| 摘要 |
<p>There is disclosed a foldable framework for supporting a belt conveyor and which comprises a fixed sloping support frame (1, 2), a movable support frame (4, 5) connected to an upper end of the fixed frame via a first universal type connection (3), a support leg (6) connected at its lower end to the fixed frame (1, 2) via a second universal type connection (9) and connected at its upper end to the movable frame (4, 5), and a power operated device (8) mounted on the fixed frame (1, 2) and connected directly or indirectly to the movable frame (4, 5) e.g. via a connection with the support leg (6), and operative to cause the movable frame (4, 5) to pivot about the first universal type connection (3) between an operative conveyor-support position in co-operation with the fixed support frame (1, 2) and a laterally displaced inoperative position suitable for storage and/or transport of the framework and any conveyor supported thereby.</p> |
