CN203268297U - Self-elevating platform cantilever beam sliding base - Google Patents
Self-elevating platform cantilever beam sliding base Download PDFInfo
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- CN203268297U CN203268297U CN 201320216914 CN201320216914U CN203268297U CN 203268297 U CN203268297 U CN 203268297U CN 201320216914 CN201320216914 CN 201320216914 CN 201320216914 U CN201320216914 U CN 201320216914U CN 203268297 U CN203268297 U CN 203268297U
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- cantilever beam
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Abstract
The utility model discloses a self-elevating platform cantilever beam sliding base. Base bodies (1) are arranged on the left side and the right side of a ship of a platform respectively. Each base body (1) is composed of a rolling seat (2), a clamping seat (3), a first transverse limiting seat (5-1), a first supporting seat (4-1), a second transverse limiting seat (5-2), a second supporting seat (4-2) and a longitudinal limiting seat (6), wherein the seats are sequentially arranged from the portion of a stern transom plate of the platform. The whole structures of components of the base bodies are respectively inserted in a main ship body. The rolling mode is adopted by the tail portion of the cantilever beam sliding base, so that the friction coefficient is reduced, the requirement for the maximum load of a sliding hydraulic system is lowered, a cantilever beam can retract conveniently in the maximum outward extending state, and meanwhile the friction consumption of a panel of the cantilever beam is reduced.
Description
Technical field:
The utility model relates to a kind of cantilever beam mobile foundation of the jack-up platform for offshore oil and the construction of natural gas fields.
Background technology:
Jack-up drilling unit is divided into two kinds of cantilevered and groove types when carrying out operation, initial drilling platform all adopts groove type, its form is simple, performance is lower, applicability is relatively poor, especially taken a large amount of main body spaces, cause the engine room arrangement difficulty, the capacity of ballast water is less, and the main deck usable area is limited.
At present, jack-up drilling unit has generally adopted cantilevered, and it has operating area widely, has increased usage space, and the operational capability of platform is significantly promoted.
The jack-up drilling unit of the operating water depth of main flow below 300ft generally adopts afterbody cliding friction formula cantilever beam in the world, and it requires larger skid force, and the execute-in-place difficulty is for cantilever beam slipping area plate structure serious wear, larger to the slippage devices consume.
Because cliding friction needs larger skid force, in order to satisfy requirement of strength, side direction chute board size and the thickness of cantilever beam are all larger, have increased construction, welding difficulty, and formed precision is relatively poor.
Limited by the limit of skid force, cantilever beam is maximum to be regained when overhanging smoothly in order to make, and often sacrifices larger drilling well load, has reduced production efficiency.
Traditional cantilever beam slipping base lacks special-purpose towage sealing device, needs to consider separately structural strengthening and sealing mode.
Summary of the invention:
The utility model provides a kind of roll mode of taking for the above-mentioned deficiency of prior art, greatly reduces the dysgenic jack-up platform cantilever beam slipping base that friction causes.
The technical solution of this book utility model is: a kind of jack-up platform cantilever beam slipping base, pedestal is separately positioned on the port and starboard of platform, pedestal is to be arranged in order from the platform stern transom plate and to be formed by the seat that rolls, clamping seats, the first cross spacing seat, the first supporting base, the second cross spacing seat, the second supporting base, longitudinal spacing seat, and each constituent elements integral structure of said base all inserts main body.
Pedestal width between centers main body line of centers 8.5m is with main body, the contraposition of cantilever beam main beam structure.
The place arranges the rolling seat at the jack-up platform stern transom plate, wide 1678 ㎜ of long 3360 ㎜, and the seat that rolls is provided with the vertical riser of two spacing 656 ㎜, is provided with kneepiece, 12 of every sides outside riser; Can place many group antifriction-bearing boxs in the rolling seat, and end limited location bracket; A place ahead arranges two jack devices rolling.
At distance jack-up platform stern transom plate 16.3m place, clamping seats is set, wide 1168 ㎜ of long 1830 ㎜, clamping seats is provided with the vertical riser that two spacings are 660 ㎜; On top, the clamping seats outside, one group of limiting stopper is set; In the vertical riser of clamping seats inboard, be provided with the buckle of wide 152 ㎜ of group leader 1830 ㎜.
At distance jack-up platform stern transom plate 25.8m, 36.425m place, first, second supporting base is set respectively respectively, wide 1620 ㎜ of long 1520 ㎜, each supporting base is equipped with the vertical riser that two spacings are 660 ㎜, and the riser outside is provided with kneepiece, 4 of every sides.
At distance jack-up platform stern transom plate 18.4m, 32.8m place, first, second cross spacing seat is set respectively respectively, is located at the outside of cantilever beam; Each cross spacing seat is equipped with the voussoir of long 915 ㎜ of a thickness 90 ㎜.
At distance jack-up platform stern transom plate 42.026m place, the longitudinal spacing seat is set, wholely becomes approximate side tapered, wide 910 ㎜ of long 1020 ㎜ establish the wide 136 ㎜ holes of long 175 ㎜ in the middle of the longitudinal spacing seat; Place a square latch in the hole, the cross section is 134 ㎜ * 134 ㎜, and long 280 ㎜ arrange cover plate and eye plate above latch.
The utlity model has following advantage:
1, the utility model cantilever beam pedestal afterbody adopts roll mode, has reduced friction coefficient, to the requirement reduction of slippage hydraulic efficiency pressure system maximum load, is convenient to the recovery of cantilever beam under the overhanging state of maximum, has reduced simultaneously the frictional loss of cantilever beam panel.
2, the utility model cantilever beam pedestal possesses two groups of horizontal limit devices, and one group of longitudinal limiting device is convenient to the sealing of cantilever beam in platform towage process, and is simple to operate, easy to use.
3, the utility model cantilever beam pedestal afterbody has jack and reinforcement thereof, vertical jack-up under cantilever beam recovery state can be convenient to maintenance and the replacing of cantilever beam pedestal rolling equipment, greatly shortens the maintenance cycle of equipment, has reduced maintenance cost.
4, each constituent elements of the utility model cantilever beam pedestal can be realized building respectively, finally closes up, and shortening production cycle, be convenient to welding fabrication effectively, and convenient precision control of building, and has guaranteed greatly to close up precision.
5, the utility model cantilever beam pedestal is provided with cantilever beam slippage limit position limiting structure on clamp base, and namely buckle, be convenient to observe cantilever beam and whether reach maximum overhanging value, is conducive to cantilever beam slippage operation.
When 6, the utility model cantilever beam pedestal can guarantee that cantilever beam reclaims fully, observation, the replacing of rear member apart from stern transom plate 1506 ㎜, are convenient in the end.
7, the utility model cantilever beam pedestal can guarantee vertically maximum overhanging main body stern transom plate 15.24m of the cantilever beam well heart smoothly, and can carry out oil field operation in the 300ft depth of water.
Description of drawings:
Fig. 1 is the birds-eye view of the utility model pedestal.
Fig. 2 is the lateral plan of the utility model pedestal;
Fig. 3 is the birds-eye view of the utility model rolling seat;
Fig. 4 is the lateral plan of the utility model rolling seat;
Fig. 5 is the birds-eye view of the utility model clamping seats;
Fig. 6 is the lateral plan of the utility model clamping seats;
Fig. 7 is the birds-eye view of the utility model supporting seat;
Fig. 8 is the lateral plan of the utility model supporting seat;
Fig. 9 is the birds-eye view of the utility model cross spacing seat;
Figure 10 is the lateral plan of the utility model cross spacing seat;
Figure 11 is the birds-eye view of the utility model longitudinal spacing seat;
Figure 12 is the structural representation of the utility model longitudinal spacing seat latch.
Figure 13 is the lateral plan of Figure 11.
The specific embodiment:
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Fig. 1～12, a kind of jack-up platform cantilever beam slipping base, pedestal 1 is separately positioned on the port and starboard of platform, pedestal 1 is to be arranged in order from the platform stern transom plate and to be formed by the seat 2 that rolls, clamping seats 3, the first cross spacing seat 5-1, the first supporting base 4-1, the second cross spacing seat 5-2, the second supporting base 4-2, longitudinal spacing seat 6, and each constituent elements integral structure of said base all inserts main body.Cantilever beam pedestal width between centers main body line of centers 8.5m is with main body, the contraposition of cantilever beam main beam structure; Cantilever beam pedestal 1 satisfies cantilever beam 445 ㎜ At The Heights on main deck by support seat and bearing and vertically moves.
The seat 2 that rolls is set at jack-up platform stern transom plate place, and wide 1678 ㎜ of long 3360 ㎜ bear the vertical force that cantilever beam produces when overhanging; The seat 2 that rolls is provided with the vertical riser of two spacing 656 ㎜, is provided with kneepiece 21 outside riser as support, 12 of every sides; Can place many group antifriction-bearing boxs 22 in the rolling seat, and end limited location bracket 23; 2 the place ahead arranges two jack devices 24 rolling.
At distance jack-up platform stern transom plate 16.3m place, clamping seats 3 is set, wide 1168 ㎜ of long 1830 ㎜ bear the vertical counter-force that cantilever beam produces when overhanging; Clamping seats 3 is provided with the vertical riser that two spacings are 660 ㎜; On top, the clamping seats outside, one group of limiting stopper 31 is set; In the vertical riser of clamping seats inboard, be provided with the buckle 32 of wide 152 ㎜ of group leader 1830 ㎜, the cantilever beam panel can be fastened fixing when overhanging as cantilever beam.
At distance jack-up platform stern transom plate 25.8m, 36.425m place, first, second supporting base 4-1,4-2 are set respectively respectively, wide 1620 ㎜ of long 1520 ㎜ bear the vertical load of cantilever beam.Each supporting base is equipped with the vertical riser that two spacings are 660 ㎜, is provided with kneepiece 41,4 of every sides outside riser.
At distance jack-up platform stern transom plate 18.4m, 32.8m place, first, second cross spacing seat 5-1,5-2 are set respectively respectively, are located at the outside of cantilever beam, be used for the horizontal sealing of cantilever beam under towing condition; Each cross spacing seat is equipped with the voussoir 51 of long 915 ㎜ of a thickness 90 ㎜.
At distance jack-up platform stern transom plate 42.026m place, longitudinal spacing seat 6 is set, wholely becomes approximate side tapered, wide 910 ㎜ of long 1020 ㎜ are used for the vertical sealing of cantilever beam under towing condition; Establish the wide 136 ㎜ holes of long 175 ㎜ in the middle of longitudinal spacing seat 6; Place a square latch 61 in the hole, the cross section is 134 ㎜ * 134 ㎜, and long 280 ㎜ arrange cover plate 62 and eye plate 63 convenient operations above latch.
Whole cantilever beam pedestal 1, population distribution in 42.026m length, can satisfy the maximum outreach stern transom plate of cantilever beam well heart 15.24m on the jack-up platform main deck; Can guarantee that the cantilever beam afterbody all regains 1506 ㎜ in main body, carry out laterally, locate longitudinally sealing under this state, to satisfy the requirement of towing condition.
The material yield intensity of cantilever beam pedestal clamping seats of the present utility model and longitudinal spacing seat is 450MPa; The material yield intensity of all the other pedestals is 355MPa.
Claims (7)
1. jack-up platform cantilever beam slipping base, it is characterized in that: pedestal (1) is separately positioned on the port and starboard of platform, pedestal (1) is to be arranged in order from the platform stern transom plate and to be formed by roll seat (2), clamping seats (3), the first cross spacing seat (5-1), the first supporting base (4-1), the second cross spacing seat (5-2), the second supporting base (4-2), longitudinal spacing seat (6), and each constituent elements integral structure of said base all inserts main body.
2. a kind of jack-up platform cantilever beam slipping base according to claim 1 is characterized in that: pedestal width between centers main body line of centers 8.5m, and with main body, the contraposition of cantilever beam main beam structure.
3. a kind of jack-up platform cantilever beam slipping base according to claim 1, it is characterized in that: the place arranges the seat (2) that rolls at the jack-up platform stern transom plate, wide 1678 ㎜ of long 3360 ㎜, the seat (2) that rolls is provided with the vertical riser of two spacing 656 ㎜, the riser outside is provided with kneepiece (21), 12 of every sides; Can place many group antifriction-bearing boxs (22) in the rolling seat, and end limited location bracket (23); (a 2) the place ahead arranges two jack devices (24) rolling.
4. a kind of jack-up platform cantilever beam slipping base according to claim 1, it is characterized in that: at distance jack-up platform stern transom plate 16.3m place, clamping seats (3) is set, wide 1168 ㎜ of long 1830 ㎜, clamping seats (3) is provided with the vertical riser that two spacings are 660 ㎜; On top, the clamping seats outside, one group of limiting stopper (31) is set; In the vertical riser of clamping seats inboard, be provided with the buckle (32) of wide 152 ㎜ of group leader 1830 ㎜.
5. a kind of jack-up platform cantilever beam slipping base according to claim 1, it is characterized in that: at distance jack-up platform stern transom plate 25.8m, 36.425m place, first, second supporting base (4-1,4-2) is set respectively respectively, wide 1620 ㎜ of long 1520 ㎜, each supporting base is equipped with the vertical riser that two spacings are 660 ㎜, the riser outside is provided with kneepiece (41), 4 of every sides.
6. a kind of jack-up platform cantilever beam slipping base according to claim 1 is characterized in that: at distance jack-up platform stern transom plate 18.4m, 32.8m place, first, second cross spacing seat (5-1,5-2) is set respectively respectively, is located at the outside of cantilever beam; Each cross spacing seat is equipped with the voussoir (51) of long 915 ㎜ of a thickness 90 ㎜.
7. a kind of jack-up platform cantilever beam slipping base according to claim 1, it is characterized in that: at distance jack-up platform stern transom plate 42.026m place, longitudinal spacing seat (6) is set, the approximate side of whole one-tenth is tapered, wide 910 ㎜ of long 1020 ㎜ establish the wide 136 ㎜ holes of long 175 ㎜ in the middle of longitudinal spacing seat (6); Place a square latch (61) in the hole, the cross section is 134 ㎜ * 134 ㎜, and long 280 ㎜ arrange cover plate (62) and eye plate (63) above latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216914 CN203268297U (en) | 2013-04-25 | 2013-04-25 | Self-elevating platform cantilever beam sliding base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216914 CN203268297U (en) | 2013-04-25 | 2013-04-25 | Self-elevating platform cantilever beam sliding base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203268297U true CN203268297U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320216914 Expired - Lifetime CN203268297U (en) | 2013-04-25 | 2013-04-25 | Self-elevating platform cantilever beam sliding base |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943819A (en) * | 2014-03-25 | 2015-09-30 | 上海外高桥造船有限公司 | Cantilever beam double-section type construction method |
| CN105599869A (en) * | 2014-11-21 | 2016-05-25 | 中石化胜利石油工程有限公司钻井工艺研究院 | Cantilever pushing plug pin device of ocean platform |
| CN106628033A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Expandable deck self-elevating platform |
| CN106628032A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Moving and locking device for cantilever beam |
| CN111774815A (en) * | 2020-06-30 | 2020-10-16 | 南通振华重型装备制造有限公司 | Method for building cantilever beam base of self-elevating drilling platform |
-
2013
- 2013-04-25 CN CN 201320216914 patent/CN203268297U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943819A (en) * | 2014-03-25 | 2015-09-30 | 上海外高桥造船有限公司 | Cantilever beam double-section type construction method |
| CN104943819B (en) * | 2014-03-25 | 2017-06-16 | 上海外高桥造船有限公司 | Cantilever beam two-part method of construction |
| CN105599869A (en) * | 2014-11-21 | 2016-05-25 | 中石化胜利石油工程有限公司钻井工艺研究院 | Cantilever pushing plug pin device of ocean platform |
| CN106628033A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Expandable deck self-elevating platform |
| CN106628032A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Moving and locking device for cantilever beam |
| CN106628032B (en) * | 2015-10-30 | 2019-08-23 | 中石化石油工程技术服务有限公司 | A kind of cantilever beam is mobile and locking device |
| CN111774815A (en) * | 2020-06-30 | 2020-10-16 | 南通振华重型装备制造有限公司 | Method for building cantilever beam base of self-elevating drilling platform |
| CN111774815B (en) * | 2020-06-30 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for building cantilever beam base of self-elevating drilling platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |