The invention discloses a direct-drive outer rotor hub integrated motor of a large electric wheel mining dump truck, which relates to the technical field of driving systems of electric wheel mining dump trucks and comprises a rotor hub shell, a stator core and a stator shaft, a second end cover and a first end cover are fixed at the left end and the right end of the rotor hub shell, and a permanent magnet block is mounted on the inner wall of the rotor hub shell. A stator coil is arranged on the stator core, a cooling loop is arranged between the stator core and the stator shaft, and bearings are arranged between the stator shaft and the first end cover and between the stator shaft and the second end cover. The hub is also an outer rotor of the motor. Compared with a direct-drive wheel edge motor, the axial length, the weight and the cost are further reduced; the structure is compact, the failure rate is low, and the maintenance is simple; the variable-frequency permanent magnet synchronous motor is of a permanent magnet structure, an inner stator is a coil and an iron core and adopts a water cooling structure, the heat dissipation effect is good, the power density is high, the structure is compact, and the efficiency is high; the weight of the whole vehicle is borne by an outer rotor hub and a tire bearing which are sleeved on a motor stator shaft.
本专利公开了大型电动轮矿用自卸车直驱外转子轮毂一体式电机,涉及电动轮矿用自卸车驱动系统技术领域,包括转子轮毂外壳、定子铁芯和定子轴,转子轮毂外壳的左右端固定有端盖二和端盖一,转子轮毂外壳的内壁安装永磁块,定子铁芯上有定子线圈,定子铁芯与定子轴之间有冷却回路,定子轴与端盖一、端盖二之间设有轴承。本专利是轮毂亦是电机的外转子并具有:相较于直驱轮边电机进一步减少轴向长度和重量以及成本;无减速箱,结构紧凑,故障率低维护简单;为变频永磁同步电机,永磁结构,内定子为线圈和铁心并采用水冷结构,散热效果好,功率密度高,结构紧凑,效率高;整车重量由套装在电机定子轴上的外转子轮毂及轮胎轴承承担。
Direct-drive outer rotor hub integrated motor of large electric wheel mining dump truck
大型电动轮矿用自卸车直驱外转子轮毂一体式电机
17.02.2023
Patent
Elektronische Ressource
Chinesisch
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