Method for assembling a rotor bearing of a wind turbine

Patent metadata

Field	Value
Publication number	US-12098709-B2
Application number	US-202118039001-A
Country	US
Kind code	B2
Filing date	Aug 30, 2021
Priority date	Nov 30, 2020
Publication date	Sep 24, 2024
Grant date	Sep 24, 2024

Abstract

In accordance with a method for assembling a rotor bearing arrangement of a wind turbine, individual slide bearing pads are inserted in the bearing block. The bearing block fitted with the slide bearing pads is then joined to a rotor block. During the joining of the rotor shaft and of the bearing block fitted with the slide bearing pads, the rotor shaft may be installed on a rotor shaft support so as to be vertically upright. A rotor shaft flange of the rotor shaft may rest on the rotor shaft support. The bearing block fitted with the slide bearing pads may be placed upon the rotor shaft vertically from above.

First claim

The invention claimed is:

1. A method for assembling a rotor bearing arrangement of a wind turbine, comprising the method steps:
providing a rotor shaft;
providing a bearing block;
providing individual slide bearing pads;
inserting the slide bearing pads in the bearing block; and
joining the rotor shaft and the bearing block fitted with the slide bearing pads;
wherein, during the joining of the rotor shaft and the bearing block fitted with the slide bearing pads, the rotor shaft is installed on a rotor shaft support so as to be vertically upright, wherein a rotor shaft flange of the rotor shaft rests on the rotor shaft support and wherein the bearing block fitted with the slide bearing pads is placed upon the rotor shaft vertically from above;
wherein the bearing block is received on a receiving carriage of a receiving device and is guided by means of the receiving carriage, and wherein the receiving carriage is received on the receiving device by means of a linear guide so as to be displaceable in a vertical direction.

2. The method according to claim 1 , wherein, prior to the joining of the rotor shaft and of the bearing block fitted with the slide bearing pads, a slide bearing pad reception ring is received on the rotor shaft, wherein the slide bearing pad reception ring serves to affix the slide bearing pads.

3. The method according to claim 1 , wherein, prior to the joining of the rotor shaft and of the bearing block fitted with the slide bearing pads, a rotor shaft protection in a form of a sleeve is arranged on the rotor shaft, wherein the rotor shaft protection covers parts of the rotor shaft over which the bearing block fitted with the slide bearing pads is moved during transfer to a respective seat of the slide bearing pads.

4. The method according to claim 1 , wherein, when inserting the slide bearing pads in the bearing block, the slide bearing pads are individually placed in the bearing block, wherein the slide bearing pads have a reception on a respective inner face for connecting the slide bearing pads with a lifting device.

5. The method according to claim 4 , wherein, when inserting the slide bearing pads in the bearing block, at least one slide bearing pad of the slide bearing pads is moved radially outward in order to bring the at least one slide bearing pad into contact with a mating surface.

6. The method according to claim 4 , wherein, each time after placing one of the slide bearing pads in the bearing block, the one slide bearing pad just placed in the bearing block is affixed to the bearing block by means of a connector having at least one screw.

7. The method according to claim 6 , wherein, after the joining of the rotor shaft and of the bearing block fitted with the slide bearing pads, the connector having at least one screw is removed, and the one slide bearing pad is subsequently affixed to a slide bearing pad reception ring.

8. The method according to claim 4 , wherein a last of the slide bearing pads which is placed in the bearing block is inserted in the bearing block in an axial direction through a removal opening.

9. The method according to claim 1 , wherein the assembly of the rotor bearing arrangement is done remote from a nacelle of a wind turbine and wherein, in a subsequent method step, the readily assembled rotor bearing arrangement is lifted onto the nacelle of the wind turbine by means of a crane and is affixed to the nacelle of the wind turbine.

10. The method according to claim 1 , wherein the individual slide bearing pads are inserted in an outer ring element in succession, wherein the individual slide bearing pads are positioned below a connection ring in an axial direction and are subsequently displaced radially outward into a displaced position and are subsequently coupled with the connection ring, wherein the connection ring serves to hold the slide bearing pads in the displaced position temporarily.

Assignees

• Miba Gleitlager Austria Gmbh

Inventors

• Loitesberger Alexander
• Waldl Albert
• Laubichler Patrick

Classifications

• F16C23/043

  with spherical surfaces, e.g. spherical plain bearings · CPC title

• Y10T29/4932

  Turbomachine making · CPC title

• B23P15/00

  Making specific metal objects by operations not covered by a single other subclass or a group in this subclass · CPC title

• F16C43/02 Primary

  Assembling sliding-contact bearings · CPC title

• F16C41/04

  Preventing damage to bearings during storage or transport thereof or when otherwise out of use · CPC title