CN212745421U - Interim plugging device of pipeline - Google Patents
Interim plugging device of pipeline Download PDFInfo
- Publication number
- CN212745421U CN212745421U CN202021684678.3U CN202021684678U CN212745421U CN 212745421 U CN212745421 U CN 212745421U CN 202021684678 U CN202021684678 U CN 202021684678U CN 212745421 U CN212745421 U CN 212745421U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipeline
- flange
- diameter
- bearing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses an interim plugging device of pipeline, the device is including dismantling the ferrule that is fixed in on the pipeline, one end is connected with the ferrule and is used for the orificial first pipe of shutoff, be connected with the first pipe other end and be used for the blind plate of shutoff first pipe, the first pipe is including holding hole and first pipe inserting plate, the pipeline mouth of pipe extends to the transition part between holding hole major diameter portion and the path portion, be equipped with the rubber ring lock ring between transition part between holding hole major diameter portion and the path portion and the pipeline, the path end of holding hole is equipped with first ring flange, the major diameter end of holding hole is equipped with the second ring flange, the one end that the holding hole was kept away from to the first pipe inserting plate is equipped with the third ring flange, the fourth ring flange that sets up on third ring flange and the ferrule is connected, the third ring flange still with the second ring flange fixed connection of the major diameter end of holding hole, first ring flange is connected with the blind plate. The utility model discloses can effectively solve the interim shutoff of pipeline and have ponding pipeline gyroscope to detect the ponding and sweep the threading problem.
Description
Technical Field
The utility model belongs to the pipeline passes through the field, concretely relates to interim plugging device of pipeline.
Background
When the pipeline breaks, there is ponding inside the pipeline, need sweep the ponding in the pipeline when using the gyroscope to detect, need be at pipeline one end welding baffle and guarantee the leakproofness so that realize the interim shutoff of pipeline and sweep ponding before sweeping. According to the conventional pipeline plugging method, a blind plate needs to be welded at one end of a pipeline to be tested, then an air compressor is used for purging through balls, the specially-made blind plate needs to be welded on the pipeline to be tested, air tightness and stability are guaranteed, the welded blind plate needs to be cut after purging through balls is completed, and connection of the pipeline is facilitated. On one hand, the method wastes large manpower and material resources for welding and cutting, and simultaneously consumes more working time, so that the method is not beneficial to supporting the timeliness of gyroscope detection.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides an interim plugging device of pipeline uses cast iron pipeline socket joint connection technique, adopts first pipe and the gas tightness of shutoff is guaranteed in blind plate combination, adopts ferrule and first pipe combination to guarantee plugging device's stability, avoids sweeping the in-process first pipe and drops, realizes the interim plugging of non-welding of pipeline.
The utility model discloses a temporary pipeline plugging device, which comprises a pipe hoop detachably fixed on a pipeline, a first pipe with one end connected with the pipe hoop and used for plugging a pipe orifice, and a blind plate connected with the other end of the first pipe and used for plugging the first pipe, wherein the first pipe comprises a tubular bearing hole with two ends different in diameter and a cylindrical first pipe inserting disc which is externally sleeved on the pipeline close to the pipeline orifice and is inserted with a large-diameter part of the bearing hole, the pipeline orifice extends to a transition part between the large-diameter part and a small-diameter part of the bearing hole, a rubber ring supporting ring which is extruded and expanded by the first pipe inserting disc to tightly attach the outer wall of the pipeline and the inner wall of the first pipe to ensure air tightness is arranged between the transition part between the large-diameter part and the small-diameter part of the bearing hole and the pipeline, a first flange plate is arranged at the small-diameter end of the bearing hole, a third flange plate is arranged at one end of the first pipe inserting disc far away from the bearing hole, and a fourth flange plate fixedly connected with the pipe hoop (one end of the first pipe, the third flange plate is also fixedly connected with the second flange plate at the large-diameter end of the bearing hole, and the first flange plate is fixedly connected with the blind plate.
Further, the part of the nail tube inserting disc inserted into the bearing hole is positioned between the outer wall of the pipeline and the inner wall of the large-diameter end of the bearing hole, the inner diameter of the large-diameter part of the bearing hole is slightly larger than the outer diameter of the nail tube inserting disc, for example, about 0.5-0.8mm, the inner diameter of the small-diameter part of the bearing hole is not larger than the inner diameter of the pipeline, and the inner diameter of the nail tube inserting disc is slightly larger than the outer diameter of the pipeline, for example, about 0.5-0.
Further, the inner wall of the transition part between the large-diameter part and the small-diameter part of the bearing hole is in a step shape and is used for better supporting the rubber ring supporting ring.
Furthermore, the inner diameter of the first flange plate is equal to the outer diameter of the small-diameter part of the bearing hole, the inner diameter of the second flange plate is equal to the outer diameter of the large-diameter part of the bearing hole, and the inner diameter of the third flange plate is equal to the outer diameter of the pipe A inserting plate.
Further, the ferrule includes two semi-circular staple bolts, the junction of two semi-circular staple bolts is equipped with the flange, it has the hole that is used for the bolt fastening to open on the flange, the fourth ring flange on the ferrule is formed by two semi-circular ring flange combinations, two semi-circular ring flanges are fixed respectively on two semi-circular staple bolts, after two semi-circular staple bolts are fixed on the pipeline, the fourth ring flange just in time is constituteed to two semi-circular ring flanges, use the bolt-up to be fixed in the ferrule on the pipeline between two semi-circular staple bolts, and guarantee that the ferrule has sufficient frictional force with the close messenger's of pipeline laminating and guarantee that the first pipe does not drop with the pipeline, the stability of sweeping the in-process is being suppressed to the first pipe through the fixity of ferrule.
Furthermore, the length of the first-pipe inserting disc is larger than that of the large-diameter part of the bearing hole, and the length of the first-pipe inserting disc enables the first-pipe inserting disc to extrude the rubber ring supporting ring to enable the rubber ring supporting ring to be expanded to be attached to the outer wall of the pipeline and the inner wall of the first pipe when the first-pipe inserting disc is inserted into the bearing hole, so that the sealing performance between the first pipe and the pipeline can be guaranteed, and the sealing performance is larger than 3-5cm for example.
Further, a gasket used for ensuring the tightness of the connection between the pipe hoop and the pipeline and preventing the pipe hoop from damaging the pipeline is arranged between the pipe hoop and the pipeline.
Furthermore, the blind plate is provided with a threading hole (which can be sealed by a plug when not threading) for the steel wire rope to pass through in the process of purging the through ball and a pressurizing hole (which can be sealed by a plug when not purging) for connecting the air compressor when purging the through ball, and the pressurizing hole is provided with a pressure gauge for monitoring the pressure change in the purging process and the temporary plugging process pipe.
Furthermore, the first flange plate is connected with the blind plate, the second flange plate is connected with the third flange plate, and the third flange plate is connected with the fourth flange plate through bolts, wherein the second flange plate and the third flange plate enable the first pipe inserting plate to continuously extrude the rubber ring support ring to be expanded to be attached to the outer wall of the pipeline and the inner wall of the first pipe in the bolt fastening process, so that the sealing performance between the first pipe and the pipeline is guaranteed.
Furthermore, a flange connecting gasket for ensuring the plugging tightness of the first pipe and the blind plate is arranged between the first flange plate and the blind plate.
The utility model discloses an operation method of interim plugging device of pipeline, this method includes:
the method comprises the steps of firstly, fastening and fixing a pipe hoop on a pipeline by using bolts, wherein the distance between the pipe hoop and a pipe opening is slightly larger than the length of a first pipe inserting disc, then fixedly connecting the pipe hoop with the first pipe inserting disc through a fourth flange and a third flange, fixedly connecting the first pipe inserting disc with a bearing hole through the third flange and a second flange, screwing bolts on the third flange and the second flange to enable the first pipe inserting disc to continuously extrude a rubber ring supporting ring, enabling the rubber ring supporting ring to be expanded to be attached to the outer wall of the pipeline and the inner wall of the first pipe to guarantee the air tightness and the stability of connection, and finally, hermetically connecting the first flange with a blind plate.
The utility model has the advantages that:
the utility model can effectively solve the problems of temporary plugging of pipelines and accumulated water blowing and threading detected by the gyroscope of accumulated water pipelines, on one hand, realizes non-welding plugging of pipelines, does not need to cut the pipelines, reduces investment cost and improves efficiency; on the other hand, the device can be repeatedly used, and can be combined by accessories with different pipe diameters and adaptive to the pipe diameters, and can be effectively applied to various pipe diameter situations.
Drawings
Fig. 1 is a schematic structural view of the temporary pipeline plugging device of the present invention.
Fig. 2 is a schematic view of the connection between the nail tube inserting disc and the bearing hole and the pipeline.
Fig. 3 is a top view of the nail plate.
Fig. 4 is a schematic structural view of the pipe clamp.
Fig. 5 is a schematic structural diagram of a blind plate.
Reference numerals:
the pipe comprises a pipe 1, a pipe hoop 2, a pipe orifice 3, a first pipe 4, a blind plate 5, a bearing hole 6, a bearing hole large-diameter part 7, a first pipe inserting plate 8, a bearing hole small-diameter part 9, a transition part 10, a rubber ring support ring 11, a first flange plate 12, a second flange plate 13, a third flange plate 14, a fourth flange plate 15, a flange 16, a hole 17, a bolt 18, a gasket 19, a threading hole 20, a pressing hole 21, a pressure gauge 22 and a flange connecting gasket 23.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-5, the temporary pipeline plugging device of the present invention comprises a pipe hoop 2 detachably fixed on a pipeline 1, a first pipe 4 having one end connected with the pipe hoop 2 and used for plugging a pipe orifice 3 of the pipeline, and a blind plate 5 connected with the other end of the first pipe 4 and used for plugging the first pipe 4, wherein the first pipe 4 comprises a tubular bearing hole 6 with two ends having different diameters and a cylindrical first pipe inserting plate 8 which is externally sleeved on the pipeline close to the pipe orifice 3 and is inserted into a large-diameter part 7 of the bearing hole, the pipe orifice 3 extends to a transition part 10 between the large-diameter part 7 and a small-diameter part 9 of the bearing hole, a rubber ring supporting ring 11 which is extruded and expanded by the first pipe inserting plate 8 to tightly adhere to the outer wall of the pipeline and the inner wall of the first pipe is arranged between the transition part 10 between the large-diameter part 7 and the small-diameter part 9 of the bearing hole and the pipeline 1 to ensure air tightness, the small-diameter end of the bearing hole 6 is provided with, a third flange 14 is arranged at one end, far away from the bearing hole 6, of the pipe A inserting disc 8, the third flange 14 is fixedly connected with a fourth flange 15 arranged on the pipe hoop 2 (close to one end of the pipe A inserting disc 8), the third flange 14 is also fixedly connected with a second flange 13 at the large-diameter end of the bearing hole 6, and the first flange 12 is fixedly connected with the blind plate 5.
The part of the nail tube inserting disc 8 inserted into the bearing hole 6 is positioned between the outer wall of the pipeline and the inner wall of the large-diameter end of the bearing hole, the inner diameter of the large-diameter part 7 of the bearing hole is slightly larger than the outer diameter of the nail tube inserting disc 8, for example, about 0.5-0.8mm, the inner diameter of the small-diameter part 9 of the bearing hole is not larger than the inner diameter of the pipeline, and the inner diameter of the nail tube inserting disc is slightly larger than the outer diameter of the pipeline, for example, about 0.5.
The inner wall of a transition part 10 between the large-diameter part 7 and the small-diameter part 9 of the bearing hole is in a step shape and is used for better supporting the rubber ring supporting ring.
The inner diameter of the first flange plate 12 is equal to the outer diameter of the small-diameter part 9 of the bearing hole, the inner diameter of the second flange plate 13 is equal to the outer diameter of the large-diameter part 7 of the bearing hole, and the inner diameter of the third flange plate 14 is equal to the outer diameter of the nail tube inserting plate 8.
The pipe hoop 2 comprises two semi-circular hoops, the junction of two semi-circular hoops is equipped with flange 16, it has the hole 17 that is used for the bolt fastening to open on the flange 16, fourth ring flange 15 on the pipe hoop is formed by two semi-circular ring flanges combination, two semi-circular ring flanges are fixed respectively on two semi-circular hoops, after two semi-circular hoops are fixed on the pipeline, the fourth ring flange just in time is constituteed to two semi-circular ring flanges, use bolt 18 fastening between two semi-circular hoops to be fixed in the pipe hoop on the pipeline, and guarantee that pipe hoop and pipeline laminating are close to make it have sufficient frictional force to guarantee that the first pipe does not drop with the pipeline, the stability of first pipe at the in-process of blowing down is guaranteed to the fixity through the pipe hoop. The wall thickness of the pipe clamp 2 may be 0.5 to 1.5 times, preferably 0.8 to 1.2 times, the diameter of the inner circle formed by the pipe clamp 2 is equal to or slightly larger than the diameter of the pipe (for example, 0.1 to 1mm larger).
The length of the first pipe inserting disc 8 is larger than that of the large-diameter part 7 of the bearing hole, and the length of the first pipe inserting disc enables the first pipe inserting disc to extrude the rubber ring supporting ring to enable the rubber ring supporting ring to be expanded to be attached to the outer wall of the pipeline and the inner wall of the first pipe when the first pipe inserting disc is inserted into the bearing hole, so that the sealing performance between the first pipe and the pipeline can be guaranteed, and the sealing performance is larger than 3-5cm for example.
A gasket 19 for ensuring the tightness of the connection between the pipe hoop and the pipeline and preventing the pipe hoop from damaging the pipeline is arranged between the pipe hoop 2 and the pipeline 1.
The blind plate 5 is provided with a threading hole 20 (which can be sealed by a plug when not threading) for a steel wire rope to pass through in the process of purging the through ball and a pressurizing hole 21 (which can be sealed by a plug when not purging) for connecting an air compressor when purging the through ball, and the pressurizing hole 21 is provided with a pressure gauge 22 for monitoring the pressure change in the purging process and the temporary plugging process pipe.
The first flange plate 12 is connected with the blind plate 5, the second flange plate 13 is connected with the third flange plate 14, and the third flange plate 14 is connected with the fourth flange plate 15 through bolts, wherein the second flange plate 13 and the third flange plate 14 enable the first pipe inserting plate 8 to continuously extrude the rubber ring support ring 11 to be expanded to be attached to the outer wall of the pipeline and the inner wall of the first pipe in the bolt fastening process, so that the sealing performance between the first pipe and the pipeline is guaranteed.
And a flange connecting gasket 23 for ensuring the sealing performance of the first pipe and the blind plate is arranged between the first flange plate 12 and the blind plate 5.
The utility model discloses an operation method of interim plugging device of pipeline, this method includes:
firstly, a pipe hoop 2 is fastened and fixed on a pipeline 1 by using bolts, the distance between the pipe hoop 2 and a pipeline orifice 3 is slightly larger than the length of a pipe A inserting disc 8, then the pipe hoop 2 and the pipe A inserting disc 8 are fixedly connected through a fourth flange 15 and a third flange 14, then the pipe A inserting disc 8 and a bearing hole 6 are fixedly connected through the third flange 14 and a second flange 13, the bolts on the third flange 14 and the second flange 13 are tightened to enable the pipe A inserting disc to continuously press a rubber ring support ring 11, the rubber ring support ring 11 is expanded to be attached to the outer wall of the pipeline and the inner wall of the pipe to guarantee the air tightness and the stability of connection, and finally the rubber ring support ring 11 is connected with a blind plate 5 in a sealing mode through the first flange 12.
Claims (10)
1. A temporary pipeline plugging device is characterized by comprising a pipe hoop detachably fixed on a pipeline, a first pipe with one end connected with the pipe hoop and used for plugging a pipe orifice, and a blind plate connected with the other end of the first pipe and used for plugging the first pipe, wherein the first pipe comprises a tubular bearing hole with two ends different in diameter and a cylindrical first pipe inserting disc which is externally sleeved on the pipeline close to the pipe orifice and is inserted into a large-diameter part of the bearing hole, the pipe orifice of the pipeline extends to a transition part between the large-diameter part and a small-diameter part of the bearing hole, a rubber ring supporting ring which is extruded and expanded by the first pipe inserting disc to tightly attach the outer wall of the pipeline and the inner wall of the first pipe to ensure air tightness is arranged between the transition part between the large-diameter part and the small-diameter part of the bearing hole and the pipeline, a first flange is arranged at the small-diameter end of the bearing hole, a second flange is arranged at the large-diameter end of the first pipe inserting disc far away from the bearing hole, a third flange is connected with a, the third flange plate is also fixedly connected with the second flange plate at the large-diameter end of the bearing hole, and the first flange plate is connected with the blind plate.
2. The temporary pipeline plugging device according to claim 1, wherein the part of the first pipe inserting disc inserted into the bearing hole is positioned between the outer wall of the pipeline and the inner wall of the large-diameter end of the bearing hole, the inner diameter of the large-diameter part of the bearing hole is 0.5-0.8mm larger than the outer diameter of the first pipe inserting disc, the inner diameter of the small-diameter part of the bearing hole is not larger than the inner diameter of the pipeline, and the inner diameter of the first pipe inserting disc is 0.5-0.8mm larger than the outer diameter of the pipeline.
3. Temporary pipeline plugging device according to claim 1 or 2, wherein the inner wall of the transition between the large diameter part and the small diameter part of the socket is stepped.
4. The temporary pipeline plugging device according to claim 1 or 2, wherein the first flange has an inner diameter equal to the outer diameter of the small diameter part of the socket, the second flange has an inner diameter equal to the outer diameter of the large diameter part of the socket, and the third flange has an inner diameter equal to the outer diameter of the nail tube inserting plate.
5. The temporary pipeline plugging device of claim 1 or 2, wherein the pipe hoop comprises two semicircular hoops, a flange is arranged at the joint of the two semicircular hoops, holes for fixing bolts are formed in the flange, a fourth flange plate on the pipe hoop is formed by combining two semicircular flange plates, and the two semicircular flange plates are respectively fixed on the two semicircular hoops.
6. The temporary pipeline plugging device according to claim 1 or 2, wherein the length of the first pipe insertion disc is greater than that of the large-diameter part of the bearing hole, and the length of the first pipe insertion disc enables the first pipe insertion disc to press the rubber ring support ring to be expanded to be close to the outer wall of the pipeline and the inner wall of the first pipe when the first pipe insertion disc is inserted into the bearing hole, so that the sealing performance between the first pipe and the pipeline is guaranteed.
7. The temporary pipeline plugging device of claim 1 or 2, wherein a gasket is provided between the pipe clamp and the pipeline for ensuring the tightness of the connection between the pipe clamp and the pipeline and preventing the pipe clamp from damaging the pipeline.
8. The temporary pipeline plugging device according to claim 1 or 2, wherein a threading hole for a steel wire rope to pass through in the process of purging the through ball and a pressurizing hole for connecting an air compressor in the process of purging the through ball are arranged on the blind plate, and a pressure gauge for monitoring the change of the air pressure in the pipe in the purging process and the temporary plugging process is arranged on the pressurizing hole.
9. The temporary pipeline plugging device according to claim 1 or 2, wherein the first flange plate and the blind plate, the second flange plate and the third flange plate, and the third flange plate and the fourth flange plate are connected through bolts.
10. The temporary pipeline plugging device according to claim 1 or 2, wherein a flange connecting gasket for ensuring the plugging tightness of the first pipe and the blind plate is arranged between the first flange plate and the blind plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021684678.3U CN212745421U (en) | 2020-08-13 | 2020-08-13 | Interim plugging device of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021684678.3U CN212745421U (en) | 2020-08-13 | 2020-08-13 | Interim plugging device of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212745421U true CN212745421U (en) | 2021-03-19 |
Family
ID=74989575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021684678.3U Active CN212745421U (en) | 2020-08-13 | 2020-08-13 | Interim plugging device of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212745421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026535A (en) * | 2023-02-16 | 2023-04-28 | 沧州广晟钢管制造有限公司 | Bell and spigot joint pressurizing machine |
-
2020
- 2020-08-13 CN CN202021684678.3U patent/CN212745421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026535A (en) * | 2023-02-16 | 2023-04-28 | 沧州广晟钢管制造有限公司 | Bell and spigot joint pressurizing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212745421U (en) | Interim plugging device of pipeline | |
| CN109540415A (en) | A kind of ship pipeline tightness test tooling | |
| CN210372520U (en) | Sealing plug of heat exchange tube | |
| CN201696760U (en) | Sound detecting pipe threaded connection joint device | |
| CN201412634Y (en) | Quick repair pipe joint for metal thick wall fractured conveying pipe | |
| CN201293164Y (en) | Quickly connecting and plugging pipe joint | |
| CN214090941U (en) | Reusable tool type wall connecting device | |
| CN114810756A (en) | Connecting device of sounding pipe | |
| CN201661788U (en) | Pipeline connecting device among air-conditioning components | |
| CN201606621U (en) | Leaking stoppage device of gas pipeline | |
| CN210687422U (en) | Waterproof and pressure-bearing tube drawing head sealing piece | |
| CN2479332Y (en) | Rigid pipe and hose connector | |
| CN210664904U (en) | Acoustic pipe seal detection device | |
| CN113187960A (en) | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof | |
| CN210665275U (en) | Stainless steel rapid clamp for pipe testing | |
| CN108386649B (en) | Pipeline pressure test plugging structure | |
| CN2140014Y (en) | Expanding jointing piece of pipeline | |
| CN201375972Y (en) | Vibration cavity-type acoustic wave soot blower | |
| CN216645736U (en) | Automatic centering type oil pipe pressure test tool | |
| CN205534699U (en) | Circumscribed buckle structure | |
| CN200993280Y (en) | Sufaty fast joint | |
| CN219263427U (en) | Pipeline connection structure, vehicle lubrication system pipeline and fuel system pipeline | |
| CN216479604U (en) | Spacing leaking stoppage ware of stainless steel underwater pipeline | |
| CN214699757U (en) | Argon gas shutoff gas charging connector | |
| JP2001059794A (en) | Method and device for inspecting airtightness of pipe joint part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |