CN105019418A - Dry cabin for maintaining underwater joint of jacket and mounting method of dry cabin - Google Patents
Dry cabin for maintaining underwater joint of jacket and mounting method of dry cabin Download PDFInfo
- Publication number
- CN105019418A CN105019418A CN201510454834.4A CN201510454834A CN105019418A CN 105019418 A CN105019418 A CN 105019418A CN 201510454834 A CN201510454834 A CN 201510454834A CN 105019418 A CN105019418 A CN 105019418A
- Authority
- CN
- China
- Prior art keywords
- jacket
- cabin
- sealing
- sleeve pipe
- spud leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Pipe Accessories (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a dry cabin for maintaining an underwater joint of a jacket and a mounting method of the dry cabin. The dry cabin comprises a cabin body and an access way communicated with an inner cavity of the cabin body. The cabin body comprises at least two split cabin sheets capable of being separated from each other, and the split cabin sheets are spliced to form the cabin body. Splicing lines of the split cabin sheets are in sealing fit, and two first sleeve holes used for matching circumferential rings of the outer walls of the two ends of a pile leg respectively and a second sleeve hole used for matching the circumferential ring of the outer wall of the jacket are formed in the splicing lines. The first sleeve holes are in sealing fit with the pile leg, and the second sleeve hole is in sealing fit with the jacket. The access way upwards extends out of a water surface. The dry cabin can be mounted underwater in a spliced mode, and the underwater joint is isolated from the outside, so that the sealing performance of the internal part and the external part of the cabin body is guaranteed. After water in the cabin body is pumped out, the water can enter the cabin body from the access way to maintain the underwater joint, and maintenance is easier. Meanwhile, the interior of the cabin is in a normal pressure state, so that the repairability of the underwater joint is improved, the jacket is continuously utilized, and cost is reduced.
Description
Technical field
The present invention relates to ocean engineering field, more particularly, relating to a kind of for keeping in repair the jacket dry chamber of node and mounting method thereof under water.
Background technology
In recent years, along with the very fast development of ocean engineering, increasing jacket is at sea installed, because accidental collision causes parts local damage in the process of installation, random fluctuating load effect such as the long-term wind-engaging of jacket, wave, stream etc. in some long service processes, produces fatigue crack; Or by fishing net, anchor, by ship clash into equivalent damage.There is very large risk in the jacket military service that there is local damage, re-uses after need keeping in repair.
The crackle conventional repairing method that jacket damages under water and produces first is fixed by breakage clamp, after carry out cement grouting in breakage and carry out provisional reparation; Larger damage (e.g., the large crackle of main key pile penetrability etc.) is required to the situation of high-quality welding reparation under water, often jacket can only be given up, cause a large amount of wastes.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of for keeping in repair the jacket dry chamber of node and mounting method thereof under water.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of dry chamber for keeping in repair jacket node under water, the access way comprising cabin body and be communicated with described cabin intracoelomic cavity;
Described cabin body comprises can at least two split cabin sheets separated from each other, and described at least two split cabin sheets are spliced to form described cabin body mutually;
The match line of described at least two split cabin sheets is sealed and matched mutually, and on match line, be formed with two the first trepannings coordinated respectively for the outer wall border, spud leg two ends corresponding with Nodes under water and at least one second trepanning coordinated for the outer wall border of the jacket corresponding with Nodes under water;
Be sealed and matched between described first trepanning and described spud leg, be sealed and matched between described second trepanning and described jacket;
Described access way upwards extends, and enters the body operation of described cabin to stretch out the water surface from waterborne.
Preferably, outside the splicing edge of described at least two split cabin sheets, be respectively equipped with flange bonded to each other, mutually seal between the flange that described at least two split cabin sheets are corresponding.
Preferably, the edge that described at least two split cabin sheets are corresponding on the edge corresponding with described first trepanning and with described second trepanning is respectively equipped with arc nest plate;
The arc nest plate corresponding with described first set hole site is spliced to form the first sleeve pipe overlapping and be set on described spud leg;
Overlap arc nest plate corresponding to hole site and be spliced to form with described second the second sleeve pipe overlapping and be set on described jacket;
Hermetically-sealed construction is respectively equipped with between described first sleeve pipe and the outer wall of described spud leg and between described second sleeve pipe and the outer wall of described jacket.
Preferably, hermetically-sealed construction described in each comprises sealing ring, driving mechanism and positioner, and described sealing ring is used for and described spud leg outer ring, described jacket outer ring corresponding matching;
The outer face of described positioner and described first sleeve pipe, described second sleeve pipe is sealed and matched, and carries out axial location to described sealing ring, and described positioner is provided with the sealing surface for being sealed and matched with the outer ring of described sealing ring;
Described driving mechanism is used for ordering about the distortion of described sealing ring circumferentially extending, with pressing sealing between the sealing surface ensureing the positioner of sealing ring and described spud leg outer ring and correspondence, and ensure sealing ring and described jacket outer ring and correspondence positioner sealing surface between pressing sealing.
Preferably, described sealing ring comprises the arc seal section that circumferential segmentation disconnects at least two cavity structures formed; Described sealing ring or described seal section are provided with the pore with the inner space of described seal section, and described driving mechanism comprises the aerating and exhaust device be connected with described pore;
Described positioner comprises sealing flange, and described sealing flange comprises circumferential segmentation and disconnects and at least two the arc flange section that can mutually splice; Described arc flange section comprises sheet arc body and is arranged on the fan annular flange sheet of described arc body shaft to two opposite ends;
Each arc flange section circumference splicing of described sealing flange, coordinates with the outer end end face seal of described first sleeve pipe or described second sleeve pipe to make each described fan annular flange sheet of one end;
The intrados of described arc body and the fan annular flange sheet of two opposite ends form the mounting groove arranged towards central opening, and install for described sealing ring axial location, the intrados of described arc body forms described sealing surface.
Preferably, the platform that the upper end of described access way is provided with the Lift-on/Lift-off System for lifting by crane in the body of cabin and/or Gong stands, what be provided with in monitoring system, illuminator, air exchange system in the body of described cabin is part or all of.
The present invention also constructs a kind of mounting method of described dry chamber, comprises the following steps:
A, provide at least two split cabin sheets, mutually splice after described at least two split cabin sheets are clamped described spud leg and jacket, formed cabin body to described jacket under water node carry out coated, and described in making, the match line of at least two split cabin sheets seals mutually,
B, between described first trepanning and described spud leg, between the second trepanning and described jacket respectively installation sealing structure, and the first trepanning on described match line and the second trepanning are sealed respectively mutually with described spud leg and jacket;
C, provide an access way, one end of described access way be installed on the body of described cabin, described access way is connected with waterborne with described cabin intracoelomic cavity respectively,
D, the water in the body of described cabin outwards to be arranged, can enter in the body of described cabin, node is safeguarded.
Preferably, steps A also comprises:
In the splicing seam of described at least two split cabin sheets, sealing mat is set, and guarantee sealing that flange corresponding for splicing edge is mutually locked;
Preferably, step B comprises:
B1, the positioner of described hermetically-sealed construction is respectively installed to the outer end of described first sleeve pipe, the outer end of described second sleeve pipe, and between described positioner and the outer face of the first sleeve pipe and between described positioner and the outer face of the second sleeve pipe, seal washer is set respectively, ensure and described first sleeve pipe, sealing between the second sleeve pipe section;
B2, sealing ring cover to be set on the border of spud leg and jacket, and to fit with the sealing surface of described positioner, utilize the mounting groove of described positioner to position the axis of described sealing ring at described spud leg, jacket respectively;
B3, to be ordered about the distortion of described sealing ring circumferentially extending by described driving mechanism, to make the inner ring of described sealing ring and described spud leg, the outer ring of jacket closely cooperates, and and closely cooperates between the sealing surface of described positioner.
Preferably,
Described B1 also comprises:
Regulate the center of described positioner, ensure that the gap between the outer ring of described spud leg, jacket and described sealing surface keeps evenly, more described positioner is fixed on the positioning;
Described step C also comprises:
Described spud leg is installed for the pipe clamp of described access way lateral register, in the installation process of described access way and described cabin body, described pipe clamp cover is set to the outer ring of described access way, carries out lateral register to access way.
Implement of the present invention for keeping in repair the jacket dry chamber of node and mounting method thereof under water, there is following beneficial effect: dry chamber of the present invention can carry out splicing under water and install, to node and external isolation under water, also can ensure the sealing of inside and outside, cabin, cabin body can be entered to Nodes maintenance under water from access way after being extracted out by water in the body of cabin, make the maintenance of node under water lighter, simultaneously, be atmospheric pressure state in dry chamber, improve the recoverability of node under water, allow jacket sustainable utilization, save cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the scheme of installation of dry chamber in embodiment of the present invention Nodes under water;
Fig. 2 is spud leg in Fig. 1 and the first sleeve pipe and the sealing section partial schematic diagram between jacket and the second sleeve pipe;
Fig. 3 is spud leg in other embodiments and the first sleeve pipe and the sealing section partial schematic diagram between jacket and the second sleeve pipe.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, cabin body 11 and the access way 12 with cabin body 11 inner space is comprised for the dry chamber 10 keeping in repair jacket 1 node A under water in a preferred embodiment of the invention, cabin body 11 pairs of jackets 1 under water node A carry out coated, formed one with the space of external isolation, access way 12 extends to waterborne, to allow operating personnel enter in cabin body 11 from waterborne by access way 12, to jacket 1 under water node A carry out repair.
In certain embodiments, cabin body 11 comprises can two split cabin sheets separated from each other, and two split cabin sheets are spliced to form described cabin body 11 mutually.In other embodiments, the quantity of split cabin sheet also can more than two, the usual basis shape of jacket 1 that is connected with spud leg 2 of node A place and quantity and determine, to facilitate the manufacture of split cabin sheet and to facilitate split cabin sheet to be installed on spud leg 2, jacket 1 under water.
Further, the match line of adjacent split cabin sheet is sealed and matched mutually, and on match line, be formed with two the first trepannings 111 coordinated respectively for the outer wall border, spud leg 2 two ends corresponding with node A place under water and second trepanning 112 coordinated for the outer wall border of the jacket 1 corresponding with node A place under water, the quantity of the second trepanning 112 is corresponding with the quantity of the jacket 1 that spud leg 2 is connected with node A place, to allow cabin body 11 can be coated by jacket 1 border of correspondence position.Be sealed and matched between first trepanning 111 and described spud leg 2, be sealed and matched between described second trepanning 112 and described jacket 1, make cabin body 11 have the position of cooperation all to keep sealing, anti-sealing enters.
Be respectively equipped with flange 113 bonded to each other outside the splicing edge of adjacent split cabin sheet, be mutually locked by bolt between the flange 113 that described at least two split cabin sheets are corresponding, ensure sealing between the two.Preferably, in certain embodiments, be also provided with sealing mat between the flange 113 that two split cabin sheets are corresponding, improve sealing.
The edge that two split cabin sheets are corresponding on the edge corresponding with described first trepanning 111 and with described second trepanning 112 is respectively equipped with arc nest plate.The arc nest plate corresponding with described first trepanning 111 position is spliced to form the first sleeve pipe 114 overlapping and be set on described spud leg 2; The arc nest plate corresponding with described second trepanning 112 position is spliced to form the second sleeve pipe 115 overlapping and be set on described jacket 1; Be respectively equipped with hermetically-sealed construction between described first sleeve pipe 114 and the outer wall of described spud leg 2 and between described second sleeve pipe 115 and the outer wall of described jacket 1, prevent by the first trepanning 111, second trepanning 112 to spilling water in cabin body 11.
Shown in composition graphs 1 and Fig. 2, jacket 1 in use has distortion usually, therefore can not adopt conventional seal member sealing.In certain embodiments, each hermetically-sealed construction comprises sealing ring 20, driving mechanism 30 and positioner 40, sealing ring 20 for spud leg 2 outer ring, jacket 1 outer ring corresponding matching; Positioner 40 is sealed and matched with the outer face of described first sleeve pipe 114, described second sleeve pipe 115, and carries out axial location to described sealing ring 20, and described positioner 40 is provided with the sealing surface 414 for being sealed and matched with the outer ring of described sealing ring 20.Arrange seal washer 41 etc. between the outer face of positioner 40 and described first sleeve pipe 114, described second sleeve pipe 115 to be sealed and matched, certainly, also by lock sealing.
Driving mechanism 30 is for ordering about the distortion of sealing ring 20 circumferentially extending, rely on the deformability characteristics of sealing ring 20, order about sealing ring 20 circumferentially extending by driving mechanism 30 to be out of shape, to ensure the sealing surface 414 pressing closely sealing of the positioner 40 of sealing ring 20 and described spud leg 2 outer ring and correspondence, and the sealing surface 414 pressing closely sealing of the positioner 40 of guarantee sealing ring 20 and described jacket 1 outer ring and correspondence.
The sealing effectiveness of the first trepanning 111, second trepanning 112 is improved after the distortion of sealing ring 20 circumferentially extending, even if in positioner 40 inner ring and spud leg 2 outer ring, jacket 1 outer ring decentraction time, sealing ring 20 still can seal spud leg 2 outer ring, the whole circle in jacket 1 outer ring after circumferentially extending distortion.Particularly sealing ring 20 circumferentially extending distortion after, can to spud leg 2 outer ring, jacket 1 outer peripheral surface exist distortion or out-of-flatness position extend, carry out filling up sealing, guarantee can not because of distortion cause leakage.
Conveniently sealing ring 20 encloses on spud leg 2 and jacket 1 outer ring, and sealing ring 20 is provided with a seam disconnected, and is set to spud leg 2 and jacket 1 outer peripheral surface to facilitate expansion cover.Preferably, sealing ring 20 comprises circumferential segmentation and disconnects two the arc seal sections formed, and in use, is mutually spliced to form whole circle sealing ring 20, extensional deformation can be relied on to ensure sealing at binding site.In other embodiments, the quantity that sealing ring 20 segmentation disconnects also can be determined according to concrete size.
In certain embodiments, in order to ensure the amplitude that sealing ring 20 is out of shape at circumferentially extending, hollow cavity structure made by sealing ring 20, and sealing ring 20 is more easily out of shape.Certainly, when segmentation disconnects, each seal section also makes hollow cavity structure.Preferably, sealing ring 20 or seal section are provided with the pore 21 with the inner space of sealing ring 20 or seal section, driving mechanism 30 comprises the aerating and exhaust device be connected with pore 21, aerating and exhaust device is inflated, sealing ring 20 expanded radially is stretched and is sealed, when not needing sealing, taking-up that sealing ring 20 is exitted.
In certain embodiments, better coordinate with corresponding seal parts in order to the outer ring of sealing ring 20 and inner ring can be made, the outer ring and inner ring of sealing ring 20 are respectively equipped with tooth bar 22 structure is circumferentially set, tooth bar 22 structure can increase the stretching, extension deformation quantity of sealing ring 20 Internal and external cycle, simultaneously, multiple tooth bar 22 is equivalent to multiple small sealing ring 20, can carry out deformable seal respectively, add sealing effectiveness to correspondence position.
In certain embodiments, positioner 40 is arranged on the outer face of the first sleeve pipe 114, described second sleeve pipe 115, and mutually seal between the outer face of the first sleeve pipe 114, described second sleeve pipe 115, and positioner 40 is provided with the sealing surface 414 for coordinating with the outer ring of sealing ring 20.
In certain embodiments, positioner 40 comprises sealing flange 41, the conveniently dismounting of sealing flange 41, sealing flange 41 comprises circumferential segmentation and disconnects and two arc flange section can mutually splicing, also can leave the convenient splicing sealing situation of observing seal section in interval in two adjacent flange section.The quantity that sealing flange 41 segmentation disconnects also can be determined according to concrete size.
Further, arc flange section comprises sheet arc body 411 and is arranged on the fan annular flange sheet 412 of axial two opposite ends of described arc body 411, each arc flange section circumference splicing of sealing flange 41, coordinates with the outer end end face seal of described first sleeve pipe 114 or described second sleeve pipe 115 to make each described fan annular flange sheet 412 of one end.The intrados of arc body 411 and the fan annular flange sheet 412 of two opposite ends form the mounting groove 413 arranged towards central opening, and install for described sealing ring 20 axial location, the intrados of described arc body 411 forms described sealing surface 414.
In the outer face position fixing process of sealing flange 41 and the first sleeve pipe 114 or described second sleeve pipe 115, the inner ring of sealing flange 41 jacket 1, spud leg 2 etc. can carry out preliminary location relatively, prevent the center of sealing flange 41 excessive relative to the axle center bias of jacket 1, spud leg 2, be beneficial to after sealing ring 20 extends and seal.
After sealing ring 20 is installed, the inner ring of sealing ring 20 coordinates with jacket 1, spud leg 2 outer ring, the outer ring of sealing ring 20 coordinates with sealing surface 414, reach the effect to the first sleeve pipe 114, second sleeve pipe 115 sealing, simultaneously, mounting groove 413 positions sealing ring 20 in the axial direction, prevents hydraulic shock sealing ring 20 from causing axial off normal.Interacvity air-filling in sealing ring 20, make the inner ring guide pipe support 1 of sealing ring 20, spud leg 2 circumferentially extending, and being constantly filled with along with gas, distortion, the out-of-flatness position of sealing ring 20 pairs of jackets 1, spud leg 2 outer ring are filled, allow better tightness between the inner ring of sealing ring 20 and jacket 1, spud leg 2 outer ring, meanwhile, also can allow between the jacket 1 of sealing flange 41 and decentraction, spud leg 2 and all can seal.
Further, the upper end of access way 12 is provided with Lift-on/Lift-off System 13 for lifting in cabin body 11 and the platform 14 of Gong standing, Lift-on/Lift-off System 13 is mainly used in emergency circumstances, personnel unable from access way 12 cat ladder escape time, personnel can directly be promoted deliver from vault body by Lift-on/Lift-off System, ensure personnel's safety exit.In other embodiments, also Lift-on/Lift-off System 13 or platform 14 can be only set in the upper end of access way 12.Be provided with monitoring system, illuminator, air exchange system in described cabin body 11, also can only have part wherein, meet and use normally.
In certain embodiments, the mounting method of dry chamber 10 comprises the following steps:
A, provide two above split cabin sheets, two split cabin sheets are clamped splicing mutually after spud leg 2 and jacket 1, the A of node under water forming cabin body 11 pairs of jackets 1 carries out coated, and described in making, the match line of at least two split cabin sheets seals mutually.
Preferably, sealing mat is set in the splicing seam of described two split cabin sheets, and guarantee sealing that flange 113 corresponding for splicing edge is mutually locked.
In other embodiments, cabin body 11 can comprise multiple split cabins sheet, when mounted, first installs a split cabin sheet, under the installation site of guarantee first split cabin sheet accurately situation, continues to carry out splicing to other split cabin sheet successively and installs.
After cabin body 11 installs location, need to carry out encapsulation process respectively between the first trepanning 111 and described spud leg 2, between the second trepanning 112 and described jacket 1, comprise the following steps:
B, between described first trepanning 111 and described spud leg 2, between the second trepanning 112 and described jacket 1 respectively installation sealing structure, and the first trepanning 111 on described match line and the second trepanning 112 are sealed respectively mutually with described spud leg 2 and jacket 1;
Further, step B is further comprising the steps of;
B1, the positioner 40 of described hermetically-sealed construction is respectively installed to the outer end of described first sleeve pipe 114, the outer end of described second sleeve pipe 115, and seal washer 41 is set respectively between described positioner 40 and the outer face of the first sleeve pipe 114 and between described positioner 40 and the outer face of the second sleeve pipe 115, ensure the sealing between described first sleeve pipe 114, second sleeve pipe 115 section;
In order to ensure the axle center centering of the center of positioner 40 and spud leg 2, jacket 1 as far as possible, the center of described positioner 40 is regulated before mounting and positioning device 40, ensure that the gap between the outer ring of described spud leg 2, jacket 1 and described sealing surface 414 keeps evenly, more described positioner 40 is fixed on the positioning.
B2, by sealing ring 20 cover be set on the border of spud leg 2 and jacket 1, and fit with the sealing surface 414 of described positioner 40, utilize the mounting groove 413 of described positioner 40 to position the axis of described sealing ring 20 at described spud leg 2, jacket 1 respectively;
B3, to be inflated in sealing ring 20 by described driving mechanism 30, order about the distortion of described sealing ring 20 circumferentially extending, to make the inner ring of described sealing ring 20 and described spud leg 2, the outer ring of jacket 1 closely cooperates, and and closely cooperates between the sealing surface 414 of described positioner 40.
Further, the mounting method of dry chamber 10 is further comprising the steps of:
C, to install for the pipe clamp 121 of described access way 12 lateral register on described spud leg 2, be used for carrying out lateral register to access way 12.
One end of described access way 12 is installed on described cabin body 11, described access way 12 is connected with waterborne with described cabin body 11 inner chamber respectively, at described access way 12 with the installation process of described cabin body 11, described pipe clamp 121 cover is set to the outer ring of described access way 12, carries out lateral register to access way 12.In other embodiments, also by other structures, access way 12 is positioned.The hole that cabin body 11 is communicated with access way 12 can process in advance on the sheet of split cabin, also can carry out cutting again after installation access way 12 and be formed.
Further, the mounting method of dry chamber 10 is further comprising the steps of:
D, after access way 12 installs, the water in described cabin body 11 outwards to be arranged, can enter in described cabin body 11, node A is safeguarded.After water in cabin body 11 exhausts, personnel enter in cabin body 11 by the cat ladder in access way 12, also enter in cabin body 11 by Lift-on/Lift-off System 13.
Meanwhile, after the water in cabin body 11 exhausts, in cabin body 11, monitoring system, illuminator, air exchange system etc. can be installed, in addition, also can place survival equipment, construction equipment etc. in cabin body 11, in case of need.
Shown in composition graphs 1 and Fig. 3, in other embodiments, the outer face that positioner 40 also can comprise the first sleeve pipe 114, second sleeve pipe 115 arranges the bell mouth shape guide strip 116 tilted to outer ring, at guide strip 116 and spud leg 2, between guide strip 116 and jacket 1, sealing ring 20 is set respectively, guide strip 116 can to sealing ring 20 axial location, and its inner peripheral surface forms sealing surface 414 and sealing ring 20 can also seal mutually.Driving mechanism 30 comprises the annular pressing plate 31 be spliced to form, the outer face being arranged on sealing ring 20 extrudes solid sealing ring 20 circumferentially extending, makes sealing ring 20 respectively between the guide strip 116 on the first sleeve pipe 114 and spud leg 2, to sealing between the guide strip 116 of the second sleeve pipe 115 and jacket 1.
Understandably, above-mentioned each technical characteristic can be combined use and unrestricted.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize manual of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1., for keeping in repair a dry chamber for jacket node under water, it is characterized in that, comprise cabin body (11) and the access way (12) with described cabin body (11) inner space;
Described cabin body (11) comprises can at least two split cabin sheets separated from each other, and described at least two split cabin sheets are spliced to form described cabin body (11) mutually;
The match line of described at least two split cabin sheets is sealed and matched mutually, and on match line, be formed with two the first trepannings (111) coordinated respectively for the outer wall border, spud leg (2) two ends corresponding with node (A) place under water and at least one second trepanning (112) coordinated for the outer wall border of the jacket (1) corresponding with node (A) place under water;
Be sealed and matched between described first trepanning (111) and described spud leg (2), be sealed and matched between described second trepanning (112) and described jacket (1);
Described access way (12) upwards extends, and enters body (11) operation of described cabin to stretch out the water surface from waterborne.
2. the dry chamber for keeping in repair jacket node under water according to claim 1, it is characterized in that, be respectively equipped with flange (113) bonded to each other outside the splicing edge of described at least two split cabin sheets, mutually seal between the flange (113) that described at least two split cabin sheets are corresponding.
3. the dry chamber for keeping in repair jacket node under water according to claim 1, it is characterized in that, the edge that described at least two split cabin sheets are corresponding on the edge corresponding with described first trepanning (111) and with described second trepanning (112) is respectively equipped with arc nest plate;
The arc nest plate corresponding with described first trepanning (111) position is spliced to form cover and is set to the first sleeve pipe (114) on described spud leg (2);
The arc nest plate corresponding with described second trepanning (112) position is spliced to form cover and is set to the second sleeve pipe (115) on described jacket (1);
Hermetically-sealed construction is respectively equipped with between the outer wall of described first sleeve pipe (114) and described spud leg (2) and between the outer wall of described second sleeve pipe (115) and described jacket (1).
4. the dry chamber for keeping in repair jacket node under water according to claim 3, it is characterized in that, hermetically-sealed construction described in each comprises sealing ring (20), driving mechanism (30) and positioner (40), described sealing ring (20) for described spud leg (2) outer ring, described jacket (1) outer ring corresponding matching;
Described positioner (40) is sealed and matched with the outer face of described first sleeve pipe (114), described second sleeve pipe (115), and axial location is carried out to described sealing ring (20), described positioner (40) is provided with the sealing surface (414) for being sealed and matched with the outer ring of described sealing ring (20);
Described driving mechanism (30) is for ordering about the distortion of described sealing ring (20) circumferentially extending, with pressing sealing between the sealing surface (414) ensureing the positioner (40) of sealing ring (20) and described spud leg (2) outer ring and correspondence, and ensure sealing ring (20) and described jacket (1) outer ring and correspondence positioner (40) sealing surface (414) between pressing seal.
5. the dry chamber for keeping in repair jacket node under water according to claim 4, is characterized in that, described sealing ring (20) comprises the arc seal section that circumferential segmentation disconnects at least two cavity structures formed; Described sealing ring (20) or described seal section are provided with and the pore of the inner space of described seal section (21), and described driving mechanism (30) comprises the aerating and exhaust device be connected with described pore (21);
Described positioner (40) comprises sealing flange (41), and described sealing flange (41) comprises circumferential segmentation and disconnects and at least two the arc flange section that can mutually splice; Described arc flange section comprises sheet arc body (411) and is arranged on the fan annular flange sheet (412) of axial two opposite ends of described arc body (411);
Each arc flange section circumference splicing of described sealing flange (41), coordinates with the outer end end face seal of described first sleeve pipe (114) or described second sleeve pipe (115) to make each described fan annular flange sheet (412) of one end;
The intrados of described arc body (411) and the fan annular flange sheet (412) of two opposite ends form the mounting groove (413) arranged towards central opening, install for described sealing ring (20) axial location, the intrados of described arc body (411) forms described sealing surface (414).
6. the dry chamber for keeping in repair jacket node under water according to any one of claim 1 to 5, it is characterized in that, the upper end of described access way (12) is provided with Lift-on/Lift-off System (13) for lifting in cabin body (11) and/or the platform (14) of Gong standing, and what be provided with in monitoring system, illuminator, air exchange system in described cabin body (11) is part or all of.
7. a mounting method for dry chamber described in any one of claim 1 to 6, is characterized in that, comprise the following steps:
A, provide at least two split cabin sheets, described at least two split cabin sheets are clamped described spud leg (2) and jacket (1) splices afterwards mutually, formed cabin body (11) to described jacket (1) under water node (A) carry out coated, and the match line of at least two split cabin sheets seals mutually described in making
B, between described first trepanning (111) and described spud leg (2), between the second trepanning (112) and described jacket (1) respectively installation sealing structure, and the first trepanning (111) on described match line and the second trepanning (112) are sealed respectively mutually with described spud leg (2) and jacket (1);
C, provide an access way (12), one end of described access way (12) be installed on described cabin body (11), described access way (12) is connected with waterborne with described cabin body (11) inner chamber respectively,
D, the water in described cabin body (11) outwards to be arranged, can enter in described cabin body (11), node (A) is safeguarded.
8. the mounting method of dry chamber according to claim 7, is characterized in that, steps A also comprises:
In the splicing seam of described at least two split cabin sheets, sealing mat is set, and guarantee sealing that flange (113) corresponding for splicing edge is mutually locked.
9. the mounting method of dry chamber according to claim 7, is characterized in that, step B comprises:
B1, the positioner (40) of described hermetically-sealed construction is respectively installed to the outer end of described first sleeve pipe (114), the outer end of described second sleeve pipe (115), and between described positioner (40) and the outer face of the first sleeve pipe (114) and between described positioner (40) and the outer face of the second sleeve pipe (115), seal washer (41) is set respectively, ensure and described first sleeve pipe (114), sealing between the second sleeve pipe (115) section;
B2, by sealing ring (20) cover be set on the border of spud leg (2) and jacket (1), and fit with the sealing surface (414) of described positioner (40), utilize the mounting groove of described positioner (40) (413) to position the axis of described sealing ring (20) at described spud leg (2), jacket (1) respectively;
B3, to be ordered about the distortion of described sealing ring (20) circumferentially extending by described driving mechanism (30), to make the inner ring of described sealing ring (20) and described spud leg (2), the outer ring of jacket (1) closely cooperates, and and closely cooperates between the sealing surface (414) of described positioner (40).
10. the mounting method of dry chamber according to claim 9, is characterized in that,
Described B1 also comprises:
Regulate the center of described positioner (40), ensure that the gap between the outer ring of described spud leg (2), jacket (1) and described sealing surface (414) keeps evenly, more described positioner (40) is fixed on the positioning;
Described step C also comprises:
At the upper pipe clamp (121) installed for described access way (12) lateral register of described spud leg (2), in the installation process of described access way (12) with described cabin body (11), described pipe clamp (121) cover is set to the outer ring of described access way (12), carries out lateral register to access way (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454834.4A CN105019418B (en) | 2015-07-29 | 2015-07-29 | For keeping in repair the dry chamber and its installation method of catheterostat node under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454834.4A CN105019418B (en) | 2015-07-29 | 2015-07-29 | For keeping in repair the dry chamber and its installation method of catheterostat node under water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105019418A true CN105019418A (en) | 2015-11-04 |
| CN105019418B CN105019418B (en) | 2017-04-05 |
Family
ID=54409690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510454834.4A Active CN105019418B (en) | 2015-07-29 | 2015-07-29 | For keeping in repair the dry chamber and its installation method of catheterostat node under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105019418B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747804A (en) * | 2019-10-23 | 2020-02-04 | 中建筑港集团有限公司 | Water-blocking sealing device for realizing underwater construction and use method thereof |
| CN112879673A (en) * | 2021-02-05 | 2021-06-01 | 哈尔滨工程大学 | Underwater dry-type cabin wellhead pipeline cabin penetrating sealing structure |
| CN113719022A (en) * | 2021-09-23 | 2021-11-30 | 中印恒盛(北京)贸易有限公司 | Splicing type building module applied to underwater building |
| CN114811187A (en) * | 2022-04-24 | 2022-07-29 | 山东海盛海洋工程集团有限公司 | Dry-type work cabin is changed to sea pipe riser |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164597A (en) * | 1984-09-04 | 1986-04-02 | Kitaro Nemoto | Underwater working box |
| CN2450085Y (en) * | 2000-08-29 | 2001-09-26 | 天津海王星海上工程技术有限公司 | Cylinder foundation dry operating chamber for in-water maintaining in submerged pipeline |
| EE03574B1 (en) * | 1998-04-28 | 2001-12-17 | NautÜno-proizvodstvennaja firma GT Inspect Ltd | A device for repairing the resin structures of water structures |
| US6773206B2 (en) * | 2000-09-07 | 2004-08-10 | Michael S. Bradley | Support pile repair jacket form |
| CN101722391A (en) * | 2009-11-16 | 2010-06-09 | 中国石油大学(华东) | Ocean platform complex node underwater maintenance cover |
| CN202688991U (en) * | 2012-07-25 | 2013-01-23 | 中国建筑第六工程局有限公司 | Specially-made sleeve construction structure used for repairing head of reinforced concrete cast-in-situ pile |
| CN103507109A (en) * | 2013-10-11 | 2014-01-15 | 上海利策科技股份有限公司 | Underwater dry type cutting cabin and application method thereof |
| CN103615596A (en) * | 2013-11-14 | 2014-03-05 | 哈尔滨工程大学 | Full-automatic clamping hoop used for seabed jacket repairing |
| CN103711459A (en) * | 2012-09-29 | 2014-04-09 | 天津市海王星海上工程技术股份有限公司 | Basement-type water surface connecting cylinder type underwater dry oil production device |
| CN104006216A (en) * | 2013-02-27 | 2014-08-27 | 中国海洋石油总公司 | Offshore platform crude oil riser maintenance and replacement method and device |
| CN104653943A (en) * | 2015-01-22 | 2015-05-27 | 哈尔滨工程大学 | Double-seal hydraulic telescopic grouting clamp for underwater jacket |
-
2015
- 2015-07-29 CN CN201510454834.4A patent/CN105019418B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164597A (en) * | 1984-09-04 | 1986-04-02 | Kitaro Nemoto | Underwater working box |
| EE03574B1 (en) * | 1998-04-28 | 2001-12-17 | NautÜno-proizvodstvennaja firma GT Inspect Ltd | A device for repairing the resin structures of water structures |
| CN2450085Y (en) * | 2000-08-29 | 2001-09-26 | 天津海王星海上工程技术有限公司 | Cylinder foundation dry operating chamber for in-water maintaining in submerged pipeline |
| US6773206B2 (en) * | 2000-09-07 | 2004-08-10 | Michael S. Bradley | Support pile repair jacket form |
| CN101722391A (en) * | 2009-11-16 | 2010-06-09 | 中国石油大学(华东) | Ocean platform complex node underwater maintenance cover |
| CN202688991U (en) * | 2012-07-25 | 2013-01-23 | 中国建筑第六工程局有限公司 | Specially-made sleeve construction structure used for repairing head of reinforced concrete cast-in-situ pile |
| CN103711459A (en) * | 2012-09-29 | 2014-04-09 | 天津市海王星海上工程技术股份有限公司 | Basement-type water surface connecting cylinder type underwater dry oil production device |
| CN104006216A (en) * | 2013-02-27 | 2014-08-27 | 中国海洋石油总公司 | Offshore platform crude oil riser maintenance and replacement method and device |
| CN103507109A (en) * | 2013-10-11 | 2014-01-15 | 上海利策科技股份有限公司 | Underwater dry type cutting cabin and application method thereof |
| CN103615596A (en) * | 2013-11-14 | 2014-03-05 | 哈尔滨工程大学 | Full-automatic clamping hoop used for seabed jacket repairing |
| CN104653943A (en) * | 2015-01-22 | 2015-05-27 | 哈尔滨工程大学 | Double-seal hydraulic telescopic grouting clamp for underwater jacket |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747804A (en) * | 2019-10-23 | 2020-02-04 | 中建筑港集团有限公司 | Water-blocking sealing device for realizing underwater construction and use method thereof |
| CN112879673A (en) * | 2021-02-05 | 2021-06-01 | 哈尔滨工程大学 | Underwater dry-type cabin wellhead pipeline cabin penetrating sealing structure |
| CN113719022A (en) * | 2021-09-23 | 2021-11-30 | 中印恒盛(北京)贸易有限公司 | Splicing type building module applied to underwater building |
| CN114811187A (en) * | 2022-04-24 | 2022-07-29 | 山东海盛海洋工程集团有限公司 | Dry-type work cabin is changed to sea pipe riser |
| CN114811187B (en) * | 2022-04-24 | 2022-11-01 | 山东海盛海洋工程集团有限公司 | Dry-type work cabin is changed to sea pipe riser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105019418B (en) | 2017-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105019418A (en) | Dry cabin for maintaining underwater joint of jacket and mounting method of dry cabin | |
| US9027351B2 (en) | System and method for packaging and transporting a gas turbine | |
| CN103427388B (en) | A kind of mechanical structure cable duct sealing device | |
| CN110872846A (en) | Assembled steel corrugated comprehensive pipe gallery | |
| CN110397302B (en) | Hoop welding and reinforcing method for circular tube steel structure member | |
| CN103470908B (en) | For the distance sleeve device of the in-service permanent reparation of submarine pipeline | |
| CN102313629B (en) | Outfit for detecting plugging and choking of sewage pipelines and inspection wells by full air bag method | |
| CN106015784A (en) | Pipeline connector carried by unmanned ship | |
| CN209907415U (en) | Vertical jacking opening device for jacking pipe | |
| WO2022242153A1 (en) | Waterproof structure for side wall and tunnel in subway main body structure | |
| CN104006216A (en) | Offshore platform crude oil riser maintenance and replacement method and device | |
| CA1062924A (en) | Method of and device for forming a fluidtight duct transition through a wall | |
| CN214534875U (en) | Basement poling waterproof construction | |
| CA2883938A1 (en) | Apparatus and method for monitoring the integrity of a weld seam | |
| CN210194598U (en) | Foundation support engineering ground is wall construction joint case device even | |
| RU115438U1 (en) | SEALING SHAFT TYPE CHAMBER FOR REPAIR OF UNDERWATER TRANSITIONS OF PIPELINES | |
| KR100494356B1 (en) | Water Veer Engineering Method of Tubing Using Prefabricated Temporary Dam Watertight Material | |
| CN105822867A (en) | Internal expansion type rubber sealing ring and application thereof | |
| CN207762370U (en) | Pipeline is worn every component | |
| KR101853953B1 (en) | Installation structure of exhaust gas expulsion pipe and installation method thereof | |
| KR102650680B1 (en) | Sewer pipe non-digging partial repair device with improved performance and a sewer pipe non-digging partial repair method using thereof | |
| CN114855796B (en) | Multi-ship coordinated marine steel cylinder vibration sinking construction method | |
| CN108612072B (en) | Artificial island tower with fracture seams for submarine vacuum pipeline and method for repairing damaged artificial island tower | |
| CN210134446U (en) | Water stopping structure between auxiliary steel casing and composite steel pipe pile | |
| CN203716858U (en) | Hermetical mounting structure for drill air pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518057, 4th Floor, Main Building, Science and Technology Building, No. 1067 Nanhai Avenue, Nanshan District, Shenzhen, Guangdong Province Patentee after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: 518057, 4th Floor, Main Building, Science and Technology Building, No. 1067 Nanhai Avenue, Nanshan District, Shenzhen, Guangdong Province Patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |