压力信号送至plc进行处理，确定是否启动备用泵和发出警报信号；为了控制系统出口的流量，设置了气动薄膜
ya li xin hao song zhi plc jin hang chu li que ding shi fou qi dong bei yong beng he fa chu jing bao xin hao wei le kong zhi xi tong chu kou de liu liang she zhi le qi dong bao mo
置的进出油口设置挠性接头进行减震。油泵进口与油箱之间设有电动碟阀；系统出油口设置压力控制器，将出油口
zhi de jin chu you kou she zhi nao xing jie tou jin hang jian zhen you beng jin kou yu you xiang zhi jian she you dian dong die fa xi tong chu you kou she zhi ya li kong zhi qi jiang chu you kou
用一备一，靠系统出油口设置的压力控制器采集的压力信号控制备用泵的启动和停止。泵出口处设置止回阀，泵装
yong yi bei yi kao xi tong chu you kou she zhi de ya li kong zhi qi cai ji de ya li xin hao kong zhi bei yong beng de qi dong he ting zhi beng chu kou chu she zhi zhi hui fa beng zhuang
螺杆泵，型号为w6.4zi30m3w73，流量为400l/min，公称压力为1.6mpa，配置方式为
luo gan beng xing hao wei w6.4zi30m3w73 liu liang wei 400l/min gong cheng ya li wei 1.6mpa pei zhi fang shi wei
自循环过滤旁路，内设磁栅过滤装置、双层过滤网；吸油浮筒处设金属过滤网。2.2 油泵和压力控制配备2台
zi xun huan guo lv pang lu nei she ci zha guo lv zhuang zhi shuang ceng guo lv wang xi you fu tong chu she jin shu guo lv wang 2.2 you beng he ya li kong zhi pei bei 2 tai
测，由plc进行处理，以判定油箱液位是否正常。油箱顶部设置抽风机，定时排出油箱顶部的水蒸汽；油站设置
ce you plc jin hang chu li yi pan ding you xiang ye wei shi fou zheng chang you xiang ding bu she zhi chou feng ji ding shi pai chu you xiang ding bu de shui zheng qi you zhan she zhi
内油品温度，由plc进行处理，以确定电加热器是否启动。油位的控制采用超声波液位计对油箱液位进行连续检
nei you pin wen du you plc jin hang chu li yi que ding dian jia re qi shi fou qi dong you wei de kong zhi cai yong chao sheng bo ye wei ji dui you xiang ye wei jin hang lian xu jian
油管以及系统回油管路将2个油箱连接在一起，2台油箱采用用一备一方式。油温的控制采用中国体彩官方网温度传感器采集油箱
you guan yi ji xi tong hui you guan lu jiang 2 ge you xiang lian jie zai yi qi 2 tai you xiang cai yong yong yi bei yi fang shi you wen de kong zhi cai yong zhong guo ti cai guan fang wang wen du chuan gan qi cai ji you xiang
改造，见图1。图1 改造后的油膜轴承润滑系统2.1 油箱设置2台20m3油箱，由吸油集流管、自循环回
gai zao jian tu 1 tu 1 gai zao hou de you mo zhou cheng run hua xi tong 2.1 you xiang she zhi 2 tai 20m3 you xiang you xi you ji liu guan zi xun huan hui
较宽，不能满足油膜轴承的运行要求。2改造方案根据轧机油膜轴承的要求，针中国体彩官方网对其润滑系统存在的问题，进行了
jiao kuan bu neng man zu you mo zhou cheng de yun hang yao qiu 2 gai zao fang an gen ju zha ji you mo zhou cheng de yao qiu zhen zhong guo ti cai guan fang wang dui qi run hua xi tong cun zai de wen ti jin hang le
油口采用金属网过滤和板式冷却器冷却，系统回油口采用磁过滤器过滤。对润滑油的压力、温度、流量的控制范围
you kou cai yong jin shu wang guo lv he ban shi leng que qi leng que xi tong hui you kou cai yong ci guo lv qi guo lv dui run hua you de ya li wen du liu liang de kong zhi fan wei
量大的问题，从而影响油膜轴承的正常运转，降低其使用寿命。（2）采用2台螺杆泵供油，系统设置安全阀，供
liang da de wen ti cong er ying xiang you mo zhou cheng de zheng chang yun zhuan jiang di qi shi yong shou ming 2 cai yong 2 tai luo gan beng gong you xi tong she zhi an quan fa gong
m3油箱，存在散热、消除气泡、分离水分、滤出杂质中国体彩官方网等能力不足，容易造成油温过高和油中水分、气泡、杂质含
m3 you xiang cun zai san re xiao chu qi pao fen li shui fen lv chu za zhi zhong guo ti cai guan fang wang deng neng li bu zu rong yi zao cheng you wen guo gao he you zhong shui fen qi pao za zhi han
，该油膜轴承需1套润滑油系统维持运行。原油膜轴承润滑系统按常规设计，存在以下缺陷：（1）采用1台20
gai you mo zhou cheng xu 1 tao run hua you xi tong wei chi yun hang yuan you mo zhou cheng run hua xi tong an chang gui she ji cun zai yi xia que xian 1 cai yong 1 tai 20
中厚板厂(简称济中国体彩官方网钢中厚板厂)3500mm四辊精轧机轧制力为68.8mn，其支承辊轴承采用油膜轴承型式
zhong hou ban chang ( jian cheng ji zhong guo ti cai guan fang wang gang zhong hou ban chang )3500mm si gun jing zha ji zha zhi li wei 68.8mn qi zhi cheng gun zhou cheng cai yong you mo zhou cheng xing shi
压力、温度、流量的控制精度和油品的清洁度。应用表明，油膜轴承运行良好、稳定。1概述济南钢铁集团总公司
ya li wen du liu liang de kong zhi jing du he you pin de qing jie du ying yong biao ming you mo zhou cheng yun hang liang hao wen ding 1 gai shu ji nan gang tie ji tuan zong gong si
方式设置2台油箱、油泵，由plc系统自中国体彩官方网动检测控制油温、流量及油压，设置冷却器、过滤器等，提高了润滑油
fang shi she zhi 2 tai you xiang you beng you plc xi tong zi zhong guo ti cai guan fang wang dong jian ce kong zhi you wen liu liang ji you ya she zhi leng que qi guo lv qi deng ti gao le run hua you
油中水分、气泡及杂质含量大的问题，对3500mm中厚板轧机油膜轴承润滑系统进行了改造。采取用一备一的
you zhong shui fen qi pao ji za zhi han liang da de wen ti dui 3500mm zhong hou ban zha ji you mo zhou cheng run hua xi tong jin hang le gai zao cai qu yong yi bei yi de
油膜轴承,润滑系中国体彩官方网统,plc【论文摘要】针对原设计中存在的油压不稳、油温难以精确控制以及散热能力不足，
you mo zhou cheng , run hua xi zhong guo ti cai guan fang wang tong ,plc lun wen zhai yao zhen dui yuan she ji zhong cun zai de you ya bu wen you wen nan yi jing que kong zhi yi ji san re neng li bu zu
刘宝松,王新亭,程永茂,董树杰(济南钢铁集团总公司，山东 济南 250101)【关键词】中厚板轧机,
liu bao song , wang xin ting , cheng yong mao , dong shu jie ( ji nan gang tie ji tuan zong gong si shan dong ji nan 250101) guan jian ci zhong hou ban zha ji ,