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典型液压系统分析步骤
液压系统设计是根据液压设备的工作要求，选用适当的基本回路构成的，其原理一般用液压系统图来表示。液压系统图反映了液
压系统所采用的液压元件的类型、电念头规格、液压系统的动作顺序、控制方式等内容。分析一个较复杂的液压系统，大致可以
按以下步骤进行：
（1）了解设备对液压系统的要求。
（2）根据设备对系统的要求，以执行元件为中央将整个系统分解为若干子系统。
（3）根据对执行元件的动作要求。参照电磁铁动作顺序表，逐步分析各子系统的换向回路、调速回路、压力控制回路等。
（4）根据设备各执行元件间的互锁、同步、顺序动作和互不干扰等要求，分析各子系统之间的联系。
（5）归纳总结整个系统的特点，以加深对系统的理解。
液压传动在机械制造、工程机械、运输、船舶、航空、航天等领域有着广泛的应用，因各种设备的工作要求不同，其液压系统的组成、工作原理和特点也不尽相同。本章将通过对几个典型液压系统的先容，认识各种液压元件在液压系统中的作用和各种基本回路的构成，进而把握分析液压系统的方法和步骤，以便为准确使用液压系统，改造设备和技术革新提供必备的基础知识。
本文章来源于：金中液压技术部改编。
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Installed into the hydraulic system pump What are the requirements
Hydraulic pump and electric motor bearing or flange should be used together with a device foundation. Foundation, flange or bearing stiffness are necessary to have contented to avoid oscillation occurs when the hydraulic pump and noise . Hydraulic pump unit
There are the following requirements:
1 , in accordance with the use of a single hydraulic diagram imitation devices.
2, the pump shaft and the electric motor (drive 电子商务anization ) shaft rotation direction of the pump needs necessary direction . c shaft and the electric motor ( Transmission 电子商务anization ) coaxial shafts should be less than 0.1mm , the tilt angle can not
Greater than 1 °. Coupling device , do not hit, to avoid damage to the hydraulic pump rotors and other parts. Device must be accurate, reliable .
3 , fastening hydraulic pumps, electric motor or drive 电子商务anizations to corner screws , bolts should be evenly and force knot securely .
4, hand shift couplings should feel 免费信息fortable changing the hydraulic pump , no obstruction or abnormal appearance, and talent enough piping . 6.2.2 Requirements hydraulic cylinder device
5 , the hydraulic cylinder is necessary to seriously follow the instruction sheet in accordance with the use of a hydraulic diagram devices and knot securely , without any loose.
6 , the hydraulic cylinder piston rod with the femoral artery and the tissue interface , and from the action several times , and to ensure that 电子商务anizations and mobile hydraulic cylinder intermediate rail surface parallelism within 0.1mm . c hydraulic cylinder piston rod
Femoral artery to reach the table moves agility simple, in any department of the whole trip was no catching appearance . After adjusting screws tightened and should knot securely . d device before serious view of hydraulic
Cylinder own installation quality , recognizing outstanding quality hydraulic cylinders mounted after talent Ann Ge on the device.
