CN105967089B - Double-acting continuous lifting system for offshore platform and lifting method thereof - Google Patents
Double-acting continuous lifting system for offshore platform and lifting method thereof Download PDFInfo
- Publication number
- CN105967089B CN105967089B CN201610410844.2A CN201610410844A CN105967089B CN 105967089 B CN105967089 B CN 105967089B CN 201610410844 A CN201610410844 A CN 201610410844A CN 105967089 B CN105967089 B CN 105967089B
- Authority
- CN
- China
- Prior art keywords
- group
- lowering
- lifting unit
- bolt axle
- hoisting gear
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
- B66F3/28—Adaptations or arrangements of pistons telescopic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Transmission Devices (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a double-acting continuous lifting system for an offshore platform and a lifting method thereof. The double-acting continuous lifting system comprises a fixing frame, a pile leg and lifting devices, wherein the pile leg is sleeved with the fixing frame, and one end of the fixing frame is fixed to the platform. The fixing frame comprises lifting device mounting seats which are arranged in the middle of the fixing frame, and the lifting devices are mounted on the lifting device mounting seats. The double-acting continuous lifting system further comprises lock pin devices which are arranged on the side, corresponding to lifting guide rails, of a fixing ring beam. The lock pin devices are high in bearing capacity and can independently bear the maximum load of the offshore platform to guarantee uniform distribution of the load. The double-acting continuous lifting system for the offshore platform is high in lifting speed and lifting capacity and suitable for the heavy-load offshore platform, and the rapid-lifting platform can improve operation efficiency and safety.
Description
Technical field
The present invention relates to jack up offshore platform jacking system field, more particularly to a kind of double acting for offshore platform
Continuous jacking system and its elevating method.
Background technology
Offshore work platform is required for the spud leg for adopting elevating mechanism with moving platform to move up and down to realize that operation on the sea is put down
The lifting of platform.When offshore work platform reaches job position, spud leg is fallen, and offshore work platform is promoted on sea
Ballast after specified altitude assignment, makes spud leg fixedly positioning in seabed；When fulfiling assignment homeward, offshore work platform is fallen to Hai Ping
Face, spud leg of choosing, and spud leg remains rise during homeward.Due to maritime environment it is complicated and changeable, offshore work platform
Distinguished and admirable, ocean current impact is subject at any time and load effect of drifting along, therefore how to improve lift capability and the locking of offshore work platform
Ability, has problem to be solved to accelerate functioning efficiency and improve operational security to become.
The content of the invention
It is an object of the invention to propose that a kind of rising or falling speed is fast, bearing capacity is strong, reliability it is high for offshore platform
The continuous jacking system of double acting and its elevating method.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of continuous jacking system of the double acting for offshore platform, including fixed mount, spud leg and lowering or hoisting gear, it is described solid
Determine the outside that frame is sheathed on the spud leg, and platform is fixed in one end of the fixed mount；The fixed mount includes lifting dress
Mounting seat is put, the lowering or hoisting gear mounting seat is arranged at the middle part of the fixed mount, and the lowering or hoisting gear is installed on the lifting
Device mounting seat；
The spud leg includes riser guide, and the riser guide is arranged at the outside of the spud leg, and the riser guide sets
There are several pin-and-holes, the pin-and-hole is longitudinally disposed at evenly and at intervals on the riser guide；
The lowering or hoisting gear include the first lift slide, the second lift slide, the first bolt mechanism, the second bolt mechanism and
Hoist cylinder, the hoist cylinder is double acting double-piston rod-type hydraulic stem, and the hoist cylinder is mounted longitudinally in the liter
Falling unit mounting seat；The hoist cylinder includes First piston bar, second piston bar and piston, one end of the First piston bar
It is connected with the side of the piston, one end of the second piston bar is connected with the opposite side of the piston；The first piston
The other end of bar is connected with one end of first lift slide, and the other end of the second piston bar is slided with the described second lifting
One end connection of seat；
First lift slide and the equal activity of second lift slide are connected on the riser guide, and described
Hoist cylinder drives first lift slide and second lift slide along the riser guide lengthwise movement；Described first
Bolt mechanism is arranged at the middle part of first lift slide, and first bolt mechanism includes the first bolt axle, and described first
Bolt axle is adapted with the pin-and-hole；Second bolt mechanism is arranged at the middle part of second lift slide, and described second
Bolt mechanism includes the second bolt axle, and second bolt axle is adapted with the pin-and-hole.
Preferably, also including latch gear, the fixed mount also includes fixed ring beam, and the fixed ring beam is arranged at described
The other end of fixed mount；
The latch gear is arranged at the side corresponding with the riser guide of the fixed ring beam, the latch gear
Including lock pin, the lock pin is adapted with the pin-and-hole.
Preferably, the latch gear also includes lock pin oil cylinder and lockpin sleeve, and the lock pin oil cylinder is installed on the lock pin
The inside of set, the lock pin is connected with the piston of the lock pin oil cylinder, and the outside of the lockpin sleeve is provided with lock pin cushion pad, institute
If if state lock pin cushion pad being spaced apart including dry plate steel disc and dry plate sheet rubber, the steel disc and the sheet rubber；
The latch gear also includes lock pin position sensor, and the lock pin position sensor is arranged at the lock pin
Towards one end of the pin-and-hole.
Preferably, first bolt mechanism also includes the first snibbing position sensor, the first snibbing position sensing
Device is arranged at one end of the direction pin-and-hole of first bolt axle；
Second bolt mechanism also includes the second snibbing position sensor, and the second snibbing position sensor is arranged at
One end of the direction pin-and-hole of second bolt axle.
Preferably, the hoist cylinder includes first pressure sensor and second pressure sensor, the hoist cylinder
Cylinder body is divided into the first oil pocket and the second oil pocket, and first oil pocket is arranged at the side of the piston, and second oil pocket is arranged
In the opposite side of the piston；
The hydraulic fluid port connection of the test side of the first pressure sensor and the first oil pocket of the hoist cylinder, described second
The hydraulic fluid port connection of the second oil pocket of the test side of pressure sensor and the hoist cylinder.
Preferably, also including spud leg cleaning device, the spud leg cleaning device be arranged at the fixed ring beam with it is described
The corresponding side of spud leg.
Preferably, the structure of the spud leg is rectangular column, is provided with four riser guides, and the riser guide is arranged at
The outside in the face of the spud leg；
It is first group of rail unit that definition is arranged on two riser guides on relative two face of the spud leg, is defined
Two riser guides being arranged on remaining two faces of the spud leg are second group of rail unit；
Accordingly, four lowering or hoisting gears, two liftings of definition correspondence first group of rail unit are provided with
Device is first group of lifting unit, and two lowering or hoisting gears of definition correspondence second group of rail unit are second group of lifting
Unit.
Preferably, the elevating method of the continuous jacking system of the double acting for offshore platform：
Set reset condition as the lock pin of the latch gear, first bolt axle of the lowering or hoisting gear,
The corresponding pin-and-hole is inserted with second bolt axle of the lowering or hoisting gear, is set between the pin-and-hole adjacent two-by-two
D is divided into, two lowering or hoisting gear synchronization actions of first group of lifting unit are set, second group of lifting unit is set
Two lowering or hoisting gear synchronization actions；
Set the piston that the lowering or hoisting gear moved down as the hoist cylinder to move down so as to drive first lift slide
Move down with second lift slide, set and moved so as to drive on the piston moved on the lowering or hoisting gear as the hoist cylinder
State and moved on the first lift slide and second lift slide, set the lowering or hoisting gear on divide a word with a hyphen at the end of a line and journey and move down stroke and be
1D～3D；
Including lift bench method：
Step A1, first, withdraws the lock pin of the latch gear under the reset condition, withdraws described second
First bolt axle and second bolt axle of group lifting unit；Then, the lifting of first group of lifting unit
Device moves down stroke and moves down as described in setting, to drive the spud leg to sink；
Step A2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are right
The pin-and-hole answered, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；Then,
The lowering or hoisting gear of second group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg to sink,
Simultaneously the lowering or hoisting gear of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are right
The pin-and-hole answered, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；Then,
The lowering or hoisting gear of first group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg to sink,
Simultaneously the lowering or hoisting gear of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A4, constantly circulates execution step A2 and step A3, until the spud leg drops to sea bed and platform rises to
Till specified altitude assignment, the reset condition is then return to.
Preferably, also including decline platform method:
Step B1, first, withdraws the lock pin of the latch gear under the reset condition, withdraws described second
First bolt axle and second bolt axle of group lifting unit；Then, the lifting of first group of lifting unit
Device by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform；
Step B2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are right
The pin-and-hole answered, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；Then,
The lowering or hoisting gear of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform, while
The lowering or hoisting gear of first group of lifting unit moves down stroke and moves down as described in setting；
Step B3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are right
The pin-and-hole answered, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；Then,
The lowering or hoisting gear of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, to drive the platform to decline,
Simultaneously the lowering or hoisting gear of second group of lifting unit moves down stroke and moves down as described in setting；
Step B4, constantly circulates execution step B2 and step B3, until platform drops to sea level and the spud leg 2 is received
Till being back to platform, the reset condition is then return to.
Preferably, also including solid stake and the method for playing stake:
Gu stake process：
Step C1, first, withdraws the lock pin of the latch gear under the reset condition；Then, described
The lowering or hoisting gear of the lowering or hoisting gear of one group of lifting unit and second group of lifting unit by setting it is described under
Journey of dividing a word with a hyphen at the end of a line is moved down, to drive the spud leg to sink；
Step C2, first, the lock pin of the latch gear inserts the pin-and-hole, while withdrawing first group of liter
First bolt axle and second bolt axle of drop unit, and first latch for withdrawing second group of lifting unit
Axle and second bolt axle；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
The lowering or hoisting gear by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step C3, first, first bolt axle and second bolt axle of first group of lifting unit and described
First bolt axle and second bolt axle of second group of lifting unit inserts the corresponding pin-and-hole, while withdrawing institute
State the lock pin of latch gear；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting
The lowering or hoisting gear of unit moves down stroke and moves down as described in setting, to drive the spud leg to sink；
Step C4, constantly circulation execution step C2 and step C3, till the spud leg is fixed on sea bed, are then return to
The reset condition；
Play stake process：
Step D1, first, withdraws the lock pin of the latch gear under the reset condition；Then, described first group
The lowering or hoisting gear of the lowering or hoisting gear of lifting unit and second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line
Cheng Shangyi, move on the spud leg with being driven；
Step D2, first, the lock pin of the latch gear inserts the pin-and-hole, while withdrawing first group of liter
First bolt axle and second bolt axle of drop unit, and first latch for withdrawing second group of lifting unit
Axle and second bolt axle；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
The lowering or hoisting gear move down stroke and move down as described in setting；
Step D3, first, first bolt axle and second bolt axle of first group of lifting unit and described
First bolt axle and second bolt axle of second group of lifting unit inserts the corresponding pin-and-hole, while withdrawing institute
State the lock pin of latch gear；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting
The lowering or hoisting gear of unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, move on the spud leg with being driven；
Step D4, constantly circulation execution step D2 and step D3, till the spud leg is extracted from sea bed, then return
To the reset condition.
The continuous jacking system of the double acting for offshore platform is used for the spud leg with moving platform and moves up and down, with
Lower stake, solid stake are realized, platform, fixed platform is risen, is dropped platform, plays stake and receive a series of operation process such as stake.The hoist cylinder
For double acting double-piston rod-type hydraulic stem, so as to first lift slide that is connected with the hoist cylinder and described second liter
Drop slide is synchronized with the movement, i.e. both simultaneously motions or while move downward upwards, and movement travel is identical, and such setting can be carried
The jacking capacity of the high lowering or hoisting gear, and can balancing load, improve the operational reliability of the lowering or hoisting gear.The lock pin
Device is arranged at the side corresponding with the riser guide of the fixed ring beam, for locking the spud leg and to the spud leg
Realize that radial constraint fastening is acted on.The latch gear bearing capacity is strong, can individually carry the maximum load of offshore platform, it is ensured that
Load is uniformly distributed.The continuous jacking system rising or falling speed of the double acting for offshore platform is 24 ms/h, lifts energy
Power is 5000 tons/leg, and support force is 2 times of jacking capacity, and rising or falling speed is fast, and lift capability is strong, it is adaptable to put down at the sea of heavy duty
Platform, fast lifting platform can improve the efficiency and security of operation.
The elevating method of the continuous jacking system of the bolt-type for offshore platform is by the latch gear to described
Spud leg is locked, and second group of lifting unit can contracting described in while first group of lifting unit drives the spud leg to sink
Return, or second group of lifting unit, first group of lifting unit described in while drive the spud leg to sink is regracting, so as to
Quick continuous lifting is realized, operating efficiency and security is improved.
Description of the drawings
The present invention will be further described for accompanying drawing, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the jacking system structural representation of one of embodiment of the invention；
Fig. 2 is the lifting device structure schematic diagram of one of embodiment of the invention.
Wherein：Fixed mount 1；Spud leg 2；Lowering or hoisting gear 3；Lowering or hoisting gear mounting seat 11；Riser guide 21；Pin-and-hole 22；First
Lift slide 31；Second lift slide 32；First bolt mechanism 33；Second bolt mechanism 34；Hoist cylinder 35；Latch gear 4；
Fixed ring beam 12.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
A kind of continuous jacking system of double acting for offshore platform of the present embodiment, as shown in figure 1, including fixed mount 1,
Spud leg 2 and lowering or hoisting gear 3, the fixed mount 1 is sheathed on the outside of the spud leg 2, and one end of the fixed mount 1 is fixed on
Platform；The fixed mount 1 includes lowering or hoisting gear mounting seat 11, and the lowering or hoisting gear mounting seat 11 is arranged at the fixed mount 1
Middle part, the lowering or hoisting gear 3 is installed on the lowering or hoisting gear mounting seat 11；
The spud leg 2 includes riser guide 21, and the riser guide 21 is arranged at the outside of the spud leg 2, the lifting
Guide rail 21 is provided with several pin-and-holes 22, and the pin-and-hole 22 is longitudinally disposed at evenly and at intervals on the riser guide 21；
The lowering or hoisting gear 3 includes that the first lift slide 31, the second lift slide 32, the first bolt mechanism 33, second are inserted
Pin mechanism 34 and hoist cylinder 35, as shown in Fig. 2 the hoist cylinder 35 is double acting double-piston rod-type hydraulic stem, the liter
Drop oil cylinder 35 is mounted longitudinally in the lowering or hoisting gear mounting seat 11；The hoist cylinder 35 includes that First piston bar, second live
Stopper rod and piston, one end of the First piston bar is connected with the side of the piston, one end of the second piston bar and institute
State the opposite side connection of piston；The other end of the First piston bar is connected with one end of first lift slide 31, described
The other end of second piston bar is connected with one end of second lift slide 32；
First lift slide 31 and the equal activity of second lift slide 32 are connected on the riser guide 21, and
And the hoist cylinder 35 drives first lift slide 31 and second lift slide 32 vertical along the riser guide 21
To motion；First bolt mechanism 33 is arranged at the middle part of first lift slide 31, and first bolt mechanism 33 is wrapped
The first bolt axle is included, first bolt axle is adapted with the pin-and-hole 22；Second bolt mechanism 34 is arranged at described
The middle part of two lift slides 32, second bolt mechanism 34 includes the second bolt axle, second bolt axle and the pin-and-hole
22 are adapted.
The continuous jacking system of the double acting for offshore platform moves up and down for the spud leg 2 with moving platform,
To realize lower stake, solid stake, rise platform, fixed platform, drop platform, play stake and receive a series of operation process such as stake.The lifting dress
Put 3 and be provided with first bolt mechanism 33 and second bolt mechanism 34, and be respectively equipped with and be adapted with the pin-and-hole 22
The first bolt axle and the second bolt axle so that first bolt mechanism 33 and second bolt mechanism 34 and the stake
Leg 2 connects, and then the hoist cylinder 35 drives first lift slide 31 and second lift slide 32 along the liter
The synchronous lengthwise movement of drop guide rail 21, you can drive the spud leg 2 lengthwise movement.The hoist cylinder 35 is double acting double piston-rod
Formula hydraulic stem, so as to synchronous with first lift slide 31 and second lift slide 32 that the hoist cylinder 35 connects
Motion, i.e. both simultaneously motions or while move downward upwards, and movement travel is identical, such setting can improve the lifting
The jacking capacity of device 3, and can balancing load, improve the operational reliability of the lowering or hoisting gear 3.
The continuous jacking system rising or falling speed of the double acting for offshore platform is 24 ms/h, and lift capability is
5000 tons/leg, support force is 2 times of jacking capacity, and rising or falling speed is fast, and lift capability is strong, it is adaptable to the offshore platform of heavy duty, soon
Fast hoistable platform can improve the efficiency and security of operation.
Preferably, also including latch gear 4, as shown in figure 1, the fixed mount 1 also includes fixed ring beam 12, the fixation
Ring beam 12 is arranged at the other end of the fixed mount 1；The latch gear 4 is being arranged at the fixed ring beam 12 with the lifting
The corresponding side of guide rail 21, the latch gear 4 includes lock pin, and the lock pin is adapted with the pin-and-hole 22.
The latch gear 4 is used to lock the spud leg 2 and realizes that radial constraint fastening is acted on to the spud leg 2.It is fixed
The lock pin of the latch gear 4 and the first bolt axle of the lowering or hoisting gear 3 and the second bolt axle are inserted during platform
The corresponding pin-and-hole 22, and other operation process are when starting, the lock pin of the latch gear 4 inserts the pin-and-hole 22
The first bolt axle and the second bolt axle with the lowering or hoisting gear 3 is withdrawn, stretches in order to the hoist cylinder 35.The lock pin
The bearing capacity of device 4 is strong, can individually carry the maximum load of offshore platform, it is ensured that load is uniformly distributed.The latch gear 4
Material be steel alloy, intensity is big, and low-temperature flexibility is strong, is effective against marine environment complicated and changeable.
Preferably, the latch gear 4 also includes lock pin oil cylinder and lockpin sleeve, and the lock pin oil cylinder is installed on the lock pin
The inside of set, the lock pin is connected with the piston of the lock pin oil cylinder, and the outside of the lockpin sleeve is provided with lock pin cushion pad, institute
If if state lock pin cushion pad being spaced apart including dry plate steel disc and dry plate sheet rubber, the steel disc and the sheet rubber；
The latch gear 4 also includes lock pin position sensor, and the lock pin position sensor is arranged at the lock pin
The direction pin-and-hole 22 one end.
The latch gear 4 also includes the lock pin oil cylinder and the lockpin sleeve, the lock pin of the latch gear 4
Driven by the lock pin oil cylinder and slided in the lockpin sleeve, the lock pin is ladder pin, plays and realizes footpath to the spud leg 2
To constraint fastening effect.The outside of the lockpin sleeve is provided with lock pin cushion pad, if the lock pin cushion pad includes what is be spaced apart
If dried layer steel disc and dried layer sheet rubber, vibration reduction and cushioning effect is played to the latch gear 4, mitigate institute caused by sea beat institute
The collision deformation between latch gear 4 and the fixed ring beam 1 is stated, the lock pin cushion pad arranges steel disc between sheet rubber,
The anti-pressure ability of cushion pad is greatly strengthen, the carrying demand of heavy load is met.The lock pin position sensor of the latch gear 4
For detecting the position of the pin-and-hole 22, to ensure that the lock pin can be properly inserted the corresponding pin-and-hole 22, prevent because aligning
It is improper to cause the lock pin to insert the pin-and-hole 22, the lock pin is caused to damage.
Preferably, first bolt mechanism 33 also includes the first snibbing position sensor, and first snibbing position is passed
Sensor is arranged at one end of the direction pin-and-hole 22 of first bolt axle；
Second bolt mechanism 34 also includes the second snibbing position sensor, and the second snibbing position sensor is arranged
In one end of the direction of second bolt axle pin-and-hole 22.
First snibbing position sensor of first bolt mechanism 33 and the second latch of second bolt mechanism 34
Position sensor, is used to detect the position of the pin-and-hole 22, to ensure first bolt axle and the equal energy of second bolt axle
The corresponding pin-and-hole 22 is properly inserted, prevents from improper causing first bolt axle and second bolt axle cannot because aligning
The corresponding pin-and-hole 22 is inserted, first bolt axle and second bolt axle are caused to damage.
Preferably, the hoist cylinder 35 includes first pressure sensor and second pressure sensor, the hoist cylinder
35 cylinder body is divided into the first oil pocket and the second oil pocket, and first oil pocket is arranged at the side of the piston, second oil pocket
It is arranged at the opposite side of the piston；
The hydraulic fluid port connection of the test side of the first pressure sensor and the first oil pocket of the hoist cylinder 35, described the
The hydraulic fluid port connection of the second oil pocket of the test side of two pressure sensors and the hoist cylinder 35.
The hoist cylinder 35 arranges the first pressure sensor and the second pressure sensor, detects described respectively
First oil pocket of hoist cylinder 35, the pressure of the second oil pocket, with the operating pressure of hoist cylinder described in Real-time Feedback 35, work as generation
Overload signal is sent during overload to control system, timely pressure release plays a protective role to the spud leg 2.
Preferably, also including spud leg cleaning device, the spud leg cleaning device be arranged at the fixed ring beam 12 with institute
The corresponding side of spud leg 2 is stated, for cleaning to the spud leg 2 when stake is received.Due to containing a large amount of salinities in seawater, in sun
To the generation corrosiveness of the spud leg 2 under the collective effect of light and air, therefore the setting spud leg cleaning device avoids seawater
Corrosiveness to the spud leg 2, extends the service life of the spud leg 2.
Preferably, the structure of the spud leg 2 is rectangular column, is provided with four riser guides 21, the riser guide 21
It is arranged at the outside in the face of the spud leg 2；
It is first group of rail unit that definition is arranged on two riser guides 21 on relative two face of the spud leg 2,
It is second group of rail unit that definition is arranged on two riser guides 21 on remaining two faces of the spud leg 2；
Accordingly, four lowering or hoisting gears 3, two liftings of definition correspondence first group of rail unit are provided with
Device 3 is first group of lifting unit, and two lowering or hoisting gears 3 of definition correspondence second group of rail unit are second group of liter
Drop unit.
Four lowering or hoisting gears 3 are set and are divided into first group of lifting unit and second group of lifting unit, institute
State first group of lifting unit and second group of lifting unit be separate, and can individually drive the spud leg 2 to move up and down,
Therefore when any group of lifting unit or any one described lowering or hoisting gear 3 break down, do not affect described for marine flat
The operation of the bolt-type jacking system of platform, improves operational reliability.
Preferably, the elevating method of the continuous jacking system of the double acting for offshore platform:
Reset condition is set as the lock pin of the latch gear 4, first latch of the lowering or hoisting gear 3
Second bolt axle of axle and the lowering or hoisting gear 3 inserts the corresponding pin-and-hole 22, sets the pin adjacent two-by-two
Hole 22 at intervals of D, set two synchronization actions of the lowering or hoisting gear 3 of first group of lifting unit, setting described second
Two synchronization actions of the lowering or hoisting gear 3 of group lifting unit；
Set the piston that the lowering or hoisting gear 3 moved down as the hoist cylinder 35 to move down so as to drive first lifting to slide
Seat 31 and second lift slide 32 are moved down, and are set and moved on the piston moved on the lowering or hoisting gear 3 as the hoist cylinder 35
Move on first lift slide 31 and second lift slide 32 so as to drive, divide a word with a hyphen at the end of a line on the setting lowering or hoisting gear 3
Journey and move down stroke and be 1D～3D；
Including lift bench method：
Step A1, first, withdraws the lock pin of the latch gear 4 under the reset condition, withdraws described the
First bolt axle and second bolt axle of two groups of lifting units；Then, the liter of first group of lifting unit
Falling unit 3 moves down stroke and moves down as described in setting, to drive the spud leg 2 to sink；
Step A2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are right
The pin-and-hole 22 answered, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；So
Afterwards, the lowering or hoisting gear 3 of second group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg 2
Sink, at the same the lowering or hoisting gear 3 of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are right
The pin-and-hole 22 answered, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；So
Afterwards, the lowering or hoisting gear 3 of first group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg 2
Sink, at the same the lowering or hoisting gear 3 of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A4, constantly circulates execution step A2 and step A3, until the spud leg 2 drops to sea bed and platform rises to
Till specified altitude assignment, the reset condition is then return to.
The lift bench method is that the continuous jacking system of double acting for offshore platform completes lower stake and peaceful
The method of the operation process such as platform.During beginning, by the latch gear 4, first bolt mechanism 33 and second latch
The spud leg 2 is fixed on platform in mechanism 34；Step A1 is performed when platform reaches specified location, first by the lock pin
First bolt axle and second bolt axle of the lock pin of device 4 and second group of lifting unit withdraws, institute
Stating first group of lifting unit drives the spud leg 2 to sink；Then constantly circulation performs step A2 and step A3, described
Spud leg 2 constantly sinks and is fixed on seabed, and then platform is risen to after specified altitude assignment, by the latch gear 4, described first
Bolt mechanism 33 and second bolt mechanism 34 are fixed on platform on the spud leg 2.The institute in the lift bench method
State lowering or hoisting gear 3 on divide a word with a hyphen at the end of a line and journey and move down stroke and be both preferably 2D.
Lock due to being provided with 4 pairs of spud legs 2 of the latch gear, therefore the lift bench method need not set
Lock stud group is put, i.e., second group of lifting unit can contracting described in while described first group of lifting unit drives the spud leg 2 to sink
Return, or second group of lifting unit, first group of lifting unit described in while drive the spud leg 2 to sink is regracting, so as to
Realize the stake of quick continuous drop.The lift bench method is simple to operate, and is capable of achieving the quick continuous decline peace of the spud leg 2
The quick continuous lifting of platform, improves operating efficiency and security.
Preferably, also including decline platform method:
Step B1, first, withdraws the lock pin of the latch gear 4 under the reset condition, withdraws described the
First bolt axle and second bolt axle of two groups of lifting units；Then, the liter of first group of lifting unit
Falling unit 3 by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform；
Step B2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are right
The pin-and-hole 22 answered, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；So
Afterwards, the lowering or hoisting gear 3 of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform,
Simultaneously the lowering or hoisting gear 3 of first group of lifting unit moves down stroke and moves down as described in setting；
Step B3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are right
The pin-and-hole 22 answered, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；So
Afterwards, the lowering or hoisting gear 3 of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, to drive the platform under
Drop, while the lowering or hoisting gear 3 of second group of lifting unit moves down stroke as described in setting moving down；
Step B4, constantly circulates execution step B2 and step B3, until platform drops to sea level and the spud leg 2 is received
Till being back to platform, the reset condition is then return to.
The platform method that declines is that the continuous jacking system of double acting for offshore platform completes to drop platform and receipts
The method of the operation process such as stake.During beginning, by the latch gear 4, first bolt mechanism 33 and second latch
The spud leg 2 is fixed on platform in mechanism 34；When it is homeward need to decline platform when perform step B1, first by the lock pin fill
Put 4 lock pin and first bolt axle of second group of lifting unit and second bolt axle withdraws, it is described
First group of lifting unit drives the platform to decline, and then constantly circulation performs step B2 and step B3, and platform is not
Disconnected to drop to sea level, then the spud leg 2 constantly rises to and arrives at after platform, is inserted by the latch gear 4, described first
Pin mechanism 33 and second bolt mechanism 34 are fixed on the spud leg 2 on platform.Described in the decline platform method
Journey of dividing a word with a hyphen at the end of a line on lowering or hoisting gear 3 and move down stroke and be both preferably 2D.
Lock due to being provided with 4 pairs of spud legs 2 of the latch gear, therefore the decline platform method need not set
Lock stud group is put, i.e., second group of lifting unit described in while described first group of lifting unit band moving platform declines can be moved down, or
First group of lifting unit described in while second group of lifting unit band moving platform declines can be moved down, so as to realize quickly connecting
Continuous drop platform.The decline platform method is simple to operate, and it is quick with the spud leg 2 to be capable of achieving the quick continuous decline of platform
Continuance lifting, improves operating efficiency and security.
Preferably, also including solid stake and the method for playing stake:
Gu stake process：
Step C1, first, withdraws the lock pin of the latch gear 4 under the reset condition；Then, described
The lowering or hoisting gear 3 of the lowering or hoisting gear 3 of one group of lifting unit and second group of lifting unit is by the described of setting
Move down stroke to move down, to drive the spud leg 2 to sink；
Step C2, first, the lock pin of the latch gear 4 inserts the pin-and-hole 22, while withdrawing described first
First bolt axle and second bolt axle of group lifting unit, and withdraw second group of lifting unit described first
Bolt axle and second bolt axle；Then, the lowering or hoisting gear 3 of first group of lifting unit and second group of lifting
The lowering or hoisting gear 3 of unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step C3, first, first bolt axle and second bolt axle of first group of lifting unit and described
First bolt axle and second bolt axle of second group of lifting unit inserts the corresponding pin-and-hole 22, while withdrawing
The lock pin of the latch gear 4；Then, the lowering or hoisting gear 3 of first group of lifting unit and described second group
The lowering or hoisting gear 3 of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg 2 to sink；
Step C4, constantly circulation execution step C2 and step C3, till the spud leg 2 is fixed on sea bed, then return
To the reset condition；
Play stake process：
Step D1, first, withdraws the lock pin of the latch gear 4 under the reset condition；Then, described
The lowering or hoisting gear 3 of the lowering or hoisting gear 3 of one group of lifting unit and second group of lifting unit is by the described of setting
On divide a word with a hyphen at the end of a line Cheng Shangyi, move on the spud leg 2 with being driven；
Step D2, first, the lock pin of the latch gear 4 inserts the pin-and-hole 22, while withdrawing described first
First bolt axle and second bolt axle of group lifting unit, and withdraw second group of lifting unit described first
Bolt axle and second bolt axle；Then, the lowering or hoisting gear 3 of first group of lifting unit and second group of lifting
The lowering or hoisting gear 3 of unit moves down stroke and moves down as described in setting；
Step D3, first, first bolt axle and second bolt axle of first group of lifting unit and described
First bolt axle and second bolt axle of second group of lifting unit inserts the corresponding pin-and-hole 22, while withdrawing
The lock pin of the latch gear 4；Then, the lowering or hoisting gear 3 of first group of lifting unit and described second group
The lowering or hoisting gear 3 of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, move on the spud leg 2 with being driven；
Step D4, constantly circulates execution step D2 and step D3, till the spud leg 2 is extracted from sea bed, then
Return to the reset condition.
The solid stake and rise stake method be the continuous jacking system of double acting for offshore platform complete solid stake and
The method for playing the operation process such as stake.The solid stake process is that the spud leg 2 is fixed on into sea bed to prevent platform by wave, distinguished and admirable
Shake Deng impact or offset, and described stake process extracts the spud leg 2 from sea bed when being homeward receipts stake.It is described solid
The method of stake and a stake is carried out during the solid stake process and described stake by the latch gear 4 to the spud leg 2
Locking protection, and the lowering or hoisting gear 3 and described the of first group of lifting unit is adjusted in 2 lock-out state of spud leg
The stroke of the lowering or hoisting gear 3 of two groups of lifting units, so as to play quick-adjustsing effect, realizes first group of lifting list
Being synchronized with the movement for lowering or hoisting gear 3 described in first and described second group of lifting unit total of four, improves solid stake and plays the speed of stake.Institute
State solid stake and rise lowering or hoisting gear 3 described in the method for stake on divide a word with a hyphen at the end of a line and journey and move down stroke and be both preferably 1D.Due to solid stake and rise
Stake is required to sizable lifting force, the solid stake and play the method for stake using moving in the synchronization of four lowering or hoisting gears 3 or
Synchronously move down, both played balancing load, it is to avoid the effect of overload, the lifting force to the spud leg 2 can be greatly improved again, meet
Gu stake and the job requirements of a stake.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (10)
1. the continuous jacking system of a kind of double acting for offshore platform, including fixed mount, spud leg and lowering or hoisting gear, the fixation
Frame is sheathed on the outside of the spud leg, and platform is fixed in one end of the fixed mount；The fixed mount includes lowering or hoisting gear
Mounting seat, the lowering or hoisting gear mounting seat is arranged at the middle part of the fixed mount, and the lowering or hoisting gear is installed on the lifting dress
Put mounting seat, it is characterised in that：
The spud leg includes riser guide, and the riser guide is arranged at the outside of the spud leg, if the riser guide is provided with
Dry pin-and-hole, the pin-and-hole is longitudinally disposed at evenly and at intervals on the riser guide；
The lowering or hoisting gear includes the first lift slide, the second lift slide, the first bolt mechanism, the second bolt mechanism and lifting
Oil cylinder, the hoist cylinder is double acting double-piston rod-type hydraulic stem, and the hoist cylinder is mounted longitudinally in the lifting dress
Put mounting seat；The hoist cylinder includes First piston bar, second piston bar and piston, one end of the First piston bar and institute
The side connection of piston is stated, one end of the second piston bar is connected with the opposite side of the piston；The First piston bar
The other end is connected with one end of first lift slide, the other end of the second piston bar and second lift slide
One end connects；
First lift slide and the equal activity of second lift slide are connected on the riser guide, and the lifting
Oil cylinder drives first lift slide and second lift slide along the riser guide lengthwise movement；First latch
Mechanism is arranged at the middle part of first lift slide, and first bolt mechanism includes the first bolt axle, first latch
Axle is adapted with the pin-and-hole；Second bolt mechanism is arranged at the middle part of second lift slide, second latch
Mechanism includes the second bolt axle, and second bolt axle is adapted with the pin-and-hole.
2. the continuous jacking system of the double acting for offshore platform according to claim 1, it is characterised in that：Also include lock
Pin assembly, the fixed mount also includes fixed ring beam, and the fixed ring beam is arranged at the other end of the fixed mount；
The latch gear is arranged at the side corresponding with the riser guide of the fixed ring beam, and the latch gear includes
Lock pin, the lock pin is adapted with the pin-and-hole.
3. the continuous jacking system of the double acting for offshore platform according to claim 2, it is characterised in that：The lock pin
Device also includes lock pin oil cylinder and lockpin sleeve, and the lock pin oil cylinder is installed on the inside of the lockpin sleeve, the lock pin and institute
The piston connection of lock pin oil cylinder is stated, the outside of the lockpin sleeve is provided with lock pin cushion pad, if the lock pin cushion pad includes dry plate
If steel disc and dry plate sheet rubber, the steel disc and the sheet rubber are spaced apart；
The latch gear also includes lock pin position sensor, and the lock pin position sensor is arranged at the direction of the lock pin
One end of the pin-and-hole.
4. the continuous jacking system of the double acting for offshore platform according to claim 1, it is characterised in that：Described first
Bolt mechanism also includes the first snibbing position sensor, and the first snibbing position sensor is arranged at first bolt axle
Towards one end of the pin-and-hole；
Second bolt mechanism also includes the second snibbing position sensor, and the second snibbing position sensor is arranged at described
One end of the direction pin-and-hole of the second bolt axle.
5. the continuous jacking system of the double acting for offshore platform according to claim 1, it is characterised in that：The lifting
Oil cylinder includes first pressure sensor and second pressure sensor, and the cylinder body of the hoist cylinder is divided into the first oil pocket and second oily
Chamber, first oil pocket is arranged at the side of the piston, and second oil pocket is arranged at the opposite side of the piston；
The hydraulic fluid port connection of the test side of the first pressure sensor and the first oil pocket of the hoist cylinder, the second pressure
The hydraulic fluid port connection of the second oil pocket of the test side of sensor and the hoist cylinder.
6. the continuous jacking system of the double acting for offshore platform according to claim 2, it is characterised in that：Also include stake
Leg cleaning device, the spud leg cleaning device is arranged at the side corresponding with the spud leg of the fixed ring beam.
7. the continuous jacking system of the double acting for offshore platform according to claim 2, it is characterised in that：The spud leg
Structure be rectangular column, be provided with four riser guides, the riser guide is arranged at the outside in the face of the spud leg；
Accordingly, four lowering or hoisting gears are provided with.
8. the elevating method of the continuous jacking system of the double acting for offshore platform according to claim 7, its feature exists
In:
It is first group of rail unit that definition is arranged on two riser guides on relative two face of the spud leg, and definition is arranged
Two riser guides on remaining two faces of the spud leg are second group of rail unit；
Two lowering or hoisting gears of definition correspondence first group of rail unit are first group of lifting unit, and definition correspondence is described
Two lowering or hoisting gears of second group of rail unit are second group of lifting unit；
Reset condition is set as the lock pin of the latch gear, first bolt axle of the lowering or hoisting gear and institute
Second bolt axle for stating lowering or hoisting gear inserts the corresponding pin-and-hole, set the pin-and-hole adjacent two-by-two at intervals of
D, sets two lowering or hoisting gear synchronization actions of first group of lifting unit, sets the two of second group of lifting unit
The individual lowering or hoisting gear synchronization action；
Set the piston that the lowering or hoisting gear moved down as the hoist cylinder to move down so as to drive first lift slide and institute
State the second lift slide to move down, set and move on the piston moved on the lowering or hoisting gear as the hoist cylinder so as to drive described the
Move on one lift slide and second lift slide, set the lowering or hoisting gear on divide a word with a hyphen at the end of a line journey and move down stroke be 1D～
3D；
Including lift bench method：
Step A1, first, withdraws the lock pin of the latch gear under the reset condition, withdraws second group of liter
First bolt axle and second bolt axle of drop unit；Then, the lowering or hoisting gear of first group of lifting unit
Stroke is moved down as described in setting to move down, to drive the spud leg to sink；
Step A2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are corresponding
The pin-and-hole, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；Then, it is described
The lowering or hoisting gear of second group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg to sink, while
The lowering or hoisting gear of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are corresponding
The pin-and-hole, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；Then, it is described
The lowering or hoisting gear of first group of lifting unit moves down stroke and moves down as described in setting, to drive the spud leg to sink, while
The lowering or hoisting gear of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step A4, constantly circulation execution step A2 and step A3, until the spud leg drop to sea bed and platform rise to it is specified
Till height, the reset condition is then return to.
9. the elevating method of the continuous jacking system of the double acting for offshore platform according to claim 8, its feature exists
In also including decline platform method:
Step B1, first, withdraws the lock pin of the latch gear under the reset condition, withdraws second group of liter
First bolt axle and second bolt axle of drop unit；Then, the lowering or hoisting gear of first group of lifting unit
By setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform；
Step B2, first, first bolt axle of second group of lifting unit and second bolt axle insertion are corresponding
The pin-and-hole, while withdrawing first bolt axle and second bolt axle of first group of lifting unit；Then, it is described
The lowering or hoisting gear of second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, with the decline of band moving platform, while described
The lowering or hoisting gear of first group of lifting unit moves down stroke and moves down as described in setting；
Step B3, first, first bolt axle of first group of lifting unit and second bolt axle insertion are corresponding
The pin-and-hole, while withdrawing first bolt axle and second bolt axle of second group of lifting unit；Then, it is described
The lowering or hoisting gear of first group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, to drive the platform to decline, while
The lowering or hoisting gear of second group of lifting unit moves down stroke and moves down as described in setting；
Step B4, constantly circulates execution step B2 and step B3, until platform drops to sea level and the spud leg is retracted to
Till platform, the reset condition is then return to.
10. the elevating method of the continuous jacking system of the double acting for offshore platform according to claim 8, its feature exists
In also including solid stake and the method for playing stake:
Gu stake process：
Step C1, first, withdraws the lock pin of the latch gear under the reset condition；Then, described first group
The lowering or hoisting gear of the lowering or hoisting gear of lifting unit and second group of lifting unit by setting it is described under divide a word with a hyphen at the end of a line
Journey is moved down, to drive the spud leg to sink；
Step C2, first, the lock pin of the latch gear inserts the pin-and-hole, while withdrawing first group of lifting list
First bolt axle and second bolt axle of unit, and withdraw second group of lifting unit first bolt axle and
Second bolt axle；Then, the institute of the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
State lowering or hoisting gear by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi；
Step C3, first, first bolt axle of first group of lifting unit and second bolt axle and described second
First bolt axle and second bolt axle of group lifting unit inserts the corresponding pin-and-hole, while withdrawing the lock
The lock pin of pin assembly；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
The lowering or hoisting gear move down stroke and move down as described in setting, to drive the spud leg to sink；
Step C4, constantly circulation execution step C2 and step C3, till the spud leg is fixed on sea bed, are then return to described
Reset condition；
Play stake process：
Step D1, first, withdraws the lock pin of the latch gear under the reset condition；Then, described first group
The lowering or hoisting gear of the lowering or hoisting gear of lifting unit and second group of lifting unit by setting it is described on divide a word with a hyphen at the end of a line
Cheng Shangyi, move on the spud leg with being driven；
Step D2, first, the lock pin of the latch gear inserts the pin-and-hole, while withdrawing first group of lifting list
First bolt axle and second bolt axle of unit, and withdraw second group of lifting unit first bolt axle and
Second bolt axle；Then, the institute of the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
State lowering or hoisting gear to move down stroke and move down as described in setting；
Step D3, first, first bolt axle of first group of lifting unit and second bolt axle and described second
First bolt axle and second bolt axle of group lifting unit inserts the corresponding pin-and-hole, while withdrawing the lock
The lock pin of pin assembly；Then, the lowering or hoisting gear of first group of lifting unit and second group of lifting unit
The lowering or hoisting gear by setting it is described on divide a word with a hyphen at the end of a line Cheng Shangyi, move on the spud leg with being driven；
Step D4, constantly circulation execution step D2 and step D3, till the spud leg is extracted from sea bed, are then return to institute
State reset condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410844.2A CN105967089B (en) | 2016-06-13 | 2016-06-13 | Double-acting continuous lifting system for offshore platform and lifting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410844.2A CN105967089B (en) | 2016-06-13 | 2016-06-13 | Double-acting continuous lifting system for offshore platform and lifting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105967089A CN105967089A (en) | 2016-09-28 |
| CN105967089B true CN105967089B (en) | 2017-05-10 |
Family
ID=57010408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410844.2A Active CN105967089B (en) | 2016-06-13 | 2016-06-13 | Double-acting continuous lifting system for offshore platform and lifting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105967089B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592555B (en) * | 2016-12-26 | 2019-04-23 | 广东精铟海洋工程股份有限公司 | A kind of offshore wind power platform with high-intensitive spud leg |
| CN106759205B (en) * | 2017-01-13 | 2018-12-18 | 广东精铟海洋工程股份有限公司 | A kind of jack up octagon spud leg section and the offshore work platform using it |
| CN107059830B (en) * | 2017-04-27 | 2018-12-04 | 上海衡拓船舶设备有限公司 | For single step into the optimal control method of hydraulic bolt jacking system |
| CN107354929B (en) * | 2017-06-01 | 2019-06-21 | 武汉船用机械有限责任公司 | A kind of lifting device and hoistable platform |
| CN108529514B (en) * | 2018-03-12 | 2019-06-21 | 广东精铟海洋工程股份有限公司 | The continuous jacking system of spiral bolt-type and its elevating method for offshore platform |
| CN108978616B (en) * | 2018-08-24 | 2020-11-03 | 武汉船用机械有限责任公司 | Lifting platform |
| CN109469038A (en) * | 2018-09-27 | 2019-03-15 | 武汉船用机械有限责任公司 | A kind of elevating mechanism |
| CN115162307A (en) * | 2022-08-15 | 2022-10-11 | 湖北海洋工程装备研究院有限公司 | Offshore floating platform pile body lifting system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201442826U (en) * | 2009-05-08 | 2010-04-28 | 张连友 | Hydraulic elevator for offshore floating device |
| CN201785178U (en) * | 2010-07-29 | 2011-04-06 | 上海利策科技有限公司 | Hydraulic climbing type lifting device |
| CN103938603A (en) * | 2014-04-29 | 2014-07-23 | 南通迪施有限公司 | Continuous lifting device and method of installation ship platform |
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
| WO2016036563A1 (en) * | 2014-09-03 | 2016-03-10 | Conocophillips Company | Subsea system delivery to seabed |
-
2016
- 2016-06-13 CN CN201610410844.2A patent/CN105967089B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201442826U (en) * | 2009-05-08 | 2010-04-28 | 张连友 | Hydraulic elevator for offshore floating device |
| CN201785178U (en) * | 2010-07-29 | 2011-04-06 | 上海利策科技有限公司 | Hydraulic climbing type lifting device |
| CN103938603A (en) * | 2014-04-29 | 2014-07-23 | 南通迪施有限公司 | Continuous lifting device and method of installation ship platform |
| WO2016036563A1 (en) * | 2014-09-03 | 2016-03-10 | Conocophillips Company | Subsea system delivery to seabed |
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105967089A (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105967089B (en) | Double-acting continuous lifting system for offshore platform and lifting method thereof | |
| CN105862699B (en) | Pin type continuous lifting system for offshore platform and lifting method thereof | |
| US8425155B2 (en) | Jacking system for a leg of a jack-up platform | |
| CN105804038A (en) | Double-layer dynamic ring beam hydraulic plug pin type cylindrical pile leg continuous lifting device | |
| CN106567321A (en) | Vertical lifting mobile highway bridge | |
| CN201326168Y (en) | Drilling platform moving device for offshore oil drilling platform | |
| CN203270460U (en) | Walking type continuous pushing system | |
| CN201914891U (en) | Two-way telescopic guide way type hydraulic elevator | |
| CN205605141U (en) | Rack and pinion formula drilling string heave compensator | |
| CN204163448U (en) | A kind of multistage synchronous parking apparatus and hydraulic pressure thereof park system | |
| CN203867243U (en) | One-cylinder multi-plate vertically and transversely moving type parking device provided with balancing cable | |
| DK2653615T3 (en) | Lifting system and method for the relative movement of one leg relative to a platform | |
| CN102838051B (en) | Jack capable of fast lifting | |
| CN108529514B (en) | The continuous jacking system of spiral bolt-type and its elevating method for offshore platform | |
| CN110451295A (en) | A kind of large size adjustable jacking slide device and its gliding method | |
| CN203593151U (en) | Hydraulic cylinder-double slide block aquatic locking device | |
| CN205475169U (en) | Quick operating system of platform truss -like heavy load | |
| CN106677149A (en) | Hydraulic continuous lifting system with octagonal pile leg | |
| CN102190072A (en) | Jack-up and self-propelled workboat in intertidal zone | |
| CN205151654U (en) | Emergency braking's panel automatic lifting device | |
| CN205025399U (en) | Floating well drilling SSBOP moves shipping unit | |
| CN203359742U (en) | Locking tank layer-replacing shake station | |
| CN206368356U (en) | Continuous type hydraulic bolt formula jacking system | |
| CN103274335B (en) | Straight top type loading lifting table | |
| CN106639894B (en) | Step-by-step movement self-balancing derrick workover rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double-acting continuous lifting system for offshore platform and lifting method thereof Effective date of registration: 20200320 Granted publication date: 20170510 Pledgee: China Co truction Bank Corp Foshan branch Pledgor: GUANGDONG JINGYIN MACHINERY Co.,Ltd. Registration number: Y2020440000045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |