CN215215309U - Pipeline plugging device - Google Patents
Pipeline plugging device Download PDFInfo
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- CN215215309U CN215215309U CN202121485063.2U CN202121485063U CN215215309U CN 215215309 U CN215215309 U CN 215215309U CN 202121485063 U CN202121485063 U CN 202121485063U CN 215215309 U CN215215309 U CN 215215309U
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- pipeline
- plugging
- bag
- support screw
- positioning support
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Abstract
The utility model discloses a pipeline plugging device, which belongs to the pipeline field and comprises a plugging bag (1) and a plugging bag fixing device (2), wherein the plugging bag (1) is arranged in a pipeline (3) to be plugged, and the plugging bag (1) is connected with a gas/liquid input pipe (4); the plugging bag fixing device (2) comprises a positioning support screw rod (21), a fixing end cover (22) and a locking nut (23), the fixing end cover (22) is fixed at the pipe orifice of the pipeline (3) to be plugged, and one end of the positioning support screw rod (21) movably penetrates through the fixing end cover (22) and extends inwards along the pipe orifice to be fixedly connected with the plugging bag (1); can be fixed shutoff bag (1) from the pipeline outside through shutoff bag fixing device (2), location support screw (21) conveniently adjust the degree of depth of shutoff bag (1) in the pipeline and fixed through lock nut (23), adjust the specification of shutoff bag (1), realize the shutoff to different diameter pipelines.
Description
Technical Field
The utility model relates to a pipeline field especially relates to a pipeline plugging device.
Background
In the chemical production and municipal water supply and drainage processes, flanges and valves are not additionally arranged at the positions of the outlets of pipelines or the upstream of an accident fracture because of the use environment and process characteristics on material discharge ports and pipeline networks, the upstream materials are generally discharged or conveyed to be cut off because of the maintenance or emergency treatment of the downstream discharge pipelines or the pipeline networks in the use process, and the upstream materials cannot be cut off and conveyed because of the non-installation of a cutting device at the pipeline opening or the upstream, so that sand bag plugging or wood wedge plugging is usually adopted, and the good plugging effect is difficult to realize because of the pipe diameter difference of partial construction pipelines and the medium with constant flow rate and pressure in the pipelines, thereby influencing the later-stage rush repair and the construction progress.
In prior art CN211716033U, a pipeline plugging device is disclosed, a sealing ring is fixed on the periphery of a pipeline plugging air bag, when the pipeline plugging air bag is inflated and expanded, the sealing ring gradually forms an abutment with the inner wall of the pipeline towards the outer side of the inner wall of the pipeline, in addition, a groove is formed on the surface of the outer side of the sealing ring, in the process of abutting and extruding the sealing ring and the inner wall of the pipeline, air in the groove is gradually discharged to form a negative pressure, so that the external air pressure of the groove assists the pipeline plugging air bag to extrude and cling the sealing ring to the inner wall of the pipeline, thereby achieving the purpose of water and seepage prevention of the pipeline, and improving the plugging effect of the pipeline plugging air bag on the pipeline.
In prior art CN213065098U, a pipeline plugging air bag is disclosed, wherein two arc positioning plates are used to generate frictional resistance when contacting with the top inner wall and the bottom inner wall of a pipeline respectively, so as to firmly fix an air bag main body in the pipeline, thereby avoiding the air bag main body from deviating or being flushed out of the pipeline by large water pressure and air pressure in the pipeline, and ensuring that the air bag main body can normally plug the pipeline.
All set out from the inside pipeline or the design of shutoff gasbag among the prior art, guarantee that the shutoff gasbag is fixed inside the pipeline, nevertheless mode such as sealing washer or locating plate is more difficult at pipeline internal design, and inconvenient putting the shutoff gasbag in suitable position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that pipeline plugging device exists among the prior art, a pipeline plugging device is provided.
The purpose of the utility model is realized through the following technical scheme:
the pipeline plugging device comprises a plugging bag and a plugging bag fixing device, wherein the plugging bag is arranged in a pipeline to be plugged, and a gas/liquid input pipe is connected to the plugging bag;
the blocking bag fixing device comprises a positioning support screw rod, a fixing end cover and a locking nut, the fixing end cover is fixed at the pipe orifice of the pipeline to be blocked, and one end of the positioning support screw rod penetrates through the fixing end cover and extends inwards along the pipe orifice to be fixedly connected with the blocking bag;
the positioning support screw rod is adjusted and positioned with the fixed end cover through a locking nut.
Preferably, the pipeline plugging device is characterized in that the fixed end cover is fixedly connected with the pipeline to be plugged through a plurality of set screws.
Preferably, the other end of the positioning support screw is provided with a handle disc for adjusting the depth of the positioning support screw entering the pipeline to be plugged.
Preferably, the inner side of the plugging bag is provided with a steel wire reinforcing rib.
Preferably, the pipeline plugging device is characterized in that a plurality of convex solid reinforcing rings are arranged on the outer side of the plugging bag.
Preferably, the pipeline plugging device comprises a rubber bag.
Preferably, the pipeline plugging device is provided with a pressure gauge on the gas/liquid input pipe.
Preferably, the pipeline plugging device is also provided with a stop valve on the gas/liquid input pipe.
Preferably, the pipeline plugging device is a rubber pipe or a metal hose.
Preferably, the number of the positioning screws is four, and the four positioning screws are respectively arranged around the edge of the fixed end cover.
It should be further noted that the technical features corresponding to the above-mentioned system options can be combined with each other or replaced to form a new technical solution.
Compared with the prior art, the utility model discloses beneficial effect is:
(1) the blocking bag fixing device is arranged outside the pipeline to be blocked, so that the blocking bag is fixed from the outside of the pipeline and is easy to implement; the positioning support screw is fixedly connected with the plugging bag, the depth of the positioning support screw entering the pipeline to be plugged is adjusted, the position of the plugging bag in the pipeline can be adjusted, the plugging bag is conveniently placed at a proper position to be plugged, and the plugging bag is locked by the locking nut to be fixed; in addition, the size of the plugging bag is adjusted, and pipelines with different diameters are plugged.
(2) The inboard of shutoff bag is provided with the steel wire strengthening rib, and the steel wire strengthening rib is used for strengthening the intensity of shutoff bag, prevents to damage the shutoff bag because medium pressure is too big in the pipeline.
(3) The outer side of the plugging bag is provided with a plurality of raised solid reinforcing rings, so that the sealing performance of the plugging bag can be improved, and the plugging bag can be better fixed in a pipeline.
(4) The gas/liquid input pipe is provided with a pressure gauge for detecting the pressure of the medium, and the gas/liquid input pipe is also provided with a stop valve, so that the pressure of the filled gas/liquid reaches a set value, and the stop valve is closed to ensure the pressure in the plugging bag.
Drawings
Fig. 1 is a schematic structural view of a pipeline plugging device according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a plugging device according to embodiment 2 of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The utility model discloses mainly can be fixed shutoff bag 1 from the pipeline outside through shutoff bag fixing device 2, the degree of depth of shutoff bag 1 in the pipeline is conveniently adjusted and fixed through lock nut 23 to location support screw 21, adjusts the specification of shutoff bag 1, realizes the shutoff of different diameter pipelines.
Example 1
In an exemplary embodiment, a pipeline plugging device is provided, as shown in fig. 1, comprising a plugging bag 1 and a plugging bag fixing device 2, wherein the plugging bag 1 is arranged in a pipeline 3 to be plugged, and a gas/liquid input pipe 4 is connected to the plugging bag 1;
the blocking bag fixing device 2 comprises a positioning support screw 21, a fixing end cover 22 and a locking nut 23, the fixing end cover 22 is fixed at the pipe orifice of the pipeline 3 to be blocked, one end of the positioning support screw 21 penetrates through the fixing end cover 22 and extends inwards along the pipe orifice to be fixedly connected with the blocking bag 1, and in one example, one end of the positioning support screw 21 penetrates through a screw thread of the support screw and is connected with a screw hole of the end cover.
The positioning support screw 21 is adjusted and positioned with the fixed end cover 22 through a locking nut 23, and the locking nut 23 is used for screwing the locking nut 23 to fix the positioning support screw 21 with the fixed end cover 22 when the positioning support screw 21 extends inwards to a required position along the pipe orifice.
Specifically, the non-inflated/liquid-filled plugging bag 1 is placed into the pipeline 3 to be plugged through the positioning support screw 21, the fixed end cover 22 is sleeved on the pipe orifice of the pipeline 3 to be plugged, the fixed end cover 22 is fixed at the port of the pipeline 3 to be plugged, the depth of the positioning support screw 21 extending into the pipeline 3 to be plugged is adjusted, the position of the plugging bag 1 in the pipeline is further adjusted, and the positioning support screw 21 is locked by the locking nut 23 after the plugging bag 1 is placed at a proper position. When the position of the plugging bag 1 needs to be adjusted, the locking nut 23 is loosened, and the positioning support screw 21 is moved to adjust the position of the plugging bag 1.
Further, the plugging bag 1 is inflated/filled with liquid through the inflation/liquid input pipe 4, and when a certain pressure is reached, the plugging bag 1 is expanded to plug the pipeline.
The utility model realizes the fixation of the plugging bag 1 from the outside of the pipeline by arranging the plugging bag fixing device 2 outside the pipeline 3 to be plugged, and is easy to implement; the positioning support screw 21 is fixedly connected with the plugging bag 1, the depth of the positioning support screw 21 entering the pipeline 3 to be plugged is adjusted, the position of the plugging bag 1 in the pipeline can be adjusted, the plugging bag 1 is conveniently placed at a proper position to be plugged, and is locked by the locking nut 23, so that the plugging bag 1 is fixed; in addition, the size of the plugging bag 1 is adjusted, so that pipelines with different diameters can be plugged.
Example 2
Based on embodiment 1, a pipeline plugging device is provided, as shown in fig. 2, the fixing end cap 22 is fixedly connected with the pipeline 3 to be plugged through a plurality of set screws 24.
Further, the other end of the positioning support screw 21 is provided with a handle disc 5 for adjusting the depth of the positioning support screw 21 entering the pipeline 3 to be plugged, so that the depth of the positioning support screw 21 entering the pipeline 3 to be plugged can be automatically adjusted through the handle disc.
Further, the inner side of the plugging bag 1 is provided with a steel wire reinforcing rib 11, and the steel wire reinforcing rib is used for reinforcing the strength of the plugging bag 1 and preventing the plugging bag 1 from being damaged due to overlarge medium pressure in the pipeline.
Further, the outer side of the plugging bag 1 is provided with a plurality of raised solid reinforcing rings 12, specifically, the reinforcing rings are annular members welded on the inner wall or the outer wall of the shell to increase the strength and the rigidity of the container. The reinforcing ring arranged on the cylinder subjected to external pressure or vacuum can increase the rigidity of the cylinder, prevent instability and improve the allowable external pressure. The reinforcing ring is arranged on the horizontal container with the support section or the non-circular section, so that the capacity of the container shell for bearing bending moment can be improved. The reinforcing ring is generally made of steel, and the reinforcing ring provided on a large container is also formed by cutting a steel plate into strips, pre-bending the strips, and welding the strips. On the one hand, the sealing performance of the plugging bag can be improved, and on the other hand, the plugging bag 1 can be better fixed in the pipeline.
Further, the plugging bag 1 is a rubber bag.
Further, a pressure gauge 41 is arranged on the gas/liquid input pipe 4 to detect the pressure of the medium, and in one example, the pressure of the filled gas/liquid is adjustable between 0.6 MPa and 1.0 MPa.
Further, a stop valve 42 is provided on the gas/liquid input pipe 4 for closing the stop valve to ensure the pressure in the blocking bladder when the charging gas/liquid pressure reaches a set value.
Further, the gas/liquid input pipe 4 is a rubber pipe or a metal hose.
Furthermore, four positioning screws 24 are respectively arranged around the edge of the fixed end cover 22, the positioning screws 24 are arranged at 90 degrees on the edge of the fixed end cover 22, and the fixed end cover 22 is fixed on the pipe orifice through the positioning screws 24.
The above detailed description is the detailed description of the present invention, and it can not be considered that the detailed description of the present invention is limited to these descriptions, and to the ordinary skilled person in the art to which the present invention belongs, without departing from the concept of the present invention, a plurality of simple deductions and replacements can be made, which should be regarded as belonging to the protection scope of the present invention.
Claims (10)
1. The pipeline plugging device is characterized by comprising a plugging bag (1) and a plugging bag fixing device (2), wherein the plugging bag (1) is arranged in a pipeline (3) to be plugged, and a gas/liquid input pipe (4) is connected to the plugging bag (1);
the blocking bag fixing device (2) comprises a positioning support screw rod (21), a fixing end cover (22) and a locking nut (23), the fixing end cover (22) is fixed at the pipe orifice of the pipeline (3) to be blocked, and one end of the positioning support screw rod (21) penetrates through the fixing end cover (22) and extends inwards along the pipe orifice to be fixedly connected with the blocking bag (1);
the positioning support screw rod (21) is adjusted and positioned with the fixed end cover (22) through a locking nut (23).
2. The pipe plugging device according to claim 1, wherein said fixed end cap (22) is fixedly connected to said pipe (3) to be plugged by means of a plurality of set screws (24).
3. The pipeline plugging device according to claim 1, wherein the other end of the positioning support screw (21) is provided with a handle disc (5) for adjusting the depth of the positioning support screw (21) into the pipeline (3) to be plugged.
4. Pipeline plugging device according to claim 1, characterized in that the inside of the plugging bladder (1) is provided with steel wire reinforcement (11).
5. Pipeline occlusion device according to claim 4, characterized in that the occlusion bladder (1) is provided with a plurality of raised solid reinforcement rings (12) on the outside.
6. Pipeline occlusion device according to claim 5, characterized in that the occlusion bladder (1) is a rubber bladder.
7. Pipeline plugging device according to claim 1, wherein a pressure gauge (41) is arranged on the gas/liquid input pipe (4).
8. Pipeline plugging device according to claim 7, wherein a shut-off valve (42) is further provided on the gas/liquid input pipe (4).
9. Pipeline plugging device according to claim 8, wherein the gas/liquid input pipe (4) is a rubber tube or a metal hose.
10. The pipeline plugging device according to claim 2, wherein four of said set screws (24) are disposed around the edge of said fixed end cap (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485063.2U CN215215309U (en) | 2021-06-30 | 2021-06-30 | Pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485063.2U CN215215309U (en) | 2021-06-30 | 2021-06-30 | Pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215215309U true CN215215309U (en) | 2021-12-17 |
Family
ID=79432531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121485063.2U Active CN215215309U (en) | 2021-06-30 | 2021-06-30 | Pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215215309U (en) |
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2021
- 2021-06-30 CN CN202121485063.2U patent/CN215215309U/en active Active
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