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    • 6. 发明公开
    • Pulley device and rotary machine comprising such a device
    • Riemenscheibenvorrichtung und Drehmaschine mit solch einer Vorrichtung
    • EP2781792A1
    • 2014-09-24
    • EP13305342.1
    • 2013-03-21
    • Aktiebolaget SKF
    • Viault, SamuelBerruet, Nicolas
    • F16H55/36
    • F16H55/36F16H35/10F16H2055/366
    • The invention concerns a pulley device (1) for a rotary machine comprising a pulley (6), a rolling bearing (7) a torque transmission plate (8) mounted on a rotary spindle (4) of the rotary machine and having the general shape of a disc. Said pulley is mounted on an outer ring (10) of the rolling bearing (7) and on the torque transmission plate (8). The torque transmission plate (8) is able to transmit a rotational movement from the pulley (6) to the rotary spindle (4). Said torque transmission plate (8) comprises torque limiters consisting in a series of slotted holes (18, 19) made through the plate (8) so that the ends (18a, 18b; 19a, 19b) of two adjacent slotted holes (18, 19) form a bridge (16a) on the plate (8) liable to rupture if the torque transmission plate (8) transmits a torque exceeding a threshold value. The ends (18a, 18b; 19a, 19b) of at least one slotted hole (18, 19) are connected by an inner edge (18d, 19d) and an outer edge (18c, 19c) so that the radial gap between the said edges (18c, 18d; 19c, 19d) is not constant.
    • 本发明涉及一种用于旋转机器的滑轮装置(1),其包括滑轮(6),滚动轴承(7),安装在旋转机械的旋转主轴(4)上的扭矩传递板(8) 的光盘。 所述滑轮安装在滚动轴承(7)的外圈(10)上并且安装在转矩传递板(8)上。 扭矩传递板(8)能够将来自滑轮(6)的旋转运动传递到旋转主轴(4)。 所述转矩传递板(8)包括转矩限制器,该扭矩限制器由一系列通过板(8)制成的开槽孔(18,19)组成,使得两个相邻的开槽孔(18,18)的端部(18a,18b; 19a,19b) 如果转矩传递板(8)传递超过阈值的扭矩,则在板(8)上形成容易破裂的桥(16a)。 至少一个开槽孔(18,19)的端部(18a,18b; 19a,19b)通过内边缘(18d,19d)和外边缘(18c,19c)连接,使得所述 边缘(18c,18d; 19c,19d)不是恒定的。