drainage pipe without water interruption, comprising a blocking device 1, a blocking device 2, a new pipe and a conduit; the blocking device 1 is provided with two groups, which are respectively arranged at both ends of the pipe to be repaired, for blocking the pipe to be repaired; the blocking device 2 is provided with two groups, which are respectively arranged at the upstream pipe and downstream pipe on both sides of the pipe to be repaired, for blocking the upstream pipe and downstream pipe on both sides of the pipe to be repaired; the new pipe is connected and arranged between the two groups of the blocking device 1, for repairing the pipe to be repaired; the conduit is connected to the pipe to be repaired and the upstream pipe and downstream pipe on both sides of the pipe through two groups of the blocking device 1 and two groups of the blocking device 2, and the water supply of the upstream pipe is connected to the downstream pipe, so as to realize the pipe repair without water interruption.

[0009] Preferably, the conduit includes a middle conduit and a middle guide hose; the middle guide hose is arranged in the new pipe; there are two middle conduits, which are respectively arranged between the first blocking device and the second blocking device, and the middle guide hoses are connected to the upstream pipe and the downstream pipe on both sides of the pipeline to be repaired through the two middle conduits.

[0010] Preferably, the new pipe is a resin hose, which is used to repair the pipeline to be repaired after curing.

[0011] Preferably, both the first and second blocking devices include a central air bag, and the central air bag is provided with an air inlet for introducing steam or performing inflation.

[0012] Preferably, the central airbag adopts a hollow structure. The hollow structure of the central airbag of the first blocking device is used to penetrate the central guide hose, and the hollow structure of the central airbag of the second blocking device is used to penetrate the central catheter.

[0013] Preferably, end plates are provided on both sides of the first blocking device, and the air inlet is provided on the end plate and communicated with the central air guide bag.

[0014] Preferably, the air inlet is connected to an external inflation device through an inflation hose, and gas is provided to the resin hose through the inflation device for inflating the resin hose so that it expands and fits the inner wall of the pipe to be repaired; the air inlet is connected to an external steam device through a steam pipe, and steam is provided to the resin hose through the steam device for curing the resin hose.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The utility model places a new pipe in the pipeline to be repaired, and places a flexible intermediate guide hose in the new pipe that can connect the upstream and downstream pipelines, thereby connecting the upstream and downstream and ensuring smooth water flow during the pipeline repair process.

[0017] 2. The utility model sets the temporary water conduit in the replacement new pipe, which does not affect ground traffic and can also repair the existing pipeline without stopping operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of an in-situ repair device for a non-stop water pipe according to an embodiment of the present invention, applied to a drainage pipe and a vertical shaft pipe;

[0019] Figure 2 A schematic structural diagram of a side view of a blocking device in an in-situ repair device for a non-stop water pipeline provided in an embodiment of the present utility model.

[0020] The serial numbers in the figure are as follows:

[0021] 1. Shaft pipe; 2. Drainage pipe; 3-1. Resin hose; 3-2. Sealing device 1; 3-3. Intermediate guide hose; 3-4. Sealing device 2; 3-5. Steam pipe; 3-6. End plate; 3-7. Intermediate guide pipe; 3-8. Air inlet. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] like Figure 1 and Figure 2 As shown, this embodiment provides an in-situ repair device for non-stop water pipes, which is used to repair the pipe to be repaired in the drainage pipe 2 without stopping water, including a blocking device 1 3-2, a blocking device 2 3-4, a resin hose 3-1, a middle guide hose 3-3 and a middle guide pipe 3-7.

[0024] There are two groups of blocking devices 3-2, which are respectively arranged at the two ends of the pipeline to be repaired, and are used to block the pipeline to be repaired.

[0025] There are two groups of blocking devices 2 3 - 4 , which are respectively arranged on the upstream pipeline and downstream pipeline on both sides of the pipeline to be repaired, and are used to block the upstream pipeline and downstream pipeline on both sides of the pipeline to be repaired.

[0026] Both the first and second blocking devices 3-2 and 3-4 contain a central airbag, which is hollow and designed to receive a flexible conduit. End plates 3-6 are located on either side of the first blocking device 3-2. Air inlets 3-8 are located on these plates and connect to the central airbag for steam or inflation.

[0027] The resin hose 3-1 is connected and arranged between the two sets of blocking devices 3-2, and is used to repair the pipeline to be repaired after solidification. The resin hose 3-1 is provided with a middle guide hose 3-3.

[0028] Two intermediate conduits 3-7 are provided, one located between the first plugging device 3-2 and the other plugging device 3-4. One end of one intermediate conduit 3-7 is connected to the hollow structure of the intermediate airbag of the second plugging device 3-4 in the upstream pipeline, and the other end is connected to the hollow structure of one end of a group of the first plugging device 3-2. One end of the intermediate hose 3-3 is inserted through the hollow structure of the other end of the first plugging device 3-2. The other end of the intermediate hose 3-3 is connected to one end of another group of the first plugging device 3-2. The other end of the group of the first plugging device 3-2 is connected to the hollow structure of the intermediate airbag of the second plugging device 3-4 in the downstream pipeline via the other intermediate conduit 3-7. In this way, water from the upstream pipeline is directed through one intermediate conduit 3-7 into the intermediate hose 3-3 in the pipeline to be repaired, and then into the other intermediate conduit 3-7 and into the downstream pipeline, enabling repair work on the pipeline to be repaired without shutting off the water supply.

[0029] In this embodiment, the air inlet 3-8 on the sealing device 3-2 is connected to an external inflation device through an inflation hose, and gas is provided to the resin hose 3-1 through the inflation device, so as to inflate the resin hose 1 so that it expands and fits the inner wall of the pipe to be repaired; the air inlet 3-8 is connected to an external steam device through a steam pipe 3-5, and steam is provided to the resin hose 3-1 through the steam device, so as to solidify the resin hose 1.

[0030] The working principle of this utility model is as follows:

[0031] Step S1: Under operating conditions, an underwater robot is used to perform a first cleaning on the drainage pipe 2 to be repaired.

[0032] Step S2: Select a low-operation period for the drainage pipe 2 (a period with low water consumption, such as nighttime or early morning). Use the second plugging device 3-4 with a central airbag to plug the upstream and downstream pipes on both sides of the pipe to be repaired in the drainage pipe 2 (select the vertical shaft pipe 1 closest to both sides of the pipe to be repaired for this purpose).

[0033] Step S3: Clean the pipeline to be repaired for the second time and drain the water.

[0034] Step S4: Drag the resin hose 3 - 1 into the pipeline to be repaired through the vertical shaft pipeline 1 , and connect a set of blocking devices 3 - 2 to both ends of the resin hose 3 - 1 .

[0035] Step S5: An inflation device is connected to the shaft pipe 1. The inflation device is connected to the air inlet 3-8 on the sealing device 3-2 through an inflation hose. The inflation device uses the inflation hose and the air inlet 3-8 to inflate the resin hose 3-1, causing it to expand and fit to the inner wall of the pipe to be repaired.

[0036] Step S6: Draw the intermediate guide hose 3-3 into the expanded resin hose 3-1.

[0037] Step S7: The two plugging devices 3-2 are connected to the plugging devices 3-4 in the upstream and downstream pipes on both sides of the pipe to be repaired through the middle pipe 3-7, so that the water in the upstream pipe enters the guide pipe 3-3 in the resin hose 3-1 through the middle pipe 3-7 connected to the upstream pipe in turn, and then flows into the downstream pipe through the middle pipe 3-7 connected to the downstream pipe, thereby achieving the purpose of non-stop water supply during the repair process of the pipe to be repaired.

[0038] Step S8: Replace the inflation device with a steam device, connect the steam device to the air inlet 3-8 on the blocking device 3-2 through the steam pipe 3-5, and use the steam pipe 3-5 and the air inlet 3-8 to let steam enter the resin hose 3-1. After the steam contacts the resin hose 3-1, it solidifies and completes the repair work on the pipeline to be repaired.

[0039] Step S9: Performing a quality inspection on the cured resin hose 3 - 1 to ensure that it complies with applicable standards for water supply.

[0040] Step S10: successively remove the middle guide hose 3-3, the first plugging device 3-2, the middle guide tube 3-7 and the second plugging device 3-4 in the pipeline to restore the normal operation of the drainage pipeline.

[0041] This utility model inserts a new pipe into the pipeline to be repaired and places a flexible intermediate hose in the new pipe that can connect the upstream and downstream pipes, thereby connecting the upstream and downstream pipes and ensuring smooth water flow during the pipeline repair process. The utility model places a temporary water conduit in the replacement new pipe, which does not affect ground traffic and can also repair existing pipelines without stopping operations.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0044] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. An in-situ repair device for a non-stop water pipe, used for repairing a pipe to be repaired in a drainage pipe (2) without stopping water, characterized in that: It includes a blocking device 1 (3-2), a blocking device 2 (3-4), a new tube and a catheter; The blocking device 1 (3-2) is provided with two groups, which are respectively arranged at both ends of the pipeline to be repaired, and are used to block the pipeline to be repaired; The second blocking device (3-4) is provided with two groups, which are respectively arranged on the upstream pipeline and the downstream pipeline on both sides of the pipeline to be repaired, and are used to block the upstream pipeline and the downstream pipeline on both sides of the pipeline to be repaired; The new pipe is connected and arranged between the two sets of the blocking devices (3-2) to repair the pipeline to be repaired; The conduit is connected to the pipeline to be repaired and the upstream pipelines and downstream pipelines on both sides thereof through two groups of the blocking device one (3-2) and two groups of the blocking device two (3-4), connecting the water supply of the upstream pipeline to the downstream pipeline, thereby realizing pipeline repair without water interruption.

2. The in-situ repair device for non-stop water pipes according to claim 1, characterized in that: The conduit comprises a middle conduit (3-7) and a middle guide hose (3-3); the middle guide hose (3-3) is arranged in the new pipe; two middle conduits (3-7) are provided, respectively arranged between the first plugging device (3-2) and the second plugging device (3-4); the middle guide hose (3-3) communicates with the upstream pipe and the downstream pipe on both sides of the pipeline to be repaired through the two middle conduits (3-7).

3. The in-situ repair device for non-stop water pipes according to claim 2, characterized in that: The new pipe is a resin hose (3-1) and is used to repair the pipeline to be repaired after solidification.

4. The in-situ repair device for non-stop water pipes according to claim 3, characterized in that: The blocking device 1 (3-2) and the blocking device 2 (3-4) both include a central air guide bag, and the central air guide bag is provided with an air inlet (3-8) for introducing steam or performing inflation.

5. The in-situ repair device for non-stop water pipes according to claim 4, characterized in that: The middle air guide bag adopts a hollow structure. The hollow structure of the middle air guide bag of the first blocking device (3-2) is used to penetrate the middle guide hose (3-3), and the hollow structure of the middle air guide bag of the second blocking device (3-4) is used to penetrate the middle catheter (3-7).

6. The in-situ repair device for non-stop water pipes according to claim 4, characterized in that: End plates (3-6) are respectively provided on both sides of the blocking device (3-2); an air inlet (3-8) is provided on the end plates (3-6) and is communicated with the central air guide bag.

7. The in-situ repair device for non-stop water pipes according to claim 4, characterized in that: The air inlet (3-8) is connected to an external inflation device via an inflation hose, and the inflation device provides gas to the resin hose (3-1) for inflating the resin hose (3-1) so as to expand the resin hose (3-1) and fit the inner wall of the pipeline to be repaired; The air inlet (3-8) is connected to an external steam device via a steam pipe (3-5), and steam is provided to the resin hose (3-1) via the steam device for curing the resin hose (3-1).

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