CN220977946U - Lifting system for ocean platform and self-elevating ocean platform - Google Patents
Lifting system for ocean platform and self-elevating ocean platform Download PDFInfo
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- CN220977946U CN220977946U CN202323052615.2U CN202323052615U CN220977946U CN 220977946 U CN220977946 U CN 220977946U CN 202323052615 U CN202323052615 U CN 202323052615U CN 220977946 U CN220977946 U CN 220977946U
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- 239000007787 solid Substances 0.000 claims abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 description 11
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a lifting system for an ocean platform and a self-elevating ocean platform, wherein the ocean platform comprises a platform main body and pile legs, and the lifting system comprises: the outer pile fixing frame is used for being connected with the platform main body; the inner fixed pile frame is positioned at the inner side of the outer fixed pile frame; the lifting unit is arranged on the internal pile frame and connected with the pile leg to drive the platform main body to move up and down along the pile leg; wherein, the top surface of interior solid pile frame with be equipped with buffer structure between the bottom surface of outer solid pile frame. According to the lifting system provided by the utility model, when the lifting system is used for the self-elevating ocean platform, impact load can be effectively prevented from directly acting on the lifting unit, and the service life of the lifting system is prolonged.
Description
Technical Field
The utility model relates to the technical field of ocean platforms, in particular to a lifting system for an ocean platform and a self-elevating ocean platform.
Background
The self-elevating ocean platform system is a key part of the self-elevating ocean platform and is also a difficulty of the ocean platform related to manufacturing. The lifting system is generally arranged at the joint of the pile leg and the pile leg main body of the self-elevating ocean platform, and drives the platform main body to move up and down through the lifting device.
The legs of the platform are secured by a pile-securing frame, which is typically welded to the platform body, and the lifting units in the lifting system are typically mounted on the pile-securing frame. That is, the pile fixing frame fixedly connects the platform body and the pile leg at the same time, so that the pile fixing frame will bear the load transferred from the pile leg to the platform under various working conditions during use, and the impact load transferred from the pile leg to the pile fixing frame will be directly transferred to the lifting unit due to the fact that the lifting unit is mounted on the pile fixing frame, which will directly result in a reduction of the service life of the lifting system.
Disclosure of utility model
In view of the above, the present utility model provides a lifting system for an ocean platform, which can effectively avoid impact load directly acting on a lifting unit, thereby improving the service life of the lifting system.
The utility model also provides a self-elevating ocean platform with the lifting system.
In order to solve the technical problems, the utility model adopts the following technical scheme:
According to an embodiment of the first aspect of the present utility model, a lifting system for an ocean platform, the ocean platform including a platform body and a spud leg, the lifting system comprising:
The outer pile fixing frame is used for being connected with the platform main body;
the inner fixed pile frame is positioned at the inner side of the outer fixed pile frame;
the lifting unit is arranged on the internal pile frame and connected with the pile leg to drive the platform main body to move up and down along the pile leg;
wherein, the top surface of interior solid pile frame with be equipped with buffer structure between the bottom surface of outer solid pile frame.
Further, the bottom surface of the internal pile frame is also provided with a lower buffer structure so as to be fixed on the deck through the lower buffer structure.
Further, the upper buffer structure and the lower buffer structure are both elastic deformation pieces.
Further, the elastically deforming member is formed as a spacer.
Further, racks are vertically arranged on the pile legs, and the lifting unit comprises gears meshed with the racks.
Further, the lifting unit includes a plurality of gears disposed in a vertical direction, and the gears of the plurality of lifting units are engaged with the racks.
Further, the ocean platform comprises three pile legs and three pile legs form a triangular truss type pile leg, racks are respectively arranged on two sides of each pile leg, inner fixed pile frames are symmetrically arranged on two sides of each pile leg, and two rows of lifting units are arranged on the inner fixed pile frames.
Further, the external fixed pile frame is welded with the platform main body.
According to a second aspect of the present utility model, a jack-up ocean platform according to an embodiment includes a lifting system according to the above embodiment, comprising:
a plurality of legs and a platform body;
a plurality of lifting systems;
the lifting systems are in one-to-one correspondence with the pile legs and are used for driving the platform main body to move up and down along the pile legs.
Further, the lifting system further comprises a plurality of connecting beams, and the connecting beams are connected with the lifting systems in a one-to-one correspondence mode.
The technical scheme of the utility model has at least one of the following beneficial effects:
According to the lifting system for the ocean platform, provided by the embodiment of the utility model, a split structure is arranged, a pile fixing frame is divided into an outer pile fixing frame and an inner pile fixing frame, wherein the outer pile fixing frame is connected with a platform main body, the inner pile fixing frame is arranged on the inner side of the outer pile fixing frame, and a lifting unit is arranged on the inner pile fixing frame and connected with pile legs to drive the platform main body to move up and down. An upper buffer structure is arranged between the top surface of the inner fixed pile frame and the bottom surface of the outer fixed pile frame. Through split type structure and set up buffer structure between outer solid pile frame and interior solid pile frame, outer solid pile frame and platform main part fixed connection and with the leg not lug connection, and be connected through the elevating unit between interior solid pile frame and the leg, can effectively avoid impact load direct action elevating unit, and then improve operating life of operating system.
Drawings
FIG. 1 is a schematic view of a lifting system for an ocean platform according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a pile holder in a lifting system according to an embodiment of the present utility model;
FIG. 3 is a top view of a jack-up ocean platform according to an embodiment of the present utility model;
fig. 4 is a partial structural side view of a jack-up ocean platform according to an embodiment of the present utility model.
Reference numerals:
1. Fixing a pile frame externally; 2. fixing a pile frame internally;
3. A lifting unit; 31. a gear;
4. an upper buffer structure; 5. a lower buffer structure;
100. A pile leg; 110. a rack; 200. a contact beam; 300. and a lifting system.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
A lifting system 300 for an ocean platform (hereinafter, sometimes to be simply referred to as "lifting system 300") according to an embodiment of the present utility model will be described in detail with reference to the accompanying drawings.
Specifically, as shown in fig. 1 to 2, a lifting system 300 for an ocean platform according to an embodiment of the present utility model may include: an outer fixed pile frame 1, an inner fixed pile frame 2 and a lifting unit 3.
The external pile frame 1 is used for connecting with a platform main body (not shown, corresponding to the lower part of the external pile frame 1 shown in fig. 1). The inner fixed pile frame 2 is positioned at the inner side of the outer fixed pile frame 1. The elevating unit 3 is installed on the internal fixed pile frame 2 and the elevating unit 3 is connected with the pile leg 100 to drive the platform body to move up and down. In addition, an upper buffer structure 4 is arranged between the top surface of the inner fixed pile frame 2 and the bottom surface of the outer fixed pile frame 1.
That is, as shown in fig. 1, a split structure is provided, dividing the pile-fixing frame into an outer pile-fixing frame 1 and an inner pile-fixing frame 2, the outer pile-fixing frame 1 being connected with the platform body, the inner pile-fixing frame 2 being provided inside the outer pile-fixing frame 1, the elevating unit 3 being mounted on the inner pile-fixing frame 2 and the elevating unit 3 being connected with the leg 100 to drive the platform body to move up and down along the leg 100. An upper buffer structure 4 is also arranged between the top surface of the inner fixed pile frame 2 and the bottom surface of the outer fixed pile frame 1. Thus, according to the lifting system 300 of the present utility model, the platform body is directly connected with the external pile frame through the split structure, and the lifting unit 3 is directly connected with the internal pile frame 2 without being directly connected with the external pile frame 1, and the upper buffer structure 4 is provided between the external pile frame 1 and the internal pile frame 2, so that the impact load applied to the external pile frame 1 under severe working conditions is buffered without being continuously transferred to the lifting unit 3 due to the upper buffer structure 4 between the external pile frame 1 and the internal pile frame 2, thereby effectively preventing the impact load from directly acting on the lifting unit 3 and further improving the service life of the lifting system 300.
In some embodiments of the present utility model, as shown in fig. 1, the bottom surface of the pile frame 2 is further provided with a lower buffer structure 5 to be fixed on a deck (not shown) by the lower buffer structure 5. That is, in addition to the upper buffer structure 4 disposed between the top surface of the inner pile frame 2 and the bottom surface of the outer pile frame 1, the lower buffer structure 5 is disposed between the ground of the inner pile frame 2 and the deck (not shown), so that the impact load under severe working conditions is further prevented from being transferred to the lifting unit 3 connected with the inner pile frame 2 through the deck, that is, the impact load is buffered in the upper and lower directions of the inner pile frame 2 through the upper buffer structure 4 and the lower buffer structure 5, so that the lifting unit 3 connected with the inner pile frame 2 is further protected, thereby further improving the overall impact resistance of the inner pile frame and prolonging the service life of the lifting system 300.
In some embodiments of the present utility model, the upper buffer structure 4 and the lower buffer structure 5 are both elastic deformation members. Through the use of elastic deformation parts, such as rubber parts, deformation is generated when the elastic deformation parts are stressed to absorb impact force, so that the impact load buffering and isolating effects are achieved, the impact of the impact force on the lifting unit 3 is effectively weakened, the impact resistance of the structure is enhanced, and the service life is prolonged.
In some embodiments of the present utility model, as shown in fig. 1, the elastically deforming member may be formed as a spacer. The gasket has simple structure, easy manufacture and installation, and can obtain different buffering and damping effects by adjusting the thickness of the gasket, and has simple manufacture and good effect.
In some embodiments of the present utility model, as shown in fig. 1 and 2, a rack 110 is vertically provided on the leg 100, and the elevation unit 3 includes a gear 31 engaged with the rack 110. That is, the rack 110 is disposed on the leg 100 along the vertical direction, the gear 31 engaged with the rack 110 is disposed on the lifting unit 3, and the lifting unit 3 drives the platform body to climb along the leg 100 by rotating the driving gear 31 by utilizing the gear 31 to engage with the rack 110, so that the transmission is accurate, the efficiency is high, and the load is large.
In some embodiments of the present utility model, as shown in fig. 1, the elevating unit 3 includes a plurality of elevating units 3 disposed in a vertical direction, and the gears 31 of the plurality of elevating units 3 are engaged with the racks 110. That is, the platform body is driven to climb vertically by providing a plurality of elevating units 3 in the vertical direction and the gears 31 of the elevating units 3 are engaged with the racks 110. Therefore, the lifting of the platform main body is more stable.
In some embodiments of the utility model, the external pile frame 1 is welded to the platform body. In some embodiments of the present utility model, for example, the bottom of the external pile frame 1 may be welded to the platform main body, and in other embodiments, the top of the external pile frame 1 may be welded to the platform main body, and the connection position between the external pile frame 1 and the platform main body should be determined according to specific design requirements, which is not limited, for example, the present utility model may be selected adaptively by comprehensively considering factors such as processing difficulty, use maintenance frequency, cost, etc. In addition, welding is a common connection manner, so that the structure between the external fixing pile frame 1 and the platform main body is more stable, and details are omitted here.
In some embodiments of the present utility model, as shown in fig. 3, three piles 100 are formed as triangular trusses, as shown in fig. 2, racks 110 are respectively provided on both sides of each pile 100 (i.e., two racks 110 are provided on each pile 100, and the two racks 110 are symmetrically arranged on the left and right), correspondingly, inner fixed piles 2 are symmetrically provided on both sides of each pile 100, the inner fixed piles 2 are symmetrically connected on both sides of the pile 100, and two rows of lifting units 3 are provided on the inner fixed piles 2. Referring to fig. 1 and 2, that is, the left and right sides of the leg 100 are symmetrically provided with the internal pile frame 2, two rows of lifting units 3 are provided on the internal pile frame 2 from top to bottom, and the internal pile frame 2 and the lifting units 3 are symmetrically provided on both sides of the leg 100, that is, the ocean platform as shown in fig. 3 comprises three legs 100 and three lifting systems 300 corresponding thereto, that is, three external pile frames 1, three internal pile frames 2 and six rows of lifting units 3. Therefore, the stability of climbing of the platform main body can be further improved, and the service life of the platform main body is prolonged.
Here, the leg 100 may be referred to as a chord, and the triangular truss structure as a whole is referred to as a leg, and in this case, the leg 100 referred to in the present application should be understood as a chord.
In addition, the embodiment of the utility model also provides a self-elevating ocean platform, as shown in fig. 3 to 4, which may include: a plurality of legs 100, a platform body, and a lifting system 300 for an ocean platform in the above-described embodiment of the utility model.
Wherein, the plurality of lifting systems 300 are used to drive the platform body to move up and down along the spud leg 100.
Specifically, as shown in fig. 3, the ocean platform is provided with a plurality of legs 100, and one lifting system 300 is mounted on each leg 100. The plurality of lifting systems 300 collectively drive the platform body up and down along the leg 100. When the platform works, the lifting systems 300 work in a coordinated manner, so that stable lifting is ensured; when encountering a large wave, the lifting system 300 automatically adjusts to keep the platform stable.
In some embodiments of the present utility model, as shown in fig. 3, a plurality of tie beams 200 are further included, and the plurality of tie beams 200 are connected between the external fixed piles 1 between two adjacent piles 100 in a one-to-one correspondence. The plurality of lifting systems 300 are connected in a one-to-one correspondence by providing the connecting beam 200, so that the respective lifting systems 300 can work in a coordinated, synchronous and stable manner when the platform is lifted.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A lifting system for an ocean platform, the ocean platform comprising a platform body and a spud leg, the lifting system comprising:
The outer pile fixing frame is used for being connected with the platform main body;
the inner fixed pile frame is positioned at the inner side of the outer fixed pile frame;
the lifting unit is arranged on the internal pile frame and connected with the pile leg to drive the platform main body to move up and down along the pile leg;
wherein, the top surface of interior solid pile frame with be equipped with buffer structure between the bottom surface of outer solid pile frame.
2. The lifting system of claim 1, wherein the bottom surface of the internal pile frame is further provided with a lower buffer structure to be fixed on the deck by the lower buffer structure.
3. The lift system of claim 2, wherein the upper and lower cushioning structures are elastically deformable members.
4. A lifting system as claimed in claim 3, wherein the elastically deformable member is formed as a shim.
5. The lifting system of claim 1, wherein a rack is vertically provided on the leg, and the lifting unit includes a gear engaged with the rack.
6. The lifting system according to claim 5, wherein the lifting unit includes a plurality of lifting units disposed in a vertical direction, the gears of the plurality of lifting units being engaged with the racks.
7. The lifting system according to claim 6, wherein the ocean platform comprises three piles and the three piles form a triangular truss pile, racks are respectively arranged on two sides of each pile, internal pile frames are symmetrically arranged on two sides of each pile, and two rows of lifting units are arranged on the internal pile frames.
8. The lift system of claim 1, wherein the external pile frame is welded to the platform body.
9. A jack-up ocean platform, comprising:
a plurality of legs and a platform body;
a plurality of lifting systems, said lifting systems are the lifting systems of any one of claim 1 to 8 respectively,
The lifting systems are in one-to-one correspondence with the spud legs and are used for driving the platform main body to move up and down along the spud legs.
10. The jack-up platform of claim 9, further comprising a plurality of contact beams, a plurality of said contact beams connecting a plurality of said lifting systems in a one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323052615.2U CN220977946U (en) | 2023-11-13 | 2023-11-13 | Lifting system for ocean platform and self-elevating ocean platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323052615.2U CN220977946U (en) | 2023-11-13 | 2023-11-13 | Lifting system for ocean platform and self-elevating ocean platform |
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| CN220977946U true CN220977946U (en) | 2024-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119162977A (en) * | 2024-11-04 | 2024-12-20 | 中集海洋工程研究院有限公司 | Offshore platform lifting system and offshore platform |
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- 2023-11-13 CN CN202323052615.2U patent/CN220977946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119162977A (en) * | 2024-11-04 | 2024-12-20 | 中集海洋工程研究院有限公司 | Offshore platform lifting system and offshore platform |
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