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    • 2. 发明申请
    • IMPROVEMENTS RELATING TO BELT CONVEYORS
    • 相关皮带输送机的改进
    • WO2012000021A1
    • 2012-01-05
    • PCT/AU2011/000787
    • 2011-06-27
    • BREMHORST, John
    • BREMHORST, John
    • B65G15/26B65G41/00E21F13/08B65G21/14E21F13/06
    • B65G21/14B65G39/10E21F13/02
    • The invention relates to an extendable support apparatus for supporting an endless conveyor belt wherein the belt has an upper carry-side and a lower return- side. The apparatus has an extendable frame which includes a first side and a second side. Each side of the frame has a plurality of segments at least one of which can extend relative to the adjacent segment(s). The extendable frame also has a plurality of idlers wherein each idler extends between a segment on the first side of the frame and a corresponding segment on the second side of the frame. At least one of the idlers is able to slide, relative to the segments between which it extends, in a direction parallel to said segments. Each idler is also movable between a closed position in which the idler is supported by both of the segments between which it extends, and an open position in which the idler is separated relative to at least one of the segments.
    • 本发明涉及一种用于支撑环形输送带的可延伸的支撑装置,其中,该带具有上输送侧和下返回侧。 该装置具有包括第一侧和第二侧的可延伸框架。 框架的每一侧具有多个段,其中至少一个可相对于相邻的段延伸。 可延伸框架还具有多个惰轮,其中每个惰轮在框架的第一侧上的区段和框架的第二侧上的对应段之间延伸。 所述惰轮中的至少一个能够相对于其延伸的所述段在平行于所述段的方向上滑动。 每个惰轮还可以在关闭位置之间移动,在该关闭位置中,惰轮由它延伸的两个段之间被支撑,并且惰轮相对于至少一个段被分离的打开位置。