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当前位置:网站意甲下注 > 选购指南 > 新手必备:小松挖掘机加长臂使用常见故障分析

新手必备:小松挖掘机加长臂使用常见故障分析

文章来源:jsj138.com

发布时间: 2019-12-12 11:15:32

XIAOSONGWAJUEJIJIAZHANGBEIYIBANSHIFENWEIERDUANSHI、SANDUANSHI、SIDUANSHI,BUTONGDEDUANSHIYOUZHEBUTONGDESHIYONGFANWEI,DANSHIBUGUANSHIZENMEDUANSHIDE,ZAIZHANGSHIJIANDESHIYONGZHONG,YENANMIANHUICHUXIANYIXIEGUZHANG,YIDANSHEBEICHUXIANLEGUZHANG,JIUHUIYINGXIANGQISHIYONG,WEILEGUIBIZHEIXIEGUZHANG,JIEXIALAI,JIUWEIDAJIAXIANGXIDEJIESHAOYIXIAGUANYUXIAOSONGWAJUEJIJIAZHANGBEISHIYONGSHICHANGJIANGUZHANG。

 

据挖机老板反应在更换完控制阀总成的密封后即出现此故障,测后泵收铲斗时的压力为1.5Mpa


意甲下注 XIAOSONGWAJUEJIJIAZHANGBEISHIYONGSHICHANGJIANGUZHANGFENXI:

YI、WAJIYOUXINGZOUHECHANDOUWUDONGZUO,DONGBEIHEDOUGANDONGZUOMAN

意甲下注 JUWAJILAOBANFANYINGZAIGENGHUANWANKONGZHIFAZONGCHENGDEMIFENGHOUJICHUXIANCIGUZHANG,CEHOUBENGSHOUCHANDOUSHIDEYALIWEI1.5Mpa,YUANXIAOYUZHENGCHANGZHIDE28.5Mpa。ZAIZHUNBEIJIAOHUANLIANGLUDEANQUANFASHI,FAXIANGUZHANGYICEDEANQUANFAWEIZHISHANGWEIYIDUTOUERYUANDUTOUDEWEIZHIQUEANZHUANGLEANQUANFA。JIAOHUANZHENGQUEWEIZHIHOUJIQIZHENGCHANG,YUANLAIWEIXIURENYUANGENGHUANWANKONGZHIFAZONGCHENGDEMIFENGHOU,JIANGGAIZUFADEANQUANFAYUDUTOUWEIZHIZHUANGFAN。

意甲下注 ER、GAIZHUANGCHENGXIAOSONGWAJUEJIJIAZHANGBEIHOU,QUANCHEMAN、WULI

JIZHUFANYINGGANGGENGHUANLEXIANDAOBENGYOUFENG,DANGENGHUANHOUGONGZUOLESHIJIFENZHONGYIZHIHENZHENGCHANG,RANHOUTURANJIUBUXINGLE,GENJUCIQINGKUANG,SHOUXIANHUAIYIXIANDAOYALIBUZU,JINGCESHIXIANDAOYALIJIDI,JUEDINGFENJIEXIANDAOBENG。SHOUXIANFAXIANXIANDAOBENGSHURUZHOUDEGUJIAYOUFENGYIJICHU,CIYUANYINYOULIANGZHONG:YISHIANZHUANGWENTI,ERSHIGAICHUYALIGUOGAO,JIXUFENJIEFAXIANXIANDAOBENGDEYOUFENGFANGXIANGZHUANGFAN。CICHUCAISHIGUZHANGDEZHENZHENGYUANYIN,DANGGANGKAISHIGONGZUOSHI,GUJIAYOUFENGMEIYOUWANQUANSUNHUAI,RENGKEZHENGCHANGGONGZUO,YINGUJIAYOUFENGZHINENGCHENGSHOUDIYA,GUYOUFENGHENKUAISUNHUAI,DAOZHIXIANDAOYALIYOUCONGSUNHUAICHUXIECHU。

三、改装成小松挖掘机加长臂后,发动机起动后斗杆油缸的活塞杆自动缩回,其它动作正常,经检查,一其余动作正常;二提起动臂后斗杆下沉较快。交换斗杆先导管后故障依旧,说明故障在控制阀或斗杆油缸,本着先易后难的原则。拆检控制阀杆,发现阀杆卡在活塞杆缩回位置,用橡胶螂头和铜棒震动后取出阀杆。可见有闪亮铁末,联系斗杆下沉较快,判断故障根源为小松挖掘机加长臂斗杆缸筒拉伤,拆检斗杆油缸后证实。【具体可参考《挖掘机加长臂的相关知识介绍都在这里了!》的相关内容】

 

ZHEIPIANWENZHANGZHUYAOSHIJIDAJIAJIANGSHULEGUANYUXIAOSONGWAJUEJIJIAZHANGBEISHIYONGSHICHANGJIANGUZHANGDEFENXI,XIWANGZHEIJIENEIRONGKEYIBANGZHUDAJIAJIEJUEYIXIEWENTI,RUGUODAJIAYOUQITADEWENTIXUYAOLEJIE,NEIMEDAJIAKEYIZAIXIANLIANXIWOMENDEKEFU,WOMENDEKEFUHUIJISHIDEWEININTIGONGBANGZHU,QIDAIDAJIADEGUANZHU。

 

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