卷juan揚yang機ji的de雙shuang繩sheng提ti升sheng機ji構gou,卷juan揚yang機ji的de卷juan筒tong是shi具ju有you左zuo右you分fen隔ge的de卷juan筒tong,繞rao在zai卷juan筒tong上shang的de鋼gang絲si繩sheng是shi左zuo右you兩liang根gen獨du立li的de鋼gang絲si繩sheng。動dong力li機ji經jing減jian速su機ji構gou後hou,驅qu動dong卷juan筒上的鋼絲繩各自卷起、拆chai開kai。鋼gang絲si繩sheng的de線xian頭tou各ge自zi通tong過guo安an裝zhuang在zai井jing架jia上shang的de定ding滑hua輪lun組zu,又you各ge自zi連lian接jie到dao吊diao籠long上shang。用yong本ben實shi用yong新xin型xing的de卷juan揚yang機ji的de雙shuang繩sheng提ti升sheng機ji構gou,鋼gang絲si繩sheng的de負fu荷he小xiao,一yi旦dan一yi根gen鋼gang絲si繩sheng斷duan裂lie,另ling一yi根gen鋼gang絲si繩sheng將jiang起qi保bao護hu作zuo用yong,避bi免mian*身傷亡、設備毀壞事故。