Title:
BLADE REPLACEMENT AND INSTALLATION TOOL
Document Type and Number:
WIPO Patent Application WO/2018/149372
Kind Code:
A1
Abstract:
Blade replacement and installation tool for a wind turbine (1), comprising a lever arm (9) with a first end (10) and a second end (11), where the tool further comprises: at least one gear motor (12), one bearing (13) and one gear ring (14) which are relatively arranged at the first end (10) of the lever arm (9), the gear motor (12) being fixed to the lever arm (9) and the gear ring (14) being configured for installation on a hub, where the gear ring (14) is geared with the at least one gear motor (12), where the bearing (13) is positioned between the gear ring (14) and the lever arm (9) and where a flexible connection member (15) is arranged at the second end (11) of the lever arm (9) configured for fixation to a ground fixation point, whereby a less complicated, easier to use and much safer tool for operating a wind turbine (1) is achieved.
Inventors:
NIELSEN THOMAS KRAG (DK)
Application Number:
PCT/CN2018/076239
Publication Date:
August 23, 2018
Filing Date:
February 11, 2018
Export Citation:
Assignee:
ENVISION ENERGY JIANGSU CO LTD (CN)
International Classes:
F03D13/10
Foreign References:
| US20150308467A1 | 2015-10-29 | |||
| EP2924283A1 | 2015-09-30 | |||
| DE102007009575A1 | 2008-08-28 | |||
| EP2987999A1 | 2016-02-24 | |||
| CN104234931A | 2014-12-24 |
Attorney, Agent or Firm:
GUANGZHOU SINO PATENT & TRADEMARK AGENT CO., LTD. (CN)
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