ASSEMBLY STAND FOR ASSEMBLING A GEARBOX UNIT AND A MAIN SHAFT OF WIND TURBINE
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United States of America Patent
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app pub date -
Oct 27, 2015
filing date -
Nov 7, 2014
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Abstract
An assembly stand and an assembly method for assembling a gear unit and a main shaft unit of a wind turbine in which the assembly stand has a main shaft frame unit and a gear frame unit arranged on a base frame, wherein both frame units have adjustment means for adjusting the position of the main shaft unit and the gear unit in at least a horizontal or vertical direction. The main shaft unit and the gear unit are aligned by using a light source emitting a light beam onto removable guiding elements. The main shaft unit is positioned on a slidable seat and pulled into contact with the gear unit by pulling elements located on a moveable unit. The pulling element is connected to the gear unit via a wire extending through the main shaft unit.
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