CN213139091U

CN213139091U - Annular floating wind power platform

Info

Publication number: CN213139091U
Application number: CN202022034112.2U
Authority: CN
Inventors: 袁威; 施军; 袁华平; 黄卓; 许林叶; 潘玮
Original assignee: Shenzhen Hasby Marine Technology Co Ltd; Shenzhen Haisibi Chinampa Technology Development Co ltd
Current assignee: Shenzhen Hasby Marine Technology Co Ltd; Shenzhen Haisibi Chinampa Technology Development Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to an annular floating wind power platform, include the flotation pontoon and be located the wind generating set of flotation pontoon top, a serial communication port, the flotation pontoon is annular flotation pontoon, the center pin department of flotation pontoon is equipped with and passes the stand of flotation pontoon, just the side of stand pass through the connecting rod with the inside wall of flotation pontoon is connected, a plurality of anchors are connected to the lateral wall of flotation pontoon, the stand top is connected wind generating set, the stand below is equipped with down the submerged body. The utility model provides a brand-new floating foundation adopts annular flotation pontoon structure, and the inside motion that vibrates the pond and be favorable to body vertical direction that forms of annular flotation pontoon makes its wave load and the stream load that bears at sea less, the utility model discloses the structure is symmetrical, and each comes unrestrained ascending load ratio more on average, and it is great to load on certain direction can not appear, is favorable to wind generating set's operation.

Description

Annular floating wind power platform

Technical Field

The utility model relates to an ocean engineering and wind power generation field, specific theory relates to an annular floating wind power platform.

Background

At present, most of domestic offshore wind power projects are located in offshore shallow water areas, and a fixed foundation mode is adopted, namely, a foundation is built through a single pile or a jacket structure and is fixed on a seabed. However, with the development of towns in offshore areas, the space in offshore areas is crowded and the number of offshore wind farms is smaller, so that the resources of offshore wind farms are limited, and people begin to transfer the position of offshore wind farms to deep sea areas with high wind resource density. A wind field is arranged in a deep sea area, and a fixed foundation cannot be continuously adopted due to the fact that the water level is deep, so that a floating foundation is a necessary choice for developing wind power generation in the deep sea area.

The existing offshore floating platform is mostly used in the field of offshore oil and gas production, and the scale, the size, the structure and the economy of the platform are not suitable for offshore wind power generation. Therefore, it is necessary to provide an economical floating platform with small scale and size, simple structure, and stable platform, which can bear the disturbance of sea waves and is suitable for wind power generation in deep sea areas, thereby solving the development need in the field.

The above problems are worth solving.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, the utility model provides an annular floating wind power platform.

The utility model discloses technical scheme as follows:

the utility model provides an annular floating wind power platform, includes the flotation pontoon and is located the wind generating set of flotation pontoon top, a serial communication port, the flotation pontoon is annular flotation pontoon, the center pin department of flotation pontoon is equipped with and passes the stand of flotation pontoon, just the side of stand pass through the connecting rod with the inside wall of flotation pontoon is connected, a plurality of fixed anchors are connected to the lateral wall of flotation pontoon, the stand top is connected wind generating set, the stand below is equipped with the submerged body.

According to above-mentioned scheme the utility model discloses, a serial communication port, wind power generation group includes the fan blade and connects the tower section of thick bamboo of stand top.

According to above-mentioned scheme the utility model discloses, its characterized in that, the height of stand is greater than the height of flotation pontoon, its upper end is passed the upper surface of flotation pontoon, its lower extreme is passed the lower surface of flotation pontoon.

According to above-mentioned scheme the utility model discloses, its characterized in that, the flotation pontoon with be equipped with threely at least between the stand the connecting rod, it is a plurality of connecting rod evenly distributed, and center on the stand is radially.

Furthermore, the connecting rod comprises an upper stay bar and a lower stay bar which are parallel to each other, and the upper stay bar and the lower stay bar are both steel pipes.

Preferably, a plurality of inclined supports are arranged between the upper support rod and the lower support rod and are connected end to end.

According to above-mentioned scheme the utility model discloses, a serial communication port, the set anchor is gravity piece or grabbing power anchor, the set anchor with the connecting rod corresponds the setting.

Furthermore, the fixed anchor is connected to the lower end of the outer side wall of the buoy through a mooring chain, and the mooring chain is a steel mooring chain.

According to above-mentioned scheme the utility model discloses, its characterized in that, the submerged body is the cake form, the diameter of submerged body is greater than the diameter of stand, and is less than the internal diameter of annular flotation pontoon.

According to the above scheme the utility model discloses, its characterized in that, the lower surface of submerged body is equipped with the board that sways.

According to the above scheme the utility model discloses, a serial communication port, the lower surface of flotation pontoon is equipped with the round board that sways.

Furthermore, the heave plate is a steel plate.

According to above-mentioned scheme the utility model discloses, its characterized in that, the flotation pontoon the stand with the dive body is inside hollow airtight structure, and its material is steel or reinforced concrete.

On the other hand, an annular floating wind power platform, includes the flotation pontoon and is located the wind generating set of flotation pontoon top, its characterized in that, the flotation pontoon is annular flotation pontoon one side top fixed connection of annular flotation pontoon wind generating set the inside ballast that is equipped with of opposite side that annular flotation pontoon is relative is used for balancing the flotation pontoon.

According to above-mentioned scheme the utility model discloses, a serial communication port, wind power generation group includes the fan blade and connects the tower section of thick bamboo of flotation pontoon upper surface, a tower section of thick bamboo passes through flange and bolt fastening the upper surface of flotation pontoon.

According to the above scheme the utility model discloses, its beneficial effect lies in:

the utility model provides a brand new floating foundation, which adopts a ring-shaped buoy structure, and a vibration pool is formed inside the ring-shaped buoy to facilitate the vertical movement of the floating body; the circular outer wall surface and the small waterline surface of the annular buoy have the structural characteristics that the wave load and the flow load borne by the annular buoy on the sea are small;

the utility model has a uniform structure, the load in each incoming wave direction is relatively even, the load in one direction is not larger, and the operation of the wind generating set is facilitated;

furthermore, the submerged body penetrating into the water can obviously reduce the integral gravity center of the platform and reduce the influence of the over-high position of the wind turbine generator on the floating platform.

Drawings

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

FIG. 2 is a top view of the first embodiment;

FIG. 3 is a schematic partial structure diagram according to the second embodiment;

FIG. 4 is a schematic partial structure diagram according to a third embodiment;

FIG. 5 is a top view of the third embodiment.

In the figure, 1, a buoy; 2. a column; 3. a submerged body; 4. a wind generating set; 41. a fan blade; 42. a tower drum; 5. a connecting rod; 51. an upper stay bar; 52. a lower stay bar; 53. obliquely supporting; 6. a mooring chain; 7. fixing an anchor; 8. a heave plate; 9. and (4) carrying out ballast.

Detailed Description

For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element, or when an element is referred to as being "connected" to the other element, it can be directly or indirectly secured to the other element.

Example one

As shown in fig. 1 and 2, an annular floating wind power platform comprises a buoy 1 and a wind power generator set 4 located above the buoy 1, wherein the buoy 1 is an annular buoy, a stand column 2 penetrating through the buoy 1 is arranged at a central shaft of the buoy 1, the side surface of the stand column 2 is connected with the inner side wall of the buoy 1 through a connecting rod 5, a plurality of fixed anchors 7 are connected to the outer side wall of the buoy 1, the wind power generator set 4 is connected above the stand column 2, and a lower submersible body 3 is arranged below the stand column 2.

The upright post 2 is positioned at the center of the buoy 1, the height of the upright post is greater than that of the buoy 1, namely the upper end of the upright post 2 penetrates through the upper surface of the buoy 1, and the lower end of the upright post 2 penetrates through the lower surface of the buoy 1, so that the wind generating set and the submerged body can be conveniently installed on the upright post 2. The wind power generation set 4 comprises fan blades 41 and a tower tube 42 connected above the upright post, the fan blades 41 play a role in collecting wind power, and the size of the tower tube 42 is matched with that of the upright post 2, so that the whole body is more tidy and attractive.

The utility model provides a brand-new floating foundation adopts annular flotation pontoon structure, and the inside vibration pond that forms of annular flotation pontoon is favorable to the motion of body vertical direction.

Be equipped with three connecting rod 5 at least between flotation pontoon 1 and the stand 2, in this embodiment, have three connecting rod 5, and three connecting rod 5 evenly distributed is radial around stand 2, and the angle of observing from overlooking the angle, two adjacent connecting rods 5 is 120. Connecting rod 5 is including the last vaulting pole 51 and the lower vaulting pole 52 that are parallel to each other, and goes up vaulting pole 51 and lower vaulting pole 52 and be the steel pipe for connecting rod 5's intensity is high, the quality is light, not only can avoid the floating platform quality overweight, also can guarantee the connection steadiness of floating platform.

Be equipped with a plurality of bearing diagonal 53 between last vaulting pole 51 and lower vaulting pole 52, and a plurality of bearing diagonal 53 end to end, the bearing diagonal of combination together is "W" shape, forms a plurality of triangular structure, has consolidated the structural strength of connecting rod 5, can avoid the violent rupture that rocks and lead to the connecting rod that causes of big stormy waves.

The lower part of the upright post 2 is connected with a lower submerged body 3, the lower submerged body 3 is in a round cake shape, and the diameter of the lower submerged body 3 is larger than that of the upright post and smaller than the inner diameter of the annular buoy. The whole submerged body 3 is positioned under the water surface, so that the whole gravity center of the platform can be obviously reduced, and the influence on the floating platform caused by the overhigh position of the wind generating set 4 is reduced.

Preferably, the buoy 1, the upright post 2 and the submerged body 3 are all of a closed structure with a hollow interior and are made of steel or reinforced concrete.

The waterline is in the middle of the ring pontoon, and only the pontoon 1, the upright post 2, the upper brace 51 and the inclined strut 53 are exposed out of the water, so that the floating platform is of a small water surface structure, has better motion response capability in waves and bears smaller load.

The utility model discloses the circular outer wall face of annular flotation pontoon and the structural feature of little waterline face make its wave load and the stream load that bears at sea less.

The fixing anchor 7 is a gravity block or a holding power anchor, the fixing anchor 7 is arranged corresponding to the connecting rod 5, and the connecting rod is provided with a plurality of groups, then a plurality of fixing anchors corresponding to the connecting rod are arranged, the fixing anchor 7 is connected to the lower end of the outer side wall of the buoy 1 through the mooring chain 6, and preferably, the mooring chain 6 is a steel mooring chain. In this embodiment the annular floating platform is provided with three connecting rods 5, three mooring chains 6, and three anchor anchors 7.

The utility model discloses the structure is symmetrical, and each comes the wave (wind, flows) to the ascending load ratio of side more even, and it is great to load on certain direction can not appear, is favorable to wind generating set's operation.

Example two

As shown in fig. 3, an annular floating wind power platform comprises a floating pontoon 1, a stand column 2, a connecting rod 3, a fixing anchor 7, a wind generating set 4 and a submergence body 3, wherein the concrete connecting structure is the same as that of the first embodiment, a heave plate 8 is arranged on the lower surface of the submergence body 3, the heave plate 8 is also arranged on the lower surface of the floating pontoon 1, and the heave plate is a steel plate with a reinforcing structure and is rigidly connected with the platform, so that the heave and swing amplitude of the floating body can be effectively reduced.

EXAMPLE III

As shown in fig. 4 and 5, the annular floating wind power platform comprises a buoy 1 and a wind generating set 4 located above the buoy 1, wherein the buoy 1 is an annular buoy, the wind generating set 4 is fixedly connected above one side of a ring of the buoy 1, the wind generating set 4 comprises fan blades 41 and a tower cylinder 42 connected to the upper surface of the buoy 1, and preferably, the tower cylinder 42 is connected to the upper surface of the buoy 1 through flanges and bolts.

The annular buoy 1 is of a hollow closed structure, and a heave plate 8 is arranged on the lower surface of the annular buoy 1. The heave plate is a steel plate with a reinforcing structure and is rigidly connected with the platform, so that the heave and swing amplitude of the floating body can be effectively reduced.

The ballast 9 is arranged inside the opposite side of the annular buoy, the weight of the ballast 9 is equal to that of the wind power generation set 4, and the phenomenon that the gravity center of the annular buoy deviates to one side is avoided for balancing the buoy. The floating platform of the embodiment has the advantages of simple structure, more convenient assembly and lower manufacturing cost.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an annular floating wind power platform, includes the flotation pontoon and is located the wind generating set of flotation pontoon top, a serial communication port, the flotation pontoon is annular flotation pontoon, the center pin department of flotation pontoon is equipped with and passes the stand of flotation pontoon, just the side of stand pass through the connecting rod with the inside wall of flotation pontoon is connected, a plurality of fixed anchors are connected to the lateral wall of flotation pontoon, the stand top is connected wind generating set, the stand below is equipped with the submerged body.

2. The annular floating wind power platform of claim 1, wherein at least three connecting rods are disposed between the pontoons and the columns, and the connecting rods are uniformly distributed and radially arranged around the columns.

3. The annular floating wind power platform of claim 2, wherein the connecting rods comprise upper and lower struts parallel to each other, and the upper and lower struts are steel pipes.

4. The annular floating wind power platform according to claim 3, wherein a plurality of diagonal braces are arranged between the upper brace and the lower brace, and the plurality of diagonal braces are connected end to end.

5. The annular floating wind power platform according to claim 1, wherein the anchor is a gravity block or a holding anchor, and the anchor is disposed corresponding to the connecting rod.

6. The annular floating wind power platform of claim 1, wherein the submerged body is in a shape of a circular cake, and a diameter of the submerged body is larger than a diameter of the column and smaller than an inner diameter of the annular pontoon.

7. The annular floating wind power platform of claim 1, wherein the lower surfaces of the pontoons and the submersible body are provided with heave plates.

8. The annular floating wind power platform according to claim 1, wherein the buoys, the columns and the submergence body are all closed structures with hollow interiors and are made of steel or reinforced concrete.

9. The utility model provides an annular floating wind power platform, includes the flotation pontoon and is located the wind generating set of flotation pontoon top, a serial communication port, the flotation pontoon is annular flotation pontoon one side top fixed connection of annular flotation pontoon wind generating set the inside ballast that is equipped with of opposite side that annular flotation pontoon is relative is used for balancing the flotation pontoon.

10. The annular floating wind power platform of claim 9, wherein the wind power generation unit comprises wind blades and a tower connected to the upper surface of the pontoon, and the tower is fixed to the upper surface of the pontoon by a flange and a bolt.