Pressure pipeline leaking stoppage device

Abstract

The utility model provides an under-pressure pipeline leaking stoppage device, and relates to the field of pipeline leaking stoppage. The under-pressure pipeline leaking stoppage device comprises a bearing frame, the left end of the bearing frame is fixedly connected with a guide rod, the right end of the bearing frame is rotationally connected with a two-way lead screw, and the outer surface of the two-way lead screw is located in the bearing frame and rotationally connected with a movable frame. When the under-pressure pipeline leaking stoppage device is used, the positions of an extrusion plate and a high-temperature-resistant rubber mat are adjusted according to the liquid leakage position, at the moment, an external electric wrench is used for driving a two-way lead screw to rotate reversely, a pipeline is limited between a rotating frame A and a rotating frame B, and then a hydraulic rod drives the rotating frame A and the rotating frame B to rotate oppositely through a pushing frame; and the rotating frame A and the rotating frame B drive the extrusion plate and the high-temperature-resistant rubber mat to conduct leakage stopping on the liquid leakage position till the extrusion plate drives the high-temperature-resistant rubber mat to be tightly attached to the outer wall of the pipeline, the adjusting rod is rotated to drive the limiting frame to move, the limiting frame drives the contact rod to conduct secondary limiting on the extrusion plate and the high-temperature-resistant rubber mat, and the pipeline leakage stopping device has the advantage of being suitable for pipelines of various sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline leak stoppage technical field, concretely is a kind of leak stoppage device for pipeline under pressure. BACKGROUND

[0002] In the use of heat supply, water supply pressure pipeline in waste heat power generation project, the maintenance and use of pipeline are part of routine work, and in the process of use, "leakage" "small accident" is often encountered, so once this phenomenon occurs, the best way is to replace the pipeline, but the pressure and temperature of boiler and pipeline cannot be completely stopped at a moment, and the pipeline can be replaced only after cooling and pressure reduction, which usually takes 2-3 days, and in the process of boiler and pipeline pressure reduction and shutdown or when the pipeline cannot be shut down in time in a short period, the leakage point is easy to spread, and timely leak stoppage under pressure is needed.

[0003] The existing leak stoppage device for pipeline under pressure is commonly used with two semicircular arc plates fixed at both ends by fasteners, and such mechanism is generally used in matching, so that the leak stoppage device needs to be replaced for different sizes of pipelines, reducing its practicability, and the leak stoppage effect for pipeline is poor, and the existing leak stoppage device for pipeline under pressure cannot be used twice after use, causing resource waste. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a leak stoppage device for pipeline under pressure, which solves the problems mentioned in the background.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a leak stoppage device for pipeline under pressure, including bearing frame, the left end of bearing frame is fixedly connected with guide rod, the right end of bearing frame is rotatably connected with bidirectional screw rod, the outer surface of bidirectional screw rod is rotatably connected with moving frame in the inside of bearing frame, the inside of moving frame on the upper end of bearing frame is rotatably connected with rotating frame A, the inside of moving frame on the lower end of bearing frame is rotatably connected with rotating frame B, the rear end of rotating frame A and rotating frame B is fixedly connected with push frame, the right side of moving frame in the inside of rotating frame A and the left side of moving frame in the inside of rotating frame B are fixedly connected with connecting frame, connecting frame is fixedly connected with hydraulic rod in the inside, the end of hydraulic rod close to push frame is fixedly connected with contact frame, contact frame and the inside of push frame form sliding connection, extrusion plate is rotatably connected between the front end of rotating frame A and rotating frame B, high-temperature-resistant rubber pad is fixedly connected on the inner wall of extrusion plate, limit frame is slidably connected in the inside of rotating frame A and rotating frame B close to bearing frame, contact rod is rotatably connected on the end of limit frame close to extrusion plate, adjusting rod is rotatably connected in the inside of limit frame away from contact rod, limit plate is fixedly connected in the inside of limit frame on the side wall of rotating frame A and rotating frame B.

[0006] Preferably, the moving frame is in sliding connection with the inner wall of the bearing frame, and the left end of the moving frame is in sliding connection with the outer wall of the guide rod.

[0007] Preferably, the front end of the rotating frame B is provided with a groove engaged with the front end of the rotating frame A, and the inside of the pushing frame is provided with a pushing groove.

[0008] Preferably, the hydraulic rods are connected through hydraulic oil pipes, and the contact frame is arranged in an "L" shape.

[0009] Preferably, the extrusion plate is composed of a flexible metal plate, the extrusion plate is arranged in a "convex" shape on the top of the high-temperature-resistant rubber pad, and the extrusion plate is arranged in a "concave" shape on the bottom of the high-temperature-resistant rubber pad.

[0010] Preferably, the limiting frame is arranged in a "7" shape, the inside of the rotating frame A and the rotating frame B is provided with a sliding groove in sliding connection with the limiting frame, the outer wall of the adjusting rod is provided with a screw thread, the side wall of the rotating frame A and the rotating frame B is provided with a fixed tube engaged with the outer wall of the adjusting rod, and the limiting plate penetrates the inside of the limiting frame.

[0011] The utility model provides a kind of with pressure pipeline leak stoppage device.It has the following beneficial effects:

[0012] The with pressure pipeline leak stoppage device is adjusted when using the position of extrusion plate and high-temperature-resistant rubber pad according to the position of leakage, at this time, two-way screw rod is driven by external electric wrench to reverse rotation, pipeline is limited between rotating frame A and rotating frame B, then rotating frame A and rotating frame B are driven to rotate by hydraulic rod through pushing frame, rotating frame A and rotating frame B drive extrusion plate and high-temperature-resistant rubber pad to carry out leak stoppage to the position of leakage, until extrusion plate drives high-temperature-resistant rubber pad to adhere to the outer wall of pipeline, rotating adjusting rod drives limiting frame to move, limiting frame drives contact rod to carry out secondary limiting to extrusion plate and high-temperature-resistant rubber pad, solve the problem that existing mechanism generally is matched use to cause to need to replace leak stoppage device for different size pipeline, cause practicality greatly reduces, with the advantage that multiple sizes pipeline are applicable.

[0013] The with pressure pipeline leak stoppage device is driven by external electric wrench to rotate two-way screw rod when using, two-way screw rod drives moving frame to move towards each other, moving frame drives rotating frame A and rotating frame B to move respectively, while hydraulic rod drives pushing frame to rotate, pushing frame drives rotating frame A and rotating frame B to rotate simultaneously, until pipeline enters between rotating frame A and rotating frame B, solve the problem that existing with pressure pipeline leak stoppage device generally cannot be used twice after using, cause resource waste, with the advantage of repeated use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model structure is a right triaxial plot;

[0015] Figure 2The hydraulic rod schematic view is used for the utility model.

[0016] Figure 3 The extrusion plate schematic view is used for the utility model.

[0017] Figure 4 The moving frame schematic view is used for the utility model.

[0018] 1, bearing frame; 2, guide rod; 3, bidirectional screw; 4, moving frame; 5, rotating frame A; 6, rotating frame B; 7, push frame; 8, connecting frame; 9, hydraulic rod; 10, contact frame; 11, extrusion plate; 12, high-temperature-resistant rubber pad; 13, limiting frame; 14, contact rod; 15, adjusting rod; 16, limiting plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The utility model embodiment provides a kind of with pressure pipeline leak stoppage device, such as Figures 1-4As shown, including the carrier 1, the carrier 1 left end fixedly connected with the guide rod 2, the carrier 1 right end rotatably connected with the bidirectional screw rod 3, the bidirectional screw rod 3 outer surface located in the carrier 1 inside rotatably connected with the moving frame 4, the moving frame 4 and the carrier 1 inner wall form sliding connection, the moving frame 4 left end and the guide rod 2 outer wall form sliding connection, located in the carrier 1 upper end moving frame 4 inside rotatably connected with the rotating frame A 5, located in the carrier 1 lower end moving frame 4 inside rotatably connected with the rotating frame B 6, the rotating frame B 6 front end is provided with the recess engaged with the rotating frame A 5 front end, the rotating frame A 5 and the rotating frame B 6 rear end are all fixedly connected with the pusher 7, the pusher 7 is provided with the push groove inside, the moving frame 4 right side located in the rotating frame A 5 inside and the moving frame 4 left side located in the rotating frame B 6 inside are all fixedly connected with the connecting frame 8, the connecting frame 8 is fixedly connected with the hydraulic rod 9 inside, the bidirectional screw rod 3 is driven to rotate by means of external electric wrench, the bidirectional screw rod 3 drives the moving frame 4 to move towards each other, the moving frame 4 drives the rotating frame A 5 and the rotating frame B 6 to move respectively, at the same time, the hydraulic rod 9 drives the pusher 7 to rotate, the pusher 7 drives the rotating frame A 5 and the rotating frame B 6 to rotate simultaneously, until the pipeline enters between the rotating frame A 5 and the rotating frame B 6, the hydraulic rod 9 is fixedly connected with the contact frame 10 close to one end of the pusher 7, the hydraulic rod 9 is connected through the hydraulic oil pipe, the contact frame 10 is provided in "L" type, the contact frame 10 and the pusher 7 inside form sliding connection, the rotating frame A 5 and the rotating frame B 6 front end are rotatably connected with the extrusion plate 11, the extrusion plate 11 inner wall is fixedly connected with the high temperature resistant rubber pad 12, the extrusion plate 11 is composed of flexible metal plate, the extrusion plate 11 and the high temperature resistant rubber pad 12 top are provided in "convex" shape, the extrusion plate 11 and the high temperature resistant rubber pad 12 bottom are provided in "concave" shape, the shape of the extrusion plate 11 and the high temperature resistant rubber pad 12 is set to facilitate to fit various size pipelines, the rotating frame A 5 and the rotating frame B 6 are slidably connected with the limiting frame 13 inside close to one end of the carrier 1, the limiting frame 13 is provided in "7" type, the rotating frame A 5 and the rotating frame B 6 are provided with the sliding slot inside engaged with the limiting frame 13 to form sliding connection, the limiting frame 13 is rotatably connected with the contact rod 14 close to one end of the extrusion plate 11, the limiting frame 13 is rotatably connected with the adjusting rod 15 inside away from one end of the contact rod 14, the adjusting rod 15 outer wall is provided with screw threads, the rotating frame A 5 and the rotating frame B 6 side wall are provided with the fixed tube engaged with the adjusting rod 15 outer wall, the rotating frame A 5 and the rotating frame B 6 side wall located in the limiting frame 13 inside are all fixedly connected with the limiting plate 16, the limiting plate 16 penetrates through the limiting frame 13 inside, the position of the extrusion plate 11 and the high temperature resistant rubber pad 12 is adjusted according to the leakage position, at this time, the bidirectional screw rod 3 is driven to rotate reversely by means of external electric wrench, the pipeline is limited between the rotating frame A 5 and the rotating frame B 6, then the rotating frame A 5 and the rotating frame B 6 are driven to rotate towards each other by the pusher 7 driven by the hydraulic rod 9, the extrusion plate 11 and the high temperature resistant rubber pad 12 are driven to leak by the rotating frame A 5 and the rotating frame B 6, until the extrusion plate 11 drives the high temperature resistant rubber pad 12 to tightly adhere to the pipeline outer wall, the limiting frame 13 is driven to move by rotating the adjusting rod 15,The contact rod 14 is driven by the limiting frame 13 to position the extrusion plate 11 and the high-temperature-resistant rubber pad 12 for the second time.

[0021] Working principle:

[0022] When the pipe leakage plugging device is used, the bidirectional screw rod 3 is driven to rotate by an external electric wrench, the moving frame 4 is moved towards each other by the bidirectional screw rod 3, the rotating frame A 5 and the rotating frame B 6 are moved by the moving frame 4 respectively, the pushing frame 7 is driven to rotate by the hydraulic rod 9, the rotating frame A 5 and the rotating frame B 6 are driven to rotate by the pushing frame 7 at the same time, until the pipe enters between the rotating frame A 5 and the rotating frame B 6, the position of the extrusion plate 11 and the high-temperature-resistant rubber pad 12 is adjusted according to the leakage position, at this time, the bidirectional screw rod 3 is driven to rotate reversely by the external electric wrench, the pipe is limited between the rotating frame A 5 and the rotating frame B 6, then the rotating frame A 5 and the rotating frame B 6 are driven to rotate towards each other by the pushing frame 7 through the hydraulic rod 9, the extrusion plate 11 and the high-temperature-resistant rubber pad 12 are driven to plug the leakage position by the rotating frame A 5 and the rotating frame B 6, until the extrusion plate 11 drives the high-temperature-resistant rubber pad 12 to tightly adhere to the outer wall of the pipe, the limiting frame 13 is driven to move by the rotating adjusting rod 15, the contact rod 14 is driven to position the extrusion plate 11 and the high-temperature-resistant rubber pad 12 for the second time by the limiting frame 13.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressurized pipeline plugging device comprising a carrier frame (1), characterized in that: The left end of the bearing frame (1) is fixedly connected with a guide rod (2), the right end of the bearing frame (1) is rotatably connected with a bidirectional screw rod (3), the outer surface of the bidirectional screw rod (3) is rotatably connected with a moving frame (4) inside the bearing frame (1), the moving frame (4) at the upper end of the bearing frame (1) is rotatably connected with a rotating frame A (5) inside, the moving frame (4) at the lower end of the bearing frame (1) is rotatably connected with a rotating frame B (6) inside, the rear end of the rotating frame A (5) and the rotating frame B (6) are fixedly connected with a pushing frame (7), the right side of the moving frame (4) inside the rotating frame A (5) and the left side of the moving frame (4) inside the rotating frame B (6) are fixedly connected with a connecting frame (8), the connecting frame (8) is fixedly connected with a hydraulic rod (9) inside, the end of the hydraulic rod (9) close to the pushing frame (7) is fixedly connected with a contact frame (10), the contact frame (10) and the inside of the pushing frame (7) form a sliding connection, the front end between the rotating frame A (5) and the rotating frame B (6) is rotatably connected with an extrusion plate (11), the inner wall of the extrusion plate (11) is fixedly connected with a high-temperature-resistant rubber pad (12), the inside of the end of the rotating frame A (5) and the rotating frame B (6) close to the bearing frame (1) is slidably connected with a limiting frame (13), the end of the limiting frame (13) close to the extrusion plate (11) is rotatably connected with a contact rod (14), the end of the limiting frame (13) away from the contact rod (14) is rotatably connected with an adjusting rod (15), the side wall of the rotating frame A (5) and the rotating frame B (6) inside the limiting frame (13) are fixedly connected with a limiting plate (16).

2. A pressurized pipeline plugging device according to claim 1, characterized in that: The moving frame (4) and the inner wall of the bearing frame (1) form a sliding connection, the left end of the moving frame (4) and the outer wall of the guide rod (2) form a sliding connection.

3. A pressurized pipeline plugging device according to claim 1, characterized in that: The front end of the rotating frame B (6) is provided with a groove engaged with the front end of the rotating frame A (5), and the inside of the pushing frame (7) is provided with a pushing groove.

4. A pressurized pipeline plugging device according to claim 1, characterized in that: The hydraulic rods (9) are connected through hydraulic oil pipes, and the contact frames (10) are arranged in an "L" shape.

5. A pressurized pipeline plugging device according to claim 1, wherein: The extrusion plate (11) is composed of a flexible metal plate, the extrusion plate (11) and the high-temperature-resistant rubber pad (12) are arranged in a "convex" shape at the top and a "concave" shape at the bottom.

6. A pressurized pipeline plugging device according to claim 1, wherein: The limiting frame (13) is arranged in a "7" shape, the rotating frame A (5) and the rotating frame B (6) are provided with a sliding groove engaged with the limiting frame (13), the outer wall of the adjusting rod (15) is provided with a thread, the side wall of the rotating frame A (5) and the rotating frame B (6) is provided with a fixed tube engaged with the outer wall of the adjusting rod (15), and the limiting plate (16) penetrates the inside of the limiting frame (13).

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