PLANETARY GEAR TRAIN WITH IMPROVED BEARING STRUCTURE AND MANUFACTURE METHOD OF THE SAME
First Claim
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1. A planetary gear train, comprising:
- a planetary gear; and
a planetary pin inserted into said planetary gear,wherein said planetary gear includes;
a gear member having teeth formed on an outer face thereof and provided with a through hole;
an intermediate housing inserted into said through hole and provided with an insert hole into which said planetary pin is inserted; and
a plurality of sliding bearing members jointed onto said insert hole of said intermediate housing, andwherein said plurality of sliding bearing members form a sliding bearing which sustains said planetary pin and said planetary gear to be rotatable with each other.
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Abstract
A planetary gear train is provided with a planetary gear and a planetary pin inserted into the planetary gear. The planetary gear includes: a gear member having teeth on the outer face and a through hole; an intermediate housing inserted into the through hole and having an insert hole into which the planetary pin is inserted; and a plurality of sliding bearing members jointed onto the insert hole of the intermediate housing. The plurality of sliding bearing members form a sliding bearing which sustains the planetary pin and the planetary gear to be rotatable with each other.
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Citations
13 Claims
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1. A planetary gear train, comprising:
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a planetary gear; and a planetary pin inserted into said planetary gear, wherein said planetary gear includes; a gear member having teeth formed on an outer face thereof and provided with a through hole; an intermediate housing inserted into said through hole and provided with an insert hole into which said planetary pin is inserted; and a plurality of sliding bearing members jointed onto said insert hole of said intermediate housing, and wherein said plurality of sliding bearing members form a sliding bearing which sustains said planetary pin and said planetary gear to be rotatable with each other. - View Dependent Claims (2, 3, 4, 5)
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6. A bearing structure, comprising:
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an intermediate housing to be inserted into a through hole provided through a gear member having teeth formed on an outer surface thereof and having an insert hole into which a pin is inserted; and a plurality of sliding bearing members jointed onto said insert hole of said intermediate housing, wherein said plurality of sliding bearing members form a sliding bearing. - View Dependent Claims (7, 8, 9)
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10. A wind turbine generator, comprising:
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a wind turbine rotor including a rotor head and a wind turbine blade coupled to said rotor head; a gear box including an input shaft jointed to said rotor head; and a generator jointed to an output shaft of said gear box, wherein said gear box includes a planetary gear train, wherein said planetary gear train includes a planetary gear; and
a planetary pin inserted into said planetary gear,wherein said planetary gear includes; a gear member having teeth formed on an outer surface thereof and provided with a through hole; an intermediate housing inserted into said through hole and provided with an insert hole into which said planetary pin is inserted; and a plurality of sliding bearing members jointed onto said insert hole of said intermediate housing and arranged in a circumferential direction of said planetary pin, and wherein said plurality of sliding bearing members form a sliding bearing which sustains said planetary pin and said planetary gear to be rotatable with each other.
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11. A manufacture method of a planetary gear having a structure in which a planetary pin is inserted through an insert hole of a planetary gear train, said method comprising steps of:
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providing an intermediate housing through which said insert hole is provided; jointing a plurality of sliding bearing members onto said insert hole of said intermediate housing, said sliding bearing members forming a sliding bearing; and fitting said intermediate housing into a through hole of a gear member having teeth on an outer face thereof. - View Dependent Claims (12, 13)
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Specification