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活塞式输油泵零部件检修
来源:http://hfduoyi.com2017/3/17 19:30:18

活塞式输油零部件检修

  活塞式输油是保证柴油在低压油路内循环,并供应足够数量及一定压力的燃油给喷油泵。活塞式输油泵在我们的日常生产中也较为多见,而往往很多朋友都会比较关心它的零部件检修。

  (1)活塞式输油零件的磨损与影响分析。活塞式输油泵零件的磨损经常发生在顶杆与导管,止回阀与座,活塞与泵套等部位。磨损后使输油泵密封性能变差,输油压力下降,输油量减少。严重磨损的将使发动机只能空转,不能承受负荷,起动困难,溢油孔漏油严重,大量柴油渗入喷油泵凸轮轴室内,加速油泵传动零件的磨损。例如一般柴油机的输油泵,当活塞与泵套磨损间隙达0. 20mm时,在正常压力(49kPa)及正常转速情况下,输油量将减少0.30L/min,使发动机功率下降。

  (2)HUOSAISHISHUYOUZHUYAOLINGJIANDEJIANXIU。

皇冠即时比分  1.SHOUYOUBENGHUOSAIDEXIANGJIAOMIFENGQUANMOSUNGUOSHENHUOSUNHUAI,HUIYINQILOUQI、LOUYOUHUOTINGZHIGONGYOU。YONGSHOUYOUBENGBENGYOUSHI,GANDAOSONGKUANG,MEIYOUCHOULI,YINGGENGHUANXINXIANGJIAOMIFENGQUAN。RUGUOMIFENGQUANJINMOSUN,MEIYOUSUNHUAI,ZAICAILIAOQUEFADETIAOJIANXIA,KEGENJUHUOSAISHANGDECAOGOUKUANDU,YONGYUE0. 10mmHOUDETONGPIAN,JIANCHENGYIQUAN,WEIZAIHUOSAICAOGOUNEI,ZAITAOSHANGJIUXIANGJIAOMIFENGQUAN,ZHUANGFUSHIYONG。HUOSAIMOSUNGUOSHEN,YINGYUYIGENGHUAN。

  2.SHUYOUBENGSHANGYOUCULVQIDE,YINGYONGQIYOUQINGXI,QUCHUWUGOU、ZAZHI,HUIFUGUOLVXINGNENG。RUGUOLOUYOU,YINGJIANCHA,BINGGENGHUANBULIANGDEDIANPIANHUOPOSUNDELVQINGQI。

皇冠即时比分  3.JIANCHASHUYOUBENGHUOSAIDANHUANG、GUNLUNDANHUANGYIJIZHIHUIFADANHUANGDEDANXING,QISHUZHIYINGFUHEYUANCHANGGUIDING。FOUZE,YINGGENGHUANXINJIAN。RUYINYOUWUERKAZHI,KEYONGQIYOUQINGXIHOUZHUANGHAOSHIYONG。

  4.ZHIHUIFAYUZUODEXIULI。

  a.YANMOXIUFU:DANGZHIHUIFAYUZUOMOSUNQINGWEISHI,KESHIFAYUZUOHUXIANGYANMOXIUFU。MOSUNYANZHONGSHI,KEYONGDUANMIANXIANDAOJIANGZUOXIANPING,HUANXINFABINGYUZUOHUCHANGXIANGYANMOPEIHE。

  ZHEIZHONGFANGFAYOUQISHIHEXIUFUSULIAOZHIDEZHIHUIFA,QIGONGZUOMIANMOSUNYANZHONGHUOYOUWAIXIEXIANXIANG,YIZHIBENGBUSHANGLAIYOU,KEHEFAZUOYANMO,HUIFUQIMIFENGXING。DANGHUANXINJIANSHI,YEYINGYANMOJIEHEMIAN。

  b.ZAISHEBEIFANGBIANDEQINGKUANGXIA,KECAIYONGXIANGTAOXIUFU:RUFAZUOXIULIHOUXIAXIAN,SHIFAZUOTUCHUGAODUXIAOYU0. 30mmSHI,HUISHITXINGFADANHUANGDEDANLIJIANRUO,YINGXIANGSHUYOUBENGDEZHENGCHANGGONGZUO,CISHIYINGCAIYONGXIANGTAOFAXIUFU。CAIYONGXIANGTAOFAXIUFUSHI,YONGDUANMIANXIANDAOXIANXIANXUEZHIHUIFAZUOKONG,XIANXUESHENDUYIBANWEI1~ 2mm。YARENGANGTAOSHI,YOUYUEHAOZAIPEIHEBIAOMIANTUYIHUANYANGSHUZHIJIAONIANJIJINGU。YATAOHOURENGYONGDUANMIANXIANDAOJIANGZUOXIANPING,YOUYUEHOUYONGYANMOBANGTUYIYANMOGAO,DUIFAZUOJINXINGYANMO。YANMOHOUDEFAZUOBIAOMIANCUCAODUWEIRa<0.8ym。

皇冠即时比分  5.JIANCHAHUOSAIGUNLUNJIAHEGUNLUN,DANGHUOSAIGUNLUNJIAHEGUNLUNJIGUNLUNXIAOYOUBUZHENGCHANGMOSUNSHI,YINGJISHIXIUFUHUOGENGHUAN。DUIXIUFUDEGUNLUNXIAOHEGUNLUNZHUANGHEZAIYIQI,JIANCHATAMENDEPEIHEJIANXI,DANGYONGSHOUYIGANDAOYOUMINGXIANDESONGKUANGSHI,YINGGENGHUAN,BUNENGJIXUSHIYONG。GUNLUNJIGUNLUNXIAODEBIAOZHUNJIANXIWEI0. 02~0.08mm,JIXIANZHIWEI0.15mm。

  6.DINGGANYUDAOGUANDEXIULI。DINGGANYUDAOGUANPEIHEJIANXICHAOGUO0. 010mmSHI,YUNXUCAIYONGJIADADINGGANZHIJINGYUDAOGUANYANMOXUANPEIDEFANGFAXIUFU,SHIPEIHEJIANXIHUIFUDAO0.002-0.010mm,YIFANGZHILOUYOU。

皇冠即时比分  7.HUOSAIYUBENGTAODEXIULI。HUOSAIYUBENGTAODEPEIHEJIANXICHAOGUO0. 05 mmSHI,YUNXUCAIYONGJIADAHUOSAIZHIJINGYUBENGTAOYANMOXUANPEIDEFANGFAXIUFU,SHIPEIHEJIANXIHUIFUDAO0.002YI0.015mm,YIFANGZHILOUYOUHEGONGYOULIANGDEBUZU。QIFANGFASHIXIANJIANGBENGTAOMOHENXIAOCHU,RANHOUYONGYANMOGAOJINXINGYANMO,ZAIGENJUYANMOHOUDEBENGTAONEIJING,PEIZHIXIANGYINGCHICUNDEHUOSAI。

  RUOHUOSAIMOSUNGUOSHEN,YINGYUYIGENGHUAN,RUYINYOUWUERKAZHI,KEYONGQIYOUQINGXIHOUZHUANGHAOSHIYONG。


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