Wind turbine comprising a moment bearing

A technology for wind turbines and bearings, used in wind turbines, bearings, roller bearings, etc., can solve problems such as expansion and bearing seizure

Active Publication Date: 2018-12-21
YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This in turn generates heat in the individual rings, causing the rings t

Method used

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  • Wind turbine comprising a moment bearing
  • Wind turbine comprising a moment bearing
  • Wind turbine comprising a moment bearing

Examples

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Embodiment Construction

[0074] figure 1 An exemplary embodiment of a wind turbine 1 according to the invention is shown comprising a wind turbine tower 2 arranged on a foundation. Here the foundation is provided as an onshore foundation, but an offshore foundation could also be used. The nacelle 3 is arranged on the wind turbine tower 2, eg via a yaw bearing system. The rotor 4 is rotatably arranged relative to the nacelle 3 and comprises a hub 5 mounted to at least two wind turbine blades 6, eg via a pitch bearing system.

[0075] The wind turbine blade 6 is shown here as a full-span wind turbine blade, but partial pitch wind turbine blades may also be used. A partial pitch wind turbine blade comprises an inner blade section and an outer blade section, wherein a pitch bearing system is arranged between the two blade sections.

[0076] figure 2 An exemplary embodiment of the rotor 4 and the nacelle 3 is shown. Here, only the hub 5 of the rotor 4 and the main frame 7 of the nacelle 3 are shown f...

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PUM

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Abstract

The invention relates to a wind turbine comprising a rotor with a hub, a nacelle with a mainframe, and a moment bearing arranged between the hub and mainframe. The moment bearing comprises an inner ring and an outer ring between which at least one row of rotatable bearing elements is arranged. The individual bearing elements are substantially held in place by a cage located between the inner and outer rings. The outer ring further comprises a first and a second shoulder for transferring axial loads in both directions from the bearing elements to the outer ring. The moment bearing further comprises at least a first seal element configured to close off the chamber de- fined by the inner and outer rings, wherein said first seal element contacts a contact surface on the outer ring. This provides an improved heat transfer where most of the generated heat is transferred to the mainframe.

Description

technical field [0001] The invention relates to a wind turbine comprising a wind turbine tower, a nacelle arranged relative to the wind turbine tower and a rotor rotatably arranged relative to the nacelle, the rotor comprising a hub comprising at least a first mounting interface facing the nacelle, the nacelle comprising A main frame with a second mounting interface facing the rotor, wherein a moment bearing is arranged between the nacelle and the rotor, the moment bearing includes an inner ring mounted to the first mounting interface and an outer ring mounted to the second mounting interface, the inner ring includes a facing A first raceway of the outer ring, the outer ring includes a second raceway facing the inner ring, wherein a plurality of rotatable bearing elements are arranged between the first raceway and the second raceway. Background technique [0002] The bearing units used in modern wind turbines today are designed as large, heavy bearing units set up to absorb ...

Claims

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Application Information

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IPC IPC(8): F03D80/70F16C19/38F16C33/60
CPCF16C33/60F03D80/70F16C19/386F16C33/585F16C2360/31F16C33/6614F16C33/6651F16C33/7889Y02E10/72
Inventor 克劳斯·克特·克里斯滕森安德斯·瓦明·雷布斯多夫
Owner YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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