CN217789448U

CN217789448U - Fixing device of aerogenerator end cover

Info

Publication number: CN217789448U
Application number: CN202221620597.6U
Authority: CN
Inventors: 顾子平
Original assignee: Qinghai Yellow River New Energy Maintenance Co ltd
Current assignee: Qinghai Yellow River New Energy Maintenance Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-11
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to an aerogenerator technical field just discloses a fixing device of aerogenerator end cover, including pivot and end cover, the front side of end cover contacts with the rear end of pivot, and the outside of end cover is provided with seal receptacle and mount pad, and the inner wall of mount pad is connected with the fixed surface of pivot, and the welding of four group's of front side fixedly connected with of seal receptacle mounting panel on the mount pad surface, the inner wall of seal receptacle and the surface sliding connection of end cover. This fixing device of aerogenerator end cover through setting up seal receptacle and arc piece for the seal receptacle supports the surface of end cover and provides spacingly for the end cover, and the arc piece supports the inner wall of arc wall simultaneously, and uses fastening bolt to insert the jack on the arc piece, makes fastening bolt block the arc piece, so that maintain the relative stability between end cover and the mount pad, in order to prevent that the end cover from taking place to rock when the generator operation in the wind, thereby the safeguard action that the guarantee end cover provides for the pivot.

Description

Fixing device of aerogenerator end cover

Technical Field

The utility model relates to a aerogenerator technical field specifically is a fixing device of aerogenerator end cover.

Background

The wind driven generator is characterized in that wind blows blades, a rotating shaft in the middle of the blades is urged to rotate to generate mechanical energy, the rotating shaft drives a closed coil to overcome the action of a magnetic field in the magnetic field to cut magnetic induction lines, the mechanical energy is converted into electric energy to generate an induced current, the wind driven generator generally comprises a wind wheel, a generator (comprising a device), a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and other components, and in the use process of the wind driven generator, a box cover needs to be installed at the end part of the rotating shaft to protect the wind driven generator so as to ensure that the rotating shaft is not polluted by dust to increase friction.

Install the end cover at the tip of pivot between the bolt generally used when the installation end cover among the prior art, fixed mode is comparatively simple for it is not hard up to take place easily under the vibrations that the end cover produced in the wind generator during operation, thereby influences the safeguard effect that the end cover provided for the pivot, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fixing device of aerogenerator end cover has solved the end cover and has taken place easily under the vibrations that the generator during operation produced in the wind not hard up to influence the protective effect that the end cover provided for the pivot, the relatively poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the front side of the end cover is in contact with the rear end of the rotating shaft, a sealing seat and an installation seat are arranged on the outer side of the end cover, the inner wall of the installation seat is fixedly connected with the outer surface of the rotating shaft, four groups of installation plates welded on the outer surface of the installation seat are fixedly connected with the front side of the sealing seat, the inner wall of the sealing seat is in sliding connection with the outer surface of the end cover, two groups of limiting plates are arranged on the rear side of the end cover, a positioning hole is formed in the top of each limiting plate, a threaded column is installed on the rear side of each positioning plate in a rotating mode, two groups of threaded holes in threaded connection with the outer surface of the threaded column are formed in the rear side of the sealing seat, four groups of arc-shaped blocks are fixedly connected with the front side of the end cover, four groups of arc-shaped grooves in sliding connection with the outer surface of the arc-shaped blocks are formed in the rear side of the installation seat, four groups of fastening holes are formed in the outer surface of the installation seat, fastening holes are in threaded connection with fastening bolts, and insertion holes for the fastening bolts are formed in one side, far away from the rotating shaft, of the arc-shaped blocks.

Preferably, the rear side of the mounting seat is in contact with the front side of the end cover, and the diameters of the mounting seat and the end cover are equal to the diameter of the inner wall of the sealing seat.

Preferably, the outer surface of the end cover and the inner wall of the sealing seat are both fixedly connected with rubber pads, and the front side of the sealing seat and the rear side of the mounting seat are located on the same vertical plane.

Preferably, the front side of the positioning plate is in contact with the rear side of the sealing seat, and the front side of the limiting plate is in contact with the rear side of the end cover.

Preferably, the front end fixedly connected with diameter of screw thread post is greater than the spacing dish of screw thread post, and the distance of spacing dish rear side to mounting panel front side is greater than the width of seal receptacle inner wall.

Preferably, the outer surface of the fastening bolt is in threaded connection with a fastening block welded on the outer surface of the mounting seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a fixing device of aerogenerator end cover possesses following beneficial effect:

1. this fixing device of aerogenerator end cover through setting up seal receptacle and arc piece for the seal receptacle supports the surface of end cover and provides spacingly for the end cover, and the arc piece supports the inner wall of arc wall simultaneously, and uses fastening bolt to insert the jack on the arc piece, makes fastening bolt block the arc piece, so that maintain the relative stability between end cover and the mount pad, in order to prevent that the end cover from taking place to rock when the generator operation in the wind, thereby the safeguard action that the guarantee end cover provides for the pivot.

2. This fixing device of aerogenerator end cover realizes being connected between seal receptacle and the mount pad through setting up the mounting panel for relative position between seal receptacle and the mount pad keeps fixed, thereby the staff of being convenient for aligns arc piece and arc wall, and ensures that the front side of end cover supports the rear end of pivot, avoids the skew to appear in the installation of end cover and influences the cover effect of end cover to the pivot, further ensures the guard action that the end cover provided for the pivot.

3. This fixing device of aerogenerator end cover, through setting up limiting plate and locating plate for when the staff rotated the screw thread post, the relative seal receptacle displacement of screw thread post drove locating plate and limiting plate motion, so that the limiting plate supports the rear side of end cover, thereby maintain the contact relation between end cover and the pivot, and screw thread post stop motion when the front side of locating plate supported the seal receptacle rear side, prevent that the excessive frictional force that leads to the pivot to receive of pressure that the end cover was applyed from increasing to the pivot.

Drawings

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

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

fig. 3 is an exploded view of the present invention.

In the figure: 1. a rotating shaft; 2. an end cap; 3. a sealing seat; 4. a limiting plate; 5. positioning a plate; 6. a threaded post; 7. a mounting base; 8. mounting a plate; 9. an arc-shaped block; 10. a fastening block; 11. fastening a bolt; 12. a limiting disc.

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. 1-3, the present invention provides a technical solution: the utility model provides a fixing device of aerogenerator end cover, including pivot 1 and end cover 2, the front side of end cover 2 contacts with the rear end of pivot 1, the outside of end cover 2 is provided with seal receptacle 3 and mount pad 7, the inner wall of mount pad 7 is connected with the fixed surface of pivot 1, the front side fixedly connected with four group's welding of seal receptacle 3 mounting panel 8 on the surface of mount pad 7, the inner wall of seal receptacle 3 and the surface sliding connection of end cover 2, the rear side of end cover 2 is provided with two sets of limiting plates 4, the top fixedly connected with locating plate 5 of limiting plate 4, the rear side of locating plate 5 is seted up the locating hole, the inner wall of locating hole rotates installs threaded post 6, the rear side of seal receptacle 3 is seted up two sets of screw hole with threaded connection of threaded post 6, the front side fixedly connected with four group arc-shaped blocks 9 of end cover 2, the rear side of mount pad 7 is equipped with four group's arc wall and arc-shaped block 9 outer surface sliding connection's arc groove, the surface of mount pad 7 has seted up four group's fastening hole, the inner wall of fastening hole has fastening bolt 11, the threaded connection of fastening hole has seted up fastening bolt 11, one side that fastening bolt 11 kept away from pivot 1 offered.

Specifically, for the guard action that the enhancing device provided for pivot 1, the rear side of mount pad 7 contacts with the front side of end cover 2, the diameter of mount pad 7 and end cover 2 all equals the diameter of 3 inner walls of seal receptacle, make mount pad 7 and seal receptacle 3 shelter from the junction between end cover 2 and the pivot 1, further reduce the probability that the dust got into pivot 1 and 2 junctions of end cover, the surface of end cover 2 and the equal fixedly connected with rubber pad of the inner wall of seal receptacle 3, the front side of seal receptacle 3 is located same perpendicular with the rear side of mount pad 7, make the rubber pad carry out the shutoff to the gap between seal receptacle 3 and the end cover 2, thereby improve the effect of sheltering from of end cover 2 to the dust.

Specifically, for the stability that improves the device, the front side of locating plate 5 contacts with the rear side of seal receptacle 3, and the front side of limiting plate 4 contacts with the rear side of end cover 2 for when the front side of locating plate 5 supported seal receptacle 3, limiting plate 4 promoted end cover 2 and the laminating of pivot 1, thereby limiting plate 4 of being convenient for provided spacingly for end cover 2, in order to maintain the relative stability between end cover 2 and the pivot 1.

Specifically, in order to improve the practicality of device, the front end fixedly connected with diameter of screw post 6 is greater than the spacing dish 12 of screw post 6, the distance of spacing dish 12 rear side to the mounting panel 8 front side is greater than the width of seal receptacle 3 inner wall, make screw post 6 stop relative seal receptacle 3 motion when the rear side of spacing dish 12 supports mounting panel 8, and the distance of the front side of limiting plate 4 to the 3 rear sides of seal receptacle is greater than end cover 2's width this moment, so that the staff dismantles and overhauls end cover 2, fastening bolt 11's surface threaded connection has the fastening block 10 of welding on mounting panel 7 surface, make the staff rotate fastening bolt 11 and make fastening bolt 11 stop in fastening block 10 when overhauing end cover 2, so that settle fastening bolt 11, avoid fastening bolt 11 not to have the department to place and drop.

The working principle is as follows: when installation end cover 2, slide end cover 2 into 3 inner walls of seal receptacle and align arc piece 9 and arc wall, later promote end cover 2 and slide forward until arc piece 9 slides into the arc wall inner wall, fastening bolt 11 inserts the jack with fastening bolt 11 screw in fastening hole and time, thereby restrict the relative position between arc piece 9 and the mount pad 7, then rotate screw thread post 6, screw thread post 6 drives 5 relative seal receptacles 3 displacements of locating plate 5, thereby make 5 preceding fronts that drive limiting plate 4 of locating plate 4 and support end cover 2, so as to provide spacingly for end cover 2, thereby maintain the relative stability between end cover 2 and the pivot 1, so that end cover 2 provides the protection for pivot 1 when generator during operation in the wind.

In summary, according to the fixing device for the end cover of the wind driven generator, the sealing seat 3 abuts against the outer surface of the end cover 2 and provides a limit for the end cover 2 by arranging the sealing seat 3 and the arc-shaped block 9, the arc-shaped block 9 abuts against the inner wall of the arc-shaped groove, and the fastening bolt 11 is inserted into the insertion hole on the arc-shaped block 9, so that the fastening bolt 11 clamps the arc-shaped block 9, so as to maintain the relative stability between the end cover 2 and the mounting seat 7, prevent the end cover 2 from shaking during the operation of the wind driven generator, thereby ensuring the protection effect provided by the end cover 2 for the rotating shaft 1, realize the connection between the sealing seat 3 and the mounting seat 7 by arranging the mounting plate 8, so that the relative position between the sealing seat 3 and the mounting seat 7 is kept fixed, thereby facilitating the alignment of the arc-shaped block 9 and the arc-shaped groove by a worker, and ensure that the front side of end cover 2 supports the rear end that pivot 1 supported, avoid the skew to appear in the installation of end cover 2 and influence the cover effect of end cover 2 to pivot 1, further ensure the guard action that end cover 2 provided for pivot 1, through setting up limiting plate 4 and locating plate 5, when making the staff rotate screw thread post 6, screw thread post 6 is relative sealed 3 displacements of seat and drives locating plate 5 and limiting plate 4 motion, so that limiting plate 4 supports the rear side of end cover 2, thereby maintain the contact relation between end cover 2 and the pivot 1, and screw thread post 6 stop motion when the front side of locating plate 5 supports sealed 3 rear sides, prevent that end cover 2 from increasing to the too big frictional force that leads to pivot 1 to receive of pressure that pivot 1 was exerted.

The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.

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 fixing device of aerogenerator end cover, includes pivot (1) and end cover (2), and the front side of end cover (2) contacts its characterized in that with the rear end of pivot (1): the outer side of the end cover (2) is provided with a sealing seat (3) and a mounting seat (7), the inner wall of the mounting seat (7) is fixedly connected with the outer surface of the rotating shaft (1), the front side of the sealing seat (3) is fixedly connected with four groups of mounting plates (8) welded on the outer surface of the mounting seat (7), the inner wall of the sealing seat (3) is connected with the outer surface of the end cover (2) in a sliding manner, the rear side of the end cover (2) is provided with two groups of limiting plates (4), the top of each limiting plate (4) is fixedly connected with a positioning plate (5), the rear side of each positioning plate (5) is provided with a positioning hole, the inner wall of each positioning hole is rotatably provided with a threaded column (6), the rear side of the sealing seat (3) is provided with two groups of threaded holes in threaded connection with the outer surface of the threaded columns (6), the front side of the end cover (2) is fixedly connected with four groups of arc-shaped blocks (9), the rear side of the mounting seat (7) is provided with four groups of arc-shaped grooves in sliding connection with the outer surface of the arc-shaped blocks (9), the outer surface of the mounting seat (7) is provided with four groups of fastening holes, the inner wall of fastening holes (11), and one side of the bolt (11) is provided with one side of the bolt for inserting hole (11) for inserting of the bolt to be inserted into.

2. The fixing device for the end cover of the wind driven generator as claimed in claim 1, wherein: the rear side of the mounting seat (7) is in contact with the front side of the end cover (2), and the diameters of the mounting seat (7) and the end cover (2) are equal to the diameter of the inner wall of the sealing seat (3).

3. The fixing device of the end cover of the wind driven generator as claimed in claim 1, wherein: the outer surface of the end cover (2) and the inner wall of the sealing seat (3) are fixedly connected with rubber pads, and the front side of the sealing seat (3) and the rear side of the mounting seat (7) are located on the same vertical plane.

4. The fixing device of the end cover of the wind driven generator as claimed in claim 1, wherein: the front side of the positioning plate (5) is in contact with the rear side of the sealing seat (3), and the front side of the limiting plate (4) is in contact with the rear side of the end cover (2).

5. The fixing device of the end cover of the wind driven generator as claimed in claim 1, wherein: the front end fixedly connected with diameter of screw post (6) is greater than spacing dish (12) of screw post (6), and the distance of spacing dish (12) rear side to mounting panel (8) front side is greater than the width of seal receptacle (3) inner wall.

6. The fixing device of the end cover of the wind driven generator as claimed in claim 1, wherein: the outer surface of the fastening bolt (11) is in threaded connection with a fastening block (10) welded on the outer surface of the mounting seat (7).