A service crane for a wind turbine is provided. The wind turbine includes a tower and a nacelle mounted to the top of the tower. The service crane is mounted to the nacelle and includes a boom, a hoist rope guided along the boom and a winch capable of reeling in and out the hoist rope for lifting or
A service crane for a wind turbine is provided. The wind turbine includes a tower and a nacelle mounted to the top of the tower. The service crane is mounted to the nacelle and includes a boom, a hoist rope guided along the boom and a winch capable of reeling in and out the hoist rope for lifting or lowering a load. Furthermore, a nacelle is provided which includes a service crane mounted thereto.
대표청구항▼
1. A service crane for a wind turbine, the wind turbine comprising a tower and a nacelle mounted to the top of the tower, wherein the service crane is mounted to the nacelle and comprises: a boom;a hoist rope guided along the boom; anda winch that reels the hoist rope in and out in order to lift or
1. A service crane for a wind turbine, the wind turbine comprising a tower and a nacelle mounted to the top of the tower, wherein the service crane is mounted to the nacelle and comprises: a boom;a hoist rope guided along the boom; anda winch that reels the hoist rope in and out in order to lift or lower a load,wherein the service crane is configured in order to lift a load from a position inside the tower of the wind turbine to the nacelle,wherein the nacelle comprises at least one hatch to the outside of the nacelle and wherein the service crane is configured such that the boom is capable of reaching through the at least one hatch to the outside of the nacelle so that the service crane is capable of lifting a load from a position adjacent to a base of the tower to the nacelle,wherein the nacelle further comprises a helihoist platform and a hatch at an upper side of the nacelle, and wherein the service crane is configured such that its boom is capable of reaching through the hatch at the upper side of the nacelle to the outside of the nacelle and over the helihoist platform so that the service crane is capable of lifting a load from the helihoist platform to the inside of the nacelle,wherein the service crane is mounted inside the nacelle, the service crane having a retracted position in which the service crane is completely comprised inside a canopy of the nacelle. 2. The service crane according to claim 1, wherein the service crane is mounted to a bed frame of the nacelle. 3. The service crane according to claim 1, wherein the service crane is a telescopic crane, the boom of the service crane being a telescopic boom that is extendible from a retracted position to an extended position. 4. A service crane for a wind turbine, the wind turbine comprising a tower and a nacelle mounted to the top of the tower, wherein the service crane is mounted to the nacelle and comprises: a boom;a hoist rope guided along the boom; anda winch that reels the hoist rope in and out in order to lift or lower a load,wherein the service crane is arranged in order to lift a load from a position inside the tower of the wind turbine to the nacelle,wherein the service crane is a telescopic crane, the boom of the service crane being a telescopic boom that is extendible from a retracted position to an extended position,wherein the telescopic boom comprises a telescopic base member that is pivotably mounted to a base body of the service crane so as to be pivotable around a pivot point,wherein the telescopic base member comprises in longitudinal direction a first end at which the boom is extendible, andwherein at its end opposite in longitudinal direction to said first end, the telescopic base member extends beyond said pivot point. 5. The service crane according to claim 4, wherein the service crane is reachable outside the nacelle to lift a load from a position adjacent to a base of the tower to the nacelle. 6. The service crane according to claim 4, wherein the boom reaches through a hatch of the nacelle to the outside of the nacelle. 7. The service crane according to claim 4, wherein the service crane is extendable outside the nacelle in order to lift a load from the helihoist platform of the nacelle to the inside of the nacelle. 8. The service crane according to claim 7, wherein the boom is reachable through a hatch at the upper side of the nacelle to the outside of the nacelle and over the helihoist platform. 9. The service crane according to claim 4, wherein the service crane is mounted inside the nacelle, the service crane includes a retracted position in which the service crane is completely comprised inside a canopy of the nacelle. 10. The service crane according to claim 4, wherein the winch is mounted on an upper side of the boom. 11. The service crane according to claim 4, wherein the winch is mounted to the boom at a position in longitudinal direction of the boom that is adjacent to the longitudinal position of the pivot point. 12. The service crane according to claim 11, wherein the winch is mounted on a side of the boom that is in lateral direction of the boom opposite to the side of the boom at which the pivot point is located. 13. A nacelle of a wind turbine comprising a service crane according to claim 4, wherein the service crane being mounted inside the nacelle. 14. The nacelle according to claim 12, comprising: a canopy including a hatch that is arranged to enable the service crane to reach out through the hatch and to lift a load from a position adjacent to a base of the tower of the wind turbine and/or from a helihoist platform mounted to the nacelle. 15. The nacelle according to claim 13, wherein the nacelle comprises at least a first hatch arranged in the top of the nacelle and a second hatch arranged in the side or rear of the nacelle as to enable the service crane to reach out through the first hatch to lift a load from the helihoist platform mounted to the nacelle and to reach out through the second hatch to lift a load from a position adjacent to a base of the tower of the wind turbine. 16. The nacelle according to claim 12, comprising: a bed frame arranged to carry a generator assembly of the wind turbine,wherein the bed frame further arranged to provide access to the inside of the tower of the wind turbine for the service crane.
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