Pipeline under-pressure plugging device

Abstract

The utility model provides a pipeline under-pressure plugging device, relates to the technical field of pipeline plugging, and aims to solve the technical problem that in the prior art, after dangerous chemicals in a pipeline leak, repair and plugging cannot be carried out in time under the condition that the safety of maintenance personnel is guaranteed. The device comprises a propelling device, fixing devices, a sliding support, a supporting rod and a plugging device, the fixing devices are oppositely arranged on the two sides of the leakage position of the pipe body, the supporting rod is fixed between the fixing devices and located over the leakage position of the pipe body, the sliding support is slidably connected to the supporting rod, and the propelling device comprises a moving propelling set and a plugging propelling set. The movable propelling set is fixedly connected with the fixing device, the propelling end of the movable propelling set abuts against the sliding support, the leaking stoppage propelling set is connected with the sliding support, and the propelling end of the leaking stoppage propelling set is connected with a plugging device.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline blocking, in particular to a pipeline pressure blocking device. Background Art

[0002] Hazardous chemicals are transported through pipelines during production, transportation, and storage. Years of use can lead to perforations and cracks in these pipelines due to corrosion. This can cause fluid or gas leaks, resulting in the loss of large quantities of hazardous chemicals and endangering the surrounding environment and personnel. Therefore, leaks require prompt repair and plugging, while ensuring the safety of maintenance personnel, to minimize losses and avoid harm.

[0003] Most existing pipeline repair devices use fastening plugging tools, that is, they use fixing clamps, steel belts or tightened wire ropes to wrap around the outside of the pipeline where the leak occurs, generating a reaction so that the steel belt pressure applied to the leaking part is greater than the pressure of the medium itself overflowing, achieving a final balanced plugging method. In the current pressure pipeline leakage plugging process, it is not easy to repair and plug the leak in time while ensuring the safety of maintenance personnel after hazardous chemicals leak in the pipeline.

[0004] The applicant has discovered that the prior art has at least the following technical problems:

[0005] When hazardous chemicals leak in a pipeline, it is not easy to repair and stop the leak in a timely manner while ensuring the safety of maintenance personnel. Utility Model Content

[0006] The purpose of this utility model is to provide a pipeline pressure plugging device to solve the technical problem in the prior art of preventing leaks of hazardous chemicals in pipelines from being repaired and plugged in a timely manner while ensuring the safety of maintenance personnel. The various technical effects of the preferred technical solution among the various technical solutions provided by this utility model are detailed below.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] The utility model provides a pipeline pressure plugging device, which includes a propulsion device, a fixing device, a sliding support, a support rod and a plugging device, wherein:

[0009] The fixing devices are relatively arranged on both sides of the leakage point of the pipe body, the support rod is fixed between the fixing devices and is located directly above the leakage point of the pipe body, the sliding support is slidably connected to the support rod, and the propulsion device includes a mobile propulsion group and a leak-plugging propulsion group. The mobile propulsion group is fixedly connected to the fixing device and the propulsion end of the mobile propulsion group is in contact with the sliding support. The leak-plugging propulsion group is connected to the sliding support and the propulsion end of the leak-plugging propulsion group is connected to a plugger.

[0010] Preferably, it further comprises a fixing plug-in, the sliding support is provided with a through hole, the occluder is provided with a fixing hole, and the fixing plug-in can pass through the through hole of the sliding support and be fixedly connected with the fixing hole.

[0011] Preferably, the through hole and the fixing hole are arranged around the propulsion end of the leak-plugging propulsion group.

[0012] Preferably, the propulsion device includes a hydraulic oil pump and a jack, and there are multiple groups of jacks, and the multiple groups of jacks are respectively connected to the fixing device and the sliding support.

[0013] Preferably, the fixing device includes a fixing seat and a fixing frame, the fixing seat is in close contact with the outer surface of the tube body, and the fixing seat 3 is fixed to the tube body through the fixing frame.

[0014] Preferably, the contact surface between the fixing seat and the tube body is arc-shaped.

[0015] Preferably, the fixing frame is a clamp or a flexible belt.

[0016] Preferably, the contact surface between the occluder and the tube body is arc-shaped.

[0017] The utility model provides a pipeline pressure plugging device. When a pressure vessel or pipeline leaks, the fixing devices are arranged on both sides of the leak. The support rod, the sliding support and the plugging device are arranged above the leak through the fixing devices. The moving propulsion group is started to move the sliding support along the length direction of the support rod to just above the leak. The plugging propulsion group is started to move the plugging device toward the leak and fit the plugging device on the leaking part of the pipeline to establish a new sealing structure. When using this device to plug leaks, the personnel keep a distance from the leak point at all times during operation, thereby achieving the purpose of safe and rapid leak plugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 The utility model is a structural schematic diagram of a pipeline pressure plugging device according to an embodiment of the present invention.

[0020] In the figure: 1. Hydraulic oil pump; 2. Jack; 3. Fixed seat; 4. Sliding support; 5. Support rod; 6. Fixed frame; 7. Blocker; 8. Fixed hole; 9. Pipe body. DETAILED DESCRIPTION

[0021] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0022] The following describes the specific embodiments of the present invention in detail with reference to the accompanying drawings. In the accompanying drawings, the same reference numerals represent the same or corresponding technical features. The accompanying drawings are only schematic diagrams and are not necessarily drawn to scale.

[0023] The utility model provides a structural diagram of a pipeline pressure plugging device, as shown in FIG. Figure 1 As shown, it includes a propulsion device, a fixing device, a sliding support 4, a support rod 5 and a plugger 7, wherein the fixing devices are relatively arranged on both sides of the leakage point of the tube body 9, the support rod 5 is fixed between the fixing devices and is located directly above the leakage point of the tube body 9, the sliding support 4 is slidably connected to the support rod 5, the propulsion device includes a mobile propulsion group and a leak-proof propulsion group, the mobile propulsion group is fixedly connected to the fixing device and the propulsion end of the mobile propulsion group is in contact with the sliding support 4, the leak-proof propulsion group is connected to the sliding support 4 and the propulsion end of the leak-proof propulsion group is connected with the plugger 7.

[0024] When a leak occurs in a pressure vessel or pipeline, the fixing devices are fixed on both sides of the leak, and the sliding support 4, the support rod 5 and the plugging device 7 are set above the leak through the fixing devices. The moving propulsion group is started, and the propulsion end of the moving propulsion group pushes forward to move the sliding support 4 along the length direction of the support rod 5 to just above the leak. The plugging propulsion group is started, and the propulsion end of the plugging propulsion group pushes forward to move the plugging device 7 toward the leak and fit the plugging device 7 tightly on the leaking part of the pipeline to establish a new sealing structure. When using this device to plug leaks, the personnel always keep a distance from the leak point during operation, thereby achieving the purpose of safe and rapid leak plugging.

[0025] As an optional embodiment, a fixed plug-in is further included. The sliding support 4 is provided with a through hole, and the occluder 7 is provided with a fixing hole 8. The fixed plug-in can pass through the through hole of the sliding support 4 and be fixedly connected to the fixing hole 8.

[0026] In this embodiment, in the process of the plugging device 7 being moved toward the leaking part by the forward push of the propulsion end of the plugging propulsion group and tightly fitting the plugger 7 to the leaking part of the pipeline, in order to ensure that the plugger 7 is accurately aligned with the leaking part of the pipeline and prevent the leaked material from impacting the plugger 7 and causing the plugger 7 to shift, since the position of the sliding support 4 is fixed, a fixed plug-in can be passed through the through hole of the sliding support 4 and fixedly connected to the fixed hole 8 to limit the position of the plugger 7.

[0027] Furthermore, the fixing plug-in can be a long bolt or a stud, and the fixing hole 8 is a threaded hole. The long bolt passes through the through hole of the sliding support 4 and is threadedly connected to the fixing hole 8 to achieve the fixing purpose.

[0028] As an optional implementation, the through hole and the fixing hole 8 are arranged around the propulsion end of the leak-proof propulsion group.

[0029] See also Figure 1 The sliding support 4 and the occluder 7 are square, and the through holes and the fixing holes 8 are respectively located at the four corners of the sliding support 4 and the occluder 7.

[0030] As an optional embodiment, the propulsion device includes a hydraulic oil pump 1 and a jack 2. The jack 2 includes multiple groups, and the multiple groups of jacks 2 are respectively connected to the fixing device and the sliding support 4.

[0031] In this embodiment, see Figure 1 The propulsion device consists of a hydraulic oil pump 1 and a jack 2. Pressing the hydraulic oil pump 1 causes the jack 2 to lift up. One of the jacks 2 is fixedly connected to the fixed seat 3, and the output end of the jack 2 faces the sliding support 4 and abuts against the sliding support 4. The other jack 2 is fixedly connected to the sliding support 4 and the output end of the jack 2 is movably connected to the plugger 7.

[0032] Furthermore, the output end of the jack 2 facing the sliding support 4 can be connected to a strong magnetic material, and the sliding support 4 can be made of metal material. The strong magnetic material makes the output end of the jack 2 abut against the sliding support 4. The sliding support 4 is controlled by the magnetic force.

[0033] Furthermore, the side wall of the output end of the jack 2 is connected to a strong magnetic material to prevent the jack 2 from applying force to destroy the strong magnetism.

[0034] As another embodiment, both fixing seats 3 can be connected to the jacks 2. Since the jacks 2 are arranged relative to each other, the sliding support 4 is connected to the jacks 2 on both sides. Controlling the output of the two jacks 2 can control the moving position of the sliding support 4.

[0035] Furthermore, the output end of the jack 2 connected to the occluder 7 is connected to the occluder 7 through a threaded connection.

[0036] As an optional embodiment, the fixing device includes a fixing seat 3 and a fixing frame 6 . The fixing seat 3 is in close contact with the outer surface of the tube body 9 , and the fixing seat 3 is fixed to the tube body 9 via the fixing frame 6 .

[0037] As an optional embodiment, the contact surface between the fixing seat 3 and the tube body 9 is arc-shaped to ensure that the fixing seat 3 and the tube body 9 fit tightly.

[0038] As an optional embodiment, the fixing frame 6 is a clamp or a flexible belt.

[0039] As an optional embodiment, the contact surface between the occluder 7 and the tubular body 9 is arc-shaped to ensure that the occluder 7 and the tubular body 9 fit tightly.

[0040] Better yet, a corrosion-resistant rubber layer can be added to the plugger 7 toward the leaking area.

[0041] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A pipeline pressure plugging device, characterized by: It comprises a propulsion device, a fixing device, a sliding support (4), a support rod (5) and an occluder (7), wherein: The fixing devices are relatively arranged on both sides of the leakage point of the tube body (9); the support rod (5) is fixed between the fixing devices and is located directly above the leakage point of the tube body (9); the sliding support (4) is slidably connected to the support rod (5); the propulsion device includes a moving propulsion group and a leak-blocking propulsion group; the moving propulsion group is fixedly connected to the fixing devices and the propulsion end of the moving propulsion group abuts against the sliding support (4); the leak-blocking propulsion group is connected to the sliding support (4) and the propulsion end of the leak-blocking propulsion group is connected to the plug (7).

2. The pipeline pressure plugging device according to claim 1, characterized in that: It also includes a fixed plug-in, the sliding support (4) is provided with a through hole, the occluder (7) is provided with a fixed hole (8), and the fixed plug-in can pass through the through hole of the sliding support (4) and be fixedly connected to the fixed hole (8).

3. The pipeline pressure plugging device according to claim 2, characterized in that: The through hole and the fixing hole (8) are arranged around the propulsion end of the leak-proof propulsion group.

4. The pipeline pressure plugging device according to claim 1, characterized in that: The propulsion device comprises a hydraulic oil pump (1) and a jack (2). The jack (2) comprises multiple groups, and the multiple groups of jacks (2) are respectively connected to the fixing device and the sliding support (4).

5. The pipeline pressure plugging device according to claim 1, characterized in that: The fixing device comprises a fixing seat (3) and a fixing frame (6); the fixing seat (3) is in close contact with the outer surface of the tube body (9); and the fixing seat (3) is fixed to the tube body (9) via the fixing frame (6).

6. The pipeline pressure plugging device according to claim 5, characterized in that: The contact surface between the fixing seat (3) and the tube body (9) is arc-shaped.

7. The pipeline pressure plugging device according to claim 5, characterized in that: The fixing frame (6) is a clamp or a flexible belt.

8. The pipeline pressure plugging device according to claim 1, characterized in that: The contact surface between the occluder (7) and the tube body (9) is arc-shaped.

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