CN112253850A - Submarine pipeline seals maintenance of equipment - Google Patents
Submarine pipeline seals maintenance of equipment Download PDFInfo
- Publication number
- CN112253850A CN112253850A CN202011006861.2A CN202011006861A CN112253850A CN 112253850 A CN112253850 A CN 112253850A CN 202011006861 A CN202011006861 A CN 202011006861A CN 112253850 A CN112253850 A CN 112253850A
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- China
- Prior art keywords
- sleeve
- maintenance
- wire rope
- pipeline
- sealing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/26—Repairing or joining pipes on or under water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Abstract
The invention relates to the technical field of pipeline maintenance, and discloses a submarine pipeline sealing maintenance device which comprises a maintenance steel sleeve, wherein a sealing sleeve is fixedly arranged on the inner surface of the maintenance steel sleeve, mounting holes are formed in the upper end and the lower end of the sealing sleeve, connecting bolts are movably sleeved at the upper end and the lower end of the maintenance steel sleeve through the mounting holes, and a tension rope is integrally formed inside the sealing sleeve. This submarine pipeline seals maintenance of equipment, through integrated into one piece's in the sealing boot tensile rope and pivot winding, make the pivot rotatory back, the tensile rope is twined, the sealing boot is taut, sealing boot after the tensioning is inseparabler with the pipeline outer wall contact, the sea water in gap between sealing boot and the pipeline is discharged fully, make the sealant of follow-up injection can not diluted, and the tensile rope injects the sealant after relaxing, make the tensile rope taut again after filling up the sealant, the sealant can be quick reach in the gap that the pipeline damaged this moment, damage the gap and fill rapidly and completely, make equipment repair effectual.
Description
Technical Field
The invention relates to the technical field of pipeline maintenance, in particular to a submarine pipeline sealing maintenance device.
Background
With the rapid development of the marine oil industry in China, newly developed offshore oil and gas fields increase year by year, the total length of a submarine pipeline also increases day by year, the damage condition of the submarine pipeline also increases year by year with the increase of the total length of the submarine pipeline, the damage of the submarine pipeline is mainly caused by pipeline suspension, mechanical damage and internal and external corrosion, small holes or small cracks leak after the submarine pipeline is locally damaged, and the submarine pipeline can be repaired by using a bolt connection type steel maintenance sleeve.
In the existing bolt connection type steel maintenance sleeve, pressure in the steel sleeve is discharged through installation and extrusion, and then sealant is injected to realize sealing; and the existing equipment needs the manual work to scrape off the attachments adhered to the pipe wall before installation, and the scraping effect is poor and easy to scrape off incompletely, so that the sealing effect is poor, and further the sealant is leaked and cannot be sealed.
Disclosure of Invention
The invention provides a submarine pipeline sealing maintenance device which has the advantages of better repairing effect and complete pipeline surface decontamination, and solves the problems of poor sealing effect due to sealant dilution and incomplete sludge manual scraping.
The invention provides the following technical scheme: a submarine pipeline sealing maintenance device comprises a maintenance steel sleeve, wherein a sealing sleeve is fixedly installed on the inner surface of the maintenance steel sleeve, mounting holes are formed in the upper end and the lower end of the sealing sleeve, connecting bolts are movably sleeved at the upper end and the lower end of the maintenance steel sleeve, a tension rope is integrally formed in the sealing sleeve, a support is integrally formed at the upper end and the lower end of the maintenance steel sleeve, a rotating shaft is sleeved on the middle portion of the support in a threaded manner, the tension rope is fixedly sleeved on the rotating shaft, a threaded frame is integrally formed on the outer surface of the maintenance steel sleeve, a threaded shaft is sleeved on the inner portion of the threaded frame, a fixed sleeve is fixedly installed at one end of the threaded shaft, a first separation sleeve is fixedly installed at one side of the middle portion of the fixed sleeve, a second separation sleeve is fixedly installed at the other side of the middle portion of the fixed sleeve, and a movable sleeve rod, a first steel wire rope is wound between the left end of the fixed sleeve and the first separation sleeve, a second steel wire rope is wound between the first separation sleeve and the second separation sleeve, the first steel wire rope and the second steel wire rope extend to the lower surface of the other end of the movable sleeve rod, a knot is tightly connected to the lower surface of the other end of the movable sleeve rod after the first steel wire rope and the second steel wire rope stretch to the lower surface of the other end of the movable sleeve rod through a circle of.
Preferably, the inner arc surface of the sealing sleeve is provided with a negative pressure groove.
Preferably, the threaded frames are provided with two threads on the outer surface of each sealing sleeve, and the extension lines of the two threaded frames are vertically staggered.
Preferably, the mounting hole is in a long-strip hole shape, and the tensioning ropes are distributed and staggered with the mounting hole.
Preferably, the winding direction of the first steel wire rope is opposite to that of the second steel wire rope, the first steel wire rope is separated under the rotation of the threaded shaft, and the second steel wire rope is continuously wound.
Preferably, the diameter of the maintenance steel sleeve is larger in the middle and smaller in two sides.
The invention has the following beneficial effects:
1. this submarine pipeline seals maintenance of equipment, through integrated into one piece's in the sealing boot tensile rope and pivot winding, make the pivot rotatory back, the tensile rope is twined, the sealing boot is taut, sealing boot after the tensioning is inseparabler with the pipeline outer wall contact, the sea water in gap between sealing boot and the pipeline is discharged fully, make the sealant of follow-up injection can not diluted, and the tensile rope injects the sealant after relaxing, make the tensile rope taut again after filling up the sealant, the sealant can be quick reach in the gap that the pipeline damaged this moment, damage the gap and fill rapidly and completely, make equipment repair effectual.
2. This submarine pipeline seals maintenance of equipment, through a plurality of screw thread framves of mutually perpendicular and the installation of screw thread axle screw thread, activity loop bar activity suit can go deep into in the middle of seal cover and the pipeline, wire rope one is different with two winding directions of wire rope, when the screw thread axle is rotatory outwards moved, wire rope one unwrapping wire rope two is received the line, wire rope one around pipeline half-turn is connected with two straining of wire rope, make wire rope one at the vertical and horizontal simultaneous movement of the surface of pipeline, four not equidirectional wire rope one and pipeline contact, make the pipeline outer wall scrubbing complete.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic view of a half-section structure of the sealing sleeve of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. repairing the steel sleeve; 2. sealing sleeves; 3. a connecting bolt; 4. a negative pressure tank; 5. stretching the rope; 6. a support; 7. a rotating shaft; 8. a threaded rack; 9. a threaded shaft; 10. fixing a sleeve; 11. a first separation sleeve; 12. a second separation sleeve; 13. a movable loop bar; 14. a first steel wire rope; 15. a second steel wire rope; 16. tying; 17. mounting holes; 18. and a sealant injection port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a submarine pipeline sealing maintenance device comprises a maintenance steel sleeve 1, a sealing sleeve 2 is fixedly installed on the inner surface of the maintenance steel sleeve 1, mounting holes 17 are formed at the upper end and the lower end of the sealing sleeve 2, a connecting bolt 3 is movably sleeved at the upper end and the lower end of the maintenance steel sleeve 1 through the mounting holes 17, a tension rope 5 is integrally formed inside the sealing sleeve 2, a bracket 6 is integrally formed at the upper end and the lower end of the maintenance steel sleeve 1, a rotating shaft 7 is sleeved at the middle part of the bracket 6 by screw threads, the tension rope 5 is fixedly sleeved with the rotating shaft 7, a screw thread frame 8 is integrally formed on the outer surface of the maintenance steel sleeve 1, a screw thread shaft 9 is sleeved at the inner part of the screw thread frame 8, a fixed sleeve 10 is fixedly installed at one end of the screw shaft 9, a separation sleeve 11 is fixedly installed at one side of the middle part of the fixed sleeve 10, a separation sleeve 12 is fixedly installed at the, a first steel wire rope 14 is wound between the left end of the fixed sleeve 10 and the first separation sleeve 11, a second steel wire rope 15 is wound between the first separation sleeve 11 and the second separation sleeve 12, the first steel wire rope 14 and the second steel wire rope 15 extend to the lower surface of the other end of the movable sleeve rod 13 and are fixedly connected with a tying 16 after being wound for one circle, and a sealant injection port 18 is formed in the front of the sealing sleeve 2.
Wherein, negative pressure groove 4 has been seted up to the intrados of seal cover 2, through the negative pressure groove 4 of seting up for seal cover 2 is after the tensile extrusion of maintenance steel bushing 1 installation extrusion and tension rope 5, pours into the sealant into from sealant filling opening 18, can store in negative pressure groove 4, makes the sealant between pipeline outer wall and the seal cover 2 more, can submerge the gap and reach complete sealing.
Wherein, the screw thread frame 8 is provided with two at the surface of seal cover 2 separately, and two 8 extension lines of screw thread frame are crisscross perpendicularly, through the screw thread frame 8 that sets up for behind two 2 concatenations of seal covers, four screw thread frames 8 are the plumb line and are crisscross, and wire rope 14 is complete around the pipeline with wire rope two 15, can be with the complete scrubbing of pipeline surface when shifting out, guarantees the equipment fixing leakproofness.
Wherein, mounting hole 17 is rectangular poroid, and the tensioning rope 5 is the distributing type and arranges crisscross with mounting hole 17, and is tensile through the winding of pivot 7 to tensioning rope 5 for seal cover 2 is strained, makes seal cover 2 more hug closely the pipeline, and sealing performance is better, and seal cover 2 after the drawing can not be blockked by connecting bolt 3 under the shape fit of mounting hole 17, and is intact tensile, promotes the extrusion exhaust effect of seal cover 2.
The winding directions of the first steel wire rope 14 and the second steel wire rope 15 are opposite, the first steel wire rope 14 is separated under the rotation of the threaded shaft 9, the second steel wire rope 15 is continuously wound, the first steel wire rope 14 and the second steel wire rope 15 are connected at the other end of the movable sleeve rod 13 and then are in fastening contact with the pipeline, the first steel wire rope 14 and the second steel wire rope 15 are in contact with the pipeline after the threaded shaft 9 rotates, and when dirt is removed by horizontal movement, dirt is removed by longitudinal movement, and the dirt removing effect of equipment is good.
Wherein, the big both sides in diameter middle part of maintenance steel bushing 1 are little, and diameter through maintenance steel bushing 1 changes the setting for the rivers of the direct impact of sea water flow are led both sides, reduce rocking of pipeline, prevent the pipeline collision damage.
The working principle of the submarine pipeline maintenance equipment is as follows:
the working personnel dive, find the damaged position of the pipeline, clamp the maintenance steel sleeve 1 on the pipeline, loose the connection through the connecting bolt 3, the gland bush 2 and the pipeline leave the interval at this moment, the movable loop bar 13 is in the interval, tighten the first wire rope 14 and the second wire rope 15 to connect the tie 16 around the pipeline, then rotate the threaded spindle 9, the threaded spindle 9 moves to the left side, the first wire rope 14 pays off the second wire rope 15 to take up, the first wire rope 14 moves longitudinally and transversely on the pipeline surface, decontaminate the pipeline surface, after the threaded spindle 9 is disengaged, fasten the connecting bolt 3, make the gland bush 2 extrude with the pipeline, discharge the sea water in the maintenance steel sleeve 1, rotate the spindle 7 to twine and draw the rope 5, make the gland bush 2 tensed, further discharge the sea water, after the spindle 7 is loosened in reversal, inject the sealant through the sealant filling opening 18, the sealant is filled in the negative pressure groove 4, and rotating the rotating shaft 7 again to wind the tension rope 5, so that the sealing sleeve 2 is tensioned, and the sealant is squeezed into the pipeline gap to finish pipeline repair.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A submarine pipeline seals maintenance equipment, includes maintenance steel bushing (1), its characterized in that: the inner surface of the maintenance steel sleeve (1) is fixedly provided with a sealing sleeve (2), the upper end and the lower end of the sealing sleeve (2) are provided with mounting holes (17), the upper end and the lower end of the maintenance steel sleeve (1) are movably sleeved with connecting bolts (3) through the mounting holes (17), the inner part of the sealing sleeve (2) is integrally formed with a tension rope (5), the upper end and the lower end of the maintenance steel sleeve (1) are integrally formed with a support (6), the middle part of the support (6) is sleeved with a rotating shaft (7), the tension rope (5) is fixedly sleeved with the rotating shaft (7), the outer surface of the maintenance steel sleeve (1) is integrally formed with a threaded rack (8), the inner thread of the threaded rack (8) is sleeved with a threaded shaft (9), one end of the threaded shaft (9) is fixedly sleeved with a fixed sleeve (10), one side of the middle part of the fixed sleeve (10) is provided with a separation sleeve, the fixed cover of opposite side at fixed cover (10) middle part is equipped with and separates cover two (12), movable sleeve is equipped with movable loop bar (13) between the right-hand member of fixed cover (10) and the separation cover two (12), the winding has wire rope one (14) between the left end of fixed cover (10) and the separation cover one (11), the winding has wire rope two (15) between separation cover one (11) and the separation cover two (12), wire rope one (14) and wire rope two (15) extend to the other end lower surface of movable loop bar (13) around the fastening connection behind the pipeline round have knot (16), the front of seal cover (2) is provided with sealant filling opening (18).
2. The subsea pipeline seal servicing apparatus of claim 1, wherein: and a negative pressure groove (4) is formed in the inner arc surface of the sealing sleeve (2).
3. The subsea pipeline seal servicing apparatus of claim 1, wherein: the outer surface of each sealing sleeve (2) of each thread frame (8) is provided with two thread frames (8), and the extension lines of the two thread frames (8) are vertically staggered.
4. The subsea pipeline seal servicing apparatus of claim 1, wherein: the mounting hole (17) is rectangular poroid, the stay cord (5) are the distributing type and arrange and crisscross with mounting hole (17).
5. The subsea pipeline seal servicing apparatus of claim 1, wherein: the winding directions of the first steel wire rope (14) and the second steel wire rope (15) are opposite, the first steel wire rope (14) is separated under the rotation of the threaded shaft (9), and the second steel wire rope (15) is continuously wound.
6. The subsea pipeline seal servicing apparatus of claim 1, wherein: the middle of the diameter of the maintenance steel sleeve (1) is large, and the two sides of the diameter of the maintenance steel sleeve are small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006861.2A CN112253850B (en) | 2020-09-23 | 2020-09-23 | Submarine pipeline seals maintenance of equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006861.2A CN112253850B (en) | 2020-09-23 | 2020-09-23 | Submarine pipeline seals maintenance of equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112253850A true CN112253850A (en) | 2021-01-22 |
| CN112253850B CN112253850B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011006861.2A Active CN112253850B (en) | 2020-09-23 | 2020-09-23 | Submarine pipeline seals maintenance of equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900893A (en) * | 2012-10-25 | 2013-01-30 | 中国海洋石油总公司 | Plugging device and plugging method for annular space of submarine double-layer oil conveying pipe |
| CN202852198U (en) * | 2012-10-25 | 2013-04-03 | 中国海洋石油总公司 | Plugging device for annular space of undersea double-layer oil pipeline |
| CN203131213U (en) * | 2013-03-25 | 2013-08-14 | 深圳市德润青华水下工程科技股份有限公司 | Special submarine pipeline plugging device for ROV |
| CN106015826A (en) * | 2016-06-26 | 2016-10-12 | 杨越 | Pipeline maintenance sleeve assembly carried by unmanned ship |
| CN106979383A (en) * | 2017-05-24 | 2017-07-25 | 中国石油大学(北京) | Submarine pipeline defect repair instrument |
| CN108087657A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sea-bottom oil-gas pipeline fixture |
| US20180274697A1 (en) * | 2015-10-02 | 2018-09-27 | Subsea 7 Limited | Repairing or Coating Subsea Pipelines |
-
2020
- 2020-09-23 CN CN202011006861.2A patent/CN112253850B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900893A (en) * | 2012-10-25 | 2013-01-30 | 中国海洋石油总公司 | Plugging device and plugging method for annular space of submarine double-layer oil conveying pipe |
| CN202852198U (en) * | 2012-10-25 | 2013-04-03 | 中国海洋石油总公司 | Plugging device for annular space of undersea double-layer oil pipeline |
| CN203131213U (en) * | 2013-03-25 | 2013-08-14 | 深圳市德润青华水下工程科技股份有限公司 | Special submarine pipeline plugging device for ROV |
| US20180274697A1 (en) * | 2015-10-02 | 2018-09-27 | Subsea 7 Limited | Repairing or Coating Subsea Pipelines |
| CN106015826A (en) * | 2016-06-26 | 2016-10-12 | 杨越 | Pipeline maintenance sleeve assembly carried by unmanned ship |
| CN106979383A (en) * | 2017-05-24 | 2017-07-25 | 中国石油大学(北京) | Submarine pipeline defect repair instrument |
| CN108087657A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sea-bottom oil-gas pipeline fixture |
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| Publication number | Publication date |
|---|---|
| CN112253850B (en) | 2022-10-14 |
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Effective date of registration: 20220926 Address after: Room 2509, Taoxiaojinhua Building, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen Tengyue Intellectual Property Service Co.,Ltd. Address before: 621000 group 1, Jianxiao village, Xujia Town, Youxian District, Mianyang City, Sichuan Province Applicant before: Li Mingxiu |
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Effective date of registration: 20230530 Address after: No. 18-1 Zhanghong Road, Haizhou District, Lianyungang City, Jiangsu Province, 222000 Patentee after: LIANYUNGANG ZHUBANG PETROCHEMICAL EQUIPMENT Co.,Ltd. Address before: Room 2509, Taoxiaojinhua Building, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Tengyue Intellectual Property Service Co.,Ltd. |
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