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軌器分手動式和電動式兩種（見圖）。手動夾軌器一般為螺杆式，結構簡單，但夾緊力小、動作慢，主要用於在擋風麵積不大的中小型或臨時性用途的起重機shang。daxingqizhongjihuogangkouyongqizhongjizhuyaocaiyongdiandongjiaguiqi。tashiyouzhongchuitongguogangganhuoyoudanhuanglishijiaqianjiajinguidao，kaoyeyaxitongzhongyouganglisongkaijiaqian。zhongchuishijiaobenzhong，waixingchicunda，jiajinlibidanhuangshidexiao，gongzuopingwenxingyeburudanhuangshide。diandongdanhuangshijiaguiqitongguofengsuyiyuqizhongjishixiandianqiliansuo，dangfengsuyijiancedefenglidadaobunengbaozhengqizhongjizhengchangzuoyedefengji（通常相應於6～7級）時，起重機斷電，夾鉗夾住軌道。這種夾軌器的工作可靠性較高。河南手動夾軌器生產批發宏昌起重優質產品