Pipeline rupture detection device and detection method

Abstract

The present invention provides a pipeline rupture detection device and detection method, including a main body, a booster part and a propulsion part, the main body is a hollow cylinder, a main body inner cavity is arranged inside, and the main body side wall is installed in contact with the inner wall of the pipeline; a plurality of grooves are reserved in the circumference of the main body side wall, a water outlet connected to the main body inner cavity is arranged at the bottom of the groove, and a pressure sensor is installed at each water outlet position on the inner wall of the main body inner cavity; a water ball is arranged inside the main body inner cavity; the booster part includes a booster pipe, which is fixedly connected to one axial end of the main body, and the inside of the booster pipe is interconnected with the main body inner cavity through a connecting hole, and a water inlet is arranged on the booster pipe; the propulsion part is used to drive the main body and the booster part into the pipeline. The pipeline rupture detection device and detection method have low detection cost and can quickly find the damaged position in the pipeline.

Description

Technical Field

[0001] The present invention relates to the technical field related to pipeline detection, and more specifically, to a pipeline rupture detection device and a detection method. Background Art

[0002] In water conservancy projects, some large water pipes are often installed underground. When a pipe ruptures, it is difficult to detect the location of the rupture, and the cost of digging out the entire pipe is too high.

[0003] In the prior art, a Chinese patent with publication number CN114658957A discloses a pipeline detection device, including a shell, a slide groove is provided inside the shell; a camera is arranged on the shell; a controller is arranged in the shell and connected to the camera; a rotating component is arranged in the shell and connected to the controller; a moving component is connected to the controller, and the moving component is connected to the rotating component and is slidably connected in the slide groove; the controller is used to control the rotation of the rotating component to make the moving component move in the slide groove toward the outside of the shell, so that the moving component moves in the pipeline after being close to the inner wall of the pipeline, and the camera is turned on to detect the pipeline.

[0004] However, the above-mentioned devices, whether they are devices with cameras for detection in pipelines or external receiving platforms for receiving transmission data, are too expensive to manufacture and waste resources. Summary of the invention

[0005] In order to overcome the problem that the current pipeline detection device is too expensive in the above background, the present invention provides a pipeline rupture detection device and a detection method.

[0006] In order to solve the above technical problems, the technical solution of the present invention is as follows:

[0007] A pipeline rupture detection device,

[0008] It includes a main body, a pressurizing part and a propulsion part. The main body is a hollow cylinder, and a main body inner cavity is arranged inside it. The side wall of the main body is installed in contact with the inner wall of the pipeline. A plurality of grooves are reserved in a circumferential circle of the side wall of the main body, and a water outlet connected to the main body inner cavity is arranged at the bottom of the groove. A pressure sensor is installed at each water outlet position on the inner wall of the main body inner cavity. A water ball is arranged inside the main body inner cavity.

[0009] The boosting part includes a boosting pipe, which is fixedly connected to one axial end of the main body, and the inside of the boosting pipe is connected to the inner cavity of the main body through a connecting hole. The boosting pipe is provided with a water inlet, and an exhaust hole is reserved on the side of the top surface of the main body close to the boosting part;

[0010] The propulsion unit is used to drive the main body and the pressurization unit into the pipeline.

[0011] In the above embodiment, since the side wall of the main body and the inner wall of the pipe are in contact with each other, when the water inside the main body is full, the water inside is pressurized by the pressurizing part so that the water pressure inside the main body is greater than the external atmospheric pressure. When the rupture in the pipe enters the groove, the inside of the main body is connected with the outside of the pipe. At this time, the water inside the main body flows out through the water outlet at the first time, the pressure gauge value drops, and the approximate position of the rupture is determined.

[0012] When it is necessary to further determine the position of the pipe damage in the cross section, since part of the water flows out of the pipe through the water outlet and the ruptured part of the pipe in the above process, the water level inside the main body and the booster pipe is lowered. Therefore, it is necessary to use a water pump to transport high-pressure water to ensure that the water pressure in the main body and the booster pipe is greater than the external atmospheric pressure. At this time, the water ball filled with water blocks the water outlet under the action of pressure, and continuously squeezes the pressure sensor at this position, and receives the signal externally to determine the specific position of the pipe damage in the cross section.

[0013] It needs to be explained that when the water inside the main body flows out through the outlet in the first step, the internal water level is lowered. The purpose of continuously flushing water inside the main body in the second step is not only to ensure sufficient internal water pressure, but also to ensure that when the pipe crack is at the upper part of the pipe, the water ball can move upward. Otherwise, if the rupture is in the middle and lower ends of the pipe, the subsequent water filling steps can be omitted.

[0014] Preferably, a detachable main body cover is installed on an end surface of the main body opposite to the boosting part in the axial direction.

[0015] Preferably, a detachable boost pipe cover is installed on the end of the boost pipe opposite to the main body, and an electric telescopic rod is installed on the boost pipe cover. The output rod of the electric telescopic rod penetrates into the boost pipe, and a piston matching the inner diameter of the boost pipe is installed at the output rod port.

[0016] Preferably, the propulsion unit includes a movable connection piece, a rotating joint, and an extension rod, wherein:

[0017] The movable connecting piece is a frame-shaped piece with a cut-off opening on one side. Both ends of the opening of the movable connecting piece are rotatably connected to the side wall of the boost pipe through rotating joints; an extension rod is also provided on the end of the movable connecting piece opposite to its opening.

[0018] Preferably, a first threaded joint is provided on the end of the movable connecting piece opposite to its opening, a threaded interface threadably matched with the first threaded joint is provided at one end of the extension rod, and a second threaded joint matching with the threaded interface is provided at the end of the extension rod opposite to the threaded interface.

[0019] Preferably, the main body also includes a cleaning plate, which includes a cleaning portion with a ring-shaped front section and a mounting portion with a rear section that is detachably mounted on the front section of the main body cover plate; the side wall of the cleaning portion of the cleaning plate is fitted with the pipeline, and the inner diameter of the cleaning portion of the cleaning plate gradually decreases from top to bottom.

[0020] Preferably, a layer of rubber sleeve is bonded to the side wall of the main body, and the rubber sleeve is provided with an opening corresponding to the groove.

[0021] Preferably, a pressure gauge is installed on the boost pipe.

[0022] The present invention also provides a pipeline rupture detection method, comprising the following steps:

[0023] S1: Place the water ball into the main body cavity inside the main body of the detection device, cover the main body cover plate, push the main body and the boosting pipe partly into the pipeline through the pushing part, ensure that the groove is located inside the pipeline, use a water pump to transport water into the boosting pipe through the water inlet until the air inside the main body and the boosting pipe is emptied through the exhaust hole, and completely push the main body and the boosting pipe of the detection device into the pipeline to be tested;

[0024] S2: Drive the electric telescopic rod to drive the output rod and the piston to push toward the main body, pressurize the main body and the inside of the booster pipe, and record the value of the pressure gauge. The pressure value is 0.14Mpa-0.7Mpa;

[0025] S3: The main body and the booster pipe are continuously pushed into the pipe by the propulsion unit until the pressure value of the pressure gauge decreases, and the propulsion is stopped;

[0026] S4: Use a water pump to continuously deliver high-pressure water into the booster pipe through the water inlet to ensure that the main body and the booster pipe (2) are filled with water, and the pressure gauge value is not less than 0.3Mpa. The water ball moves toward the water outlet at the leaking location and squeezes the pressure sensor at the corresponding position;

[0027] S5: Record the value change of the pressure sensor at the water pipe leakage point, and the detection is completed.

[0028] Preferably, the density of the liquid injected into the water ball is the same as the density of the water delivered into the main body and the booster pipe by the water pump.

[0029] Compared with the prior art, the technical solution of the present invention has the following beneficial effects: the device has low cost and the detection means is fast and effective, specifically:

[0030] 1) When the water pressure inside the main body is sufficient, the water ball in the main body will move towards the outlet where the pipe is broken under the action of pressure, blocking the outlet and squeezing the pressure sensor at the same time. The pressure sensor transmits the signal to the external display panel, thereby quickly determining the location of the pipe rupture;

[0031] 2) It is equipped with a booster pipe, an electric telescopic rod, an output rod and a piston. The electric telescopic rod is driven by an external control unit, so that the output rod drives the piston to move toward the main body, which can discharge the air inside the main body. After the main body enters the pipe, it continues to pressurize to ensure that the water pressure inside the main body is greater than the atmospheric pressure outside the pipe;

[0032] 3) A propulsion unit is provided, and multiple extension rods in the propulsion unit can be connected through a second threaded joint and a threaded interface to ensure that the device can be extended into a deeper area in the pipeline;

[0033] 4) A rubber sleeve and a cleaning plate are provided. The rubber sleeve can prevent the friction between the main body and the inner wall of the pipe, which may cause scratches on the side wall of the main body, resulting in poor sealing effect after the main body and the pipe are fitted together. Water will flow out through the gap, making it difficult to maintain the water pressure inside the main body and the booster pipe at a constant value. A cleaning plate is provided at the front end of the main body to remove obstacles when the main body is moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall top view structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the internal structure of the main body of the present invention;

[0036] Figure 3 It is a schematic diagram of the internal structure of the main body and the boost pipe of the present invention;

[0037] Figure 4 It is a schematic diagram of the cross-sectional structure of the main body and the rubber sleeve of the present invention from top view;

[0038] Figure 5 It is a schematic diagram of the three-dimensional structure of the cleaning plate of the present invention.

[0039] Among them: 1. Main body; 11. Groove; 12. Water outlet; 13. Pressure sensor; 14. Main body cover; 15. Connection hole; 16. Cleaning plate; 17. Main body cavity; 18. Exhaust hole; 2. Booster pipe; 21. Water inlet; 22. Pressure gauge; 23. Booster pipe cover; 3. Electric telescopic rod; 4. Propulsion unit; 41. Active connector; 42. Rotating joint; 43. First threaded joint; 44. Extension rod; 45. Second threaded joint; 46. Threaded interface; 5. Water ball; 6. Output rod; 7. Piston; 8. Rubber sleeve. DETAILED DESCRIPTION

[0040] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0041] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0043] Spatially relative terms such as "under," "beneath," "below," "under," "above," "above," and the like may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It should be understood that, in addition to the orientations shown in the figures, spatially relative terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0044] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the relevant listed items.

[0045] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments. Example

[0046] See also Figure 1-3 A pipeline rupture detection device comprises a main body 1, a pressurizing part and a propulsion part 4,

[0047] like Figure 2As shown, the main body 1 is a hollow cylinder, and a main body inner cavity 17 is arranged inside the main body 1. The side wall of the main body 1 is installed in contact with the inner wall of the pipeline; a plurality of grooves 11 are reserved in a circumferential circle on the side wall of the main body 1, and a water outlet 12 connected to the main body inner cavity 17 is arranged at the bottom of the groove 11. A pressure sensor 13 is installed at the position of each water outlet 12 on the inner wall of the main body inner cavity 17; a water ball 5 is arranged inside the main body inner cavity 17;

[0048] like Figure 3 As shown, the boosting part includes a boosting pipe 2, which is fixedly connected to one axial end of the main body 1, and the inside of the boosting pipe 2 is interconnected with the inner cavity 17 of the main body through a connecting hole 15. The boosting pipe 2 is provided with a water inlet 21, and an exhaust hole 18 is reserved on the top surface of the main body 1 near the side of the boosting part;

[0049] The propulsion unit 4 is used to drive the main body 1 and the pressurizing unit into the pipeline.

[0050] The specific working principle of the above embodiment is as follows: when the front part of the main body 1 is pushed into the pipeline, it is ensured that the groove 11 completely enters the pipeline. At this time, the water pump is turned on by the external control unit to transport water into the boosting pipe 2 through the water inlet 21. The water further enters the main body 1 through the connecting hole 15 until the water is discharged through the exhaust hole 18. The water in the main body 1 and the boosting pipe 2 is full. At this time, the main body 1 is completely pushed into the pipeline by the propulsion part 4. Under the action of the water pump, a constant water pressure is maintained inside the main body 1 and the boosting pipe 2, and the water pressure is greater than the atmospheric pressure outside the pipe. At this time, the device is completely pushed into the pipeline. When the groove 11 on the main body 1 moves to the crack, the high-pressure water inside the main body 1 and the boosting pipe 2 flows out through the water outlet 12 and the crack. Under the action of pressure, the water ball moves toward this position and blocks the water outlet. At the same time, it squeezes the pressure sensor 13 at this position. The pressure gauge and sensor data are recorded by the external display panel, so that the pipeline rupture position and the position of the crack in the pipeline cross section can be accurately found.

[0051] It should be noted that, in order to ensure a constant pressure inside the main body 1 and the booster pipe 2, at least one remotely controllable water shut-off valve should be provided on the water pipe. This part is prior art and will not be described in detail in this application.

[0052] Furthermore, a removable main body cover 14 is installed on the end face of the main body 1 opposite to the booster part in the axial direction. The design of the main body cover 14 facilitates maintenance of the interior of the main body 1, including replacement of the water ball 5 and unblocking of the water outlet 12.

[0053] Specifically, the main body 1 also includes a cleaning plate 16, which includes a front ring-shaped cleaning portion and a rear detachable mounting portion mounted on the front portion of the main body cover 14; the side wall of the cleaning portion of the cleaning plate 16 is fitted with the pipeline, and the inner diameter of the cleaning portion of the cleaning plate 16 gradually decreases from top to bottom, so that the cleaning plate 16 can clear obstacles when the main body is moving.

[0054] Furthermore, a layer of rubber sleeve 8 is bonded to the side wall of the main body 1, and an opening corresponding to the groove 11 is provided on the rubber sleeve 8. The rubber sleeve 8 can prevent the main body 1 from rubbing against the inner wall of the pipe, which would cause scratches on the side wall of the main body 1, resulting in a poor sealing effect after the main body 1 and the pipe are fitted together, and water would flow out through the gap, making it difficult to maintain the internal water pressure of the main body 1 and the boost pipe 2 at a constant value.

[0055] Furthermore, a pressure gauge 22 is installed on the boost pipe 2. The pressure gauge 22 is a wireless intelligent type, and remote numerical monitoring can be performed. When the value of the pressure gauge changes, it means that the main body 1 has reached the pipeline leakage position.

[0056] Furthermore, the propulsion unit 4 includes a movable connection member 41, a rotating joint 42, and an extension rod 44, wherein:

[0057] The movable connecting member 41 is a frame-shaped member with a cut-off opening on one side. Both ends of the opening of the movable connecting member 41 are rotatably connected to the side wall of the boost pipe 2 through a rotating joint 42; an extension rod 44 is also provided on the end of the movable connecting member 41 opposite to its opening.

[0058] Specifically, a first threaded joint 43 is provided on the end of the movable connecting piece 41 opposite to its opening, a threaded interface 46 threadedly matched with the first threaded joint 43 is provided on one end of the extension rod 44, and a second threaded joint 45 matching with the threaded interface 46 is provided at the end of the extension rod 44 opposite to the threaded interface 46.

[0059] By connecting a plurality of extension rods 44, the overall length of the device can be extended to adapt to water pipelines of some large-scale water conservancy projects. Example

[0060] See also Figure 2 A pipeline rupture detection device comprises a main body 1, a pressurizing part and a propulsion part 4,

[0061] The main body 1 is a hollow cylinder, with a main body inner cavity 17 arranged inside, and the side wall of the main body 1 is installed in contact with the inner wall of the pipeline; a plurality of grooves 11 are reserved in a circumferential circle on the side wall of the main body 1, and a water outlet 12 connected to the main body inner cavity 17 is arranged at the bottom of the groove 11, and a pressure sensor 13 is installed on the inner wall of the main body inner cavity 17 at the position of each water outlet 12; a water ball 5 is arranged inside the main body inner cavity 17; the boosting part includes a boosting pipe 2, which is fixedly connected to one axial end of the main body 1, and the inside of the boosting pipe 2 and the main body inner cavity 17 are connected through a connecting hole 15, a water inlet 21 is arranged on the boosting pipe 2, and an exhaust hole 18 is reserved on the top surface of the main body 1 close to the side of the boosting part; the propulsion part 4 is used to drive the main body 1 and the boosting part into the pipeline.

[0062] A detachable boost pipe cover 23 is installed on the end of the boost pipe 2 opposite to the main body 1, and an electric telescopic rod 3 is installed on the boost pipe cover 23. The output rod 6 of the electric telescopic rod 3 penetrates into the boost pipe 2, and a piston 7 matching the inner diameter of the boost pipe 2 is installed at the port position of the output rod 6.

[0063] The difference from Example 1 is that in this embodiment, a constant pressure is achieved inside the main body 1 and the boost pipe 2 by means of an electric telescopic rod 3, an output rod 6 and a piston 7. The purpose of setting the electric telescopic rod 3 is to ensure the stability of its control, so as to facilitate the subsequent control of the water pressure value to be more precise. When the water pressure is controlled solely by a stop valve, it is difficult to control the water pressure at an accurate value.

[0064] The following is an introduction to a detection method of a pipeline rupture detection device of the present invention, comprising the following steps:

[0065] S1: Put the water ball 5 into the main body cavity 17 inside the main body 1 of the detection device, cover the main body cover plate 14, push the main body 1 and the boosting pipe 2 into a part of the pipeline through the pushing part 4, ensure that the groove 11 is located inside the pipeline, use a water pump to transport water into the boosting pipe 2 through the water inlet 21, until the air inside the main body 1 and the boosting pipe 2 is emptied through the exhaust hole 18, and completely push the main body 1 and the boosting pipe 2 of the detection device into the pipeline to be detected;

[0066] S2: Drive the electric telescopic rod 3 to drive the output rod 6 and the piston 7 to push toward the main body 1, pressurize the main body 1 and the inside of the booster pipe 2, and record the value of the pressure gauge 22, the pressure value is 0.14Mpa-0.7Mpa;

[0067] S3: The main body 1 and the booster pipe 2 are continuously pushed into the pipe by the pushing part 4 until the pressure value of the pressure gauge 22 decreases, and the pushing is stopped;

[0068] S4: Use a water pump to continuously deliver high-pressure water into the booster pipe 2 through the water inlet 21 to ensure that the main body 1 and the booster pipe 2 are filled with water, and the value of the pressure gauge 22 is not less than 0.3Mpa. The water ball 5 moves toward the water outlet 12 at the leaking location and squeezes the pressure sensor 13 at the corresponding position;

[0069] S5: Record the value change of the pressure sensor 13 at the water pipe leakage point, and the detection is completed.

[0070] Furthermore, the density of the liquid injected into the water ball 5 is the same as the density of the water delivered into the main body 1 and the booster pipe 2 by the water pump.

[0071] In some cases, the water ball 5 can also be replaced by a plastic ball, such as polyethylene and polypropylene. The density of these commonly used plastics is generally between 0.90 and 0.96 g / cm³, and the density of polystyrene, polycarbonate, polyimide, etc. is generally between 1.0 and 2.2 g / cm³. According to the different densities of the liquid introduced into the main body 1, the plastic ball with appropriate density can be selected to achieve the same effect.

[0072] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pipeline rupture detection device, characterized in that: The invention comprises a main body (1), a pressurizing part and a propulsion part (4); the main body (1) is a hollow cylinder, a main body inner cavity (17) is arranged inside the main body, and the side wall of the main body (1) is installed in contact with the inner wall of the pipeline; a plurality of grooves (11) are reserved in a circumferential direction on the side wall of the main body (1); a water outlet (12) communicating with the main body inner cavity (17) is arranged at the bottom of the groove (11); a pressure sensor (13) is installed on the inner wall of the main body inner cavity (17) at the position of each water outlet (12); a water ball (5) is arranged inside the main body inner cavity (17); The boosting part comprises a boosting pipe (2), the boosting pipe (2) is fixedly connected to one axial end of the main body (1), the interior of the boosting pipe (2) and the inner cavity (17) of the main body are interconnected via a connecting hole (15), a water inlet (21) is provided on the boosting pipe (2), and an exhaust hole (18) is reserved on the top surface of the main body (1) close to the boosting part; The propulsion unit (4) is used to drive the main body (1) and the pressurizing unit into the pipeline; A detachable boost pipe cover plate (23) is installed on the end of the boost pipe (2) opposite to the main body (1), an electric telescopic rod (3) is installed on the boost pipe cover plate (23), an output rod (6) of the electric telescopic rod (3) penetrates into the boost pipe (2), and a piston (7) matching the inner diameter size of the boost pipe (2) is installed at the port position of the output rod (6).

2. A pipeline rupture detection device according to claim 1, characterized in that: A detachable main body cover plate (14) is mounted on an end surface of the main body (1) opposite to the boosting portion in the axial direction.

3. A pipeline rupture detection device according to claim 1, characterized in that: The propulsion unit (4) comprises a movable connection member (41), a rotating joint (42), and an extension rod (44), wherein: The movable connecting member (41) is a frame-shaped member with a cut-off opening on one side, and both ends of the opening of the movable connecting member (41) are rotatably connected to the side wall of the boost pipe (2) via a rotating joint (42); an extension rod (44) is also provided on the end of the movable connecting member (41) opposite to the opening.

4. A pipeline rupture detection device according to claim 3, characterized in that: A first threaded joint (43) is provided at one end of the movable connecting member (41) opposite to its opening, a threaded interface (46) threadably matched with the first threaded joint (43) is provided at one end of the extension rod (44), and a second threaded joint (45) matching with the threaded interface (46) is provided at one end of the extension rod (44) opposite to the threaded interface (46).

5. A pipeline rupture detection device according to claim 2, characterized in that: The main body (1) further comprises a cleaning plate (16), the cleaning plate (16) comprising a front ring-shaped cleaning portion and a rear detachable mounting portion mounted on the front portion of the main body cover plate (14); the side wall of the cleaning portion of the cleaning plate (16) is mounted in close contact with the pipeline, and the inner diameter of the cleaning portion of the cleaning plate (16) gradually decreases from top to bottom.

6. A pipeline rupture detection device according to claim 1, characterized in that: A layer of rubber sleeve (8) is bonded to the side wall of the main body (1), and the rubber sleeve (8) is provided with an opening corresponding to the groove (11).

7. A pipeline rupture detection device according to claim 1, characterized in that: A pressure gauge (22) is installed on the boost pipe (2).

8. A detection method for a pipeline rupture detection device according to any one of claims 1 to 7, characterized in that: The steps include: S1: Place the water ball (5) into the main body cavity (17) inside the main body (1) of the detection device, cover the main body cover plate (14), push the main body (1) and the boosting pipe (2) partway into the pipeline through the pushing part (4), ensure that the groove (11) is located inside the pipeline, use a water pump to transport water into the boosting pipe (2) through the water inlet (21), until the air inside the main body (1) and the boosting pipe (2) is exhausted through the exhaust hole (18), and completely push the main body (1) and the boosting pipe (2) of the detection device into the pipeline to be detected; S2: driving the electric telescopic rod (3) to drive the output rod (6) and the piston (7) to push in the direction of the main body (1), pressurizing the inside of the main body (1) and the booster pipe (2), and recording the value of the pressure gauge (22), the pressure value is 0.14Mpa-0.7Mpa; S3: the main body (1) and the booster pipe (2) are continuously pushed into the pipe by the pushing part (4) until the pressure value of the pressure gauge (22) decreases, and the pushing is stopped; S4: Use a water pump to continuously deliver high-pressure water into the booster pipe (2) through the water inlet (21), ensure that the main body (1) and the booster pipe (2) are filled with water, and ensure that the value of the pressure gauge (22) is not less than 0.3Mpa, and the water ball (5) moves toward the water outlet (12) at the leaking location to squeeze the pressure sensor (13) at the corresponding position; S5: Record the value change of the pressure sensor (13) at the water pipe leakage point, and the detection is completed.

9. A detection method for a pipeline rupture detection device according to claim 8, characterized in that: The density of the liquid injected into the water ball (5) is the same as the density of the water transported by the water pump into the main body (1) and the booster pipe (2).

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