CN212508633U

CN212508633U - Yaw assembly for wind turbine generator

Info

Publication number: CN212508633U
Application number: CN202021341602.0U
Authority: CN
Inventors: 唐云
Original assignee: Individual
Current assignee: Huaneng Tongwei Wind Power Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-09
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a driftage subassembly that wind turbine generator system used, including driftage bull gear, yaw motor, side bearing and guiding mechanism, the one end of yaw motor is provided with the pinion, and pinion and driftage bull gear mesh mutually, the side bearing is installed on driftage bull gear, guiding mechanism includes socket, guide slot, inserted block and guide pillar, set up the guide slot on the driftage bull gear, the socket has been seted up at the top of this guide slot, be provided with the guide pillar with the guide slot assorted on the side bearing, be provided with the inserted block with the socket assorted on this guide pillar; the utility model has the advantages that: through the guiding mechanism who designs, utilize the collocation of guide pillar and guide slot and the collocation of inserted block and socket, increased the direction that side bearing and big ring gear of driftage are connected for side bearing and the fixed more swift of big ring gear of driftage.

Description

Yaw assembly for wind turbine generator

Technical Field

The utility model belongs to the technical field of the wind turbine generator system, concretely relates to driftage subassembly that wind turbine generator system used.

Background

The yaw assembly is an indispensable component of the horizontal-axis wind generating set and plays a very great role in utilizing wind energy of the wind generating set. The yaw motor drives the pinion to rotate, the pinion is meshed with the large gear ring and is called a yaw driving device together with the yaw motor, the yaw driving device is fastened on the main frame through bolts, the large gear ring is fastened on a tower barrel flange through a plurality of bolts and cannot rotate, and the pinion rotates around the large gear ring to drive the main frame to rotate until the position of the engine room is consistent with the wind direction measured by the anemoscope.

When the yaw assembly for the existing wind turbine generator system is used, a guide mechanism is lacked when the side bearing is connected with the yaw large gear ring, and the fixing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a driftage subassembly that wind turbine generator system used to solve the side bearing that proposes in the above-mentioned background art and lack guiding mechanism when driftage bull gear connects, reduced fixed efficiency problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a driftage subassembly that wind turbine generator system used, includes big ring gear of driftage, yaw motor, side bearing and guiding mechanism, and the one end of yaw motor is provided with the pinion, and pinion and the meshing of big ring gear of driftage mutually, the side bearing is installed on big ring gear of driftage, guiding mechanism includes socket, guide slot, inserted block and guide pillar, the guide slot has been seted up on big ring gear of driftage, and the socket has been seted up at the top of this guide slot, be provided with on the side bearing with guide slot assorted guide pillar, be provided with on this guide pillar with socket assorted inserted block.

Preferably, the guide post is of a cuboid structure, and the guide groove is of an n shape.

Preferably, the insertion block is of a trapezoidal structure, and the insertion opening is a trapezoidal groove.

Preferably, a sliding gasket and a side sliding pad are further arranged between the side bearing and the yaw large gear ring.

Preferably, the side bearing and the yaw bull gear are fastened by a plurality of bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

through the guiding mechanism who designs, utilize the collocation of guide pillar and guide slot and the collocation of inserted block and socket, increased the direction that side bearing and big ring gear of driftage are connected for side bearing and the fixed more swift of big ring gear of driftage.

Drawings

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

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

FIG. 3 is a schematic view of the connecting structure of the lateral bearing and the yawing ring gear of the present invention;

fig. 4 is an enlarged schematic structural diagram of a Q region in fig. 3 according to the present invention;

in the figure: 1. a yaw large gear ring; 2. a yaw motor; 3. a side bearing; 4. a pinion gear; 5. a sliding liner; 6. a side sliding pad; 7. a socket; 8. a guide groove; 9. inserting a block; 10. and (6) a guide pillar.

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, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a yawing assembly for a wind turbine generator comprises a yawing bull gear 1, a yawing motor 2, a side bearing 3 and a guide mechanism, wherein one end of the yawing motor 2 is provided with a pinion 4, the pinion 4 is meshed with the yawing bull gear 1, the side bearing 3 is installed on the yawing bull gear 1, the guide mechanism comprises a socket 7, a guide groove 8, an insert block 9 and a guide pillar 10, the yawing bull gear 1 is provided with the guide groove 8, the top of the guide groove 8 is provided with the socket 7, the side bearing 3 is provided with the guide pillar 10 matched with the guide groove 8, the guide pillar 10 is provided with the insert block 9 matched with the socket 7, when the side bearing 3 is connected with the yawing bull gear 1, the guide pillar 10 on the side bearing 3 is inserted into the guide groove 8 on the yawing bull gear 1, the insert block 9 on the guide pillar 10 is inserted into the socket 7 on the guide groove 8, the guide pillar 10 is matched with the guide groove 8, and the insert block 9 is matched with the socket 7, the guide of the connection of the side bearing 3 and the large yawing gear ring 1 is increased, so that the side bearing 3 and the large yawing gear ring 1 are fixed more quickly.

In this embodiment, preferably, the guide post 10 is a rectangular parallelepiped structure, and the guide groove 8 is "n" type, which facilitates the matching between the guide post 10 and the guide groove 8.

In this embodiment, preferably, the insertion block 9 is a trapezoid structure, and the insertion opening 7 is a trapezoid groove, so that the insertion block 9 and the insertion opening 7 can be conveniently matched.

In this embodiment, preferably, a sliding pad 5 and a side sliding pad 6 are further disposed between the side bearing 3 and the yaw ring gear 1, so as to further increase the tightness of the fitting.

In the present embodiment, it is preferable that the side bearing 3 and the yaw ring gear 1 are fastened by a plurality of bolts so that the side bearing 3 and the yaw ring gear 1 are fastened.

The utility model discloses a theory of operation and use flow: when the side bearing 3 is connected with the yawing big gear ring 1, a guide post 10 on the side bearing 3 is inserted into a guide groove 8 on the yawing big gear ring 1, an insert block 9 on the guide post 10 is inserted into an insert 7 on the guide groove 8, and the connection guidance of the side bearing 3 and the yawing big gear ring 1 is increased by utilizing the matching of the guide post 10 and the guide groove 8 and the matching of the insert block 9 and the insert 7, so that the side bearing 3 and the yawing big gear ring 1 are fixed more quickly;

the yaw motor 2 drives the pinion 4 to rotate, the pinion 4 is meshed with the yaw large gear ring 1 and is called a yaw driving device together with the yaw motor 2, the yaw driving device is fastened on the main frame through bolts, the yaw large gear ring 1 is fastened on a tower barrel flange through a plurality of bolts and cannot rotate, and the pinion 4 rotates around the yaw large gear ring 1 to drive the main frame to rotate until the position of the engine room is consistent with the wind direction measured by the anemoscope.

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 driftage subassembly that wind turbine generator system used, includes big ring gear of driftage (1), yaw motor (2), side bearing (3) and guiding mechanism, the one end of yaw motor (2) is provided with pinion (4), and pinion (4) and big ring gear of driftage (1) mesh mutually, install on big ring gear of driftage (1) side bearing (3), its characterized in that: the guide mechanism comprises a socket (7), a guide groove (8), an insert block (9) and a guide post (10), the guide groove (8) is formed in the large yawing gear ring (1), the socket (7) is formed in the top of the guide groove (8), the guide post (10) matched with the guide groove (8) is arranged on the side bearing (3), and the insert block (9) matched with the socket (7) is arranged on the guide post (10).

2. The yaw assembly for a wind turbine generator as set forth in claim 1, wherein: the guide post (10) is of a cuboid structure, and the guide groove (8) is of an n shape.

3. The yaw assembly for a wind turbine generator as set forth in claim 1, wherein: the plug block (9) is of a trapezoidal structure, and the socket (7) is of a trapezoidal groove.

4. The yaw assembly for a wind turbine generator as set forth in claim 1, wherein: and a sliding gasket (5) and a side sliding pad (6) are also arranged between the side bearing (3) and the yaw large gear ring (1).

5. The yaw assembly for a wind turbine generator as set forth in claim 1, wherein: the side bearing (3) and the yaw large gear ring (1) are fastened through a plurality of bolts.