CN204252101U - Jack-up unit continuous elevator structure - Google Patents

Jack-up unit continuous elevator structure Download PDF

Info

Publication number
CN204252101U
CN204252101U CN201420647538.7U CN201420647538U CN204252101U CN 204252101 U CN204252101 U CN 204252101U CN 201420647538 U CN201420647538 U CN 201420647538U CN 204252101 U CN204252101 U CN 204252101U
Authority
CN
China
Prior art keywords
level
unit
plug housing
ascend
grade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420647538.7U
Other languages
Chinese (zh)
Inventor
孙青松
邵敏
王志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hansail Marine & Offshore Design Co Ltd
Original Assignee
Shanghai Hansail Marine & Offshore Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Hansail Marine & Offshore Design Co Ltd filed Critical Shanghai Hansail Marine & Offshore Design Co Ltd
Priority to CN201420647538.7U priority Critical patent/CN204252101U/en
Application granted granted Critical
Publication of CN204252101U publication Critical patent/CN204252101U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks
    • E02B17/0872Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks with locking pins engaging holes or cam surfaces

Abstract

The utility model discloses a kind of jack-up unit continuous elevator structure, comprise at least one group of one-level lifting unit, at least one group of two grade of ascend and descend unit, spud leg surface is provided with axial trajectory, described axial trajectory is arranged at intervals with pin hole, and described one-level lifting unit, two grade of ascend and descend unit are separately positioned in corresponding axial trajectory and also can move up and down along it.The utility model solves the slow problem of conventional one action hydraulic bolt formula elevating mechanism rising or falling speed, and its rising or falling speed more conventional one action hydraulic bolt formula elevating mechanism improves about one times.Maritime environment is complicated and changeable, and lift platform can improve efficiency and the safety of operation fast.The utility model structure is simple, easily manufactured, compares gear-rack type lifter structure and significantly reduces manufacturing cost and difficulty.Support force of the present utility model can reach the twice of lifting force, is particularly useful for the job platform of heavy duty.

Description

Jack-up unit continuous elevator structure
Technical field
The utility model relates to Self-raising platform lifting mechanism, be applicable to the jack-up unit in self-lifting offshore wind power job platform and other ocean engineering fields, by hydraulic pressure or electric-powered, the spud leg of platform is transferred to sea bed, and main platform body lifting can be gone out the water surface.After operation completes, platform can be put back to the water surface and pack up spud leg.
Background technology
The jack-up unit in offshore wind farm job platform and other ocean engineering fields all needs to adopt the spud leg of elevating mechanism band moving platform to move up and down.
The elevating mechanism using more form to be pinion and-rack on the market at present, it installs multiple sets of teeth bar on spud leg, then drives rack drives spud leg to move up and down by the gear mechanism on platform.Gear-rack type lifter structure, high for the material of rack and pinion mechanism, required precision, manufacturing cost is high.
The form of another kind of elevating mechanism is one action hydraulic bolt formula on the market.One action hydraulic bolt formula elevating mechanism, after each oil cylinder stroke run, has all needed oil cylinder zero load to regain, has completed once " changing hands ", so its rising or falling speed is slower.
Utility model content
For the problems referred to above, the utility model provides a kind of jack-up unit continuous elevator structure, to solve the problems of the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
Jack-up unit continuous elevator structure, it is characterized in that, comprise at least one group of one-level lifting unit, at least one group of two grade of ascend and descend unit, spud leg surface is provided with axial trajectory, described axial trajectory is arranged at intervals with pin hole, and described one-level lifting unit, two grade of ascend and descend unit are separately positioned in corresponding axial trajectory and also can move up and down along it;
Often organize one-level lifting unit and comprise one-level hydraulic jack and one-level plug housing, the cylinder body end of one-level hydraulic jack is fixedly connected on platform, the tailpiece of the piston rod of one-level hydraulic jack is fixedly connected with one-level plug housing, drive one-level plug housing vertically track moves up and down, one-level plug housing is arranged in described axial trajectory, and can move up and down by track vertically; One-level plug housing is provided with the latch corresponding with pin hole;
Often organize two grade of ascend and descend unit and comprise 2-level hydraulic oil cylinder and secondary plug housing, the cylinder body end of 2-level hydraulic oil cylinder is fixedly connected on platform, the tailpiece of the piston rod of 2-level hydraulic oil cylinder is fixedly connected with secondary plug housing, drive secondary plug housing vertically track moves up and down, secondary plug housing is arranged in described axial trajectory, and can move up and down by track vertically; Secondary plug housing is provided with the latch corresponding with pin hole.
In a preferred embodiment of the present utility model, often organize one-level lifting unit and comprise two one-level hydraulic jacks and an one-level plug housing, the tailpiece of the piston rod of two one-level hydraulic jacks is connected with the two ends of one-level plug housing respectively; Often organize two grade of ascend and descend unit and comprise two 2-level hydraulic oil cylinders and a secondary plug housing, the tailpiece of the piston rod of two 2-level hydraulic oil cylinders is connected with the two ends of secondary plug housing respectively.
In a preferred embodiment of the present utility model, one-level lifting unit has two groups, and two grade of ascend and descend unit has two groups, and four groups of lifting units are distributed on the external surface of spud leg, and two groups of one-level lifting units are relative, and two groups of two grade of ascend and descend unit are relative.
In a preferred embodiment of the present utility model, described axial trajectory is " π " type connected into by two panels side gusset and a slice panel, and described pin hole is arranged on panel by pitch.
The beneficial effect that technical solutions of the utility model are brought:
The utility model solves the slow problem of conventional one action hydraulic bolt formula elevating mechanism rising or falling speed, and its rising or falling speed more conventional one action hydraulic bolt formula elevating mechanism improves about one times.Maritime environment is complicated and changeable, and lift platform can improve efficiency and the safety of operation fast.
The utility model structure is simple, easily manufactured, compares gear-rack type lifter structure and significantly reduces manufacturing cost and difficulty.
Support force of the present utility model can reach the twice of lifting force, is particularly useful for the job platform of heavy duty.
The detailed description and obtaining that feature of the present utility model can consult the graphic and following better embodiment of this case is well understood to.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic cross section of spud leg.
Wherein, 1, spud leg; 2, secondary plug housing; 3,2-level hydraulic oil cylinder; 4, platform; 5, one-level plug housing; 6, one-level hydraulic jack; 7, axial trajectory; 71, panel; 72, side gusset; 73, pin hole.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, setting forth the utility model further below in conjunction with specific embodiment.
See Fig. 1-3, spud leg 1 is steel circular cylindrical spud leg (also can adopt square spud leg), and inside is provided with reinforcement gusset.Four groups of axial trajectory, 7, four groups of axial trajectory 7 circumference uniform distributions are provided with on the surface of spud leg 1 on the surface of spud leg 1.Axial trajectory 7 is " π " type structure connected into by two panels side gusset 72 and a slice panel 71, and pin hole 73 is arranged on panel 71 by pitch.Axial trajectory both can as the guiding of plug housing, also can as the reinforcement of spud leg.
Two groups of one-level lifting units, two groups of two grade of ascend and descend unit are separately positioned in corresponding axial trajectory and also can move up and down along it.
Often organize one-level lifting unit and comprise two one-level hydraulic jacks 6 and an one-level plug housing 5, the cylinder body end of two one-level hydraulic jacks 6 is fixedly connected on the deck of platform 4, the tailpiece of the piston rod of two one-level hydraulic jacks 6 is connected with the two ends of one-level plug housing 5 respectively, and drive one-level plug housing 5 vertically track 7 moves up and down.One-level plug housing is arranged in axial trajectory, and can move up and down by track vertically; Plug housing is steel welding structure, and the latch on plug housing can be coupled with the pin hole 73 on spud leg.Two groups of one-level lifting units, centered by spud leg, are arranged symmetrically with.
Often organize two grade of ascend and descend unit and comprise two 2-level hydraulic oil cylinders 3 and a secondary plug housing 2, the cylinder body end of two 2-level hydraulic oil cylinders 3 is fixedly connected on platform 4, the tailpiece of the piston rod of two 2-level hydraulic oil cylinders 3 is connected with the two ends of secondary plug housing 2, drive secondary plug housing vertically track moves up and down, secondary plug housing is arranged in described axial trajectory, and can move up and down by track vertically; Secondary plug housing is provided with the latch corresponding with pin hole.Two groups of two grade of ascend and descend unit, centered by spud leg, are arranged symmetrically with.
The operating principle of the utility model under each operating mode:
A, underloading put an operating mode
This operating mode is to be transferred to sea bed fast by spud leg.Under this operating mode, the latch on two groups of one-level lifting units and spud leg are thrown off, and do not participate in action.Latch on one group of two grade of ascend and descend unit inserts spud leg pin hole, being shunk by oil cylinder drives spud leg to transfer, latch simultaneously on another group two grade of ascend and descend unit and spud leg are thrown off, and moved upward along the track zero load on spud leg by hydraulic oil cylinder driving, at the end of that group two grade of ascend and descend unit oil cylinder stroke moved downward, that group two grade of ascend and descend unit oil cylinder stroke that moves upward rises from completely, now insert the latch of that group two grade of ascend and descend unit that moves upward, throw off the latch of another group two grade of ascend and descend unit simultaneously.After latch action completes, hoist cylinder stroke stretches out two grade of ascend and descend unit completely and drives spud leg to move downward, and another group zero load moves upward, and so repeatedly performs, to reach the object of putting stake continuously fast.
B, piling peaceful operating mode
This operating mode is that platform is carried away the water surface by the downward piling of elevating mechanism.Under this operating mode, the latch of two groups of one-level lifting units inserts spud leg, and its hoist cylinder stretches out slightly, plays compensation hydraulic effect.Latch on two groups of two grade of ascend and descend unit is all thrown off, and upwards no load movement, when its hoist cylinder stroke stretches out completely, latch inserts spud leg, then throw off the latch of two groups of one-level lifting units, two groups of two grade of ascend and descend unit press down spud leg jointly until oil cylinder stroke is regained completely.After two grade of ascend and descend unit stroke is regained completely, insert one-level lifting unit latch, throw off two grade of ascend and descend unit latch, then two grade of ascend and descend unit continuation zero load moves upward, and so repeatedly performs, has reached the object of heavily loaded piling.
C, decline platform operating mode
Platform is dropped to the water surface by decline platform operating mode and elevating mechanism.Under this operating mode, the latch of two groups of one-level lifting units inserts spud leg, and its hoist cylinder stretches out slightly, plays compensation hydraulic effect.Latch on two groups of two grade of ascend and descend unit is all thrown off, and downward no load movement, when its hoist cylinder stroke is regained completely, latch inserts spud leg, and then throw off the latch of two groups of one-level lifting units, two groups of two grade of ascend and descend unit move upward jointly, transfer platform, until oil cylinder stroke stretches out completely.After two grade of ascend and descend unit stroke stretches out completely, insert one-level lifting unit latch, throw off two grade of ascend and descend unit latch, then two grade of ascend and descend unit continuation zero load moves downward, and so repeatedly performs, has reached the object of decline platform.Lower to contrary for platform operating mode sequence of movement and piling peaceful operating mode.
D, withdrawal spud leg operating mode
This operating mode is after platform is lowered to water, is regained fast in platform by spud leg.Under this operating mode, the latch on two groups of one-level lifting units and spud leg are thrown off, and do not participate in action.Latch on one group of two grade of ascend and descend unit inserts spud leg pin hole, being shunk by oil cylinder drives spud leg upwards to regain, latch simultaneously on another group two grade of ascend and descend unit and spud leg are thrown off, and moved downward along the track zero load on spud leg by hydraulic oil cylinder driving, at the end of that group two grade of ascend and descend unit oil cylinder stroke moved upward, move downward that group two grade of ascend and descend unit oil cylinder stroke to regain completely, now insert the latch moving downward that group two grade of ascend and descend unit, throw off the latch of another group two grade of ascend and descend unit simultaneously.After latch action completes, hoist cylinder stroke is regained two grade of ascend and descend unit completely and is driven spud leg to move upward, and another group zero load moves downward, and so repeatedly performs, to reach the object of putting stake continuously fast.Regaining spud leg operating mode sequence of movement and underloading, to put an operating mode contrary.
E, working condition
When the platform emersion water surface starts operation, because operation or stormy weather can cause huge additional load to platform, the support force that this operating mode needs elevating mechanism can provide enough, is firmly supported on platform on spud leg, and this support force is generally much larger than the lifting force of platform.Under this operating mode, the latch of two groups of one-level lifting units and two groups of two grade of ascend and descend unit all inserts in the pin hole on spud leg, and four groups of lifting units participate in support platform jointly, can provide the support force doubling lifting force.
It is pointed out that on spud leg, the quantity of axial trajectory is not limited only to 4 groups, spud leg is established 2 groups, 3 groups, 6 groups of axial trajectory are the protection domain of patent.Use 4 groups independently lifting unit realize folding and unfolding spud leg fast, peaceful of piling, transfer the operating mode of platform and support platform operation and identity function.The form of 2 groups, 3 groups, 6 groups these lifting units is adopted to be the protection domain of patent.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and manual; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.

Claims (4)

1. jack-up unit continuous elevator structure, it is characterized in that, comprise at least one group of one-level lifting unit, at least one group of two grade of ascend and descend unit, spud leg surface is provided with axial trajectory, described axial trajectory is arranged at intervals with pin hole, and described one-level lifting unit, two grade of ascend and descend unit are separately positioned in corresponding axial trajectory and also can move up and down along it;
Often organize one-level lifting unit and comprise one-level hydraulic jack and one-level plug housing, the cylinder body end of one-level hydraulic jack is fixedly connected on platform, the tailpiece of the piston rod of one-level hydraulic jack is fixedly connected with one-level plug housing, drive one-level plug housing vertically track moves up and down, one-level plug housing is arranged in described axial trajectory, and can move up and down by track vertically; One-level plug housing is provided with the latch corresponding with pin hole;
Often organize two grade of ascend and descend unit and comprise 2-level hydraulic oil cylinder and secondary plug housing, the cylinder body end of 2-level hydraulic oil cylinder is fixedly connected on platform, the tailpiece of the piston rod of 2-level hydraulic oil cylinder is fixedly connected with secondary plug housing, drive secondary plug housing vertically track moves up and down, secondary plug housing is arranged in described axial trajectory, and can move up and down by track vertically; Secondary plug housing is provided with the latch corresponding with pin hole.
2. jack-up unit continuous elevator structure according to claim 1, it is characterized in that, often organize one-level lifting unit and comprise two one-level hydraulic jacks and an one-level plug housing, the tailpiece of the piston rod of two one-level hydraulic jacks is connected with the two ends of one-level plug housing respectively; Often organize two grade of ascend and descend unit and comprise two 2-level hydraulic oil cylinders and a secondary plug housing, the tailpiece of the piston rod of two 2-level hydraulic oil cylinders is connected with the two ends of secondary plug housing respectively.
3. jack-up unit continuous elevator structure according to claim 1, it is characterized in that, one-level lifting unit has two groups, two grade of ascend and descend unit has two groups, four groups of lifting units are distributed on the external surface of spud leg, and two groups of one-level lifting units are relative, and two groups of two grade of ascend and descend unit are relative.
4. jack-up unit continuous elevator structure according to claim 1, is characterized in that, described axial trajectory is " π " type connected into by two panels side gusset and a slice panel, and described pin hole is arranged on panel by pitch.
CN201420647538.7U 2014-11-03 2014-11-03 Jack-up unit continuous elevator structure Active CN204252101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420647538.7U CN204252101U (en) 2014-11-03 2014-11-03 Jack-up unit continuous elevator structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420647538.7U CN204252101U (en) 2014-11-03 2014-11-03 Jack-up unit continuous elevator structure

Publications (1)

Publication Number Publication Date
CN204252101U true CN204252101U (en) 2015-04-08

Family

ID=52956426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420647538.7U Active CN204252101U (en) 2014-11-03 2014-11-03 Jack-up unit continuous elevator structure

Country Status (1)

Country Link
CN (1) CN204252101U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104372780A (en) * 2014-11-03 2015-02-25 上海航盛船舶设计有限公司 Continuous lifting mechanism of self-elevating platform
CN105155497A (en) * 2015-09-21 2015-12-16 上海振华重工集团(南通)有限公司 Self-elevating type hoisting platform lifting device and manufacturing process thereof
CN105926560A (en) * 2016-05-03 2016-09-07 武汉船用机械有限责任公司 Lifting device
CN105970896A (en) * 2016-05-10 2016-09-28 武汉船用机械有限责任公司 Electric gear and rack lifting mechanism of ocean platform
CN106149661A (en) * 2016-08-18 2016-11-23 南通润邦重机有限公司 Self-lifting offshore wind power job platform elevating mechanism and elevating method thereof
CN106638532A (en) * 2015-10-30 2017-05-10 中石化石油工程技术服务有限公司 Double-row main cylinder successive lifting and lowering device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104372780A (en) * 2014-11-03 2015-02-25 上海航盛船舶设计有限公司 Continuous lifting mechanism of self-elevating platform
CN105155497A (en) * 2015-09-21 2015-12-16 上海振华重工集团(南通)有限公司 Self-elevating type hoisting platform lifting device and manufacturing process thereof
CN106638532A (en) * 2015-10-30 2017-05-10 中石化石油工程技术服务有限公司 Double-row main cylinder successive lifting and lowering device
CN106638532B (en) * 2015-10-30 2019-05-28 中石化石油工程技术服务有限公司 The double continuous lifting device of master cylinder
CN105926560A (en) * 2016-05-03 2016-09-07 武汉船用机械有限责任公司 Lifting device
CN105970896A (en) * 2016-05-10 2016-09-28 武汉船用机械有限责任公司 Electric gear and rack lifting mechanism of ocean platform
CN105970896B (en) * 2016-05-10 2018-02-13 武汉船用机械有限责任公司 A kind of ocean platform electric gear rack lifting mechanism
CN106149661A (en) * 2016-08-18 2016-11-23 南通润邦重机有限公司 Self-lifting offshore wind power job platform elevating mechanism and elevating method thereof
CN106149661B (en) * 2016-08-18 2019-06-04 南通润邦重机有限公司 Self-lifting offshore wind power job platform elevating mechanism and its elevating method

Similar Documents

Publication Publication Date Title
CN204252101U (en) Jack-up unit continuous elevator structure
CN104372780A (en) Continuous lifting mechanism of self-elevating platform
CN202202313U (en) Lifting platform
CN102923610A (en) Hydraulic bolt lifting gear
CN203716129U (en) Inserting pin type lifting device used for truss type pile legs
CN106087932B (en) A kind of bolt elevating mechanism for jack-up unit
CN104120700B (en) A kind of hydraulic bolt lifting gear
CN105386429B (en) A kind of bolt-type hydraulic lift
WO2016206510A1 (en) Automatic-lifting platform
CN207645726U (en) A kind of double-deck jacking hoistable platform
CN201148272Y (en) Lifting device of pit type garbage transfer equipment
CN202704929U (en) Bidirectional mechanical lifting jack
CN204775176U (en) Mobile concrete pump supporting leg that stretches out and draws back
CN207483287U (en) It is a kind of that there is the high-altitude operation vehicle for stablizing hanging basket
CN202866653U (en) Drilling machine double-main-rod guide rail type hydraulic lifting mechanism
CN202783707U (en) Hydraulic lifting system
CN204984251U (en) Multi -functional stirring of especially big diameter stake machine with torsion compensation arrangement
CN201454654U (en) Mechanical sliding device of motor base of crusher
CN108396721B (en) Liftable anti-icing device suitable for truss spud leg self-elevating ocean platform
CN205954595U (en) From lift -type marine wind power work platform elevating system
CN212316873U (en) Lifting type multifunctional leisure platform on sea
CN201809140U (en) Connecting rod lifting mechanism
CN208702337U (en) A kind of novel hydraulic paddle type mill mobile ground anchor vehicle
CN212248240U (en) Lifting frame device of pile gripper
CN216613748U (en) Steel bar lifting appliance for crane

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant