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    LOAD SENSITIVE MAGNETIC CLUTCH DEVICE
    2.
    发明公开
    LOAD SENSITIVE MAGNETIC CLUTCH DEVICE 有权
    LASTABHÄNGIGEMAGNETKUPPLUNGSVORRICHTUNG

    公开(公告)号：EP2613068A1

    公开(公告)日：2013-07-10

    申请号：EP11821770.2

    申请日：2011-08-30

    申请人： Kito Corporation

    发明人： KASAI Takayuki ,  ISHIKAWA Kazumitsu

    IPC分类号： F16H3/44

    CPC分类号： F16D27/14 ,  B66D3/16 ,  F16D11/14 ,  F16D27/01 ,  F16D43/2024 ,  F16D2023/123 ,  F16H3/54 ,  H02K49/106

    摘要： There is provided a load sensitive magnetic clutch device including: a magnetic pole rotating body 14 having magnetic poles 14a arranged on the circumference thereof and provided with a clutch projection 16 of a claw clutch at an end thereof; a yoke rotating body 12 configured to rotate about an axial center of rotation 18b identical to that of the magnetic pole rotating body 14, including a tooth-shaped portion arranged so that tooth tips face the magnetic poles 14a and provided with the magnetic pole rotating body 14 and a tooth-shaped magnetic body 12a configured to transmit a torque caused by a magnetic attracting force; and high-torque input means 2 configured to rotate about the identical axial center of rotation 18b and having a clutch engaging portion 3 engaging the clutch projection 16, wherein the clutch projection 16 is formed of a magnetic body, the clutch engaging portion 3 includes a clutch retaining magnetic body 4 configured to attract the clutch projection 16 by a magnetic force, and the clutch projection 16 is attracted by the clutch retaining magnetic body 4 by an application of a load torque exceeding a torque which is transferrable between the magnetic pole rotating body 14 and the yoke rotating body 12. Therefore, a function to prevent an occurrence of a clutch return in which the load torque applied to a clutch portion during a winching operation of a load in a load sensitive magnetic clutch in the related art is reduced by an action of a mechanical brake and a torque transmitting route is switched to a low-load transmitting route is achieved.

    摘要翻译： 提供了一种负载敏感的电磁离合器装置，包括：磁极转动体14，其磁极14a设置在其周围，并在其一端设置有爪式离合器的离合器突起16; 磁轭旋转体12构造成围绕与磁极旋转体14相同的旋转轴线18b旋转，包括齿形部分，齿形部分布置成使得齿尖面对磁极14a并设置有磁极旋转体 14和被配置为传递由磁吸引力引起的转矩的齿形磁体12a; 和大扭矩输入装置2，其构造成围绕相同的轴心旋转18b旋转，并且具有与离合器突起16接合的离合器接合部分3，其中离合器突起16由磁体形成，离合器接合部分3包括 离合器保持用磁体4，其被构造成通过磁力吸引离合器突起16，并且离合器突起16被离合器保持用磁体4吸引，通过施加超过可转换到磁极旋转体 因此，在相关技术中的负载敏感电磁离合器中的负载的绞车操作期间，防止发生在离合器返回中施加于离合器部分的负载转矩的功能减少了 实现机械制动和转矩传递路径的动作切换到低负载传输路径。