CN217682081U

CN217682081U - Aerogenerator with safety speed limit function

Info

Publication number: CN217682081U
Application number: CN202220890190.9U
Authority: CN
Inventors: 马良; 辛宏伟; 孟庆茂; 徐杨林; 邹序昌; 任建设
Original assignee: Cgn New Energy Anhui Co ltd
Current assignee: Cgn New Energy Anhui Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-28
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a aerogenerator with safe speed limit function, including the support column, the top of support column is rotated and is connected with generator housing, and the through-hole has been seted up on generator housing's right side, and the inner wall of through-hole rotates and is connected with the column spinner, the left end fixedly connected with universal driving shaft of column spinner, generator housing's interior diapire fixedly connected with fixed plate, the last fixed surface of fixed plate is connected with the speed limit box. According to the wind driven generator with the safe speed limiting function, the speed limiting box, the double-shaft motor, the driving rod, the two-way screw rod, the movable block and the speed reducing block are arranged, the wind speed measuring instrument is matched to use, when the wind speed measuring instrument detects that the external wind speed exceeds a safe wind speed standard, the double-shaft motor is started through the controller to drive the driving rod and the two-way screw rod to rotate, then the two speed reducing blocks are driven to contact and abut against the linkage shaft, and therefore the friction force of the speed reducing blocks on the linkage shaft is utilized to reduce the rotating speed of the impeller rotating column, and further the automatic speed limiting function is achieved.

Description

Wind driven generator with safety speed limiting function

Technical Field

The utility model relates to a aerogenerator technical field specifically is an aerogenerator with safety speed limit function.

Background

The wind driven generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives the rotor to rotate, and finally alternating current is output.

However, the safety speed-limiting mechanism of the existing wind driven generator is too simple in structure, only a single speed-reducing block is usually configured to reduce the speed of the impeller of the generator, and the contact area of the existing speed-reducing block to the impeller is too small, so that the friction force between the speed-reducing block and the impeller is insufficient, the speed-reducing effect is poor, and the potential safety hazard is increased. Therefore, the wind driven generator with the safety speed limiting function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aerogenerator with safety speed limit function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a aerogenerator with safe speed limit function, includes the support column, the top of support column is rotated and is connected with generator housing, and the through-hole has been seted up on generator housing's right side, and the inner wall of through-hole rotates and is connected with the column spinner, the left end fixedly connected with universal driving shaft of column spinner, generator housing's interior diapire fixedly connected with fixed plate, the last fixed surface of fixed plate is connected with the speed limit box, and the inner wall of speed limit box rotates and is connected with two-way lead screws that the position is corresponding, and two upper and lower correspondences fixedly connected with speed reduction block between the movable block, the corresponding shaft hole in position has all been seted up to the left and right sides of speed limit box, the universal driving shaft runs through to the left side of speed limit box through the shaft hole.

Preferably, two the arc spacing groove has all been seted up to the opposite face of speed reduction piece, and a plurality of bar groove has been seted up to the inner wall of arc spacing groove.

Preferably, the surface of the linkage shaft is fixedly connected with a rubber anti-slip sleeve, and the position of the linkage shaft corresponds to the position of the speed reducing block.

Preferably, the back fixedly connected with biax motor of speed limit box, the equal fixedly connected with actuating lever of two output ends of biax motor, the tip of actuating lever is provided with first bevel gear.

Preferably, the end part of the bidirectional screw rod is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the upper surface of the generator housing is provided with an anemoscope, the interior of the generator housing is provided with a controller, and the controller is electrically connected with the anemoscope and the double-shaft motor respectively.

Advantageous effects

The utility model provides a aerogenerator with safety speed limit function possesses following beneficial effect:

1. according to the wind driven generator with the safe speed limiting function, the speed limiting box, the double-shaft motor, the driving rod, the two-way screw rod, the movable block and the speed reducing block are arranged, the wind speed measuring instrument is matched to use, when the wind speed measuring instrument detects that the external wind speed exceeds a safe wind speed standard, the double-shaft motor is started through the controller to drive the driving rod and the two-way screw rod to rotate, then the two speed reducing blocks are driven to contact and abut against the linkage shaft, and therefore the friction force of the speed reducing blocks on the linkage shaft is utilized to reduce the rotating speed of the impeller rotating column, and further the automatic speed limiting function is achieved.

2. This aerogenerator with safe speed limit function through setting up two speed reduction pieces to this each other, and utilizes the arc spacing groove on speed reduction piece surface, has increased the surface contact area to the linkage shaft, has solved current aerogenerator and has adopted the problem that single speed reduction piece leads to the area of contact undersize, and the rethread sets up rubber antiskid cover and bar groove, further improves the speed reduction effect to the linkage shaft.

Drawings

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

FIG. 2 is a schematic view of a front cross-sectional structure of a generator housing according to the present invention;

fig. 3 is a schematic diagram of a side sectional structure of the generator housing of the present invention.

In the figure: the wind speed measuring device comprises a support column 1, a generator housing 2, an impeller rotating column 3, a linkage shaft 4, a speed limiting box 5, a bidirectional screw rod 6, a movable block 7, a speed reducing block 8, a strip-shaped groove 9, a rubber anti-skidding sleeve 10, a double-shaft motor 11, a driving rod 12, a first bevel gear 13, a second bevel gear 14, a wind speed measuring instrument 15 and a controller 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, the present invention provides a technical solution: the utility model provides a aerogenerator with safe speed limit function, including support column 1, the top of support column 1 is rotated and is connected with generator housing 2, the through-hole has been seted up on generator housing 2's right side, the inner wall of through-hole rotates and is connected with liquid impeller column spinner 3, the left end fixedly connected with universal driving shaft 4 of impeller column spinner 3, the interior diapire fixedly connected with fixed plate of generator housing 2, the last fixed surface of fixed plate is connected with speed limit box 5, the inner wall of speed limit box 5 rotates and is connected with two-way lead screw 6 that the position is corresponding.

The back of the speed limiting box 5 is fixedly connected with a double-shaft motor 11, two output ends of the double-shaft motor 11 are fixedly connected with a driving rod 12, the end part of the driving rod 12 is provided with a first bevel gear 13, the end part of the bidirectional screw rod 6 is fixedly connected with a second bevel gear 14, and the second bevel gear 14 is meshed with the first bevel gear 13.

Two-way lead screw 6's surperficial threaded connection has two movable block 7, fixedly connected with speed reduction piece 8 between two upper and lower corresponding movable block 7, and the arc spacing groove has all been seted up to two opposite faces that slow down piece 8, and a plurality of bar groove 9 has been seted up to the inner wall of arc spacing groove.

The left side and the right side of the speed limiting box 5 are provided with shaft holes corresponding in position, the linkage shaft 4 penetrates through the left side of the speed limiting box 5 through the shaft holes, the surface of the linkage shaft 4 is fixedly connected with a rubber anti-skidding sleeve 10, and the position of the linkage shaft 4 corresponds to the speed reducing block 8.

Through setting up two speed reduction piece 8 to this each other, and utilize the arc spacing groove on 8 surfaces of speed reduction piece, increased the surface contact area to linkage shaft 4, solved current aerogenerator and adopted monolithic speed reduction piece 8 to lead to the problem of area of contact undersize, the rethread sets up rubber antiskid cover 10 and strip groove 9, further improves the speed reduction effect to linkage shaft 4.

An air speed measuring instrument 15 is arranged on the upper surface of the generator shell 2, a controller 16 is arranged inside the generator shell 2, and the controller 16 is electrically connected with the air speed measuring instrument 15 and the double-shaft motor 11 respectively.

Through setting up speed limit box 5, double-shaft motor 11, actuating lever 12, two-way lead screw 6, movable block 7 and deceleration block 8, rethread cooperation uses wind speed measurement appearance 15, detects that outside wind speed exceeds safe wind speed standard when wind speed measurement appearance 15, starts double-shaft motor 11 through controller 16 and drives actuating lever 12 and two-way lead screw 6 and rotate, and then drives two deceleration blocks 8 and contact and support tight linkage shaft 4, thereby utilize the frictional force of deceleration block 8 to linkage shaft 4 to make impeller column 3 reduce the rotational speed, and then realize the function of automatic speed limit.

The working principle is as follows: when the automatic speed limiting device is used, when the wind speed measuring instrument 15 outside the generator housing 2 detects that the wind speed exceeds a safety standard, the controller 16 starts the double-shaft motor 11 to drive the driving rod 12 to rotate, the driving rod 12 drives the first bevel gear 13 to rotate, and further drives the second bevel gear 14 and the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 drives the two speed reducing blocks 8 to contact and abut against the rubber anti-skidding sleeve 10 on the surface of the linkage shaft 4, and therefore the friction force of the speed reducing blocks 8 to the linkage shaft 4 is utilized to reduce the rotating speed of the impeller rotating column 3, and further the automatic speed limiting function is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a aerogenerator with safe speed limit function, includes support column (1), its characterized in that: the top of support column (1) is rotated and is connected with generator housing (2), and the through-hole has been seted up on the right side of generator housing (2), and the inner wall of through-hole rotates and is connected with impeller column spinner (3), and the left end fixedly connected with universal driving shaft (4) of impeller column spinner (3), the interior diapire fixedly connected with fixed plate of generator housing (2), the last fixed surface of fixed plate is connected with speed limit box (5), and the inner wall of speed limit box (5) rotates and is connected with two corresponding two-way lead screw (6) in position, and the surface screw thread of two-way lead screw (6) is connected with two movable block (7), and upper and lower two are corresponding fixedly connected with speed reduction block (8) between movable block (7), the corresponding shaft hole in position has all been seted up to the left and right sides of speed limit box (5), universal driving shaft (4) run through the left side to speed limit box (5) through the shaft hole.

2. The wind driven generator with the safety speed limiting function according to claim 1, wherein: two the arc spacing groove has all been seted up to the opposite face of speed reduction piece (8), and a plurality of bar groove (9) have been seted up to the inner wall of arc spacing groove.

3. The wind driven generator with the safety speed limiting function according to claim 1, wherein: the surface of the linkage shaft (4) is fixedly connected with a rubber anti-skidding sleeve (10), and the position of the linkage shaft (4) corresponds to the position of the speed reducing block (8).

4. The wind driven generator with the safety speed limiting function according to claim 1, characterized in that: the speed limiting device is characterized in that a double-shaft motor (11) is fixedly connected to the back of the speed limiting box (5), two output ends of the double-shaft motor (11) are fixedly connected with driving rods (12), and first bevel gears (13) are arranged at the end parts of the driving rods (12).

5. The wind driven generator with the safety speed limiting function according to claim 1, wherein: the end part of the bidirectional screw rod (6) is fixedly connected with a second bevel gear (14), and the second bevel gear (14) is meshed with the first bevel gear (13).

6. The wind driven generator with the safety speed limiting function according to claim 1, wherein: the wind speed measuring instrument is characterized in that a wind speed measuring instrument (15) is arranged on the upper surface of the generator shell (2), a controller (16) is arranged inside the generator shell (2), and the controller (16) is electrically connected with the wind speed measuring instrument (15) and the double-shaft motor (11) respectively.