| 摘要 |
<p>The bulldozer and levelling vehicle has a scraper blade (5) whose position can be fully adjusted to the required position from the driver's cabin. The blade can be lowered and raised by a hydraulic cylinder (25). Its inclination relative to the vehicle central axis can be controlled by further hydraulic cylinders (32, 33) while another pair of cylinders (38, 39) control inclination relative to the direction of vehicle travel. The scraper blade is connected to the central pole (24) mounting by a universal linkage (27) and by two linkages (28, 29) to the square shaft pipes (30, 31) serving as guides for the associated hydraulic cylinders (32, 33). The hydraulic cylinders (38, 39) for controlling inclination relative to travel direction are attached to the scraper by similar linkages (36, 37).</p> |
