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    • 33. 发明申请
    • BEARING SYSTEM IN A REFINER
    • 精炼机轴承系统
    • WO1993014871A1
    • 1993-08-05
    • PCT/SE1992000841
    • 1992-12-07
    • SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAGREINHALL, Rolf, B.KJELLQVIST, Olof
    • SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG
    • B02C07/14
    • D21D1/30B02C7/14
    • A bearing system in a refiner for manufacturing pulp, where the raw material is refined in a refining gap between at least one pair of refining members (22, 24) rotating relative to one another, and where at least one of said refining members (24) is supported by an axially movable and rotary axle (26). The bearing system comprises a combined hydrostatic/hydrodynamic axial bearing arrangement and consists of a housing (32) with at least one rotary piston (30), which is attached on the rotary axle (26) for rotation with the same. A stationary holder (29, 33) is located in the housing (32) on at least one side of the rotary piston (30). An outer and an inner ring cylinder (200, 210 and, respectively, 202, 212) are arranged axially movable in an outer and an inner chamber, respectively (40, 41 and, respectively, 42, 43) in the holder (29, 33). The ring cylinders thereby are arranged to be pressed against one end surface of the piston (30) so that sealing gaps (211) are formed therebetween. Between the ring cylinders (200, 210, and, respectively, 202, 212), the piston (30) and the holder (29, 33) a cavity (213, 214) is defined, and a channel (246, 248) is provided for the supply of a hydraulic pressure medium to said cavity (213, 214) for determining the axial position of the piston.
    • 一种用于制造纸浆的精磨机中的轴承系统,其中所述原料在至少一对相对于彼此旋转的一对精炼部件(22,24)之间的精炼间隙中精炼,并且其中至少一个所述精炼部件(24 )由轴向移动和旋转轴(26)支撑。 轴承系统包括组合的静液压/流体动力学轴向轴承装置,并且由具有至少一个旋转活塞(30)的壳体(32)组成,该壳体连接在旋转轴(26)上以与其旋转。 在旋转活塞(30)的至少一侧的壳体(32)内设有固定保持器(29,33)。 外环和内环筒(200,210以及分别为202,212)分别在保持器(29,21)中的外室和内室中分别轴向移动(40,41和42,33) 33)。 因此,环形滚筒被布置成被压靠在活塞(30)的一个端面上,从而在它们之间形成密封间隙(211)。 在环形滚筒(200,210和202,212)之间,限定了活塞(30)和保持器(29,33),空腔(213,214),并且通道(246,248)是 用于向所述空腔(213,214)供应液压介质,用于确定活塞的轴向位置。
    • 38. 发明申请
    • STRESS REGULATOR FOR PULP GRINDING APPARATUS AND METHOD
    • 压力调节器用于研磨装置和方法
    • WO1990001371A1
    • 1990-02-22
    • PCT/SE1989000396
    • 1989-07-07
    • SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG
    • SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAGREINHALL, Rolf, B.
    • B02C07/14
    • B02C7/14D21D1/30
    • The present invention provides a regulator (110) for a refiner or grinding apparatus having opposed relatively rotatable grinding discs (28, 30). Each grinding disc (28, 30) carries a grinding segment, and a predetermined gap or grinding space is defined between the grinding segments. The regulator (110), which is provided to compensate for axial variations in the predetermined grinding space due to variations of the load, includes a piston (100) axially movable in a cylinder (102) and a calibrated resilient element (108) acting on the piston (100). The regulator (110) is coupled to a hydraulic servo motor (38) for the grinding discs (28, 30), and the dimensions of the piston (100) and cylinder (102) of the regulator (110) are selected to correspond to that of the servo motor (38), but in reduced scale. By calibrating the resilient element (108) of the regulator to correspond to the axial load applied to the grinding discs (28, 30), the displacement of the regulator piston (100) corresponds to the relative displacement of the grinding disc and thus to a variation in the grinding space between the grinding discs (28, 30). Variations in the grinding space are instantaneously and continuously counteracted by the regulator (110) to maintain the grinding space at its predetermined value.
    • 本发明提供了一种用于具有相对的相对可旋转研磨盘(28,30)的精磨机或研磨装置的调节器(110)。 每个研磨盘(28,30)承载研磨段,并且在磨削段之间限定预定的间隙或研磨空间。 提供用于补偿由于负载变化引起的预定研磨空间中的轴向变化的调节器(110)包括可在气缸(102)中轴向移动的活塞(100)和作用在其上的校准弹性元件(108) 活塞(100)。 调节器(110)联接到用于研磨盘(28,30)的液压伺服电动机(38),并且调节器(110)的活塞(100)和气缸(102)的尺寸被选择为对应于 伺服电机(38),但缩小规模。 通过校准调节器的弹性元件(108)以对应于施加到研磨盘(28,30)的轴向载荷,调节器活塞(100)的位移对应于研磨盘的相对位移,因此对应于 研磨盘(28,30)之间的研磨空间的变化。 研磨空间的变化由调节器(110)瞬时和连续地抵消,以将研磨空间保持在其预定值。