CN105926558B - A kind of Simple hoisting mechanism of self-elevating ocean platform - Google Patents
A kind of Simple hoisting mechanism of self-elevating ocean platform Download PDFInfo
- Publication number
- CN105926558B CN105926558B CN201610259262.9A CN201610259262A CN105926558B CN 105926558 B CN105926558 B CN 105926558B CN 201610259262 A CN201610259262 A CN 201610259262A CN 105926558 B CN105926558 B CN 105926558B
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- spud leg
- ring beam
- hoisting mechanism
- support plates
- simple hoisting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of Simple hoisting mechanisms of self-elevating ocean platform, belong to self-elevating ocean platform accessories field.The Simple hoisting mechanism includes:Cross cylinder, lift cylinder, spud leg and rotating ring beam, the length direction of the outer wall upper edge spud leg of spud leg are equipped with guidance tape, and the length direction of spud leg offers several grooves described in guidance tape upper edge;The rotating ring beam includes a ring beam and two the first support plates being fixedly connected respectively with the ring beam around spud leg arrangement, two first support plates are arranged vertically at the both sides of the guidance tape respectively, the horizontal concrete chute that can be connected with the groove is offered respectively in two first support plates, horizontal slide is provided with the sliding block that cocker is inserted in the groove in the horizontal concrete chute, the sliding block and the fit depressions.The area that the Simple hoisting mechanism occupies platform deck is small, simple in structure, and at low cost, lifting force is small and is applicable to the work such as subsea borehole, piling, leveling, jackstone.
Description
Technical field
The present invention relates to self-elevating ocean platform accessories field, more particularly to a kind of simple lifting of self-elevating ocean platform
Mechanism.
Background technology
In coastal waters construction field, the jack-up unit of the functions such as subsea borehole, piling, leveling, jackstone is needed, these
Function is relatively simple to Platform Requirements, and main general character requirement is:One need to be provided from wave invasion, the non-operation rocked
Platform deck face, which can adapt to frequent lifting platform migration, and reduce environmental load suffered by platform, meanwhile,
The lifting force that the elevating mechanism is capable of providing is less big and compact simple in structure, at low cost.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems:
In existing self-elevating ocean platform elevating mechanism, either gear rack lifting system or hydraulic bolt
Jacking system, the lifting force that they can be provided is excessive, and complicated, while it is big to occupy floor space, of high cost, therefore,
It is unsuitable for applying in the work such as subsea borehole, piling, leveling, jackstone.Therefore, for subsea borehole, piling, leveling, jackstone
Wait a kind of Simple hoisting mechanism of needs of work.
Invention content
In order to solve problem of the prior art, an embodiment of the present invention provides a kind of simple liftings of self-elevating ocean platform
Mechanism.The technical solution is as follows:
An embodiment of the present invention provides a kind of Simple hoisting mechanism of self-elevating ocean platform, including:Cross cylinder, promotion
Oil cylinder, spud leg and the rotating ring beam being sleeved on the spud leg, the length direction installation of spud leg described in the outer wall upper edge of the spud leg
There is guidance tape, the length direction of spud leg offers several grooves described in the guidance tape upper edge;
The rotating ring beam includes one and is fixedly connected respectively with the ring beam around the ring beam of spud leg arrangement and two
The first support plate, two first support plates are arranged vertically at the both sides of the guidance tape respectively, two described first
Offer the horizontal concrete chute that can be connected with the groove on fagging respectively, it is horizontal in the horizontal concrete chute to slide that be provided with card insertion
Sliding block in the groove, the sliding block and the fit depressions, the cylinder body of a cross cylinder is mounted on described
In first support plate, the piston rod of the cross cylinder is arranged towards the spud leg, and the piston rod is connected with the sliding block;
The Simple hoisting mechanism further includes:The fixing device of the rotating ring beam position is corresponded on platform deck,
The fixing device includes two the second support plates for being arranged vertically at the guidance tape both sides respectively, two second supports
Also the horizontal concrete chute that can be connected with the groove is offered on plate respectively, also horizontal slide is provided in the horizontal concrete chute
Cocker is inserted in the sliding block in the groove, and the cylinder body of another cross cylinder is mounted in second support plate,
The piston rod of the cross cylinder is arranged towards the spud leg, and the piston rod is connected with the corresponding sliding block;
One end of the lift cylinder is mounted between two first support plates, the other end peace of the lift cylinder
Between described two second support plates.
Specifically, otic placode is fixed on the sliding block, the otic placode passes through axis pin and the work of the corresponding cross cylinder
Stopper rod is hinged.
Specifically, connecting plate is fixed between two second support plates, the cylinder body of the corresponding cross cylinder leads to
First flange is crossed on the connecting plate.
Specifically, it is respectively fixed with the first stiffener plate in two second support plates.
Specifically, it is fixed with the second stiffener plate between the outer wall of the outer ring of the ring beam and first support plate.
Specifically, end plate is fixed between two first support plates, the cylinder body of the corresponding cross cylinder passes through
Second flange is mounted on the end plate.
Specifically, the cross section of the spud leg is circle, and the ring beam is and the matched circular ring shape ring beam of the spud leg.
Further, the gap between the ring beam and the spud leg is 4mm~6mm.
Further, multiple limits for preventing the ring beam from rotating and moving horizontally are provided on the inner ring of the ring beam
Position block.
Specifically, gap of the guidance tape both sides respectively between two second support plates is 4mm~6mm.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is:Simple lifting provided in an embodiment of the present invention
The ring beam of determining of the hydraulic bolt jacking system of transmission is replaced with fixing device by mechanism, and guidance tape is arranged on the side of spud leg, Gu
Determine device to move along guidance tape direction and be arranged only at the side of spud leg and fix with platform deck, simple liter can be reduced in this way
Descending mechanism occupies the area of platform deck, meanwhile, rotating ring beam is by ring beam and two the first gripper shoe groups into compared to the liquid of transmission
The rotating ring beam of bolt jacking system is pressed, the occupied space of Simple hoisting mechanism can be further reduced, in addition, the simple lifting
Mechanism structure is simple, at low cost, and lifting force is small and is applicable to the work such as subsea borehole, piling, leveling, jackstone.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the main structure diagram of Simple hoisting mechanism provided in an embodiment of the present invention;
Fig. 2 is sectional views of the Fig. 1 provided in an embodiment of the present invention along A-A directions;
Fig. 3 is sectional views of the Fig. 1 provided in an embodiment of the present invention along B-B directions;
Fig. 4 is the structure diagram of another state of Fig. 2 provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
An embodiment of the present invention provides a kind of Simple hoisting mechanism of self-elevating ocean platform, as shown in Figure 1, Figure 2 with Fig. 3 institutes
Show, which includes:Cross cylinder 1, lift cylinder 2, spud leg 3 and the rotating ring beam being sleeved on spud leg 3, spud leg 3
The length direction of outer wall upper edge spud leg 3 guidance tape 4 is installed, the length direction of 4 upper edge spud leg 3 of guidance tape offers several
Groove 4a;
Rotating ring beam includes first supports being fixedly connected respectively with ring beam 5 around the ring beam 5 of the arrangement of spud leg 3 and two
Plate 6, two the first support plates 6 are arranged vertically at the both sides of guidance tape 4 respectively, and being offered respectively in two the first support plates 6 can
The horizontal concrete chute 8 connected with groove 4a, horizontal slide is provided with the sliding block 9 that cocker is inserted in groove 4a, sliding block in horizontal concrete chute 8
9 match with groove 4a, and the cylinder body 1b of a cross cylinder 1 is mounted in the first support plate 6, the piston rod 1a of cross cylinder 1
It is arranged towards spud leg 3, and piston rod 1a is connected with sliding block 9.In the present embodiment, cross cylinder 1 can be two.
The Simple hoisting mechanism further includes:The fixing device of rotating ring beam position, fixed dress are corresponded on platform deck a
The second support plate 7 for being arranged vertically at guidance tape both sides respectively including two is put, is also offered respectively in two the second support plates 7
The horizontal concrete chute 8 that can be connected with groove 4a, horizontal slide is provided with the sliding block 9 that cocker is inserted in groove 4a in horizontal concrete chute 8, separately
The cylinder body 1b of one cross cylinder 1 is mounted in the second support plate 7, and the piston rod 1a of cross cylinder 1 is arranged towards spud leg 3, and
Piston rod 1a is connected with corresponding sliding block 9.
One end of lift cylinder 2 is mounted between two the first support plates 6, and the other end of lift cylinder 2 is mounted on two
Between second support plate 7.Specifically, one end of lift cylinder 2 is hinged between two the first support plates 6, lift cylinder 2
The other end is hinged between two the second support plates 7.
Specifically, otic placode 9a is fixed on sliding block 9, otic placode 9a passes through axis pin and the piston rod 1a of corresponding cross cylinder 1
It is hinged.Sliding block 9 is easy to wear during the work time so that sliding block 9 needs to be replaced frequently, by otic placode 9a can realize sliding block 9 with
The fast quick-detach of the piston rod 1a of corresponding cross cylinder 1, is conveniently replaceable sliding block 9.
Specifically, as shown in figure 3, being fixed with connecting plate 10 between two the second support plates 7, corresponding cross cylinder 1
Cylinder body 1b is mounted on by first flange 11 on connecting plate 10.It can be by corresponding level by connecting plate 10 and first flange 11
The cylinder body 1b of oil cylinder 1 is firmly secured between two the second support plates 7.
Specifically, it is respectively fixed with the first stiffener plate 12 in two the second support plates 7.First stiffener plate 12 can be
4 intensity for being used to improve fixing device, so as to improve the stability of Simple hoisting mechanism.
Specifically, the second stiffener plate 13 is fixed between the outer wall of the outer ring of ring beam 5 and the first support plate 6.Second adds
Strengthening tendons plate 13 can improve the intensity of rotating ring beam, so as to improve the stability of Simple hoisting mechanism.
Specifically, as shown in figure 4, being fixed with end plate 14, the cylinder of corresponding cross cylinder 1 between two the first support plates 6
Body 1b is mounted on by second flange 15 on end plate 14.It can be by corresponding cross cylinder 1 by end plate 14 and second flange 15
Cylinder body 1b be firmly secured between two the first support plates 6.
Specifically, the cross section of spud leg 3 can be circle, and ring beam 5 is and 3 matched circular ring shape ring beam of spud leg.It is round
3 occupied space of spud leg it is few, the occupied floor space of Simple hoisting mechanism can be reduced.
Further, the gap between ring beam 5 and spud leg 3 is 4mm~6mm.The gap can avoid spud leg 3 in ring beam 5
Interior shaking amplitude is excessive, so as to ensure the stability of Simple hoisting mechanism.
Further, multiple limited blocks for preventing ring beam 5 from rotating and moving horizontally are provided on the inner ring of ring beam 5
(not shown).Clearance distance between ring beam 5 and spud leg 3 can be controlled by limited block, so as to avoid spud leg 3 in ring beam 5
Interior shaking amplitude is excessive, and then ensures the stability of Simple hoisting mechanism.
Specifically, gap of 4 both sides of guidance tape respectively between two the second support plates 7 is 4mm~6mm.The gap
Guidance tape 4 can be avoided to occur acutely to shake between two the second support plates 7, so as to ensure that the stabilization of Simple hoisting mechanism
Property.In addition, gap of 4 both sides of guidance tape respectively between two the first support plates 6 is 4mm~6mm.The gap can avoid
Guidance tape 4 occurs acutely to shake between two the first support plates 6, so as to ensure that the stability of Simple hoisting mechanism.
Specifically, the both ends of lift cylinder 2 are hinged with two the first support plates 6 and two the second support plates 7 respectively.Its
In, it is respectively arranged with lifting lug in two the first support plates 6 and two the second support plates 7, the cylinder body 2b of lift cylinder 2 and two
Lifting lug in two support plates 7 is hinged, and the piston rod 2a of lift cylinder 2 is hinged with the lifting lug in two the first support plates 6.
It following is a brief introduction of the operation principle of Simple hoisting mechanism provided in an embodiment of the present invention:
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, when Simple hoisting mechanism carries out drop platform deck a or rises 3 operation of spud leg, move
The piston rod 1a of cross cylinder 1 on ring beam retracts, and the sliding block 9 in groove 4a is moved to its corresponding horizontal concrete chute 8
Interior, the piston rod 2a of lift cylinder 2 becomes retracted mode from stretching state, and horizontal concrete chute 8 is aligned with groove 4a, on rotating ring beam
The piston rod 1a of cross cylinder 1 stretches out, and the horizontal concrete chute 8 in sliding block 9 is pushed into groove 4a, realizes lock-out state, Gu
The piston rod 1a for determining the cross cylinder 1 on device retracts, and the sliding block 9 in groove 4a is moved in horizontal concrete chute 8, is promoted
The piston rod 2a of oil cylinder 2 becomes retracted mode from stretching state, and horizontal concrete chute 8 is aligned with groove 4a, the level in fixing device
The piston rod 1a of oil cylinder 1 stretches out, and the sliding block 9 in horizontal concrete chute 8 is pushed into groove 4a, realizes lock-out state, repeatedly on
The purpose that step is stated to realize drop platform deck a or rise spud leg 3, the operation of peaceful platform deck a or drop spud leg 3 refer to above-mentioned step
Suddenly.
Simple hoisting mechanism provided in an embodiment of the present invention replaces with the ring beam of determining of the hydraulic bolt jacking system of transmission
Fixing device, guidance tape are arranged on the side of spud leg, and fixing device moves along guidance tape direction and is arranged only at the side of spud leg
And fixed with platform deck, the area that Simple hoisting mechanism occupies platform deck can be reduced in this way, meanwhile, rotating ring beam is by ring beam
With two the first gripper shoe groups into compared to the rotating ring beam of the hydraulic bolt jacking system of transmission, being further reduced simple
The occupied space of elevating mechanism, in addition, the Simple hoisting mechanism is simple in structure, at low cost, lifting force is small and is applicable to sea
The work such as subdrilling hole, piling, leveling, jackstone.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Simple hoisting mechanism of self-elevating ocean platform, including:Cross cylinder (1), lift cylinder (2), spud leg (3) and
The rotating ring beam being sleeved on the spud leg (3), which is characterized in that the length of spud leg (3) described in the outer wall upper edge of the spud leg (3)
Direction is equipped with guidance tape (4), and the length direction of spud leg (4) offers several grooves described in guidance tape (4) upper edge
(4a);
The rotating ring beam includes one to be fixed around the ring beam (5) of the spud leg (3) arrangement and two with the ring beam (5) respectively
The first support plate (6) of connection, two first support plates (6) are arranged vertically at the both sides of the guidance tape (4) respectively, and two
The horizontal concrete chute (8) that can be connected with the groove (4a), the horizontal concrete chute are offered respectively on a first support plate (6)
(8) horizontal slide is provided with the sliding block (9) that cocker is inserted in the groove (4a) in, the sliding block (9) and the groove (4a)
It matches, the cylinder body (1b) of a cross cylinder (1) is on first support plate (6), the cross cylinder (1)
Piston rod (1a) arrange that and the piston rod (1a) is connected with the sliding block (9) towards the spud leg (3);
The Simple hoisting mechanism further includes:The fixing device of the rotating ring beam position, institute are corresponded on platform deck (a)
State fixing device include two the second support plates (7) for being arranged vertically at the guidance tape (4) both sides respectively, two described second
Also the horizontal concrete chute (8) that can be connected with the groove (4a), the horizontal concrete chute (8) are offered in support plate (7) respectively
Inside also horizontal slide is provided with the sliding block (9) that cocker is inserted in the groove (4a), another cross cylinder (1)
Cylinder body (1b) is installed on second support plate (7), and the piston rod (1a) of the cross cylinder (1) is towards the spud leg (3) cloth
It puts, and the piston rod (1a) is connected with the corresponding sliding block (9);
One end of the lift cylinder (2) is mounted between two first support plates (6), the lift cylinder (2) it is another
One end is mounted between two second support plates (7).
2. Simple hoisting mechanism according to claim 1, which is characterized in that otic placode (9a) is fixed on the sliding block (9),
The otic placode (9a) is hinged by axis pin and the piston rod (1a) of the corresponding cross cylinder (1).
3. Simple hoisting mechanism according to claim 1, which is characterized in that solid between two second support plates (7)
Surely there is a connecting plate (10), the cylinder body (1b) of the corresponding cross cylinder (1) is by first flange (11) mounted on the connection
On plate (10).
4. Simple hoisting mechanism according to claim 1, which is characterized in that on two second support plates (7) respectively
It is fixed with the first stiffener plate (12).
5. Simple hoisting mechanism according to claim 1, which is characterized in that the outer ring and described first of the ring beam (5)
The second stiffener plate (13) is fixed between the outer wall of support plate (6).
6. Simple hoisting mechanism according to claim 1, which is characterized in that solid between two first support plates (6)
Surely there is an end plate (14), the cylinder body (1b) of the corresponding cross cylinder (1) is by second flange (15) mounted on the end plate
(14) on.
7. Simple hoisting mechanism according to claim 1, which is characterized in that the cross section of the spud leg (3) is round, institute
Stating ring beam (5) is and the matched circular ring shape ring beam of the spud leg (3).
8. Simple hoisting mechanism according to claim 7, which is characterized in that between the ring beam (5) and the spud leg (3)
Gap be 4mm~6mm.
9. Simple hoisting mechanism according to claim 7, which is characterized in that be provided on the inner ring of the ring beam (5) more
A limited block for preventing the ring beam (5) from rotating and moving horizontally.
10. Simple hoisting mechanism according to claim 1, which is characterized in that two second support plates (7) with it is described
Gap between guidance tape (4) both sides is 4mm~6mm.
Priority Applications (1)
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CN201610259262.9A CN105926558B (en) | 2016-04-25 | 2016-04-25 | A kind of Simple hoisting mechanism of self-elevating ocean platform |
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CN201610259262.9A CN105926558B (en) | 2016-04-25 | 2016-04-25 | A kind of Simple hoisting mechanism of self-elevating ocean platform |
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CN105926558B true CN105926558B (en) | 2018-06-26 |
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CN201610259262.9A Active CN105926558B (en) | 2016-04-25 | 2016-04-25 | A kind of Simple hoisting mechanism of self-elevating ocean platform |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111411620A (en) * | 2020-04-27 | 2020-07-14 | 北部湾大学 | Liftable composite multifunctional aquaculture net cage for self-elevating ocean platform |
CN111411619A (en) * | 2020-04-27 | 2020-07-14 | 北部湾大学 | Self-elevating multifunctional ocean platform and operation method thereof |
CN113863265A (en) * | 2021-10-19 | 2021-12-31 | 中国船舶工业集团公司第七0八研究所 | Pile leg lifting device for self-elevating ocean platform |
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US4362120A (en) * | 1979-08-24 | 1982-12-07 | Gusto Engineering B.V. | Mobile platform or platform to be used as floating workshop |
US8002500B1 (en) * | 2006-08-30 | 2011-08-23 | Jon Khachaturian | Method and apparatus for elevating a marine platform |
CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
CN105386429A (en) * | 2015-10-12 | 2016-03-09 | 江苏科技大学 | Plug pin type hydraulic lifting device |
-
2016
- 2016-04-25 CN CN201610259262.9A patent/CN105926558B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362120A (en) * | 1979-08-24 | 1982-12-07 | Gusto Engineering B.V. | Mobile platform or platform to be used as floating workshop |
US8002500B1 (en) * | 2006-08-30 | 2011-08-23 | Jon Khachaturian | Method and apparatus for elevating a marine platform |
CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
CN105386429A (en) * | 2015-10-12 | 2016-03-09 | 江苏科技大学 | Plug pin type hydraulic lifting device |
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