CN210177485U

CN210177485U - Pile leg structure of self-elevating ocean structure

Info

Publication number: CN210177485U
Application number: CN201920518991.0U
Authority: CN
Inventors: 彭文军; 胡业发; 罗荣; 张锦光; 吴平平; 崔本仓
Original assignee: Guangdong Jing Indium Marine Engineering Innovation Research Co Ltd
Current assignee: Guangdong Jing Indium Marine Engineering Innovation Research Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-03-24
Anticipated expiration: 2029-04-15

Abstract

A leg structure of a jack-up offshore structure includes a first unit, a second unit and a third unit; two ends of the first unit and the second unit are respectively provided with a first male end and a first female end which can be matched with each other, and racks are symmetrically arranged on two sides of the first unit and the second unit; the middle part of the second unit is provided with a plurality of second male ends, and one end of the columnar third unit is a second female end; the first unit and the second unit are matched with each other through a first male end and a first female end to be in tail connection; the third unit and the second unit are connected in a matched mode through a second male end and a second female end. The utility model discloses with spud leg structure split into three unit, fundamentally has solved welding defect that welding process produced, perishable, maintenance cost height, inconvenient installation and transportation scheduling problem, has strengthened the installation flexibility of spud leg structure greatly, convenient batch production.

Description

Pile leg structure of self-elevating ocean structure

Technical Field

The utility model relates to an ocean engineering technology field, in particular to from lift-type ocean structure's spud leg structure.

Background

The carbon fiber composite material is one of the most widely used composite materials at present, has excellent mechanical properties, has a specific gravity less than 1/4 of steel, and has a strength far stronger than that of steel, so that the carbon fiber composite material is more and more widely used. The carbon fiber composite material is used for manufacturing the pile leg of the ocean structure to replace the traditional metal pile leg, so that the mechanical property requirement can be met, the mass can be reduced, and the energy consumption can be reduced.

The traditional self-elevating marine structure metal pile leg has the characteristics of large size, high bearing capacity and the like, but in the traditional process, a metal rack and a metal chord tube are connected in a welding mode, and the traditional self-elevating marine structure metal pile leg has the defects of welding defects, easiness in corrosion, high maintenance cost, inconvenience in installation and transportation and the like. The light-weight high-strength carbon fiber composite material is adopted for light-weight design and manufacture, the defects of easy corrosion of metal and high maintenance cost are overcome, and the composite material has the advantages of convenience in transportation, convenience in installation and the like. Utilize the utility model provides a carbon-fibre composite spud leg structural style can reduce the input of mould and former, reduces the technology degree of difficulty and cost of manufacture, does benefit to batch production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weak point among the prior art, provide a spud leg structure of formula of rising from lift-type marine structure.

To achieve the purpose, the utility model adopts the following technical proposal:

a leg structure of a jack-up offshore structure includes a first unit, a second unit and a third unit; two ends of the first unit and the second unit are respectively provided with a first male end and a first female end which can be matched with each other, and racks are symmetrically arranged on two sides of the first unit and the second unit; the middle part of the second unit is provided with a plurality of second male ends, and one end of the columnar third unit is a second female end; the first unit and the second unit are matched with each other through a first male end and a first female end to be in tail connection; the third unit and the second unit are connected in a matched mode through a second male end and a second female end.

Further, the main bodies of the first unit and the second unit are chord pipes, U-shaped grooves are symmetrically formed in two sides of each chord pipe, and the racks are arranged and fixed in the U-shaped grooves.

In a further description, the second unit is symmetrically provided with four second male ends, four third units are respectively inserted into the second male ends, and the angles formed between two adjacent third units are the same.

In a further aspect, the first female end is a hollow portion of the chord tube, the cross section of the chord tube is elliptical, and the first male end is a cylindrical protrusion having an elliptical cross section.

In a further description, the fixing mode of the rack and the U-shaped groove is at least one of that the rack is fixed in the U-shaped groove by gluing the rack and the U-shaped groove, or that a bolt penetrates through the side wall of the U-shaped groove and the rack.

The utility model has the advantages that: the pile leg structure is split into three units, and the three units are spliced during assembly, so that a welding procedure of the traditional process is omitted, and the problems of welding defects, easiness in corrosion, high maintenance cost, inconvenience in installation and transportation and the like generated in a welding procedure are fundamentally solved. The three units can be spliced according to the actual conditions and the required height, so that the installation flexibility of the pile leg structure is greatly enhanced, and the mass production is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first unit of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second unit of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third unit of an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first unit according to an embodiment of the present invention.

The device comprises a first unit 1, a second unit 2, a third unit 3, a first male end 01, a first female end 02, a second male end 03, a second female end 04, a chord tube 05, a U-shaped groove 06 and a rack 07.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

A pile leg structure of a self-elevating marine structure comprises a first unit 1, a second unit 2 and a third unit 3; a first male end 01 and a first female end 02 which can be matched with each other are respectively arranged at two ends of the first unit 1 and the second unit 2, and racks 07 are symmetrically arranged at two sides of the first unit 1 and the second unit 2; the middle part of the second unit 2 is provided with a plurality of second male ends 03, and one end of the columnar third unit 3 is a second female end 04; the first unit 1 and the second unit 2 are matched with each other through a first male end 01 and a first female end 02 to be in tail connection; the third unit 3 and the second unit 2 are connected with each other through a second male end 03 and a second female end 04 in a matched manner.

The pile leg structure is split into three units, and the three units are spliced during assembly, so that a welding procedure of the traditional process is omitted, and the problems of welding defects, easiness in corrosion, high maintenance cost, inconvenience in installation and transportation and the like generated in a welding procedure are fundamentally solved. The three units can be spliced according to the actual conditions and the required height, so that the installation flexibility of the pile leg structure is greatly enhanced, and the mass production is convenient. The three single elements are integrally formed by a compression molding process of carbon fiber prepreg. The prepreg has the characteristics that the proportion of fibers and resin is more controllable, the content of volatile micromolecular solvent is lower, and the final composite material product has more stable weight, mechanical property and the like; and the ply angle when adopting prepreg can the design type stronger, can adopt multiple angle combinations such as C45, C90, C0, be more suitable for the preparation of complicated structure. The compression molding process has the characteristics of capability of providing higher molding pressure, higher compactness of the composite material, more excellent and stable product performance, accurate and controllable appearance size, convenience for later-stage combination and assembly and better actual combination effect. The carbon fiber prepreg has the characteristics that the resin has better flame retardance, meets EN45545, HL3 and R1 standards, is not self-ignited under the condition of marine fire, and can provide longer escape time for marine workers.

Further, the main bodies of the first unit 1 and the second unit 2 are chord pipes 05, U-shaped grooves 06 are symmetrically formed in two sides of each chord pipe 05, and the racks 07 are arranged and fixed in the U-shaped grooves 06.

Further refine the unit structure of spud leg structure, produce chord tube 05 and rack 07 respectively during production, fix the two during the equipment, U type groove 06 can play the firm effect to rack 07 simultaneously, also makes things convenient for rack 07's installation simultaneously. More preferably, the chord tube 05 is produced by using the carbon fiber composite material, so that the aim of 1/4 with the specific gravity less than that of steel and the strength far stronger than that of steel materials is fulfilled. The carbon fiber composite chord tube 05 is integrally formed through a prepreg compression molding process, so that the investment of a mold and molding equipment can be reduced, the process difficulty and the manufacturing cost are reduced, and the mass production is facilitated.

To be further described, the second unit 2 is symmetrically provided with four second male ends 03, four third units 3 are respectively inserted into the second male ends 03, and the angles formed between two adjacent third units 3 are the same.

The third unit 3 is inserted into the second unit 2, and plays a role in supporting the whole drop leg mechanism, and when the orientation of the third unit 3 is dispersed and the angles of the adjacent third units 3 are the same, the third unit 3 has higher mechanical properties and has a more stable structure.

In a further description, the first female end 02 is a hollow portion of the chord tube 05, the cross section of the chord tube 05 is an oval, and the first male end 01 is a cylindrical protrusion with an oval cross section.

When the first male end 01 and the first female end 02 are spliced together, the first male end 01 and the first female end 02 are elliptical, so that mutual rotation between the first male end 01 and the first female end 02 cannot occur, and the stability of the first unit 1 and the second unit 2 which are spliced together is ensured.

In a further description, the fixing manner of the rack 07 and the U-shaped groove 06 is at least one of fixing the rack 07 to the U-shaped groove 06 by gluing the rack 07 to the U-shaped groove 06, or fixing the rack 07 to the U-shaped groove 06 by a bolt penetrating through a side wall of the U-shaped groove 06 and the rack 07.

Whether the pile leg structure is in glued connection or fixed connection through bolts, the installation procedure, the installation cost, the maintenance cost and the service life are superior to those of a welding mode, so that the whole pile leg structure is safer and more reliable.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a spud leg structure of self-elevating ocean structure which characterized in that: comprises a first unit, a second unit and a third unit; two ends of the first unit and the second unit are respectively provided with a first male end and a first female end which can be matched with each other, and racks are symmetrically arranged on two sides of the first unit and the second unit; the middle part of the second unit is provided with a plurality of second male ends, and one end of the columnar third unit is a second female end; the first unit and the second unit are matched with each other through a first male end and a first female end to be in tail connection; the third unit and the second unit are connected in a matched mode through a second male end and a second female end.

2. The leg structure of a jack-up offshore structure according to claim 1, wherein: the equal main part of first unit and second unit is the chord tube, the bilateral symmetry of chord tube is equipped with U type groove, the rack sets up and is fixed in U type inslot.

3. The leg structure of a jack-up offshore structure according to claim 2, wherein: the second unit is symmetrically provided with four second male ends, the four third units are respectively inserted into the second male ends, and the angles formed between every two adjacent third units are the same.

4. The leg structure of a jack-up offshore structure according to claim 2, wherein: the first female end is a hollow part of the chord tube, the cross section of the chord tube is oval, and the first male end is a cylindrical protrusion with an oval cross section.

5. The leg structure of a jack-up offshore structure according to claim 2, wherein: the fixing mode of the rack and the U-shaped groove at least adopts that the rack is connected with the U-shaped groove through gluing, or a bolt penetrates through the side wall of the U-shaped groove and the rack, and the rack is fixed in one of the U-shaped grooves.