CN214063215U

CN214063215U - Vertical axis wind turbine blade support

Info

Publication number: CN214063215U
Application number: CN202022920545.8U
Authority: CN
Inventors: 李和良; 吴伟明; 陈幸
Original assignee: Zhuji H&c Hiest Motor Co ltd
Current assignee: Zhuji H&c Hiest Motor Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-27
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a vertical axis aerogenerator blade support, support main part and blade fixed plate including integrated into one piece, be equipped with a plurality of first mounting holes in the support main part, be equipped with a plurality of second mounting holes on the blade fixed plate, the whole punching press of support main part is bent and is formed first plane portion, first portion of bending, second portion of bending and second plane portion, first portion of bending and second portion of bending are asymmetric structure, the first contained angle of first plane portion and first portion of bending is not less than 135, the second contained angle of second portion of bending and second plane portion is not more than 135, first portion of bending and second portion of bending are mutually perpendicular. To current vertical axis aerogenerator blade support poor stability's technical problem, the utility model provides a vertical axis aerogenerator blade support, it adopts panel integration punching to bend and forms, has characteristics such as the product uniformity is good, light in weight, intensity is big, the windage is little.

Description

Vertical axis wind turbine blade support

Technical Field

The utility model relates to a vertical axis aerogenerator spare part technical field, concretely relates to vertical axis aerogenerator blade support.

Background

The vertical axis wind driven generator has blades connected to the main body via the support, and the blades capture wind energy and start to rotate. Although the fan blade support is a small part compared with a fan as a whole, the fan blade support has great influence on the installation angle of the fan blade, the wind energy conversion efficiency, the rotation balance and the batch production consistency and interchangeability, and is very important.

Traditional support adopts and welds after the square tube cutting and forms, can bring following defect and not enough like this:

1. support side pipe is when the unloading, because artificial error can cause different in size, and the fan blade support of making has the error, leads to the unable unity of installation back fan blade angle, directly influences the wind energy utilization ratio of fan.

2. When the support square tube is welded, because the welding surface is more, and the wall of the square tube is thin, the phenomenon that the welding strength is insufficient or the square tube is welded through can appear. There is very big potential safety hazard to the normal use of fan, has the fracture of scaffold weldment department under the extreme weather, leads to the risk of fan damage to take place.

3. Because the fan blade support adopts square pipe welding to form, there is the gap at the junction of support and fan blade, rainwater (acid rain) can flow in the square pipe from the gap, often corrodes square intraduct in the past, and the square pipe intensity after the corruption is not enough, has very big potential safety hazard under the external force of meeting or extreme weather condition.

4. The square tube structure has a large windward side and a large leeward side, and wind resistance can be generated during rotation, so that the utilization of the whole wind energy is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To current vertical axis aerogenerator blade support poor stability's technical problem, the utility model provides a vertical axis aerogenerator blade support, it adopts panel integration punching to bend and forms, has characteristics such as the product uniformity is good, light in weight, intensity is big, the windage is little.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a vertical axis aerogenerator blade support, includes integrated into one piece's support main part and blade fixed plate, be equipped with a plurality of first mounting holes in the support main part, be equipped with a plurality of second mounting holes on the blade fixed plate, the whole punching press of support main part is bent and is formed first plane portion, first portion of bending, second portion of bending and second plane portion, first portion of bending and second portion of bending are asymmetric structure, the first contained angle of first plane portion and first portion of bending is not less than 135, the second contained angle of second portion of bending and second plane portion is not more than 135, first portion of bending and second portion of bending are mutually perpendicular.

Optionally, the support main body is provided with a bending notch at the adjacent end of the first bending part, the second bending part and the blade fixing plate.

Optionally, the included angle between the bracket main body and the blade fixing plate ranges from 45 degrees to 135 degrees.

Optionally, the included angle between the bracket main body and the blade fixing plate is 90 °.

Optionally, the junction of support main part and blade fixed plate is equipped with first bending line, the junction of first plane portion and first bending portion has and is equipped with the second bending line, the junction of first bending portion and second bending portion has and is equipped with the third bending line, the junction of second bending portion and second plane portion has and is equipped with the fourth bending line.

Alternatively, the second, third and fourth bending lines may be parallel to each other or disposed at an included angle of not more than 30 °.

Optionally, each bending part is provided with a transition fillet with R0.5 or more.

Optionally, the material of the blade support of the vertical axis wind turbine is one of iron, aluminum or stainless steel.

Optionally, the surface of the blade support of the vertical axis wind turbine is provided with a protective layer.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the vertical axis wind turbine blade support is formed by integrally punching and bending plates, and has the characteristics of good product consistency, light weight, high strength, small wind resistance and the like;

(2) the blade support of the vertical axis wind driven generator adopts the end face of the first bending part with larger gradient as the windward side, so that the wind resistance on the rotation of the first bending part can be reduced.

(3) The first bending part and the second bending part in the vertical axis wind driven generator blade support are perpendicular to each other, and when the first bending part is subjected to wind resistance, the second bending part can provide a good supporting effect for the first bending part, so that the first bending part has stronger wind resistance, and the support can stably rotate together with the blades.

Drawings

Fig. 1 is a schematic structural diagram of a vertical axis wind turbine blade support according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a bracket main body in a blade bracket of a vertical axis wind turbine according to an embodiment of the present invention;

fig. 3 is an expanded schematic view of a blade support of a vertical axis wind turbine according to an embodiment of the present invention.

1. A stent body; 1a, a first mounting hole; 2. a blade fixing plate; 2a, a second mounting hole; 3. a first planar portion; 4. a first bending portion; 5. a second bending portion; 6. a second planar section; 7. bending the notch; 8. a first bend line; 9. a second bend line; 10. a third bend line; 11. a fourth bend line.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings 1-3.

With reference to fig. 1-3, the blade support of the vertical axis wind turbine of the present embodiment includes a support main body 1 and a blade fixing plate 2, which are integrally formed, an included angle between the support main body 1 and the blade fixing plate 2 ranges from 45 ° to 135 °, the support main body 1 is provided with a plurality of first mounting holes 1a, the first mounting holes 1a are 2 or more than 2 through holes disposed at a distal end of the support main body 1, and are used to connect the support main body 1 to a generator end cover or a rotating shaft supporting disk, the blade fixing plate 2 is provided with a plurality of second mounting holes 2a, the second mounting holes 2a are 1 or more than 1 groove-shaped fixing holes disposed at two sides of the blade fixing plate 2, and are used to connect the blade to the blade fixing plate 2, the support main body 1 includes a first plane portion 3, a first bending portion 4, a second bending portion 5, and a second plane portion 6, which are sequentially connected, first plane portion 3, first portion of bending 4, the second portion of bending 5 and the second plane portion 6 are bent by the whole punching press of support main part 1 and are formed, and support main part 1 is thin shape sheet metal, first portion of bending 4 and the second portion of bending 5 are asymmetric structure, first plane portion 3 and the first contained angle a of the portion of bending 4 are not less than 135, the terminal surface of the portion of bending 4 is the windward side, the second contained angle b of the portion of bending 5 and the second plane portion 6 of bending is not more than 135, the terminal surface of the second plane portion 6 is leeward side, first portion of bending 4 and the 5 looks verticalities of the second portion of bending.

In this embodiment, the first included angle a is 160 °, and the second included angle b is 100 °.

The vertical axis wind turbine blade support is formed by integrally punching and bending plates, and has the characteristics of good product consistency, light weight, high strength, small wind resistance and the like; the end face of the first bending part 4 with larger inclination serves as a windward side, so that the wind resistance on the rotation of the first bending part 4 can be reduced; first portion of bending 4 and the 5 looks verticals of second portion of bending, when first portion of bending 4 received the windage, second portion of bending 5 can provide good supporting effect for first portion of bending 4, makes it have stronger anti-wind ability to make this support can be stable rotate with the blade together.

As the utility model discloses an alternative, the end that closes on that is located first portion of bending 4, the second portion of bending 5 and blade fixed plate 2 on the support main part 1 is equipped with the breach 7 of bending, when bending first portion of bending 4 and the second portion of bending 5, the position on the line of bending that is in first portion of bending 4 and the second portion of bending 5 on the blade fixed plate 2 also can take place to buckle, when the blade fixed plate 2 of buckling, the position of buckling on the blade fixed plate 2 can move towards support main part 1 direction, can prevent through the setting up of the breach 7 of bending that this position of buckling from taking place direct collision with first portion of bending 4 and the 5 portions of bending of second.

As the utility model discloses an alternative, the contained angle 90 of support main part 1 and blade fixed plate 2, after the blade was installed on blade fixed plate 2, 90 contained angles of support main part 1 and blade fixed plate 2 made blade fixed plate 2 to realize supporting to heavier blade.

As the utility model discloses an alternative, the junction of support main part 1 and blade fixed plate 2 is equipped with first bending line 8, the junction of first plane portion 3 and first bending portion 4 has and is equipped with second bending line 9, the junction of first bending portion 4 and second bending portion 5 has and is equipped with third bending line 10, the junction of second bending portion 5 and second plane portion 6 has and is equipped with fourth bending line 11, through the setting of the above-mentioned each bending line, when bending process goes on, is convenient for fix a position each bending position, guarantees to bend fashioned support meet the requirements.

As the utility model discloses an alternative, second line 9, third line 10 and the fourth line 11 of bending can be parallel to each other or be and be not more than 30 contained angles settings, in this embodiment, second line 9, third line 10 and the fourth line 11 of bending are the state that is parallel to each other.

As the utility model discloses an alternative, each department of bending all is equipped with the transition fillet more than R0.5 for the dog-ear department on the support surface after the shaping is comparatively mellow and full, can reduce the potential safety hazard when operating personnel installs.

As the utility model discloses an alternative, the material of vertical axis aerogenerator blade support is one of iron, aluminium or stainless steel, in this embodiment, the material of vertical axis aerogenerator blade support is the stainless steel, and vertical axis aerogenerator blade support is thickness 3-8 mm's corrosion resistant plate before the shaping, according to the die-cut or laser cutting processing of expansion drawing earlier, after getting rid of deckle edge, reuse stamping die suppression or bend into like the shape that the cross-sectional drawing shows, it can to bend blade fixed plate 2 along first line 8 of bending again.

As the utility model discloses an alternative, vertical axis aerogenerator blade support surface has the inoxidizing coating, and the inoxidizing coating accessible is electroplated, surface treatment modes such as electrophoresis, plastic-blasting or spray paint cover in the anticorrosive coating on support surface.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A vertical axis wind turbine blade support characterized in that: support subject and blade fixed plate including integrated into one piece, be equipped with a plurality of first mounting holes in the support subject, be equipped with a plurality of second mounting holes on the blade fixed plate, the whole punching press of support subject is bent and is formed first plane portion, first portion of bending, second portion of bending and second plane portion, first portion of bending and second portion of bending are asymmetric structure, the first contained angle of first plane portion and first portion of bending is not less than 135, the second contained angle of second portion of bending and second plane portion is not more than 135, first portion of bending and second portion of bending are mutually perpendicular.

2. A vertical axis wind turbine blade support according to claim 1, wherein: bending notches are formed in the adjacent ends, located on the first bending portion, the second bending portion and the blade fixing plate, of the support body.

3. A vertical axis wind turbine blade support according to claim 1, wherein: the included angle range of the bracket main body and the blade fixing plate is 45-135 degrees.

4. A vertical axis wind turbine blade support according to claim 3, wherein: the included angle of the bracket main body and the blade fixing plate is 90 degrees.

5. A vertical axis wind turbine blade support according to claim 1, wherein: the junction of support main part and blade fixed plate is equipped with first bending line, the junction of first plane portion and first bending portion has and is equipped with the second bending line, the junction of first bending portion and second bending portion has and is equipped with the third bending line, the junction of second bending portion and second plane portion has and is equipped with the fourth bending line.

6. A vertical axis wind turbine blade support according to claim 5, wherein: the second bending line, the third bending line and the fourth bending line can be mutually parallel or arranged at an included angle not larger than 30 degrees.

7. A vertical axis wind turbine blade support according to claim 5, wherein: and transition fillets with the radius of more than R0.5 are arranged at the bending lines.

8. A vertical axis wind turbine blade support according to claim 1, wherein: the vertical axis wind turbine blade support is made of one of iron, aluminum or stainless steel.

9. A vertical axis wind turbine blade support according to claim 1, wherein: the surface of the blade support of the vertical axis wind turbine is provided with a protective layer.