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颚式破碎机轴承烧坏导致停机的解决方法

发布时间:2019-02-17    14:02:17浏览次数:

摘要:颚式破碎机是矿物加工的粗碎设备,具有破碎比大、产量高、工作可靠等特点,广泛运用于矿山、冶金、公路、铁路等领域,目前,破碎机在使用过程中经常出现停机(俗称闷车)等故障,即机器突然停止运转,石料卡在排料口处,本文主要针对某采石场发生的停机故障做一个分析并给予解决。

一、相关概念

1、颚式破碎机工作原理是:电动机驱动皮带和皮带轮,通过偏心轴使动颚作周期性摆动,当动颚齿板靠近机架齿板时,物料在两齿板间挤压破碎;当齿板离开时,破碎腔内己破碎好的物料靠自重作用排出,实现批量生产。

2、TINGJI:JIQIYUNZHUANGUOCHENGZHONGTURANCHUXIANGUZHANG,ESHIPOSUIJITINGZHIGONGZUO。

颚式破碎机结构示意图

二、故障现象

GUANGXIMOUCAISHICHANGSHIYONGYITAIPE900×1200ESHIPOSUIJIZAISHIYONGGUOCHENGZHONGPINFANCHUXIANTINGJIGUZHANG,TINGJIHOUJIANCHAFAXIANDONGEZHOUCHENGWEIWENDUPIANGAO,DADAO75℃ZUOYOU,(EPOGONGZUOSHIWENSHENGWEI20℃ZUOYOU,SHICHANGHUANJINGWENDUWEI35℃)YIJIBUFENRUNHUAZHICONGDONGELIANGDUANYICHU。

三、故障分析

篮球竞彩app1、ESHIPOSUIJIGONGZUOGONGCHENGZHONGTINGJIGUZHANGSHIYOUFASHENG,YIBANYOUYIXIAJIZHONGYUANYIN:1、PAILIAOKOUDUSAI,ZAOCHENGMANQIANGDULIAO;2、SANJIAOPIDAIGUOSONG,ZAOCHENGPIDAIDAHUA;3、GONGZUOCHANGDIDIANYAGUODI,ZHUJIYUDAODALIAOHOU,WULIPOSUI;4、ZHOUCHENGSUNHUAI。JINGGUOXIANCHANGJIANCHA,PAICHULESHANGSHU1、2、3XIANGHOU,CHUBUPANDINGWEIZHOUCHENGSHAOHUAIDAOZHIJIQIJINGCHANGXINGTINGJI。

2、因石场无维修条件,该机最终拉回厂家进行进一步检查及维修。经拆卸检查发现,动颚轴承已经发黑烧坏,动颚轴承的护架已开裂,动颚内孔有烧痕,测量动颚内孔发现垂直方向公差为+20+18,水平方向公差为+18+4,内孔己经接近椭圆。正常的动颚内孔公差为+8+4,说明轴承在工作时候打转,与动颚内孔接触留下了烧痕,产生了高温并传递到轴承内圈,导致烧坏护架及滚珠,轴承不能正常工作,最终导致停机故障。

3、TINGJIGUZHANGQIAN,ZHENGCHANGGONGZUODIANLIUSHI80-90AZUOYOU,ZAITINGJISHUNJIAN,DIANLIUTURANZENGDADAO200AZUOYOU,DIANLIUZHIYICHANG。

四、故障排除

1、ZHOUCHENGXUANXING

(1)YINGAIDAXINGESHIPOSUIJISHIYONGDEZHOUCHENGYAOSHIYINGGAOSUJIGAOQIANGDUDEGONGZUOYALI,ZAIZHOUCHENGDEXUANXINGSHANGYAODUOZHUYI。GUNDONGZHOUCHENGDEXUANYONG,JIYINGMANZUWAIZAIHEDEYAOQIU,YOUYINGJINLIANGFAHUIZHOUCHENGBENSHENDEFUHENENGLI。JINGXIANGFUHEDAYUZHOUXIANGFUHE、ZHIDIANKUAJUDA、ZHOUDEBIANXINGDADENGYICAIYONGDIAOXINZHOUCHENG,YINCIWOMENXUANZEDIAOXINGUNZIZHOUCHENG。

篮球竞彩app(2)ZAIJINGDUXUANZESHANG,SHOUXIANZHOUCHENGDENEIWAIQUANGONGCHAYIBANWEI±0.05m,YIBANDEJINGDUWEIPUTONGJI,ZHEILIWOMENBAZHOUCHENGDEJINGDUCONGPUTONGJIGAICHENGC3JI,SHIDEZHOUCHENGJINGDUGENGGAO。

篮球竞彩app(3)GUNDONGZHOUCHENGDEYOUXIFENWEIJINGXIANGYOUXIHEZHOUXIANGYOUXI,TAMENFENBIEBIAOSHIYIGETAOQUANGUDINGSHI,LINGYITAOQUANYANJINGXIANGHEZHOUXIANGYOUYIGEJIXIANWEIZHIDAOLINGYIGEJIXIANWEIZHIDEYIDONGLIANG,SHIYANFENXIBIAOMING,SHIZHOUCHENGSHOUMINGZUIDADEGONGZUOYOUXIZHI,SHIYIGEBILINGSHAOXIAODEFUZHI。KAOLVYINPEIHENEIWAIQUANWENDUCHAYIJIFUHEYINSUSUOYINQIDEBIANHUA,WOMENZHENDUIZHOUCHENGXUANZEZUIJIADECHICUNGONGCHAYUJINGXIANGYOUXIGONGCHA。ZAIZHUANGPEIGUOCHENGZHONGZHOUCHENGJINXINGXUANPEI,GENJUDONGENEIKONGYUPIANXINZHOUDEJIAGONGGONGCHA,JINXINGZHOUCHENGDEXUANPEI,SHIGEXIANGGONGCHAPEIHECHUYUYIGEZUIJIADEZHUANGTAI。BENWENZHONGDEZHOUCHENGSUNHUAIZHUYAOSHIYINWEIZHOUCHENGWAIJINGYUDONGENEIKONGZHIJIANGONGCHAPEIHEBULIXIANG,ZAISHOUZHONGFUHEDEQINGKUANGXIAZHOUCHENGWAIQUANZAIDONGENEIDAZHUAN,CHANSHENGLERELIANGBINGKUAISUSHENGWEN,WENDUCHUANDIDAOZHOUCHENGNEIQUANZUIZHONGZAOCHENGGUNZHUSHAOHUAIZUIZHONGTINGJI。YINCIZAIGONGCHAPEIHESHANGYAOXUANZEYIGEZUIJIADEPEIHEZHUANGTAI。

2、ZHUANGPEIJISHIYONGFANGFA。

篮球竞彩app(1)YINZHOUCHENGZAIZHUANGPEIGUOCHENGZHONGXUYAOLIYONGREZHANGLENGSUOYUANLISHIXIANGUOYINGPEIHE,YINCIJIAREGONGYIBIXUYANGEKONGZHI,ZHENDUIBUTONGGUIGE、DAXIAODEZHOUCHENGXUANZEHESHIDEWENDUJINXINGJIARE。ZAIBENWENZHONGDEEPOZHOUCHENGWAIJINGWEIφ650,NEIJINGWEIφ400,SHUYUDAXINGZHOUCHENG,ZAIJIAREGUOCHENGZHONGWANGWANGJIAREBUJUNYUN,ZAOCHENGZHUANGPEIZHILIANGXIAJIANG,YINCIWOMENXUANZEDIAOZHUANZHOUCHENGFANGXIANG180°DUILINGYIMIANZHONGXINJIARE,YIBAOZHENGZHOUCHENGJIAREDEJUNYUN。

(2)ZHUANGPEIGUOCHENGZHONGZHIZUOZHUANMENDETONGCHUILAIQIAOJIZHOUCHENG,YAOQIUTONGSHIDUIZHOUCHENGDEDUIJIAOQIAOJI,BAOZHENGZHOUCHENGPINGHENGDIJINRUPIANXINZHOUZHONG;ZAIPIANXINZHOUJINRUDONGEGUOCHENGZHONG,WOMENYAOQIUYONGTIECHUIJIDADONGE,LIYONGXIANGHUZUOYONGLIJIANGPIANXINZHOUZHUANGRUDONGEZHONG,BUSUNHUAIPIANXINZHOUSHANGDEZHOUCHENG。

(3)YUNYONGHUANGYOUZHUYOUQIJIANGRUNHUAZHIZHURUDONGEZHONG,JIARUZHOUCHENGNEIDERUNHUAZHIWEIQIKONGJIANRONGJIDE50%ZUOYOU,MEI3-6GEYUEGENGHUANYICI,HUANYOUSHIYINGYONGJIEJINGDEQIYOUHUOMEIYOUQINGXIGUNZIZHOUCHENGDEGUNDAO,SHIDEZHOUCHENGRUNHUACHONGFENJUNYUN,ZHOUCHENGZAIZHONGFUHE、GAOWENZUOYONGXIADEDAOHENHAODERUNHUA,YANZHANGZHOUCHENGSHIYONGSHOUMING。

篮球竞彩app(4)POSUIJIGONGZUOQIANYINGZAITUILIBANYUDIAOZHENGZUOJIANZHURUSHILIANGDERUNHUAZHI,KONGZHUANYIDUANSHIJIANHOU,JIANCHAGONGZUODIANLIUJIDIANYASHIFOUZHENGCHANGJIPOSUIJISHIFOUYOUYICHANGXIANGDONGHOUZAISHUSONGSHILIAOJINXINGPOSUIGONGZUO,ZAIJINLIAOKOUCHUZUOHAOHUANCHONGCUOSHI,BIMIANDASHIKUAIZHIJIECHONGJIPOSUIJIKOU,DUICHAOGUOJINLIAOKOUCHICUNDEDASHITOUYAOJINXING2CIBAOPOHOUCAIJIYUJINRULIAOKOU,YANZHANGPOSUIJIDESHIYONGSHOUMING。

3、QITAYINSU

篮球竞彩appYINWEIPOSUIJISHIYOUSANDABUJIAN(JIJIA、DONGE、PIANXINZHOU)ZUCHENG,MEIZHONGBUJIANDEJIAGONGPEIHECHICUNXIXIXIANGGUAN,ZAIJIJIAGONGGUOCHENGZHONG,YAOQIUJINZUIDAKENENGBAOZHENGTUZHIYAOQIUDEGONGCHAFANWEI,ZHEIYANGCAINENGJIANSHAOJIAGONGDEJILEIWUCHA,SHIZHUANGPEIZHILIANGDEDAOGENGHAODITIGAO。

五、结论

JINGGUOSHANGSHUDEXIANGGUANGAIJINCUOSHI,PE900×1200EPODEZHILIANGYOULEHENDADETIGAO,ZHOUCHENGSHAOHUAIDAOZHITINGJIDEXIANXIANGJIANSHAOLE,ZHIYAOZHAOCHUYINGXIANGESHIPOSUIJITINGJIDEZHENZHENGYUANYIN,SHENGCHANJISHIYONGGUOCHENGZHONGJIAYIKONGZHI、DUIZHENGXIAYAO,“TINGJI”XIANXIANGSHIWANQUANKEYIKONGZHIHUOJIANSHAODE。