CN210889187U

CN210889187U - Novel fan blade structure of wind driven generator

Info

Publication number: CN210889187U
Application number: CN201921710357.3U
Authority: CN
Inventors: 朱瑜鑫; 管进
Original assignee: Jiangsu Avian New Energy Technology Co ltd
Current assignee: Jiangsu Avian New Energy Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-30
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a wind driven generator's novel fan blade structure, including the pylon, the last fixed surface of pylon is connected with the cabin, the interior diapire fixedly connected with chassis in cabin, the last fixed surface of chassis is connected with the generator body, and the one end of generator body is provided with the generator shaft, and the generator shaft passes through shaft coupling fixedly connected with fan wheel axle. This wind driven generator's novel fan blade structure, upper surface through setting up the wind wheel axle is provided with stop device, can in time stop blade pivoted effect when having reached the fan blade and damaging, cracked phenomenon can appear easily in having solved current fan blade, and one of them fan blade damages, can lead to fan blade pivoted unstability if continue to rotate the operation, the pivot is rotated and also can not be steady, can lead to quadratic damage easily, thereby lead to whole wind driven generator to damage, cause the unnecessary loss, influence wind power generation's efficiency, thereby it damages to have one of them fan blade, can in time let all the other fan blade stall characteristics.

Description

Novel fan blade structure of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field, more specifically say, it relates to a aerogenerator's novel fan blade 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, mainly pumps water, grinds surfaces and the like through a windmill, and at present, people are interested in how to generate electricity by utilizing wind, the wind power generation is very environment-friendly, and the abundance of wind energy is huge, so that the wind energy is increasingly paid attention to all countries in the world.

When the existing wind driven generator is used for a long time, the fan blades can easily generate a fracture phenomenon, one of the fan blades is damaged, if the fan blades are continuously rotated and operated, the rotation of the rotating shaft can be unstable, secondary damage can be easily caused, and therefore the whole wind driven generator is damaged, unnecessary loss is caused, the efficiency of wind power generation is influenced, and the fallen fan blades can also injure people below the wind driven generator.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a wind driven generator's novel fan blade structure, it has one of them fan blade and damages, can in time let all the other fan blade stall characteristics.

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

the utility model provides a aerogenerator's novel fan blade structure, includes the pylon, the last fixed surface of pylon is connected with the cabin, the interior diapire fixedly connected with chassis in cabin, the last fixed surface of chassis is connected with generator body, generator body's one end is provided with the generator shaft, the generator shaft passes through shaft coupling fixedly connected with wind wheel axle, the upper surface of wind wheel axle is provided with stop device, and stop device is including first bearing, the inner circle of first bearing and the fixed surface of wind wheel axle are connected.

Furthermore, a fixed plate is fixedly connected to the outer ring of the first bearing, the outer side wall of the fixed plate is fixedly connected with the inner wall of the engine room, a start-stop switch is fixedly connected to the surface of one end of the fixed plate, hydraulic cylinders are fixedly connected to the inner walls of the engine rooms, a concave arc block is fixedly connected to one end of a hydraulic cylinder hydraulic rod, and the hydraulic cylinders are electrically connected with the start-stop switch;

according to the technical scheme, the starting and stopping switch is arranged to be pulled to start the hydraulic cylinder, and the concave arc block extrudes the wind wheel shaft to stop the wind wheel shaft; the radian of the concave arc block is coincided with one third of the surface of the wind wheel shaft.

Further, a circular sliding block is fixedly connected to the inner wall of the engine room, a sliding groove is formed in the inner wall of the circular sliding block, and a second bearing is connected to the inner wall of the sliding groove in a sliding mode;

through above-mentioned technical scheme, through setting up the spout, be that the outer lane for the second bearing can slide in the spout.

Furthermore, one end of the wind wheel shaft penetrates through and extends to one side surface of the cabin, the tail end of the wind wheel shaft is fixedly connected with a hub, and the surfaces of the hubs are fixedly connected with blades;

through above-mentioned technical scheme, through setting up wheel hub, the flabellum is blown to the wind of being convenient for to drive wheel hub and rotate.

Furthermore, the surface of one side of each blade is fixedly connected with a first circular through block and a tail end fixing block, the surface of each wind wheel shaft is fixedly connected with a second circular through block, and the surface of one side of each second circular through block is fixedly connected with a third bearing.

Furthermore, the inner rings of the second bearings are fixedly connected with first pull ropes, one ends of the first pull ropes penetrate through and extend to the surfaces of the second round through blocks and the first round through blocks, and the tail ends of the first pull ropes are fixedly connected with the surface of the tail end fixing block;

through above-mentioned technical scheme, pass through the piece through setting up first circle and second circle, pass through the downthehole of piece through piece and second circle for first stay cord can pass first circle, reached and to let first stay cord can not run indiscriminately the effect.

Furthermore, a second pull rope is fixedly connected to the surface of one end of the start-stop switch, and the tail end of the second pull rope is fixedly connected with the surface of the outer ring of the second bearing;

through above-mentioned technical scheme, through setting up the second stay cord, be for when the second bearing removes, the second stay cord pulling opens the stop switch.

To sum up, the utility model discloses following beneficial effect has:

the upper surface through setting up the wind wheel axle is provided with stop device, can in time stop blade pivoted effect when having reached the fan blade and damaging, the cracked phenomenon can appear easily in having solved current fan blade, and one of them fan blade damages, if continue to rotate the operation can lead to fan blade pivoted unstability, the pivot is rotated and also can not be steady, can lead to quadratic damage easily, thereby lead to whole aerogenerator to damage, cause the unnecessary loss, influence wind power generation's efficiency, thereby have one of them fan blade and damage, can in time let all the other fan blades stall characteristics.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a tower; 2. a nacelle; 3. a chassis; 4. a generator body; 5. a generator shaft; 6. a wind wheel shaft; 7. a first bearing; 8. a fixing plate; 9. a start-stop switch; 10. a hydraulic cylinder; 11. a concave arc block; 12. a circular slider; 13. a chute; 14. a second bearing; 15. a hub; 16. a blade; 17. a first circular through block; 18. a tail end fixing block; 19. a second circular through block; 20. a third bearing; 21. a first pull cord; 22. a second draw cord.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-3.

A novel fan blade structure of a wind driven generator is shown in figures 1-3 and comprises a tower frame 1, wherein the upper surface of the tower frame 1 is fixedly connected with a cabin 2, the inner bottom wall of the cabin 2 is fixedly connected with an underframe 3, the upper surface of the underframe 3 is fixedly connected with a generator body 4, one end of the generator body 4 is provided with a generator shaft 5, the generator shaft 5 is fixedly connected with a wind wheel shaft 6 through a coupler, the upper surface of the wind wheel shaft 6 is provided with a stopping device, the stopping device comprises a first bearing 7, and the inner ring of the first bearing 7 is fixedly connected with the outer surface of the wind wheel shaft 6.

Further, as shown in fig. 1 and 2, an outer ring of the first bearing 7 is fixedly connected with a fixing plate 8, an outer side wall of the fixing plate 8 is fixedly connected with an inner wall of the cabin 2, one end surface of the fixing plate 8 is fixedly connected with a start-stop switch 9, a plurality of hydraulic cylinders 10 are fixedly connected with inner walls of the cabin 2, one end of each hydraulic cylinder 10 is fixedly connected with a concave arc block 11, the hydraulic cylinders 10 are electrically connected with the start-stop switch 9, the start-stop switch 9 is LX3-11H, and the hydraulic cylinders are MOB 50.

Further, as shown in fig. 1 and 2, a circular slider 12 is fixedly connected to an inner wall of the nacelle 2, a sliding groove 13 is formed in the inner wall of the circular slider 12, and a second bearing 14 is slidably connected to the inner wall of the sliding groove 13.

Further, as shown in fig. 1 to 3, a first circular through block 17 and a terminal fixing block 18 are fixedly connected to a surface of one side of each of the blades 16, a second circular through block 19 is fixedly connected to a surface of the plurality of wind turbine shafts 6, and a third bearing 20 is fixedly connected to a surface of one side of the second circular through block 19.

Further, as shown in fig. 1 to 3, the inner rings of the plurality of second bearings 14 are fixedly connected with first pulling ropes 21, one ends of the first pulling ropes 21 penetrate and extend to the surfaces of the second circular through blocks 19 and the first circular through blocks 17, and the ends of the first pulling ropes 21 are fixedly connected with the surface of the end fixing blocks 18.

Further, as shown in fig. 2, a second rope 22 is fixedly connected to a surface of one end of the start/stop switch 9, and a distal end of the second rope 22 is fixedly connected to a surface of the outer ring of the second bearing 14.

Further, as shown in fig. 2, the stopping device is arranged on the upper surface of the wind wheel shaft 6, so that the effect of stopping the rotation of the blades in time when the blades are damaged is achieved, the problem that the existing blades are prone to fracture is solved, one of the blades is damaged, if the blades are continuously rotated and operated, the rotation of the rotating shaft is unstable, secondary damage is prone to being caused, the whole wind driven generator is damaged, unnecessary loss is caused, and the efficiency of wind power generation is influenced.

Further, as shown in fig. 1 and 2, one end of the wind wheel shaft 6 penetrates and extends to one side surface of the nacelle 2, a hub 15 is fixedly connected to the end of the wind wheel shaft 6, and a plurality of blades 16 are fixedly connected to the surface of each of the hubs 15.

The working principle is as follows: during the use, damage when one of them blade 16, when blade 16 drops, blade 16 can drive one of them stay cord downwards, make the stay cord pass through the inner wall slip of piece 17 and the piece 19 is led to the second circle through first circle, thereby pulling second bearing 14, make the outer lane of second bearing 14 slide in spout 13, when second bearing 14 is gliding, pull second stay cord 22, and second stay cord 22 then pulls start-stop switch 9, after the pulling start-stop switch 9, three pneumatic cylinder 10 obtain the signal, stretch out the hydraulic stem, make concave arc piece 11 push down the surface of rotatory windmill shaft 6, the slow stall of windmill shaft 6 afterwards.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a wind power generator's novel fan blade structure, includes pylon (1), its characterized in that: the upper surface of pylon (1) is fixedly connected with cabin (2), the interior diapire fixedly connected with chassis (3) in cabin (2), the upper surface fixedly connected with generator body (4) of chassis (3), the one end of generator body (4) is provided with generator shaft (5), generator shaft (5) are through shaft coupling fixedly connected with wind wheel axle (6), the upper surface of wind wheel axle (6) is provided with stop device, and stop device is including first bearing (7), the inner circle of first bearing (7) is connected with the external surface fixed of wind wheel axle (6).

2. The novel blade structure of the wind driven generator as claimed in claim 1, wherein: outer lane fixedly connected with fixed plate (8) of first bearing (7), the lateral wall of fixed plate (8) and the inner wall fixed connection in cabin (2), the one end fixed surface of fixed plate (8) is connected with and opens stop switch (9), and is a plurality of the equal fixedly connected with pneumatic cylinder (10) of inner wall in cabin (2), the concave arc piece of one end fixedly connected with (11) of pneumatic cylinder (10) hydraulic stem, pneumatic cylinder (10) and open stop switch (9) electric connection.

3. The novel blade structure of the wind driven generator as claimed in claim 1, wherein: the inner wall of cabin (2) fixedly connected with circle slider (12), spout (13) have been seted up to the inner wall of circle slider (12), the inner wall sliding connection of spout (13) has second bearing (14).

4. The novel blade structure of the wind driven generator as claimed in claim 1, wherein: one end of the wind wheel shaft (6) penetrates through and extends to one side surface of the engine room (2), the tail end of the wind wheel shaft (6) is fixedly connected with a hub (15), and the surfaces of the hubs (15) are fixedly connected with blades (16).

5. The novel blade structure of the wind driven generator as claimed in claim 4, wherein: the wind wheel comprises blades (16), wherein a first circular through block (17) and a tail end fixing block (18) are fixedly connected to the surface of one side of each blade (16), a plurality of second circular through blocks (19) are fixedly connected to the surface of the wind wheel shaft (6), and a third bearing (20) is fixedly connected to the surface of one side of each second circular through block (19).

6. The novel blade structure of the wind driven generator as claimed in claim 3, wherein: the inner rings of the second bearings (14) are fixedly connected with first pull ropes (21), one ends of the first pull ropes (21) penetrate through and extend to the surfaces of the second round through blocks (19) and the first round through blocks (17), and the tail ends of the first pull ropes (21) are fixedly connected with the surface of the tail end fixing block (18).

7. The novel blade structure of the wind driven generator as claimed in claim 2, wherein: and a second pull rope (22) is fixedly connected to the surface of one end of the start-stop switch (9), and the tail end of the second pull rope (22) is fixedly connected with the surface of the outer ring of the second bearing (14).