CN217269563U

CN217269563U - Wind turbine generator system tower section of thick bamboo door axle

Info

Publication number: CN217269563U
Application number: CN202221001083.2U
Authority: CN
Inventors: 王向伟; 刘毅; 刘子漳; 武环宇; 施响阳
Original assignee: Hebei Branch Of Huaneng New Energy Co ltd
Current assignee: Hebei Branch Of Huaneng New Energy Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-23
Anticipated expiration: 2032-04-24
Also published as: DK202200061U3

Abstract

The utility model discloses a wind turbine generator system tower section of thick bamboo door axle, including first plane thrust ball bearing, second plane thrust ball bearing, door shaft overcoat and set up in the door shaft overcoat and with the first coaxial pivot that sets up of door shaft, first plane thrust ball bearing and second plane thrust ball bearing overlap respectively the both ends of pivot and respectively with the inner wall connection of door shaft overcoat, second plane thrust ball bearing sets up on the door frame, the outer wall of door shaft overcoat is connected with a tower section of thick bamboo door; the utility model discloses a set up first plane thrust ball bearing and second plane thrust ball bearing, shift the weight of tower section of thick bamboo door to on first plane thrust ball bearing and second plane thrust ball bearing's the ball, reduce the friction of door-hinge and door frame to through this setting of oiling mouth, make first plane thrust ball bearing and second plane thrust ball bearing keep lubricated constantly, reduce the frictional resistance between ball and the pivot, and then reach the purpose of the life of extension door-hinge.

Description

Wind turbine generator system tower section of thick bamboo door axle

Technical Field

The utility model relates to a wind power tower section of thick bamboo door-hinge technical field especially relates to a wind turbine generator system tower section of thick bamboo door-hinge.

Background

The wind power tower barrel is a tower pole of wind power generation, and mainly plays a supporting role in a wind generating set and absorbs the vibration of the set.

Wind turbine generator system tower section of thick bamboo door is the indispensable partly of wind turbine generator system, and present tower section of thick bamboo door passes through door-hinge supporting component and tower section of thick bamboo door frame welding, and tower section of thick bamboo door hinge is connected with the pivot and is constituted tower section of thick bamboo door subassembly, and tower section of thick bamboo door is comparatively heavy, and it exposes in the field in addition, and the door-hinge more or less all has the jam condition, and tower section of thick bamboo door opening and closing difficulty has been a general problem, has seriously influenced production efficiency and has caused the waste of manpower. For this reason, there are two main reasons: firstly, the tower barrel door is heavy, so that the abrasion of a door shaft is serious; secondly, the door shaft is rusted in the field environment.

In rust-resistant and wind power tower section of thick bamboo's of being convenient for change door shaft mechanism that loses like publication No. CN206753826U, including articulated shaft subassembly and articulated axle sleeve subassembly, wherein, the articulated shaft subassembly includes the articulated shaft, establish the apron in the articulated shaft bottom and establish the pivot in the apron bottom, can dismantle the door plant fixed plate and the connecting plate of being connected with the door leaf, wherein, connecting plate one end and articulated shaft fixed connection, the other end and door plant fixed plate fixed connection, when the pivot in rotatory process because the tower section of thick bamboo door self is very heavy, very easily cause the door shaft wearing and tearing serious, influence life.

In order to solve the problem, the utility model provides a wind turbine generator system tower section of thick bamboo door axle solves wind turbine generator system tower section of thick bamboo door axle easy wearing and tearing corrosion in the past, problem that life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind turbine generator system tower section of thick bamboo door-hinge reaches the purpose that improves a wind turbine generator system tower section of thick bamboo door-hinge's life.

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

the utility model provides a wind turbine generator system tower section of thick bamboo door axle, includes first plane thrust ball bearing, second plane thrust ball bearing, door axle overcoat and sets up in the door axle overcoat and with the pivot of the coaxial setting of door axle stub axle, first plane thrust ball bearing and second plane thrust ball bearing overlap respectively the cover establish the both ends of pivot and respectively with the inner wall connection of door axle overcoat, second plane thrust ball bearing sets up on the door frame, the outer wall and the tower section of thick bamboo door of door axle overcoat are connected.

Preferably, still include the oil filler point, set up on the door hinge overcoat with oil filler point assorted through-hole, the through-hole extends to the pivot, set up on the through-hole inner wall with the external screw thread assorted internal thread of oil filler point, the oil filler point pass through the through-hole with door hinge overcoat intercommunication.

Preferably, the door hinge assembly further comprises an upper end cover, wherein the upper end cover is arranged at the upper end of the door hinge outer sleeve and used for plugging the upper end of the door hinge outer sleeve.

Preferably, the second plane thrust ball bearing is welded with a door frame, and the door shaft outer sleeve is welded with the tower tube door.

Preferably, the outer wall of the door shaft outer sleeve is provided with an anti-rust layer.

Preferably, the first planar thrust ball bearing is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing, and the second planar thrust ball bearing is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing.

The utility model discloses for prior art gain following technological effect:

1. the utility model discloses a set up first plane thrust ball bearing and second plane thrust ball bearing, shift the weight of tower section of thick bamboo door to on first plane thrust ball bearing and second plane thrust ball bearing's the ball, reduce the friction of door-hinge and door frame to through this setting of oiling mouth, make first plane thrust ball bearing and second plane thrust ball bearing keep lubricated constantly, reduce the frictional resistance between ball and the pivot, and then reach the purpose of the life of extension door-hinge.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic structural view of the present invention installed on a tower door;

FIG. 2 is a schematic diagram of an internal structure of a door shaft of a tower door of a wind turbine generator;

wherein, 1, a tower cylinder door; 2. a door frame; 3. a second planar thrust ball bearing; 4. a first planar thrust ball bearing; 5. an oil injection nozzle; 6. a rotating shaft; 7. a door shaft outer sleeve; 8. a ventilation window; 9. a door lock is provided.

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 efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 2, a wind turbine tower door shaft comprises a first planar thrust ball bearing 4, a second planar thrust ball bearing 3, a door shaft sleeve 7 and a rotating shaft 6 which is arranged in the door shaft sleeve 7 and is coaxially arranged with the outer head of the door shaft, wherein the first planar thrust ball bearing 4 and the second planar thrust ball bearing 3 are respectively sleeved at two ends of the rotating shaft 6 and are respectively connected with the inner wall of the door shaft sleeve 7, the second planar thrust ball bearing 3 is arranged on a door frame 2, and the outer wall of the door shaft sleeve 7 is connected with a tower door 1; according to the invention, the first plane thrust ball bearing 4 and the second plane thrust ball bearing 3 are arranged, so that the weight of the tower cylinder door 1 is transferred to the balls of the first plane thrust ball bearing 4 and the second plane thrust ball bearing 3, the friction between the door shaft and the door frame 2 is reduced, the abrasion of the whole door shaft is further reduced, and the purpose of prolonging the service life of the door shaft is achieved.

Referring to fig. 2, still include glib talker 5, seted up on door pivot overcoat 7 with glib talker 5 assorted through-hole, the through-hole extends to pivot 6, set up on the through-hole inner wall with the external screw thread assorted internal thread of glib talker 5, the glib talker passes through-hole and door pivot overcoat 7 intercommunication, through this setting of glib talker 5, make first plane thrust ball bearing 4 and second plane thrust ball bearing 3 keep lubricated constantly, reduce the frictional resistance between ball and the pivot 6, and then reach the purpose of the life of extension door pivot.

Further, still include the upper end cover, the upper end cover sets up in the upper end of door shaft overcoat 7 and carries out the shutoff to the upper end of door shaft overcoat 7, avoids when bad weather, and external rainwater enters into door shaft overcoat 7 in, causes the corruption of pivot 6, first plane thrust ball bearing 4 and second plane thrust ball bearing 3.

Furthermore, the second plane thrust ball bearing 3 is welded with the door frame 2, and the door shaft outer sleeve 7 is welded with the tower tube door 1.

Further, the outer wall of the door shaft outer sleeve 7 is provided with an antirust layer.

Further, the first planar thrust ball bearing 4 is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing, and the second planar thrust ball bearing 3 is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing.

The adaptability that carries out according to actual demand all is in the protection scope of the utility model.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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. The door shaft of the tower drum door of the wind turbine generator is characterized by comprising a first plane thrust ball bearing, a second plane thrust ball bearing, a door shaft outer sleeve and a rotating shaft which is arranged in the door shaft outer sleeve and is coaxially arranged with the outer head of the door shaft, wherein the first plane thrust ball bearing and the second plane thrust ball bearing are respectively sleeved at two ends of the rotating shaft and are respectively connected with the inner wall of the door shaft outer sleeve, the second plane thrust ball bearing is arranged on a door frame, and the outer wall of the door shaft outer sleeve is connected with the tower drum door.

2. The door shaft of the tower cylinder door of the wind turbine generator system according to claim 1, further comprising an oil injection nozzle, wherein a through hole matched with the oil injection nozzle is formed in the door shaft outer sleeve, the through hole extends to the rotating shaft, an internal thread matched with the external thread of the oil injection nozzle is arranged on the inner wall of the through hole, and the oil injection nozzle is communicated with the door shaft outer sleeve through the through hole.

3. The wind turbine tower door spindle according to claim 1, further comprising an upper end cover disposed at and sealing an upper end of the door spindle sleeve.

4. The door shaft of the tower door of the wind turbine generator system as claimed in claim 1, wherein the second planar thrust ball bearing is welded to a door frame, and the door shaft outer sleeve is welded to the tower door.

5. The door shaft of the tower door of the wind turbine generator system as claimed in claim 1, wherein an outer wall of the door shaft outer sleeve is provided with an anti-rust layer.

6. The door shaft of the tower door of the wind turbine generator system according to claim 1, wherein the first planar thrust ball bearing is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing, and the second planar thrust ball bearing is a three-piece planar thrust ball bearing or a five-piece planar thrust ball bearing.