CN216894746U

CN216894746U - Floating type wind generating set cabin connecting piece structure

Info

Publication number: CN216894746U
Application number: CN202123163911.0U
Authority: CN
Inventors: 余秀强; 苏联发
Original assignee: MingYang Smart Energy Group Co Ltd
Current assignee: MingYang Smart Energy Group Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-05
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an engine room connecting piece structure of a floating type wind generating set, wherein the engine room connecting piece is of a shell structure with a hollow interior, and the surface of the engine room connecting piece is a continuous smooth curved surface; the top of the connecting rod is provided with an interface used for being connected with the engine room; the bottom of the floating wind generating set is provided with another interface which is used for connecting with an inclined tower frame of the floating wind generating set; the connector at the top of the floating wind generating set and the connector at the bottom of the floating wind generating set form an included angle with a specific size so as to ensure that the central shaft of the main machine of the floating wind generating set is in a horizontal state after all parts are installed. The cabin connecting piece provided by the utility model can ensure that the existing main machine and impeller can be directly matched and installed on the inclined tower frame of the floating wind generating set under the condition of keeping most of design schemes, the requirements of modularization and design universality are realized, meanwhile, the guy cable and related equipment of a space tensioning system are more simply and conveniently hoisted, the design cost of the main machine and the hoisting cost of the guy cable are reduced, and the cabin connecting piece has obvious economic advantages.

Description

Floating type wind generating set cabin connecting piece structure

Technical Field

The utility model relates to the technical field of floating wind generating sets, in particular to an engine room connecting piece structure of a floating wind generating set.

Background

With the adjustment of the world energy pattern and the development of wind power technology, the offshore wind power is rapidly developed in the last ten years. In view of the advantages of larger applicable water depth range, low installation cost, easy removal, small influence on the life of residents and the like of the floating wind generating set, more and more offshore wind power projects are developing the research of the floating wind generating set in recent years.

At present, more than 30 floating wind generating sets concepts exist all over the world, and the concepts are mainly divided into the following types: semi-submersible (Semi) foundations, Spar (Spar) foundations, Tension Leg (TLP) foundations, Barge (Barge) foundations, hybrid concepts, etc. The semi-submersible type, the single column type and the tension leg type are three mainstream forms in the research and development of the floating wind generating set, and all the forms are also applied.

The floating wind generating set foundation is mostly similar to a movable offshore oil platform, but due to the higher requirement of the wind generating set on cost control and the more complex load effect, the floating wind generating set foundation design provides higher requirement than the movable offshore oil platform, different floating foundation structure schemes require the host machine to be redesigned to adapt to the implementation of the whole scheme, so that the design and manufacturing cost of the floating wind generating set is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a safe and reliable engine room connecting piece structure of a floating wind generating set, so that the existing main machine and impeller can be directly matched and installed on an inclined tower frame of the floating wind generating set under the condition of keeping most of design schemes, the requirements of modularization and design universality are met, and the hoisting scheme is simpler and more economical.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: the cabin connecting piece structure of the floating wind generating set is of a shell structure with a hollow interior, and the surface of the cabin connecting piece structure is a continuous smooth curved surface; the top of the connecting rod is provided with an interface used for being connected with the engine room; the bottom of the floating wind generating set is provided with another interface which is used for connecting with an inclined tower frame of the floating wind generating set; the connector at the top of the floating wind generating set and the connector at the bottom of the floating wind generating set form an included angle with a specific size so as to ensure that the central shaft of the main machine of the floating wind generating set is in a horizontal state after all parts are installed.

Further, the cross-sectional shape and size of the interface at the top of the nacelle connector are consistent with the interface at the bottom of the nacelle.

Furthermore, the interface section at the bottom of the cabin connecting piece is an airfoil section, an oval section or a circular section, and is consistent with the section of the connected inclined tower frame.

Further, the interface axis at the bottom of the nacelle connector is coaxial with the leaning tower.

Further, the interface at the top of the cabin connecting piece is a flange interface.

Further, the interface at the bottom of the cabin connecting piece is a flange interface.

Furthermore, a plurality of first bosses for a space tensioning system of the floating wind generating set are arranged outside the cabin connecting piece and used for installing and fixing a guy cable and a pre-tightening tensioning device of the space tensioning system.

Furthermore, a plurality of second bosses used for installing an internal platform and a ladder stand are arranged inside the engine room connecting piece, and an installing and supporting interface is provided for an installing and maintaining platform installed inside, so that maintenance personnel can smoothly reach the inside of the main machine from the inclined tower frame.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the cabin connecting piece provided by the utility model can ensure that the existing main machine and impeller can be directly matched and installed on the inclined tower frame of the floating wind generating set under the condition of keeping most of design schemes, the requirements of modularization and design universality are realized, and meanwhile, the guy cable and related equipment of a space tensioning system can be more simply and conveniently hoisted, so that the design cost of the main machine and the hoisting cost of the guy cable are reduced, the cabin connecting piece has obvious economic advantages, and is worthy of popularization.

Drawings

Fig. 1 is a schematic view of a part of the structure of a floating wind turbine generator system (including a nacelle, nacelle connectors, and a pylon).

FIG. 2 is a schematic view of the cross-sectional shape and size of the top and bottom interfaces of the nacelle connector.

FIG. 3 is a schematic view of an included angle between top and bottom interfaces of a nacelle coupler.

FIG. 4 is a view of the inside and outside bosses of the nacelle adapter.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.

The embodiment discloses a float formula wind generating set includes at least: the system comprises a floating foundation, two inclined towers, two fans and a space tensioning system. As shown in fig. 1, in the present embodiment, a nacelle connecting member 1 is provided, which is located between an oblique tower 2 and a nacelle 3 and is used for connecting and fixing the two, specifically, the nacelle connecting member 1 is a hollow shell structure, the surface of which is a continuous smooth curved surface, the top of which is formed with a flange interface for connecting with the nacelle 3, and the bottom of which is formed with another flange interface for connecting with the oblique tower 2; the nacelle requires no or only a small degree of structural adjustment compared to existing offshore-type designs. The nacelle connector 1 can be assembled with the oblique tower 2 first, and the flange interface at the top provides a large operating space for the hoisting operation of the equipment inside the nacelle connector.

As shown in fig. 2, in the present embodiment, the cross section of the flange joint at the top of the nacelle connector 1 is the same as the cross section of the joint at the bottom of the nacelle, and is a circular cross section; the section of the flange interface at the bottom of the tower is consistent with the section of the inclined tower and is an airfoil (or called a water drop type) section.

As shown in fig. 3, an included angle of 44 ° is formed between the flange interface at the top of the nacelle connector 1 and the flange interface at the bottom thereof, so as to ensure that the top flange surface is in a horizontal state after installation, and the host is in a horizontal installation posture; the flange interface axis at the bottom of the cabin connecting piece 1 is coaxial with the inclined tower, so that the problem that the stress mutation exceeds the limit due to different axes is avoided.

As shown in fig. 3 and 4, the exterior of the cabin connecting piece 1 is provided with three first bosses 1-1 for a space tensioning system, the three bosses have different angle directions, and the three bosses are used for installing and fixing a guy cable and a pretensioning tensioning device of the tensioning system.

As shown in fig. 4, a plurality of second bosses 1-2 for mounting an internal platform and a ladder are arranged inside the nacelle connector 1, so as to provide mounting and supporting interfaces for mounting a maintenance platform inside, and enable maintenance personnel to freely reach the inside of the main machine from the inclined tower and perform fixed-inspection on the fasteners of the flange interfaces at the top and the bottom of the nacelle connector 1.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. The engine room connecting piece structure of the floating type wind generating set is characterized in that the engine room connecting piece is of a shell structure with a hollow interior, and the surface of the engine room connecting piece is a continuous smooth curved surface; the top of the connecting rod is provided with an interface used for being connected with the engine room; the bottom of the floating wind generating set is provided with another interface which is used for connecting with an inclined tower frame of the floating wind generating set; the connector at the top of the floating wind generating set and the connector at the bottom of the floating wind generating set form an included angle with a specific size so as to ensure that the central shaft of the main machine of the floating wind generating set is in a horizontal state after all parts are installed.

2. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: the shape and the size of the cross section of the interface at the top of the cabin connecting piece are consistent with those of the interface at the bottom of the cabin.

3. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: the interface section at the bottom of the cabin connecting piece is an airfoil section, an oval section or a circular section, and is consistent with the section of the connected inclined tower frame.

4. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: and the interface axis at the bottom of the cabin connecting piece is coaxial with the inclined tower.

5. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: and the interface at the top of the cabin connecting piece is a flange interface.

6. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: and the interface at the bottom of the cabin connecting piece is a flange interface.

7. The nacelle connecting member structure of a floating wind turbine according to claim 1, wherein: and a plurality of first bosses for a space tensioning system of the floating wind generating set, a guy cable for installing and fixing the space tensioning system and a pre-tightening tensioning device are arranged outside the cabin connecting piece.

8. The floating wind turbine generator system nacelle connector structure of claim 1, wherein: the cabin connecting piece is internally provided with a plurality of second bosses for installing an internal platform and a crawling ladder, and an installing and supporting interface is provided for installing a maintenance platform in the cabin connecting piece, so that maintenance personnel can smoothly reach the inside of the main machine from the inclined tower frame.