带式输送机的常用驱动装置有两种，一种是外部驱动装置，由电机、减速机、滚筒组成，占地面积较大；另一种是油冷式电滚筒，电机、渐开线齿轮全部装在滚筒腔内，并浸在油中。由于电机运转时发热，易使电机与滚筒连接处的密封胶圈过早老化而损坏，造成泄漏，导致油进入电机... Belt conveyor with two kinds of common drive, one is the external drive, the motor, reducer, drum composition, covers an area larger; the other is oil-cooled electric drum, motor, involute gear All installed in the drum cavity, and immersed in oil. As the motor is running fever, easy to make the motor and the drum junction of the sealing ring premature aging damage, resulting in leakage, resulting in oil into the motor ...