除上述三部分以外的其它元件，包括压力表、滤油器、蓄能装置、冷却器、管件各种管接头(扩口式、焊接式、卡套式）、高压球阀、快换接头、软管总成、测压接头、管夹、加热器、油管、压力计、流量计、密封装置及油箱等，它们同样十分重要。
工作介质
工作介质是指各类液压传动中的液压油或乳化液，它经过油泵和液动机实现能量转换。
5优缺点
编辑
0510515314 AZPF-10-011LCP20MSxxx12-S0007
0510515321 AZPF-10-011LCP20MSxxx21-S0007
0510525312 AZPF-10-011LFB20MB
0510525323 AZPF-10-011LFO30MB
0510525331 AZPF-10-011LFO30PB
0510525322 AZPF-10-011LHO20MSxxx25-S0002
0510525313 AZPF-10-011LHO30KB
0510525315 AZPF-10-011LRR12MB
0510525009 AZPF-10-011RCB20MB
0510515020 AZPF-10-011RCP20MD008xx
0510525010 AZPF-10-011RFB20MB
0510515011 AZPF-10-011RFN20MB
0510525024 AZPF-10-011RFO30MB
0510525039 AZPF-10-011RHO01MB
0510525021 AZPF-10-011RHO20KSxxx15-S0002
0510525011 AZPF-10-011RHO30MB
0510525025 AZPF-10-011RNL20KB
0510525015 AZPF-10-011RQR12MB
0510525032 AZPF-10-011RQR12MB
0510525033 AZPF-10-011RQR20MB
0510525014 AZPF-10-011RRR12MB
0510525019 AZPF-10-011RRR20MB
0510545003 AZPF-10-011RSG20MB
0510525319 AZPF-10-014LCB20MB
0510515328 AZPF-10-014LCP20MB-S0288
0510525328 AZPF-10-014LFB20MB
0510525314 AZPF-10-014LHO30MB
0510525325 AZPF-10-014LRR20MB
0510545302 AZPF-10-014LSG20MB
0510525018 AZPF-10-014RCB20MB
0510525030 AZPF-10-014RFB20MB
0510525034 AZPF-10-014RFO30PB
0510525040 AZPF-10-014RHO01MB
0510525028 AZPF-10-014RHO20KSxxx19-S0002
0510525012 AZPF-10-014RHO30MB
0510525031 AZPF-10-014RQR12MB
0510525041 AZPF-10-014RRR12MB
0510525020 AZPF-10-014RRR20MB
0510545002 AZPF-10-014RSG20MB
0510625315 AZPF-11-016LCB20MB
0510290166 AZPF-10-016LCP12PB
0510615329 AZPF-10-016LCP20MB-S0288
0510615324 AZPF-10-016LCP20MExxx09-S0007
0510615322 AZPF-10-016LCP20MSxxx12-S0007
0510615344 AZPF-10-016LCP20MSxxx21-S0007
0510625317 AZPF-10-016LFB20MB
0510625327 AZPF-10-016LFO30PB
0510625318 AZPF-10-016LHO30KB
0510625329 AZPF-10-016LRR20MB
0510625022 AZPF-11-016RCB20MB
0510615015 AZPF-10-016RCP20MB-S0288
0510615030 AZPF-10-016RCP20MD008xx
0510625015 AZPF-10-016RFB20MB
0510625039 AZPF-10-016RFO30PB
0510625047 AZPF-10-016RHO01MB
0510625016 AZPF-10-016RHO30MB
0510625053 AZPF-10-016RNL20KSxxx15
0510625021 AZPF-10-016RQR12MB
0510625042 AZPF-10-016RQR20MB
0510625020 AZPF-10-016RRR12MB
0510625028 AZPF-10-016RRR20MB
0510625031 AZPF-10-016RRR20MSxxx21
0510645005 AZPF-10-016RSG20MB
0510625314 AZPF-10-019LCB20MB
0510625316 AZPF-10-019LFB20MB
0510625332 AZPF-10-019LFO30PB-S0012
0510625319 AZPF-10-019LHO30KB
0510625368 AZPF-10-019LNL20KB
0510625346 AZPF-10-019LRR12MB
0510625013 AZPF-11-019RCB20MB
0510615031 AZPF-10-019RCP20MD008xx
0510625014 AZPF-10-019RFB20MB
0510615009 AZPF-10-019RFN20MB
0510625049 AZPF-10-019RFO30PB
0510625052 AZPF-10-019RHO01MB
0510625036 AZPF-10-019RHO20KExxx19-S0002
0510625017 AZPF-10-019RHO30MB
0510625032 AZPF-10-019RNL20KB
优点
（1）体积小、重量轻，例如同功率液压马达的重量只有电动机的10%～20%。因此惯性力较小，当突然
液压传动
液压传动
过载或停车时，不会发生大的冲击；
（2）能在给定范围内平稳的自动调节牵引速度，并可实现无级调速，且调速范围最大可达1：2000(一般为1：100）。
（3）换向容易，在不改变电机旋转方向的情况下，可以较方便地实现工作机构旋转和直线往复运动的转换；
（4）液压泵和液压马达之间用油管连接，在空0811102172力士乐溢流阀DB20Z-5X/...XM
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