CN216280060U - Pipeline safety plugging device for oil and gas pipeline welding - Google Patents
Pipeline safety plugging device for oil and gas pipeline welding Download PDFInfo
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- CN216280060U CN216280060U CN202122348857.0U CN202122348857U CN216280060U CN 216280060 U CN216280060 U CN 216280060U CN 202122348857 U CN202122348857 U CN 202122348857U CN 216280060 U CN216280060 U CN 216280060U
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- pipeline
- plug
- sleeve
- screw rod
- oil
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000000903 blocking effect Effects 0.000 claims description 21
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of oil-gas pipeline welding, and particularly discloses a pipeline safety plugging device for oil-gas pipeline welding, which comprises a plug for plugging a pipeline and a plugging sleeve arranged between the pipeline and the plug, wherein a screw rod is connected with the plug in a threaded manner, one end of the screw rod penetrates through the plug and extends into the plug sleeve, a rubber block and an extrusion component for extruding the plugging sleeve are sequentially connected with the screw rod in a threaded manner, the other end of the screw rod is fixedly connected with a turntable, a sliding block is connected with the screw rod in a threaded manner, the extrusion component comprises a sliding rod, first extruded article and second extruded article, it has first connecting rod to articulate between first extruded article week end and the slider, and it has the second connecting rod to articulate between second extruded article week end and the first extruded article, solves traditional pipeline shutoff and adopts blind plate welding shutoff, and the process of installation and dismantlement all can lead to the fact certain destruction to the pipeline, the problem of the installation of the follow-up pipeline of not being convenient for.
Description
Technical Field
The application relates to the technical field of oil and gas pipeline welding, and particularly discloses a pipeline safety plugging device for oil and gas pipeline welding.
Background
Petroleum and natural gas is a clean, efficient and environment-friendly product mined by modern human beings, long-distance large-diameter pipelines are required to be arranged for oil, gas and water pipeline transportation in a petrochemical production field, a pipeline transportation mode is usually adopted in the use and transportation of the petroleum and natural gas, when the oil and gas pipelines are maintained or modified, the pipelines are required to be welded for maintenance, welding and construction operation is carried out, a large amount of welding slag is produced during the welding in the installation and construction process, impurities in the production process can fall into the reserved pipelines, in order to reduce the welding slag of the pipelines and avoid the pipeline blockage caused by the welding slag, the pipelines are required to be temporarily partially blocked, the interior and the exterior of the pipelines are isolated, the temporary blocking of the oil and gas pipelines at present mainly adopts a blind plate blocking method, a blind plate is welded at the position of a pipe orifice to block the pipelines, and the blind plate can cause certain damage to the pipe orifice in the welding and cutting processes, the pipeline safety plugging device for oil and gas pipeline welding is provided by the inventor, so that the problem is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the traditional pipeline plugging adopts blind plate welding plugging, the pipeline is damaged to a certain extent in the processes of installation and disassembly, and the subsequent pipeline installation is inconvenient.
In order to achieve the aim, the basic scheme of the utility model provides a pipeline safety plugging device for welding an oil-gas pipeline, which comprises a plug for plugging the pipeline and a plugging sleeve arranged between the pipeline and the plug, wherein a screw rod is connected with the plug in a threaded manner, one end of the screw rod penetrates through the plug and extends into the plug sleeve, and a rubber block and an extrusion component for extruding the plugging sleeve are sequentially connected with the screw rod in a threaded manner;
the extrusion component is including rotating the first extruded article and the second extruded article of rigid coupling at the slide bar free end of slide bar of connection slide bar, sliding connection on the screw rod, and it has a plurality of first connecting rods to articulate between first extruded article week end and the slider, and it has a plurality of second connecting rods to articulate between second extruded article week end and the first extruded article.
The principle and effect of this basic scheme lie in:
1. according to the utility model, the blocking sleeve matched with the pipeline extends into the pipeline, and the blocking sleeve extending into the pipeline is expanded and extruded by applying acting force, so that the effect of sealing the pipeline is achieved, the sealing performance of the pipeline can be improved by the blocking sleeve, and meanwhile, the blocking sleeve can be pulled out from the outside, so that the blocking sleeve can be rapidly disassembled, is convenient for construction, cannot damage the pipeline, and is convenient for the installation of the subsequent pipeline.
2. According to the utility model, by arranging the rubber block, the sliding block, the screw rod and the like, the turntable is manually rotated to drive the screw rod to move, the rubber block is driven to move in the moving process of the screw rod, the rubber block can effectively return under the limiting action of the plug, and the rubber block exerts an acting force on the plugging sleeve to seal the pipeline.
3. According to the utility model, the first extrusion piece, the second extrusion piece, the slide bar and the like are arranged, the slide block moves, the first connecting rod applies acting force to the peripheral end of the first extrusion piece, so that the first extrusion piece extrudes the blocking sleeve, meanwhile, the first extrusion piece moves on the slide bar to drive the second connecting rod to extrude the second extrusion piece to the blocking sleeve, and the blocking sleeve is extruded simultaneously through the first extrusion piece and the second extrusion piece, so that the pipeline can be better blocked, and the blocking effect is better.
Compared with the prior art, the pipeline plugging device has the advantages that the rubber block, the first extrusion piece, the second extrusion piece and the like are arranged, the rubber block, the first extrusion piece and the second extrusion piece can be driven to deform by manually rotating the rotary table, so that the plugging sleeve is plugged, the pipeline cannot be damaged, the structure is simple, the practicability is high, the pipeline plugging device is convenient to install and disassemble, and the problems that the pipeline is damaged to a certain extent in the installation and disassembly processes due to the fact that the traditional pipeline plugging is realized by blind plate welding plugging, and the follow-up pipeline installation is inconvenient are solved.
Further, first extruded article include sliding connection at the slide bar first mounting disc, and open global of first mounting disc has the ring channel, and ring channel sliding seal connects has first rubber sleeve, and first rubber sleeve week end stretches out first mounting disc and is articulated with first connecting rod. The screw rod rotates to drive the sliding block to move, the sliding block supports the first rubber sleeve through the first connecting rod under the limiting effect of the rubber block, and then the blocking sleeve is extruded, so that the aim of sealing a pipeline is fulfilled.
Further, the second extruded part comprises a second mounting disc fixedly connected to the sliding rod, an annular groove is formed in the circumferential surface of the second mounting disc, a second rubber sleeve is connected to the annular groove in a sliding and sealing mode, and the circumferential end of the second rubber sleeve extends out of the second mounting disc and is hinged to the second connecting rod. The first extrusion piece is changed to support the second rubber sleeve through the second connecting rod, so that the blocking sleeve is extruded, and the purpose of sealing the pipeline is further achieved.
Furthermore, a limiting block for preventing the first extrusion part from sliding down is fixedly connected to the sliding rod. Prevent first extruded article landing through setting up the stopper, avoid the trouble of reassembly.
Furthermore, a plurality of limiting holes are formed in the circumferential surface of the rotary table, and telescopic rods capable of being inserted into the limiting holes to limit the rotary table are fixedly connected to the plugs. Carry on spacingly through setting up the telescopic link to the carousel, avoid the screw rod to receive the resilience effect of first rubber sleeve, second rubber sleeve and block rubber to take place to revolve to the expansion force that leads to blocking up the cover leads to pipeline shutoff effect to reduce inadequately.
Further, the rubber block is provided with a fillet, and the radius of the fillet is 2 mm. The fillet is arranged to facilitate the relative movement between the rubber plugging block and the inner wall of the pipeline.
Further, the diameter of the rubber block is 5mm larger than that of the blocking sleeve. The diameter of the rubber block is larger than that of the blocking sleeve, so that the blocking sleeve can be effectively blocked by the resilience of the rubber block.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows a cross-sectional view of a pipeline safety plugging device for oil and gas pipeline welding according to an embodiment of the application;
fig. 2 shows a schematic diagram of a part a of a pipeline safety plugging device for oil and gas pipeline welding according to an embodiment of the application.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a pipeline 1, a plug 2, a plug sleeve 3, a screw rod 4, a sliding block 5, a sliding rod 6, a rubber block 7, a first extrusion piece 8, a first installation disc 801, a first rubber sleeve 802, a first connecting rod 803, a second extrusion piece 9, a second installation disc 901, a second rubber sleeve 902 and a second connecting rod 903.
A pipeline safety plugging device for oil and gas pipeline welding is disclosed, and an embodiment is shown in figures 1 and 2: the pipe joint comprises a plug 2 for plugging a pipeline 1 and a plug sleeve 3 arranged between the pipeline 1 and the plug 2, wherein a flange plate is welded on the pipeline 1, the flange plate, the plug sleeve 3 and the plug 2 are in threaded connection through 8M 12 bolts, a threaded hole is formed in the center of the plug 2, a screw rod 4 is in threaded connection with the threaded hole, the left end of the screw rod 4 penetrates through the plug 2 and extends into the plug sleeve 3, a rubber block 7 and an extrusion component for extruding the plug sleeve 3 are sequentially in threaded connection from right to left, the rubber block 7 is provided with a circular angle, the radius of the circular angle is 2mm, a plurality of springs are embedded in the rubber block 7, the elasticity of the rubber block 7 is increased, the circular angle is arranged to facilitate relative movement between the rubber block 7 and the inner wall of the pipeline 1, the diameter of the rubber block 7 is larger than 5mm of the diameter of the plug sleeve 3, the plug sleeve 3 is effectively plugged by utilizing the self resilience performance of the rubber block 7, and the right end of the screw rod 4 is fixedly connected with a turntable, the circumferential surface of the rotary table is provided with 8 limiting holes, the right side of the plug 2 is fixedly connected with a telescopic rod which can be inserted into the limiting holes to limit the rotary table, the telescopic rod limits the rotary table, the screw rod 4 is prevented from rotating under the action of torsional springback, so that the blocking effect of the pipeline 1 is reduced due to insufficient expansion force of the blocking sleeve 3, the screw rod 4 is in threaded connection with a sliding block 5, an extrusion component comprises a sliding rod 6 which is rotatably connected onto the screw rod 4, a first extrusion part 8 which is slidably connected onto the sliding rod 6 and a second extrusion part 9 which is fixedly connected onto the left end of the sliding rod 6, 8 first connecting rods 803 are uniformly hinged between the circumferential end of the first extrusion part 8 and the sliding block 5, 8 second connecting rods 903 are uniformly hinged between the circumferential end of the second extrusion part 9 and the first extrusion part 8, the first extrusion part 8 comprises a first mounting disc 801 which is slidably connected onto the sliding rod 6, and the circumferential surface of the first mounting disc 801 is provided with an annular groove, the annular groove sliding seal is connected with first rubber sleeve 802, first rubber sleeve 802 week end stretches out first mounting disc 801 and articulates with first connecting rod 803, second extruded article 9 includes sliding connection second mounting disc 901 on slide bar 6, open on the global of second mounting disc 901 has the annular groove, annular groove sliding seal is connected with second rubber sleeve 902, second rubber sleeve 902 week end stretches out second mounting disc 901 and articulates with second connecting rod 903, slider 5 is articulated through first connecting rod 803 with first rubber sleeve 802, first mounting disc 801 is articulated through second connecting rod 903 with second rubber sleeve 902, fixedly connected with prevents the extruded article of the stopper of first 8 landing on the slide bar 6.
In the implementation process of the utility model, the plugging sleeve 3 which is matched with the inner diameter of the pipeline 1 is inserted into the pipeline 1, the rubber block 7 and the extrusion component are installed, the screw rod 4 penetrates through the plug 2, the right end of the screw rod 4 is provided with the rotary table, the flange plate, the plugging sleeve 3 and the plug 2 are connected through the bolt threads, the rotary table is rotated to drive the screw rod 4 to rotate, the screw rod 4 moves rightwards to drive the rubber block 7 to move rightwards, the rubber block 7 can effectively return under the limiting action of the plug 2, the rubber block 7 exerts acting force on the plugging sleeve 3 to seal the pipeline 1, meanwhile, in the process that the screw rod 4 moves rightwards, the slide block 5 also moves along with the screw rod 4, the slide block 5 moves rightwards to exert acting force on the peripheral end of the first rubber sleeve 802 through the first connecting rod 803, so that the first extrusion piece 8 extrudes the plugging sleeve 3, simultaneously first extruded article 8 moves on slide bar 6 and drives second connecting rod 903 to apply the effort to second rubber sleeve 902 week end, extrude stifled cover 3 simultaneously through first extruded article 8 and second extruded article 9, can carry out the shutoff to pipeline 1 better, the shutoff effect is better, when block rubber 7, first extruded article 8 and second extruded article 9 are all when extruding stifled cover 3 simultaneously, the stall carousel, through the pulling telescopic link, the right-hand member that makes the telescopic link stretches into in the spacing hole of carousel, it is spacing to carry out the carousel, avoid screw rod 4 to receive first rubber sleeve 802, the resilience effect of second rubber sleeve 902 and block rubber 7 takes place the gyration, thereby lead to leading to the expansion force to stifled cover 3 not enough to lead to pipeline 1 shutoff effect to reduce.
Compared with the prior art, the pipeline 1 plugging device has the advantages that the rubber block 7, the first extrusion piece 8, the second extrusion piece 9 and the like are arranged, the rotary table is manually rotated to drive the rubber block 7, the first extrusion piece 8 and the second extrusion piece 9 to deform so as to plug the plugging sleeve 3, the pipeline 1 cannot be damaged, the structure is simple, the practicability is high, the installation and the disassembly are convenient, and the problems that the traditional pipeline 1 plugging method adopts blind plate welding plugging, the pipeline 1 cannot be damaged to a certain extent in the installation and disassembly processes, and the subsequent pipeline 1 installation is inconvenient are solved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a be used for oil gas pipeline welded pipeline safety plugging device which characterized in that: the device comprises a plug for plugging a pipeline and a plug sleeve arranged between the pipeline and the plug, wherein a screw rod is in threaded connection with the plug, one end of the screw rod penetrates through the plug and extends into the plug sleeve, a rubber block and an extrusion component for extruding the plug sleeve are sequentially in threaded connection with the plug sleeve, the other end of the screw rod is fixedly connected with a rotary table, and a sliding block is in threaded connection with the screw rod;
the extrusion component is including rotating the first extruded article and the second extruded article of rigid coupling at the slide bar free end of slide bar of connection slide bar, sliding connection on the screw rod, and it has a plurality of first connecting rods to articulate between first extruded article week end and the slider, and it has a plurality of second connecting rods to articulate between second extruded article week end and the first extruded article.
2. The pipeline safety blocking device for welding the oil and gas pipeline according to claim 1, wherein the first extrusion piece comprises a first mounting disc which is connected to the sliding rod in a sliding mode, an annular groove is formed in the peripheral surface of the first mounting disc, a first rubber sleeve is connected to the annular groove in a sliding and sealing mode, and the peripheral end of the first rubber sleeve extends out of the first mounting disc and is hinged to the first connecting rod.
3. The pipeline safety blocking device for welding the oil and gas pipeline according to claim 2, wherein the second extrusion piece comprises a second mounting disc fixedly connected to the sliding rod, an annular groove is formed in the peripheral surface of the second mounting disc, a second rubber sleeve is connected to the annular groove in a sliding and sealing mode, and the peripheral end of the second rubber sleeve extends out of the second mounting disc and is hinged to the second connecting rod.
4. The pipeline safety plugging device for welding the oil and gas pipeline according to claim 1, wherein a limiting block for preventing the first extrusion part from sliding down is fixedly connected to the sliding rod.
5. The pipeline safety plugging device for oil and gas pipeline welding of claim 3, wherein a plurality of limiting holes are formed on the circumferential surface of the turntable, and a telescopic rod capable of being inserted into the limiting holes to limit the turntable is fixedly connected to the plug.
6. The pipeline safety plugging device for oil and gas pipeline welding of claim 1, wherein the rubber block is provided with a fillet, and the radius of the fillet is 2 mm.
7. The pipeline safety plugging device for oil and gas pipeline welding of claim 6, wherein the diameter of the rubber block is greater than the diameter of the plugging sleeve by 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348857.0U CN216280060U (en) | 2021-09-27 | 2021-09-27 | Pipeline safety plugging device for oil and gas pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348857.0U CN216280060U (en) | 2021-09-27 | 2021-09-27 | Pipeline safety plugging device for oil and gas pipeline welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216280060U true CN216280060U (en) | 2022-04-12 |
Family
ID=81066565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122348857.0U Expired - Fee Related CN216280060U (en) | 2021-09-27 | 2021-09-27 | Pipeline safety plugging device for oil and gas pipeline welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216280060U (en) |
-
2021
- 2021-09-27 CN CN202122348857.0U patent/CN216280060U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |