自动门
成都自动门:门扇与连接轴
发布时间:2013/2/4

自动门讯:

门扇与连接轴用螺钉连接在一起,连接轴装在轴承(9)的内孔,共两个轴承(9),

轴承(9)外径装在离合器磁轭内,连接轴上部装在凸轮盘(15)的内孔中,连接轴(10)
与凸轮盘(15)用键连接,凸轮盘(15)与离合器的连接件相连,这样连接轴(10)就和
离合器的衔铁相连,因此门扇与衔铁就连接到一起。离合器(25)的磁轭固定在底板
(17)上,底板(17)固定在展箱的十字框架(对于四翼旋转门)或Y字框架(对于三
翼旋转门)和连接柱上。凸轮盘(15)由4片夹板(19)夹持,凸轮盘(15)有两个
半圆弧的槽,凸轮盘每个半圆弧处有两片夹板,两夹板中间位置装有轴(5)和轴承
(2).两夹板一端卡在固定销(16)上,固定销(16)固定在底板的凸台上,两夹板的
另一端固定在圆柱(23)上,而圆柱中点又垂直于圆柱中心线的孔,螺杆(24)穿过
孔,靠弹簧和螺母将凸轮盘两边的两对夹板压紧凸轮盘。靠这种弹簧压力可保证在离
合嚣脱开时门扇仍能与展箱同步旋转。当正常运行时离合器闭合,门扇靠离合器与展
箱一同旋转。
    当断电时离合磁轭与衔铁靠压簧分离,门扇和凸轮盘相对于展箱旋转需要的角度。此
时凸轮盘与轴承(2)接触面从凸轮盘半圆弧面转到最大的凸轮盘外缘面,两边穿在螺杆
上的弹簧被压缩,这可使门扇停在需要的角度上。
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