CN107059828B - A kind of detachable spud leg - Google Patents
A kind of detachable spud leg Download PDFInfo
- Publication number
- CN107059828B CN107059828B CN201710223440.7A CN201710223440A CN107059828B CN 107059828 B CN107059828 B CN 107059828B CN 201710223440 A CN201710223440 A CN 201710223440A CN 107059828 B CN107059828 B CN 107059828B
- Authority
- CN
- China
- Prior art keywords
- rack gear
- spud leg
- clamping plate
- pipe
- semifocal chord
- 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
-
- 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
- E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions
-
- 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
- E02B2017/0056—Platforms with supporting legs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of detachable spud legs.The detachable spud leg includes spud leg unit, spud leg unit includes: the first spud leg unit and the second spud leg unit, first spud leg unit includes: the first strut of more first rack gear string pipes of more first rack gear string pipes and connection, every first rack gear string pipe includes the first semifocal chord pipe and the second semifocal chord pipe of the first rack gear with the two sides for being arranged in the first rack gear, second spud leg unit includes: the first strut of more second rack gear string pipes of more second rack gear string pipes and connection, every second rack gear string pipe includes the third semifocal chord pipe and the 4th semifocal chord pipe of the second rack gear with the two sides for being arranged in the second rack gear, and third semifocal chord pipe is corresponding with the first semifocal chord pipe is arranged in the ipsilateral of the first rack gear.Detachable spud leg can be effective against the first spud leg unit and the existing shearing of the second spud leg unit by the way that shearing-resistance blocks are arranged, and first clamping plate and second clamping plate pass through four wedge blocks respectively and clamp shearing-resistance blocks, to ensure that the stress-bearing capability of detachable spud leg.
Description
Technical field
The present invention relates to the rack-and-pinion elevating mechanism field of self-elevating ocean platform, in particular to a kind of detachable stake
Leg.
Background technique
The elevating mechanism of self-elevating ocean platform includes bolt-type elevating mechanism and rack-and-pinion elevating mechanism.Spud leg is certainly
The sole support of operation on lift-type ocean platform, spud leg are inserted into seabed in ocean operation, are to guarantee self-elevating ocean platform peace
Full key.
With the diversified development of self-elevating ocean platform service, either in towage, floading condition lifting or through bridge
Etc. in operating conditions, be required to spud leg and be able to carry out disassembly, to adapt to the demand of above-mentioned operating condition.The stake of existing bolt-type elevating mechanism
Leg is split as multistage spud leg unit when designing detachable structure, by spud leg, generallys use between two sections of adjacent spud leg units
Flange and the mode of bolt group are attached.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Connection type between existing spud leg unit is only applicable to the spud leg of bolt-type elevating mechanism, due to rack-and-pinion
Rack gear is provided on the spud leg of elevating mechanism, therefore, such connection type is not particularly suited for the stake of rack-and-pinion elevating mechanism
Leg is attached even with flange and the mode of bolt group, as the connection at rack gear is built on the sand, and reduces jack up
The safety of ocean platform.This prevents the spud leg of rack lifting mechanism from dismantling, thus limiting gear rack lifting mechanism
Application range.
Summary of the invention
Spud leg in order to solve the problems, such as rack lifting mechanism in the prior art is non-detachable, the embodiment of the invention provides
A kind of detachable spud leg.The technical solution is as follows:
The embodiment of the invention provides a kind of detachable spud leg, the detachable spud leg includes at least two sections of spud leg lists
Member, at least two sections of spud leg units include: the first spud leg unit and the second spud leg unit, the first spud leg unit and described
Second spud leg unit is two sections of spud leg units of arbitrary neighborhood in the spud leg unit, and the first spud leg unit includes: more
First rack gear string pipe and the first strut for connecting the more first rack gear string pipes, the every first rack gear string pipe include first
The the first semifocal chord pipe and the second semifocal chord pipe of rack gear and the two sides for being arranged in first rack gear, the second spud leg unit include:
More second rack gear string pipes and the second strut for connecting the more second rack gear string pipes, the every second rack gear string pipe include
Second rack gear and be arranged in second rack gear two sides third semifocal chord pipe and the 4th semifocal chord pipe, and the third semifocal chord pipe with
First semifocal chord pipe correspondence is arranged in the ipsilateral of first rack gear, and the is offered on the middle part of the end face of first rack gear
One notch offers the second notch, first notch and the second notch phase on the middle part of the end face of second rack gear
To arrangement.
The detachable spud leg further includes the connection list for connecting the first spud leg unit and the second spud leg unit
Member, the connection unit include: shearing-resistance blocks, first clamping plate, second clamping plate, the first locking member, the second locking member, the first wedge block
With the second wedge block, the shearing-resistance blocks are installed in first notch and second notch, and the first of the first clamping plate
End is arranged in the cavity that the first semifocal chord pipe and first rack gear surround, and the second end of the first clamping plate is arranged in institute
It states in the cavity that third semifocal chord pipe and second rack gear surround, and the first end of the first clamping plate and the first clamping plate
Second end is the opposite both ends of the first clamping plate, and the first end of the second clamping plate is arranged in the second semifocal chord pipe and described
In the cavity that first rack gear surrounds, the second end of the second clamping plate is arranged in the 4th semifocal chord pipe and second rack gear encloses
At cavity in, and the first end of the second clamping plate and the second end of the second clamping plate are two that the second clamping plate is opposite
It holds, the position that the shearing-resistance blocks are corresponded in the first clamping plate offers the first groove, and first wedge block is arranged in described
It in first groove and is fixed on first rack gear or second rack gear, the shearing-resistance blocks is corresponded in the second clamping plate
Position offers the second groove, and second wedge block is arranged in second groove and is fixed on first rack gear or institute
It states on the second rack gear.
The top sidewall of first groove is provided with the first inclined-plane, is provided on first wedge block and described first
The second inclined-plane that inclined-plane matches, the top sidewall of second groove are provided with third inclined-plane, set on second wedge block
It is equipped with the 4th inclined-plane matched with second inclined-plane.
First locking member passes through the first semifocal chord pipe, the first clamping plate, first rack gear, second folder
Plate and the third semifocal chord pipe, and by the first semifocal chord pipe, the first clamping plate, first rack gear, the second clamping plate
It is locked with the third semifocal chord pipe.
Second locking member passes through the second semifocal chord pipe, the first clamping plate, second rack gear, second folder
Plate is connect with the 4th semifocal chord pipe, and by the second semifocal chord pipe, the first clamping plate, second rack gear, described second
Clamping plate and the 4th semifocal chord pipe are locked.
Specifically, the angle of the shaft section of first inclined-plane and the first rack gear string pipe is 6~30 °, the third inclined-plane
Angle with the shaft section of the first rack gear string pipe is 6~30 °.
Further, the angle of the shaft section of first inclined-plane and the first rack gear string pipe is 11 °, the third inclined-plane with
The angle of the shaft section of the first rack gear string pipe is 11 °.
Specifically, the outer of the first end of the first clamping plate is provided with the first chamfering, the first end of the second clamping plate
Outer be provided with the second chamfering.
Specifically, first notch and second notch are semicircle, and the shearing-resistance blocks are and the semicircle
The cylinder type to match.
Specifically, first notch and second notch are rectangle, and the shearing-resistance blocks are and the rectangle phase
The cubic type matched.
Specifically, first locking member and second locking member are stud.
Specifically, first wedge block includes the first upper block and the first lower block, first upper block
It is arranged side by side with first lower block along the direction of the axis of the first rack gear string pipe, second inclined-plane is arranged in institute
It states on the first upper block, first lower block is cubic type, and first upper block is fixed on first tooth
On item, first lower block is fixed on second rack gear；Second wedge block includes the second upper block and the
Two lower blocks, second upper block and second lower block along the direction of the axis of the first rack gear string pipe simultaneously
Arrangement is set, and the 4th inclined-plane is arranged on second upper block, and second lower block is cubic type, and described the
Two upper blocks are fixed on first rack gear, and second lower block is fixed on second rack gear.
Further, the first locking member punishment is corresponded on the outer wall of the first semifocal chord pipe and the second semifocal chord pipe
It is not provided with the first stiffening plate, is corresponded at second locking member on the outer wall of the third semifocal chord pipe and the 4th semifocal chord pipe
It is respectively arranged with the second stiffening plate.
Specifically, the first sealing plate, second semifocal chord are provided between the first semifocal chord pipe and first rack gear
It is provided with the second sealing plate between pipe and first rack gear, the is provided between the third semifocal chord pipe and second rack gear
Three sealing plates are provided with the 4th sealing plate between the 4th semifocal chord pipe and second rack gear.
Technical solution provided in an embodiment of the present invention has the benefit that the embodiment of the invention provides a kind of removable
Formula spud leg is unloaded, by offering the first notch on the end face of the first rack gear, the second notch is offered on the end face of the second rack gear,
It is installed on shearing-resistance blocks in the first notch and the second notch, after rack gear is divided into the first rack gear and the second rack gear, in the first tooth
There can be shearing on the contact surface of item and the second rack gear, shearing-resistance blocks are mounted between the first notch and the second notch and can effectively support
Horizontal shear between anti-first rack gear and the second rack gear, first clamping plate and second clamping plate pass through the first wedge block and second respectively
Wedge block clamps shearing-resistance blocks, so that the first spud leg unit and the second spud leg unit are firmly coupled to each other, to ensure that
The stress-bearing capability of detachable spud leg, meanwhile, inclined-plane is set at the top of the first wedge block and third wedge block, can be protected in this way
Card is able to bear biggish pulling force during detachable spud leg pile pulling, to ensure that the safety of self-elevating ocean platform
Property, expand the application range of rack-and-pinion elevating mechanism.
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 schematic view of the front view of detachable spud leg provided in an embodiment of the present invention；
Fig. 2 is the sectional structure chart of Fig. 1 provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of connection unit provided in an embodiment of the present invention and the second spud leg unit matching；
Fig. 4 is the structural schematic diagram of connection unit provided in an embodiment of the present invention and the first rack gear and the cooperation of the second rack gear；
Fig. 5 is the structural schematic diagram of first clamping plate provided in an embodiment of the present invention and the assembly of the first rack gear；
Fig. 6 is the structural schematic diagram of connection unit provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another first wedge block and the second wedge block provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiment of the invention provides a kind of detachable spud leg, which includes at least two sections of spud leg lists
Member.Fig. 1 is the schematic view of the front view of detachable spud leg provided in an embodiment of the present invention.As shown in Figure 1, at least two sections of stakes
Leg unit includes: the first spud leg unit 1 and the second spud leg unit 2, and the first spud leg unit 1 and the second spud leg unit 2 are spud leg list
Two sections of spud leg units of arbitrary neighborhood in member.
Fig. 2 is the sectional structure chart of detachable spud leg provided in an embodiment of the present invention.As shown in Fig. 2, the first spud leg list
Member 1 includes: the first strut (not shown) of more more first rack gear string pipes, the first rack gear 3 and connection first rack gear string pipes,
Every first rack gear string pipe includes the first semifocal chord pipe 4 and the second semifocal chord pipe 5 for being arranged in the two sides of the first rack gear 3.Fig. 3 is this hair
The structural schematic diagram of connection unit 9 and the cooperation of the second spud leg unit 2 that bright embodiment provides.As shown in figure 3, the second spud leg unit
2 include: more second rack gear string pipes, the second rack gear 6 and the second strut for connecting more second rack gear string pipes, every second rack gear
String pipe includes the third semifocal chord pipe 7 and the 4th semifocal chord pipe 8 for being arranged in the two sides of the second rack gear 6, and third semifocal chord pipe 7 and the first half
The correspondence of string pipe 4 is arranged in the ipsilateral of the first rack gear 3.Fig. 4 is the first notch 3a provided in an embodiment of the present invention and the second notch 6a
Structural schematic diagram.As shown in figure 4, offering the first notch 3a, the end of the second rack gear 6 on the middle part of the end face of the first rack gear 3
It is positioned opposite that the second notch 6a, the first notch 3a and the second notch 6a is offered on the middle part in face.
The detachable spud leg further includes the connection unit 9 for connecting the first spud leg unit 1 and the second spud leg unit 2, the company
Order member 9 includes: shearing-resistance blocks 10, first clamping plate 11, second clamping plate 12, the first locking member 13, second the 14, first wedge shape of locking member
Block 15 and the second wedge block 16, shearing-resistance blocks 10 are installed in the first notch 3a and the second notch 6a.Fig. 5 embodiment of the present invention provides
First clamping plate 11 and the first rack gear 3 assembly structural schematic diagram.As shown in figure 5, the first end of first clamping plate 11 is arranged in
In the cavity that one semifocal chord pipe 4 and the first rack gear 3 surround, the second end of first clamping plate 11 is arranged in third semifocal chord pipe 7 and
In the cavity that two rack gears 6 surround, and the second end of the first end of first clamping plate 11 and first clamping plate 11 is that first clamping plate 11 is opposite
Both ends.The first end of second clamping plate 12 is arranged in the cavity that the second semifocal chord pipe 5 and the first rack gear 3 surround, second clamping plate 12
Second end be arranged in the cavity that the 4th semifocal chord pipe 8 and the second rack gear 6 surround, and the first end of second clamping plate 12 with second folder
The second end of plate 12 is the opposite both ends of second clamping plate 12, and the positions of shearing-resistance blocks 10 is corresponded in first clamping plate 11, and to offer first recessed
Slot 11a.Fig. 6 is the structural schematic diagram of connection unit 9 provided in an embodiment of the present invention.As shown in fig. 6, the first wedge block 15 is arranged
It in the first groove 11a and is fixed on the first rack gear 3 or the second rack gear 6, the position of shearing-resistance blocks 10 is corresponded in second clamping plate 12
The second groove 12a is offered, the second wedge block 16 is arranged in the second groove 12a and is fixed on the first rack gear 3 or the second rack gear 6
On.Specifically, in the present embodiment, the first wedge block 15 and the second wedge block 16 can be installed on the first rack gear 3.At it
In its embodiment, the first wedge block 15 and the second wedge block 16 can be installed on the second rack gear 6, alternatively, the first wedge block
15 are mounted on the first rack gear 3, and the second wedge block 16 is mounted on the second rack gear 6.
The top sidewall of first groove 11a is provided with the first inclined-plane 110a, is provided on the first wedge block 15 with first tiltedly
The second inclined-plane that face 110a is matched, the top sidewall of the second groove 12a are provided with third inclined-plane 120a, on the second wedge block 16
It is provided with the 4th inclined-plane matched with third inclined-plane 120a.
First locking member 13 passes through the first semifocal chord pipe 4, first clamping plate 11, the first rack gear 3, second clamping plate 12 and third semifocal chord
Pipe 7, and the first semifocal chord pipe 4, first clamping plate 11, the first rack gear 3, second clamping plate 12 and third semifocal chord pipe 7 are locked.Second locking
Part 14 passes through the second semifocal chord pipe 5, first clamping plate 11, the second rack gear 6, second clamping plate 12 and the 4th semifocal chord pipe 8, and by the second semifocal chord
Pipe 5, first clamping plate 11, the second rack gear 6, second clamping plate 12 and the 4th semifocal chord pipe 8 are locked.In the present embodiment, first clamping plate 11
Clamping plate all can be forged with second clamping plate 12, the stress-bearing capability for forging clamping plate is stronger, and in the present embodiment, shearing-resistance blocks 10 can be with
By forging.
Specifically, the included angle A of the shaft section of the first inclined-plane 110a and the first rack gear string pipe is 6~30 °, third inclined-plane 120a
Included angle B with the shaft section of the first rack gear string pipe is 6~30 °.Such angle arrangement can be in pile pulling operation, tiltedly by first
Force decomposition between face 110a and the second inclined-plane is a lesser horizontal force and vertical force, which can be with second
The dynamic balance generated between wedge block 15b and the first groove 11a contact surface passes to pull the active of pile pulling in pile pulling process
It is handed to the second spud leg unit 2, connection unit 9 is can be avoided in this way and bears biggish pulling force.
Preferably, the included angle A of the shaft section of the first inclined-plane 110a and the first rack gear string pipe be 11 °, third inclined-plane 120a with
The included angle B of the shaft section of first rack gear string pipe is that 11 ° of angles can guarantee that the pulling force that detachable spud leg is born is maximum.
Specifically, the first end outer of first clamping plate 11 is provided with the first chamfering 11b, the first end outer of second clamping plate 12
It is provided with the second chamfering 12b.First chamfering 11b and the second chamfering 12b are set, the first spud leg unit 1 and the second spud leg list are facilitated
The docking of member 2.When the second spud leg unit 2 is docked with the first spud leg unit 1, the first chamfering 11b and the second chamfering 12b being capable of benefits
In being inserted in for the first spud leg unit 1.
Specifically, in the present embodiment, the first notch 3a and the second notch 6a all can be rectangle, shearing-resistance blocks 10 are and square
The cubic type that shape matches.Such installation for being arranged such that shearing-resistance blocks 10 is more firm, avoids shearing-resistance blocks 10 in the first notch
Sliding in 3a and the second notch 6a.
Specifically, in other embodiments, the first notch 3a and the second notch 6a all can be semicircle, and shearing-resistance blocks 10 are
The cylinder type to match with semicircle.It is arranged so so that the installation of shearing-resistance blocks 10 is more convenient.
Specifically, the first locking member 13 and the second locking member 14 are stud.In the present embodiment, the first locking member
13 include four studs, and the second locking member 14 includes four studs.Due to the first locking member 13 and
Two locking members 14 are vulnerable part, are needed to be replaced frequently, and stud is using extensive and at low cost, therefore, by the first locking member
13 and second locking member 14 be set as stud and can reduce the processing and use cost of detachable spud leg.
Further, it is respectively arranged at corresponding first locking member 13 on the outer wall of the first semifocal chord pipe 4 and the second semifocal chord pipe 5
Second is respectively arranged at corresponding second locking member 14 on the outer wall of first stiffening plate 21, third semifocal chord pipe 7 and the 4th semifocal chord pipe 8
Stiffening plate 22.When first locking member 13 is installed, the aperture at the outer wall of the first semifocal chord pipe 4 and the second semifocal chord pipe 5, aperture meeting are needed
Reduce the stress intensity of the first semifocal chord pipe 4 and the second semifocal chord pipe 5, the first stiffening plate 21 of setting can make up for it weakens the due to aperture
The stress intensity of one semifocal chord pipe 4 and the second semifocal chord pipe 5 enables the first semifocal chord pipe 4 and the second semifocal chord pipe 5 to have preferable stress
Power.Similarly, when the second locking member 14 is installed, the aperture at the outer wall of third semifocal chord pipe 7 and the 4th semifocal chord pipe 8, aperture meeting are needed
The stress intensity of third semifocal chord pipe 7 and the 4th semifocal chord pipe 8 is reduced, the second stiffening plate 22 of setting can make up for it weakens the due to aperture
The stress intensity of three semifocal chord pipes 7 and the 4th semifocal chord pipe 8 enables third semifocal chord pipe 7 and the 4th semifocal chord pipe 8 to have preferable stress
Power.
Further, the first plane is provided in the first stiffening plate 21, the first locking member 13 is installed on the first plane, the
The second plane is provided in two stiffening plates 22, the second locking member 14 is mounted in the second plane.First plane and second flat is set
Face is for the ease of the first locking member 13 of installation and the second locking member 14.
Preferably, as shown in fig. 6, preferred embodiment as the present embodiment, the first wedge block 15 include the first upper block
15a and the first lower block 15b, the first upper block 15a and the first lower block 15b are along the side of the axis of the first rack gear string pipe
To being arranged side by side, the second inclined-plane is arranged on the first upper block 15a, and the first lower block 15b is cubic type, the first top
Block 15a is fixed on the first rack gear 3, and the first lower block 15b is fixed on the second rack gear 6；Second wedge block 16 includes the
Two upper block 16a and the second lower block 16b, the second upper block 16a and the second lower block 16b are along the first rack gear string pipe
The direction of axis be arranged side by side, the 4th inclined-plane is arranged on the second upper block 16a, and the second lower block 16b is cube
Type, the second upper block 16a are fixed on the first rack gear 3, and the second lower block 16a is fixed on the second rack gear 6.Fixed form
It can be welding, the first wedge block 15 is divided into the first upper block 15a and the first lower block 15b, and by the first top
Block 15a and the first lower block 15b are separately fixed on the first rack gear 3 and the second rack gear 6, by the second upper block 16a and
Second lower block 16b is separately fixed on the first rack gear 3 and the second rack gear 6, can dismantle, install convenient for user in this way,
Shearing-resistance blocks 10 are observed, and 1 bottom of the first spud leg unit after disassembly is that plane is more convenient for placing.
Fig. 7 is the structural schematic diagram of another first wedge block 15 and the second wedge block 16 provided in an embodiment of the present invention.
As another implementation of the embodiment of the present invention, structure such as Fig. 7 of first wedge block 15 and two the second wedge blocks 16
Shown, the first groove 11a extends to first from first clamping plate 11 along the direction of the axis perpendicular to the first rack gear string pipe on one side
The another side of clamping plate 11, the first wedge block 15 be two, two the first wedge blocks 15 along the first semifocal chord pipe 4 axial direction simultaneously
Arrangement is set and is separately fixed on the first rack gear 3 and the second rack gear 6, and the bottom sidewall of the first groove 11a is provided with the 5th inclined-plane
111a, the bottom of the first wedge block 15 are provided with the 6th inclined-plane matched with the 5th inclined-plane 111a, and the second groove 12a is along vertical
It is wedge-shaped from the another side for extending to second clamping plate 12 on one side of second clamping plate 12, second in the direction of the axis of the first rack gear string pipe
Block 16 is two, and two the second wedge blocks 16 are arranged side by side along the axial direction of the first semifocal chord pipe 4 and are separately fixed at first
On rack gear 3 and the second rack gear 6, the bottom sidewall of the second groove 12a is provided with the 7th inclined-plane 121a, the bottom of the second wedge block 16
It is provided with the 8th inclined-plane matched with the 7th inclined-plane 121a.The 5th inclined-plane 111a and the 7th inclined-plane 121a, which is arranged, will act on
Power on the 5th inclined-plane 111a and the 7th inclined-plane 121a is decomposed, and is generated for balancing the first inclined-plane 110a and third inclined-plane 120a
Vertical direction power.In addition, being arranged to inclined-plane can make up for it mismachining tolerance, to make the first groove 11a and the first wedge block
15 can be closely contacted, and the second groove 12a can be closely contacted with the second wedge block 16.
Specifically, the angle C of the shaft section of the 5th inclined-plane 111a and the first rack gear string pipe is 6~30 °, the 7th inclined-plane 121a
Angle D with the shaft section of the first rack gear string pipe is 6~30 °.Such angle arrangement can be in pile pulling operation, the 5th inclined-plane
Force decomposition between 111a and the 6th inclined-plane is a lesser horizontal force and vertical force, which can be with the second wedge
The dynamic balance generated between shape block 15 and the first groove 11a contact surface, so that the active of pile pulling is pulled transmitting in pile pulling process
To the second spud leg unit 2, it can be avoided connection unit 9 in this way and bear biggish pulling force.
Preferably, the angle C of the shaft section of the 5th inclined-plane 111a and the first rack gear string pipe be 11 °, the 7th inclined-plane 121a with
The angle D of the shaft section of first rack gear string pipe is that 11 ° of angles can guarantee that the pulling force that detachable spud leg is born is maximum.
Specifically, the outer wall shape of first clamping plate 11 respectively with the inner wall of corresponding first semifocal chord pipe 4 and third semifocal chord pipe 7
Shape matches, the outer wall shape of second clamping plate 12 respectively with the inner wall shape of corresponding second semifocal chord pipe 5 and the 4th semifocal chord pipe 8
It matches.First clamping plate 11 can be fixed in the first semifocal chord pipe 4 and third semifocal chord pipe 7 by setting in this way, by second clamping plate 12
It is fixed in the second semifocal chord pipe 5 and the 4th semifocal chord pipe 8, first clamping plate 11 and second clamping plate 12 is enable preferably to fix the first tooth
Item 3 and the second rack gear 6.In the present embodiment, the section of the first semifocal chord pipe 4 and the second semifocal chord pipe 5 all can be semicircle, this
Outside, in other implement, the first semifocal chord pipe 4 and the second semifocal chord pipe 5 can also be V-arrangement or rectangle.
Specifically, as shown in fig. 6, being provided with the first sealing plate 17 between the first semifocal chord pipe 4 and the first rack gear 3, the second half
The second sealing plate 18 is provided between string pipe 5 and the first rack gear 3, it is close to be provided with third between third semifocal chord pipe 7 and the second rack gear 6
Sealing plate 19 is provided with the 4th sealing plate 20 between the 4th semifocal chord pipe 8 and the second rack gear 6.The sealing of first sealing plate 17, second is set
Plate 18, third sealing plate 19 and the 4th sealing plate 20 can prevent seawater enter detachable spud leg inside, avoid because seawater into
Enter and connection unit 9 is caused to get rusty, to improve the service life of detachable spud leg.Correspondingly, the first sealing plate 17
Shape is matched with the first semifocal chord pipe 4 with the intracorporal shape of chamber that the first rack gear 3 surrounds, and can be semicircle, triangular form or square
Shape；The shape of second sealing plate 18 is matched with the second semifocal chord pipe 5 with the intracorporal shape of chamber that the first rack gear 3 surrounds, Ke Yiwei
Semicircle, triangular form or rectangle；The shape of third sealing plate 19 and third semifocal chord pipe 7 and the chamber that the second rack gear 6 surrounds are intracorporal
Shape matches, and can be semicircle, triangular form or rectangle；The shape and the 4th semifocal chord pipe 8 and the second tooth of 4th sealing plate 20
The intracorporal shape of the chamber that item 6 surrounds matches, and can be semicircle, triangular form or rectangle.In the present embodiment, the first sealing plate
17, the material of the second sealing plate 18, third sealing plate 19 and the 4th sealing plate 20 can be identical as the material of the first semifocal chord pipe 4,
In the present embodiment, the first semifocal chord pipe 4, the second semifocal chord pipe 5, third semifocal chord pipe 7 and the 4th semifocal chord pipe 8 all can be EH36 steel
Material.Meanwhile first sealing plate 17, the second sealing plate 18, third sealing plate 19 and the 4th sealing plate 20 can be using the sides of welding
Formula is fixed.
It following is a brief introduction of the installation process of detachable spud leg provided in an embodiment of the present invention:
When the first spud leg unit 1 and the second spud leg unit 2 prepare docking, shearing-resistance blocks 10 are arranged in the second notch 6a
It is interior, first clamping plate 11 and second clamping plate 12 are arranged in the left and right sides of shearing-resistance blocks 10, and make the first wedge block 15a and the second wedge
Shape block 15b correspondence is arranged in the first groove 11a, by adjusting the positional relationship of the first inclined-plane 110a and the second inclined-plane, so that
First clamping plate 11 can be pressed on the first wedge block 15, install the second locking member 14, and be arranged in the first wedge block 15 correspondence
In second groove 12a, by adjusting the positional relationship of third inclined-plane 120a and the 4th inclined-plane, second clamping plate 12 is pressed in
On second wedge block 16, eventually by locking the second locking member 14 make the second semifocal chord pipe 5, first clamping plate 11, second clamping plate 12 with
4th semifocal chord pipe 8 clamps the second rack gear 6 by the second locking member 14, in place by the lifting of the first spud leg unit 1, makes 10 cloth of shearing-resistance blocks
Be placed in the first notch 3a, installation the first locking member 13 simultaneously screw the first locking member 13, make the first semifocal chord pipe 4, first clamping plate 11,
Second clamping plate 12, third semifocal chord pipe 7 clamp the first rack gear 3 by the first locking member 13 respectively, while further screwing the first lock
Tight part 13 and the second locking member 14 keep the first locking member 13 and the second locking member 14 locked, to make first clamping plate 11 and second
Clamping plate 12 is bonded the first rack gear 3 and the second rack gear 6 arrangement, and then so that detachable spud leg is had by connection unit 9
Good stress-bearing capability is carried out according to above-mentioned installation process when detachable spud leg includes more than two spud leg units
Installation.
The embodiment of the invention provides a kind of detachable spud legs, are lacked by offering first on the end face of the first rack gear
Mouthful, the second notch is offered on the end face of the second rack gear, is installed on shearing-resistance blocks in the first notch and the second notch, shearing-resistance blocks energy
It is enough effective against the first spud leg unit and the existing shearing of the second spud leg unit, first clamping plate and second clamping plate pass through first respectively
Wedge block and the second wedge block clamp shearing-resistance blocks, so that the first spud leg unit and the second spud leg unit are us shown firmly attached to one
It rises, thus ensure that the stress-bearing capability of detachable spud leg, meanwhile, at the top of the first wedge block and third wedge block, setting is oblique
Face can guarantee to be able to bear biggish pulling force during detachable spud leg pile pulling in this way, and also ensure that first is recessed
Slot and the first wedge block are in close contact, and the second groove and the second wedge block are in close contact, to ensure that self-elevating ocean platform
Safety, expand the application range of rack-and-pinion elevating mechanism.
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. a kind of detachable spud leg, the detachable spud leg includes at least two sections of spud leg units, at least two sections of spud legs
Unit includes: the first spud leg unit and the second spud leg unit, and the first spud leg unit and the second spud leg unit are described
Two sections of spud leg units of arbitrary neighborhood in spud leg unit, which is characterized in that
The first spud leg unit includes: more first rack gear string pipes and the first support for connecting the more first rack gear string pipes
Bar, the every first rack gear string pipe include the first rack gear and be arranged in first rack gear two sides the first semifocal chord pipe and the
Two semifocal chord pipes, the second spud leg unit include: more second rack gear string pipes and connect the of the more second rack gear string pipes
Two struts, the every second rack gear string pipe include the third semifocal chord pipe of the second rack gear with the two sides for being arranged in second rack gear
With the 4th semifocal chord pipe, and the third semifocal chord pipe is corresponding with the first semifocal chord pipe is arranged in the ipsilateral of first rack gear, institute
It states and offers the first notch on the middle part of the end face of the first rack gear, second is offered on the middle part of the end face of second rack gear and is lacked
Mouthful, first notch and second notch are positioned opposite；
The detachable spud leg further includes the connection unit for connecting the first spud leg unit and the second spud leg unit, institute
Stating connection unit includes: shearing-resistance blocks, first clamping plate, second clamping plate, the first locking member, the second locking member, the first wedge block and
Two wedge blocks, the shearing-resistance blocks are installed in first notch and second notch, the first end cloth of the first clamping plate
It sets in the cavity that the first semifocal chord pipe and first rack gear surround, the second end of the first clamping plate is arranged in described the
In the cavity that three semifocal chord pipes and second rack gear surround, and the second of the first end of the first clamping plate and the first clamping plate
End is the opposite both ends of the first clamping plate, and the first end of the second clamping plate is arranged in the second semifocal chord pipe and described first
In the cavity that rack gear surrounds, the second end of the second clamping plate is arranged in the 4th semifocal chord pipe and second rack gear surrounds
In cavity, and the first end of the second clamping plate and the second end of the second clamping plate are the both ends that the second clamping plate is opposite,
The position that the shearing-resistance blocks are corresponded in the first clamping plate offers the first groove, and first wedge block is arranged in described first
It in groove and is fixed on first rack gear or second rack gear, the position of the shearing-resistance blocks is corresponded in the second clamping plate
Offer the second groove, second wedge block is arranged in second groove and is fixed on first rack gear or described the
On two rack gears；
The top sidewall of first groove is provided with the first inclined-plane, is provided on first wedge block and first inclined-plane
The second inclined-plane matched, the top sidewall of second groove are provided with third inclined-plane, are provided on second wedge block
The 4th inclined-plane matched with second inclined-plane；
First locking member pass through the first semifocal chord pipe, the first clamping plate, first rack gear, the second clamping plate with
The third semifocal chord pipe, and by the first semifocal chord pipe, the first clamping plate, first rack gear, the second clamping plate and institute
The locking of third semifocal chord pipe is stated,
Second locking member pass through the second semifocal chord pipe, the first clamping plate, second rack gear, the second clamping plate with
4th semifocal chord pipe connection, and by the second semifocal chord pipe, the first clamping plate, second rack gear, the second clamping plate
It is locked with the 4th semifocal chord pipe.
2. detachable spud leg according to claim 1, which is characterized in that first inclined-plane and the first rack gear string
The angle of the shaft section of pipe is 6~30 °, the angle of the shaft section of the third inclined-plane and the first rack gear string pipe is 6~
30°。
3. detachable spud leg according to claim 2, which is characterized in that first inclined-plane and the first rack gear string
The angle of the shaft section of pipe is 11 °, and the angle of the shaft section of the third inclined-plane and the first rack gear string pipe is 11 °.
4. detachable spud leg according to claim 1, which is characterized in that the outer of the first end of the first clamping plate is set
It is equipped with the first chamfering, the outer of the first end of the second clamping plate is provided with the second chamfering.
5. detachable spud leg according to claim 1, which is characterized in that first notch and second notch are equal
For semicircle, the shearing-resistance blocks are the cylinder type to match with the semicircle.
6. detachable spud leg according to claim 1, which is characterized in that first notch and second notch are equal
For rectangle, the shearing-resistance blocks are the cubic type to match with the rectangle.
7. detachable spud leg according to claim 1, which is characterized in that first locking member and second locking
Part is stud.
8. detachable spud leg according to claim 1, which is characterized in that first wedge block includes the first upper mass
The axis of body and the first lower block, first upper block and first lower block along the first rack gear string pipe
Direction is arranged side by side, and second inclined-plane is arranged on first upper block, and first lower block is cubic type,
First upper block is fixed on first rack gear, and first lower block is fixed on second rack gear；Institute
It states the second wedge block and includes the second upper block and the second lower block, second upper block and second lower block
Direction along the axis of the first rack gear string pipe is arranged side by side, and the 4th inclined-plane is arranged on second upper block,
Second lower block is cubic type, and second upper block is fixed on first rack gear, second lower part
Block is fixed on second rack gear.
9. detachable spud leg according to claim 1, which is characterized in that the first semifocal chord pipe and second semifocal chord
It is corresponded on the outer wall of pipe and is respectively arranged with the first stiffening plate at first locking member, the third semifocal chord pipe and the described 4th half
It is corresponded on the outer wall of string pipe and is respectively arranged with the second stiffening plate at second locking member.
10. detachable spud leg according to claim 1, which is characterized in that the first semifocal chord pipe and first tooth
It is provided with the first sealing plate between item, the second sealing plate is provided between the second semifocal chord pipe and first rack gear, it is described
Third sealing plate is provided between third semifocal chord pipe and second rack gear, between the 4th semifocal chord pipe and second rack gear
It is provided with the 4th sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223440.7A CN107059828B (en) | 2017-04-07 | 2017-04-07 | A kind of detachable spud leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223440.7A CN107059828B (en) | 2017-04-07 | 2017-04-07 | A kind of detachable spud leg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059828A CN107059828A (en) | 2017-08-18 |
| CN107059828B true CN107059828B (en) | 2019-06-21 |
Family
ID=59602624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710223440.7A Active CN107059828B (en) | 2017-04-07 | 2017-04-07 | A kind of detachable spud leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107059828B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360486B (en) * | 2018-03-23 | 2020-06-16 | 哈尔滨工业大学深圳研究生院 | Prefabricated assembling type pile leg of self-elevating ocean platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3830071A (en) * | 1972-10-13 | 1974-08-20 | Ihc Holland Letourneau Marine | Jack-up drilling platform |
| CN201649058U (en) * | 2010-05-31 | 2010-11-24 | 抚州市临川白勇海洋工程有限公司 | Self-lifting platform pile leg locking device |
| CN103216616A (en) * | 2013-04-26 | 2013-07-24 | 中国船舶重工集团公司第七○二研究所 | Assembling, disassembling and locking mechanism for shear-resistance blocks of ultrahigh pressure large diameter deep sea environment simulating device |
| CN104912048A (en) * | 2015-05-26 | 2015-09-16 | 浙江海洋学院 | Ocean platform with detachable pile legs |
| CN105064310A (en) * | 2015-07-03 | 2015-11-18 | 武汉船用机械有限责任公司 | Locking mechanism of rack-and-pinion lifting system |
-
2017
- 2017-04-07 CN CN201710223440.7A patent/CN107059828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3830071A (en) * | 1972-10-13 | 1974-08-20 | Ihc Holland Letourneau Marine | Jack-up drilling platform |
| CN201649058U (en) * | 2010-05-31 | 2010-11-24 | 抚州市临川白勇海洋工程有限公司 | Self-lifting platform pile leg locking device |
| CN103216616A (en) * | 2013-04-26 | 2013-07-24 | 中国船舶重工集团公司第七○二研究所 | Assembling, disassembling and locking mechanism for shear-resistance blocks of ultrahigh pressure large diameter deep sea environment simulating device |
| CN104912048A (en) * | 2015-05-26 | 2015-09-16 | 浙江海洋学院 | Ocean platform with detachable pile legs |
| CN105064310A (en) * | 2015-07-03 | 2015-11-18 | 武汉船用机械有限责任公司 | Locking mechanism of rack-and-pinion lifting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059828A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107059828B (en) | A kind of detachable spud leg | |
| WO2023185528A1 (en) | Hollowed-out boom segment, segmented type boom, and boom assembly | |
| US7017710B2 (en) | Scaffolding | |
| KR101289149B1 (en) | Structure and apparatus for connecting steel pipe struts | |
| CN206800481U (en) | Static load pile crown protection device and static loading experiment system | |
| CN217123058U (en) | Dismounting device | |
| CN211772873U (en) | Clamping structure for fixing mooring rope | |
| KR200437257Y1 (en) | A concrete form supporter | |
| CN114590698A (en) | Large-scale component assembled hoist and mount distributive girder device | |
| CN103306474A (en) | Integrated wood formwork | |
| CN105347207A (en) | Combined type cantilever crane | |
| CN103935881B (en) | Turning rack | |
| CN107761712B (en) | A kind of connecting elements of bracing members and steel purlin | |
| CN211257343U (en) | Connecting and reinforcing device between steel members with circular cross sections | |
| CN110498336B (en) | Hoisting tool and hoisting process for side plate of sintering machine trolley | |
| CN210505256U (en) | Straight pipe joint hoisting reinforcing structure | |
| CN206784948U (en) | Bearing is had enough to meet the need for reinforce pump line | |
| CN205419602U (en) | Modular cantilever crane | |
| CN110294426A (en) | Plug connection structure, supporting leg and vehicle frame connection component and crane | |
| CN220998951U (en) | Concealed lifting device | |
| CN217811168U (en) | Tower crane combined foundation | |
| CN211447737U (en) | Elevator shaft beam supporting structure | |
| CN215926318U (en) | Cast-in-place support crossbeam quick connect connects | |
| CN210942183U (en) | Marine hatch cover end beam mounting and positioning auxiliary device | |
| CN219298796U (en) | Material piling rack and wall construction structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |