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小松挖掘机液电控制维修手册
$49.30
本书主要介绍了小松挖掘机液电控制系统的结构原理及故障维修,包括液压控制、电控制(主要是电脑控制为主)和诊断维修三大部分。具体分为7章:第1、2章为基本部分,分别阐述液电控制的*初发展到今天电脑控制的变化过程,总述液电控制的各种方式及具体到本书这种液电控制的特点;第二部分是该书的3~6章主体部分,重点阐述该机型各个不同时期的液电控制特点,以*的液电控制详解分析,阐述它的功能效果,对其结构、维修特点、故障排除层层解析;第三部分是第7章,主要是解决液电控制产生的故障,如何判断、怎样检查、如何排除及故障代码。液电故障代码基本是独立系统而且全面提供在书中,便于随手查阅和及时解决故障。本书适用于挖掘机维修人员、技术工人查阅和参考。
第1章概论1.1挖掘机液电控制的发展及应用1.2小松挖掘机结构特点及参数1.2.1小松挖掘机液压系统的特点1.2.2小松挖掘机的型号1.2.3PC200.5型液压挖掘机结构特点1.2.4PC200.6液压挖掘机结构特点1.2.5小松挖掘机的性能参数1.3小松液电控制的使用维护1.3.1液压控制系统的维护1.3.2电控系统的维护第2章液电控制系统的原理及特点2.1液电控制系统的种类2.2液电控制系统原理2.2.1中位开、闭式负荷传感流量控制系统(OLSS、CLSS)2.2.2压力切断控制、回转转矩控制和极限负荷控制2.2.3泵调节器电子化的负荷传感功率控制系统2.3液电元件的控制原理2.3.1液压泵控制系统2.3.2控制阀控制系统2.3.3马达、油缸控制系统2.3.4发动机控制系统2.3.5整机控制系统第3章小松液压泵的结构原理与拆装维修3.1液压泵的种类和工作原理3.1.1液压泵的种类3.1.2液压泵的组成与工作原理3.1.3轴向柱塞泵的组成与工作原理3.1.4液压泵的基本性能参数3.2小松液压泵的组成与工作原理3.2.1液压泵的类型3.2.2小松液压泵的型号与工作原理3.2.3小松液压泵的组成与工作过程3.3液压泵的拆装3.3.1液压泵总成拆卸3.3.2液压泵总成安装3.3.3液压泵的分解3.3.4液压泵的组装3.3.5检查零件的配合面3.4液压泵的维修3.4.1修理柱塞泵时需要检修的主要零件及其部位3.4.2排除柱塞泵故障3.4.3柱塞泵的修理3.5液压泵的常见故障与排除第4章控制阀的结构原理与拆装维修4.1控制阀的作用和类型4.2控制阀的结构组成4.2.1主控制阀4.2.2手动操纵阀4.2.3行走操作阀4.3液压控制阀的拆装4.3.1控制阀总成的拆卸4.3.2控制阀总成的分解4.3.3控制阀总成的装配4.4液压控制阀的维修4.4.1维修内容和方法4.4.2压力阀的维修4.4.3流量阀的维修4.4.4方向阀的维修4.4.5叠加阀的维修4.4.6插装阀的维修4.4.7伺服阀的维修4.4.8比例阀的维修第5章液压马达、液压缸的结构原理与拆装维修5.1概述5.2回转马达5.2.1马达的结构原理5.2.2回转马达的拆装5.3行走马达5.3.1行走马达的结构原理5.3.2行走马达及其控制系统5.3.3行走马达的拆装5.4液压马达5.5液压缸5.5.1液压缸的结构组成5.5.2液压缸的拆装5.5.3液压缸的组装5.5.4液压缸的修理第6章液压辅件结构与维修6.1液压油箱和热交换器6.1.1液压油箱的结构特点6.1.2油箱结构6.1.3热交换器6.1.4滤油器6.1.5蓄能器6.1.6油管及管接头6.1.7小松PC200.6挖掘机中心回转接头6.1.8密封装置6.2辅助元件与工作液6.2.1辅助元件的维修6.2.2排除过滤器故障6.2.3排除蓄能器故障6.2.4排除油冷却器的故障6.2.5排除油箱故障6.2.6排除密封漏油故障6.2.7工作液体第7章挖掘机液电控制故障诊断与排除7.1液电系统故障的几种诊断方法7.2小松PC200.8液电控制系统的电脑诊断7.2.1随机电脑的使用7.2.2故障诊断模式的操作7.2.3故障代码表7.3PC200.8液电控制故障诊断表7.4挖掘机性能检测及标准值7.4.1PC200.8型挖掘机相关标准值7.4.2PC200.7型挖掘机标准值7.4.3PC200.7型挖掘机功能测试与调整
当前,随着我国国民经济的快速发展,工程机械行业的技术水平有了较大提高,挖掘机也得到了飞快的发展。挖掘机由原来的全进口到目前的基本国产化,由原来的个别品牌到现在的多品牌、多种类、多型号,挖掘机的性能也由开始的机液化,发展为机、液、电一体化高科技产品。机、液、电一体化技术的应用,对挖掘机的使用、维护与修理提出了更高的要求。目前挖掘机方面的图书已很多,但有关专门介绍挖掘机液电控制的相关知识和资料甚少;在教学和从事维修的人员中,一旦遇到液电控制系统的问题,感到很棘手;从挖掘机实际应用过程中反映出的故障来看,在很大程度上都是液电控制方面的故障,这方面的故障,不论是在新机的保修范围,还是在后期的应用阶段,液电控制的故障占有比例多,况且当今挖掘机液电合一的程度很高,缺一不可,因此有不少人迫切渴望有关挖掘机液电控制方面的书,使维修从业人员专门而深层探究,以便熟练掌握娴熟运用,快速的解决实际故障。由于每个挖掘机品牌都有自己独立研发的液电控制系统,使得我们必须以每个品牌的独立系统为对象加以研究。该书对小松挖掘机的液压控制、电控制(主要是电脑控制为主)和判断维修三大部分进行论述。具体分为7章:第1、2章为基本部分,分别论述液电控制的初发展到今天电脑控制的变化过程,总述液电控制的各种方式及具体到本书这种液电控制的特点;第二部分是该书的第3~6章主体部分,重点论述该机型各个不同时期的液电控制特点,以的液电控制详解分析,阐述它的功能效果,对其结构、维修特点、故障排除层层解析;第三部分是第7章,主要是解决液电控制产生的故障,如何判断、怎样检查、如何排除及故障代码。液电故障代码基本是独立系统而且全面提供在书中,便于随手查阅和及时解决故障。本书由李波主编,李文强、李秋、朱永杰、徐文秀、马志梅等人参与编写并给予大力支持,对此表示衷心的感谢。由于编者水平有限,在编写过程中难免出现不足与纰漏之处,恳请广大读者批评指正。 编者
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