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    • 3. 发明申请
    • MULTI-STAND ROLLING MILL FOR ROD-SHAPED BODIES COMPRISING THREE MOTORIZED-ROLLERS STANDS
    • 用于包括三个电动滚筒支架的杆形车身的多座轧机
    • WO2017068533A1
    • 2017-04-27
    • PCT/IB2016/056328
    • 2016-10-21
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.
    • CERNUSCHI, EttoreBERTELLI, Aristide GiacomoSANDRINI, Veronica
    • B21B17/04B21B17/14
    • B21B17/14B21B17/04B21B35/025
    • The present invention relates to a multi-stand rolling mill (1 ) for tubular bodies. The rolling mill comprises a first section (10) for rolling on mandrel defined by a first plurality of rolling stands (15', 15, 15") arranged in sequence along a rolling axis (100). According to the invention, the rolling mill also comprises a second rolling section without mandrel, arranged downstream of said first section, which comprises a second plurality of stands (25', 25, 26, 27, 26', 27') arranged in sequence along said rolling axis (100). Each stand (25', 25, 26, 27, 26', 27') of said second section (20) comprises three rollers having rotation axes which are arranged at 120 ° from one another. The rotation axes for each stand (25', 25, 26, 27, 26', 27') are rotated by 180 ° with respect to corresponding rotation axes of an adjacent stand. According to the invention, at least one stand of said second section (20) comprises a motorized roller having a vertical rotation axis.
    • 本发明涉及一种用于管状体的多机架轧机(1)。 该轧机包括用于在由沿轧制轴线(100)依次布置的第一多个轧机机架(15',15,15“)限定的心轴上轧制的第一部分(10)。 根据本发明,轧机还包括设置在所述第一部分下游的无心轴的第二轧制部分,所述第二轧制部分包括依次布置的第二多个支架(25',25,26,27,26',27') 沿着所述滚动轴线(100)。 所述第二部分(20)的每个支架(25',25,26,27,26',27')包括三个具有旋转轴线的辊子,所述旋转轴线布置成120°; 从另一个。 每个支架(25',25,26,27,26',27')的旋转轴旋转180°; 相对于相邻支架的相应旋转轴线。 根据本发明,所述第二部分(20)的至少一个支架包括具有垂直旋转轴的机动辊。
    • 5. 发明申请
    • ROLLING STAND WITH THREE WORKING ROLLS
    • 滚动站与三个工作的滚动
    • WO2014056969A1
    • 2014-04-17
    • PCT/EP2013/071021
    • 2013-10-09
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.
    • CERNUSCHI, EttoreBERTELLI, Aristide GiacomoGALLETTI, Danilo
    • B21B31/08
    • B21B17/02B21B31/08
    • A rolling stand (1) with three working rolls (5, 6, 7) for rolling seamless tubes with mandrel, the rolling stand defining a rolling axis (X) and comprising a bearing structure (3), three working rolls (5, 6, 7) each having a respective median plane lying on the rolling axis (X), wherein the median planes form an angle of 120° with each other, each of said three working rolls having a respective chock (11, 12, 13), a roll-holding cartridge (2) wherein said three working rolls (5, 6, 7) and said chocks (11, 12, 13) are accommodated, a locking device (20) for locking the position of said chocks (11, 12, 13) within the roll-holding cartridge (2), in order to lock the chocks (11, 12, 13) in a respective first radial position which allows an extraction of the roll- holding cartridge (2) from the bearing structure (3) and an insertion of the roll-holding cartridge (2) in the bearing structure (3) in a direction transversal to the rolling axis (X), wherein said locking device (20) comprises three stopping pins (15, 16, 17), fastened to the roll- holding cartridge (2), and control means (14) connected to the three stopping pins (15, 16, 17) by means of a kinematic mechanism which allows a combined actuation of the three stopping pins (15, 16, 17) so that each of the three stopping pins (15, 16, 17) locks a respective chock (11, 12, 13) in said respective first position.
    • 一种用于轧制具有心轴的无缝管的三个工作辊(5,6,7)的滚动架(1),所述滚动台限定了一个滚动轴线(X),并包括一个轴承结构(3),三个工作辊 ,7)各自具有位于所述滚动轴线(X)上的各自的中间平面,其中所述中间平面彼此形成120°的角度,所述三个工作辊中的每一个具有相应的轴承座(11,12,13), 一个容纳有所述三个工作辊(5,6,7)和所述轴承座(11,12,13)的卷筒保持盒(2),用于锁定所述轴承座(11,12)的位置的锁定装置 ,13),以便将所述轴承座(11,12,13)锁定在相应的第一径向位置,所述第一径向位置允许所述卷轴保持筒(2)从所述轴承结构(2) 3),并且沿着与滚动轴线(X)横切的方向将卷筒保持筒(2)插入轴承结构(3)中,其中所述锁定装置(20)包括 三个止动销(15,16,17),紧固到卷筒保持盒(2)上,以及通过运动机构连接到三个止动销(15,16,17)的控制装置(14),该运动机构允许 三个止动销(15,16,17)的组合致动使得三个止动销(15,16,17)中的每一个在相应的第一位置锁定相应的轴承座(11,12,13)。
    • 7. 发明申请
    • DRIVE SHAFT FOR TRANSMITTING MOTION TO A ROLL
    • 用于将动作发送给滚筒的驱动轴
    • WO2013149969A1
    • 2013-10-10
    • PCT/EP2013/056822
    • 2013-03-29
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.
    • CERNUSCHI, EttoreBERTELLI, Aristide Giacomo
    • B21B35/14F16C3/03
    • B21B35/00B21B17/00B21B35/14Y10T29/49544
    • A drive shaft (5) for transmitting motion to a roll (1) of a tube rolling stand comprising a telescopic body (51), a slide (50) and a support base (53). The telescopic body (51) is fixed by one end with a cardan joint (56) to the drive shaft of the gearbox, and on the other end has a fitting (12) for attaching the roll (1). The slide (50) is hinged to the support base (53) and may rotate under the bias of a jack (57) to either engage or release the telescopic body (51). A snap-action locking device (61), contained within the telescopic body (51), comprises a cylinder (64), on which two rocker arms (62', 62") are hinged, and a spring (63) which spreads the rocker arms (62', 62") making the two teeth fit into two holes in the wall of the cylinder (54), when the drive shaft (5) is at its maximum working length. The carriage has two pistons (66', 66") to work on the two rocker arms (62', 62") thus freeing the locking device (61) and allowing the telescopic sliding of the cylinder (55) in the cylinder (54) and the downward rotation of the drive shaft (5).
    • 一种驱动轴(5),用于将运动传递到包括伸缩体(51),滑动件(50)和支撑基座(53)的管轧机的辊(1)。 伸缩体(51)的一端与万向节(56)固定在齿轮箱的驱动轴上,另一端具有用于安装滚筒(1)的接头(12)。 滑动件(50)铰接到支撑基座(53)上并且可以在千斤顶(57)的偏压下旋转以接合或释放伸缩体(51)。 容纳在伸缩主体(51)内的快动锁定装置(61)包括一个气缸(64),两个摇臂(62',62“)铰接在其上,弹簧(63) 当驱动轴(5)处于其最大工作长度时,使两个齿配合到气缸(54)的壁中的两个孔中的摇臂(62',62“)。 滑架具有两个活塞(66',66“),以在两个摇臂(62',62”)上作用,从而释放锁定装置(61)并允许气缸(55)在气缸(54)中的伸缩滑动 )和驱动轴(5)的向下旋转。
    • 8. 发明公开
    • DRIVE SHAFT FOR TRANSMITTING MOTION TO A ROLL
    • ANTRIEBSVORRICHTUNG ZURÜBERTRAGUNGVON BEWEGUNG EINE ROLLE
    • EP2834021A1
    • 2015-02-11
    • EP13718804.1
    • 2013-03-29
    • Danieli & C. Officine Meccaniche, S.p.A.
    • CERNUSCHI, EttoreBERTELLI, Aristide Giacomo
    • B21B35/14F16C3/03
    • B21B35/00B21B17/00B21B35/14Y10T29/49544
    • A drive shaft (5) for transmitting motion to a roll (1) of a tube rolling stand comprising a telescopic body (51), a slide (50) and a support base (53). The telescopic body (51) is fixed by one end with a cardan joint (56) to the drive shaft of the gearbox, and on the other end has a fitting (12) for attaching the roll (1). The slide (50) is hinged to the support base (53) and may rotate under the bias of a jack (57) to either engage or release the telescopic body (51). A snap-action locking device (61), contained within the telescopic body (51), comprises a cylinder (64), on which two rocker arms (62', 62") are hinged, and a spring (63) which spreads the rocker arms (62', 62") making the two teeth fit into two holes in the wall of the cylinder (54), when the drive shaft (5) is at its maximum working length. The carriage has two pistons (66', 66") to work on the two rocker arms (62', 62") thus freeing the locking device (61) and allowing the telescopic sliding of the cylinder (55) in the cylinder (54) and the downward rotation of the drive shaft (5).
    • 一种驱动轴,用于将运动传递到包括伸缩体,滑动件和支撑基座的管轧机架的辊。 伸缩体通过万向接头的一端固定在变速箱的驱动轴上,另一端具有用于安装辊的配件。 滑动件铰接到支撑基座上并且可以在千斤顶的偏压下旋转以接合或释放伸缩体。 容纳在伸缩体内的快动锁定装置包括一个气缸,两个摇臂铰接在该气缸上,弹簧使摇臂摇动,使两个齿配合到气缸壁上的两个孔中, 驱动轴处于其最大工作长度。 滑架具有两个活塞,用于在两个摇臂上工作,从而释放锁定装置并允许气缸在气缸中的伸缩滑动以及驱动轴的向下旋转。