製zhi動dong時shi停ting機ji下xia滑hua距ju離li超chao過guo規gui定ding要yao求qiu,產chan生sheng的de原yuan因yin在zai於yu電dian動dong葫hu蘆lu長chang期qi停ting用yong時shi,有you人ren誤wu調tiao整zheng製zhi動dong調tiao整zheng螺luo母mu,或huo製zhi動dong環huan磨mo損sun過guo大da,使shi製zhi動dong彈dan簧huang壓ya力li減jian小xiao,製zhi動力降低,當停機時,製動不可靠,下滑距離超過規定要求,這種情況隻要按葫蘆說明書要求,重新調整製動螺母即可。但工作中應注意,起升重物時,禁止調整、檢查和維修製動器。
有時,調整了製動螺母,停機下滑距離仍超過規定要求,碰到此類情況,就要考慮其他原因。
首shou先xian先xian拆chai開kai製zhi動dong環huan,檢jian查zha製zhi動dong麵mian上shang是shi否fou粘zhan有you油you汙wu,如ru粘zhan有you油you汙wu,摩mo擦ca係xi數shu降jiang低di,會hui使shi製zhi動dong時shi打da滑hua,下xia滑hua距ju離li超chao過guo規gui定ding要yao求qiu,僅jin調tiao整zheng製zhi動dong螺luo母mu用yong處chu不bu大da,這zhe時shi隻zhi有you徹che底di清qing洗xi製zhi動dong麵mian(清洗易用輕質汽油),恢複製動麵摩擦係數;
其次,如製動環鬆動或損壞,製動環無法保證有效製動,隻有更換製動環;有you時shi發fa現xian製zhi動dong環huan未wei損sun壞huai,僅jin製zhi動dong環huan與yu後hou端duan蓋gai錐zhui麵mian接jie觸chu不bu良liang,製zhi動dong時shi,製zhi動dong麵mian接jie觸chu過guo少shao,製zhi動dong力li過guo小xiao,使shi下xia滑hua距ju離li超chao過guo規gui定ding要yao求qiu,檢jian修xiu時shi,為wei了le增zeng大da製zhi動dong力li,應ying查zha找zhao出chu接jie觸chu不bu良liang的de位wei置zhi,進jin行xing修xiu磨mo,增zeng大da製zhi動dong時shi的de接jie觸chu麵mian,無wu法fa修xiu磨mo時shi,需xu更geng換huan配pei件jian;huludianjilianzhouqicuandongbulinghuokasi,tingjihou,zhidonghuanyuhouduangaizhuimianjiechubulianghuowufajiechu,shihuluzhidongxiaoguoshihaoshihuai,zheleiqingkuang,yingduilianzhouqijinxingjianxiuhuogenghuan。
另外,製動器壓力彈簧長期使用產生疲勞,使彈簧力變小,停機時,製動不牢固,則應更換彈簧,重新調整製動力。
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