CN105736895A - Rapid repairing connection device for off-center adjustable type submarine pipeline - Google Patents
Rapid repairing connection device for off-center adjustable type submarine pipeline Download PDFInfo
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- CN105736895A CN105736895A CN201610319504.9A CN201610319504A CN105736895A CN 105736895 A CN105736895 A CN 105736895A CN 201610319504 A CN201610319504 A CN 201610319504A CN 105736895 A CN105736895 A CN 105736895A
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- ring
- tuningout
- sealing
- pipeline
- primary seal
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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
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
Abstract
The invention provides a rapid repairing connection device for an off-center adjustable type submarine pipeline, which is applied to repairing connection work for replacement of a submarine pipeline underwater. The connection device is formed by organically combining a plurality of types of sealing technologies including metal, non-metal and the like, so that the sealing between the connection device and the pipeline is guaranteed. An off-center adjusting device realizes off-center adjustment of the submarine pipeline through spherical match of an off-center adjusting body and an off-center adjusting seat and the common effect of all spherical gaskets, and the sealing between the connection device and the newly replaced pipeline is realized by adopting the sealing of an O-shaped sealing ring and the sealing of a metal ring; a propelling body is used for axially propelling and extruding each metal ring and each metal loop of a main sealing device, so that the sealing between the connection device and a prefabricated loop surface of a cutting pipeline, and the sealing between the propelling body and the main sealing device are realized; automatic positioning of the connection device is realized by a positioning device according to a locking mechanism, and an auxiliary sealing box realizes the fixing and sealing between the connection device and an original loop surface of the cutting pipeline by adopting the sealing of packing and the sealing of the O-shaped sealing ring, so that the connection device has the characteristics of short repairing time, low working intensity and the like.
Description
Technical field
The present invention relates to and quickly repair connecting device when leakage or damage occur for a kind of ocean engineering field submarine pipeline, particularly relate to a kind of to there is eccentric deviation adjustable type when changing submarine pipeline under water and quickly repair connecting device.
Background technology
Submarine pipeline plays an important role in the production of hydrocarbons in ocean engineering field, offshore platform is connected into an organic whole with platform, offshore platform and land terminal and offshore platform and FPSO (Floating Production oil storage easing gear) etc. by it, it is responsible for the oil gas media such as Oil/gas Well Produced Liquid, qualified crude oil, associated gas outer defeated, the important production task such as chemical agent conveying and water filling.Submarine pipeline is due to the particularity of its seabed operating mode running environment, there is practical situations such as having a big risk, failure probability is high, once leak, not only cause the waste of marine environmental pollution, petroleum resources and oil field to produce to interrupt, and can to downstream and terminal use normal produces and life adversely affects.
For concrete submarine pipeline damage type, pipe clamp leak stopping, composite reinforcement and three kinds of Main Means of pipeline section replacing under water can be taked at present, pipe clamp leak stopping recovery technique adopts mechanical type closure, have an advantage in that enforcement is simple, duty cycle is short, can be used for the pipe leakage that the reasons such as burn into mother metal defect, crackle cause, but once submarine pipeline serious damage occurs or has moderate finite deformation, this technology is just difficult to effectively block reparation.Composite reinforcement recovery technology, such as materials such as note epoxy resin, the body of submarine pipeline is easily produced impact failure by this recovery technique, and injecting equipment itself is complicated huge, and on-the-spot material makes and underwater operation complex process, is unfavorable for the quick reparation of submarine pipeline.The technology of pipeline section Replacement and Repair under water is characterized in applied widely, the various forms of submarine pipeline breakage reparations such as corrosion or fracture can be completed, but the production technology that shortcoming is reparation this key spare parts of mechanical connector rests in external specialized company hands always, domestic but without forming corresponding research and development and production technology ability, its external order cycle time dean.
Summary of the invention
In order to effectively solve the quick reparation problem of submarine pipeline and overcome existing recovery technique and equip the defect and deficiency that exist, that changes pipeline section when it is an object of the invention to provide the generation leakage of a kind of applicable submarine pipeline or damage under water quickly repairs connecting device.This is quickly repaired connecting device and adopts metal and the multiple Sealing Technology such as nonmetal to organically combine, ensure connecting device and the fixing of pipeline enclosure and sealing, and the retaining mechanism of the special tectonic of foundation sphere deviation adjustable type and localizer, realize in repair being automatically positioned of the eccentric adjusting between submarine pipeline and connecting device, possess the features such as simple to operate, repair time is short, operation intensity is low.
The technical solution adopted for the present invention to solve the technical problems is that connecting device quickly repaired by a kind of deviation adjustable type submarine pipeline of exploitation, is made up of device for adjusting deviation, pushing body, primary seal device, localizer and auxiliary seal box successively from top to down.Device for adjusting deviation couples with the new submarine pipeline changed, and primary seal device, localizer and auxiliary seal box with cutting after pipe end be fixed, in repair, this quickly repair connecting device first pass through tuningout body of device for adjusting deviation prefabricated with the new submarine pipeline changed welding together with, be then carried out lifting lower water and carrying out underwater mating with the submarine pipeline pipe end after cutting；Then pass through the combined effect of the mating spherical surfaces between device for adjusting deviation tuningout body and tuningout seat and each spherical washer, complete newly to change the eccentric adjusting of pipeline and cutting pipeline enclosure, and quickly screw each tuningout bolt, relying on the clamping pressure that tuningout body transmits, upper zero RunddichtringO and upper hexagonal metallic ring are deformed and form zero RunddichtringO sealing and metal loop seals；Then moving axially whole quick reparation connecting device along pipeline, the lock pin in device retaining mechanism to be positioned completes connecting device location on cutting pipeline after slipping into the ring-shaped groove cutting pipe prefabrication；What then screw localizer respectively clamps stud, relies on the thrust that locating bodies transmits, and trapezoidal quoit moves axially and is progressively deformed with after cutting pipe prefabrication anchor ring laminating, forms trapezoidal quoit and seals；Followed by screwing pushing body respectively advances stud, successively extruding rectangular metal circle, cone-shaped metal circle and lower hexagonal metallic ring be deformed, and form quoit and seal and metal loop seals；What finally screw auxiliary seal box respectively regulates stud, extrudes packing by gland and is deformed, and forming packing seal, the final connection realizing new replacing pipeline and cutting pipeline enclosure.
This quickly repairs connecting device global design is heavy wall tubular revolving body structure, the material of its critical piece all keeps consistent with the new material changing pipeline and cutting pipeline, it adopts the multiple Sealing Technology of the metal sealing such as quoit and becket and the nonmetal sealing such as the sealing of zero RunddichtringO and packing seal to organically combine simultaneously, reaches the sealing effectiveness of the best to learn from other's strong points to offset one's weaknesses.Wherein, quoit Sealing Technology includes rectangular metal circle, cone-shaped metal circle and trapezoidal quoit, rectangular metal circle, cone-shaped metal circle and trapezoidal quoit from top to bottom sequentially coaxially the heart be arranged in cutting pipe prefabrication anchor ring on and its inner surface diameter be all higher than cutting pipe prefabrication anchor ring diameter, each quoit is internally provided with equally distributed tinsel and its outer wrap has tinsel, the material of each quoit body all adopts the metal that intensity is high and heat resistance is strong, material wiry all selects monel metal, the material of tinsel is then all identical with the material of submarine pipeline.
Metal loop seals technology includes hexagonal metallic ring and lower hexagonal metallic ring, upper hexagonal metallic ring is containing about two the hexagonal metallic rings being arranged in parallel, and lower hexagonal metallic ring only has one and places with each upper hexagonal metallic ring concentric, the cross section of each becket is all in Long Hexagon, the centrage in the lower elongated cross section of hexagonal metallic ring is paralleled with the axis of submarine pipeline, and the centrage in each elongated cross section of upper hexagonal metallic ring then all meets at same point with the axis of submarine pipeline；Each becket adopts crude metal ring body, and the material of its becket body all adopts the metal that intensity is high and heat resistance is strong, is all enclosed with tinsel outside each becket, and the material of tinsel is all identical with the material of submarine pipeline.
Zero RunddichtringO Sealing Technology includes zero RunddichtringO and lower zero RunddichtringO, and the material of each zero RunddichtringO all selects corrosion-resistant and high-temperature resistant sizing material；The filler of packing seal technology adopts annular packing, and its cross section is rectangle, and packing is woven by the carbon fibre of preimpregnation ptfe emulsion and forms.
Device for adjusting deviation realizes the eccentric adjusting between submarine pipeline according to the combined effect of the mating spherical surfaces between tuningout body and tuningout seat and each spherical washer, and adopt upper zero RunddichtringO and upper hexagonal metallic ring to seal and metal loop seals to form zero RunddichtringO, realizing connecting device and the new sealing changing pipeline enclosure, it includes tuningout body, tuningout seat, upper zero RunddichtringO, upper hexagonal metallic ring and spherical washer.Tuningout body will quickly repair connecting device together with new replacing pipe prefabrication by welding, it adopts the structure that column-shaped barrel and spherical cylinder combine, the wall thickness of tuningout body top column-shaped barrel is identical with the wall thickness of new replacing pipeline and cutting pipeline, and the small end disc diameter of its underpart spherical cylinder Internal Spherical Surface and spherical outside surface is equal with the new internal diameter changing pipeline and cutting pipeline and external diameter respectively, concentric and inside and outside spherical surface the centre of sphere of the inside and outside spherical surface of the spherical cylinder of tuningout body is respectively positioned on the axis of device for adjusting deviation simultaneously, and the spherical outside surface of this outer spherical cylinder carries out anticorrosion and process of spraying paint.
The body internal surface of tuningout seat adopts the inner surface diameter of the face of cylinder and its body equal to the new internal diameter changing pipeline, the outer ring surface of its body then adopts Surface of Sphere, the Internal Spherical Surface of this Surface of Sphere and the spherical cylinder of tuningout body all carries out precise finiss process, and two sphere remain concentric and constitute mating spherical surfaces, sphere between tuningout body and tuningout seat combine band axial length need to more than 1/2nd of tuningout seat Surface of Sphere height, to ensure sealing higher therebetween.The Surface of Sphere of tuningout seat is from top to bottom provided with the ring-shaped groove of layered arrangement, three layers altogether, each layer ring-shaped groove is all along the Surface of Sphere slant setting of tuningout seat, and the conical point of its centrage place conical surface all keeps concentric with the centre of sphere of tuningout inside and outside sphere and tuningout seat Surface of Sphere, identical and that all employing rectangle and isosceles trapezoid the combine shape in the cross section of tuningout seat upper two layers ring-shaped groove, upper hexagonal metallic ring is configured successively in it, and the cross section of tuningout seat orlop ring-shaped groove adopts rectangle, in it, configure upper zero RunddichtringO.
Tuningout body is respectively provided with the surrounding of plate-like flange and its plate-like flange and processes the tuningout screw having specification size identical with the lower end of tuningout seat, the bottom of tuningout body tuningout screw and the top of tuningout seat tuningout screw are designed with the hole wall of cone, each tuningout bolt all adopts spherical washer, and be respectively implanted in the groove of tuningout body tuningout screw top and tuningout seat tuningout screw bottom, and complete tuningout body and the connection of tuningout seat.Thus, when new replacing pipeline and cutting pipeline enclosure produce eccentric, by adjusting the spherical washer of each tuningout bolt, and rely on the side force between tuningout body and tuningout seat and mating spherical surfaces thereof from Row sum-equal matrix, and reach the purpose of submarine pipeline eccentric adjustment.
Each quoit and the becket that pushing body is used for realizing axially propelling and extrudes primary seal device.The upper surface of pushing body is connected by the plate-like flange welded with device for adjusting deviation tuningout seat, the middle part simultaneously advancing body is also equipped with plate-like flange, and by advancing stud to realize coupling between pushing body with primary seal device, and the plate-like flange lower surface of pushing body arranges ring-shaped groove, the cross section of this ring-shaped groove is isosceles trapezoid.The inner surface of pushing body adopts ladder surface of revolution structure, and the diameter of its inner surface top cylinder is equal with the new internal diameter changing pipeline, the diameter of inner surface bottom cylinder then with the equal diameters cutting pipe prefabrication anchor ring.The bottom processing of pushing body outer ring surface has the annular groove of layered arrangement, is total to two-layer, the rectangular in cross-section of annular groove and full lubricating oil in it.Inside and outside pushing body, the bottom of anchor ring all carries out polish, and the top of its outer ring surface carries out anticorrosion and process of spraying paint, in addition, the bottom of pushing body outer ring surface coordinate with the internal wall transitions of primary seal body and with the inwall matched in clearance of primary seal device thrust ring, the bottom of pushing body inner surface then with cutting pipe prefabrication anchor ring matched in clearance, thus form friction pair between pushing body and primary seal body, simultaneously and form moving sets between primary seal device thrust ring and cutting pipeline.
Primary seal device adopts trapezoidal quoit, rectangular metal circle and cone-shaped metal circle to seal to form quoit, realize the fixing and sealing between connecting device and cutting pipe prefabrication anchor ring, form metal loop seals by lower hexagonal metallic ring simultaneously, and realize the sealing between pushing body and primary seal device.Primary seal device mainly includes primary seal body, thrust ring, lining, trapezoidal quoit, rectangular metal circle, cone-shaped metal circle and lower hexagonal metallic ring, wherein the cross section of trapezoidal quoit is isosceles trapezoid, the rectangular in cross-section of rectangular metal circle, the cross section of cone-shaped metal circle is then at right angles trapezoidal.The upper surface processing of primary seal body has and the ring-shaped groove of pushing body plate-like flange same size size, and the cylinder at primary seal body ring-shaped groove and pushing body ring-shaped groove centrage place overlaps, the lower hexagonal metallic ring of configuration in the ring-shaped groove of primary seal body.The surrounding of primary seal body upper and lower end face all processes tapped blind hole evenly distributed in the circumferential direction, in the middle part of it, then design has along the circumferential direction evenly distributed injecting glue eyelet, the axis of each injecting glue eyelet all with the axis perpendicular of primary seal body, and the hole wall of injecting glue eyelet coupled with holding screw by female thread.The inner surface of primary seal body is up-thin-low-thick, and lining is placed at the variable cross-section place of its inner surface, and the two ends up and down of its inner surface all carry out polish, and the outer ring surface of primary seal body then carries out anticorrosion and process of spraying paint.
Thrust ring and lining all adopt column-shaped barrel, and the cross section of thrust ring is the shape of class L, and the cross section of lining is then wedge shaped.The inside and outside anchor ring of thrust ring all carries out polish, and the inner surface interference fits of its outer ring surface and primary seal body is to form friction pair, the bottom of its inner surface then with cutting pipe prefabrication anchor ring matched in clearance to form moving sets, simultaneously the top ring cavity of thrust ring configures rectangular metal circle.The outer ring surface of lining is positioned by arranging ring-shaped clip in the chamber of primary seal body, the ring cavity of lining configures cone-shaped metal circle, and the middle and upper part processing of lining cylinder has the circular hole with primary seal body injecting glue eyelet equal number and specification size, this circular hole and injecting glue eyelet one_to_one corresponding and its dead in line.Cutting the rectangle slot corresponding with lining circular hole on the circle body of cone-shaped metal circle, the gap of slot is parallel with busing axis, and the width of slot is more than the diameter of lining circular hole, is full of fluid sealant in slot.The top of sleeve inner surface adopts the rounding conical surface, the tapering of this rounding conical surface is simultaneously greater than the equivalent friction angle between lining inwall and cone-shaped metal circle equal to the tapering of cone-shaped metal circle male cone (strobilus masculinus), and the cone Gao Ze of this rounding conical surface is more than the height of cone-shaped metal circle, the bottom of sleeve inner surface also forms moving sets with cutting pipe prefabrication anchor ring matched in clearance.The lower surface of lining is designed as taper seat, constitutes ring cavity that cross section is isosceles trapezoid and hold trapezoidal quoit together with the conical surface of locating bodies upper end.
Localizer realizes whole connecting device being automatically positioned on cutting pipeline according to its retaining mechanism, and it includes locating bodies and retaining mechanism, adopts pad auxiliary seal between locating bodies and primary seal body.Locating bodies is containing upper shell and lower shell two parts, and wherein the outer ring surface of upper shell coordinates with the internal wall transitions of primary seal body, and the tapering of its upper end conical surface is high with cone all identical with the tapering of lining lower surface and cone height；The lower shell outer ring surface of locating bodies carries out anticorrosion and sprays paint process, and the diameter of its diameter and tuningout body and the external diameter of tuningout attic base shape flange, the external diameter of pushing body plate-like flange and primary seal body outer ring surface is all equal；The clamping screw being formed around packet arrangement of its lower shell simultaneously, often organizes three clamping screws, and the clamping circular through hole of tap drill also realizes localizer fixing on primary seal device by arranging clamping stud.The inner surface of locating bodies and cutting pipe prefabrication anchor ring matched in clearance, and the bottom of its inner surface realizes coupling between localizer with auxiliary seal box by screw thread；The middle part processing of locating bodies has lockhole evenly distributed in the circumferential direction, retaining mechanism is accommodated in lockhole, lockhole is staggered successively with each group clamping screw on locating bodies lower shell, the axis of each lockhole all with the axis perpendicular of locating bodies, the hole wall of each lockhole carries out polish, and its outermost hole wall is got on the bus and is shaped with screw thread.
Retaining mechanism realizes the quick locking function of connecting device, it is made up of lock pin, spring and door, lock pin and door all adopt multidiameter, outside door, retaining mechanism is fixed on locating bodies by screw thread by the anchor ring of cylinder, the processing of its central part has hexagon blind hole to facilitate the dismounting of door, and inside door, the end face junction of cylinder forms the shaft shoulder；Moving sets is formed between the cylinder anchor ring of lock pin with the hole wall of corresponding locating bodies lockhole, and on cylinder, processing has wedge groove inside lock pin, and shaft shoulder of cylinder end face junction and the shaft shoulder of door are positioned through its interior spring jointly outside it, thus complete the radial expansion motion of lock pin.
Auxiliary seal box adopts packing and lower zero RunddichtringO to seal to form packing seal and zero RunddichtringO, it is achieved fixing and sealing between connecting device and the cutting former anchor ring of pipeline, it includes auxiliary seal body, gland, lower zero RunddichtringO and packing.The outer ring surface of auxiliary seal body is got on the bus and is shaped with sealing pipe screw thread, and the surrounding of its lower surface is drilled with adjustment screw evenly distributed in the circumferential direction, and realizes the axial propelling of gland by regulating stud；The upper chamber processing of auxiliary seal body has ring-shaped groove, the cross section of this ring-shaped groove adopts rectangle, lower zero RunddichtringO of configuration in it, and in the lower chamber of auxiliary seal body, fill packing, and between the outer ring surface of its underpart chamber wall and gland, adopt interference fits to form friction pair.The outer ring surface of gland carries out polish, and the diameter of its inner surface is equal to the external diameter of cutting pipeline, and the lower end of gland adopts the outer ring surface equal diameters of disc shaped flange, the diameter of this disc shaped flange and auxiliary seal body.
What the present invention can reach has the technical effect that, this is quickly repaired connecting device and adopts metal and the multiple Sealing Technology such as nonmetal to organically combine, ensure connecting device and the fixing of pipeline enclosure and sealing, and according to the special tectonic of sphere deviation adjustable type and localizer retaining mechanism, it is achieved in repair, eccentric adjusting between submarine pipeline and connecting device is automatically positioned；Device for adjusting deviation realizes the eccentric adjusting between submarine pipeline according to the combined effect of the mating spherical surfaces between tuningout body and tuningout seat and each spherical washer, and adopts zero RunddichtringO sealing and metal loop seals to realize connecting device and the new sealing changing pipeline enclosure；Each quoit and the becket that pushing body is used for realizing axially propelling and extrudes primary seal device, primary seal device adopts trapezoidal quoit, rectangular metal circle and cone-shaped metal circle to seal to form quoit, realize the fixing and sealing between connecting device and cutting pipe prefabrication anchor ring, realize the sealing between pushing body and primary seal device by metal loop seals simultaneously；Localizer completes connecting device being automatically positioned on cutting pipeline according to its retaining mechanism, auxiliary seal box adopts packing seal and zero RunddichtringO to seal and realizes fixing and sealing between connecting device and the cutting former anchor ring of pipeline, so that this quickly repairs connecting device possesses the features such as simple to operate, repair time is short, operation intensity is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated, but the invention is not limited in following example.
Fig. 1 is the typical structure sketch quickly repairing connecting device according to deviation adjustable type submarine pipeline proposed by the invention.
Fig. 2 is that the structure diagram of device for adjusting deviation in connecting device quickly repaired by deviation adjustable type submarine pipeline.
Fig. 3 is that the structure diagram of pushing body in connecting device quickly repaired by deviation adjustable type submarine pipeline.
Fig. 4 is that the structure diagram of primary seal device in connecting device quickly repaired by deviation adjustable type submarine pipeline.
Fig. 5 is the structure diagram of primary seal device internals.
Fig. 6 is that the structure diagram of localizer and auxiliary seal box in connecting device quickly repaired by deviation adjustable type submarine pipeline.
Fig. 7 is the A A sectional view of Fig. 6.
Fig. 8 is the eccentric adjusting work flow sketch that connecting device quickly repaired by deviation adjustable type submarine pipeline.
Fig. 9 is the primary seal work flow sketch that connecting device quickly repaired by deviation adjustable type submarine pipeline.
Figure 10 is the auxiliary sealing operation general flow chart that connecting device quickly repaired by deviation adjustable type submarine pipeline.
1-device for adjusting deviation in figure, 2-pushing body, 3-primary seal device, 4-localizer, the auxiliary seal box of 5-, 6-tuningout body, the upper hexagonal metallic ring of 7-, upper zero RunddichtringO of 8-, 9-tuningout bolt, 10-spherical washer, 11-tuningout seat, 12-advances stud, hexagonal metallic ring under 13-, 14-rectangular metal circle, 15-thrust ring, 16-cone-shaped metal circle, 17-holding screw, 18-lining, the trapezoidal quoit of 19-, 20-primary seal body, 21-locating bodies, 22-door, 23-spring, 24-lock pin, 25-clamps stud, 26-regulates stud, 27-gland, the auxiliary seal body of 28-, 29-packing, zero RunddichtringO under 30-, 31-retaining mechanism.
Detailed description of the invention
In FIG, deviation adjustable type submarine pipeline is quickly repaired connecting device and is made up of device for adjusting deviation 1, pushing body 2, primary seal device 3, localizer 4 and auxiliary seal box 5.Before this quickly repairs connecting device assembling, the outer surface of device for adjusting deviation 1, pushing body 2, primary seal device 3 and localizer 4 main element carries out anticorrosion and process of spraying paint respectively；Any direction flexible rotation is answered and fluent in the sphere junction of device for adjusting deviation 1; can move flexibly between pushing body 2 and primary seal device 3, localizer 4 and primary seal device 3 and auxiliary seal box 5 gland and auxiliary seal body; the retaining mechanism of localizer 4 can normally slide, and keeps the cleaning of primary seal device 3, localizer 4 and auxiliary seal box 5 cavity；Check that each quoit, becket, zero RunddichtringO and packing have zero defect and damage simultaneously, check that whether each thread connection place is firm and has non-corroding.
In FIG, when this quickly repairs connecting device assembling, device for adjusting deviation 1 is coupled by welding of tuningout body between pipeline with new replacing, pushing body 2 is by being fixedly welded on the tuningout seat of device for adjusting deviation 1, by advancing stud to couple between pushing body 2 with primary seal device 3, being coupled by clamping stud between primary seal device 3 and localizer 4, auxiliary seal box 5 is then positioned on localizer 4 by sealing pipe screw thread simultaneously.
In FIG, when this quickly repairs connecting device operation, submarine pipeline carries out eccentric adjusting by device for adjusting deviation 1, new replacing is sealed by the zero RunddichtringO sealing and metal loop seals screwing the formation of tuningout bolt between pipeline and connecting device, connecting device is positioned on cutting pipeline by the retaining mechanism of localizer 4, clamp the trapezoidal quoit that stud formed and seal and screw quoit sealing that pushing body 2 advances stud to be formed and metal loop seals is fixed and sealing by screwing localizer 4 between connecting device and cutting pipe prefabrication anchor ring, the packing seal regulating stud formation between connecting device and the cutting former anchor ring of pipeline by screwing auxiliary seal box 5 is fixed and sealing.
In fig. 2, the tuningout body 6 of device for adjusting deviation 1 and the inner surface diameter of tuningout seat 11 are adjusted according to the internal diameter of submarine pipeline, the wall thickness of tuningout body 6 cavity keeps consistent with the wall thickness of submarine pipeline simultaneously, the specification of upper hexagonal metallic ring 7 and upper zero RunddichtringO 8 carries out type selecting according to oil gas medium physical property in submarine pipeline and maximum delivery pressure, the quantity of tuningout bolt 9 and screw strength are then deformed required pressure are designed according to tuningout body 6 and the tuningout seat 11 upper hexagonal metallic rings 7 of clamping and upper zero RunddichtringO 8, last spherical washer 10 carries out type selecting according to designed tuningout bolt 9 specification.Submarine pipeline completes eccentric adjusting by the combined effect of the mating spherical surfaces between tuningout body 6 and tuningout seat 11 and each spherical washer 10, is undertaken coupling and adopt hexagonal metallic ring 7 and upper zero RunddichtringO 8 to realize sealing by tuningout bolt 9 between tuningout body 6 and tuningout seat 11.
In figure 3, the inner surface diameter of pushing body 2 is adjusted according to internal diameter and the external diameter of submarine pipeline, the quantity and the screw strength that advance stud 12 are deformed required thrust are designed according to extruding primary seal device 3 quoits and becket, and pushing body 2 realizes axial propelling by screwing each propelling stud 12.
In figures 4 and 5, the lower hexagonal metallic ring 13 of primary seal device 3, rectangular metal circle 14, thrust ring 15, cone-shaped metal circle 16, lining 18, the inner surface diameter of trapezoidal quoit 19 and primary seal body 20 is all adjusted according to the external diameter of submarine pipeline, the wall thickness of primary seal body 20 is according to rectangular metal circle 14, the radial thrust that cone-shaped metal circle 16 and trapezoidal quoit 19 deformation produce is designed, rectangular metal circle 14, the specification of cone-shaped metal circle 16 and trapezoidal quoit 19 carries out type selecting according to oil gas medium physical property in submarine pipeline and maximum delivery pressure, physical property and the pressure of the specification of lower hexagonal metallic ring 13 then foundation submarine pipeline surrounding seawater carry out type selecting.
In figures 4 and 5, the lower hexagonal metallic ring 13 of primary seal device 3 and rectangular metal circle 14 are extruded by the shell portion of pushing body 2 bottom and are deformed and form sealing, and axial thrust and the extruding force of lining 18 that cone-shaped metal circle 16 is then transmitted by thrust ring 15 are deformed and form sealing in conjunction with fluid sealant；Injecting glue operation production line on the water completes, and fluid sealant injects through each injecting glue eyelet of primary seal body 20 and ensures each slot of its full cone-shaped metal circle 16, each holding screw 17 of finally screwing on.
In figure 6 and figure 7, locating bodies 21 inner surface diameter of localizer 4 is adjusted according to the external diameter of submarine pipeline, the outer ring surface diameter of locating bodies 21 then keeps consistent with the outer ring surface diameter of primary seal body 20, and the clamping quantity of stud 25 and screw strength foundation locating bodies 21 extrude trapezoidal quoit 19 and be deformed required thrust and be designed.Axial thrust that trapezoidal quoit 19 is transmitted by locating bodies 21 upper shell and the extruding force of lining 18 are deformed and form sealing, the retaining mechanism 31 of localizer 4 completes the radial expansion motion of lock pin 24 by the spring 23 that door 22 shoulder and lock pin 24 shoulder position jointly, thus realizing whole connecting device being automatically positioned on cutting pipeline, retaining mechanism 31 is along the circumferential direction staggered successively with each group of clamping stud 25.
In figure 6 and figure 7, the internal diameter of the gland 27 of auxiliary seal box 5 and the inner surface diameter of auxiliary seal body 28 and packing 29 and lower zero RunddichtringO 30 is all adjusted according to the external diameter of submarine pipeline, the specification of the sealing pipe screw strength of locating bodies 21 and auxiliary seal body 28 and packing 29 and lower zero RunddichtringO 30 carries out type selecting according to physical property and the pressure of submarine pipeline surrounding seawater, regulates the quantity of stud 26 and screw strength and then extrudes packing 29 according to gland 27 and be deformed required thrust and be designed.Packing 29 is deformed by gland 27 extruding and forms sealing, and lower zero RunddichtringO 30 is then jointly extruded by the ring-shaped groove of auxiliary seal body 28 and the cutting former anchor ring of pipeline and is deformed and forms sealing.
nullIn fig. 8，This eccentric adjusting work flow quickly repairing connecting device is，The tuningout body 6 of device for adjusting deviation 1 by tuningout bolt 9 and coordinates spherical washer 10 to couple with tuningout seat 11，Tuningout bolt 9 is kept to be in relaxed state，Pipeline is changed and when cutting pipeline enclosure produces θ eccentric new，By adjusting the spherical washer 10 of each tuningout bolt 9，Rely on the side force between tuningout body 6 and tuningout seat 11 and mating spherical surfaces thereof from Row sum-equal matrix，It is adjusted to θ by newly changing the pipeline angle with cutting pipeline enclosure，So that newly changing the submarine pipeline axis keeping parallelism of pipe ends，Finally quickly screw each tuningout bolt 9，Rely on the clamping pressure that tuningout body 6 transmits，Two upper hexagonal metallic rings 7 and upper zero RunddichtringO 8 are deformed and form zero RunddichtringO sealing and metal loop seals respectively，Ensure the new sealing changed between pipeline and connecting device，Complete the eccentric adjusting of submarine pipeline.
In fig .9, this primary seal work flow quickly repairing connecting device is, the primary seal device 3 of whole quick reparation connecting device, localizer 4 move axially along the outer ring surface of cutting pipeline pipe end together with auxiliary seal box 5, the shaft shoulder of the shaft shoulder of lock pin 24 and door 22 jointly positions spring 23 and thus completes the radial expansion motion of lock pin 24, after lock pin 24 in device 4 retaining mechanism 31 to be positioned slips into the ring-shaped groove of cutting pipe prefabrication, connecting device is stuck on cutting pipeline and completes it and is automatically positioned；Then, first screwing each clamping stud 25 of localizer 4, rely on the thrust that locating bodies 21 transmits, the trapezoidal quoit 19 in primary seal device 3 moves axially and is progressively deformed with after cutting pipe prefabrication anchor ring laminating, forms trapezoidal quoit and seals；Then, screwing each stud 12 that advances on pushing body 2, the rectangular metal circle 14 in the lower cylinder extruding primary seal device 3 of dependence pushing body 2 is deformed and forms rectangular metal circle and seal；Then, pushing body 2 continues to move axially, relying on the extruding force of the thrust transmitted of thrust ring 15 and lining 18, the cone-shaped metal circle 16 in primary seal device 3 is deformed and forms cone-shaped metal circle in conjunction with fluid sealant sealing, and thereby guarantees that the sealing between cutting pipe prefabrication anchor ring and connecting device；Finally, pushing body 2 continues to move axially to the lower hexagonal metallic ring 13 that its ring-shaped groove snaps in primary seal device 3, and hexagonal metallic ring 13 is deformed and forms metal loop seals under extruding, it is ensured that the sealing between pushing body 2 and primary seal device 3, complete primary seal operation.
In Fig. 10, this auxiliary sealing operation flow process quickly repairing connecting device is, screw each of auxiliary seal box 5 and regulate stud 26, by the thrust that gland 27 transmits, extruding packing 29 is also deformed and forms packing seal, ensure the sealing between the cutting former anchor ring of pipeline and connecting device, complete auxiliary sealing operation, thus realize the new connection changing pipeline and cutting pipeline enclosure according to connecting device.
The various embodiments described above are merely to illustrate the present invention, and wherein the structure of each parts, connected mode etc. all can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. connecting device quickly repaired by a deviation adjustable type submarine pipeline, from top to down successively by device for adjusting deviation, pushing body, primary seal device, localizer and auxiliary seal box composition, its global design is heavy wall tubular revolving body structure, it adopts the multiple Sealing Technology of the metal sealing such as quoit and becket and the nonmetal sealing such as the sealing of zero RunddichtringO and packing seal to organically combine simultaneously, ensure connecting device and the fixing of pipeline enclosure and sealing, and the retaining mechanism of the special tectonic of foundation sphere deviation adjustable type and localizer, realize in repair being automatically positioned of the eccentric adjusting between submarine pipeline and connecting device, it is characterized in that:
One device for adjusting deviation；The tuningout body of described device for adjusting deviation adopts the structure that column-shaped barrel and spherical cylinder combine, and concentric and inside and outside spherical surface the centre of sphere of the inside and outside spherical surface of its spherical cylinder is respectively positioned on the axis of device for adjusting deviation；The body outer ring surface of tuningout seat adopts the Internal Spherical Surface of Surface of Sphere, this Surface of Sphere and the spherical cylinder of tuningout body all to carry out precise finiss process, and two spheres remain concentric and constitute mating spherical surfaces；The Surface of Sphere of tuningout seat is from top to bottom provided with the ring-shaped groove of layered arrangement, identical and that all employing rectangle and isosceles trapezoid the combine shape in the cross section of upper two layers ring-shaped groove, upper hexagonal metallic ring is configured successively in it, and the cross section of tuningout seat orlop ring-shaped groove adopts rectangle, in it, configure upper zero RunddichtringO；Each tuningout bolt all adopts spherical washer, and is respectively implanted in the groove of tuningout body tuningout screw top and tuningout seat tuningout screw bottom；
One pushing body；The plate-like flange lower surface of described pushing body arranges ring-shaped groove, and the cross section of this ring-shaped groove is isosceles trapezoid, and the inner surface of pushing body adopts ladder surface of revolution structure, and the processing of the bottom of its outer ring surface has the annular groove of layered arrangement；Friction pair is formed, simultaneously and form moving sets between primary seal device thrust ring and cutting pipeline between pushing body and primary seal body；
One primary seal device；The cross section of the trapezoidal quoit of described primary seal device is isosceles trapezoid, the rectangular in cross-section of rectangular metal circle, and the cross section of cone-shaped metal circle is then at right angles trapezoidal；The upper surface processing of primary seal body has and the ring-shaped groove of pushing body plate-like flange same size size, the lower hexagonal metallic ring of configuration in this ring-shaped groove, the middle part design of primary seal body has along the circumferential direction evenly distributed injecting glue eyelet, the inner surface of primary seal body is up-thin-low-thick, and lining is placed at the variable cross-section place of its inner surface；Thrust ring and lining all adopt column-shaped barrel, and the cross section of thrust ring is the shape of class L, and the cross section of lining is then wedge shaped；The inner surface interference fits of the outer ring surface of thrust ring and primary seal body to form friction pair, the bottom of its inner surface then with cut pipe prefabrication anchor ring matched in clearance to form moving sets；The middle and upper part processing of lining cylinder has the circular hole with primary seal body injecting glue eyelet equal number and specification size, and the circle body of cone-shaped metal circle cuts the rectangle slot corresponding with lining circular hole, is full of fluid sealant in slot；The top of sleeve inner surface adopts the rounding conical surface, and the bottom of its inner surface forms moving sets with cutting pipe prefabrication anchor ring matched in clearance, and the lower surface of lining is designed as taper seat simultaneously；
One localizer；The locating bodies of described localizer is containing upper shell and lower shell two parts, the wherein clamping screw being formed around packet arrangement of lower shell, the middle part processing of locating bodies has lockhole evenly distributed in the circumferential direction, accommodating retaining mechanism in lockhole, lockhole is staggered successively with each group clamping screw on locating bodies lower shell；The lock pin of retaining mechanism and door all adopt multidiameter, form moving sets, and inside lock pin, on cylinder, processing has wedge groove between the cylinder anchor ring of lock pin with the hole wall of corresponding locating bodies lockhole；
One auxiliary seal box；The auxiliary seal body upper chamber processing of described auxiliary seal box has ring-shaped groove, the cross section of this ring-shaped groove adopts rectangle, lower zero RunddichtringO of configuration in it, and in the lower chamber of auxiliary seal body, fill packing, and interference fits between the outer ring surface of its underpart chamber wall and gland, is adopted to form friction pair.
2. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: described deviation adjustable type submarine pipeline is quickly repaired the quoit Sealing Technology of connecting device and included rectangular metal circle, cone-shaped metal circle and trapezoidal quoit, rectangular metal circle, cone-shaped metal circle and trapezoidal quoit from top to bottom sequentially coaxially the heart be arranged in cutting pipe prefabrication anchor ring on and its inner surface diameter be all higher than cutting pipe prefabrication anchor ring diameter, each quoit is internally provided with equally distributed tinsel and its outer wrap has tinsel, the material of each quoit body all adopts the metal that intensity is high and heat resistance is strong；
Described deviation adjustable type submarine pipeline is quickly repaired the metal loop seals technology of connecting device and is included hexagonal metallic ring and lower hexagonal metallic ring, upper hexagonal metallic ring is containing about two the hexagonal metallic rings being arranged in parallel, and lower hexagonal metallic ring only has one and places with each upper hexagonal metallic ring concentric, the cross section of each becket is all in Long Hexagon, the centrage in the lower elongated cross section of hexagonal metallic ring is paralleled with the axis of submarine pipeline, and the centrage in each elongated cross section of upper hexagonal metallic ring then all meets at same point with the axis of submarine pipeline；Each becket adopts crude metal ring body, and the material of its becket body all adopts the metal that intensity is high and heat resistance is strong, is all enclosed with tinsel outside each becket；
Described deviation adjustable type submarine pipeline is quickly repaired zero RunddichtringO Sealing Technology of connecting device and is included zero RunddichtringO and lower zero RunddichtringO, and the material of each zero RunddichtringO all selects corrosion-resistant and high-temperature resistant sizing material；The filler of packing seal technology adopts annular packing, and its cross section is rectangle, and packing is woven by the carbon fibre of preimpregnation ptfe emulsion and forms.
3. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: the wall thickness of the tuningout body top column-shaped barrel of described device for adjusting deviation is identical with the wall thickness of new replacing pipeline and cutting pipeline, and the small end disc diameter of its underpart spherical cylinder Internal Spherical Surface and spherical outside surface is equal with the new internal diameter changing pipeline and cutting pipeline and external diameter respectively；
The body internal surface of described tuningout seat adopts the inner surface diameter of the face of cylinder and its body equal to the new internal diameter changing pipeline, and the sphere between tuningout body and tuningout seat combines the axial length of band need to more than 1/2nd of tuningout seat Surface of Sphere height；
On the Surface of Sphere of described tuningout seat, each layer ring-shaped groove is all along the Surface of Sphere slant setting of tuningout seat, and the conical point of each layer ring-shaped groove centrage place conical surface all keeps concentric with the centre of sphere of tuningout inside and outside sphere and tuningout seat Surface of Sphere.
4. connecting device quickly repaired by the deviation adjustable type submarine pipeline according to claim 1 or 3, it is characterized in that: described tuningout body is respectively provided with the surrounding of plate-like flange and its plate-like flange and processes the tuningout screw having specification size identical with the lower end of tuningout seat, and the bottom of tuningout body tuningout screw and the top of tuningout seat tuningout screw are designed with the hole wall of cone；
When new replacing pipeline and cutting pipeline enclosure produce eccentric, by adjusting the spherical washer of each tuningout bolt, and rely on the side force between tuningout body and tuningout seat and mating spherical surfaces thereof from Row sum-equal matrix, and reach the purpose of submarine pipeline eccentric adjustment.
5. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: the upper surface of described pushing body is connected by the plate-like flange welded with device for adjusting deviation tuningout seat, the middle part simultaneously advancing body is also equipped with plate-like flange, and by advancing stud to realize coupling between pushing body with primary seal device；
The diameter of the inner surface top cylinder of described pushing body is equal with the new internal diameter changing pipeline, the diameter of inner surface bottom cylinder then with the equal diameters of cutting pipe prefabrication anchor ring；The rectangular in cross-section of the annular groove of pushing body outer ring surface and its interior full lubricating oil, the bottom simultaneously advancing inside and outside anchor ring all carries out polish；
The bottom of described pushing body outer ring surface coordinate with the internal wall transitions of primary seal body and with the inwall matched in clearance of primary seal device thrust ring, the bottom of pushing body inner surface then with cutting pipe prefabrication anchor ring matched in clearance.
6. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: described primary seal device adopts trapezoidal quoit, rectangular metal circle and cone-shaped metal circle to seal to form quoit, realize the fixing and sealing between connecting device and cutting pipe prefabrication anchor ring, form metal loop seals by lower hexagonal metallic ring simultaneously, and realize the sealing between pushing body and primary seal device；
The cylinder at the ring-shaped groove of described primary seal body and the ring-shaped groove centrage place of pushing body overlaps；
The axis of each injecting glue eyelet of described primary seal body all with the axis perpendicular of primary seal body, and the hole wall of injecting glue eyelet coupled with holding screw by female thread.
7. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterised in that: the inside and outside anchor ring of described thrust ring all carries out polish, simultaneously configuration rectangular metal circle in the top ring cavity of thrust ring；
The outer ring surface of described lining is positioned by arranging ring-shaped clip in the chamber of primary seal body, configuration cone-shaped metal circle in the ring cavity of lining, and the circular hole of lining cylinder middle and upper part and injecting glue eyelet one_to_one corresponding and its dead in line；
The slot opening of described cone-shaped metal circle is parallel with busing axis, and the width of slot is more than the diameter of lining circular hole；
The tapering of the rounding conical surface of described sleeve inner surface is simultaneously greater than the equivalent friction angle between lining inwall and cone-shaped metal circle equal to the tapering of cone-shaped metal circle male cone (strobilus masculinus), and the cone Gao Ze of this rounding conical surface is more than the height of cone-shaped metal circle；
The lower surface of described lining constitutes ring cavity that cross section is isosceles trapezoid together with the conical surface of locating bodies upper end and holds trapezoidal quoit.
8. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: described localizer includes locating bodies and retaining mechanism, the outer ring surface of locating bodies upper shell coordinates with the internal wall transitions of primary seal body, and the tapering of its upper end conical surface is high with cone all identical with the tapering of lining lower surface and cone height；
The diameter of the lower shell outer ring surface diameter of described locating bodies and tuningout body and the external diameter of tuningout attic base shape flange, the external diameter of pushing body plate-like flange and primary seal body outer ring surface is all equal；The simultaneously clamping circular through hole of tap drill of its lower shell surrounding realize localizer fixing on primary seal device by arranging clamping stud；
The inner surface of described locating bodies and cutting pipe prefabrication anchor ring matched in clearance；
Each lockhole axis of described locating bodies all with the axis perpendicular of locating bodies, the hole wall of each lockhole carries out polish.
9. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: the retaining mechanism of described localizer is made up of lock pin, spring and door, outside door, retaining mechanism is fixed on locating bodies by screw thread by the anchor ring of cylinder, and inside door, the end face junction of cylinder forms the shaft shoulder；
Outside the lock pin of described retaining mechanism, the shaft shoulder of cylinder end face junction and the shaft shoulder of door are positioned through its interior spring jointly, thus complete the radial expansion motion of lock pin.
10. connecting device quickly repaired by deviation adjustable type submarine pipeline according to claim 1, it is characterized in that: described auxiliary seal box adopts packing and lower zero RunddichtringO to seal to form packing seal and zero RunddichtringO, it is achieved fixing and sealing between connecting device and the cutting former anchor ring of pipeline；
The outer ring surface of described auxiliary seal body is got on the bus and is shaped with sealing pipe screw thread, and the surrounding of its lower surface is drilled with adjustment screw evenly distributed in the circumferential direction, and realizes the axial propelling of gland by regulating stud；
The outer ring surface of described gland carries out polish, and the diameter of its inner surface is equal to the external diameter of cutting pipeline；
The lower end of described gland adopts the outer ring surface equal diameters of disc shaped flange, the diameter of this disc shaped flange and auxiliary seal body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610319504.9A CN105736895B (en) | 2016-05-12 | 2016-05-12 | Deviation adjustable type submarine pipeline quickly repairs attachment means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319504.9A CN105736895B (en) | 2016-05-12 | 2016-05-12 | Deviation adjustable type submarine pipeline quickly repairs attachment means |
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| CN105736895A true CN105736895A (en) | 2016-07-06 |
| CN105736895B CN105736895B (en) | 2017-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825059A (en) * | 2017-11-02 | 2018-03-23 | 东北石油大学 | Pipeline welding arc cushion device |
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| US20100047023A1 (en) * | 2006-03-07 | 2010-02-25 | As Connector | Subsea Pipeline Repair and Maintenance Tools and Method for Replacement of Broken Pipelines |
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| CN104676191A (en) * | 2015-01-30 | 2015-06-03 | 哈尔滨工程大学 | Submarine pipeline clamp repairing connector |
| CN205592566U (en) * | 2016-05-12 | 2016-09-21 | 青岛理工大学 | But tuningout formula submarine pipeline repairs connecting device fast |
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| CN202532017U (en) * | 2012-04-19 | 2012-11-14 | 天津市海王星海上工程技术有限公司 | Intelligent connector suitable for repairing submarine pipelines |
| CN104676191A (en) * | 2015-01-30 | 2015-06-03 | 哈尔滨工程大学 | Submarine pipeline clamp repairing connector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825059A (en) * | 2017-11-02 | 2018-03-23 | 东北石油大学 | Pipeline welding arc cushion device |
| CN107825059B (en) * | 2017-11-02 | 2019-07-02 | 东北石油大学 | Pipeline welds arc cushion device |
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| CN105736895B (en) | 2017-08-04 |
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