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class="fr insRight"> <div class="crumb font_w fs14"> <b class="fl"><a href="/">首页</a> > <a href="/about/about7.html">注意事项</a></b> </div> <div class="insNewsArti clearfix pt10 font_w"> <div class="con mt10 fs14"> <p><a target="_blank" ></a>随着¿U‘技的进步,çŽîC»£æŒ–掘æœÞZ¸€èˆ¬éƒ½é‡‡ç”¨äº†æœºâ€”电—液一体化控制模式åQŒæˆ‘们在排除一些故障时åQŒè§£å†³çš„多是发动机—液压æ܇—分配阀—外部负èïLš„匚w…é—®é¢˜ã€‚一般在挖掘æœÞZ½œä¸šä¸­åQŒè¿™å‡ æ–¹é¢ä¸èƒ½åŒ¹é…ï¼Œ¾lå¸¸ä¼šè¡¨çŽîCؓåQšå‘动机转速下降,工作速度变慢åQŒæŒ–掘无力等ã€?br /> 1.发动æœø™{速下降:<br /> 首先要测试发动机本èín输出功率åQŒå¦‚果发动机输出功率大大低于额定功率åQŒå¦‚是在施工现场判断要从½Ž€å•çš„æ–ÒŽ³•å…¥æ‰‹åQŒé¦–先看燃æÑa滤芯是否堵塞åQŒç‡ƒæ²¹èµ\中是否有漏气的地方,燃æÑa泵中的柱塞,å–ähÑaå¤ß_¼Œå‡ºæÑa阀是否严重¼‚¨æŸåQŒç©ºæ°”æ×o芯进气是否通畅åQŒå¸¦æ¶¡è½®å¢žåŽ‹å™¨çš„发动机,涡轮增压器是否损坏,发动机是否快速高温,机æÑa¾_˜åº¦ä¸‹é™åQŒé€ æˆ¾~¸å£ž®é—­ä¸ä¸¥åŽ‹ç¾ƒæ¯”下降,是否¾~¸å¥—¾l„äšg¼‚¨æŸé€ æˆ¾~¸å†…严重串气åQŒå‘动机气门ž®é—­ä¸ä¸¥½{‰ï¼Œ˜q™äº›éƒ½æ˜¯ä¸¥é‡å½±å“å‘动机功率的因素ã€?如果排除了发动机本èín输出动力不èƒö外,ž®Þp¦è€ƒè™‘液压æ³ëŠš„‹¹é‡å’Œå‘动机的输出功率的匚w…é—®é¢˜äº†ã€?br /> 液压挖掘机在施工作业中,æ ÒŽ®ä½œä¸šçš„负载要求,速度与负è½?‹¹é‡ä¸ŽåŽ‹åŠ?是成反比的,ž®±æ˜¯æ³ëŠš„输出压力和流量的乘积是一个常敎ͼŒæ³ëŠš„输出功率恒定或近似恒å®?如果泉|Ž§åˆ¶ç³»¾lŸå‡ºçŽîCº†æ•…éšœåQŒå°±ä¸èƒ½å¾ˆå¥½åœ°å®žçŽ°å‘动机—æ܇—阀—负荷在不同工况区域优化匚w…çŠ¶æ€ï¼Œä»Žè€Œä‹É挖掘æœÞZ¸èƒ½æ­£å¸æ€½œä¸šï¼Œæ‰€ä»¥æˆ‘们必™åÀLŽŒæ¡å„¿UåŽ‚家生产的挖机控制¾pȝ»Ÿã€‚如大宇的EPOS¾pȝ»ŸåQŒåŠ è—¤çš„APC¾pȝ»ŸåQŒå°æ¾CLSS¾pȝ»Ÿ½{?在处理故障时åQŒåŒæ äh˜¯æœ‰ç®€åˆ°ç¹é€ä¸€åˆ†æž¼‹®è®¤ã€‚结合现代挖机是机—电—液一体化产品åQŒæŠ€æœ¯å«é‡é«˜åQŒæ‰€ä»¥åœ¨å¤„理故障æ—Óž¼Œä¸€èˆ¬å…ˆä»Žç”µå™¨ç³»¾lŸå…¥æ‰‹ï¼Œå†æ£€æŸ¥æ¶²åŽ‹ç³»¾lŸï¼Œ‹‚€æŸ¥æœºæ¢îC¼ åŠ¨ç³»¾lŸã€‚检查液压系¾lŸæ—¶åQŒä»Žè¾…助油èµ\—控制æÑa路—主油èµ\—控制元仉™€æ­¥‹‚€æŸ¥ã€?br /> 2.工作速度变慢åQ?br /> 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一般挖掘机常见故障都表现在以上˜q™äº›æ–šw¢ã€‚随着挖掘æœÞZ‹É用增多,在施工作业中¾lå¸¸å‡ºçŽ°çš„一些普遍的故障åQŒä¸€èˆ¬ä‹É用挖æœÞZ¸€ä¸¤å¹´ä»¥ä¸Šçš„用户都能够了解一äº?如:挖机行走跑偏åQŒç”¨æˆ·å°±å¯ä»¥é©¬ä¸Šæ„è¯†åˆŽÍ¼šè¡Œèµ°åˆ†é…æ²¹å°(又称中心回è{接头油封)损坏;两个液压泉|µé‡å¤§ž®ä¸ä¸€;一边行走马达有问题。液压çŽ×快速下泄:马上可意识到安全溢流阀ž®é—­ä¸ä¸¥åQŒæˆ–¾~¸æÑaž®ä¸¥é‡æŸåç­‰½{‰ã€‚不˜q‡è¿™äº›æ™®éçš„共性的表面故障åQŒå¯¹ä¸€äº›ä¸“业的修理厂来说是˜qœè¿œä¸èƒ½é€‚应¾l´ä¿®å¸‚场的ã€?br /></p> </div> </div> </div> </div> </div> <link type="text/css" href="lib/style.css" rel="stylesheet" /> <div class="foot tac"> <div class="ftNav fs14"> <div class="wfixed"> <a href="/" rel="nofollow">首页</a>| <a href="/about/" rel="nofollow">走进我们</a>| <a href="/news/" rel="nofollow">新闻资讯</a>| <a href="/supply/" rel="nofollow">产品中心</a>| <a href="/contact/" rel="nofollow">联系我们</a>| <a >手机ç«?/a>| <a rel="nofollow" href="#"><img src="/template/NEST70006/images/fanhui.jpg" border="0" /></a> </div> </div> <div class="bottom wfixed clearfix"> <div class="di"> <div class="di_left"> <ul> <li>注意事项</li> <li><a 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