| 摘要 |
PURPOSE:To make a truck movable so accurately in the desired direction without turning a sense of truck body, by installing a control device which controls each speed of driving wheels by means of a signal out of a detecting device. CONSTITUTION:A turning member 8 synchronously makes each of driving wheels 12 and 13 rotate in the reverse direction each at the same speed whereby it is rotatable inside a bearing 10 without adding any external force to a conveyance truck body 1. With this rotation, also a sense of each of driving wheels 14 and 15 can be changed to the truck body 1. At this time, since the amount of rotation in the turning member 8 is always detected by a rotary encoder 16 via measuring gears 18 and 19, each of motors 41 and 42 is controlled by a control device on the basis of the signal outputted from the rotary encoder 16 so that the amount of rotation in the turning member 8 is accurately controllable. |
