| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a self-advancing carrier truck which is capable of performing a gear shift without braking a power transmission unit and improving stopping accuracy. SOLUTION: A carrier equipment is provided with a rail, a self-advancing carrier truck 4 and a turntable. The self-advancing carrier truck 4 is provided with a truck main body, cockpit part, a ladle and a driving part 24. The driving part 24 is provided with a power transmission unit 28 and a hydraulic motor 29 which are connected to an axle 25. The hydraulic motor 29 is connected to a hydraulic unit 30 via a duty control valve 32. The power transmission unit 28 is provided with a drive shaft 35 which is parallel to the axle 25 and is connected to a motor 29 and fixing shaft 36 provided between the drive shaft 35 and the axle 25. On the drive shaft 35, a spur gear 38 for shift which is axially and freely slidable is provided. On the fixing shaft 36, a spur gear 44 for first gear shift and a gear part 47 for low speed are provided. On the axle 25, a driven side gear part 51 is provided.</p> |
