CN107059829B - A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down - Google Patents
A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down Download PDFInfo
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- CN107059829B CN107059829B CN201710278492.4A CN201710278492A CN107059829B CN 107059829 B CN107059829 B CN 107059829B CN 201710278492 A CN201710278492 A CN 201710278492A CN 107059829 B CN107059829 B CN 107059829B
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- ring beam
- lifting device
- lift cylinder
- hydraulic bolt
- bolt lifting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Structural Engineering (AREA)
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Abstract
The invention discloses hydraulic bolt lifting devices and self-elevating ocean platform that one kind is continuously gone up and down, belong to offshore engineering equipment field.The hydraulic bolt lifting device includes: wedge bracket, the first ring beam, the second ring beam, the first lift cylinder, the first ring beam latch assembly and the second ring beam latch assembly, the hydraulic bolt lifting device further include: the second lift cylinder, second lift cylinder is dual acting lifting ram, through-hole is offered on first ring beam, the second end of the second piston bar of second lift cylinder stretches out the cylinder body and passes through the through-hole to be connect with the first end of first lift cylinder, and the second end of first lift cylinder is fixed on second ring beam.First ring beam can move two pitches, and the first ring beam latch assembly and the second ring beam latch assembly are carrying out movement exchange, so as to improve the working efficiency of hoistable platform.
Description
Technical field
The present invention relates to offshore engineering equipment field, in particular to a kind of hydraulic bolt lifting device continuously gone up and down and from
Lift-type ocean platform.
Background technique
Jack-up unit is a kind of lifting device being widely used in ocean engineering, and hydraulic bolt lifting device is common
Jack-up unit elevating mechanism.
Common hydraulic bolt lifting device mainly includes rotating ring beam, determines ring beam and lift cylinder, rotating ring beam and determines ring beam
It is set on spud leg, one end of lift cylinder is connect with rotating ring beam, and the other end of lift cylinder is connect with ring beam is determined, and determines ring
Beam is mounted on the platform of jack-up unit, determines to be mounted on latch assembly on ring beam and rotating ring beam.Determine ring beam be set to it is dynamic
In the case where the lower section of ring beam, at peaceful, the latch assembly in rotating ring beam is detached from spud leg, and the latch assembly determined in ring beam is inserted
Enter spud leg, lift cylinder stretches out that rotating ring beam is pushed to rise, the pin hole on the latch assembly alignment spud leg in rotating ring beam
And when being inserted into spud leg, determines the latch assembly in ring beam and extract spud leg, lift cylinder, which retracts to pull, determines ring beam rising, and then makes
It must determine ring beam band moving platform to rise.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Every time when lift cylinder goes up and down a pitch, the insertion of rotating ring beam and the latch assembly determined on ring beam will be passed through
With the exchange of extraction, carried out again after lift cylinder is retracted rotating ring beam and determine latch assembly on ring beam into and out move
It just can be carried out lifting action next time after exchanging, under this makes the working efficiency of hoistable platform at a fairly low.
Summary of the invention
In order to solve the problems, such as that the working efficiency for going up and down ocean platform in the prior art is at a fairly low lower, the embodiment of the present invention is mentioned
A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down is supplied.The technical solution is as follows:
On the one hand, the embodiment of the invention provides the hydraulic bolt lifting device that one kind is continuously gone up and down, the hydraulic bolts
Lifting device includes: wedge bracket, the first ring beam, the second ring beam, the first lift cylinder, the first ring beam latch assembly and the second ring beam
Latch assembly, first ring beam and second ring beam are arranged in the wedge bracket and coaxially arranged, and described first
Ring beam latch assembly is mounted on first ring beam, and the second ring beam latch assembly is mounted on second ring beam.
The hydraulic bolt lifting device further include: the second lift cylinder, second lift cylinder are double acting promotion
Oil cylinder, second lift cylinder include cylinder body, piston, First piston bar and second piston bar, and the piston is located at the cylinder
In vivo and the cylinder body is divided into the first rod chamber and the second rod chamber, the First piston bar is located at first rod chamber
Interior, the first end of the First piston bar is fixed on the piston, and the second end of the First piston bar stretches out the cylinder body
It is mounted on the wedge bracket, the second piston bar is located in second rod chamber, the first end of the second piston bar
It is fixed on the piston, the cylinder body of second lift cylinder is fixed on first ring beam, is opened on first ring beam
Equipped with through-hole, the second end of the second piston bar of second lift cylinder stretch out the cylinder body and pass through the through-hole with it is described
The first end of first lift cylinder connects, and the second end of first lift cylinder is fixed on second ring beam.
Specifically, the hydraulic bolt lifting device further includes positioning guiding plate, and one end of the positioning guiding plate is fixed
On the wedge bracket, the first pilot hole is offered on first ring beam, the other end of the positioning guiding plate is slideably
It is arranged in first pilot hole.
Further, the hydraulic bolt lifting device further includes guide pad, and the guide pad is fixed on first ring
Liang Shang, the position that the positioning guiding plate is corresponded on the guide pad offer the second guiding passed through for the positioning guiding plate
Hole, the positioning guiding plate other end are slidably disposed in second pilot hole.
Further, the hydraulic bolt lifting device further include: locking device, the locking device include lock shaft and
The quantity of locking cylinder, the guide pad and the positioning guiding plate is consistent with the quantity of the locking device, the lock shaft
It is coaxially mounted to the movable end of the locking cylinder, multiple first positioning holes are offered on the positioning guiding plate, it is the multiple
First positioning hole is arranged along the centerline direction of first ring beam, is offered and the first positioning hole phase on the guide pad
The second location hole of cooperation, the fixing end of the locking cylinder is fixed on the guide pad, and the lock shaft is slideably
It is arranged in the second location hole.
Further, first ring beam and second ring beam are the ring beam that outer profile is Fang Huan.
Further, the first ring beam latch assembly is four, and four the first ring beam latch assemblies are located at
On the center on four sides of first ring beam, opened up on first ring beam there are four the through-hole, four through-holes two
Two be arranged in the first of first ring beam while and when second on, and described first while and it is described second while be first ring beam
Two positioned opposite two sides, first ring beam it is same on one side on two through-holes be arranged in described first
The two sides of ring beam latch assembly, second lift cylinder are four, and four second lift cylinders are each passed through corresponding
Four through-holes.
Further, the positioning guiding plate, the guide pad and the locking device are four, four described first
Pilot hole be arranged in the third on first ring beam while and when the 4th on, and third while and the 4th while be first ring
Two sides positioned opposite on beam, the third are two sides being adjacently positioned on first ring beam while with described first,
First ring beam it is same on one side on two first pilot holes be symmetrically arranged at the first ring beam latch assembly
Two sides.
Specifically, mounting plate, the second end of the First piston bar and the second piston are installed on the wedge bracket
The first lifting lug is mounted in the second end of bar, the first lifting lug and the mounting plate of the second end of the First piston bar pass through
It is hinged to connect pin shaft, the second lifting lug, the second end of the second piston bar are installed in the first end of first lift cylinder
The first lifting lug with second lifting lug to connect pin shaft by oil cylinder hinged.
Specifically, the radial direction on the cylinder body of second lift cylinder along the piston of second lift cylinder is fixed
There is connecting flange, the connecting flange is arranged on first ring beam, and the connecting flange is bolted on described
On one ring beam.
On the other hand, the embodiment of the invention provides a kind of self-elevating ocean platform, the self-elevating ocean platform includes
Hydraulic bolt lifting device, platform and spud leg, on the platform, the spud leg passes through for the hydraulic bolt lifting device installation
On the platform, the hydraulic bolt lifting device is above-mentioned continuous liter for the wedge bracket inserting of the hydraulic bolt lifting device
The hydraulic bolt lifting device of drop.
Technical solution provided in an embodiment of the present invention has the benefit that hydraulic bolt provided in an embodiment of the present invention
Lifting device, by taking peaceful operation as an example, when hydraulic bolt lifting device needs peaceful operation, the first lift cylinder and the
Two lift cylinders start, and the piston rod of the first lift cylinder carries out extending action, the first rod chamber of the second lift cylinder into
Oil is retracted to First piston bar gradually in cylinder body, and second piston bar gradually stretches out cylinder body, due to the second of the second lift cylinder
The second end of piston rod is connect with the first end of the first lift cylinder, so the piston rod stretching of the first lift cylinder will drive the
Two lift cylinders are whole to stretch out direction movement to the piston rod of the first lift cylinder, and finally wedge bracket is driven to move together, and
Wedge bracket is fixed together with platform again, so that platform is made wedge bracket to be followed to move together, and second lift cylinder itself
The cylinder body that movement will drive the second lift cylinder moves together, meanwhile, the cylinder body of the second lift cylinder is connect with the first ring beam, is made
The cylinder body of the second lift cylinder of cylinder body of the second lift cylinder can be followed by obtaining the first ring beam, in this way, when wedge bracket moves one
When pitch, the first ring beam can move two pitches, and then the first ring beam latch assembly is inserted into corresponding pin hole, and the second ring beam is inserted
Pin assemblies extract corresponding pin hole, this makes the first ring beam that can move two pitches, the first ring beam latch assembly and the second ring beam
Latch assembly is carrying out movement exchange, so as to improve the working efficiency of hoistable platform.The embodiment of the invention also provides one kind
Self-elevating ocean platform, the self-elevating ocean platform include hydraulic bolt lifting device, platform and spud leg, hydraulic bolt lifting dress
It is set to the hydraulic bolt lifting device provided in an embodiment of the present invention continuously gone up and down, this makes the lifting of the self-elevating ocean platform
Efficiency is improved.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram for the hydraulic bolt lifting device that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram for the second lift cylinder that the embodiment of the present invention one provides；
Fig. 3 is the left side schematic cross-sectional view for Fig. 2 that the embodiment of the present invention one provides；
Fig. 4 is the A-A direction view for Fig. 1 that the embodiment of the present invention one provides；
Fig. 5 is the B-B direction view for Fig. 1 that the embodiment of the present invention one provides；
Fig. 6 is the structural schematic diagram of the hydraulic bolt lifting device for another working condition that the embodiment of the present invention one provides；
Fig. 7 is the structural schematic diagram of self-elevating ocean platform provided by Embodiment 2 of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiment of the invention provides the hydraulic bolt lifting devices that one kind is continuously gone up and down, as shown in Figure 1, the hydraulic bolt
Lifting device includes: wedge bracket 1, the first ring beam 2, the second ring beam 3, the first lift cylinder 4, the first ring beam latch assembly 5 and
Two ring beam latch assemblies 6, wedge bracket 1 are fixed on the platform b of self-elevating ocean platform, and the spud leg a of self-elevating ocean platform is worn
It crosses wedge bracket 1 to be inserted on platform b, the first ring beam 2 and the second ring beam 3 are arranged in wedge bracket 1, and the first ring beam 2 and
Two ring beams 3 are coaxially arranged and are set on spud leg a, and the first ring beam latch assembly 5 is mounted on the first ring beam 2 and and spud leg
The pin hole a1 of a is matched, and the second ring beam latch assembly 6 is mounted on the matching of the pin hole a1 on the second ring beam 3 and with spud leg a
It closes.In the present embodiment, wedge bracket 1 can be using on the platform b for being fixed on self-elevating ocean platform by the way of welding.
The hydraulic bolt lifting device further includes the second lift cylinder.Fig. 2 is the second promotion provided in an embodiment of the present invention
The structural schematic diagram of oil cylinder.Fig. 3 is the schematic cross-sectional view of the second lift cylinder provided in an embodiment of the present invention.Such as Fig. 2 and
Shown in Fig. 3, the second lift cylinder 7 is dual acting lifting ram, and the second lift cylinder 7 includes cylinder body 7a, piston 7b, first piston
Bar 7c and second piston bar 7d.Piston 7b is located in cylinder body 7a and cylinder body 7a is divided into the first rod chamber 71a and the second rod chamber
72a.First piston bar 7c is located in the first rod chamber 71a, and the first end of First piston bar 7c is fixed on piston 7b, and first is living
The second end of stopper rod 7c is stretched out cylinder body 7a and is mounted on wedge bracket 1.Second piston bar 7d is located in the second rod chamber 72a, and second
The first end of piston rod 7d is fixed on piston 7b.
Referring again to Fig. 1, the cylinder body 7a of the second lift cylinder 7 is fixed on the first ring beam 2, is offered on the first ring beam 2
Through-hole, the second end of the second piston bar 7d of the second lift cylinder 7 stretch out cylinder body 7a and pass through through-hole and the first lift cylinder 4
First end connection, the second end of the first lift cylinder 4 are fixed on the second ring beam 3.In the present embodiment, the first ring beam 2 is arranged
In the top of the second ring beam 3, the second end of First piston bar 7c stretches out the top that cylinder body 7a is mounted on wedge bracket 1.First is promoted
The first end of oil cylinder 4 is the movable end (one end of piston rod) of the first lift cylinder 4, and the second end of the first lift cylinder 4 is the
The fixing end (one end of cylinder body) of one lift cylinder 4.
Specifically, mounting plate 12 is installed on wedge bracket 1, the of the second end of First piston bar 7c and second piston bar 7d
The first lifting lug 13 is mounted on two ends, the first lifting lug 13 of the second end of First piston bar 7c passes through connecting pin with mounting plate 12
Axis 14 is hinged.Second lifting lug 15 is installed, the first of the second end of second piston bar 7d hangs in the first end of first lift cylinder 4
Ear 13 connect pin shaft 16 hingedly by oil cylinder with the second lifting lug 15.Hinged is to be detachably connected, and the second lift cylinder 7 is at work
It needs to bear very big active force, this makes the second lift cylinder 7 be easy to damage, and passes through connection pin shaft 14 and oil cylinder connecting pin
Axis 16 hingedly can be quickly disassembled the second lift cylinder 7, be conveniently replaceable the second lift cylinder 7.
Specifically, the radial direction on the cylinder body 7a of the second lift cylinder 7 along the piston 7b of the second lift cylinder 7 is fixed with
Connecting flange 17, connecting flange 17 are arranged on the first ring beam 2, and connecting flange 17 is bolted on the first ring beam 2.Its
In, connecting flange 17 can be weldingly fixed on the cylinder body 7a of the second lift cylinder 7.Oil is promoted by second by connecting flange 17
Cylinder 7 is fixed on the first ring beam 2, be can be realized the fast quick-detach of the second lift cylinder 7 and the first ring beam 2, is conveniently replaceable second
Lift cylinder 7.
Specifically, the first ring beam latch assembly 5 and the second ring beam latch assembly 6 include bolt and plugging pin oil cylinder, bolt
Coaxially connected with plugging pin oil cylinder, plugging pin oil cylinder is fixedly mounted on the first ring beam 2 or the second ring beam 3, and bolt is slidably mounted
On the first ring beam 2 or the second ring beam 3.
Specifically, which can also include positioning guiding plate 8, and one end of positioning guiding plate 8 is fixed
On wedge bracket 1, the first pilot hole 201a is offered on the first ring beam 2, the other end of positioning guiding plate 8 is slidably disposed at
In first pilot hole 201a.In the long-term use process of hydraulic bolt lifting device, the first ring beam 2 is easy to occur with spud leg a
Offset, to prevent the first ring beam latch assembly 5 from being smoothly inserted into the pin hole a1 of spud leg a, to be jack up ocean
Platform safety brings hidden danger, in the present embodiment, by the way that positioning guiding plate 8 is arranged, the first ring beam 2 can be made along positioning guiding plate
8 is mobile, and the first ring beam 2 is avoided to shift, to guarantee that the first ring beam latch assembly 5 can be smoothly inserted into inserting for spud leg a
In pin hole a1, and then hydraulic bolt lifting device safety is improved, in the present embodiment, positioning guiding plate 8 can be plate
Structure, and be fixed on wedge bracket 1 by welding.
Further, which can also include guide pad 9, and guide pad 9 is fixed on the first ring beam 2
On, the position that positioning guiding plate 8 is corresponded on guide pad 9 offers the second pilot hole passed through for positioning guiding plate 8, positioning and guiding
8 other end of plate is slidably disposed in the second pilot hole.In the present embodiment, which can be square structure part, should
Structure can be improved the stress-bearing capability of guide pad 9.When positioning guiding plate 8 realizes the function of positioning and guiding, the first pilot hole
201a needs to bear the power that the offset of the first ring beam 2 generates, and usual first ring beam 2 is opening up the stress at the first pilot hole 201a
Ability is poor, this prevents the first ring beam 2 from bearing biggish active force, therefore, setting guide pad 9 can share a part by
The power that the offset of first ring beam 2 generates avoids the first ring beam 2 because stress is excessive to improve the stress-bearing capability of the first ring beam 2
And be damaged, and then improve the service life of hydraulic bolt lifting device, in the present embodiment, guide pad 9 can be vertical
Square three-dimensional-structure, in addition, can be set respectively on the top and bottom of the first ring beam 2 to improve the guide function of guide pad 9
Guide pad 9 is set, two guide pads 9 can be further ensured that the moving line of positioning guiding plate 8, to further avoid the first ring
Beam 2 shifts, and in reality, guide pad 9 can be fixed on the first ring beam 2 by the way of welding.
In the present embodiment, positioning guiding plate 8 and guide pad 9 all can be 4.
Further, Fig. 4 is the A-A direction view of Fig. 1.As shown in figure 4, the hydraulic bolt lifting device further include: locking
Device, the locking device include lock shaft 10 and locking cylinder 11, the quantity and guide pad 9 and positioning guiding plate 8 of locking device
Quantity it is consistent, and be 4, lock shaft 10 is coaxially mounted to the movable end of locking cylinder 11, offers on positioning guiding plate 8
Multiple first positioning hole 8a, multiple first positioning hole 8a are arranged along the centerline direction of the first ring beam 2, are offered on guide pad 9
The second location hole 9a matched with first positioning hole 8a, the fixing end of locking cylinder 11 is fixed on guide pad 9, and lock shaft
10 are slidably disposed in second location hole 9a.In addition, in other embodiments, the quantity of the locking device can be with guiding
The quantity of block 9 and positioning guiding plate 8 is inconsistent, needs hydraulic bolt lifting device to have for example, working as environment locating for ocean platform
When having good guide function, guide pad 9 and positioning guiding plate 8 can be respectively provided with 6, locking device is fixed therein four
On guide pad 9.
In the present embodiment, which can lock the locking that device realizes hydraulic bolt lifting device
Function, specifically, in the normal lifting process of self-elevating ocean platform, the movable end of locking cylinder 11 is retracted, and drives locking
Axis 10 is extracted out from the second location hole 9a of guide pad 9, when self-elevating ocean platform is after being elevated to certain altitude, is needed to stake
When leg a and the first ring beam 2 are locked, the movable end of locking cylinder 11 can be stretched out, drive lock shaft 10 from guide pad 9
It is stretched out in second location hole 9a, and passes through the first positioning hole 8a of positioning guiding plate 8, to realize spud leg a and the first ring beam 2
Locking, and then realize the locking of platform b and spud leg a.The locking device can be the pressure of the support loads of the second lift cylinder 7
It lays down, to improve the service life of the hydraulic bolt lifting device.Meanwhile locking device is mechanically locked and is put down
Platform, so that the locking of platform is relatively reliable, the second lift cylinder 7 after laying down pressure can be avoided to be caused to press because stress is excessive
The leakage of power oil so as to cause platform decline, and then ensure that the safety and reliability of platform.When realization, first positioning hole 8a
Diameter it is identical as the diameter of second location hole 9a.In the present embodiment, guide pad 9, which not only has, improves the first ring
The function of 2 stress-bearing capability of beam also has and provides the function of installation site for locking cylinder 11.
In addition, this, which will lead to, is raised to certain height in platform b because the seabottom geology condition under each spud leg a can be variant
After degree, the abswolute level of the position each spud leg a corresponding platform b height is inconsistent, has and certain inclines so as to cause platform b
Tiltedly, therefore on positioning guiding plate 8 multiple first positioning hole 8a are provided with, when the abswolute level height of the corresponding platform b of some spud leg a
When the abswolute level height of platform b corresponding lower than other spud leg a, it is only necessary to start the second lift cylinder 7, and be mentioned by second
Oil-lifting jar 7 drives wedge bracket 1 to be lifted up certain height, and the second location hole 9a of guide pad 9 is made to be moved to positioning guiding plate 8
Next first positioning hole 8a corresponding position after locked again by locking device, this make the hydraulic bolt go up and down
Device has being capable of levelling function.
Further, Fig. 5 is the B-B direction view of Fig. 1, as shown in Figure 4 and Figure 5, the first ring beam 2 and the second ring beam 3
Think that outer profile is the ring beam of Fang Huan.The ring beam of Fang Huan has better stress-bearing capability compared to the ring beam of annular.In this implementation
In example, the structural member that the first ring beam 2 and the second ring beam 3 all can be welded by plurality of steel plates can be improved first in this way
The stress-bearing capability of ring beam 2 and the second ring beam 3.In other embodiments, first ring beam 2 and the second ring beam 3 can also be annulus
Shape ring beam.
Further, referring again to Fig. 4, the first ring beam latch assembly 5 can be four, four the first ring beam latch assemblies
5 are located on the center on four sides of the first ring beam 2, are opened up on the first ring beam 2 there are four through-hole, four through-holes are arranged two-by-two
The first of the first ring beam 2 in 2a and second while 2b on, and first in 2a and second 2b be two of the first ring beam 2 opposite cloth
Two sides set, the first ring beam 2 it is same on one side on two through-holes be arranged in the two sides of the first ring beam latch assembly 5,
Two lift cylinders 7 are four, and four the second lift cylinders 7 are each passed through corresponding four through-holes.It is arranged so through-hole and first
Ring beam latch assembly 5 can guarantee the stress balance of the first ring beam 2, to improve the safety of hydraulic bolt lifting device.
It should be noted that the quantity of the second lift cylinder 7 provided in this embodiment is four, but in other embodiments, it is hydraulic
Bolt lifting device can also include the second lift cylinder 7 of other quantity, such as six or eight, and the present invention does not limit this
System.Correspondingly, the quantity of the first lift cylinder 4 is consistent with the quantity of the second lift cylinder 7.
Further, positioning guiding plate 8, guide pad 9 and locking device all can be four, four the first pilot hole 201a
The third on the first ring beam 2 is arranged in 2c and the 4th on 2d, and third 2d in 2c and the 4th is on the first ring beam 2
Two sides positioned opposite, third 2a in 2c and first is two sides being adjacently positioned on the first ring beam 2, the first ring beam 2
The two sides of the first ring beam latch assembly 5 are symmetrically arranged at two the first pilot hole 201a on one side.By locking device
Be arranged on two different sides of the first ring beam 2 from the first lift cylinder 4, in this way can reasonable distribution act on the first ring beam
Power on 2, so that the stress equalization of the first ring beam 2, to improve the safety of hydraulic bolt lifting device.In addition, at it
In its embodiment, the positioning guiding plate 8, guide pad 9 and locking device can also be set as eight (in figure according to the case where stress
Do not show), and the first pilot hole 201a can be arranged symmetrically on four sides of the first ring beam 2.
It following is a brief introduction of the course of work of hydraulic bolt lifting device provided in an embodiment of the present invention:
As shown in Figure 1, the hydraulic bolt lifting device in the figure is in original state, the first ring beam latch assembly 5 at this time
The pin hole a1 of corresponding spud leg a is extracted, the second ring beam latch assembly 6 is inserted into the pin hole a1 of corresponding spud leg a, and first promotes oil
Cylinder 4 is in retracted state, and the First piston bar 7c of the second lift cylinder 7 is in stretching state.
By taking peaceful b is operated as an example, simply introduce the course of work of the hydraulic bolt lifting device: first promotes oil
Cylinder 4 and the second lift cylinder 7 start, and the piston rod of the first lift cylinder 4 carries out extending action, and the of the second lift cylinder 7
One rod chamber 71a oil inlet, is retracted to First piston bar 7c gradually in cylinder body 7a, and second piston bar 7d gradually stretches out cylinder body 7a,
Since the second end of the second piston bar 7d of the second lift cylinder 7 is connect with the first end of the first lift cylinder 4, so first mentions
It is whole to the piston rod of the first lift cylinder 4 stretching direction shifting that the piston rod stretching of oil-lifting jar 4 will drive the second lift cylinder 7
It is dynamic, and finally wedge bracket 1 is driven to move together, and wedge bracket 1 and platform b are fixed together, so that it is solid to follow platform b can
Pile frame 1 moves together.And the cylinder body 7a that the movement of the second lift cylinder 7 itself will drive the second lift cylinder 7 is moved together, together
When, the cylinder body 7a of the second lift cylinder 7 is connect with the first ring beam 2, and the first ring beam 2 is enabled to follow the second lift cylinder 7
The cylinder body 7a of the second lift cylinder of cylinder body 7a 7, in this way, when wedge bracket 1 moves a pitch (between two adjacent pin hole a1
Distance is used as a pitch) when, the moving distance of the first ring beam 2 is distance (one that the piston rod of the first lift cylinder 4 stretches out
Pitch) the+the second lift cylinder 7 second piston bar 7d stretch out distance (pitch), this enables the first ring beam 2 to move
Two pitches, are finally reached state as shown in FIG. 6, and Fig. 6 is that the hydraulic of another working condition provided in an embodiment of the present invention is inserted
Sell the structural schematic diagram of lifting device.Then the first ring beam latch assembly 5 is inserted into corresponding pin hole a1, the second ring beam bolt group
Part 6 extracts corresponding pin hole a1, and the second rod chamber 72a oil inlet of the second lift cylinder 7 makes First piston bar 7c and second piston
Bar 7d mass motion, and wedge bracket 1 is driven to move together, at the same time, the first lift cylinder 4 does retracting motion, and first is promoted
The piston rod of oil cylinder 4 is received to the cylinder interior of the first lift cylinder 4, then drives the second ring beam 3 to move together, finally work as wedge bracket
1 when moving upwards a pitch, and the second ring beam 3 can move two pitches, and return to state as shown in Figure 1, repeatedly, reach
To the purpose of continuous peaceful b.It drops platform and lifting spud leg is similar to this principle, do not repeating herein.
Hydraulic bolt lifting device provided in an embodiment of the present invention is filled by taking peaceful operation as an example when hydraulic bolt is gone up and down
When setting peaceful operation of needs, the first lift cylinder and the second lift cylinder start, and the piston rod of the first lift cylinder carries out
Extending action, the first rod chamber oil inlet of the second lift cylinder, is retracted to First piston bar gradually in cylinder body, second piston bar
Cylinder body is gradually stretched out, since the second end of the second piston bar of the second lift cylinder is connect with the first end of the first lift cylinder,
So the piston rod stretching of the first lift cylinder will drive, the second lift cylinder is whole to be stretched out to the piston rod of the first lift cylinder
Direction is mobile, and finally wedge bracket is driven to move together, and wedge bracket and platform are fixed together, to make platform that can follow
Wedge bracket moves together, and the cylinder body that the movement of second lift cylinder itself will drive the second lift cylinder moves together, meanwhile,
The cylinder body of second lift cylinder is connect with the first ring beam, and the cylinder body second for enabling the first ring beam to follow the second lift cylinder mentions
The cylinder body of oil-lifting jar, in this way, the first ring beam can move two pitches, then the first ring beam when wedge bracket moves a pitch
Latch assembly is inserted into corresponding pin hole, and the second ring beam latch assembly extracts corresponding pin hole, this move the first ring beam can
Two pitches, the first ring beam latch assembly and the second ring beam latch assembly are carrying out movement exchange, so as to improve hoistable platform
Working efficiency.
Embodiment two
The embodiment of the invention provides a kind of self-elevating ocean platforms, as shown in fig. 7, the self-elevating ocean platform includes liquid
Pressure bolt lifting device, platform b and spud leg a, hydraulic bolt lifting device are mounted on platform b, and spud leg a is inserted across wedge bracket 1
On platform b, hydraulic bolt lifting device is the hydraulic bolt lifting device continuously gone up and down that embodiment one provides.
The embodiment of the invention also provides a kind of self-elevating ocean platform, which includes hydraulic bolt liter
Falling unit, platform and spud leg, hydraulic bolt lifting device are the hydraulic bolt lifting provided in an embodiment of the present invention continuously gone up and down
Device, this is improved the lifting efficiency of the self-elevating ocean platform.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. the hydraulic bolt lifting device that one kind is continuously gone up and down, the hydraulic bolt lifting device includes: wedge bracket, the first ring
Beam, the second ring beam, the first lift cylinder, the first ring beam latch assembly and the second ring beam latch assembly, first ring beam and institute
It states the second ring beam to be arranged in the wedge bracket and coaxially arranged, the first ring beam latch assembly is mounted on described first
On ring beam, the second ring beam latch assembly is mounted on second ring beam,
It is characterized in that, the hydraulic bolt lifting device further include: the second lift cylinder, second lift cylinder are double cropping
With lift cylinder, second lift cylinder includes cylinder body, piston, First piston bar and second piston bar, and the piston is located at
It is divided into the first rod chamber and the second rod chamber in the cylinder body and by the cylinder body, the First piston bar, which is located at described first, to be had
In rod cavity, the first end of the First piston bar is fixed on the piston, described in the second end stretching of the First piston bar
Cylinder body is mounted on the wedge bracket, and the second piston bar is located in second rod chamber, and the of the second piston bar
One end is fixed on the piston, and the cylinder body of second lift cylinder is fixed on first ring beam, first ring beam
On offer through-hole, the second end of the second piston bar of second lift cylinder stretch out the cylinder body and pass through the through-hole with
The first end of first lift cylinder connects, and the second end of first lift cylinder is fixed on second ring beam.
2. hydraulic bolt lifting device according to claim 1, which is characterized in that the hydraulic bolt lifting device also wraps
Positioning guiding plate is included, one end of the positioning guiding plate is fixed on the wedge bracket, offers first on first ring beam
Pilot hole, the other end of the positioning guiding plate are slidably disposed in first pilot hole.
3. hydraulic bolt lifting device according to claim 2, which is characterized in that the hydraulic bolt lifting device also wraps
Guide pad is included, the guide pad is fixed on first ring beam, and the position of the positioning guiding plate is corresponded on the guide pad
The second pilot hole passed through for the positioning guiding plate is offered, the positioning guiding plate other end is slidably disposed at described
In second pilot hole.
4. hydraulic bolt lifting device according to claim 3, which is characterized in that the hydraulic bolt lifting device also wraps
Include: locking device, the locking device include lock shaft and locking cylinder, the quantity of the guide pad and the positioning guiding plate
Consistent with the quantity of the locking device, the lock shaft is coaxially mounted to the movable end of the locking cylinder, and the positioning is led
Multiple first positioning holes are offered on plate, the multiple first positioning hole is arranged along the centerline direction of first ring beam,
The second location hole matched with the first positioning hole is offered on the guide pad, the fixing end of the locking cylinder is fixed
On the guide pad, and the lock shaft is slidably disposed in the second location hole.
5. hydraulic bolt lifting device according to claim 4, which is characterized in that first ring beam and second ring
Beam is the ring beam that outer profile is Fang Huan.
6. hydraulic bolt lifting device according to claim 5, which is characterized in that the first ring beam latch assembly is four
It is a, on the center on four sides that four the first ring beam latch assemblies are located at first ring beam, first ring beam
On open up there are four the through-hole, four through-holes be arranged in two-by-two the first of first ring beam while and when second on, and
Described first while and it is described second while be first ring beam two positioned opposite two sides, first ring beam it is same
Two through-holes on side are arranged in the two sides of the first ring beam latch assembly, and second lift cylinder is four
A, four second lift cylinders are each passed through corresponding four through-holes.
7. hydraulic bolt lifting device according to claim 6, which is characterized in that the positioning guiding plate, the guiding
Block and the locking device are four, four first pilot holes be arranged in third side on first ring beam and
On 4th side, and third while and the 4th while be two sides positioned opposite on first ring beam, the third side and described the
Be on one side two sides being adjacently positioned on first ring beam, first ring beam it is same on one side on two first guiding
Hole is symmetrically arranged at the two sides of the first ring beam latch assembly.
8. hydraulic bolt lifting device according to claim 1, which is characterized in that be equipped with installation on the wedge bracket
It is mounted on the first lifting lug in the second end of plate, the second end of the First piston bar and the second piston bar, described first
First lifting lug of the second end of piston rod and the mounting plate are hinged by connection pin shaft, the first end of first lift cylinder
On the second lifting lug is installed, the first lifting lug of the second end of the second piston bar and second lifting lug pass through oil cylinder connecting pin
Axis is hinged.
9. hydraulic bolt lifting device according to claim 1, which is characterized in that on the cylinder body of second lift cylinder
It is fixed with connecting flange along the radial direction of the piston of second lift cylinder, the connecting flange is arranged in first ring
Liang Shang, the connecting flange are bolted on first ring beam.
10. a kind of self-elevating ocean platform, the self-elevating ocean platform includes hydraulic bolt lifting device, platform and spud leg,
On the platform, the spud leg passes through the wedge bracket of the hydraulic bolt lifting device for the hydraulic bolt lifting device installation
Inserting is on the platform, which is characterized in that the hydraulic bolt lifting device is such as the described in any item companies of claim 1-9
The hydraulic bolt lifting device of drop of continuing rising.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278492.4A CN107059829B (en) | 2017-04-25 | 2017-04-25 | A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278492.4A CN107059829B (en) | 2017-04-25 | 2017-04-25 | A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down |
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| CN107059829B true CN107059829B (en) | 2019-06-21 |
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| CN201710278492.4A Active CN107059829B (en) | 2017-04-25 | 2017-04-25 | A kind of hydraulic bolt lifting device and self-elevating ocean platform continuously gone up and down |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104090A (en) * | 2017-11-03 | 2018-06-01 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt lifting gear |
| CN109056683B (en) * | 2018-07-16 | 2020-10-09 | 武汉船用机械有限责任公司 | Seawater lifting device |
| CN109722991A (en) * | 2018-11-29 | 2019-05-07 | 唐峰 | A kind of self-balancing type integral assembling Construction of Steel Structure platform waterborne and its erection method |
| CN109868802B (en) * | 2019-01-23 | 2021-06-29 | 武汉船用机械有限责任公司 | Lifting device for truss pile leg and ocean platform |
| CN110700224A (en) * | 2019-10-23 | 2020-01-17 | 西安石油大学 | Hydraulic bolt type locking device for wind power installation vessel |
| CN112096685A (en) * | 2020-08-06 | 2020-12-18 | 宝钢特钢韶关有限公司 | Bolt jar and straightener |
| CN111997028A (en) * | 2020-08-14 | 2020-11-27 | 中集海洋工程研究院有限公司 | Self-elevating platform and lifting system and lifting method thereof |
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| CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
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| JPH04169340A (en) * | 1990-10-31 | 1992-06-17 | Nippon Rifuto Kk | Elevating device |
| CN104110020A (en) * | 2014-06-18 | 2014-10-22 | 武汉船用机械有限责任公司 | Self-elevating ocean platform hydraulic plug lifting system |
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| CN107059829A (en) | 2017-08-18 |
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