EXTERNAL LADDER ASSEMBLY FOR WIND TURBINE NACELLE
First Claim
1. An external ladder assembly for a nacelle of a wind turbine, the ladder assembly comprising:
- at least one ladder comprising parallel side legs and a plurality of rungs arranged between the parallel side legs;
a ladder platform arranged with the ladder and configured for placement atop the nacelle; and
,a mounting assembly for affixing the ladder platform atop the nacelle, the mounting assembly being adjustable between multiple positions so as to level the ladder platform atop the nacelle,wherein the at least one ladder and the ladder platform provide access to one or more uptower, external features of the wind turbine.
2 Assignments
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Accused Products
Abstract
An external ladder assembly for a nacelle of a wind turbine includes at least one ladder having parallel side legs and a plurality of rungs arranged between the parallel side legs. The ladder assembly also includes a ladder platform arranged with the ladder and configured for placement atop the nacelle. Further, the ladder assembly includes a mounting assembly for affixing the ladder platform atop the nacelle. More specifically, the mounting assembly is adjustable between multiple positions so as to level the ladder platform atop the nacelle. Thus, the ladder assembly provides access to one or more uptower, external features of the wind turbine.
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Citations
20 Claims
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1. An external ladder assembly for a nacelle of a wind turbine, the ladder assembly comprising:
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at least one ladder comprising parallel side legs and a plurality of rungs arranged between the parallel side legs; a ladder platform arranged with the ladder and configured for placement atop the nacelle; and
,a mounting assembly for affixing the ladder platform atop the nacelle, the mounting assembly being adjustable between multiple positions so as to level the ladder platform atop the nacelle, wherein the at least one ladder and the ladder platform provide access to one or more uptower, external features of the wind turbine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 17, 18, 20)
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12. A method for providing access to one or more uptower, external features of a wind turbine without the use of a crane, the method comprising:
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mounting a mounting assembly to a top wall of a nacelle of the wind turbine; securing a ladder platform atop the mounting assembly; adjusting the ladder platform via the mounting assembly until the ladder platform is level on the top wall; and
,securing a ladder to the ladder platform so as to provide access to the one or more uptower, external features of the wind turbine. - View Dependent Claims (13, 14, 15, 16)
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19. A nacelle assembly of a wind turbine mounted atop a tower, the nacelle assembly comprising:
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a nacelle defining, at least, a plurality of side walls and a top wall; an external ladder assembly, comprising; at least one ladder arranged adjacent to one of the plurality of side walls of the nacelle; a ladder platform arranged on the top wall of the nacelle with the at least one ladder; and
,a mounting assembly affixing the ladder platform to the top wall, the mounting assembly being adjustable between multiple positions so as to level the ladder platform on the top wall.
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Specification