CN105401577A - Suction type pile shoe suitable for self-lifting platform and mounting method - Google Patents
Suction type pile shoe suitable for self-lifting platform and mounting method Download PDFInfo
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- CN105401577A CN105401577A CN201410456301.5A CN201410456301A CN105401577A CN 105401577 A CN105401577 A CN 105401577A CN 201410456301 A CN201410456301 A CN 201410456301A CN 105401577 A CN105401577 A CN 105401577A
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Abstract
The invention relates to a suction type pile shoe suitable for a self-lifting platform and a mounting method. The suction type pile shoe comprises a top cover plate, main rib plates, reinforcement rib plates, upper transverse plates, an upper peripheral plate, a lower bearing plate, skirt plate main rib plates, skirt plate reinforcing rib plates, lower transverse plates, a lower peripheral skirt plate and a water injecting and draining pipe. The skirt plates are arranged on the lower portion of the pile shoe of a flying-saucer-shaped structure, so that a barrel foundation suction type structure is formed; by means of the mounting technology and characteristics of a suction type pile foundation, mounting of the pile shoe is simplified, the bearing capacity of the pile shoe is effectively improved, and certain pile sliding prevention capacity is achieved in a shallow soil layer; meanwhile, a cavity of the lower portion of the pile foundation is filled with water, so that certain upward jacking force is provided, and the pile pulling difficulty is effectively reduced.
Description
Technical field
The present invention relates to one and be applicable to self elevating platform shoe and mounting method, especially move suction type shoe and the mounting method of the jack-up unit used at marginal oil field and short-term.
Background technology
Marine jack-up unit is a kind of production equipment the most frequently used in Offshore Oil Industry.Its advantage is the landing that can hoist voluntarily, and hardly by the restriction of the conditions such as landform, installation period is short, go into operation fast, according to the requirement of different oil-gas field developments, can configure the facilities such as different production, life, equipment efficiency of usage is high, adaptive capacity is large, is a requisite part in offshore oil production system.
Marine jack-up unit generally uses the shoe of UFO-shape structure, its primary structure comprises top blind flange, arcuate peripheral plate, inner support gusset and bottom loaded plate, by welding with spud leg, possesses independently watertight structure, not only can provide support for platform, also possess certain ballast ability.But this common shoe needs to be pressed into the degree of depth certain in sea bed, in order to reach reliable supporting capacity requirement, platform needs repeatedly to inject/discharge ballast, and the operating time is long.On the sea bed that soil property is harder, bottom common shoe, lifting surface area is large, and it is more shallow that entirety enters mud, and horizontal resistant slide resistance is little, and under certain wind wave action, platform easily integral slipping occurs, i.e. sliding pile.Meanwhile, shoe needs the buoyancy utilizing platform self in the process of pile pulling, utilizes the pile pulling ability of lifting gear shoe to be extracted, and power consumption is large, and can only operate by single pile successively, risk is larger.
Present patent application proposes structural shape and the mounting method of the suction type shoe being applicable to self elevating platform just in this context.
Summary of the invention
Main purpose of the present invention is to provide a kind of the suction type shoe and the mounting method that are applicable to self elevating platform, by arranging skirtboard in shoe bottom, form cylinder base suction type structure, utilize suction type pile foundation mounting technique and feature thereof, simplify the installation of shoe, effective increase shoe supporting capacity, has certain antislide pile ability at shallow soil layer; Simultaneously by the cavity water-filling of lower portion pile foundation, provide certain upwards jack-up power, effectively reduce pile pulling difficulty.
The object of the invention is to be realized by following technical scheme:
Be applicable to the suction type shoe of self elevating platform, include top blind flange, main gusset, strengthen gusset, upper lateral plate, top peripheral plate, bottom loaded plate, skirtboard main gusset, gusset strengthened by skirtboard, lower, transverse plate, lower periphery skirtboard and note gutter, it is characterized in that described top blind flange is positioned at the top of described bottom loaded plate, described top blind flange, loaded plate center, described bottom is provided with center hole, spud leg is welded to connect by the center hole of described top blind flange and described top blind flange, described spud leg is welded to connect by the center hole of described bottom loaded plate and described bottom loaded plate, described top blind flange, described bottom loaded plate avris is provided with avris circular hole, described note gutter top is welded to connect by the avris circular hole of described top blind flange and described top blind flange, described note gutter bottom is welded with described bottom loaded plate by the avris circular hole of described bottom loaded plate, port and the suction pile of described note gutter are installed and are prized block and be connected, by during stake from the seawater that the described lower periphery skirtboard of interior discharge surrounds, accelerate the sinking of shoe, until the driving depth of designing requirement, when pile pulling, outside seawater is injected described lower periphery skirtboard inner, produce certain uplift resistance, the pile pulling power reducing lifting gear requires and power consumption, circumferentially alternately uniformly between described top blind flange bottom and loaded plate top, described bottom be provided with described main gusset and described reinforcement gusset, described main gusset inner end and described spud leg are welded to connect, described upper lateral plate is provided with between described main gusset, described main gusset sidepiece is connected with described upper lateral plate welding edges, described reinforcement gusset inner end and the outer middle side part of described upper lateral plate are welded to connect, described main gusset, the upper end of described reinforcement gusset and described upper lateral plate is connected with the lower weld of described top blind flange, described main gusset, the bottom of described reinforcement gusset and described upper lateral plate is connected with the upper weld of described bottom loaded plate, outer end and the described top peripheral plate of described main gusset and described reinforcement gusset are welded to connect, described bottom loaded plate is circumferentially alternately uniform is provided with described skirtboard main gusset and gusset strengthened by described skirtboard, described skirtboard main gusset inner end and described spud leg are welded to connect, described lower, transverse plate is provided with between described skirtboard main gusset, described skirtboard main gusset sidepiece is connected with described lower, transverse plate welding edges, gusset inner end strengthened by described skirtboard and the outer middle side part of described lower, transverse plate is welded to connect, described skirtboard main gusset, the upper end that described skirtboard strengthens gusset and described lower, transverse plate is connected with the lower weld of described bottom loaded plate, outer end and the described lower periphery skirtboard of described skirtboard main gusset and described skirtboard reinforcement gusset are welded to connect, the upper end of described lower periphery skirtboard is connected with the lower weld of described bottom loaded plate.
The position one_to_one corresponding of gusset and described lower, transverse plate and described main gusset, described reinforcement gusset and described upper lateral plate strengthened by described skirtboard main gusset, described skirtboard.
Be applicable to the mounting method of the suction type shoe of self elevating platform, comprise the following steps:
(1) determine platform on-station position soil property, remove underwater obstacle and affect the attached framework of stage+module, the part needs being greater than 3 ‰ to the sea bed gradient are taked to dredge levelling;
(2) platform towage arrives the position that hoists, and casts anchor in place;
(3) start lifting gear decline spud leg, cannot continue to decline until touch mud;
(4) suction pile injection sled block is installed, coordinates lifting gear action, injection is carried out to bucket foundation, until cannot sedimentation, remove sled block;
(5) lift bench exceeds about 1m height to bottom from high water mark, with 1.1 of pile crown power times of load, ballast water is injected the ballast tank of setting;
(6), after ballast pressure completely puts in place, namely shoe no longer carries out next step operation without sedimentation;
(7) drain ballast water, lift bench, to job requirement height, locks jacking system;
(8) process equipment debugging, realizes putting into operation.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme, by arranging skirtboard in shoe bottom, form cylinder base suction type structure, utilize suction type pile foundation mounting technique and feature thereof, simplify the installation of shoe, effective increase shoe supporting capacity, has certain antislide pile ability at shallow soil layer; Simultaneously by the cavity water-filling of lower portion pile foundation, provide certain upwards jack-up power, effectively reduce pile pulling difficulty.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing illustrates:
Fig. 1 is axonometric drawing of the present invention;
Fig. 2 is longitudinal plan of the present invention.
Major label description in figure:
1-spud leg; 2-upper lateral plate; 3-top blind flange; 4-main gusset; 5-strengthen gusset; 6-bottom loaded plate; 7-top peripheral plate; 8-lower periphery skirtboard; Gusset strengthened by 9-skirtboard; 10-skirtboard main gusset; 11-lower, transverse plate; 12-note gutter.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the present invention is described in detail.
As shown in Figure 1-2, the present invention includes top blind flange 3, main gusset 4, reinforcement gusset 5, upper lateral plate 2, top peripheral plate 7, bottom loaded plate 6, skirtboard main gusset 10, skirtboard reinforcement gusset 9, lower, transverse plate 11, lower periphery skirtboard 8 and note gutter 12, top blind flange 3 is positioned at the top of bottom loaded plate 6, top blind flange 3, bottom loaded plate 6 center are provided with center hole, spud leg 1 is welded to connect by the center hole of top blind flange 3 and top blind flange 3, and spud leg 1 is welded to connect by the center hole of bottom loaded plate 6 and bottom loaded plate 6, top blind flange 3, bottom loaded plate 6 avris is provided with avris circular hole, note gutter 12 top is welded to connect by the avris circular hole of top blind flange 3 and top blind flange 3, note gutter 12 bottom is welded with bottom loaded plate 6 by the avris circular hole of bottom loaded plate 6, the note port of gutter 12 and suction pile are installed and are prized block and be connected, by during stake from the seawater that interior discharge lower periphery skirtboard 8 surrounds, accelerate the sinking of shoe, until the driving depth of designing requirement, when pile pulling, outside seawater is injected lower periphery skirtboard 8 inner, produce certain uplift resistance, the pile pulling power reducing lifting gear requires and power consumption, circumferentially alternately uniformly between top blind flange 3 bottom and bottom loaded plate 6 top be provided with main gusset 4 and strengthen gusset 5, main gusset 4 inner end and spud leg 1 are welded to connect, in order to limit main gusset 4 bending deformation, upper lateral plate 2 is provided with between main gusset 4, main gusset 4 sidepiece is connected with upper lateral plate 2 welding edges, reinforcement gusset 5 inner end and the outer middle side part of upper lateral plate 2 are welded to connect, main gusset 4, the upper end strengthening gusset 5 and upper lateral plate 2 is connected with the lower weld of top blind flange 3, main gusset 4, the bottom strengthening gusset 5 and upper lateral plate 2 is connected with the upper weld of bottom loaded plate 6, outer end and the top peripheral plate 7 of main gusset 4 and reinforcement gusset 5 are welded to connect, bottom loaded plate 6 circumferentially replaces the uniform skirtboard main gusset 10 that is provided with and strengthens gusset 9 with skirtboard, skirtboard main gusset 10 inner end and spud leg 1 are welded to connect, lower, transverse plate 11 is provided with between skirtboard main gusset 10, skirtboard main gusset 10 sidepiece is connected with lower, transverse plate 11 welding edges, gusset 9 inner end strengthened by skirtboard and the outer middle side part of lower, transverse plate 11 is welded to connect, skirtboard main gusset 10, the upper end that skirtboard strengthens gusset 9 and lower, transverse plate 11 is connected with the lower weld of bottom loaded plate 6, outer end and the lower periphery skirtboard 8 of skirtboard main gusset 10 and skirtboard reinforcement gusset 9 are welded to connect, the upper end of lower periphery skirtboard 8 is connected with the lower weld of bottom loaded plate 6.Skirtboard main gusset 10, skirtboard strengthen gusset 9 and lower, transverse plate 11 and main gusset 4, the position one_to_one corresponding strengthening gusset 5 and upper lateral plate 2.
The implementation step that the present invention coordinates jack-up unit to use is:
(1) determine platform on-station position soil property, remove underwater obstacle and affect the attached framework of stage+module, the part needs being greater than 3 ‰ to the sea bed gradient are taked to dredge levelling;
(2) platform towage arrives the position that hoists, and casts anchor in place;
(3) start lifting gear decline spud leg 1, cannot continue to decline until touch mud;
(4) suction pile injection sled block is installed, coordinates lifting gear action, injection is carried out to bucket foundation, until cannot sedimentation, remove sled block;
(5) lift bench exceeds about 1m height to bottom from high water mark, with 1.1 of pile crown power times of load, ballast water is injected the ballast tank of setting;
(6), after ballast pressure completely puts in place, namely shoe no longer carries out next step operation without sedimentation;
(7) drain ballast water, lift bench, to job requirement height, locks jacking system;
(8) process equipment debugging, realizes putting into operation.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (3)
1. be applicable to the suction type shoe of self elevating platform, include top blind flange, main gusset, strengthen gusset, upper lateral plate, top peripheral plate, bottom loaded plate, skirtboard main gusset, gusset strengthened by skirtboard, lower, transverse plate, lower periphery skirtboard and note gutter, it is characterized in that described top blind flange is positioned at the top of described bottom loaded plate, described top blind flange, loaded plate center, described bottom is provided with center hole, spud leg is welded to connect by the center hole of described top blind flange and described top blind flange, described spud leg is welded to connect by the center hole of described bottom loaded plate and described bottom loaded plate, described top blind flange, described bottom loaded plate avris is provided with avris circular hole, described note gutter top is welded to connect by the avris circular hole of described top blind flange and described top blind flange, described note gutter bottom is welded with described bottom loaded plate by the avris circular hole of described bottom loaded plate, port and the suction pile of described note gutter are installed and are prized block and be connected, by during stake from the seawater that the described lower periphery skirtboard of interior discharge surrounds, accelerate the sinking of shoe, until the driving depth of designing requirement, when pile pulling, outside seawater is injected described lower periphery skirtboard inner, produce certain uplift resistance, the pile pulling power reducing lifting gear requires and power consumption, circumferentially alternately uniformly between described top blind flange bottom and loaded plate top, described bottom be provided with described main gusset and described reinforcement gusset, described main gusset inner end and described spud leg are welded to connect, described upper lateral plate is provided with between described main gusset, described main gusset sidepiece is connected with described upper lateral plate welding edges, described reinforcement gusset inner end and the outer middle side part of described upper lateral plate are welded to connect, described main gusset, the upper end of described reinforcement gusset and described upper lateral plate is connected with the lower weld of described top blind flange, described main gusset, the bottom of described reinforcement gusset and described upper lateral plate is connected with the upper weld of described bottom loaded plate, outer end and the described top peripheral plate of described main gusset and described reinforcement gusset are welded to connect, described bottom loaded plate is circumferentially alternately uniform is provided with described skirtboard main gusset and gusset strengthened by described skirtboard, described skirtboard main gusset inner end and described spud leg are welded to connect, described lower, transverse plate is provided with between described skirtboard main gusset, described skirtboard main gusset sidepiece is connected with described lower, transverse plate welding edges, gusset inner end strengthened by described skirtboard and the outer middle side part of described lower, transverse plate is welded to connect, described skirtboard main gusset, the upper end that described skirtboard strengthens gusset and described lower, transverse plate is connected with the lower weld of described bottom loaded plate, outer end and the described lower periphery skirtboard of described skirtboard main gusset and described skirtboard reinforcement gusset are welded to connect, the upper end of described lower periphery skirtboard is connected with the lower weld of described bottom loaded plate.
2. the suction type shoe being applicable to self elevating platform according to claim 1, is characterized in that the position one_to_one corresponding of gusset and described lower, transverse plate and described main gusset, described reinforcement gusset and described upper lateral plate strengthened by described skirtboard main gusset, described skirtboard.
3. adopt the mounting method being applicable to the suction type shoe of self elevating platform as described in claim 1-2 any one, comprise the following steps:
(1) determine platform on-station position soil property, remove underwater obstacle and affect the attached framework of stage+module, the part needs being greater than 3 ‰ to the sea bed gradient are taked to dredge levelling;
(2) platform towage arrives the position that hoists, and casts anchor in place;
(3) start lifting gear decline spud leg, cannot continue to decline until touch mud;
(4) suction pile injection sled block is installed, coordinates lifting gear action, injection is carried out to bucket foundation, until cannot sedimentation, remove sled block;
(5) lift bench exceeds about 1m height to bottom from high water mark, with 1.1 of pile crown power times of load, ballast water is injected the ballast tank of setting;
(6), after ballast pressure completely puts in place, namely shoe no longer carries out next step operation without sedimentation;
(7) drain ballast water, lift bench, to job requirement height, locks jacking system;
(8) process equipment debugging, realizes putting into operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456301.5A CN105401577B (en) | 2014-09-10 | 2014-09-10 | Suction type shoe and installation method suitable for self elevating platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410456301.5A CN105401577B (en) | 2014-09-10 | 2014-09-10 | Suction type shoe and installation method suitable for self elevating platform |
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| CN105401577A true CN105401577A (en) | 2016-03-16 |
| CN105401577B CN105401577B (en) | 2017-09-01 |
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| CN201410456301.5A Active CN105401577B (en) | 2014-09-10 | 2014-09-10 | Suction type shoe and installation method suitable for self elevating platform |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759445A (en) * | 2017-02-23 | 2017-05-31 | 天津大学 | A kind of combined type bucket foundation with skirtboard and its construction method |
| CN106836265A (en) * | 2017-02-23 | 2017-06-13 | 天津大学 | A kind of gravity type bucket foundation with skirtboard and its construction method |
| CN106906839A (en) * | 2017-02-23 | 2017-06-30 | 天津大学 | A kind of combined type bucket foundation with skirtboard and its construction method |
| CN108945327A (en) * | 2018-07-25 | 2018-12-07 | 惠生（南通）重工有限公司 | The suction pile of buoyant tower platform |
| CN111356818A (en) * | 2017-09-07 | 2020-06-30 | 艾奎诺能源公司 | Ocean suction anchor |
| CN111424625A (en) * | 2020-04-23 | 2020-07-17 | 大连理工大学 | Self-elevating platform and intertidal zone fan installation platform suction type pile shoe, and test device and method thereof |
| CN112796340A (en) * | 2021-01-25 | 2021-05-14 | 深洋海工技术(深圳)有限公司 | A new type of marine suction pile and its construction method |
| CN114182728A (en) * | 2021-12-23 | 2022-03-15 | 中国石油大学(华东) | Pile shoe capable of solidifying soil body and installation method thereof |
| CN114382102A (en) * | 2020-10-22 | 2022-04-22 | 天津市海王星海上工程技术股份有限公司 | Marine fixed structure foundation negative pressure cylinder and installation method |
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| CN204059351U (en) * | 2014-09-10 | 2014-12-31 | 天津市海王星海上工程技术股份有限公司 | A kind of suction type shoe being applicable to self elevating platform |
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Patent Citations (3)
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759445A (en) * | 2017-02-23 | 2017-05-31 | 天津大学 | A kind of combined type bucket foundation with skirtboard and its construction method |
| CN106836265A (en) * | 2017-02-23 | 2017-06-13 | 天津大学 | A kind of gravity type bucket foundation with skirtboard and its construction method |
| CN106906839A (en) * | 2017-02-23 | 2017-06-30 | 天津大学 | A kind of combined type bucket foundation with skirtboard and its construction method |
| CN111356818A (en) * | 2017-09-07 | 2020-06-30 | 艾奎诺能源公司 | Ocean suction anchor |
| CN108945327A (en) * | 2018-07-25 | 2018-12-07 | 惠生（南通）重工有限公司 | The suction pile of buoyant tower platform |
| CN108945327B (en) * | 2018-07-25 | 2024-03-22 | 惠生清洁能源科技集团股份有限公司 | Suction pile of buoyancy tower platform |
| CN111424625A (en) * | 2020-04-23 | 2020-07-17 | 大连理工大学 | Self-elevating platform and intertidal zone fan installation platform suction type pile shoe, and test device and method thereof |
| CN111424625B (en) * | 2020-04-23 | 2021-11-05 | 大连理工大学 | Self-elevating platform and intertidal zone fan installation platform suction type pile shoe, and test device and method thereof |
| CN114382102A (en) * | 2020-10-22 | 2022-04-22 | 天津市海王星海上工程技术股份有限公司 | Marine fixed structure foundation negative pressure cylinder and installation method |
| CN112796340A (en) * | 2021-01-25 | 2021-05-14 | 深洋海工技术(深圳)有限公司 | A new type of marine suction pile and its construction method |
| CN114182728A (en) * | 2021-12-23 | 2022-03-15 | 中国石油大学(华东) | Pile shoe capable of solidifying soil body and installation method thereof |
| CN114182728B (en) * | 2021-12-23 | 2023-08-25 | 中国石油大学(华东) | A spud can that can consolidate soil and its installation method |
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