CN216008755U

CN216008755U - Aerogenerator helical blade based on increase structural strength

Info

Publication number: CN216008755U
Application number: CN202122425430.6U
Authority: CN
Inventors: 潘恒伟
Original assignee: Jiangsu Jiuli Wind Power Technology Development Co ltd
Current assignee: Jiangsu Jiuli Wind Power Technology Development Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-11
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to a wind power generation technical field, concretely relates to aerogenerator helical blade based on increase structural strength, include: the generator comprises a generator rotating shaft, a plurality of annular mounting seat assemblies and a connecting rod assembly, wherein the annular mounting seat assemblies are sleeved on the generator rotating shaft at intervals, a plurality of blade assemblies in a spiral structure are arranged on the outer side of the generator rotating shaft in an annular array mode, and the blade assemblies are connected with the annular mounting seat assemblies through the connecting rod assembly; the blade assembly comprises a middle framework layer, the upper surface of the middle framework layer is connected with an upper panel, and the lower surface of the middle framework layer is connected with a lower panel; the middle framework layer comprises a plurality of bendable rods, the rods are arranged in a linear array, and a plurality of cylinders with square cross sections are clamped on the rods along the length direction of the rods. In this way, aerogenerator helical blade based on increase structural strength, structural strength has been improved, life has been prolonged.

Description

Aerogenerator helical blade based on increase structural strength

Technical Field

The utility model relates to a wind power generation technical field especially relates to a aerogenerator helical blade based on increase structural strength.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises a blade, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components.

At a high place, wind power generated by air flow is large, blades of a wind driven generator are easy to blow quickly to generate deformation, if the blades of the wind driven generator are frequently subjected to large deformation, the service life of the blades is influenced, and the existing blades of the wind driven generator are generally of a single-layer structure, are poor in deformation resistance and need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a aerogenerator helical blade based on increase structural strength, simple structure, and processing is easy, has improved structural strength, has prolonged life.

In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a wind power generator helical blade based on increased structural strength, comprising: the generator comprises a generator rotating shaft, a plurality of annular mounting seat assemblies and a connecting rod assembly, wherein the annular mounting seat assemblies are sleeved on the generator rotating shaft at intervals, a plurality of blade assemblies in a spiral structure are arranged on the outer side of the generator rotating shaft in an annular array mode, and the blade assemblies are connected with the annular mounting seat assemblies through the connecting rod assembly;

the blade assembly comprises a middle framework layer, the upper surface of the middle framework layer is connected with an upper panel, and the lower surface of the middle framework layer is connected with a lower panel;

the middle framework layer comprises a plurality of bendable rods, the rods are arranged in a linear array, and a plurality of cylinders with square cross sections are clamped on the rods along the length direction of the rods.

In a preferred embodiment of the present invention, the annular mounting base assembly includes an annular body, the outer annular array of the annular body is connected to a plurality of fixing bases, the annular body is provided with an opening, and the annular body is connected to a locking member for reducing the opening.

In a preferred embodiment of the present invention, the locking member includes two locking plates, the locking plates are connected to the annular body and located at two sides of the opening, and the locking plates are connected to each other by bolts.

In the utility model discloses a preferred embodiment, the connecting rod subassembly includes the connecting rod that equals with blade subassembly quantity, the connecting rod includes the connecting rod that a plurality of intervals set up, the connecting rod is worn to establish on the blade subassembly, the both ends of connecting rod respectively threaded connection have two nuts that are used for fixed blade subassembly, the one end and the fixing base threaded connection of connecting rod.

In a preferred embodiment of the present invention, a plurality of slots adapted to the column are disposed at intervals on the rod, and the slots are connected to the column by glue.

The utility model has the advantages that: the utility model provides a aerogenerator helical blade based on increase structural strength through set up middle casing ply between upper surface and the lower surface, has strengthened the anti deformability, has improved structural strength, has prolonged life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of a helical blade of a wind turbine according to the present invention, with increased structural strength;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the structure of the intermediate carcass layer in FIG. 2;

fig. 4 is a schematic view of the ring mount assembly of fig. 1.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.

It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes:

a wind turbine helical blade based on increased structural strength comprising: the generator comprises a generator rotating shaft 1, a plurality of annular mounting seat assemblies 20 are sleeved on the generator rotating shaft 1 at intervals, a plurality of blade assemblies 30 in a spiral structure are arranged on the outer side of the generator rotating shaft 1 in an annular array mode, and the generator rotating shaft further comprises a connecting rod assembly, wherein the blade assemblies 30 are connected with the annular mounting seat assemblies 20 through the connecting rod assembly; during the use, wind blows on blade subassembly 30, and blade subassembly 30 is the circumference along generator shaft 1 and rotates, through the use of generator, turns into the electric energy with wind energy.

The blade assembly 30 comprises a middle skeleton layer 31, an upper panel 32 is connected to the upper surface of the middle skeleton layer 31, and a lower panel 33 is connected to the lower surface of the middle skeleton layer 31; through the use of the middle skeleton layer 31, the deformation resistance of the blade assembly 30 is enhanced, the structural strength is high, and the service life of the blade assembly 30 is prolonged.

The middle skeleton layer 31 comprises a plurality of bendable rods 311, the rods 311 are arranged in a linear array, and a plurality of cylinders 312 with square cross sections are clamped on the rods 311 along the length direction; and a three-dimensional structure is formed, so that the structural strength is improved.

The annular mounting seat assembly 20 comprises an annular body 21, a plurality of fixing seats 22 are connected to an outer annular array of the annular body 21, an opening 23 is formed in the annular body 21, and a locking part 24 for reducing the opening is connected to the annular body 21; through the use of the locking component 24, the opening 23 is reduced, so that the inner wall of the annular body 21 is tightly connected with the generator rotating shaft 1, and the fixing effect of the annular body 21 and the generator rotating shaft 1 is enhanced.

The locking part 24 comprises two locking plates 241, the locking plates 241 are connected with the annular body 21 and located on two sides of the opening 23, and the locking plates 241 are connected through bolts, so that the structure is simple, and the operation is convenient.

The connecting rod assembly comprises connecting rod pieces 40 with the same number as the blade assemblies 30, each connecting rod piece 40 comprises a plurality of connecting rods 41 arranged at intervals, each connecting rod 41 penetrates through the corresponding blade assembly 30, two nuts used for fixing the blade assemblies are respectively and spirally connected to two ends of each connecting rod 41, and one end of each connecting rod 41 is in threaded connection with the corresponding fixing seat 22; simple structure, easy installation and strong connection firmness.

A plurality of clamping grooves 313 matched with the columns 312 are arranged on the rod body 311 at intervals, and the clamping grooves 313 are connected with the columns 312 through glue; the firmness of the connection is enhanced.

To sum up, the utility model discloses a wind driven generator helical blade based on increase structural strength who points out, simple structure, processing is easy, has improved structural strength, has prolonged life.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A wind turbine helical blade based on increased structural strength comprising: the generator rotating shaft is characterized in that a plurality of annular mounting seat assemblies are sleeved on the generator rotating shaft at intervals, a plurality of blade assemblies in a spiral structure are arranged on the outer side of the generator rotating shaft in an annular array mode, and the generator rotating shaft further comprises a connecting rod assembly, and the blade assemblies are connected with the annular mounting seat assemblies through the connecting rod assembly;

2. The wind turbine helical blade based on increased structural strength of claim 1, wherein the annular mounting seat assembly comprises an annular body, a plurality of fixing seats are connected to an outer annular array of the annular body, an opening is formed in the annular body, and a locking component for reducing the opening is connected to the annular body.

3. The helical blade for wind driven generator based on increased structural strength as claimed in claim 2, wherein the locking member comprises two locking plates connected with the annular body and located at both sides of the opening, and the locking plates are connected with each other by bolts.

4. The wind driven generator helical blade based on the structural strength increase of claim 2, wherein the connecting rod assembly comprises a number of connecting rod pieces equal to the number of the blade assemblies, the connecting rod pieces comprise a plurality of connecting rods arranged at intervals, the connecting rods are arranged on the blade assemblies in a penetrating manner, two nuts for fixing the blade assemblies are respectively connected to two ends of each connecting rod in a threaded manner, and one end of each connecting rod is in threaded connection with the fixing seat.

5. The wind driven generator helical blade based on the structural strength increase of claim 1, wherein a plurality of clamping grooves matched with the columns are arranged on the rod body at intervals, and the clamping grooves are connected with the columns through glue.