CN211819798U

CN211819798U - Transmission structure of permanent magnet direct-drive wind driven generator

Info

Publication number: CN211819798U
Application number: CN202020383292.2U
Authority: CN
Inventors: 陈丽娟; 莫龙辉
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-30
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a permanent magnetism directly drives aerogenerator's transmission structure, which comprises a housin, the casing left end is rotated and is installed wheel hub, a plurality of evenly distributed's blade is installed to the wheel hub periphery, the inside angle adjustment mechanism who is connected with the blade that is provided with of wheel hub, wheel hub's the fixed main shaft that is provided with of right-hand member, the right-hand member of main shaft extends to inside the casing to be connected with the power generation mechanism, the utility model discloses simple structure realizes easily that overall stability is good, can conveniently adjust blade angle, long service life.

Description

Transmission structure of permanent magnet direct-drive wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field specifically is permanent magnetism directly drives aerogenerator's transmission structure.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, is utilized by people for a long time, is very environment-friendly by utilizing wind power for power generation, and has huge wind energy content, so that the wind energy is increasingly paid attention to all countries in the world. The wind power generation technology has wide application prospect because of abundant wind power resources in China. The existing wind driven generator transmission structure has the problems of poor structural stability, easy abrasion and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnetism directly drives aerogenerator's transmission structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the transmission structure of the permanent-magnet direct-drive wind driven generator comprises a shell, wherein a hub is rotatably installed at the left end of the shell, a plurality of uniformly distributed blades are installed on the periphery of the hub, an angle adjusting mechanism connected with the blades is arranged inside the hub, a main shaft is fixedly arranged at the right end of the hub, and the right end of the main shaft extends into the shell and is connected with a power generation mechanism.

Preferably, the power generation mechanism comprises a stator and a rotor, the stator is fixedly installed inside the shell, the rotor is fixedly installed at the right end of the main shaft, the stator is sleeved on the periphery of the rotor, and a supporting mechanism is arranged on the left side of the power generation mechanism.

Preferably, the supporting mechanism comprises an outer disc, the outer disc is rotatably mounted inside the shell, the inner circular surface of the outer disc is connected with an inner ring through a plurality of connecting rods which are uniformly distributed, and the surface of the inner ring is provided with a central hole corresponding to the spindle.

Preferably, the inner ring and the outer disc are concentrically arranged.

Preferably, the surface of the inner ring and the left end of the rotor are provided with a plurality of screw holes corresponding to each other, and the inner ring is fixedly connected with the rotor through a plurality of bolts.

Preferably, angle adjustment mechanism includes the accommodate motor, the output of accommodate motor is connected with the worm, the worm rotates and installs inside wheel hub, wheel hub internal rotation installs the dwang, the dwang periphery turns right from a left side and is equipped with turbine and first bevel gear to fixed cover in proper order, the worm is connected with the turbine meshing, the blade is provided with the connecting axle towards wheel hub's one end, the connecting axle extends to wheel hub inside and fixed mounting has second bevel gear, first bevel gear is connected with second bevel gear meshing.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the supporting mechanism, the stability of the main shaft is improved, the integral structure is ensured to be balanced and stable in the rotating process of the main shaft, and the component loss caused by unbalanced movement is reduced; the worm is driven to rotate by the adjusting motor, the worm further drives the worm wheel to rotate, so that the first bevel gear is driven to rotate through the rotating rod, the second bevel gear is meshed with the first bevel gear, and the connecting shaft can also rotate accordingly, so that the blades are driven to deflect, the angles of the blades are adjusted, and different wind conditions are adapted. The utility model discloses simple structure realizes easily that overall stability is good, can conveniently adjust blade angle, long service life.

Drawings

FIG. 1 is a schematic structural diagram of a transmission structure of a permanent magnet direct-drive wind driven generator;

FIG. 2 is a schematic structural diagram of a supporting mechanism in a transmission structure of a permanent magnet direct-drive wind driven generator;

FIG. 3 is a schematic structural diagram of an angle adjusting mechanism in a transmission structure of a permanent magnet direct-drive wind driven generator.

In the figure: 1-shell, 2-hub, 3-blade, 4-angle adjusting mechanism, 5-main shaft, 6-generating mechanism, 7-rotor, 8-stator, 9-supporting mechanism, 10-outer disc, 11-connecting rod, 12-inner ring, 13-center hole, 14-adjusting motor, 15-worm, 16-rotating rod, 17-turbine, 18-first bevel gear, 19-connecting shaft and 20-second bevel gear.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: permanent magnetism directly drives aerogenerator's transmission structure, including

casing

1, 1 left end of casing rotates installs wheel hub 2, a plurality of evenly distributed's blade 3 is installed to wheel hub 2 periphery, wheel hub 2 is inside to be provided with the angle adjusting mechanism 4 that is connected with blade 3, wheel hub 2's right-hand member is fixed and is provided with main shaft 5, the right-hand member of main shaft 5 extends to inside 1 of casing to be connected with power generation mechanism 6.

The power generation mechanism 6 comprises a stator 8 and a rotor 7, the stator 8 is fixedly installed inside the shell 1, the rotor 7 is fixedly installed at the right end of the main shaft 5, the stator 8 is sleeved on the periphery of the rotor 7, a supporting mechanism 9 is arranged on the left side of the power generation mechanism 6, power generation is performed through relative rotation of the rotor and the stator, the power generation belongs to the mature technology of power generation equipment, and the detailed structure of the power generation mechanism is not repeated herein.

The supporting mechanism 9 comprises an outer disc 10, the outer disc 10 is rotatably installed inside the shell 1, the inner circular surface of the outer disc 10 is connected with an inner ring 12 through a plurality of connecting rods 11 which are uniformly distributed, and the surface of the inner ring 12 is provided with a central hole 13 corresponding to the spindle 5.

The inner ring 12 is arranged concentrically with the outer disc 10.

The surface of the inner ring 12 and the left end of the rotor 7 are provided with a plurality of screw holes corresponding to each other, and the inner ring 12 is fixedly connected with the rotor 7 through a plurality of bolts.

Through setting up supporting mechanism 9, improved main shaft 5's stability, guarantee that main shaft 5 rotating process overall structure keeps balanced stable, has reduced the part loss because of the unbalanced motion brings.

Angle adjustment mechanism 4 includes accommodate motor 14, accommodate motor 14's output is connected with worm 15, worm 15 rotates and installs inside

wheel hub

2, 2 internal rotation of wheel hub installs dwang 16, turn right from a left side in proper order in the dwang 16 periphery and fix the cover and be equipped with turbine 17 and first bevel gear 18, worm 15 is connected with turbine 17 meshing, blade 3 is provided with connecting axle 19 towards wheel hub 2's one end, connecting axle 19 extends to wheel hub 2 inside and fixed mounting has second bevel gear 20, first bevel gear 18 is connected with second bevel gear 20 meshing.

The worm 15 is driven to rotate by the adjusting motor 14, the worm 15 further drives the worm wheel 17 to rotate, so that the first bevel gear 18 is driven to rotate by the rotating rod 16, and the connecting shaft 19 also rotates due to the meshing connection of the second bevel gear 20 and the first bevel gear 18, so that the blades 3 are driven to deflect, the angle of the blades 3 is adjusted, and different wind conditions are adapted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Permanent magnetism directly drives aerogenerator's transmission structure, including casing (1), its characterized in that: casing (1) left end is rotated and is installed wheel hub (2), a plurality of evenly distributed's blade (3) are installed to wheel hub (2) periphery, wheel hub (2) inside is provided with angle adjusting mechanism (4) that are connected with blade (3), the fixed main shaft (5) that is provided with of right-hand member of wheel hub (2), the right-hand member of main shaft (5) extends to inside casing (1) to be connected with power generation mechanism (6).

2. The transmission structure of the permanent magnet direct drive wind driven generator according to claim 1, characterized in that: generating mechanism (6) include stator (8) and rotor (7), stator (8) fixed mounting is inside casing (1), rotor (7) fixed mounting is at main shaft (5) right-hand member, stator (8) suit is in rotor (7) periphery, generating mechanism (6) left side is provided with supporting mechanism (9).

3. The transmission structure of the permanent magnet direct drive wind driven generator according to claim 2, characterized in that: the supporting mechanism (9) comprises an outer disc (10), the outer disc (10) is rotatably installed inside the shell (1), the inner circular surface of the outer disc (10) is connected with an inner ring (12) through a plurality of connecting rods (11) which are uniformly distributed, and the surface of the inner ring (12) is provided with a center hole (13) corresponding to the spindle (5).

4. The transmission structure of the permanent magnet direct drive wind driven generator according to claim 3, characterized in that: the inner ring (12) and the outer disc (10) are arranged concentrically.

5. The transmission structure of the permanent magnet direct drive wind driven generator according to claim 4, characterized in that: the surface of the inner ring (12) and the left end of the rotor (7) are provided with a plurality of screw holes corresponding to each other, and the inner ring (12) is fixedly connected with the rotor (7) through a plurality of bolts.

6. The transmission structure of the permanent magnet direct drive wind driven generator according to claim 1, characterized in that: angle adjustment mechanism (4) are including adjusting motor (14), the output of adjusting motor (14) is connected with worm (15), worm (15) rotate and install inside wheel hub (2), wheel hub (2) internal rotation installs dwang (16), dwang (16) periphery is turned right from a left side and is fixed cover in proper order and is equipped with turbine (17) and first bevel gear (18), worm (15) are connected with turbine (17) meshing, blade (3) are provided with connecting axle (19) towards the one end of wheel hub (2), connecting axle (19) extend to wheel hub (2) inside and fixed mounting have second bevel gear (20), first bevel gear (18) are connected with second bevel gear (20) meshing.