龙宝娱乐

高强化工程机械设备机液压配件异常磨损分析及预防

18-05-04 10:30

液压配件是威格士柱塞泵配件中重要的零件之一,工作条件恶劣,若内燃机使用、维护不当以及装配液压配件方法不正确,就会造成液压配件异常磨损或早期损坏。本文通过对近年来高强化威格士柱塞泵配件液压配件异常磨损及早期损坏的类型、川崎GM-h07液压泵配件特点及原因的分析,论述延长液压配件使用寿命的措施和方法。

20180103144423_11773

龙宝娱乐1 YEYAPEIJIANYICHANGMOSUNJIZAOQISUNHUAIDETEDIANJIYUANYIN 

1.1 PILAOSUNSHANG

龙宝娱乐1.1.1 TEDIANYEYAPEIJIANSHANGXIAGONGZUOMIANYANYUANZHOUFANGXIANGYOUYANZHONGDEHUAHENQIEMOSUNYANZHONG,YEYAPEIJIANSEZEANDAN;DIYIDAOYEYAPEIJIANYUQIGANGJIECHUMIANCHUMOSUNYANZHONG,DUOSHUQIGANGYEYAPEIJIANDEHUADONGMIANYOUXIXIAODEQIGANGZHOUXIANFANGXIANGSHANGDEHUAHEN;QIHUANNEIYUAN、YOUHUANYIJIYEYAPEIJIANCAOHUIYOUKONGZHOUWEIYOUDALIANGDEYOUNIHEJIAOMO。

1.1.2 原因引起液压配件疲劳性损伤的主要原因是威格士柱塞泵配件磨合期的运转模式及维护保养不当所至,例如:磨合运转期内发动机长时间在高速大负荷状态下工作,高温状态下突然熄火;空气滤清器至进气管间连接软管短路,使灰尘进入汽缸;加注的润滑油牌号不符合规定要求且污染严重;喷油器喷油质量差或选用的燃油质量差;威格士柱塞泵配件长期在不二越PVD-2B-38液压泵配件低温状态下工作;供油提前角不符合要求等。


1.2 DUANLIE

1.2.1 TEDIANDIYIDAOYEYAPEIJIANDUANLIEJIYEYAPEIJIANCAOSUNSHANGJIAOYANZHONG:YEYAPEIJIANGONGZUOMIANJIQIGANGSHANGBUYOUBOWENZHUANGLAHEN;HUOSAIQUNBUJIQIGANGSHANGBUYOURONGZHEMOSUNXIANXIANG;DUANKOUCHANGFASHENGZAIKAIKOULIANGCEDEGAODIANQU。

龙宝娱乐1.2.2 YUANYINZAOCHENGYEYAPEIJIANDUANLIEDEZHUYAOYUANYINSHIFADONGJISHIYONGHUOWEIXIUZHUANGPEIBUDANGSUOZHI。LIRU:WEIGESHIZHUSAIBENGPEIJIANZHANGSHIJIANZAIGUOREZHUANGTAIXIAGONGZUO,ZAOCHENGYEYAPEIJIANKAZHUERYINQIYEYAPEIJIANDUANLIE;JIAZHUDERUNHUAYOUZHANDUGUODA;YEYAPEIJIANXUANPEIBUHELIHUOANZHUANGFANGFABUZHENGQUE,YINQIYEYAPEIJIANYINGLIJIZHONG;HUOSAIYUQIGANGDEPEIHEJIANXIGUOXIAO;WEIGESHIZHUSAIBENGPEIJIANZHANGSHIJIANZAIBAORANGONGKUANGXIAGONGZUODENG。

1524618318276275

1.3 ZHANHUAN

龙宝娱乐1.3.1 TEDIANYEYAPEIJIANYUYEYAPEIJIANCAOCHUYOUDALIANGDEYOUNI、JITANHEJIAOZHIZHUANGCHENJIWU;YEYAPEIJIANHUADONGMIANCHENGXIANCALIANGDEGUANGZEQIEYOUJIAOSHENDEZONGXIANGHUAHEN;YEYAPEIJIANDANXINGJIANRUODENG。1.3.2 YUANYINZAOCHENGZHANHUANDEZHUYAOYUANYINSHIYEYAPEIJIANBEIYOUNIDUIJIWU、JITANZHANJIEYIJIYEYAPEIJIAN、QIGANGBIANXINGSUOZHI。LIRU:YEYAPEIJIAN、QIGANGYANZHONGREBIANXING,YEYAPEIJIANCEXIHEBEIXIGUOXIAO,SHIHUANKAZAIHUANCAONEIBUNENGZHUANDONG;WEIGESHIZHUSAIBENGPEIJIANGUOREHUOZHANGQICHAOFUHEGONGZUO,SHIRUNHUAYOUCHANSHENGJIAOZHI,HUORUNHUAYOUWURANYANZHONG;RUNHUAYOUPINZHICHA;PENYOUQIPENYOUZHILIANGCHAYIJIJINGCHANGBAORAN;QUZHOUXIANGTONGFENGZHUANGZHIGONGZUOBULIANG,YINQIFUYAGUODAHUOQIGANGQIMIXINGCHA,SHIZHIPINGJUNYOUXIAOYALIXIAJIANGERZAOCHENGJIYOUSHANGCUAN;QIGANGTAOXUANPEIBUHELIHUOYAZHUANGFANGFABUDANGERYINQIBIANXINGDENG。

1.4 PIANMO

龙宝娱乐1.4.1 TEDIANYEYAPEIJIANSHANGXIADUANMIANYUHUANCAODEMOSUNJIAOXIAO,DANZHAHUOZAIYUANZHOUMIANSHANGHOUDUMOSUNBUJUNYUN;YEYAPEIJIANHUADONGMIANSHANGYOUYINZHANZHEMOSUNERCHANSHENGDEZONGXIANGHUAHEN;YEYAPEIJIANYUHUOSAIDINGBUYOUCUANQIDEHENJI。

1.4.2 原因造成活塞偏磨的主要原因是活塞在汽缸中的位置不居中所致。例如:新机或大修后的威格士柱塞泵配件在磨合期运转不足;汽缸套因受热不均匀而局A2F250液压泵配件部变形,以及汽缸套装入缸体龙宝娱乐位置不正;连杆弯曲或扭曲;曲轴轴向间隙过大等。

20180504100920_55644

1.5 GONGZUOMIANCASHANG

1.5.1 TEDIANYEYAPEIJIANDANCEHUOZHOUXIANGJIECHUMIANSHANGYOUZONGXIANGGOUCAO;JIECHUMIANCHUXIANJINSHUBOLIHUOZONGXIANGYANZHONGDAMIANJIHUASHANG;GONGZUOMIANCASHANGYUZHANHUANWANGWANGTONGSHICUNZAI。

龙宝娱乐1.5.2 YUANYINZAOCHENGYEYAPEIJIANCASHANGDEZHUYAOYUANYINSHIYEYAPEIJIANYUQIGANGJIANDERUNHUAYOUMOPOHUAISUOZHI。LIRU:HUOSAIYUQIGANGPEIHEJIANXIGUOXIAO;ZHUANGPEIYEYAPEIJIANFANGFABUDANGHUOZHUANGPEISHISUIYIYASUOHUOSHENZHANGHUANKOUERYINQIBIANXING;ZHUANGPEIQIGANGTAOHUOJINDINGQIGANGGAIDEFANGFABUZHENGQUE,YINQIGANGTAOBIANXING;WEIGESHIZHUSAIBENGPEIJIANZHANGQIZAIGAOWEN、DAFUHEGONGKUANGXIAYUNZHUAN,YINQIRUNHUAYOUMOPOHUAI;RUNHUAYOUBUZUHUOWURANYANZHONGDENG。