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    • 1. 发明授权
    • Roll in a paper or board machine
    • 卷入纸或纸板机
    • US07022056B2
    • 2006-04-04
    • US09871535
    • 2001-05-31
    • Kari HolopainenJori OnnelaJuha LahtinenAri Lehto
    • Kari HolopainenJori OnnelaJuha LahtinenAri Lehto
    • B29C43/46
    • F16C13/028D21G1/022D21G1/0226Y10T29/49549Y10T29/49826
    • A method for fitting a tubular roll shell (2) of a roll (1) in a paper or board machine. In the method, the roll shell (2) is supported on a stationary roll shaft (3) by means of hydrostatic slide bearing elements (4a, 4b; 4a′, 4b′; 5a, 5b; 5a′, 5b′), acting on the roll shell (2) in radially opposite directions, at least in the direction of a plane co-directional with a first plane or a plane parallel to a primary loading (F) and in a plane substantially lateral to a plane co-directional with the primary loading (F). The slide bearing elements (4a, 4b, 4a′, 4b′, 5a, 5b, 5a′, 5b′) are loaded hydraulically by means of a pressure fluid. The lateral bearing elements (4a, 4b; 4a′, 4b′) acting in radially opposite directions have a hydrostatic pressure thereof adjusted by means of a regulator (20) having feedback connection with the main bearing elements (5a, 5b, 5a′, 5b′) acting in the direction of a plane co-directional with the primary loading (F) to comply at a predetermined ratio with the maximum hydrostatic pressure of the main bearing elements (5a, 5b, 5a′, 5b′) acting on the roll shell (2). The invention relates further to an apparatus for applying the method.
    • 一种用于在纸或纸板机中装配卷(1)的管状辊壳(2)的方法。 在该方法中,辊壳(2)通过静压滑动轴承元件(4a,4b; 4aa,4ba; 5a,5b; 5a)支撑在固定辊轴(3)上 至少在与第一平面或平行于主负载(F)的平面相同的平面的平面方向上,并且在平面上沿着径向相反的方向在辊壳(2)上作用在辊壳 基本上横向于与主负载(F)同向的平面。 通过压力流体液压地承载滑动轴承元件(4a,4b,4a',4b',5a,5b,5a,5b')。 作用在径向相反方向上的横向轴承元件(4a,4b; 4a',4b')具有通过调节器(20)调节的静水压力,调节器(20)具有与主轴承元件(5a, 5 b,5 a',5 b')沿与主负载(F)同向的平面方向作用,以与主轴承元件(5a,5b)的最大流体静力压力 ,5a,5b)作用在辊壳(2)上。 本发明还涉及一种应用该方法的装置。
    • 2. 发明授权
    • End packing for a deflection compensated roll
    • 用于偏转补偿辊的端部填料
    • US06692421B2
    • 2004-02-17
    • US10055078
    • 2002-01-23
    • Antti TaviAri LehtoKari HolopainenMarkku ArvonenMika LämsäJuhani NiskanenJorma SnellmanJouni PakkanenJori Onnela
    • Antti TaviAri LehtoKari HolopainenMarkku ArvonenMika LämsäJuhani NiskanenJorma SnellmanJouni PakkanenJori Onnela
    • B23P1500
    • F16C13/028D21G1/022F16C13/02
    • The present invention relates to an end packing (20, 40, 60, 70, 80) for a deflection compensated roll. The roll including a stationary shaft (1) and a roll shell (2), bearing-mounted rotatably therearound and having each end thereof provided with a shaft-enclosing annular end cap (3). The end cap (3) has its surface internal in the axial direction of the roll or its surface external in the axial direction formed with a sealing surface (10, 50, 61, 71, 81). The end packing elements (20, 40, 60, 70, 80) are provided with an annular packing member (12; 42; 62; 72; 82) extending around the shaft (2) and including a front face, which is directed towards said sealing surface (10, 50, 61, 71, 81) and which is in contact with the sealing surface (10, 50) or separated from the sealing surface (61, 71, 81) by a gap constituting an axially directed narrow slot. The packing member (12; 42; 62; 72; 82) is provided with elements connected to a supply of compressed air for delivering compressed air into a cavity (14, 44, 69, 92, 105) between the packing member and the sealing surface, whereby the compressed air striving to flow between the packing member's front face and the sealing surface into and out of the roll functions as a seal.
    • 本发明涉及用于偏转补偿辊的端部密封件(20,40,60,70,80)。 所述辊包括固定轴(1)和辊壳(2),其轴承可旋转地安装在其周围,并且每个端部设置有轴封环形端盖(3)。 端盖(3)的表面在辊的轴向内部的内部,或者其表面在轴向方向外侧形成有密封面(10,50,61,71,81)。 端部衬垫元件(20,40,60,70,80)设置有围绕轴(2)延伸的环形填料构件(12; 42; 62; 72; 82),并包括前表面, 所述密封表面(10,50,61,71,81)并且与所述密封表面(10,50)接触或与所述密封表面(61,71,81)分离,所述间隙构成轴向指向的窄槽 。 包装件(12; 42; 62; 72; 82)设置有连接到供应压缩空气的元件,用于将压缩空气输送到包装件和密封件之间的空腔(14,44,92,95)中 从而使压缩空气在填料构件的前表面和密封表面之间流动和流出的压缩空气用作密封件。
    • 3. 发明授权
    • Arrangement for rapid movement of a roll with hydrostatic bearings
    • 用静液压轴承快速移动辊子的布置
    • US06595691B1
    • 2003-07-22
    • US09719943
    • 2001-03-26
    • Kari HolopainenJuha LahtinenPekka KiviojaJuha Ehrola
    • Kari HolopainenJuha LahtinenPekka KiviojaJuha Ehrola
    • F16C3206
    • F16C13/028D21G1/002D21G1/0226F16C13/04
    • The invention relates to an arrangement for displacing a roll, which is hydrostatically journalled by its axle (1) on support structures and positionable in its working position by means of a bearing, through a rapid movement of the bearing out of its said working position. The journalling comprises at each end of the roll at least one loading element (2-4) pressurizable with a hydraulic medium and at least one support element (5). The arrangement of the invention comprises a valve control piston (9), delivering a hydraulic medium required for the pressurization of said at least one loading element (2) and positioned in a valve cylinder (8), said control piston (9) being provided with a positioning valve (10) on the face of the control piston (9) pointing towards the loading element (2), the face of the control piston (9) opposite relative to the positioning valve (10) being coupled with a pressure line (LP) of the hydraulic system for focusing a holding pressure on the control piston (9).
    • 本发明涉及一种用于移动辊的装置,其通过其轴(1)在支撑结构上被水力轴承安装,并且可通过轴承通过轴承快速移动而脱离其工作位置而通过轴承定位在其工作位置。 支架包括在辊的两端处的至少一个加载元件(2-4),其可加压液压介质和至少一个支撑元件(5)。 本发明的装置包括阀控制活塞(9),输送所述至少一个装载元件(2)的加压所需的液压介质并且定位在阀缸(8)中,所述控制活塞(9)被设置 在所述控制活塞(9)的面向所述加载元件(2)的表面上具有定位阀(10),所述控制活塞(9)相对于所述定位阀(10)相对的面与压力线 (LP),用于将保持压力聚焦在控制活塞(9)上。