CN115387313A - A lifting leg for a wind power installation ship - Google Patents

Abstract

The invention discloses a lifting pile leg for a wind power installation vessel, which comprises a plurality of pile leg units, wherein the pile leg units can be stacked up and down and detachably installed into an integral pile leg structure; each pile leg unit respectively comprises three chords which are vertically arranged, and two sides of each chord are respectively and correspondingly provided with a vertical rack for mounting a lifting mechanism; and horizontal connecting pipes are correspondingly arranged between adjacent chords in the pile leg unit, and a triangular area is formed in the pile leg through the arranged horizontal connecting pipes. According to the invention, horizontal connecting pipes are respectively arranged at the upper end and the lower end of the three chords of a single pile leg unit, then inclined supporting pipes are correspondingly arranged on the three vertical planes, so that the three chords are integrally arranged from the upper end and the lower end as well as the side surface after arrangement, each chord is provided with a vertical rack for installing a lifting mechanism, when the upper pile leg unit and the lower pile leg unit are in butt joint installation, the upper vertical rack and the lower vertical rack correspond to each other, the installation of the lifting mechanism can be realized, and the device is used for a wind power installation ship.

Description

A lifting leg for a wind power installation ship

technical field

The invention relates to a wind power installation mechanism on the ocean, in particular to a lifting leg for a wind power installation ship.

Background technique

In the prior art, the production and installation of pile legs has always been a focus of attention in the field of offshore wind power installation platform development. However, due to the lack of existing relevant research theories, it is impossible to ensure the multi-characteristics and accuracy of the pile legs during the production and installation process. The complex problems such as control and so on are analyzed and solved in a targeted manner; especially the detachable installation technology of pile legs in the prior art should be the key research object.

For example, the patent document of authorized announcement number: CN 103397622 B discloses "a self-elevating platform leg and its installation method". Legs, the several sections of detachable legs are connected together by flanges; one end of the detachable legs is provided with a first connecting flange, and the other end of the detachable legs is provided with a second connecting flange; The first connecting flange and the second connecting flange are correspondingly provided with several bolt holes; the first connecting flange is provided with positioning pin holes, and the second connecting flange is provided with positioning pins; The grid is placed on the detachable legs; the detachable legs are also provided with lifting lugs; the number of lifting lugs is four, which are symmetrically arranged around the detachable legs.

This technical solution is mainly to realize the function of adjusting the length of the legs of the self-elevating platform according to its own operation needs. For platform towing or shallow water operation, it can increase the safety and reliability of platform operation and save costs. The same kind of detachable legs can be shared between different platforms, which increases the utilization rate of the detachable legs and reduces the cost.

Although the above technical solution also uses segmented leg unit structures for installation, the specific installation is only through the structure at the legs for docking installation, and the internal structure of the legs is not provided with a connecting mechanism for docking installation. It will lead to insufficient overall stability. In addition, the construction difficulty of the prior art is high, the manpower and material resources are all consumed, the construction accuracy is difficult to guarantee, and the assembly is troublesome.

Therefore, in order to solve the above problems, it is necessary to develop a lifting leg for a wind power installation ship that is easy to assemble and has a stable and reliable structure.

Contents of the invention

The purpose of the present invention is to provide a kind of lifting pile leg that is used for wind power installation ship in view of the deficiencies existing in the prior art; Its technical scheme is as follows:

A lifting leg for a wind power installation ship, comprising several leg units, the leg units can be stacked up and down and detachably installed to form an integral leg structure; each leg unit includes three vertical The chords are arranged, and the two sides of each chord are respectively provided with vertical racks for installing the lifting mechanism; and the adjacent chords in the leg unit are also correspondingly installed with horizontal connecting pipes, The set horizontal connecting pipe forms a triangular area inside the leg, and each leg unit is provided with two sets of horizontal connecting pipes, which are respectively arranged at the upper end and the lower end of the leg unit;

There are also oblique connecting pipes installed between two adjacent horizontal connecting pipes in each group of horizontal connecting pipes, and three oblique connecting pipes are arranged on the same group of horizontal connecting pipes. The horizontal connecting pipe forms a hexagonal area inside the leg unit. When the upper and lower two leg units are docked and installed, the positions of the upper and lower horizontal connecting pipes and oblique connecting pipes are also corresponding, and the corresponding horizontal connecting pipes and A reinforcing mechanism is also installed between the oblique connecting pipes.

Further, the installation position of the oblique connecting pipe on the horizontal connecting pipe is set so that the hexagonal area formed by the oblique connecting pipe and the horizontal connecting pipe is a regular hexagonal area, and the lengths of the three oblique connecting pipes are the same.

Further, the reinforcement mechanism includes welded pipes at both ends and a reinforcement plate in the middle; when the two leg units are butted up and down, the positions of the upper and lower regular hexagonal areas also correspond to each other, and the reinforcement mechanism is provided with a total of Six groups, respectively installed on the six sides of the regular hexagonal area; one end of the welded pipes at both ends of the reinforcement mechanism is set on the horizontal connecting pipe and the oblique connecting pipe fixed on the top, and the welded pipe at the other end is set on the corresponding lower horizontal connection pipes and diagonal connection pipes.

Further, openings are provided on the welded pipes at both ends of the reinforcing mechanism, and the reinforcing plate in the middle is set as a reinforcing plate with a telescopic function. The welded pipes can be fitted on the connecting pipes from the openings accordingly, and then welded and fixed.

Further, each leg unit is also equipped with cross-crossing oblique support tubes in the vertical plane; each leg unit is provided with three vertical planes, and each vertical plane is provided with cross-crossing oblique support pipes. to the support tube.

Further, connecting steel plates are installed between the upper and lower adjacent chords in the leg unit, and the connecting steel plates and the ends of the chords are also provided with corresponding mounting holes, through which the mounting holes are correspondingly installed and fixed. parts; and a water diversion pipe is also installed in the regular hexagonal area.

Beneficial effects: the present invention has the following beneficial effects:

(1) The integral leg structure of the present invention is arranged to be made of a plurality of leg units, and a plurality of leg units are stacked and installed up and down; firstly, the stability of a single leg unit in the present invention is relatively high, and a single leg unit The three chords are installed with horizontal connecting pipes at the upper and lower ends, and then correspondingly installed with oblique support pipes on the three vertical planes. After this setting, the three chords are installed as a whole from the upper and lower ends and the side, and Each chord is equipped with a vertical rack for installing the lifting mechanism. When the upper and lower leg units are docked and installed, the positions of the upper and lower vertical racks correspond to each other, which can realize the installation of the lifting mechanism and is used for wind power installation ships;

(2) In the present invention, in addition to setting the horizontal connecting pipes, oblique connecting pipes are also arranged between adjacent horizontal connecting pipes to further strengthen the stability of the overall structure. The internal setting of the unit forms a hexagonal area, and it is a regular hexagonal area. After the setting, the six sides of the regular hexagonal area are composed of three horizontal connecting pipes and three oblique connecting pipes, which are used for subsequent reinforcement. The installation of the mechanism provides a foundation and improves the stability of the overall structure;

(3) In the present invention, since the horizontal connecting pipe and the oblique connecting pipe are arranged on the upper end and the lower end of the leg unit, after the two leg units are stacked, the positions of the upper and lower hexagonal regions are corresponding, so it can be A reinforcement mechanism is installed between the upper and lower corresponding horizontal connecting pipes and oblique connecting pipes; the reinforcement mechanism is to set a reinforcement plate in the middle, and a welded pipe is arranged at the upper and lower ends of the reinforcement plate, and an opening is set on the welded pipe. When installing, open from the upper end Insert the connecting pipe at the upper end, and insert the connecting pipe at the lower end from the opening at the lower end. At the same time, the reinforcement plate in the middle can be set as a spring plate body structure to adapt to the length. After the assembly is completed, the welded pipe can be fixed by welding. In this way, the fixing mechanism is welded and installed on the six sides of the hexagonal area inside the leg unit, so that the position of the leg unit stacked up and down will be more stable, not only through the chord The butt joint installation and fixation between them can also be fixed by the butt joint connection between the upper and lower horizontal connecting pipes and oblique connecting pipes, the upper and lower structures are very stable and reliable;

(4) In the butt joint installation of the leg unit in the present invention, the foundation installation is still completed through the butt joint installation of the three chords in the leg unit. Mounting holes are set on the steel plate, and the upper and lower chords are butt-fixed by installing the fixing parts in the mounting holes, and the structure of the reinforcing mechanism is more stable; in addition, the present invention sets the water diversion pipe in the regular hexagonal area to cooperate with the wind power installation ship use.

Description of drawings

Fig. 1 is a structural diagram of the present invention;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is a view from direction B in Fig. 1 .

Detailed ways

The present invention will be further illustrated below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in Figure 1, Figure 2 and Figure 3, a lifting leg for a wind power installation ship includes several leg units 1, and the leg units 1 can be stacked up and down and detachably installed to form an integral pile Leg structure; each leg unit 1 includes three vertically arranged chords 2, and both sides of each chord 2 are respectively provided with a vertical rack 3 for installing a lifting mechanism; and the pile Between the adjacent chords 2 in the leg unit 1, horizontal connecting pipes 4 are correspondingly installed. The horizontal connecting pipes 4 form a triangular area inside the legs, and each leg unit 1 is provided with two sets of horizontal connecting pipes. The pipe 4 is respectively provided at the upper end and the lower end of the leg unit 1 .

Each leg unit 1 is also equipped with cross-crossing oblique support tubes 11 in the vertical plane; each leg unit 1 is provided with three vertical planes, and each vertical plane is provided with cross-crossing to the support tube 11.

The integral leg structure of the present invention is set to be made up of a plurality of leg units, and a plurality of leg units are stacked and installed up and down; firstly, the stability of a single leg unit in the present invention is relatively high, and the three legs of a single The chords are installed with horizontal connecting pipes at the upper and lower ends, and then correspondingly installed with oblique support pipes on the three vertical planes. After this setting, the three chords are installed as a whole from the upper and lower ends and the side, and each chord The poles are equipped with vertical racks for installing the lifting mechanism. When the upper and lower leg units are docked and installed, the positions of the upper and lower vertical racks correspond to each other, which can realize the installation of the lifting mechanism and be used for wind power installation ships.

An oblique connecting pipe 5 is also installed between two adjacent horizontal connecting pipes 4 in each group of horizontal connecting pipes 4, and three oblique connecting pipes 5 are arranged on the horizontal connecting pipes 4 of the same group. The connecting pipe 5 and the three horizontal connecting pipes 4 form a hexagonal area 6 inside the leg unit 1. When the upper and lower two leg units 1 are butted and installed, the upper and lower horizontal connecting pipes 4 and the oblique connecting pipes 5 The positions are also corresponding, and a reinforcing mechanism 7 is installed between the horizontal connecting pipe 4 and the oblique connecting pipe 5 corresponding up and down.

Set the installation position of the oblique connecting pipe 5 on the horizontal connecting pipe 4, so that the hexagonal area 6 formed by the oblique connecting pipe 5 and the horizontal connecting pipe 4 is a regular hexagonal area 6, and the lengths of the three oblique connecting pipes 5 are consistent .

In the present invention, in addition to setting horizontal connecting pipes, oblique connecting pipes are also arranged between adjacent horizontal connecting pipes to further strengthen the stability of the overall structure. The setting forms a hexagonal area, and it is a regular hexagonal area. After the setting, the six sides of the regular hexagonal area are composed of three horizontal connecting pipes and three oblique connecting pipes, which are necessary for the installation of the subsequent reinforcement mechanism. Provide the foundation and improve the stability of the overall structure.

The reinforcing mechanism 7 includes welded pipes 8 at both ends and a reinforcing plate 9 in the middle; when the two leg units 1 are butted up and down, the positions of the regular hexagonal regions 6 above and below also correspond to each other, and the reinforcing mechanism has a total There are six groups installed on the six sides of the regular hexagonal area 6 respectively; one end of the welded pipe 8 at both ends of the reinforcement mechanism is set and fixed on the upper horizontal connecting pipe 4 and the oblique connecting pipe 5, and the other end of the welded pipe 8 is set On the corresponding lower horizontal connecting pipe 4 and oblique connecting pipe 5 .

The welded pipes 8 at both ends of the reinforcing mechanism are also provided with openings 10, and the reinforcing plate 9 in the middle is set as a reinforcing plate 9 with a telescopic function, and the welded pipes 8 can be set on the connecting pipes from the openings 10 accordingly, and then welded fixed.

In the present invention, since the horizontal connecting pipe and the oblique connecting pipe are arranged at the upper end and the lower end of the leg unit, after the two leg units are stacked, the positions of the upper and lower hexagonal regions are corresponding, and then the upper and lower corresponding A reinforcement mechanism is installed between the horizontal connection pipe and the oblique connection pipe; the reinforcement mechanism is to set a reinforcement plate in the middle, and a welded pipe is arranged at the upper and lower ends of the reinforcement plate, and an opening is set on the welded pipe. During specific installation, insert the upper end from the upper end opening The connecting pipe at the lower end is inserted into the connecting pipe at the lower end. At the same time, the reinforcing plate in the middle can be set into a spring plate structure to adapt to the length. After the assembly is completed, the welding pipe can be welded and fixed on the connecting pipe by welding. , so that the six sides of the hexagonal area inside the leg unit are welded and installed, so that the position of the leg units stacked up and down will be more stable, not only through the butt joint between the chords The installation is fixed, and the upper and lower horizontal connecting pipes and oblique connecting pipes can also be docked and fixed. The upper and lower structures are very stable and reliable.

Connecting steel plates 12 are also installed between the upper and lower adjacent chords 2 in the leg unit 1, and the ends of the connecting steel plates 12 and the chords 2 are also provided with corresponding mounting holes 13, and through the mounting holes 13 corresponds to the installation of the fixture; and the said regular hexagonal area 6 is also installed with a water diversion pipe.

In the butt installation of the leg unit in the present invention, the foundation installation is still completed through the butt installation of the three chords in the leg unit. Installing the mounting hole, installing the fixing piece in the mounting hole will fix the corresponding upper and lower chords, and the structure of the reinforcing mechanism is more stable; in addition, the present invention arranges the water diversion pipe in the regular hexagonal area, which is used in conjunction with the wind power installation ship.

The specific implementation described above is only a preferred embodiment of the present invention, and is not used to limit the implementation of the present invention and the scope of the claims. All equivalent changes and modifications made according to the content of the patent protection scope of the present invention should be included in the Within the scope of the patent application of the present invention.

Claims (6)

1. A promotion spud leg for wind power installation ship which characterized in that: the pile leg structure comprises a plurality of pile leg units (1), wherein the pile leg units (1) can be stacked up and down and detachably installed to form an integral pile leg structure; each pile leg unit (1) respectively comprises three chords (2) which are vertically arranged, and two sides of each chord (2) are respectively and correspondingly provided with a vertical rack (3) for mounting a lifting mechanism; horizontal connecting pipes (4) are correspondingly arranged between adjacent chords (2) in the pile leg units (1), a triangular area is formed inside the pile leg through the arranged horizontal connecting pipes (4), and each pile leg unit (1) is provided with two groups of horizontal connecting pipes (4) which are respectively arranged at the upper end and the lower end of the pile leg unit (1);

still install slant connecting pipe (5) between two adjacent horizontal connecting pipe (4) in every group horizontal connecting pipe (4), be provided with three slant connecting pipe (5) on horizontal connecting pipe (4) of same group altogether, three slant connecting pipe (5) and three horizontal connecting pipe (4) form hexagon region (6) in the inside of spud leg unit (1), when two spud leg units (1) of upper and lower side butt joint installation, the position of upper and lower horizontal connecting pipe (4) and slant connecting pipe (5) corresponds equally, and still install reinforcing mechanism (7) between horizontal connecting pipe (4) and the slant connecting pipe (5) that correspond from top to bottom.

2. A lifting leg for a wind power installation vessel according to claim 1, characterised in that: the installation position of the oblique connecting pipe (5) on the horizontal connecting pipe (4) is set, so that a hexagonal area (6) formed by the oblique connecting pipe (5) and the horizontal connecting pipe (4) is a regular hexagonal area (6), and the lengths of the three oblique connecting pipes (5) are consistent.

3. A lifting leg for a wind power installation vessel according to claim 2, characterised in that: the reinforcing mechanism (7) comprises welding pipes (8) at two ends and a reinforcing plate (9) in the middle; when the two pile leg units (1) are installed in a vertically butted mode, the positions of the upper and lower regular hexagonal areas (6) are corresponding to each other, and six groups of reinforcing mechanisms are arranged on six edges of the regular hexagonal areas (6) respectively; one end of each welding pipe (8) at the two ends of the reinforcing mechanism is sleeved and fixed on the upper horizontal connecting pipe (4) and the upper oblique connecting pipe (5), and the other end of each welding pipe (8) is sleeved on the corresponding lower horizontal connecting pipe (4) and the corresponding lower oblique connecting pipe (5).

4. A lifting leg for a wind power installation vessel according to claim 3, characterised in that: still be provided with opening (10) on welding pipe (8) at strengthening mechanism both ends, and reinforcing plate (9) in the middle of just setting up as reinforcing plate (9) that have flexible function, welding pipe (8) can be correspondingly from opening (10) suit on the connecting pipe, later welded fastening.

5. A lifting leg for a wind power installation vessel according to claim 1, characterised in that: each pile leg unit (1) is also provided with a crisscross inclined supporting tube (11) in a vertical plane; each pile leg unit (1) is provided with three vertical planes, and each vertical plane is internally provided with a crossed inclined supporting pipe (11).

6. A lifting leg for a wind power installation vessel according to claim 4, characterised in that: connecting steel plates (12) are further mounted between the top and bottom adjacent chords (2) in the pile leg unit (1), mounting holes (13) corresponding in position are further formed in the end portions of the connecting steel plates (12) and the chords (2), and fixing pieces are correspondingly mounted through the mounting holes (13); and a water conduit is also arranged in the regular hexagon area (6).

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