The input end of the invention relates to a wind turbine gearbox, the input shaft through the bearing mounted on the flange connected by the bolt and the input end of the flange body, characterized in that the input shaft and flange joint is provided with an oil seal and bearing, input shaft seal is located in front of the bearing, wherein the bearing seal for SSB the deep groove ball bearing, the sealing surface is located on the side of the gear box; the flange is provided with a lubricating grease port and grease overflow port, is also provided with a pair of lubricating oil plug; the grease injection port and grease overflow port through the shaft gap communication between the oil passage and the oil seal and bearing; gear cavity communicate the lube oil plug and gear box. The utility model has the advantages that the structure is compact, the lubrication effect of the bearing is good, the service life is long, and the input shaft is operated more stably.
【技术实现步骤摘要】
【技术保护点】
１．一种风力发电机齿轮箱的输入端，输入轴通过轴承安装于法兰，法兰通过螺栓与输入端的箱体固定连接，其特征在于：ａ）输入轴与法兰结合部设有油封和轴承，油封位于轴承前端的输入轴上，所述的轴承为单边带密封面的深沟球轴承，其密封面位于齿轮箱一侧；ｂ）所述的法兰上设有润滑油脂注入口和润滑油脂外溢口，还设有一对润滑油塞；ｃ）所述的润滑油脂注入口和润滑油脂外溢口通过油道与油封和轴承之间的轴间隙沟通；所述的润滑油塞与齿轮箱的齿轮腔沟通。
【技术特征摘要】
【专利技术属性】
技术研发人员：刘建国，袁包钢，王朝阳，钱荣，
申请(专利权)人：南京高速齿轮制造有限公司，
类型：发明
国别省市：84
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