CN106149661A - Self-lifting offshore wind power job platform elevating mechanism and elevating method thereof - Google Patents
Self-lifting offshore wind power job platform elevating mechanism and elevating method thereof Download PDFInfo
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- CN106149661A CN106149661A CN201610683541.8A CN201610683541A CN106149661A CN 106149661 A CN106149661 A CN 106149661A CN 201610683541 A CN201610683541 A CN 201610683541A CN 106149661 A CN106149661 A CN 106149661A
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- slide block
- spud leg
- latch
- oil cylinder
- action
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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
-
- 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
- E02B17/02—Artificial 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
- E02B17/021—Artificial 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of self-lifting offshore wind power job platform elevating mechanism and elevating method thereof, comprise wedge bracket, slide block guide rail, slide block, pull bar, hoist cylinder, latch and plugging pin oil cylinder, wedge bracket lower end is fixed on hull, wedge bracket is set in outside spud leg, slide block guide rail is arranged on wedge bracket side, pull bar lower end is hinged on the upside of slide block guide rail, pull bar upper end thereof is on the upside of slide block guide rail, slide block is slidably arranged on slide block guide rail and can vertically slide, on the upside of hoist cylinder upper end thereof slide block guide rail, hoist cylinder lower end is hinged on slide block, plugging pin oil cylinder is horizontally disposed with and is fixed on slide block, latch is radially arranged along spud leg and latch end be connected with plugging pin oil cylinder by plugging pin oil cylinder drive move radially along spud leg, on spud leg, vertically spaced set has some circular holes mated with latch.Raising efficiency height of the present invention, simple in construction, with low cost, reliable, easy to maintenance.
Description
Technical field
The present invention relates to a kind of elevating mechanism and elevating method thereof, particularly a kind of self-lifting offshore wind power job platform liter
Descending mechanism and elevating method thereof.
Background technology
Along with exploitation and the addressing position of optimization oceanic winds electric field of offshore wind farms, marine wind energy development trend is above
Mega project that hundred Fans are characterized and deep water sea area, assembling can run into more difficulty, to the performance of installation ship and
Portability requirements is higher.Ocean wind-powered electricity generation installation exercise needs often to move to another position from a position, its jacking system
Work is frequently.Rising or falling speed has considerable influence, the lifting speed of wind turbine installation vessel jacking system to activity duration and work efficiency
Demand for development has faster, more reliable characteristic.
From the most domestic from the point of view of the jack-up unit that wind-powered electricity generation is installed, owing to the bearing mode of wind-powered electricity generation mounting platform is determined
Fixed, hydraulic bolt formula type of drive is in the majority, and owing to hydraulic bolt formula is step climbing device, its most obvious shortcoming is
Rising or falling speed is slow.
Summary of the invention
The technical problem to be solved is to provide a kind of lifting speed self-lifting offshore wind power operation fast, reliable
Platform lifting mechanism and elevating method thereof.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of self-lifting offshore wind power job platform elevating mechanism, it is characterised in that: comprise wedge bracket, slide block guide rail, slide block, draw
Bar, hoist cylinder, latch and plugging pin oil cylinder, wedge bracket lower end is fixed on hull, and wedge bracket is set in outside spud leg and energy
Enough sliding outside spud leg along vertical direction, slide block guide rail is arranged on wedge bracket side, and two pull bars are vertically arranged in slide block
Two ends on the upside of guide rail, pull bar lower end is hinged on the upside of slide block guide rail, and pull bar upper end thereof is on the upside of slide block guide rail, and slide block slides and sets
Putting on slide block guide rail and can vertically slide, two hoist cylinders are vertically arranged on the upside of slide block, hoist cylinder
On the upside of upper end thereof slide block guide rail, hoist cylinder lower end is hinged on slide block, and plugging pin oil cylinder is horizontally disposed with and is fixed on slide block
On, latch is radially arranged along spud leg and latch end be connected with plugging pin oil cylinder by plugging pin oil cylinder drive move radially along spud leg,
On spud leg, vertically spaced set has some circular holes mated with latch.
Further, described wedge bracket lower end is provided with flexible cushion block, and slide block guide rail lower end is arranged on by flexible cushion block
On the upside of hull.
Further, described wedge bracket is cuboid framework.
Further, four sides of described wedge bracket are respectively arranged with one group of slide block guide rail, slide block, pull bar, lifting oil
Cylinder, latch and plugging pin oil cylinder.
A kind of elevating method, it is characterised in that comprise the steps of
Step one: four slide blocks are in different height at initial position, are divided into 4 layers, the 1st layer is 1# slide block, and the second layer is
2# slide block, third layer is 3# slide block, and the 4th layer is 4# slide block, and the latch on slide block inserts in spud leg pin hole；
Step 2: spud leg needs to transfer and platform lifts away from sea again carries out wind-powered electricity generation peace to contact seabed piling after platform is in place
Dress construction, spud leg is spud leg bottom surface away from hull downward actuation relative to the course of action of hull in the process, under spud leg
Put system load when rising with platform to differ, regulated by the hydraulic system pressure of platform and adapt to load change；
Step 3: when construction terminates carry out pile pulling after rear platform needs to transfer to offshore floating and receive stake operation, in the process
Spud leg is spud leg bottom surface close to hull upwards action relative to the course of action of hull, a system load when platform is transferred and received
All differ, regulated by the hydraulic system pressure of platform and adapt to load change.
Further, the detailed process of step 2 is:
1) after in 4# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder is retracted and drives 4#
Slide block is to the height of original 1# slide block, and the latch of 1#, 2# and 3# slide block and inside thereof is stretched at each self-corresponding hoist cylinder simultaneously
Go out lower drive spud leg to move down, until 3# slide block stops to original 4# slide block height and position；
2) in 4# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 3# slide block to the height of original 1# slide block,
The latch of 1#, 2# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 2# slide block to original 4# slide block height and position；
3) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 2# slide block to the height of original 1# slide block,
The latch of 1#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 1# slide block to original 4# slide block height and position；
4) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 1# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 1# slide block to the height of original 1# slide block,
The latch of 2#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 4# slide block to original 4# slide block height and position；
5) in 1# slide block, latch starts after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out to move by the first step
Continue cycling through action until platform arrives specifies position.
Further, the detailed process of step 3 is:
1) after in 1# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder stretches out and drives 1#
Slide block is to the height of original 4# slide block, and the latch of 4#, 3# and 2# slide block and inside thereof contracts at each self-corresponding hoist cylinder simultaneously
Return lower drive spud leg to move up, until 2# slide block stops to original 1# slide block height and position；
2) in 1# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 2# slide block to the height of original 4# slide block,
The latch of 4#, 3# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 3# slide block to original 1# slide block height and position；
3) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 3# slide block to the height of original 4# slide block,
The latch of 4#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 4# slide block to original 1# slide block height and position；
4) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 4# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 4# slide block to the height of original 4# slide block,
The latch of 3#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 1# slide block to original 1# slide block height and position；
5) in 4# slide block, latch starts after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out to move by the first step
Continue cycling through action until spud leg withdrawal platform stake indoor are terminated.
The present invention compared with prior art, has the following advantages and effect:
1, relative to traditional bolt-type elevating mechanism, present invention return stroke after oil cylinder stretches out still is able to continuation action spud leg
Improve the whole work efficiency of mechanism；
2, compared to using dicyclo beam to realize continuous lifting, the present invention is more succinct on integrated model, and overall volume is less, material
Material uses lower；
3, the most traditional move/determining ring beam type elevating mechanism, ring beam is that an entirety is enclosed within outside spud leg, needs during maintenance and repair
Being hauled out in hull by spud leg, duration and maintenance cost are high, and the present invention is applicable to the continuous of self-lifting offshore wind power job platform
Formula elevating mechanism does not has ring beam, and slide block is split type, and maintenance and repair is the most convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of self-lifting offshore wind power job platform elevating mechanism of the present invention.
Fig. 2 is the axonometric chart of a kind of self-lifting offshore wind power job platform elevating mechanism of the present invention.
Fig. 3 is the vertical view cutaway drawing of a kind of self-lifting offshore wind power job platform elevating mechanism of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this
Bright explanation and the invention is not limited in following example.
As it can be seen, a kind of self-lifting offshore wind power job platform elevating mechanism of the present invention, comprise wedge bracket 1, slide block
Guide rail 2, slide block 3, pull bar 4, hoist cylinder 5, latch 6 and plugging pin oil cylinder 7, wedge bracket 1 lower end is fixed on hull 8, wedge bracket 1
Being set in outside spud leg 9 and can slide outside spud leg 9 along vertical direction, slide block guide rail 2 is arranged on wedge bracket 1 side
Face, two pull bars 4 are vertically arranged in two ends on the upside of slide block guide rail 2, and pull bar 4 lower end is hinged on the upside of slide block guide rail 2, on pull bar 4
End is hinged on the upside of slide block guide rail 2, and slide block 3 is slidably arranged on slide block guide rail 2 and can vertically slide, and two rise
Fall oil cylinder 5 is vertically arranged on the upside of slide block 3, and on the upside of hoist cylinder 5 upper end thereof slide block guide rail 2, hoist cylinder 5 lower end is hinged on
On slide block 3, plugging pin oil cylinder 7 is horizontally disposed with and is fixed on slide block 3, and latch 6 is radially arranged along spud leg 9 and latch 6 end
It is connected with plugging pin oil cylinder 7 to be driven by plugging pin oil cylinder 7 and moves radially along spud leg 9, if vertically spaced set has on spud leg 9
The dry circular hole 10 mated with latch 6.
Wedge bracket 1 lower end is provided with flexible cushion block 11, and slide block guide rail 2 lower end is arranged on hull 8 by flexible cushion block 11
Side, it is ensured that reliable and stable fixing of slide block guide rail also keeps certain flexibility.Wedge bracket 1 is cuboid framework.The four of wedge bracket 1
Individual side is respectively arranged with one group of slide block guide rail 2, slide block 3, pull bar 4, hoist cylinder 5, latch 6 and plugging pin oil cylinder 7.
A kind of elevating method, comprises the steps of
Step one: four slide blocks are in different height at initial position, are divided into 4 layers, the 1st layer is 1# slide block, and the second layer is
2# slide block, third layer is 3# slide block, and the 4th layer is 4# slide block, and the latch on slide block guarantees in inserting spud leg pin hole that spud leg is flat
Will not glide during platform towage or certainly boat；
Step 2: spud leg needs to transfer to platform lifting away from sea again after picking out seabed piling and carries out wind-powered electricity generation peace after platform is in place
Dress construction, during these, spud leg is spud leg bottom surface away from hull downward actuation relative to the course of action of hull, but in stake
Lower limb is transferred system load when rising with platform and is all differed, and is regulated by the hydraulic system pressure of platform and realizes adapting to load change
Change；Its course of action is specific as follows:
1) after in 4# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder is retracted and drives 4#
Slide block is to the height of original 1# slide block, and the latch of 1#, 2# and 3# slide block and inside thereof is stretched at each self-corresponding hoist cylinder simultaneously
Go out lower drive spud leg to move down, until 3# slide block stops to original 4# slide block height and position；
2) in 4# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 3# slide block to the height of original 1# slide block,
The latch of 1#, 2# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 2# slide block to original 4# slide block height and position；
3) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 2# slide block to the height of original 1# slide block,
The latch of 1#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 1# slide block to original 4# slide block height and position；
4) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 1# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 1# slide block to the height of original 1# slide block,
The latch of 2#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 4# slide block to original 4# slide block height and position；
5) in 1# slide block, latch (is slided in whole wedge bracket after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out
Block and oil cylinder are equivalent to state during initial position) start to continue cycling through action by first step action until platform arrives specific bit
Put and guarantee that 4 latches insertion spud leg latches are constructed after interior.
Step 3: when construction terminates carry out pile pulling after rear platform needs to transfer to offshore floating and receive stake operation, in this mistake
In journey, spud leg is spud leg bottom surface close to hull upwards action relative to the course of action of hull, a system when platform is transferred and received
Load all differs, and is regulated by the hydraulic system pressure of platform and realizes adapting to load change.Its course of action is specific as follows:
1) after in 1# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder stretches out and drives 1#
Slide block is to the height of original 4# slide block, and the latch of 4#, 3# and 2# slide block and inside thereof contracts at each self-corresponding hoist cylinder simultaneously
Return lower drive spud leg to move up, until 2# slide block stops to original 1# slide block height and position；
2) in 1# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 2# slide block to the height of original 4# slide block,
The latch of 4#, 3# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 3# slide block to original 1# slide block height and position；
3) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 3# slide block to the height of original 4# slide block,
The latch of 4#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 4# slide block to original 1# slide block height and position；
4) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 4# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 4# slide block to the height of original 4# slide block,
The latch of 3#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 1# slide block to original 1# slide block height and position；
5) in 4# slide block, latch (is slided in whole wedge bracket after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out
Block and oil cylinder are equivalent to state during initial position) start to continue cycling through action by first step action until spud leg regains platform stake
Indoor are terminated.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to substitute, only by the technical staff in field
The guarantor of the present invention all should be belonged to without departing from the content of description of the invention or surmount scope defined in the claims
Protect scope.
Claims (7)
1. a self-lifting offshore wind power job platform elevating mechanism, it is characterised in that: comprise wedge bracket, slide block guide rail, slide block,
Pull bar, hoist cylinder, latch and plugging pin oil cylinder, wedge bracket lower end is fixed on hull, wedge bracket be set in outside spud leg and
Can slide outside spud leg along vertical direction, slide block guide rail is arranged on wedge bracket side, and two pull bars are vertically arranged in cunning
Two ends on the upside of block guide rail, pull bar lower end is hinged on the upside of slide block guide rail, and pull bar upper end thereof is on the upside of slide block guide rail, and slide block slides
Being arranged on slide block guide rail and can vertically slide, two hoist cylinders are vertically arranged on the upside of slide block, lifting oil
On the upside of cylinder upper end thereof slide block guide rail, hoist cylinder lower end is hinged on slide block, and plugging pin oil cylinder is horizontally disposed with and is fixed on cunning
On block, latch is radially arranged along spud leg and latch end is connected with plugging pin oil cylinder by plugging pin oil cylinder driving along spud leg radially shifting
Dynamic, on spud leg, vertically spaced set has some circular holes mated with latch.
2. according to the self-lifting offshore wind power job platform elevating mechanism described in claim 1, it is characterised in that: described wedge bracket
Lower end is provided with flexible cushion block, and slide block guide rail lower end is arranged on the upside of hull by flexible cushion block.
3. according to the self-lifting offshore wind power job platform elevating mechanism described in claim 1, it is characterised in that: described wedge bracket
For cuboid framework.
4. according to the self-lifting offshore wind power job platform elevating mechanism described in claim 3, it is characterised in that: described wedge bracket
Four sides be respectively arranged with one group of slide block guide rail, slide block, pull bar, hoist cylinder, latch and plugging pin oil cylinder.
5. the elevating method of the self-lifting offshore wind power job platform elevating mechanism described in a claim 1, it is characterised in that
Comprise the steps of
Step one: four slide blocks are in different height at initial position, are divided into 4 layers, the 1st layer is 1# slide block, and the second layer is
2# slide block, third layer is 3# slide block, and the 4th layer is 4# slide block, and the latch on slide block inserts in spud leg pin hole；
Step 2: spud leg needs to transfer and platform lifts away from sea again carries out wind-powered electricity generation peace to contact seabed piling after platform is in place
Dress construction, spud leg is spud leg bottom surface away from hull downward actuation relative to the course of action of hull in the process, under spud leg
Put system load when rising with platform to differ, regulated by the hydraulic system pressure of platform and adapt to load change；
Step 3: when construction terminates carry out pile pulling after rear platform needs to transfer to offshore floating and receive stake operation, in the process
Spud leg is spud leg bottom surface close to hull upwards action relative to the course of action of hull, a system load when platform is transferred and received
All differ, regulated by the hydraulic system pressure of platform and adapt to load change.
6. according to a kind of elevating method described in claim 5, it is characterised in that: the detailed process of step 2 is:
1) after in 4# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder is retracted and drives 4#
Slide block is to the height of original 1# slide block, and the latch of 1#, 2# and 3# slide block and inside thereof is stretched at each self-corresponding hoist cylinder simultaneously
Go out lower drive spud leg to move down, until 3# slide block stops to original 4# slide block height and position；
2) in 4# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 3# slide block to the height of original 1# slide block,
The latch of 1#, 2# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 2# slide block to original 4# slide block height and position；
3) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 2# slide block to the height of original 1# slide block,
The latch of 1#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 1# slide block to original 4# slide block height and position；
4) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 1# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder retract and drive 1# slide block to the height of original 1# slide block,
The latch of 2#, 3# and 4# slide block and inside thereof stretches out lower drive spud leg at each self-corresponding hoist cylinder and moves down, directly simultaneously
Stop to 4# slide block to original 4# slide block height and position；
5) in 1# slide block, latch starts after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out to move by the first step
Continue cycling through action until platform arrives specifies position.
7. according to a kind of elevating method described in claim 5, it is characterised in that: the detailed process of step 3 is:
1) after in 1# slide block, latch extracts spud leg pin hole under the action that plugging pin oil cylinder is retracted, hoist cylinder stretches out and drives 1#
Slide block is to the height of original 4# slide block, and the latch of 4#, 3# and 2# slide block and inside thereof contracts at each self-corresponding hoist cylinder simultaneously
Return lower drive spud leg to move up, until 2# slide block stops to original 1# slide block height and position；
2) in 1# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 2# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 2# slide block to the height of original 4# slide block,
The latch of 4#, 3# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 3# slide block to original 1# slide block height and position；
3) in 2# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 3# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 3# slide block to the height of original 4# slide block,
The latch of 4#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 4# slide block to original 1# slide block height and position；
4) in 3# slide block, latch extend out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out, and in 4# slide block, latch is being inserted
Pin oil cylinder retract action under extract spud leg pin hole after hoist cylinder stretch out and drive 4# slide block to the height of original 4# slide block,
The latch of 3#, 2# and 1# slide block and inside thereof drives spud leg to move up, directly under each self-corresponding hoist cylinder is retracted simultaneously
Stop to 1# slide block to original 1# slide block height and position；
5) in 4# slide block, latch starts after extending out to insert spud leg pin hole under the action that plugging pin oil cylinder is stretched out to move by the first step
Continue cycling through action until spud leg withdrawal platform stake indoor are terminated.
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| CN201610683541.8A CN106149661B (en) | 2016-08-18 | 2016-08-18 | Self-lifting offshore wind power job platform elevating mechanism and its elevating method |
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| CN201610683541.8A CN106149661B (en) | 2016-08-18 | 2016-08-18 | Self-lifting offshore wind power job platform elevating mechanism and its elevating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183763A (en) * | 2018-08-15 | 2019-01-11 | 广东精铟海洋工程股份有限公司 | A kind of small-sized jack-up unit wedge bracket for slide-like jacking system |
| CN109723049A (en) * | 2017-10-31 | 2019-05-07 | 烟台中集来福士海洋工程有限公司 | Jack up drilling platform and its elevating method |
| CN110258490A (en) * | 2019-05-30 | 2019-09-20 | 江苏亨通蓝德海洋工程有限公司 | A kind of bolt-type jacking system console control single pile method |
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