CN219549025U

CN219549025U - Blade adjusting mechanism of wind driven generator

Info

Publication number: CN219549025U
Application number: CN202320508454.4U
Authority: CN
Inventors: 张小龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-18
Anticipated expiration: 2033-03-14

Abstract

The utility model belongs to the technical field of wind driven generator equipment, in particular to a wind driven generator blade regulating mechanism, which aims at the problems that the rotating speed and the power of the existing blades are increased along with the increase of wind speed, and the excessive wind speed can cause the excessive high rotating speed of the blades and the overload of a generator, so that the running of a wind driven generator is endangered.

Description

Blade adjusting mechanism of wind driven generator

Technical Field

The utility model relates to the technical field of wind driven generator equipment, in particular to a fan blade adjusting mechanism of a wind driven generator.

Background

The wind driven generator is power equipment for converting wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, and generally comprises a wind wheel, a generator (comprising a device), a direction regulator (tail wing), a tower, a speed limiting safety mechanism, an energy storage device and the like; the small and medium-sized wind driven generators are also called home wind driven generators, are mainly applied to buildings near rural areas, pasture areas and mountain areas, large, medium and small cities in development or commercial areas, and can meet the power consumption requirements of local users.

In the prior art, the rotation speed and the power of the fan blades are increased along with the increase of the wind speed, and the excessive wind speed can cause the excessive rotation speed of the fan blades and the overload of the generator, so that the operation of the wind driven generator is endangered, therefore, a fan blade adjusting mechanism of the wind driven generator is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects that the rotation speed and the power of a fan blade are increased along with the increase of the wind speed, the too high wind speed can cause the too high rotation speed of the fan blade and the overload of a generator, and the operation of a wind driven generator is endangered.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a wind-driven generator flabellum adjustment mechanism, includes the cabin, the inside fixedly connected with generator and the gear box in cabin, the inside rotation of gear box is connected with the low-speed axle, the outer wall in cabin rotates and is connected with the rotor, the fixed cover of outer wall of rotor is equipped with hollow structure's round cover, the inner wall rotation of round cover is connected with annular piece, the inside fixedly connected with motor of round cover, the fixed cover of outer wall of motor output shaft is equipped with the spur gear, the fixed cover of inner wall of round cover is equipped with annular rack, meshing connection between spur gear and the annular rack, the outer wall fixedly connected with annular bevel gear of annular piece, the inside of round cover is equipped with slewing mechanism.

Preferably, the rotating mechanism comprises three connecting shafts, one ends of the three connecting shafts are rotationally connected with the inner wall of the circular sleeve, the outer walls of the three connecting shafts are fixedly sleeved with main gears, the main gears are connected with the ring-shaped bevel gears in a meshed mode, mounting holes are formed in the outer walls of the circular sleeve, the inner walls of the mounting holes are rotationally connected with the outer walls of the connecting shafts, assembly seats are fixedly sleeved on the outer walls of the connecting shafts, fan blades are fixedly connected with the outer walls of the assembly seats, the connecting shafts are enabled to rotate through the main gears, and the assembly seats are enabled to rotate through the rotation of the connecting shafts.

Preferably, the outer wall of the engine room is provided with an assembly hole, and the inner wall of the assembly hole is rotationally connected with the outer wall of the low-speed shaft.

Preferably, one end of the low-speed shaft is fixedly connected with the outer wall of the rotor, and the outer wall of the engine room is rotationally connected with the mounting seat.

Preferably, the outer wall fixedly connected with of cabin is adjusted to the pole, the outer wall fixedly connected with fin of adjusting the pole, makes cabin regulation direction through setting up the fin.

Preferably, the outer wall fixedly connected with two deflector of ring type piece, sliding connection has same solid fixed ring between two deflector, and gu fixed ring's outer wall and the inner wall fixed connection of circle cover rotate with deflector auxiliary ring type piece through setting up solid fixed ring.

Preferably, the outer wall fixed sleeve of connecting axle is equipped with the bearing, and the outer lane of bearing and the inner wall fixed connection of circle cover, the bearing assist the connecting axle to rotate.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the direction of the cabin is adjusted through the mounting seat, the direction adjusting rod and the tail wing, the fan blade is convenient to rotate, and the fan blade is adjusted through the circular sleeve, the annular block, the guide plate, the motor, the spur gear, the annular rack, the annular bevel gear, the connecting shaft, the main gear and the assembly seat, so that the fan blade rotates, the side face is windward, and the overhigh rotating speed of the fan blade and overload of the generator are avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a blade adjustment mechanism for a wind turbine according to the present utility model;

FIG. 2 is a schematic view of a part of a fan blade adjusting mechanism of a wind driven generator according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 of a fan blade adjusting mechanism of a wind driven generator according to the present utility model.

In the figure: 1. a nacelle; 2. a generator; 3. a gear box; 4. a rotor; 5. a mounting base; 6. a steering rod; 7. a tail wing; 8. a round sleeve; 9. a ring-shaped block; 10. a guide plate; 11. a motor; 12. spur gears; 13. a ring-shaped rack; 14. a ring-shaped bevel gear; 15. a connecting shaft; 16. a main gear; 17. an assembly seat; 18. and (3) a fan blade.

Detailed Description

1-3, relate to a wind-driven generator flabellum adjustment mechanism, including the cabin 1, the inside fixedly connected with generator 2 and gear box 3 of cabin 1, the inside rotation of gear box 3 is connected with the low-speed axle, the mounting hole has been seted up to the outer wall of cabin 1, the inner wall of mounting hole is rotated with the outer wall of low-speed axle and is connected, one end and the outer wall fixed connection of rotor 4 of low-speed axle, the outer wall rotation of cabin 1 is connected with mount pad 5, the outer wall rotation of cabin 1 is connected with rotor 4, the outer wall fixed connection of cabin 1 has steering rod 6, the outer wall fixed connection fin 7 of steering rod 6, cabin 1 rotates through fin 7 facing the wind direction;

as shown in fig. 1-3, a circular sleeve 8 with a hollow structure is fixedly sleeved on the outer wall of a rotor 4, a ring-shaped block 9 is rotationally connected to the inner wall of the circular sleeve 8, two guide plates 10 are fixedly connected to the outer wall of the ring-shaped block 9, a same fixed ring is slidingly connected between the two guide plates 10, the outer wall of the fixed ring is fixedly connected with the inner wall of the circular sleeve 8, the fixed ring assists the ring-shaped block 9 to rotate, a motor 11 is fixedly connected to the inner wall of the circular sleeve 8, the motor 11 is provided with a brake self-locking function, a spur gear 12 is fixedly sleeved on the outer wall of an output shaft of the motor 11, a ring-shaped rack 13 is fixedly sleeved on the inner wall of the circular sleeve 8, the spur gear 12 is in meshed connection with the ring-shaped rack 13, the motor 11 rotates to enable the spur gear 12 to rotate, a ring-shaped bevel gear 14 is fixedly connected to the outer wall of the ring-shaped block 9 rotates to enable the ring-shaped bevel gear 14 to rotate, and a rotating mechanism is arranged inside the circular sleeve 8.

As shown in fig. 1-3, the rotating mechanism comprises three connecting shafts 15, bearings are fixedly sleeved on the outer walls of the connecting shafts 15, the outer rings of the bearings are fixedly connected with the inner wall of the round sleeve 8, the bearings assist the connecting shafts 15 to rotate, one ends of the three connecting shafts 15 are rotatably connected with the inner wall of the round sleeve 8, main gears 16 are fixedly sleeved on the outer walls of the three connecting shafts 15, the main gears 16 are in meshed connection with ring-shaped bevel gears 14, mounting holes are formed in the outer walls of the round sleeve 8, the inner walls of the mounting holes are rotatably connected with the outer walls of the connecting shafts 15, the ring-shaped bevel gears 14 rotate to enable the main gears 16 on the connecting shafts 15 to rotate, assembly seats 17 are fixedly sleeved on the outer walls of the connecting shafts 15, and fan blades 18 are fixedly connected with the outer walls of the assembly seats 17.

Working principle: when the wind speed is too high, the motor 11 operates to enable the spur gear 12 to rotate, the spur gear 12 rotates to enable the annular rack 13 to rotate, the annular rack 13 rotates to enable the annular block 9 to rotate, the annular bevel gear 14 rotates to enable the main gear 16 on the connecting shaft 15 to rotate, the main gear 16 rotates to enable the assembly seat 17 to rotate, accordingly, the fan blade 18 is adjusted, the fan blade 18 rotates, the side face faces the wind, the forced rotation of the fan blade 18 is reduced, and the overhigh rotating speed of the fan blade 18 and overload of the generator 2 are avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides a wind-driven generator flabellum adjustment mechanism, includes cabin (1), its characterized in that, the inside fixedly connected with generator (2) of cabin (1) and gear box (3), the inside rotation of gear box (3) is connected with the low-speed axle, the outer wall rotation of cabin (1) is connected with rotor (4), the fixed cover of outer wall of rotor (4) is equipped with hollow structure's round cover (8), the inner wall rotation of round cover (8) is connected with ring type piece (9), the inside fixedly connected with motor (11) of round cover (8), the fixed cover of outer wall of motor (11) output shaft is equipped with spur gear (12), the fixed cover of inner wall of round cover (8) is equipped with annular rack (13), meshing connection between spur gear (12) and annular rack (13), the outer wall fixedly connected with annular bevel gear (14) of ring type piece (9), the inside of round cover (8) is equipped with slewing mechanism.

2. The fan blade adjusting mechanism of the wind driven generator according to claim 1, wherein the rotating mechanism comprises three connecting shafts (15), one ends of the three connecting shafts (15) are rotationally connected with the inner wall of a round sleeve (8), main gears (16) are fixedly sleeved on the outer walls of the three connecting shafts (15), the main gears (16) are meshed with ring-shaped bevel gears (14), mounting holes are formed in the outer walls of the round sleeve (8), the inner walls of the mounting holes are rotationally connected with the outer walls of the connecting shafts (15), assembly seats (17) are fixedly sleeved on the outer walls of the connecting shafts (15), and fan blades (18) are fixedly connected with the outer walls of the assembly seats (17).

3. The fan blade adjusting mechanism of the wind driven generator according to claim 1, wherein an assembly hole is formed in the outer wall of the nacelle (1), and the inner wall of the assembly hole is rotatably connected with the outer wall of the low-speed shaft.

4. A wind turbine blade adjustment mechanism according to claim 3, characterized in that one end of the low speed shaft is fixedly connected with the outer wall of the rotor (4), and the outer wall of the nacelle (1) is rotatably connected with a mounting base (5).

5. The fan blade adjusting mechanism of the wind driven generator according to claim 1, wherein the outer wall of the nacelle (1) is fixedly connected with a direction adjusting rod (6), and the outer wall of the direction adjusting rod (6) is fixedly connected with a tail wing (7).

6. The fan blade adjusting mechanism of the wind driven generator according to claim 1, wherein the outer wall of the annular block (9) is fixedly connected with two guide plates (10), the same fixing ring is connected between the two guide plates (10) in a sliding manner, and the outer wall of the fixing ring is fixedly connected with the inner wall of the round sleeve (8).

7. The fan blade adjusting mechanism of the wind driven generator according to claim 2, wherein a bearing is fixedly sleeved on the outer wall of the connecting shaft (15), and the outer ring of the bearing is fixedly connected with the inner wall of the round sleeve (8).