| 摘要 |
A conveyor, comprising; two opposite rolls (1, 2), a frame that comprises two opposite beams (3, 4) that carry the rolls (1, 2) and extend in their longitudinal direction between the rolls (1, 2), an endless metal belt (5) extending in a path around and carried by the two rolls (1, 2), and a support element (11) that extends between and is connected to each of the two beams (3, 4), wherein at least one of the rolls (1, 2) is displaceable in the longitudinal direction of the beams (3, 4) in order to enable tightening or loosing of the belt (5), and wherein there is provided a jack (10) that is connected to and acts on said roll (1) for said displacement thereof. The jack (10) is displaceable between at least two operative positions in the longitudinal direction of the beams (3, 4). |
| 主权项 |
1. A conveyor, comprising:
two opposite rolls; a frame that comprises two opposite beams that carry the rolls and extend in their longitudinal direction between the rolls; an endless metal belt extending in a path around and carried by the two rolls; and a support element that extends between and is connected to each of the two beams,wherein at least one of the rolls is displaceable in the longitudinal direction of the beams in order to enable tightening or loosing of the belt,wherein there is provided a jack that is connected to and acts on said roll for said displacement thereof,wherein the jack is displaceable between at least two operative positions in the longitudinal direction of the beams,wherein the jack is connected to and supported by the support element, andwherein said two positions are on opposite sides of the support element. |
