DUMP TRUCK

• Main Authors: HAGIWARA SHINICHIRO, IWABUCHI YUTARO
• Format: Patent
• Language: Chinese; English
• Published: 13.04.2021
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; AXLES FOR WHEELS OR CASTORS; BLASTING; CASTORS; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; INCREASING WHEEL ADHESION; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE WHEELS; VEHICLES IN GENERAL; WEAPONS

A travel device (11) has: a spindle (12) on which a female spline part (12G) is formed; a wheel (15) provided on the outer peripheral side of the spindle (12); wheel bearings (17), (18) that rotatably support the wheel (15) in relation to the spindle (12); an electric motor (21) disposed on one side in the axial direction of the spindle (12); a shaft (22) connected to an output shaft (21B) of the electric motor (21); a planetary gear deceleration device (25) provided between the shaft (22) and the wheel (15); and a shaft bearing (46) that rotatably supports the shaft (22) in relation to the spindle (12). A retainer (42) that retains the shaft bearing (46) is provided on the inner peripheral surface side of the spindle (12), and a male spline part (42E) is provided to the retainer, the male spline part (42E) being spline-connected to the female spline part (12G) of the spindle (12). 行驶装置(11)具有：形成有内花键部(12G)的心轴(12)；设在心轴(12)的外周侧的轮毂(15)；将轮毂(15)相对于心轴(12)能够旋转地支承的轮毂轴承(17)、(18)；配置在心轴(12)的轴向的一侧的电动马达(21)；与电动马达(21)的输出轴(2