自动门
自动门:平滑式庭院自动门的离合器
发布时间:2013/9/7
自动门讯:
平滑式庭院自动门的离合器
    离合器是用于减速电机输出轴与主动齿轮(或链轮)接合或分离的部件,主要用于传
递转矩。
    用于平滑式庭院自动门的离合器有以下两种类型.
    (1)嵌入式离合器。嵌入式离合器最常用的是牙嵌式毫磁离合器,主要用于机械传动
系统中,可在主、从动部分相对转速较低或为零的情况下,实现从动部分与主动部分的结
合,从而起到启停换向、定位等目的。
      离合器对工作环境和工作条件的要求为:
    1)离合器安装地点海拔不超过2000m。
    2)周围环境温度为- 5~+40℃。
    3)周围介质中无爆炸危险,且无足以腐蚀金属和破坏绝缘的气体及导电尘埃。
    4)离合器线圈电压波动不超过+5%和-is%额定电压。
    5)离合器可在有润滑和无润滑情况下工作。
    离合器安装要求为:
    a·离合器可水平安装也可垂直安装,安装在轴上的离合器应保持主动轴与从动轴之
间的同轴度不大于0. 05mm,并保证工作间隙艿值。
    b.离合器安装前两端齿应清洗干净。
    c.离合器主、从动部分轴向需固定,不许有轴向窜动。
    (2)电磁式离合器。电磁式离合器有多种,有湿式多片电磁离合器和干式多片电磁离
合器,干式中又分多片离合器和单片电磁离合器。要根据使用条件选择不同的电磁离合
器。在有油润滑的条件下要选用湿式多片电磁离合器,在没有润滑条件时,要选用于式多
片电磁离合器或单片电磁离合器。干式多片电磁离合器的特点是动作灵敏可靠,摩擦片磨
损后易调整,空载力矩小。单片电磁离合器的特点是只有~对摩擦副,它具有结构简单,
安装方便,工作频率高,动作灵敏,无空载力矩,噪声低等特点。
    电磁离合器的工作环境要求和安装要求除第七条外基本相同。
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