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METHOD OF MAINTAINING HYDRAULIC PUMP OF THE HYDRAULIC TRANSMISSION IN A RENEWABLE ENERGY TURBINE GENERATOR AND HYDRAULIC PUMP IN A RENEWABLE ENERGY TURBINE GENERATOR
METHOD OF MAINTAINING HYDRAULIC PUMP OF THE HYDRAULIC TRANSMISSION IN A RENEWABLE ENERGY TURBINE GENERATOR AND HYDRAULIC PUMP IN A RENEWABLE ENERGY TURBINE GENERATOR
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机译:维护可再生能源涡轮发电机中液压传动的液压泵和可再生能源涡轮发电机中液压泵的方法
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摘要
A hydraulic pump comprises (1) an outward ring (24), including demountable blocks (30) comprising piston cylinders (32), and an inward ring (21), comprising a ring cam (23), coupled through a drive shaft (8) to the blades of a turbine (4). To enable maintenance, the outward ring is decoupled from a torque limiting device (16, 17) and rotated relative to the inward ring. Demountable blocks are then removed from the outward ring using a crane (61) including a line (62) extending from above the centre of mass of the demountable block and including a resilient portion (66) so that although the crane supplies the majority of the force required to remove the demountable block, an operator provides some force, enabling the process to be controlled. The method is suitable for maintaining large hydraulic pumps in wind turbine nacelles (2).
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