公司甲装车(che)(che)间有一(yi)台(tai)5T叉(cha)车(che)(che)、一(yi)台(tai)6T侧叉(cha)车(che)(che)经过长时(shi)间使(shi)用,两台(tai)叉(cha)车(che)(che)分别出现发动机(ji)烧(shao)机(ji)油(you)、缸内异响、变(bian)速箱不工作、液压缸磨损漏油(you)、驾驶(shi)室、车(che)(che)身腐蚀严重(zhong)、后传(chuan)动系统及(ji)轮胎损坏,目前无(wu)法使(shi)用,需修(xiu)理改善状况,达(da)到使(shi)用要求。
利(li)用吊车(che)将5T叉(cha)车(che)、6T侧叉(cha)车(che)吊入(ru)货车(che)运入(ru)修理厂(chang),同时分别进(jin)行工(gong)装材料(liao)准备(bei)、清洗材料(liao)准备(bei)等相关准备(bei)工(gong)作。
拆(chai)卸(xie)驾(jia)驶(shi)室内相(xiang)(xiang)关(guan)联灯(deng)开(kai)关(guan)、仪表盘、线(xian)(xian)路及(ji)控制系(xi)(xi)统(tong)(tong)(tong)(tong),用吊(diao)车(che)(che)分(fen)别将(jiang)2台驾(jia)驶(shi)室吊(diao)下落地。拆(chai)卸(xie)发(fa)(fa)动(dong)(dong)机(ji)(ji)舱盖及(ji)相(xiang)(xiang)关(guan)联线(xian)(xian)路、排气(qi)管、固定螺(luo)丝。拆(chai)卸(xie)水箱及(ji)相(xiang)(xiang)关(guan)联管件。分(fen)解发(fa)(fa)动(dong)(dong)机(ji)(ji)(发(fa)(fa)现(xian)2台发(fa)(fa)动(dong)(dong)机(ji)(ji)缸(gang)筒出(chu)现(xian)拉缸(gang)),同(tong)时(shi)进(jin)(jin)行(xing)清(qing)洗(xi)。拆(chai)卸(xie)修理(li)液压(ya)系(xi)(xi)统(tong)(tong)(tong)(tong),对损坏(huai)配件更(geng)(geng)换(huan)(huan)。拆(chai)卸(xie)修理(li)变速箱及(ji)各(ge)部(bu)分(fen)零(ling)部(bu)件清(qing)洗(xi),对损坏(huai)配件更(geng)(geng)换(huan)(huan)。拆(chai)卸(xie)修理(li)6t侧叉(cha)车(che)(che)的传(chuan)动(dong)(dong)系(xi)(xi)统(tong)(tong)(tong)(tong)清(qing)洗(xi)、更(geng)(geng)换(huan)(huan)配件。检(jian)修:发(fa)(fa)动(dong)(dong)机(ji)(ji)分(fen)解后(hou),拆(chai)卸(xie)旧(jiu)缸(gang)筒更(geng)(geng)换(huan)(huan)新缸(gang)筒,并进(jin)(jin)行(xing)镗缸(gang)、激(ji)光淬(cui)火,现(xian)时(shi)更(geng)(geng)换(huan)(huan)配件。装(zhuang)气(qi)门口(kou)、研门口(kou)。更(geng)(geng)换(huan)(huan)零(ling)部(bu)件。将(jiang)各(ge)部(bu)线(xian)(xian)路进(jin)(jin)行(xing)整理(li)。2台叉(cha)车(che)(che)驾(jia)驶(shi)室、车(che)(che)身分(fen)别进(jin)(jin)行(xing)防腐处理(li),钣金复位、喷(pen)漆。装(zhuang)配:修复好发(fa)(fa)动(dong)(dong)机(ji)(ji)吊(diao)装(zhuang)至车(che)(che)上(shang),装(zhuang)配发(fa)(fa)动(dong)(dong)机(ji)(ji)与行(xing)走部(bu)分(fen)的连接螺(luo)栓(shuan)。液压(ya)系(xi)(xi)统(tong)(tong)(tong)(tong),传(chuan)动(dong)(dong)系(xi)(xi)统(tong)(tong)(tong)(tong)。回(hui)装(zhuang)各(ge)部(bu)分(fen)线(xian)(xian)路、进(jin)(jin)气(qi)支(zhi)(zhi)管、排气(qi)支(zhi)(zhi)管。将(jiang)发(fa)(fa)动(dong)(dong)机(ji)(ji)周边进(jin)(jin)行(xing)清(qing)洗(xi),同(tong)时(shi)进(jin)(jin)行(xing)检(jian)查。试车(che)(che):启(qi)动(dong)(dong)发(fa)(fa)动(dong)(dong)机(ji)(ji)并进(jin)(jin)行(xing)整车(che)(che)调试,检(jian)查发(fa)(fa)动(dong)(dong)机(ji)(ji)、空调系(xi)(xi)统(tong)(tong)(tong)(tong)、电(dian)路系(xi)(xi)统(tong)(tong)(tong)(tong)无异常(chang)后(hou),磨合8小时(shi)可申(shen)请交付使用。
施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)中的危险因素(su)(su)辨识(shi)及(ji)处(chu)理(li)。依据(ju)(ju)《设(she)备(bei)修(xiu)理(li)及(ji)抢(qiang)修(xiu)作(zuo)(zuo)业(ye)隐患(huan)排(pai)查方案(an)(an)》进(jin)(jin)行(xing)(xing)(xing)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)现(xian)场(chang)检查,要(yao)(yao)(yao)求针对(dui)存在隐患(huan)情(qing)(qing)况(kuang)及(ji)时(shi)(shi)整改。本施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)程(cheng)序(xu)存在如下危险因素(su)(su),并(bing)(bing)(bing)针对(dui)危险因素(su)(su)指(zhi)定相(xiang)应(ying)防(fang)范措施(shi)(shi)(shi)(shi),确认安(an)全(quan)(quan)后方可施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)。危险因素(su)(su):在施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)作(zuo)(zuo)业(ye)前关闭电(dian)(dian)(dian)源,并(bing)(bing)(bing)用万用表(biao)进(jin)(jin)行(xing)(xing)(xing)验电(dian)(dian)(dian),确保安(an)全(quan)(quan)后方可施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong),在施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)期间总(zong)电(dian)(dian)(dian)源处(chu)要(yao)(yao)(yao)有(you)(you)人值守,防(fang)止(zhi)误合闸造成触电(dian)(dian)(dian)事故(gu)(gu)。在施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)过程(cheng)中要(yao)(yao)(yao)戴(dai)好(hao)安(an)全(quan)(quan)带,防(fang)止(zhi)发(fa)(fa)生高(gao)空坠(zhui)落事故(gu)(gu)。在吊车拆(chai)装过程(cheng)中,需要(yao)(yao)(yao)吊运部件要(yao)(yao)(yao)有(you)(you)专(zhuan)业(ye)人员作(zuo)(zuo)业(ye),并(bing)(bing)(bing)统一指(zhi)挥(hui),防(fang)止(zhi)碰(peng)撞(zhuang)(zhuang)造成设(she)备(bei)或(huo)(huo)人员受(shou)伤(shang)。应(ying)急预案(an)(an):当(dang)(dang)(dang)有(you)(you)触电(dian)(dian)(dian)事故(gu)(gu)发(fa)(fa)生时(shi)(shi),要(yao)(yao)(yao)立即(ji)断(duan)电(dian)(dian)(dian)停(ting)止(zhi)作(zuo)(zuo)业(ye),进(jin)(jin)行(xing)(xing)(xing)伤(shang)员抢(qiang)救,并(bing)(bing)(bing)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。当(dang)(dang)(dang)高(gao)空坠(zhui)落事故(gu)(gu)发(fa)(fa)生时(shi)(shi),要(yao)(yao)(yao)根据(ju)(ju)伤(shang)员情(qing)(qing)况(kuang)采(cai)(cai)取措施(shi)(shi)(shi)(shi)并(bing)(bing)(bing)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。当(dang)(dang)(dang)有(you)(you)碰(peng)撞(zhuang)(zhuang)造成设(she)备(bei)或(huo)(huo)人员受(shou)伤(shang)时(shi)(shi),要(yao)(yao)(yao)根据(ju)(ju)碰(peng)撞(zhuang)(zhuang)损坏或(huo)(huo)受(shou)伤(shang)情(qing)(qing)况(kuang)采(cai)(cai)取措施(shi)(shi)(shi)(shi)并(bing)(bing)(bing)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。安(an)全(quan)(quan)预案(an)(an):当(dang)(dang)(dang)有(you)(you)触电(dian)(dian)(dian)事故(gu)(gu)发(fa)(fa)生时(shi)(shi),要(yao)(yao)(yao)立即(ji)断(duan)电(dian)(dian)(dian)停(ting)止(zhi)作(zuo)(zuo)业(ye),进(jin)(jin)行(xing)(xing)(xing)伤(shang)员抢(qiang)救并(bing)(bing)(bing)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。当(dang)(dang)(dang)有(you)(you)碰(peng)撞(zhuang)(zhuang)造成设(she)备(bei)或(huo)(huo)人员受(shou)伤(shang)时(shi)(shi),要(yao)(yao)(yao)根据(ju)(ju)碰(peng)撞(zhuang)(zhuang)损坏或(huo)(huo)受(shou)伤(shang)情(qing)(qing)况(kuang)采(cai)(cai)取措施(shi)(shi)(shi)(shi)并(bing)(bing)(bing)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。当(dang)(dang)(dang)有(you)(you)火(huo)(huo)灾(zai)发(fa)(fa)生时(shi)(shi),要(yao)(yao)(yao)立即(ji)用灭火(huo)(huo)器进(jin)(jin)行(xing)(xing)(xing)灭火(huo)(huo),并(bing)(bing)(bing)拨打厂内(nei)火(huo)(huo)警电(dian)(dian)(dian)话,同时(shi)(shi)进(jin)(jin)行(xing)(xing)(xing)人员疏散和(he)向上(shang)(shang)(shang)级(ji)报(bao)(bao)告(gao)(gao)。如防(fang)范措施(shi)(shi)(shi)(shi)无法保证现(xian)场(chang)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)安(an)全(quan)(quan)要(yao)(yao)(yao)求时(shi)(shi),现(xian)场(chang)负责人要(yao)(yao)(yao)及(ji)时(shi)(shi)上(shang)(shang)(shang)报(bao)(bao),并(bing)(bing)(bing)启动 《修(xiu)理(li)作(zuo)(zuo)业(ye)安(an)全(quan)(quan)生产(chan)事故(gu)(gu)现(xian)场(chang)处(chu)置方案(an)(an)》。处(chu)置方案(an)(an)结束后,找出事故(gu)(gu)原因,再次(ci)落实现(xian)场(chang)隐患(huan),确认安(an)全(quan)(quan)恢复施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)。
故(gu)障和原因。故(gu)障现(xian)象:此声(sheng)(sheng)响(xiang)(xiang)(xiang)(xiang)(xiang)比较(jiao)复杂,有(you)(you)(you)时(shi)(shi)(shi)(shi)有(you)(you)(you)节(jie)(jie)(jie)奏,有(you)(you)(you)时(shi)(shi)(shi)(shi)无(wu)节(jie)(jie)(jie)奏,有(you)(you)(you)时(shi)(shi)(shi)(shi)是(shi)间(jian)歇响(xiang)(xiang)(xiang)(xiang)(xiang),有(you)(you)(you)时(shi)(shi)(shi)(shi)又是(shi)连续响(xiang)(xiang)(xiang)(xiang)(xiang),发(fa)(fa)(fa)(fa)动(dong)机(ji)转速(su)(su)变化,在(zai)正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)室(shi)(shi)盖(gai)处发(fa)(fa)(fa)(fa)现(xian)杂乱(luan)而轻微的(de)噪(zao)(zao)声(sheng)(sheng),转速(su)(su)提高后噪(zao)(zao)声(sheng)(sheng)消失,急(ji)减速(su)(su)时(shi)(shi)(shi)(shi),此噪(zao)(zao)声(sheng)(sheng)尾随出(chu)现(xian),有(you)(you)(you)的(de)声(sheng)(sheng)响(xiang)(xiang)(xiang)(xiang)(xiang)不(bu)受温度(du)和单缸断(duan)(duan)火试验的(de)影响(xiang)(xiang)(xiang)(xiang)(xiang),有(you)(you)(you)的(de)声(sheng)(sheng)响(xiang)(xiang)(xiang)(xiang)(xiang)在(zai)温度(du)低时(shi)(shi)(shi)(shi)无(wu)噪(zao)(zao)音,当温度(du)正(zheng)(zheng)常后,才出(chu)现(xian)噪(zao)(zao)声(sheng)(sheng),有(you)(you)(you)的(de)声(sheng)(sheng)响(xiang)(xiang)(xiang)(xiang)(xiang)伴(ban)同时(shi)(shi)(shi)(shi)正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)室(shi)(shi)盖(gai)振动(dong),有(you)(you)(you)的(de)声(sheng)(sheng)响(xiang)(xiang)(xiang)(xiang)(xiang)不(bu)伴(ban)同振动(dong)。故(gu)障主要(yao)原因:齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)啮合间(jian)隙过大,齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)啮合间(jian)隙过小(xiao),齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)啮合不(bu)均匀(yun),凸轮(lun)(lun)(lun)轴轴向间(jian)隙过大,正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)紧固螺栓松(song)动(dong)滑落。故(gu)障诊(zhen)断(duan)(duan)与排除:正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)响(xiang)(xiang)(xiang)(xiang)(xiang)声(sheng)(sheng)的(de)表现(xian)形式(shi)虽然(ran)较(jiao)多但诊(zhen)断(duan)(duan)的(de)方法不(bu)外(wai)乎(hu)有(you)(you)(you)两种(zhong):一种(zhong)是(shi)变换(huan)节(jie)(jie)(jie)气(qi)(qi)门开度(du)法,即操纵节(jie)(jie)(jie)气(qi)(qi)门,不(bu)断(duan)(duan)变换(huan)发(fa)(fa)(fa)(fa)动(dong)机(ji)转速(su)(su),以便找出(chu)响(xiang)(xiang)(xiang)(xiang)(xiang)声(sheng)(sheng)最强的(de)转速(su)(su),同时(shi)(shi)(shi)(shi)配(pei)合听诊(zhen)。另一种(zhong)是(shi)听诊(zhen)法,即用听诊(zhen)器或简(jian)易听杆(gan)触在(zai)发(fa)(fa)(fa)(fa)动(dong)机(ji)前部听诊(zhen),同时(shi)(shi)(shi)(shi)把发(fa)(fa)(fa)(fa)动(dong)机(ji)稳定在(zai)响(xiang)(xiang)(xiang)(xiang)(xiang)声(sheng)(sheng)较(jiao)强的(de)转速(su)(su)上。如(ru)果响(xiang)(xiang)(xiang)(xiang)(xiang)声(sheng)(sheng)发(fa)(fa)(fa)(fa)生(sheng)在(zai)正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)室(shi)(shi)盖(gai)处,即可断(duan)(duan)定是(shi)正(zheng)(zheng)时(shi)(shi)(shi)(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)响(xiang)(xiang)(xiang)(xiang)(xiang)。
离(li)合(he)器(qi)是设置(zhi)在发(fa)动(dong)机与(yu)变速器(qi)之(zhi)间(jian)的动(dong)力传动(dong)装置(zhi)。根据(ju)汽车起重机、搬运(yun)机械种类(lei)不同,离(li)合(he)器(qi)有单片(pian)和双(shuang)片(pian)之(zhi)分。单片(pian)和双(shuang)片(pian)式离(li)合(he)器(qi)的结构及(ji)原理大致相同,多片(pian)湿式离(li)合(he)器(qi)与(yu)单、双(shuang)片(pian)式离(li)合(he)器(qi)有较大差(cha)别。
发动机方面,怠速运(yun)转,踩下离(li)合器(qi)(qi)(qi)(qi)踏(ta)(ta)板(ban),原(yuan)地挂(gua)挡感(gan)到(dao)困难,变速器(qi)(qi)(qi)(qi)齿轮有撞击声,情况严(yan)重(zhong)时,原(yuan)地挂(gua)挡后,不抬离(li)合器(qi)(qi)(qi)(qi)踏(ta)(ta)板(ban)发动机就熄(xi)火(huo),故障主要原(yuan)因(yin)离(li)合器(qi)(qi)(qi)(qi)踏(ta)(ta)板(ban)自由行程过大、离(li)合器(qi)(qi)(qi)(qi)分离(li)杠杆高度(du)不一致(zhi)、压盘或飞轮摩擦表面不平、离(li)合器(qi)(qi)(qi)(qi)弹(dan)簧或膜片弹(dan)簧损(sun)坏、一轴弯曲或磨(mo)损(sun)过大、离(li)合器(qi)(qi)(qi)(qi)摩擦片装反等原(yuan)因(yin)造(zao)成(cheng)的。