A kind of power-operated mower of band support formula cutter head, support including operation boom end is arranged in, a upward open cavity is provided on the support, driving motor is installed in the cavity, the cap of a masking driving motor is connected on the port of cavity, the bottom wall Hou that the output shaft of the driving motor extends downwardly support is fixedly connected with a blade sleeve, blade is equipped on the blade sleeve, the blade is compressed by the fastening nut that output shaft end is arranged in, have the characteristics that structure it is simple, it is easy to implement, at low cost, overhaul less expenditure, highly-safe.一種帶托式刀頭的電動割草機，包括設置在操作杆端部的支座，該支座上設置有一向上敞口的凹腔，該凹腔中安裝有驅動電機，凹腔的埠上連接有一遮蔽驅動電機的帽蓋，該驅動電機的輸出軸向下伸出支座的底壁後固定連接有一刀片套，該刀片套上套置有刀片，該刀片由設置在輸出軸末端的緊固螺母壓緊，具有結構簡單、實施方便、成本低、檢修支出少、安全性高等特點。
