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  </span><br /> <img src="http://m.ltswjjwx.com/upload/202107/13/202107131026494022.jpg" alt="" /><br /> <span>    1ã€æŒ–掘机故障‹‚€æŸ¥ï¼š</span><br /> <span>    1ã€å·¦è¡Œèµ°é©¬è¾¾çš„æÑa½Ž¡åœ¨è¡Œèµ°æ—¶ä¹Ÿæœ‰å¾ˆå¤§çš„æŒ¯åЍåQŒæ²¡æœ‰è¿åŠ¨æ—¶¾pÈ»Ÿ½Ž¡èµ\振动åQ?/span><br /> <span>    2ã€ç³»¾lŸå…¶ä»–动作正常,沚w‡ã€æÑaé‡ç¬¦åˆè¦æ±‚ï¼›</span><br /> <span>    3.一个月å‰ï¼Œæ•´èžR修好了ã€?/span><br /> <p>     æ›´æ¢æ¶²åŽ‹æ³µè¿›å‡ºå£å•å‘阀åQ›å›žè½¬é©¬è¾¾æ›²¾U¿ç£¨æŸå¤§åQ›æ¶²åŽ‹æÜ‡çš„æ­£å¸¸æ¹¿åº¦ï¼›ä¸Õd›žè·¯åŽ‹åŠ›å’Œå‰ç»„阀压力正常åQŒä½†åŽç»„阀回èµ\压力波动较大åQ›æ¶²åŽ‹æÜ‡ä¸èƒ½æŽ’出气æˆöåQŒä½†æŸ±å¡žæŽ’气时有æ²ÒŽµæˆ–å–·å‡ºâ€”â€”å¼‚å¸¸ã€?</p> <p> <img src="http://m.ltswjjwx.com/upload/202107/13/202107131027228397.jpg" alt="" /> </p> <span>    故障诊断与排除:</span><br /> <span>    拆下液压泵进油室外壳åQŒæ£€æŸ¥è¿›æ²¹å•å‘阀。排气时异常的柱塞分é…室入壿¶²åŽ‹é˜€é˜€æ†åœ¨èžºæ¯å¤„断裂。更æ¢åŽæ•…障排除ã€?/span><br /> <span>    液压马达喇å­</span><br /> <span>    2ã€æ•…障分æžï¼š</span><br /> <span>    1ã€æ‰€æœ‰æ•…障动作å‡ç”±å޾l„阀控制åQŒäØ“åŒä¸€ä¸Õd›žè·¯ã€‚因此,故障å¯èƒ½å‡ºåœ¨å…±åŒéƒ¨äšg或回路有½Iºæ°”åQŒå³æ¶²åŽ‹æ³üc€ä¸»å®‰å…¨é˜€æˆ–回路有½Iºæ°”ã€?/span><br /> <span>    åŽè€…å¯èƒ½æŽ’除(¾pÈ»Ÿä¸æŽ’气)åQŒä½†å‘çŽ°å•æŸ±å¡žæÜ‡æ²¹å¼‚常,泉|¸©æ­£å¸¸åQŒè¯´æ˜Žå‡ºæ²¹å•å‘阀没有故障åQˆåœ¨åŽè€…中分æžåQ‰æ•…障)åQŒæ•…判断å¯èƒ½æ˜¯è¿›æ²šw˜€æ•…éšœåQŒå¤„ç†å޾pÈ»Ÿæ­£å¸¸åQŒè¯´æ˜Žä¸»å®‰å…¨é˜€æ²¡æœ‰æ•…éšœã€?/span><br /> <p>     2ã€æ¶²åŽ‹æÜ‡æ­£å¸¸å·¥ä½œæ—Óž¼Œ˜q›æÑaæ³ëŠš„液压阀动作频率较高åQŒæ¯åˆ†é’Ÿ1500ï½?800‹Æ¡ï¼Œä½†å¼¹½§åˆšåº¦å¾ˆž®ã€‚阀æ†ç›´å¾„䨓6mmåQŒèžº¾U¹äØ“M6。因此,有å¯èƒ½å‘生这¿U断裂的是装é…螺æ¯ã€‚用力过猛时。螺æ¯çš„æ‹§ç´§æ‰­çŸ©åº”䨓20N·må·¦å³ã€?</p> <p> <img src="http://m.ltswjjwx.com/upload/202107/13/202107131027030585.jpg" alt="" /> </p></p><br /> </div> <div class="newArtiNext mt10"><div>上一æ?<a href="365.html">应该‹‚€æŸ¥æŒ–掘机的哪些部分è{å‘缓慢和ä¸çµæ•?</a></div> <div>下一æ?<a href="363.html">æ¹–å—çŽîC»£æŒ–掘机维修å‘动机故障原因分æž</a></div> </div> <div class="tag">相关标签åQ?a href="/download/">挖掘机维ä¿?/a>,<a href="/news/wjjwx">挖掘æœÞZ¿®ç?/a>,<a href="/about/about5.html">挖掘机维修厂</a></div> 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