| 摘要 |
A conveyor drive adapted for positioning between the head and tails ends (12, 13) of an endless belt conveyor (10) to drive an upper run (14) of the conveyor via a lower run (15). The drive comprises, a motor driven roller (30) drivingly engaging the lower run of the belt of the conveyor to drive it in the return direction, with means between said upper and lower runs to transfer a proportion of drive power which means are one or more idler rollers (21) engaging beneath the upper run and pressure rollers (38) are provided beneath said lower run to force said lower run against the idler roller whereby to transfer motion and therefore drive power from the lower run to the upper run. The idler rollers in turn form the, or part of the, roller support arrangements (20) for the upper run of the conveyor belt. |
