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    • 7. 发明公开
    • Spindle unit for rolling mill
    • SpindeleinheitfürWalzwerk
    • EP2781274A1
    • 2014-09-24
    • EP14160631.9
    • 2014-03-19
    • JTEKT CORPORATION
    • Komeyama, Nobuo
    • B21B35/14
    • B21B35/145
    • Outer faces of fitting portions of bearing holders are recessed from outer faces of bottom portions of bearing cups 24 toward the central axis C of a cross joint 11, 12 to define recessed portions 30 between the adjacent bearing cups of the cross joint. The paired cross joints are arranged with a prescribed phase difference in rotational directions about the central axes C. The paired cross joints are arranged in such a manner that the outer face 24b2 of one of the bottom portions of the bearing cups 24 of one of the paired cross joints is inserted in one of the recessed portions 30 of the other one of the paired cross joints.
    • 轴承座的嵌合部的外表面从轴承座24的底面的外表面向交叉接头11,12的中心轴线C凹入,以在交叉接头的相邻轴承杯之间形成凹部30。 成对的十字接头以围绕中心轴线C的旋转方向以规定的相位差布置。成对的十字接头被布置成使得轴承杯24的一个底部的一个底部的外表面24b2 成对的交叉接头被插入到另一个交叉接头的一个凹部30中。
    • 10. 发明公开
    • WALZENANTRIEB UND WALZGERÜST MIT EINEM SOLCHEN
    • 回旋驱动AND ROLL STAND这样的
    • EP2385882A1
    • 2011-11-16
    • EP09774636.6
    • 2009-12-10
    • Voith Patent GmbH
    • BUCHEGGER, Rudolf
    • B21B35/14
    • B21B35/141B21B35/142B21B35/148
    • The invention relates to a roll drive comprising a first drive train for transmitting driving power from a first drive motor to a first roll; a second drive train for transmitting driving power from the same drive motor or a second drive motor to a second roll; - both drive trains have an articulated shaft, comprising a first joint permitting a large angular deviation and a second joint permitting a large angular deviation; an end part of each articulated shaft remote from the rolls is associated with one of the drive motors or the common drive motor and is drive by said drive motor; an end part of each articulated shaft near the roll is associated with one of the rolls in order to drive said roll; the two end parts of each articulated shaft are connected by means of the two joints and a center part connected to both joints. The roll drive according to the invention is characterized by the following features: each of the two end parts near the rolls is connected to a toothed coupling having length compensation, said toothed coupling being intended for the coaxial or substantially coaxial connection to a drive pin of one of the rolls; the toothed coupling has two coupling halves that can be moved in the longitudinal direction and that are in a driving connection with each other by means of a toothed engagement; each articulated shaft and each toothed coupling is supported by means of a common radial bearing, which is positioned directly on or next to the joint between the center part and the end part of the articulated shaft near the rolls.