论文部分内容阅读
美国凯特皮勒公司769型自卸车是一种载重35吨的露天矿用自卸车。该车外廓尺寸(长×宽×高)为7.65米×3.85米×4.06米。自重25.4吨。其行驶速度最大可达66.75公里/时(图1)。该车装用一台D343型涡输增压式4气门6缸顶置凸输柴油机,排量为14.63升,制动功率为400马力(1900转/分)。传动系分两部分,一是装在发动机上的“分扭器”(torque divider),另一是装在车架大梁间的有级式传动系。这个复合式传动系通过三种型式传动,自动换入高挡和低挡。在每个(共三个)手选择速比范围内有9个前进挡,1个倒挡。
US Kate Piller Company Model 769 dump truck is a 35 tons of opencast mining dump truck. The car dimensions (length × width × height) of 7.65 m × 3.85 m × 4.06 m. Weigh 25.4 tons. Its maximum speed of up to 66.75 km / h (Figure 1). The car is equipped with a D343-type turbocharged four-valve six-cylinder overhead LPG diesel engine with a displacement of 14.63 liters and a braking power of 400 horsepower (1900 rpm). The drive train is divided into two parts, one is the “torque divider” mounted on the engine and the other is the stepped drive train mounted between the frame girders. The compound transmission through the three types of transmission, automatically into the high and low gear. There are 9 forward gears and 1 reverse gear in each (total of 3) hand speed ratios.