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    • 7. 发明授权
    • Material bed roller mill
    • 材料床辊磨机
    • US4973001A
    • 1990-11-27
    • US337387
    • 1989-04-13
    • Gerhard KastingschaferReinhold GebbeGerhard Arensmeier
    • Gerhard KastingschaferReinhold GebbeGerhard Arensmeier
    • B02C4/32
    • B02C4/32
    • The invention relates to a material bed roller mill with a fixed roller and a floating roller which between them form a grinding gap and a hydraulic-pneumatic spring system which presses the floating roller in the direction of the fixed roller and contains at least one hydraulic working cylinder and a working pneumatic spring which cooperates therewith for each side of the floating roller. The spring container of each working pneumatic spring is divided by two movable pistons into a central gas filling chamber and two opposing hydraulic fluid chambers, and a stroke measuring device is associated with one piston for the preliminary filling pressure of the hydraulic fluid. In this way it is possible to reset the grinding force during operation by means of the hydraulic pressure with the same pneumatic spring characteristic on both sides of the floating roller.
    • 本发明涉及一种具有固定辊和浮动辊的材料床辊磨机,它们之间形成研磨间隙,以及液压气动弹簧系统,其按照固定辊的方向挤压浮动辊,并包含至少一个液压工作 气缸和与浮动辊的每一侧配合的工作气动弹簧。 每个工作气动弹簧的弹簧容器由两个可移动活塞分成中心气体填充室和两个相对的液压流体室,并且冲程测量装置与一个活塞相关联,用于液压流体的初步填充压力。 以这种方式,可以通过在浮动辊的两侧具有相同的气动弹簧特性的液压来重置操作期间的磨削力。