CN216842050U

CN216842050U - Wind power generation tower for land wind power generation unit

Info

Publication number: CN216842050U
Application number: CN202121361589.XU
Authority: CN
Inventors: 韩玉; 周党生; 谢峰; 宋彦明; 黄增杰
Original assignee: Suzhou Hewang Electric Co ltd
Current assignee: Suzhou Hewang Electric Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-06-28
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a wind power generation tower for land wind generating set, including wind energy conversion system, a tower section of thick bamboo, fixed baseplate and many stakes, fixed baseplate is connected with a tower section of thick bamboo in the top, is connected with many stakes in the below, and many stakes are whole or most insert the soil of fixed baseplate below on length direction. The wind power generation tower has the advantages of low construction cost, strong anti-toppling performance, high anti-pulling performance, simple construction mode, short period, small occupied land area and the like.

Description

Wind power generation tower for land wind power generation unit

Technical Field

The utility model relates to a wind power generation field especially relates to a wind power generation tower for land wind generating set.

Background

A foundation pit with a certain diameter and depth is dug on the ground, reinforcing steel bars and a fixing support are installed in the foundation pit, concrete pouring is carried out, and finally the foundation pit is buried to obtain an installation tower foundation.

As shown in fig. 1, chinese patent CN200910011261.2 discloses a wind turbine square pressure-bearing grid-embedded wind power generation tower, and the tower footing of the invention is constructed by digging a foundation pit first and then performing concrete construction, and has the disadvantages of large earth excavation amount, long construction period and high cost in construction.

As shown in fig. 2, chinese patent CN200810033781.9 discloses an annular pressure-bearing bottom plate lattice beam type wind power generation tower, which is similar to CN200910011261.2 pressure-bearing type scheme in that a large foundation pit needs to be dug for construction, secondary landfill is needed, and the natural environment around the unit is damaged to some extent.

As shown in fig. 3, chinese patent ZL201910952343.0 discloses a shear key type wind power generation tower, which includes a foundation ring, a flange, and reinforcing steel bars inside and outside the ring, and also requires a large amount of civil engineering work, and the construction cost and period are difficult to reduce.

Therefore, the development of a wind power generation tower with low construction cost, high anti-toppling and anti-pulling performance, simple construction and small occupied area is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a wind power generation tower, this wind power generation tower's construction cost is low, the anti-toppling nature is strong, resistance to plucking is high, and the construction mode is simple, the cycle is short, occupy the wind power generation tower that land area is little.

In order to solve the technical problem, the utility model provides a wind power generation tower for land wind generating set, including wind energy conversion system, a tower section of thick bamboo, fixed baseplate and many stakes, fixed baseplate above with a tower section of thick bamboo is connected, fixed baseplate in the below with many stakes are connected, many stakes are whole or most insert the soil of fixed baseplate below on length direction.

Preferably, the number of the plurality of piles is not less than 3.

Preferably, the pile may be a prefabricated metal member, or a prefabricated reinforced concrete member, or a combination of both a prefabricated metal member and a prefabricated reinforced concrete member, or a cast-in-place reinforced concrete structure.

Preferably, the fixed base can be a prefabricated metal component, or a prefabricated reinforced concrete component, or a combination of both the prefabricated metal component and the prefabricated reinforced concrete component, or a reinforced concrete structure cast in situ.

Preferably, the connection interface of the fixed base and the pile column can be a welding metal surface or a built-in flange member or a reinforced concrete structure.

Preferably, the connection interface of the fixing base and the tower can be a welded metal surface or a built-in flange component.

Preferably, the fixed base may be located wholly or partially below the earth's surface or wholly above the earth's surface.

Preferably, the direction of inserting the plurality of piles into the ground below the fixed base can be vertical downward or downward with a certain inclined angle; the mode that many piles are inserted into the ground can be directly driven into by external force, also can be by rotatory brill of external force.

Preferably, the pile may be a cylindrical metal member or a square metal member or a C-shaped metal member or a cross metal member.

Preferably, the fixed base may be pre-connected with the tower in one piece.

After the structure is adopted, the wind power generation tower for the land wind power generation unit comprises a wind turbine, a tower cylinder, a fixed base and a plurality of pile columns, wherein the fixed base is connected with the tower cylinder at the upper part, the fixed base is connected with the pile columns at the lower part, and all or most of the pile columns are inserted into the land below the fixed base in the length direction. Compared with the wind power generation tower foundation in the prior art, the fixed base of the wind power generation tower can greatly reduce the diameter and the depth of the foundation and a foundation pit and corresponding materials and construction amount, so that the fixed base has the advantages of low construction cost, strong anti-toppling property, high anti-pulling property, simple construction mode, short period, small occupied land area and the like.

Drawings

FIG. 1 is a schematic illustration of a prior art pressure-bearing concrete tower foundation of a wind power tower;

FIG. 2 is a schematic view of a prior art annular pressure-bearing bottom plate lattice beam type wind power tower;

FIG. 3 is a schematic view of a prior art shear key type wind power tower;

FIG. 4 is an overall structural view of the wind power tower of the present invention;

fig. 5 is a structural view of the wind power tower of the present invention, in which the number of the plurality of piles is 3;

FIG. 6 is a structural diagram of the wind power tower of the present invention, wherein the fixed base adopts a reinforced concrete structure cast in situ;

fig. 7 is a structural diagram of the pile of the wind power tower of the present invention using a prefabricated metal member, or a prefabricated reinforced concrete member, or a combination of both the prefabricated metal member and the prefabricated reinforced concrete member;

fig. 8 is a structural diagram of a reinforced concrete structure cast in situ in a pile of the wind power generation tower of the present invention;

fig. 9 is a structural view of the fixing base of the wind power generation tower of the present invention located below the ground surface;

fig. 10 is a structural view of the fixing base part of the wind power generation tower of the present invention below the ground surface;

fig. 11 is a structural view of the fixing base of the wind power tower of the present invention located above the ground surface;

FIG. 12 is a structural diagram of the fixing base of the wind power generation tower of the present invention being a prefabricated metal member;

fig. 13 is a structural view of the utility model in which a plurality of piles of the wind power tower are vertically inserted into the ground below the fixed base;

FIG. 14 is a schematic view of a plurality of piles of the wind power tower of the present invention inserted into the ground below the fixed base at an inclined angle;

fig. 15 is a structural view of the pile column with different cross-sectional shapes adopted by the wind power generation tower of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

FIG. 4 is an overall structural view of a first embodiment of a wind power tower according to the present invention; the wind power generation tower of the embodiment comprises a wind turbine, a tower 11, a fixed base 12 and a plurality of piles 13, wherein the fixed base 12 is connected with the tower 11 at the upper part, the fixed base 12 is connected with the plurality of piles 13 at the lower part, and all or most of the plurality of piles 13 are inserted into the soil 14 below the fixed base 12 in the length direction.

Fig. 5 is a structural view of the wind power tower of the present invention, in which the number of the plurality of piles is 3; in the present embodiment, the number of the plurality of piles 13 is 3.

Fig. 7 is the structure diagram of the pile of the wind power generation tower of the present invention, which is a prefabricated metal component, or a prefabricated reinforced concrete component, or a combination of the prefabricated metal component and the prefabricated reinforced concrete component, in this embodiment, the pile 13 is a prefabricated metal component, or a prefabricated reinforced concrete component, or a combination of the prefabricated metal component and the prefabricated reinforced concrete component.

FIG. 6 is a structural diagram of the wind power tower of the present invention, wherein the fixed base adopts a reinforced concrete structure cast in situ; in this embodiment, the fixed base 12 is a cast-in-place reinforced concrete structure.

Fig. 9 is a structural view of the fixing base of the wind power generation tower of the present invention located below the ground surface; in this embodiment, the fixed base 12 is provided so as to be entirely located below the ground surface.

In this embodiment, the fixed base 12 and the pile 13 are connected by reinforced concrete, and the connection interface between the two is a reinforced concrete structure, that is, the pile 13 is inserted into the fixed base 12, and then the two are connected together by cast-in-place using concrete.

In this embodiment, the fixed base 12 and the tower 11 are connected by a flange connection, and the connection interface between the two is a built-in flange component.

Fig. 13 is a structural view of the utility model in which a plurality of piles of the wind power tower are vertically inserted into the ground below the fixed base; in this embodiment, the direction of insertion of the plurality of piles 13 into the ground 14 below the fixed base 12 may be vertically downward; the mode that many piles are inserted into the ground can be directly driven into by external force, also can be by rotatory brill of external force.

Example two

the second embodiment is based on the first embodiment, except that the pile 13 is a reinforced concrete structure cast in situ, the connection interface between the fixing base 12 and the pile 13 is a reinforced concrete structure, and the connection interface between the fixing base 12 and the tower 11 is a built-in flange member.

EXAMPLE III

Fig. 12 is a structural diagram of the fixing base of the wind power generation tower of the present invention being a prefabricated metal member.

The second embodiment is based on the first embodiment, except that the fixing base 12 is a prefabricated metal component, the connection interface between the fixing base 12 and the pile 13 is a metal welding surface, and the connection interface between the fixing base 12 and the tower 11 is a metal welding surface.

Example four

The fourth embodiment is based on the first embodiment, except that the number of the plurality of piles 13 is 4, the fixing base 12 is a prefabricated metal component, the connection interface between the fixing base 12 and the pile 13 is a built-in flange component, and the connection interface between the fixing base 12 and the tower 11 is a built-in flange component.

EXAMPLE five

The fifth embodiment is based on the first embodiment, except that the fixed base 12 is a prefabricated reinforced concrete member, or the fixed base 12 is a combination of a prefabricated metal member and a prefabricated reinforced concrete member.

EXAMPLE six

FIG. 8 is a view of the structure of the wind power tower with the fixed base part below the ground; the sixth embodiment is based on the first embodiment, except that the fixed base 12 is arranged to be partially below the surface of the earth.

EXAMPLE seven

Fig. 9 is a structural view of the fixing base of the wind power generation tower of the present invention located above the ground surface; the seventh embodiment is based on the first embodiment, except that the fixed base 12 is arranged to be located entirely above the ground surface.

Example eight

In the eighth embodiment, on the basis of the first embodiment, the pile 13 is made of a cylindrical metal member, a square metal member, a C-shaped metal member or a cross-shaped metal member as shown in fig. 15.

Example nine

Fig. 14 is a structural view of the plurality of piles of the wind power generation tower of the present invention inserted into the ground below the fixed base at an inclined angle. The ninth embodiment is based on the first embodiment, except that the number of the plurality of piles 13 is 5 or more, and the plurality of piles 13 are inserted into the ground in a manner of being inclined downward. The mode that many piles are inserted into the ground can be directly driven into by external force, also can be by rotatory brill of external force.

Example ten

In this embodiment, on the basis of the first embodiment, the fixed base 12 may be pre-connected with the tower 11 into a whole.

The utility model discloses a wind power generation tower has that construction cost is low, anti toppling nature is strong, resistance to plucking nature is high, and the construction mode is simple, the cycle is short, occupy advantages such as land area is little.

It should be understood that the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims

1. A wind power generation tower for land wind generating set comprises a wind turbine and a tower barrel, and is characterized in that: the device comprises a tower barrel, a fixing base and a plurality of piles, wherein the tower barrel is arranged above the fixing base; the fixed base is a reinforced concrete structure poured on site; the fixed base is wholly or partially positioned below the ground surface; the direction of inserting the plurality of piles into the ground below the fixed base is downward with a certain inclined angle; the mode that many piles are inserted into the ground relies on external force directly to drive into, or relies on external force rotatory brill to go into.

2. Wind power tower for onshore wind energy installations according to claim 1, characterized in that: the number of the plurality of piles is not less than 3.

3. Wind power tower for onshore wind energy installations according to claim 1, characterized in that the piles are prefabricated metal elements or prefabricated reinforced concrete elements or a combination of both prefabricated metal elements and prefabricated reinforced concrete elements or cast-in-place reinforced concrete structures.

4. The wind power tower for onshore wind energy generation assembly according to claim 1, wherein the connection interface of the fixed foundation and the pile is a welded metal face or a built-in flange member or a reinforced concrete structure.

5. Wind power tower for onshore wind energy installations according to claim 1, characterized in that the connection interface of the fixed base with the tower is a welded metal face or an internal flange component.

6. Wind power tower for onshore wind energy installations according to claim 1, characterized in that said fixed base is pre-connected with the tower as one piece.

7. A wind power tower for an onshore wind power generation unit according to claim 3, characterized in that: the prefabricated metal component of the pile is a cylindrical metal component or a square metal component or a C-shaped metal component or a cross metal component.