CN210829610U

CN210829610U - Speed change device for wind driven generator

Info

Publication number: CN210829610U
Application number: CN201922094457.4U
Authority: CN
Inventors: 欧阳富
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-06-23
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a speed change gear for aerogenerator, including the speed change gear body, the left side of speed change gear body is inserted and is established power input shaft, and power input shaft's right side fixedly connected with flywheel, the right side cover of flywheel has the frisbee, and the fixed frame of right side fixedly connected with of frisbee, the right side intermediate position department of fixed frame is inserted and is equipped with first transmission shaft, and the left side fixedly connected with friction disc of first transmission shaft, the slurcam has been cup jointed on the left side surface of first transmission shaft. The utility model discloses be provided with first drive gear and second drive gear, cooperate the use through first drive gear and the second drive gear of different diameters size, and then improve aerogenerator's work efficiency through the speed change gear body, increase of service life through the pulling tumbler, breaks away from the friction disc with the frisbee mutually, is convenient for dismantle the maintenance generating set under the blade keeps the pivoted condition.

Description

Speed change device for wind driven generator

Technical Field

The utility model relates to a generator technical field specifically is a speed change gear for aerogenerator.

Background

Wind power resources are inexhaustible, environmental pollution can be reduced by utilizing wind power generation, conventional energy sources such as coal, petroleum and the like are saved, the wind power generation technology is mature, the cost in renewable energy sources is relatively low, the development prospect is wide, the wind power generation technology can be flexibly applied, not only can be in grid-connected operation but also can be in off-grid independent operation, and a complementary power generation system can be formed by the wind power generation technology and other energy source technologies, and wind power needs to be converted into electric energy by a wind power generator in the wind power generation process.

The blade of the generator is driven to rotate by wind power mostly by the existing wind driven generator, the wind energy is converted into kinetic energy to transmit the generator through the blades, and the size of the wind power can be changed, so the rotating speed of the blade is also changed by wind power, and further the too fast rotating speed is transmitted to the generator to intensify the abrasion of the motor gear, thereby the service life of the generator is shortened.

Disclosure of Invention

An object of the utility model is to provide a speed change gear for aerogenerator to the inconvenient problem of maintenance is dismantled to the variable speed that can not provide in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a speed change device for a wind driven generator comprises a speed change device body, wherein a power input shaft is inserted into the left side of the speed change device body, a flywheel is fixedly connected to the right side of the power input shaft, a flying disc is sleeved on the right side of the flywheel, a fixed frame is fixedly connected to the right side of the flying disc, a first transmission shaft is inserted into the right middle position of the fixed frame, a friction plate is fixedly connected to the left side of the first transmission shaft, a push plate is sleeved on the left surface of the first transmission shaft, a spring is fixedly connected to the right surface of the push plate, a brake bolt is sleeved on the right surface of the first transmission shaft, a fixed block is hinged to the left side of the brake bolt, a rectangular sleeve is sleeved on the right side of the first transmission shaft, a second transmission shaft is fixedly connected to the right side of the rectangular sleeve, a first transmission gear is sleeved on the surface of the second transmission shaft, and a, and the surface of the power output shaft is sleeved with a second transmission gear, the left side of the power output shaft is connected with a gear lever through a bearing seat, the top end of the gear lever is provided with a limiting groove, and a limiting block is inserted into the limiting groove.

Preferably, the top surface of the speed change device body is evenly provided with three groups of clamping grooves.

Preferably, the right vertical section of the first transmission shaft is of a rectangular structure, and the first transmission shaft and the rectangular sleeve form a sliding structure.

Preferably, the first transmission gears are arranged into three groups, and the diameter of the first transmission gears is sequentially reduced from left to right.

Preferably, the second transmission gears are arranged into three groups, and the diameters of the second transmission gears are sequentially increased from left to right.

Preferably, the limiting block and the limiting groove form a sliding type structure, and the limiting block and the clamping groove form a clamping type structure.

Compared with the prior art, the beneficial effects of the utility model are that: the speed change device for the wind driven generator is provided with the first transmission gear and the second transmission gear, the first transmission gear and the second transmission gear with different diameters are matched for use, the working efficiency of the wind driven generator is improved through the speed change device body, the service life is prolonged, the friction plate is separated from the flying disc through pulling the brake bolt, and the generator set can be conveniently detached and maintained under the condition that the blades keep rotating.

(1) The device is provided with first drive gear and second drive gear, uses through the cooperation of first drive gear and the second drive gear of different diameters size, and then changes power output shaft's rotational speed, is convenient for in time adjust aerogenerator's rotational speed according to wind-force size, and then improves aerogenerator's work efficiency through the speed change gear body, increase of service life.

(2) The friction plate is separated from the flying disc by pulling the brake bolt, so that the first transmission shaft stops rotating, and the generator set is convenient to disassemble and maintain under the condition that the blades keep rotating.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

fig. 2 is a schematic side view of the structure of the flying disc and the first transmission shaft of the present invention;

fig. 3 is a schematic top sectional view of the first transmission shaft and the rectangular sleeve structure of the present invention;

fig. 4 is the schematic view of the structure overlooking of the limiting block and the limiting groove of the utility model.

In the figure: 1. a transmission body; 2. a power input shaft; 3. a flywheel; 4. a friction plate; 5. a push plate; 6. a flying disc; 7. a fixing frame; 8. a fixed block; 9. a spring; 10. a first drive shaft; 11. a rectangular sleeve; 12. a second drive shaft; 13. a first drive gear; 14. a power take-off shaft; 15. a second transmission gear; 16. a tumbler; 17. a shift lever; 18. a limiting block; 19. a limiting groove; 20. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a speed change device for a wind driven generator comprises a speed change device body 1, wherein a power input shaft 2 is inserted into the left side of the speed change device body 1, a flywheel 3 is fixedly connected to the right side of the power input shaft 2, clamping grooves 20 are uniformly formed in the top end surface of the speed change device body 1, the clamping grooves 20 are arranged in three groups, a flying disc 6 is sleeved on the right side of the flywheel 3, a fixing frame 7 is fixedly connected to the right side of the flying disc 6, a first transmission shaft 10 is inserted into the middle position of the right side of the fixing frame 7, a friction plate 4 is fixedly connected to the left side of the first transmission shaft 10, the right vertical section of the first transmission shaft 10 is of a rectangular structure, the first transmission shaft 10 and a rectangular sleeve 11 form a sliding type structure, the first transmission shaft 10 can conveniently slide in the rectangular sleeve 11, the first transmission shaft 10 drives the rectangular sleeve 11 to synchronously rotate, and a push plate, and the right side surface fixedly connected with spring 9 of slurcam 5, the right side surface of first transmission shaft 10 has cup jointed tumbler 16, and the left side of tumbler 16 articulates there is fixed block 8, and the right side of first transmission shaft 10 has cup jointed rectangular sleeve 11, and the right side fixedly connected with second transmission shaft 12 of rectangular sleeve 11, and the surface of second transmission shaft 12 has cup jointed first transmission gear 13.

According to the attached drawing 1, the first transmission gears 13 are arranged into three groups, the diameter of each first transmission gear 13 is sequentially reduced from left to right, the distance from the first transmission gear 13 to the second first transmission gear 13 from left to right is the width of two second transmission gears 15, the distance from the second first transmission gear 13 to the third first transmission gear 13 is the width of three second transmission gears 15, a power output shaft 14 is inserted into the right side of the speed change device body 1, the surface of the power output shaft 14 is sleeved with the second transmission gears 15, the second transmission gears 15 are uniformly arranged into three groups, the diameter of each second transmission gear 15 is sequentially increased from left to right, the rotation speed of the power output shaft 14 can be conveniently changed by matching the second transmission gears 15 and the first transmission gears 13, the left side of the power output shaft 14 is connected with a shift lever 17 through a bearing seat, and the top of the gear lever 17 is provided with a limiting groove 19, a limiting block 18 is inserted in the limiting groove 19, the limiting block 18 and the limiting groove 19 form a sliding structure, the limiting block 18 and the clamping groove 20 form a clamping structure, so that the limiting block 18 can slide to the inside of the clamping groove 20, the limiting groove 19 is fixed, and the whole speed change process is further completed.

The working principle is as follows: when the flywheel type flywheel brake is used, according to the attached drawing 1, the tumbler 16 is pulled to the right side, the tumbler 16 pulls the first transmission shaft 10 to move rightwards through the fixing block 8, the first transmission shaft 10 drives the push plate 5 to move rightwards, the elastic force of the spring 9 is enhanced, the left side of the friction plate 4 is separated from the right side of the flying disc 6, the flywheel 3 and the friction plate 4 want to be separated, after the friction plate 4 and the flying disc 6 lose friction force, the friction plate 4 stops rotating, the first transmission shaft 10 stops rotating, the gear lever 17 is pushed rightwards, the gear lever 17 pushes the power output shaft 14 to move rightwards, and the power output shaft 14 pushes the second transmission gear 15.

According to the attached drawing 1, when the second transmission gear 15 moves rightwards by a distance equal to the width of the first transmission gear 13, the second transmission gear 15 at the middle position is meshed with the first transmission gear 13 at the middle position, meanwhile, the leftmost second transmission gear 15 and the first transmission gear 13 want to be separated, and therefore first speed change is completed, when the second transmission gear 15 moves rightwards by a distance equal to the width of the two first transmission gears 13, the rightmost second transmission gear 15 is meshed with the rightmost first transmission gear 13, meanwhile, the second transmission gears 15 at the left side and the middle position want to be separated from the first transmission gear 13, and therefore second speed change is completed, according to the attached drawing 4, the limiting block 18 slides to the front side, the limiting block 18 is clamped into the clamping groove 20 to be fixed, and therefore the whole speed change process is completed.

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.

Claims

1. A speed change device for a wind power generator comprises a speed change device body (1), and is characterized in that: the left side of the speed changing device body (1) is inserted with a power input shaft (2), the right side of the power input shaft (2) is fixedly connected with a flywheel (3), the right side of the flywheel (3) is sleeved with a flying disc (6), the right side of the flying disc (6) is fixedly connected with a fixed frame (7), the right side middle position of the fixed frame (7) is inserted with a first transmission shaft (10), the left side of the first transmission shaft (10) is fixedly connected with a friction plate (4), the left side surface of the first transmission shaft (10) is sleeved with a push plate (5), the right side surface of the push plate (5) is fixedly connected with a spring (9), the right side surface of the first transmission shaft (10) is sleeved with a brake bolt (16), the left side of the brake bolt (16) is hinged with a fixed block (8), the right side of the first transmission shaft (10) is sleeved with a rectangular sleeve (, and the right side fixedly connected with second transmission shaft (12) of rectangle sleeve (11), first transmission gear (13) has been cup jointed on the surface of second transmission shaft (12), power output shaft (14) have been inserted on the right side of speed change gear body (1), and the surface of power output shaft (14) has cup jointed second transmission gear (15), the left side of power output shaft (14) is connected with gear shift lever (17) through the bearing frame, and the top of gear shift lever (17) has seted up spacing groove (19), the inside of spacing groove (19) is inserted and is equipped with stopper (18).

2. The transmission for a wind power generator according to claim 1, wherein: the top surface of the speed change device body (1) is evenly provided with clamping grooves (20), and the clamping grooves (20) are arranged into three groups.

3. The transmission for a wind power generator according to claim 1, wherein: the right vertical section of the first transmission shaft (10) is of a rectangular structure, and the first transmission shaft (10) and the rectangular sleeve (11) form a sliding structure.

4. The transmission for a wind power generator according to claim 1, wherein: the first transmission gears (13) are arranged into three groups, and the diameter of the first transmission gears (13) is sequentially reduced from left to right.

5. The transmission for a wind power generator according to claim 1, wherein: the second transmission gears (15) are uniformly arranged into three groups, and the diameters of the second transmission gears (15) are sequentially increased from left to right.

6. The transmission for a wind power generator according to claim 1, wherein: the limiting block (18) and the limiting groove (19) form a sliding type structure, and the limiting block (18) and the clamping groove (20) form a clamping type structure.