橋(qiao)式(shi)起(qi)重(zhong)機(ji)運(yun)行(xing)時(shi),車(che)輪(lun)輪(lun)緣(yuan)與(yu)軌(gui)道(dao)側(ce)麵(mian)相(xiang)互(hu)擠(ji)壓(ya)摩(mo)擦(ca)的(de)現(xian)象(xiang)稱(cheng)為(wei)啃(ken)軌(gui)。啃(ken)軌(gui)會(hui)導(dao)致(zhi)起(qi)重(zhong)機(ji)車(che)輪(lun)和(he)軌(gui)道(dao)嚴(yan)重(zhong)磨(mo)損(sun),需(xu)要(yao)頻(pin)繁(fan)更(geng)換(huan),造(zao)成(cheng)巨(ju)大(da)的(de)經(jing)濟損失。
長期以來,人們一直試圖解決啃軌問題,嚐試過潤滑車輪輪緣與軌道側麵、加裝水平輪、采用特殊形狀車輪等多種方法,但效果都不是很理想。起重機的操作模式、安裝精度等各種因素造成的車架相對於軌道的偏斜行走是啃軌現象產生的根本原因。
yincijiejuekenguiwentidegenbenfangfazaiyujiuzhengchejiaxiangduiyuguidaodepianxie,shiqiyanzheguidaodezhongxinxianxingzou。anzhaoshangshushexiang,tichucaiyongbianpinfangshiqudongqiaoshiqizhongjiliangcedediandongji,yongweiyichuanganqihuoxuanzhuanbianmaqiceliangchuqizhongjichelunxiangduiyuguidaodepiancha,yicipianchaliangzuoweikongzhixinhao,tongguojisuanjikongzhidebianpinqitiaozhengliangbianqudongdiandongjidezhuansu,shiqiaoshiqizhongjidexingjinfangxiangfashengpianzhuan,congerdadaojiupiandemude。
提(ti)出(chu)了(le)基(ji)於(yu)變(bian)頻(pin)控(kong)製(zhi)的(de)糾(jiu)偏(pian)係(xi)統(tong)。上(shang)述(shu)的(de)內(nei)容(rong)主(zhu)要(yao)是(shi)通(tong)過(guo)變(bian)頻(pin)控(kong)製(zhi)糾(jiu)正(zheng)橋(qiao)式(shi)起(qi)重(zhong)機(ji)車(che)輪(lun)與(yu)軌(gui)道(dao)間(jian)的(de)位(wei)置(zhi)偏(pian)差(cha),但(dan)並(bing)沒(mei)有(you)對(dui)橋(qiao)式(shi)起(qi)重(zhong)機(ji)行(xing)進(jin)方(fang)向(xiang)上(shang)的(de)偏(pian)差(cha)進(jin)行(xing)糾(jiu)正(zheng)。
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