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    • 3. 发明授权
    • Telescopic belt conveyor
    • 伸缩式皮带输送机
    • US4643299A
    • 1987-02-17
    • US618258
    • 1984-06-07
    • Kaj B. Calundan
    • Kaj B. Calundan
    • B65G21/14
    • B65G21/14
    • A Telescopic conveyor comprises a fixed housing which is open at one end through which a number, as for instance two, three or more, lengthy and belt carrying units arranged above each other are extendably and retractably and slidably mounted within the housing to be slit out from the housing, whereby the lower slidable units at the outer end comprise supporting means for carrying the slidable units positioned above and whereby each of the slidable units comprise at least two belt rollers or drums of which one is positioned foremost at each of the units and whereby furthermore a telescopic drive unit is contained within the conveyor comprising one or more drive belts or drive chains with the ends of each drive belt or drive chain being connected in one end to the fixed and in the other end to the uppermost slidable unit so that at least one of the drive belts or the drive chains are driven by a drive roller or drum respectively by a sprocket. The housing may be of the hoistable kind being carried by a hoisting device or may be f.i. of the hinged kind, being hinged unto a supporting stand or unto a rollable cart. Comprising one common conveyor belt, this belt and the telescopic drive may be controlled from a front end control box.
    • 伸缩式输送机包括固定壳体,该固定壳体在一端开口,通过该固定壳体,一个数量,例如两个,三个或更多个长度和彼此布置的带状承载单元可伸缩地并可滑动地安装在壳体内以被切出 由此,外端的下滑动单元包括用于承载位于上方的可滑动单元的支撑装置,并且由此每个可滑动单元包括至少两个带轮或滚筒,其中一个最初位于每个单元处, 此外,伸缩驱动单元容纳在输送机内,包括一个或多个驱动带或驱动链,其中每个驱动带或驱动链的端部在一端连接到固定的另一端连接到最上面的可滑动单元,使得 驱动带或驱动链中的至少一个分别由驱动辊或滚筒由链轮驱动。 壳体可以是由提升装置携带的可升降的类型,也可以是f.i。 铰链式铰链到支撑架或可滚动推车。 包括一个普通的输送带,该带和伸缩驱动器可以由前端控制箱控制。