起重機的安全設備有哪些

2.主zhu動dong聯lian鎖suo設she備bei是shi指zhi有you許xu多duo裸luo線xian穿chuan過guo橋qiao式shi起qi重zhong機ji。為wei避bi免mian維wei修xiu人ren員yuan觸chu電dian
，在zai司si機ji室shi與yu司si機ji室shi之zhi間jian的de車che門men處chu安an裝zhuang主zhu動dong聯lian鎖suo設she備bei。緩huan衝chong器qi是shi一yi種zhong吸xi收shou起qi重zhong機ji與yu物wu體ti碰peng撞zhuang能neng量liang的de安an全quan裝zhuang置zhi。在zai起qi重zhong機ji製zhi動dong器qi和he端duan部bu開kai關guan失shi效xiao後hou工gong作zuo。當dang起qi重zhong機ji與yu軌gui道dao端duan柱zhu連lian接jie時shi，應ying確que保bao起qi重zhong機ji能neng平ping穩wen停ting放fang。

3.製動器是起重設備在起吊、平(ping)移(yi)和(he)旋(xuan)轉(zhuan)過(guo)程(cheng)中(zhong)，能(neng)隨(sui)時(shi)停(ting)止(zhi)工(gong)作(zuo)，使(shi)重(zhong)物(wu)停(ting)留(liu)在(zai)任(ren)何(he)高(gao)度(du)的(de)設(she)備(bei)。既(ji)能(neng)避(bi)免(mian)事(shi)故(gu)發(fa)生(sheng)，又(you)能(neng)滿(man)足(zu)運(yun)行(xing)要(yao)求(qiu)。由(you)於(yu)製(zhi)動(dong)器(qi)的(de)作(zuo)用(yong)對(dui)起(qi)重(zhong)機(ji)起(qi)著(zhe)非(fei)常(chang)重(zhong)要(yao)的(de)作(zuo)用(yong)，許(xu)多(duo)事(shi)故(gu)往(wang)往(wang)是(shi)由(you)製(zhi)動(dong)器(qi)失(shi)靈(ling)或(huo)拍(pai)打(da)引(yin)起(qi)的(de)。