塔吊限位器分類及安全檢查試驗

1.chaoguoxianweiqi。yechengshangshengjixianweizhixianzhiqi，jidangtadiaodiaogoushangshengdaojixianweizhishi
，zidongqieduanqishengjigoudeshangshengdianyuan，jigoukezuoxiajiangyundong
，anquanjianzhashiyingzuo動作試驗驗證。

2.變幅限位器。包括小車變幅和動臂變幅。安全檢查時應做試驗驗證。

(1)xiaochebianfu。tadiaocaiyongshuipingbijia
，diaozhongxuanguazaiqizhongxiaocheshang，kaoxiaochezaibijiashangshuipingyidongshixianbianfu。xiaochebianfuxianweiqishiliyonganzhuangzaiqizhongbitoubuhegenbudelianggexingchengkaiguanjihuanchongzhuangzhi，duixiaocheyunxingweizhijinxingxianding。

(2)動臂變幅。塔吊變換作業半徑(幅度)，shiyikaogaibianqizhongbideyangjiaolaishixiande。tongguozhuangzhichudiandebianhua，jiangdengguangxinhaochuandidaosijishidezhishipanshang。bingzhishiyangjiaodushu
，dangkongzhiqizhongbideyangjiaofenbiedaoleshangxiaxianweishi
，zefenbieyaxiaxianweikaiguanqieduandianyuan，fangzhichaoguoyangjiaozaochengtadiaoshiwen。

現場做動作驗證時，應由有經驗的人員做監護指揮
，防止發生事故。

3.行走限位器。對軌道式塔吊控製運行時不發生出軌事故。安全檢查時，應進行塔吊行走動作試驗
，碰撞限位器驗證可靠性。