Generator main shaft grounding device

The utility model relates to a generator main shaft grounding device, which comprises a copper braided brush, a guide part and a grounding lead, and is characterized in that the guide part is arrangedon the outer side of the shaft surface of a generator main shaft and abuts the copper braided brush against the shaft surface of the generator main shaft; one end of the grounding lead is electrically connected with the copper braided brush, and the other end of the grounding lead is grounded. According to the grounding device, the copper braided brush is adopted for grounding, the grounding areais large, the contact effect is good, and higher grounding reliability is achieved through abutting limiting of the guide part; the generator main shaft grounding device is simple in structure, can meet the requirements of large-scale industrial production, and has wide application prospect and market. 本实用新型涉及一种发电机大轴接地装置，所述接地装置包括铜编织辫刷、引导部和接地引线，所述引导部设置在发电机大轴轴面外侧并将所述铜编织辫刷抵接在发电机的大轴轴面上；所述接地引线一端与所述铜编织辫刷电连接，另一端接地。该接地装置采用铜编织辫刷接地