CN220581994U

CN220581994U - Pipeline plugging device

Info

Publication number: CN220581994U
Application number: CN202322260519.0U
Authority: CN
Inventors: 肖号军; 苏大; 罗丽; 刘建成; 谢守斌; 易伟; 李伟; 张�浩; 李传法; 黄建; 荣丽梅; 丁小朝; 余丽梅; 侯君朋; 卿军; 谢瑞杰
Original assignee: Sinohydro Bureau 7 Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-12
Anticipated expiration: 2033-08-22

Abstract

A pipeline plugging device comprises a locking device, a rubber cushion and an extrusion device; the locking device comprises a first pipe hoop, a second pipe hoop and a pipe hoop locking device, wherein the first pipe hoop is locked in the middle of a pipeline at a pipeline leakage point, and the second pipe hoop is provided with two locking devices which are respectively locked at two sides of the pipeline leakage point; the rubber leather pad is blocked at the position of a pipeline water leakage point, and the rubber leather pad is locked on the pipeline by the first pipe hoop; the extrusion device comprises a bolt hole column, bolts, an extrusion arc plate, an extrusion column and a connecting plate, wherein the extrusion arc plate is attached to the rubber leather pad, the extrusion column is fixedly arranged at the center of the outer side of the extrusion arc plate, the connecting plate is arranged at the top of the extrusion column, the bolt hole column is fixed on the second pipe hoop, and the bolts penetrate through the connecting plate and are connected in the corresponding bolt hole columns in a threaded manner; the rubber leather pad is connected with the battery. The plugging device is suitable for various medium-low pressure pipelines of a hydropower station, and can timely plug leakage points in the operation process, ensure that leakage is not repeated for a long time and achieve long-time effective plugging.

Description

Pipeline plugging device

Technical field:

the utility model belongs to the technical field of hydraulic and hydroelectric engineering construction, in particular relates to the technical field of leakage point plugging of various medium-low pressure pipelines of hydropower stations, and specifically relates to a pipeline plugging device.

The background technology is as follows:

in the construction operation process of the hydropower station, various medium-low pressure pipelines exist, the conveying medium is mostly gas and liquid, because the construction scale of the hydropower station is large, the conveying distance is long, pipeline installation is combined in various modes such as welding and fusion welding, and in general cases, after the pipeline fusion welding or the welding is finished, the pressurizing test can be carried out, so that leakage points exist at the connecting positions, and medium leakage is avoided. However, after the pipeline is put into operation, due to other factors such as environmental factors, medium corrosion or short pressing time, leakage points are unavoidable, if the pipeline is stopped to treat the leakage points, large economic loss is caused, the maintenance cost is greatly increased, and the safety of a power station can be threatened in serious cases.

The utility model comprises the following steps:

the utility model provides a pipeline plugging device according to the defects of the prior art, which can effectively solve the problem of mesoporous leakage of medium and low pressure medium in pipeline transportation.

The utility model adopts the following technical scheme to realize the aim:

the utility model provides a pipeline plugging device, which comprises a locking device, plugging materials and an extrusion device; the locking device comprises a first pipe hoop, a second pipe hoop and a pipe hoop locking device, wherein the first pipe hoop is locked in the middle of a pipeline at a pipeline leakage point, two second pipe hoops are respectively locked at two sides of the pipeline leakage point, and the first pipe hoop and the second pipe hoop are respectively locked through the pipe hoop locking device; the plugging material is a rubber gasket, the rubber gasket is plugged at the position of a pipeline water leakage point, and the rubber gasket is locked on the pipeline by the first pipe hoop; the extrusion device comprises a bolt hole column, bolts, an extrusion arc plate, an extrusion column and a connecting plate, wherein the extrusion arc plate is arc-shaped, the extrusion arc plate is attached to the rubber leather pad, the extrusion column is fixedly arranged at the center of the outer side of the extrusion arc plate, the connecting plate is arranged at the top of the extrusion column, the bolt hole columns are respectively and correspondingly fixed on the two second pipe hoops, and the bolts penetrate through the connecting plate and are connected in the corresponding bolt hole columns in a threaded manner; the rubber leather pad is connected with the battery.

The first pipe hoop, the second pipe hoop and the pipe hoop locking device are all made of stainless steel materials.

The rubber leather pad is internally provided with a soft rubber heating plate; the rubber heating plate is connected with the battery through a battery wire.

The highest heating temperature of the rubber heating plate is 230 ℃.

The battery adopts a high-power lithium battery, the power of the lithium battery is the same as that of the rubber heating plate, and the lithium battery and the rubber heating plate are matched for use.

The radian of the extrusion arc plate is the same as the radian of the outer diameter of the pipeline.

The bolt and the bolt hole in the bolt hole post mutually support, the bolt passes the preformed hole of connecting plate and fixes the bolt hole post threaded connection on the second ferrule.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model utilizes the rubber heating plate to make the rubber leather pad into a thermal plastic state, thereby realizing the full contact between the rubber leather pad and the periphery of the pipeline leakage point, and the trace embedding of the rubber leather pad into the pipeline leakage point, and achieving the purpose of completely plugging the pipeline leakage point.

2. The utility model has no need of using larger force in the plugging process, and is very useful for the pipeline materials with softer textures.

3. After the plugging is completed, the pipeline can run for a long time due to the plugging of the tight thread joint, and the pipeline cannot leak again.

4. The radian of the extrusion arc plate in the extrusion device is the same as that of the outer diameter of the pipeline, so that the extrusion arc plate is more closely attached to the leakage point and the periphery of the pipeline in the compression process, and the plugging effect is further ensured.

5. After the plugging is finished, the extrusion device can be disassembled for repeated use, and can be used for pipelines with limited space, and meanwhile, after the extrusion device is disassembled, the influence on the aesthetic degree of the pipelines is reduced.

6. The utility model can effectively solve the problems that the pipeline is easy to be damaged or difficult to be completely blocked by the conventional plugging method for the pipeline leakage point with thinner wall thickness, lower material hardness or hard rubber material.

7. The utility model can effectively solve the problem that the conventional plugging method is difficult to work when the pipeline leakage part is in an irregular shape.

8. The utility model is suitable for various pipelines such as a low-pressure stainless steel pipeline, a pvc plastic pipeline, an HDPE water supply and drainage pipeline and the like in a hydropower station, leak points appear in the running process, timely plugging is carried out, long-time no-leakage is ensured, and long-time effective plugging is achieved.

9. The utility model has simple operation, low cost, high safety and good practical value.

Description of the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is an explanatory view of a heating apparatus according to the present utility model.

Reference numerals in the drawings:

1-pipeline, 2-leak source, 3-rubber leather pad, 4-extrusion arc board, 5-ferrule locking device, 6-bolt, 7-extrusion post, 8-connecting plate, 9-first ferrule, 10-second ferrule, 11-battery line, 12-rubber heating board, 13-bolt hole post.

The specific embodiment is as follows:

the present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.

Referring to fig. 1-4, the utility model provides a pipeline plugging device, which comprises a locking device, a plugging material and an extrusion device. The locking device comprises a first pipe hoop 9, a second pipe hoop 10 and a pipe hoop locking device 5, wherein the first pipe hoop 9, the second pipe hoop 10 and the pipe hoop locking device 5 are made of stainless steel, the first pipe hoop 9 is locked in the middle of a pipeline at a pipeline leakage point, the second pipe hoop 10 is provided with two locking devices, the locking devices are respectively locked on two sides of the pipeline leakage point, and the first pipe hoop 9 and the second pipe hoop 10 are respectively locked through the pipe hoop locking device 5. The plugging material adopts the rubber leather pad 3, the rubber leather pad 3 contains a soft rubber heating plate 12, the highest heating temperature of the rubber heating plate 12 is 230 ℃, and the rubber leather pad 3 can be slowly deformed into a plastic soft state under the condition that the rubber heating plate 12 is electrified. The rubber leather pad 3 is blocked at the position of a pipeline water leakage point, the rubber leather pad 3 is locked on the pipeline by the first pipe hoop 9, and the rubber leather pad 3 is tightly fixed at the leakage position by the first pipe hoop 9 with wider width, so that the leakage point is free from medium leakage or only has trace medium leakage in a short time. The extrusion device comprises a bolt hole column 13, a bolt 6, an extrusion arc plate 4, an extrusion column 7 and a connecting plate 8, wherein the extrusion arc plate 4 is arc-shaped, the radian of the extrusion arc plate 4 is identical to the radian of the outer diameter of a pipeline, the extrusion arc plate 4 is attached to the rubber cushion 3, the extrusion column 7 is welded at the center of the outer side of the extrusion arc plate 4, and the connecting plate 8 is arranged at the top of the extrusion column 7 and used for connecting the bolt 6 with the extrusion column 7. Two bolt hole columns 13 are correspondingly welded on two second pipe hoops 10 respectively, the second pipe hoops 10 with wider widths are adopted, two sides of a leakage point are respectively limited, the outer wall of each second pipe hoop 10 is provided with a nut hole column 13 in a welding mode, a stress point is provided by the nut hole columns 13 on the second pipe hoops 10 on two sides of the leakage point, a bolt 6 is mutually matched with a bolt hole in the bolt hole column 13, and the bolt 6 penetrates through a reserved hole of a connecting plate 8 and is in threaded connection with the corresponding bolt hole column 13 fixed on the second pipe hoop 10. The rubber leather pad 3 contained in the rubber leather pad 3 is connected with the battery 14 through the battery wire 11, the battery 14 is a high-power lithium battery, and the lithium battery and the rubber heating plate 12 have the same power and are matched with each other for use.

When the pipeline plugging device is used, two second pipe hoops 10 are tightly locked at two sides of a pipeline water leakage point, and a rubber leather pad 3 containing a rubber heating plate 12 is plugged at the water leakage point; the rubber leather pad 3 is tightly locked by adopting the first pipe hoop 9, the extrusion arc plate 4 welded on the extrusion column 7 is attached to the rubber leather pad 3, the connecting plate 8 is arranged at the top of the extrusion column 7, the bolt 6 passes through a reserved hole of the connecting plate 8 to be matched with the bolt hole column 13 welded on the second pipe hoop 10, and the lithium battery is connected with the rubber heating plate 12. After the pipeline plugging device is completely assembled, a lithium battery switch is turned on, the rubber heating plate 12 is electrified and heated, the rubber leather pad 3 can be gradually and slowly deformed and softened to be in a plastic soft state under the high-temperature heating of the rubber heating plate 12, then in the gradual softening process of rubber, the rubber leather pad 3 is continuously and forcefully extruded by the extruding device under the gradual extrusion action of the connecting plate 8 through screwing the bolts 6 which are in threaded connection with the nut hole columns 13 of the second pipe hoops 10 on the two sides of the leakage point, so that the rubber leather pad 3 is continuously and forcefully attached to the pipeline leakage point, the rubber is fully contacted with the irregular shape around the pipeline leakage point, and the slightly softened rubber leather pad 3 is extruded into the leakage point to be completely overlapped with the leakage point, so that the purpose of plugging the pipeline leakage point is achieved. After the rubber gasket 3 is extruded to half thickness, the screw bolt 6 is stopped to be screwed, the power supply of the lithium battery is cut off, and the first pipe hoop 9 is locked. After the rubber cushion 3 is completely cooled and hardened, namely after the rubber cushion is completely blocked, the extrusion device is removed.

Claims

1. A pipeline plugging device is characterized in that: the device comprises a locking device, a plugging material and an extrusion device; the locking device comprises a first pipe hoop (9), a second pipe hoop (10) and a pipe hoop locking device (5), wherein the first pipe hoop (9) is locked in the middle of a pipeline at a pipeline leakage point, the second pipe hoops (10) are respectively locked at two sides of the pipeline leakage point, and the first pipe hoop (9) and the second pipe hoop (10) are respectively locked through the pipe hoop locking device (5); the plugging material is a rubber leather pad (3), the rubber leather pad (3) is plugged at the position of a pipeline water leakage point, and the rubber leather pad (3) is locked on the pipeline by a first pipe hoop (9); the extrusion device comprises bolt hole columns (13), bolts (6), extrusion arc plates (4), extrusion columns (7) and connecting plates (8), wherein the extrusion arc plates (4) are arc-shaped, the extrusion arc plates (4) are attached to rubber leather gaskets (3), the extrusion columns (7) are fixedly arranged at the centers of the outer sides of the extrusion arc plates (4), the connecting plates (8) are arranged at the tops of the extrusion columns (7), the bolt hole columns (13) are respectively and correspondingly fixed on two second pipe hoops (10), and the bolts (6) penetrate through the connecting plates (8) to be connected in the corresponding bolt hole columns (13) in a threaded manner; the rubber cushion (3) is connected with a battery (14).

2. The line plugging device of claim 1, wherein: the first pipe hoop (9), the second pipe hoop (10) and the pipe hoop locking device (5) are made of stainless steel.

3. The line plugging device of claim 1, wherein: the rubber leather pad (3) is internally provided with a soft rubber heating plate (12); the rubber heating plate (12) is connected with a battery (14) through a battery wire (11).

4. A pipeline plugging device according to claim 3 wherein: the maximum heating temperature of the rubber heating plate (12) is 230 ℃.

5. A pipeline plugging device according to claim 3 wherein: the battery (14) is a high-power lithium battery, and the lithium battery and the rubber heating plate (12) have the same power and are matched with each other for use.

6. The line plugging device of claim 1, wherein: the radian of the extrusion arc plate (4) is the same as the radian of the outer diameter of the pipeline.

7. The line plugging device of claim 1, wherein: the bolt (6) is matched with a bolt hole in the bolt hole column (13), and the bolt (6) penetrates through a reserved hole of the connecting plate (8) to be in threaded connection with the bolt hole column (13) fixed on the second pipe hoop (10).