qicheqizhongjiqulizhuangzhiyouquliqihechilunbengdengzucheng。yibancaiyongyasuokongqituidongbochashichilunniehe,shuchudongli,dangdakaizhuangzaijiashishineidequliqikaiguanhou,rufaxianyeyabengqulidechuandongzhoubuzhuandong,bingfachuyichangxiangsheng,qiguzhangyuanyinyibanwei:
①氣壓不足;
②氣路管堵塞;
③電磁閥發生故障。
檢查方法:
檢查方法首先觀察氣壓表上的指數,若氣壓低於工作壓力時,則要加大油門提高氣壓;ruguoqiyazhengchang,jiudexunzhaodianciqifaqianhouqiguanshifouyujisai,guandaoshifouyoupolielouqi,zaochengquliqiqigangqiliangbuzu。jianzhadianciqifashifouanquankekao,ruoweipaichuguzhang,yingchaixiaquliqiqigang,quchuhuosaigan,genghuanhuosaihuoO型密封圈,並清除缸筒內壁汙物。
當起重作業完畢後,關閉取力開關,取力器傳動軸仍繼續轉動使液壓泵工作,一般有下列原因:
①壓住挨叉的螺母鬆落;
②活塞杆上的螺絲鬆脫;
③取力器活塞杆上的彈簧和性能減弱或損壞。
排除方法:
paichufangfashouxianshijianzhayazhubochadeluomushifoutuoluo,ruguoluomutuoluo,jiubaquliqiqigangzuochaixia,huanshangxinsuopian,jinguluomu。ruobochawanhaodejinguzaihuosaiganshang,zejiangquliqiqiganghougaichaixia,zhakanhuosaiganshangdeluosishifousongtuo。ruoluosisongtuo,yingzhongxinjingu,chuanshangkaikouxiao。yishangliangxiangdouwanhaowusunhuai,yongshoutuihuosaigan,ruganjiaoyoukongxingcheng、證明已損壞,必須要拆下缸座,更換新彈簧。
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