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Semi-direct-driven wind turbine generator

A wind turbine, semi-direct drive technology, applied to mechanical equipment, transmission parts, and grounding device connections, etc., can solve problems such as poor cooling effect, shortened service life of bearings, and increased maintenance costs of wind turbines

Inactive Publication Date: 2017-06-13
NANJING HIGH DRIVE ELECTROMECHANICAL AUTOMATION EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor cooling effect of the current semi-direct drive wind turbines, the service life of the bearings is greatly shortened, thereby increasing the maintenance cost of the wind turbines

Method used

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  • Semi-direct-driven wind turbine generator
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  • Semi-direct-driven wind turbine generator

Examples

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Embodiment Construction

[0035] Hereinafter, embodiments of the semi-direct drive wind power generator of the present invention will be described with reference to the accompanying drawings.

[0036] The examples described here are specific specific implementations of the present invention, and are used to illustrate the concept of the present invention. They are all explanatory and exemplary, and should not be construed as limiting the implementation of the present invention and the scope of the present invention. In addition to the embodiments described here, those skilled in the art can also adopt other obvious technical solutions based on the claims of the application and the content disclosed in the description, and these technical solutions include making any obvious replacements for the embodiments described here. and modified technical solutions.

[0037] The accompanying drawings in this specification are schematic diagrams, which assist in explaining the concept of the present invention, and...

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Abstract

The invention discloses a semi-direct-driven wind turbine generator comprising a gear box, a front end housing and a generator, wherein the generator and the gear box are connected into a whole via the front end housing; a bearing block hole coaxial with the front end housing is formed in the top of the front end housing, for installing a bearing unit; a liquid cooling pipe is arranged around the bearing block hole on the inner side of the front end housing; a pipe cover plate is installed on the liquid cooling pipe, used for sealing the liquid cooling pipe; furthermore, a liquid inlet and a liquid outlet are formed in two ends of the pipe cover plate, to ensure that cooling liquid flows a circle along the liquid cooling pipe after entering the liquid cooling pipe via the liquid inlet, to take heat generated by a bearing in operation away, and drains from the liquid outlet. The semi-direct-driven wind turbine generator provided by the invention is good in cooling effect, long in service life and low in maintenance cost.

Description

technical field [0001] The invention relates to a wind power generator, in particular to a semi-direct drive wind power generator. Background technique [0002] In a semi-direct drive wind turbine, the generator is the energy conversion device and the gearbox is the transmission device. When working, the bearing is a rotating load-bearing part, which has high requirements on the temperature environment. Only when it operates within a reasonable temperature range can its long service life be guaranteed. However, due to the poor cooling effect of the current semi-direct drive wind turbines, the service life of the bearings is greatly shortened, thereby increasing the maintenance cost of the wind turbines. [0003] Therefore, it is necessary to improve the semi-direct drive wind generator. Contents of the invention [0004] The object of the present invention is to provide a semi-direct drive wind generator with good cooling effect, long service life and low maintenance cos...

Claims

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Application Information

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IPC IPC(8): F16H57/04F16H57/031H02K11/40
CPCF16H57/031F16H57/0417F16H57/0471F16H2057/02034
Inventor 廖恩荣薛文彦王恒俭任志刚张涛
Owner NANJING HIGH DRIVE ELECTROMECHANICAL AUTOMATION EQUIP CO LTD
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