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发明公开
EP1146239A3 Torque limiting mechanism 审中-公开
扭矩限制机制

Torque limiting mechanism
摘要：
A torque limiting mechanism includes a pulley (33) and a hub (38). The pulley (33) has a transmission spring (44). The hub (38) has a groove (41). A transmission ring (59) is engaged with the transmission spring (44) such that power can be transmitted between the pulley (33) and the hub (38). The transmission ring (59) includes a coupler block (51) and a coupler (58). The coupler block (51) is engaged with the transmission spring (44) and the groove (41). The coupler (58) is connected to the coupler block (51). The coupler (58) urges the coupler block (51) in a direction disengaging the coupler block (51) from one of the transmission spring (44) and the groove (41). When the load between the pulley (33) and the hub (38) exceeds a predetermined level, the coupler block (51) is disengaged from the pulley (33) and the hub (38). Thereafter the coupler (58) keeps the coupler block (51) disengaged from the pulley (33) and the hub (38). This positively discontinues power transmission according to an applied load and maintains the discontinuation.
摘要（中）：

扭矩限制机构包括滑轮（33）和轮毂（38）。 滑轮（33）具有传动弹簧（44）。 轮毂（38）具有凹槽（41）。 传动环（59）与传动弹簧（44）啮合，使得动力可以在皮带轮（33）和轮毂（38）之间传递。 传动环（59）包括一个联接器块（51）和一个联接器（58）。 联接器块（51）与传动弹簧（44）和槽（41）接合。 联接器（58）连接到联接器块（51）。 联接器（58）在使联接器块（51）与变速器弹簧（44）和槽（41）中的一个脱离的方向上推动联接器块（51）。 当滑轮（33）和轮毂（38）之间的载荷超过预定水平时，联接器块（51）与皮带轮（33）和轮毂（38）脱离。 此后，联接器（58）保持联接器块（51）与皮带轮（33）和轮毂（38）脱离接合。 这根据施加的负载而正向中断电力传输并保持中断。

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