
1、lx電動單梁懸掛起重機的扭擺
lxxingdiandongdanliangxuanguashiqizhongjideqidonghezhidongshitongguozhudonglunyugongzigangguidaodemocalaishixiande。ruguoqizhongjiduanliangyuqudonglunliangcedemocalibuyizhi,qizhongjijiangbeiniubai。xiamianshiduibutongniubaixianxiangchanshengdeyuanyinjijiejuefangfadefenxi。
1)開始時不扭擺,停止扭擺。
當(dang)啟(qi)動(dong)過(guo)程(cheng)中(zhong)沒(mei)有(you)明(ming)顯(xian)的(de)扭(niu)振(zhen),停(ting)止(zhi)過(guo)程(cheng)中(zhong)也(ye)有(you)明(ming)顯(xian)的(de)扭(niu)振(zhen)時(shi),應(ying)觀(guan)察(cha)驅(qu)動(dong)輪(lun)在(zai)擺(bai)動(dong)側(ce)的(de)運(yun)行(xing)情(qing)況(kuang)。停(ting)車(che)時(shi),擺(bai)動(dong)側(ce)主(zhu)動(dong)輪(lun)扭(niu)轉(zhuan)轉(zhuan)動(dong),這(zhe)可(ke)以(yi)確(que)定(ding)是(shi)由(you)於(yu)兩(liang)側(ce)製(zhi)動(dong)不(bu)一(yi)致(zhi)造(zao)成(cheng)的(de)。此(ci)時(shi)電(dian)機(ji)同(tong)步(bu)啟(qi)動(dong),無(wu)扭(niu)矩(ju)。如(ru)果(guo)驅(qu)動(dong)輪(lun)不(bu)扭(niu)轉(zhuan)轉(zhuan)動(dong),則(ze)不(bu)是(shi)製(zhi)動(dong)問(wen)題(ti),而(er)是(shi)由(you)驅(qu)動(dong)輪(lun)側(ce)麵(mian)的(de)懸(xuan)架(jia)引(yin)起(qi)的(de)。
2)啟停時均擺動
lx電動單梁懸掛起重機啟動和停止時有兩種扭轉:一種是電機的一側損壞,另一種是製動失靈;另(ling)一(yi)種(zhong)是(shi)梁(liang)式(shi)驅(qu)動(dong)輪(lun)的(de)摩(mo)擦(ca)或(huo)懸(xuan)掛(gua)很(hen)少(shao)。通(tong)過(guo)更(geng)換(huan)或(huo)修(xiu)理(li)電(dian)機(ji)和(he)調(tiao)整(zheng)製(zhi)動(dong)器(qi),可(ke)以(yi)解(jie)決(jue)電(dian)機(ji)損(sun)壞(huai)和(he)製(zhi)動(dong)器(qi)故(gu)障(zhang)。主(zhu)動(dong)輪(lun)懸(xuan)掛(gua)引(yin)起(qi)的(de)啟(qi)停(ting)過(guo)程(cheng)中(zhong)有(you)兩(liang)種(zhong)扭(niu)轉(zhuan):一種是工字鋼下凸部安裝不均勻,使工字鋼履帶踏板不能有效地接觸到梁輪的驅動端;
qici,gongziliangbenshencunzaipiancha。liru,neichilunchicundeyiceyinqidepianchaqiahaoshizhudonglunyunxingdeyice,yehuidaozhizhudonglunyugongzigangtamianjiechubuliang。zairenheyizhongqingkuangxia,qidongshi,qudonglundoubunengjiechudaogongziganglvdaitaban,qudonglunzhuandongdanbunengyouxiaoxingzou,daozhizhihou。danglingyicexingzouyidingjulishi,huaxingcebeiqudongxingzou。
dangtatingzhishi,qudonglundehuadongceyijingtingzhizhuandong,danqudonglunyugongzigangguidaozhijiandecaitajiechudezhidongxiaoguobuhao,meiyouzugoudemocali,zaiguanxingzuoyongxiajixuyundong,zaiguanxingzuoyongxiarenghuifashengniubai。yinci,jiejueniubaiwentideguanjianshishiqudonglunyugongzigangguidaoyouxiaojiechu。yinci,anzhuangdiaojishiyingzhuyiyixiajidian:
(1)工字軌懸掛支架與工字軌連接麵的水平和設計高度偏差應控製在規定範圍內。
(2)檢查所選工字鋼軌道,其尺寸應符合要求。同時,工字鋼軌道同一區段的高度差應符合GB078-1998標準4的規定。同一零件的過度差異也會導致側梁驅動輪之間接觸不良,並由於打滑而導致扭轉。
(3)安裝工字鋼軌道後,檢查工字鋼軌道下的法蘭麵水平。
(4)小車的驅動裝置應安裝在起重機的內齒輪上,有助於減少在承載狀態下或使用一段時間後橋架變形引起扭轉的可能性。
(5)後lx電動單梁懸掛起重機懸掛的工字鋼軌道法蘭與軌道踏板另一側支撐座之間的連接板。填充後,用點焊或其他方法固定。
2、lx電動單梁懸掛起重機扭轉擺動的改進
懸掛式起重機的安裝規格允許輪軌間隙一側出現3-5m的誤差。這樣,起重機車輪與工字軌之間有一定的間隙,lx電(dian)動(dong)單(dan)梁(liang)懸(xuan)掛(gua)起(qi)重(zhong)機(ji)的(de)車(che)輪(lun)踏(ta)麵(mian)呈(cheng)圓(yuan)錐(zhui)形(xing)。在(zai)起(qi)重(zhong)機(ji)運(yun)行(xing)過(guo)程(cheng)中(zhong),當(dang)起(qi)重(zhong)機(ji)在(zai)各(ge)種(zhong)因(yin)素(su)的(de)影(ying)響(xiang)下(xia)縱(zong)向(xiang)運(yun)行(xing)時(shi),起(qi)重(zhong)機(ji)可(ke)以(yi)與(yu)一(yi)側(ce)緊(jin)密(mi)相(xiang)連(lian)。此(ci)時(shi),主(zhu)輪(lun)的(de)另(ling)一(yi)側(ce)也(ye)將(jiang)被(bei)懸(xuan)掛(gua)。在(zai)這(zhe)種(zhong)情(qing)況(kuang)下(xia),除(chu)非(fei)起(qi)重(zhong)機(ji)的(de)被(bei)動(dong)輪(lun)已(yi)被(bei)懸(xuan)掛(gua),否(fou)則(ze)上(shang)述(shu)調(tiao)整(zheng)措(cuo)施(shi)並(bing)不(bu)十(shi)分(fen)有(you)效(xiao)。跨(kua)度(du)方(fang)向(xiang)的(de)位(wei)移(yi)不(bu)影(ying)響(xiang)驅(qu)動(dong)輪(lun)與(yu)履(lv)帶(dai)板(ban)的(de)接(jie)觸(chu),明(ming)顯(xian)不(bu)滿(man)足(zu)設(she)備(bei)本(ben)身(shen)的(de)使(shi)用(yong)要(yao)求(qiu)。
因此,我們將LXxingdanliangxuanguaqizhongjidequdongzhuangzhicongbeidongcedezhudongcegaiweiyoutongyidianjiqudongdece,meicedouyouyigezhudonglunheyigechixingbeidonglun。zhezhonggaijinkeyijiejueshangshuyixilieniubaiwenti,qiechengbenbutaigao。zheshiyizhongshiyongdefangfa。
上述處理lx電動單梁懸掛起重機扭擺的方法對於使用中的和將要使用的裝置都是可行的。它簡單、經濟、可ke靠kao。對dui於yu使shi用yong懸xuan掛gua式shi起qi重zhong機ji的de設she備bei,這zhe種zhong改gai進jin的de方fang法fa可ke以yi使shi安an裝zhuang簡jian單dan,節jie約yue成cheng本ben。同tong時shi,為wei了le克ke服fu扭niu轉zhuan問wen題ti,必bi須xu提ti高gao起qi重zhong機ji的de剛gang度du,保bao證zheng端duan梁liang的de基ji礎chu距ju離li。
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