油壓電磁方向安全閥中國臺(tái)灣DOFLUID東峰減壓閥
SDFA-02-2B11B-R220 SDFB-02-2B11B-R220 SDFB-02-2B12B-R220
DFB-02-2B2-D24-35C DFB-02-2D8-D24-35C DFB-02-3C2-D24-35C
DFB-02-3C9-D24-35C DFB-02-3C4-D24-35C DFB-02-3C3-D24-35C
DFB-02-3C5-D24-35C DFB-02-2D2-D24-35C DFB-02-2B3-D24-35C
DFB-02-2D3-D24-35C
修,對磨損超限的零部件進(jìn)行修復(fù)更換。
但若不是工作時(shí)間很長的挖掘機(jī)(excavator)突然變慢,就需要檢查以下幾方面,先查電路保險(xiǎn)絲是否斷路或短路,再查先導(dǎo)壓力是否正常,再看看伺服控制閥-伺服活塞是否卡死以及分配器合流是否故障(fault)等,最后將液壓泵拆卸進(jìn)行數(shù)據(jù)測量,確認(rèn)挖機(jī)問題所在。
SDFA-02-2B2B-R220 SDFA-02-2B2L-R220 SDFA-02-3C60-R220
SDFA-02-2B3L-R220 SDFA-02-2B3B-R220 SDFA-02-2B12B-R22
SDFA-02-3C10-R220 SDFA-02-2B5B-R220 SDFA-02-3C11-R220
SDFB-02-2B2B-R220 SDFB-02-2B3B-R220 SDFB-02-2B2L-R220
SDFB-02-3C60-R220 SDFB-02-2B3L-R220 SDFB-02-3C10-R220
SDFB-02-2B5B-R220 SDFB-02-3C11-R220
挖掘機(jī)無力。
挖掘無力是挖掘機(jī)典型故障(fault)之一,對于挖掘無力可分為兩種情況:一種為挖掘無力,發(fā)動(dòng)機(jī)不憋車,感覺負(fù)荷很輕,第二種為挖掘無力,當(dāng)動(dòng)臂或斗桿伸到底時(shí),發(fā)動(dòng)機(jī)嚴(yán)重憋車,甚至熄火。
①挖掘無力但發(fā)動(dòng)機(jī)不憋車,挖掘力的大小由主泵輸出壓力決定,發(fā)動(dòng)機(jī)是否憋車取決于油泵吸收轉(zhuǎn)矩與發(fā)動(dòng)機(jī)
油壓電磁方向安全閥中國臺(tái)灣DOFLUID東峰減壓閥