The hoisting device of the elevator comprises a main body; a shaft part protruding from the main body; a bearing disposed around the shaft portion; a rotating member that rotates about a shaft portion; and a sheave that rotates integrally with the rotating member, the main body having: a cylindrical portion; an annular bottom part protruding from the inner peripheral surface of the cylindrical part; a connecting portion protruding from an inner bottom surface of the bottom portion and connected to the shaft portion; and a stator fixed to the inner circumferential surface of the cylindrical portion, the rotating member having: a bearing fitting portion fitted to the bearing; a cylindrical rotor portion extending from the bearing fitting portion toward the inner bottom surface of the bottom portion and disposed with a gap from the inner peripheral surface of the stator; a cylindrical oil trap part extending from the top end of the rotor part toward the inner bottom surface of the bottom part; and a brake action portion disposed on the outer peripheral side of the rotor portion, the oil trap portion having an inner peripheral surface that expands in diameter as the oil trap portion approaches the inner bottom surface of the bottom portion.
电梯的卷扬装置具有:主体;轴部,从主体突出;轴承,配置于轴部的周围;旋转构件,以轴部为中心旋转;以及绳轮,与旋转构件一体地旋转,主体具有:圆筒部;圆环状的底部,从圆筒部的内周面突出;连接部,从底部的内底面突出并与轴部连接;以及定子,固定于圆筒部的内周面,旋转构件具有:轴承嵌合部,与轴承嵌合;圆筒状的转子部,从轴承嵌合部朝向底部的内底面延伸并与定子的内周面隔开间隙地配置;圆筒状的截油部,从转子部的顶端朝向底部的内底面延伸;以及制动作用部,配置于转子部的外周侧,截油部具有随着接近底部的内底面而扩径的内周面。
Winding device of elevator and elevator
电梯的卷扬装置以及电梯
2024-03-15
Patent
Electronic Resource
Chinese