某內河港,由於水位落差大,碼頭前沿為岸壁式,碼頭上起重機的下降深度比較大,在枯水季節,*小幅度時吊鉤下降到一定深度後,司機在駕駛室內看不見吊鉤。碼頭上在用的一台門、座(zuo)起(qi)重(zhong)機(ji),某(mou)工(gong)班(ban)司(si)機(ji)準(zhun)備(bei)交(jiao)班(ban)時(shi),將(jiang)吊(diao)鉤(gou)放(fang)下(xia),由(you)於(yu)大(da)意(yi),吊(diao)鉤(gou)下(xia)放(fang)時(shi)間(jian)太(tai)長(chang),卷(juan)筒(tong)上(shang)的(de)鋼(gang)絲(si)繩(sheng)全(quan)部(bu)放(fang)完(wan)起(qi)升(sheng)機(ji)構(gou)電(dian)動(dong)機(ji)繼(ji)續(xu)旋(xuan)轉(zhuan),起(qi)升(sheng)鋼(gang)絲(si)繩(sheng)在(zai)卷(juan)筒(tong)上(shang)由(you)放(fang)出(chu)港(gang)口(kou)安(an)全(quan)變(bian)成(cheng)卷(juan)繞(rao),於(yu)是(shi),起(qi)升(sheng)鋼(gang)絲(si)繩(sheng)進(jin)出(chu)卷(juan)筒(tong)的(de)方(fang)向(xiang)發(fa)生(sheng)了(le)改(gai)變(bian),原(yuan)來(lai)由(you)卷(juan)筒(tong)後(hou)方(fang)進(jin)出(chu)卷(juan)筒(tong)的(de),現(xian)在(zai)變(bian)成(cheng)了(le)由(you)卷(juan)筒(tong)前(qian)方(fang)進(jin)出(chu)卷(juan)筒(tong)了(le)。
當dang班ban司si機ji停ting機ji就jiu下xia班ban了le,接jie班ban司si機ji上shang班ban後hou,按an常chang規gui進jin行xing開kai機ji前qian的de狀zhuang況kuang檢jian查zha,檢jian查zha到dao起qi升sheng卷juan筒tong時shi,發fa現xian起qi升sheng鋼gang絲si繩sheng進jin出chu卷juan筒tong的de方fang向xiang反fan了le,速su報bao安an全quan技ji術shu部bu門men,要yao求qiu技ji術shu人ren員yuan進jin行xing檢jian查zha。檢jian查zha分fen析xi確que定ding是shi上shang升sheng、下降極限位置限製器失靈所產生的惡果,馬上恢複到正常狀態。
上shang述shu事shi例li,如ru果guo不bu是shi接jie班ban司si機ji發fa現xian及ji時shi,按an交jiao班ban狀zhuang態tai進jin行xing裝zhuang卸xie作zuo業ye,就jiu可ke能neng會hui發fa生sheng事shi故gu。某mou港gang務wu局ju一yi港gang務wu公gong司si用yong門men座zuo起qi重zhong機ji卸xie萬wan噸dun輪lun上shang的de貨huo物wu,該gai輪lun船chuan裝zhuang的de貨huo物wu是shi大da型xing析xi架jia式shi金jin屬shu結jie構gou件jian,為wei了le避bi免mian在zai運yun輸shu途tu中zhong遇yu風feng浪lang時shi因yin船chuan舶bo搖yao晃huang導dao致zhi貨huo物wu在zai船chuan艙cang中zhong滑hua動dong而er造zao成cheng危wei險xian,在zai裝zhuang貨huo時shi,將jiang每mei件jian大da型xing析xi架jia式shi金jin屬shu結jie構gou件jian連lian成cheng了le整zheng體ti。
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