自动门
自动门:挡车杆
发布时间:2013/9/27
自动门讯:
挡车杆
    挡车杆是杆形构件,要求其重量轻,但要有足够的强度和刚度。它分为单杆式和折叠
式两种。折叠式挡车杆用于有天棚场所,或要求节省上部空间场所,如图10. 21所示。
    1)挡车杆的附件有:
    a.护栏。
    b.信号指示灯;
    c.反光片。
    d.橡皮套。
    e.可移动底座。
2)挡车杆的尺寸。挡车杆手臂长度为3~6. 5m。
    3)挡车杆的材料。挡车杆使用的材料大部分为高强度铝合金型材,例如:规格为
75mm×30mm×1.5mm,lOOmm×45mm×1.6mm或两根铝管焊接而成。
    塑料PVC管材,规格为+50~+60。喷漆加反光材料。
    不锈钢型材,规格为+51mm或75mm×40mm×1.Smm方管,喷漆加反光材料。
    (3)平衡缓冲机构。
    为保证挡车杆升降的稳定和平衡,一些挡车器上安装有平衡缓冲机构,它连接在转臂
上,多为拉伸式弹簧,可以减小能耗。
    (4)自动锁紧机构。
    自动锁紧机构用于保证自动挡车器的挡车杆在开启和关闭的位置将挡车杆锁紧,不会
在升起的状态或开启状态挡车杆落下。
    (5)控制系统。
    控制系统保证自动挡车器按设定的程序工作,又可保证自动挡车器的安全性,主要包
括控制器、红外感应装量、无线电感应装置、磁环传感器系统、磁卡读数计费系统、对讲
机监控系统、密码开关、钥匙开关、磁性钥匙阅读器和不间断电源。红外感应装置是安全
装置,可防止撞杆。磁环感应装置用于防止车辆通行过程中落杆砸车辆。不间断电源用于
停电时,通过不间断电池,挡杆也能正常工作。
    当全部电源都停电时,挡杆可以通过手动升高或降落,无须打开机箱。
    (6)机箱的制造主要是钣金工的工作,先焊支架再按图加工板料,组装成机箱,根据
功率计算选取电机和减速机构,再将驱动装置用紧固件安装到机箱内。
    (7)停车场智能管理系统
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