CN103422482B - A kind of assembled truss framed leg device - Google Patents
A kind of assembled truss framed leg device Download PDFInfo
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- CN103422482B CN103422482B CN201310318226.1A CN201310318226A CN103422482B CN 103422482 B CN103422482 B CN 103422482B CN 201310318226 A CN201310318226 A CN 201310318226A CN 103422482 B CN103422482 B CN 103422482B
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- truss framed
- framed leg
- chord member
- locating dowel
- leg device
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Abstract
The invention discloses a kind of assembled truss framed leg device, comprise the truss framed leg that is connected with shoe, described truss framed leg comprises the chord member that becomes equilateral triangle to distribute by 3 vertical sections, and every chord member outer circumference surface is symmetrically connected with respectively 1 toothed rack vertically, and on chord member three facades along its length, be respectively equipped with at least 2 isolation up and down, and the triatic stay being connected with chord member forms; Described assembled truss framed leg device is at least two-layer, is provided with for the location that is connected of chord member and saves between truss framed leg and truss framed leg; Described connection location joint is made up of locating dowel, retaining sleeve, elastic cushion block and bolt pair. Assembled truss framed leg device of the present invention, by equitable subsection, ingehious design, the assembled structure of science, has realized integrated jack up truss framed leg has been become to the combinable version of some layers, simple in structure, easy accessibility, safe and reliable, applied widely.
Description
Technical field
The present invention relates to a kind of assembled truss framed leg device, relate in particular to a kind of truss framed leg dress of self-elevating ocean platformPut. Belong to ocean engineering mechanical field.
Background technology
Along with the development of Offshore Oil Industry, self-elevating ocean platform will develop to deep water sea area, the environmental condition that platform facesAlso further harsh. As the important component part of self-elevating ocean platform, spud leg plays and supports ocean platform platform is sufferedEnvironmental load be delivered to the important function in seabed. Each self-elevating ocean platform has more than 3 or 3 spud legs to prop upSupport, need be by platform towage to another place in the time that ocean platform changes operating location. Before towage, first by every spud leg profitWith the device on platform, more than extracting sea bed and being raised to sea level, then be chosen under the good condition of environmental aspect and dragBoat.
At present, self-elevating ocean platform all uses integral type spud leg, and single spud leg is as a whole, once build,Just non-dismountable. This has the following disadvantages: (1), in towage process, more than spud leg is lifted to sea level, is subject to environmentThe impact of load is very large, and the boat safety of moving of platform is produced to very large threat. (2) spud leg length and quality are very large, lifting stakeOperation inconvenience when leg, dangerous high. (3), once the design head of platform is definite, the length of spud leg is also thereupon definite, forBut some operating modes allow the darker marine site of the depth of water, and its job area is just restricted.
Look into Chinese patent, a kind of truss connecting device, number of patent application: 201220003017.9, this truss connecting device masterTo connect by the ring flange of arranging between truss, for elevator installing area, owing to cannot ensureing in same purlinSimultaneously effectively contact of three flange faces on frame, and lack corresponding bracing reinforcement parts, therefore can not ensure trussStability, the residing marine environment complexity of truss framed leg in addition, truss abutted flange is being installed the also larger difficulty of existence,So this device fails to obtain practical application. And for example number of patent application: 200610134682.0, be a kind of large-scale truss type stakeThe assembly method of leg structure. It is mainly by moulding bed device, and the welding manufacture of auxiliary girder formula spud leg, ensures truss framed legConstruction precision and quality. But it can not solve an operation difficult problem for current deep water platform and the safety issue of platform towage.
Summary of the invention
The object of the invention is the defect existing in order to overcome prior art, for solving an operation difficult problem for deep-sea platform, provideCan be according to the depth of water in operation marine site, convenient, to adjust reliably truss framed leg length assembled truss framed leg device.The present invention can also, before platform towage, by the dismounting to truss framed leg, reduce spud leg rising height, thereby improves from risingThe security of formula platform towage.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of assembled truss framed leg device, comprises the truss framed leg that is connected with shoe, and described truss framed leg comprises by 3The chord member that root vertical section becomes equilateral triangle to distribute, and every chord member outer circumference surface is symmetrically connected with respectively 1 verticallyTooth bar, and on chord member three facades along its length, be respectively equipped with at least 2 isolation up and down, and be connected with chord memberTriatic stay forms; Described assembled truss framed leg device is at least two-layer, between truss framed leg and truss framed legBe provided with the connection location joint for chord member; Described connection location joint is by locating dowel, two semi-circle tubular retaining sleeves and spiral shellBolt is secondary to be formed, and intert in the pipe of top boom wherein said locating dowel one end, and the other end interts in the pipe of lower boom, fixedPosition post outer circumference surface vertically symmetry offers two grooves, and locating dowel groove width median plane vertical radially have twoRadial direction through hole, the corresponding locating dowel of described two semi-circle tubular retaining sleeves is sleeved on the cylindrical of top-bottom chord, top-bottom chord andTwo corresponding locating dowel radial direction through hole of semi-circle tubular retaining sleeve offer corresponding through hole; Described bolt pair interts at through holeMiddle by its three's connection. Two truss framed legs, its each corresponding chord member is at positioned internal post and outside two semi-circular tube clevisHold under the acting in conjunction of cover and bolt pair, be assembled into a complete truss framed leg.
Object of the present invention can also further realize by following technical measures.
Described connection location joint also comprises the elastic cushion block being sleeved on retaining sleeve periphery, elastic cushion block and retaining sleeve peripheryThe one side contacting is arc surface, and the radius of curvature of arc surface is identical with the radius of curvature of described radius retaining sleeve periphery, anotherOne side is plane, and center offers a through hole, and opens a breach on limit, hole, and makes it have certain elastic deformation amount, withAnti-bolt pair is loosening to lose efficacy.
The tooth bar that described chord member is provided with tooth by 2 semi-circular tubes with 1 corresponding two sides is connected and forms, described 2 semicirclesBetween two joint faces of pipe, embedding accompanies tooth bar, and the outer circumference surface of chord member is stretched out respectively on the two sides that tooth bar is provided with tooth; Tooth bar forGear engagement on platform, then by swing pinion lifting spud leg.
Described tooth bar stretches out the thickness that dedendum line that the length of the outer circumference surface of chord member is tooth bar is greater than described retaining sleeve; DescribedThe thickness of tooth bar be the width that is slightly smaller than or equals two grooves that described locating dowel is provided with; The length of described tooth bar and instituteThe chord member of stating is isometric, and is the integral multiple of rack tooth distance; Every toothed rack disconnect position is identical with respect to the position of profile of tooth, and cutsDisconnected position is a whole tooth end position.
The upper and lower two ends of described tooth bar have a U-shaped breach along center line, and the degree of depth of U-shaped breach is for being a bit larger tham or equaling fixed/ 2nd of a position column length, the width of U-shaped breach is the radial spacing that is a bit larger tham or equals two grooves that locating dowel is provided with.
The diameter of described locating dowel is the internal diameter that is slightly less than or equals described chord member, the upper and lower side of described locating dowel and grooveNotch is equipped with the chamfering of 30-45 ° of degree.
The described hound that is also connected with up and down splayed or herringbone between triatic stay. Among described triatic stayAlso level connection joint has the internal overarm support of △ shape. The cross sectional shape of described strut is circle.
Described shoe is connected with the lower end of the bottom truss framed leg of described assembled truss framed leg device.
The present invention is simple in structure, easy to use, safe and reliable. Under the prerequisite of function that meets truss framed leg, will be from risingThe truss framed leg of formula platform, by equitable subsection, convenient, science assembled, has realized integrated truss framed legBecome removable form. In towage process, can dismantle spud leg, thereby can change flexibly spud leg length, effectively carryThe security of high towage operating mode lower platform. In the time of lifting spud leg, more convenient to operate, security is higher. Meanwhile, at environmentIn the situation that load allows, can suitably increase the spud leg length of jack-up unit by this truss framed leg jockey, therebyIncrease the operating water depth of platform, improve the applicability of ocean platform.
Advantage and disadvantage of the present invention, by for illustration and explanation the non-limitative illustration by preferred embodiment below, theseEmbodiment, only provides as an example with reference to accompanying drawing.
Brief description of the drawings
Fig. 1, self-elevating ocean platform working state figure;
Fig. 2, self-elevating ocean platform towing condition figure;
Fig. 3, be the front view of assembled truss framed leg device of the present invention;
Fig. 4 is that Fig. 3 A-A is to vertical view cutaway drawing;
Fig. 5 is that Fig. 4 B-B is to cutaway view;
Fig. 6 is that Fig. 4 C-C is to cutaway view;
Fig. 7 is the structural representation of middle rack of the present invention;
Fig. 8 is the front view of locating dowel in the present invention;
Fig. 9 is the top view of Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1, be the normal operation attitude of self-elevating ocean platform. Platform 1 and spud leg assembly 2 mechanical connections, GuCertain operation height on sea level; Shoe 3 is welded on spud leg 2 lower ends, props up platform 1.
As shown in Figure 2, be the towage attitude of self-elevating ocean platform. Platform 1 floats on sea level; Spud leg assembly 2 is largePart is raised to platform more than 1.
As shown in Figure 3, the assembled truss framed leg device of one of the present invention, comprises truss framed leg 22, described truss-like stakeLeg 22 comprises the chord member 224 that becomes equilateral triangle to distribute by 3 vertical sections, and every chord member 224 outer circumference surfaces are along axleTo being symmetrically connected with respectively 1 toothed rack 222, and be respectively equipped with at least 2 on chord member 224 three facades along its lengthIsolation up and down, and the triatic stay 221 being connected with chord member 224 forms; Described assembled truss framed leg assembly 2 fillsPut be at least two-layer, between truss framed leg 22 and truss framed leg 21, be provided with for chord member be connected location joint 40 (asFig. 5); Described connection location joint 40 by outer circumference surface vertically the symmetrical locating dowel 41 that offers two grooves (as Fig. 8,9), and the groove width median plane of locating dowel 41 vertical radially have a radial direction through hole, be sleeved on locating dowel 41 cylindricals and openThere are two semi-circle tubular retaining sleeves 42 of the radial direction through hole corresponding with locating dowel 41 and are placed in the spiral shell in radial direction through holeBolt secondary 43 forms; Two truss framed legs 22,21, by the semi-circular tube 224 positioned internal posts 41 of its each corresponding chord memberUnder the acting in conjunction of outside two semi-circle tubular retaining sleeves 42 and bolt pair 43, be assembled into a complete truss-like stakeLeg assembly 2.
As shown in Figure 5, described connection location joint 40 also comprises the elastic cushion block 44 being sleeved on retaining sleeve 42 peripheries,The one side that elastic cushion block 44 contacts with retaining sleeve 42 peripheries is arc surface, the radius of curvature of arc surface and described retaining sleeveThe radius of curvature of periphery is identical, and another side is plane, and center offers a through hole, and opens a breach on limit, hole, and makes itHave certain elastic deformation amount, lost efficacy in case bolt pair 43 is loosening, its function class is like elastomeric pad.
As shown in Figure 5, Figure 6, described chord member is the tooth bar 222 that is provided with tooth by 224 and 1 corresponding two sides of 2 semi-circular tubesThe composition that is connected, between two joint faces of described 2 semi-circular tubes 224, embedding accompanies tooth bar 222, and tooth bar 222 is provided with two of toothFace stretches out respectively the outer circumference surface of chord member semi-circular tube 224; Tooth bar 222 is for engaging with the gear on platform, then by revolvingTurn gear lifting spud leg assembly 2.
The length that described tooth bar 222 stretches out the outer circumference surface of chord member is that the dedendum line of tooth bar 222 is greater than described retaining sleeve 42Thickness; The thickness h (seeing Fig. 4) of described tooth bar is for being slightly smaller than or equaling the wide of two grooves that described locating dowel 41 is provided withDegree h1 (seeing Fig. 9), its effect is the positioning precision for improving locating dowel 41, meets product interchangeability requirement; Described tooth bar222 length and described chord member are isometric, and are the integral multiple of tooth bar 222 tooth pitches; Every toothed rack 222 disconnect positions are relativePosition in profile of tooth is identical, and disconnect position is a whole tooth end position, and its effect is also in order to meet product interchangeability requirement.
As shown in Figure 7, described tooth bar has a U-shaped breach, the degree of depth of U-shaped breach along center line in two ends Shang Xia 222H is a bit larger tham or equals 1/2nd of locating dowel 41 length, and the width s of U-shaped breach is for being a bit larger tham or equaling locating dowel 41The radial spacing s1 (seeing Fig. 9) of two grooves that are provided with, its effect is the positioning precision that improves locating dowel 41, in order to meetProduct interchangeability requirement.
As shown in Figure 5, the diameter of described locating dowel 41 is semi-circular tube 224 internal diameters that are slightly less than or equal described chord member,The upper and lower side of described locating dowel 41 and groove notch are equipped with the chamfering of 30-45 ° of degree, and its effect is to improve locating dowel 41Positioning precision play the guiding role for spud leg is installed simultaneously.
As shown in Figure 3, between described triatic stay up and down 221, be also connected with the hound 223 of splayed or herringbone,Described hound 223 refers to the strut in the middle of upper and lower two layers of triatic stay 221, and it requires at truss framed leg three facadesOn coplanar, two ends of lower floor's triatic stay 221, divide the middle part that is clipped to last layer triatic stay 221, form leg-of-mutton obliqueStrut 223, oppositely also can. Among described triatic stay 221, going back level connection joint has the internal overarm support 225 (seeing Fig. 4) of △ shape,Internal overarm support 225 is the middle parts that are welded on triatic stay 221, and length is approximately 1/2 of triatic stay 221, with triatic stay 221Be mutually triangle, reinforce triatic stay 221, described strut cross sectional shape is circle.
As shown in Figure 3, the lower end of the bottom truss framed leg 21 of described assembled truss framed leg assembly 2 is also connected withOne shoe 3.
In addition to the implementation, the present invention can also have other embodiments, all employings be equal to replace or equivalent transformation formTechnical scheme, all drops in the protection domain of requirement of the present invention.
Claims (10)
1. an assembled truss framed leg device, comprises the truss framed leg that is connected with shoe, described truss framed leg bagThe chord member that becomes equilateral triangle to distribute containing 3 vertical sections, and every chord member outer circumference surface is symmetrically connected with respectively 1 verticallyToothed rack, and on chord member three facades along its length, be respectively equipped with at least 2 isolation up and down, and be connected with chord memberTriatic stay; It is characterized in that: described assembled truss framed leg device is at least two-layer, truss framed leg and trussBetween formula spud leg, be provided with the connection location joint for chord member; Described connection location joint is by locating dowel, two semi-circle tubularRetaining sleeve and bolt pair form, and intert in the pipe of top boom wherein said locating dowel one end, and the other end interts at lower boomPipe in, locating dowel outer circumference surface vertically symmetry offers two grooves, and in the vertical footpath of locating dowel groove width median planeTo having two radial direction through hole, the corresponding locating dowel of described two semi-circle tubular retaining sleeves is sleeved on the cylindrical of top-bottom chord,Top-bottom chord and two corresponding locating dowel radial direction through hole of semi-circle tubular retaining sleeve offer corresponding through hole; Described bolt pairIntert and in through hole, its three is connected.
2. assembled truss framed leg device as claimed in claim 1, is characterized in that: described connection location joint also comprisesBe sleeved on the elastic cushion block on retaining sleeve periphery, the one side that elastic cushion block contacts with retaining sleeve periphery is arc surface, anotherOne side is plane, and center offers a through hole, and opens a breach on limit, hole, and makes it have certain elastic deformation amount.
3. assembled truss framed leg device as claimed in claim 2, is characterized in that: the radius of curvature of described arc surfaceIdentical with the radius of curvature of described retaining sleeve periphery.
4. assembled truss framed leg device as claimed in claim 1, is characterized in that: described chord member is by 2 halfThe tooth bar that pipe is provided with tooth with the 1 corresponding two sides composition that is connected, between two joint faces of described 2 semi-circular tubes, embedding accompanies toothBar, the outer circumference surface of chord member is stretched out respectively on the two sides that tooth bar is provided with tooth.
5. the assembled truss framed leg device as described in claim 1 or 4, is characterized in that: described tooth bar stretches out stringThe length of the outer circumference surface of bar is the thickness that the dedendum line of tooth bar is greater than described retaining sleeve; The thickness of described tooth bar is for being slightly smaller thanOr equal the width of two grooves that described locating dowel is provided with; The length of described tooth bar and described chord member are isometric, and are toothThe integral multiple of bar tooth pitch; Every toothed rack disconnect position is identical with respect to the position of profile of tooth, and disconnect position is a whole tooth stop bitsPut.
6. assembled truss framed leg device as claimed in claim 5, is characterized in that: edge, the upper and lower two ends of described tooth barCenter line has a U-shaped breach, and the degree of depth of U-shaped breach is be a bit larger tham or equal 1/2nd of locating dowel length, U-shapedThe width of breach is the radial spacing that is a bit larger tham or equals two grooves that locating dowel is provided with.
7. assembled truss framed leg device as claimed in claim 1, is characterized in that: the diameter of described locating dowel isBe slightly less than or equal the internal diameter of described chord member, the upper and lower side of described locating dowel and groove notch are equipped with the chamfering of 30-45 degree.
8. assembled truss framed leg device as claimed in claim 1, is characterized in that: described triatic stay up and down itBetween be also connected with the hound of splayed or herringbone.
9. assembled truss framed leg device as claimed in claim 1, is characterized in that: among described triatic stay, go backLevel connection joint has the internal overarm support of △ shape.
10. assembled truss framed leg device as claimed in claim 1, is characterized in that: described shoe and described spellingThe lower end of the bottom truss framed leg of dress truss framed leg device is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318226.1A CN103422482B (en) | 2013-07-26 | 2013-07-26 | A kind of assembled truss framed leg device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318226.1A CN103422482B (en) | 2013-07-26 | 2013-07-26 | A kind of assembled truss framed leg device |
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| Publication Number | Publication Date |
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| CN103422482A CN103422482A (en) | 2013-12-04 |
| CN103422482B true CN103422482B (en) | 2016-05-11 |
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| CN201310318226.1A Active CN103422482B (en) | 2013-07-26 | 2013-07-26 | A kind of assembled truss framed leg device |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981867B (en) * | 2014-05-26 | 2016-02-24 | 天津港航工程有限公司 | The piling position-limited rack of intertidal zone offshore wind power foundation pile sinking and construction method thereof |
| CN104018504A (en) * | 2014-06-12 | 2014-09-03 | 渤海船舶重工有限责任公司 | Shell type pile leg assembling and positioning device and method |
| CN105129641B (en) * | 2015-08-04 | 2017-05-31 | 中国石油大学(北京) | It is a kind of to carry pipe platform for submarine pipeline maintenance |
| CN105937216B (en) * | 2016-05-19 | 2018-04-17 | 武汉船用机械有限责任公司 | A kind of jacking system suitable for hoistable platform |
| CN105970895B (en) * | 2016-05-26 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of jack-up unit spud leg and jacking system |
| CN106049392A (en) * | 2016-06-01 | 2016-10-26 | 河海大学 | Sleeve truss pile leg and pile shoe foundation |
| CN106381856B (en) * | 2016-08-29 | 2019-02-05 | 武汉船用机械有限责任公司 | Segmented cylindrical leg |
| CN107142919B (en) * | 2017-05-27 | 2019-07-09 | 武汉船用机械有限责任公司 | A kind of detachable truss leg |
| CN111553014B (en) * | 2020-05-08 | 2023-08-11 | 中交第一航务工程局有限公司 | Pile leg and design method thereof |
| CN112502119A (en) * | 2020-11-04 | 2021-03-16 | 中国海洋石油集团有限公司 | Truss type pile leg with descending buffering structure |
| CN115387313A (en) * | 2022-08-31 | 2022-11-25 | 江苏大洋海洋装备有限公司 | Lifting pile leg for wind power installation vessel |
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2013
- 2013-07-26 CN CN201310318226.1A patent/CN103422482B/en active Active
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Application publication date: 20131204 Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Denomination of invention: A truss type pile leg assembly device Granted publication date: 20160511 License type: Common License Record date: 20221128 |
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Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Date of cancellation: 20230310 |