電動葫蘆導繩器本身不能轉動,當卷筒轉動時,隨鋼絲繩卷繞,由螺紋槽帶動沿軸向移動,隨時將所纏繞的鋼絲繩準確地引入、引yin出chu卷juan筒tong的de螺luo旋xuan槽cao,鋼gang絲si繩sheng由you導dao繩sheng器qi的de缺que口kou排pai出chu。導dao繩sheng螺luo母mu與yu卷juan筒tong繩sheng槽cao齧nie合he,卷juan筒tong轉zhuan動dong驅qu動dong導dao繩sheng螺luo母mu橫heng向xiang移yi動dong,以yi保bao證zheng鋼gang絲si繩sheng在zai卷juan筒tong繩sheng槽cao中zhong不bu致zhi亂luan套tao。導dao繩sheng板ban向xiang卷juan筒tong兩liang端duan橫heng向xiang移yi動dong,當dang達da到dao極ji限xian位wei置zhi,帶dai動dong安an裝zhuang在zai卷juan筒tong外wai殼ke上shang的de限xian位wei杆gan一yi齊qi移yi動dong,到dao達da極ji限xian位wei置zhi觸chu動dong安an裝zhuang帶dai主zhu電dian機ji上shang的de限位開關而起到限位作用。
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