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font_w fs14"> <b class="fl"><a href="/">首页</a> > <a href="/news/wjjwx/">挖掘机维ä¿?/a> > 详细内容</b> </div> <div class="insNewsArti clearfix pt10 font_w"> <h1 class="tac fs20">挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™?/h1> <h3 class="tac"><span>来源åQ?script>document.write('<a href="' + window.location.href + '">'+ window.location.href + '</a>');</script></span><span>发布旉™—´åQ?022-10-13</span></h3> <div class="con mt10 fs14"> <p><p style="text-indent:2em;"> <strong><a target="_blank" >挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™?/a></strong><br /> 【立ç‰ÒŽ¾æŒ–维修:¾_¾ã€å°–、诚、快ã€?br /> ¾_¾ï¼š¾_¾ä¿®˜q›å£æŒ–掘机液压系¾lŸå„¿Uç–‘难杂症故障ã€?br /> ž®–:本厂拥有国内ž®–端的液压设备ã€?br /> 诚:诚信可靠åQŒåœ¨è¥¿å—片区赢得良好的口¼„‘ã€?br /> 快:3天快速维修,为客服节¾U¦æ›´å¤šçš„æ—‰™—´ã€?br /> 专修åQšæŒ–掘机无力、憋机、动作慢、行走跑偏、液压æ܇åQŒå‘动机½{‰æŒ–掘机常见故障ã€?br /> 合同½{„¡º¦¾l´ä¿®åQ?br /> 液压æ³üc€æ•´è½¦å¤§ä¿®ä¿è´¨æœŸåQ?个月åQ‰ã€å‘动机保质期(3个月åQ?br /> 提供24ž®æ—¶å…¨å¤©ä¸“业的三包服务ã€?br /> 立特æ?4ž®æ—¶¾l´ä¿®çƒ­çº¿åQ?37-0834-2240 </p> <p style="text-indent:2em;"> <img src="/uploads/image/20221013/20221013101206_5738.jpg" alt="挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™? width="400" height="300" title="挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™? align="" /><br /> 动臂油çŽ×是挖掘机工作装置的重要组成部分,用以完成动臂的升降。工作中ä¸ÞZº†æé«˜å·¥ä½œæ•ˆçŽ‡åQŒä‹É动臂快速上升,ž®Þp¦æ±‚动臂æÑa¾~¸è¿›æ²ÒŽµé‡è¦å¤§ã€‚但下降时因增加了工作装¾|®çš„自重åQŒå¯èƒ½ä¼šé€ æˆå› åŠ¨è‡‚降落速度太快而发生危险,如砸坏工作装¾|®æˆ–铲斗撞坏˜qæ–™è½¦è¾†½{‰äº‹æ•…,所以在动臂油çŽ×大腔回èµ\上装有可调式单向节流阀。这¿Uå•å‘节‹¹é˜€æ—¢å¯ä½¿åŠ¨è‡‚æÑa¾~¸å¤§è…”进油不受ä“Q何阻¼„ï¼Œ˜q˜å¯æ ÒŽ®åŠ¨è‡‚下降速度要求通过调整阀的开度来控制大腔的回沚w€Ÿåº¦ã€?br /> WY32和WY20两种液压挖掘机都装有两个动臂油çŽ×和两个可调式单向节流阀。其原理如图1-13所½Cºã€‚调节单向节‹¹é˜€æ—¶æ—¢è¦æ»¡­‘›_Š¨è‡‚下降速度的要求,又要使两个单向节‹¹é˜€çš„开度尽åQŒé‡æŽ¥è¿‘åQŒå¦åˆ™é€šè¿‡ä¸¤ä¸ªèŠ‚流阀的回沚w‡ž®×ƒ¸ä¸€æ ·äº†ã€‚开口大的æÑa‹¹é‡ž®±å¤§åQŒåœ¨å…¶åŽçš„管路中有可能äñ”生紊‹¹ï¼Œå¢žåŠ äº†åŽ‹åŠ›æŸå¤±ã€‚è¿™¿UåŽ‹åŠ›æŸå¤±å˜æˆçƒ­é‡åŽåQŒå°±å¯ä‹É¾pȝ»Ÿçš„温升加快ã€?br /> 但在实际使用中两个单向节‹¹é˜€çš„调整是件很éºÈƒ¦çš„事情,为此åQŒé€šè¿‡ç†è®ºåˆ†æžå’Œä‹É用调查,军_®šž®†ä¸¤åŠ¨è‡‚æ²¹çŽ×大腔油èµ\中的两个单向节流阀改äؓ一个大通径的单向节‹¹é˜€åQˆè§å›?-14åQ‰ï¼Œòq¶å°†åŠ¨è‡‚分配器做相应改动åQŒç„¶åŽè£…回WY32挖掘æœÞZ¸Šã€?</p> <p style="text-indent:2em;"> <img src="/uploads/image/20221013/20221013101234_5946.jpg" alt="挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™? width="400" height="300" title="挖掘机动臂æÑa¾~¸å•å‘节‹¹é˜€ä¸åŒæ­¥çš„故障与排é™? align="" /><br /> 改进后的单向节流阀调整èµäh¥ž®±æ–¹ä¾¿å¤šäº†ï¼Œè°ƒæ•´æ—¶åªè¦æ»¡­‘›_Š¨è‡‚下降速度要求ž®±å¯ä»¥äº†åQŒå…¶åŽçš„两条½Ž¡é“中的‹¹é‡å¯åŸºæœ¬ä¿è¯ä¸€è‡´ã€‚也ž®±æ˜¯è¯ß_¼Œæ”¹è¿›åŽä¸¤æ¡ç®¡è·¯ä¸­çš„压力损å¤Þp¦æ¯”原来的ž®‘,产生的热量也ž®±å°äº†ã€?br /> 单一单向节流阀和改˜q›åŽçš„动臂分配器装在工地上的WY32挖掘æœÞZ¸Šä½¿ç”¨åŽï¼Œå®‰è£…、调整和¾l´ä¿®éƒ½æ¯”原来的方ä¾Ñ€‚ä‹É用中两动臂æÑa¾~¸çš„压力相等åQŒå—载均匀åQŒå·¥ä½œåŒæ­¥ï¼Œèƒ½æ»¡­‘³ä¸»æœºçš„工作要求åQŒåƈ且每åîC¸»æœºçš„成本可减ž®‘,有一定的¾læµŽæ•ˆç›Šã€?br /> 挖掘机维修,挖掘机维修厂åQŒæŒ–掘机故障¾l´ä¿®åQŒç«‹ç‰ÒŽ¾æŒ–掘机维修厂专业åQï¼24ž®æ—¶¾l´ä¿®çƒ­çº¿åQ?3708342240ã€?</p></p><br /> </div> <div class="newArtiNext 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