作者 |
姚林晓 |
丛书名 |
出版社 |
电子工业出版社 |
ISBN |
9787121375101 |
简要 |
简介 |
内容简介 本书除了介绍液压与气压传动的基本原理、基本概念,还介绍机床、工程机械等多个行业设备中液压系统常用的液压元件、典型液压系统等。全书共10 章,第1~2 章为基础知识,包括液压与气压传动的基本原理和基本概念,以及液压流体力学基础;第3~6 章介绍液压传动常用的液压元件、液压油和液压系统辅助元件;第7~8 章介绍液压基本回路和典型液压回路;第9 章介绍液压系统设计与计算,通过一个设计实例阐明一般液压系统的设计原则、方法和步骤;第10 章介绍气压传动,包括常用的气压传动元件(简称气动元件)、气压传动基本回路(简称气动基本回路)和气压传动系统(简称气动系统)实例。 |
目录 |
第1 章 绪论 ·················································································································.1 1.1 液压与气压传动基本原理、组成和图形符号 ·······························································.2 1.1.1 液压与气压传动基本原理 ·············································································.2 1.1.2 液压与气压传动系统的组成 ··········································································.4 1.1.3 液压传动图形符号 ······················································································.5 1.2 液压与气压传动的优缺点 ·······················································································.6 1.2.1 液压与气压传动的优点 ················································································.6 1.2.2 液压与气压传动的缺点 ················································································.6 1.3 液压与气压传动的应用与发展 ·················································································.7 1.3.1 液压与气压传动的应用 ················································································.7 1.3.2 液压与气压传动技术的发展 ··········································································.8 1.4 本书内容安排 ······································································································.8 本章小结 ···················································································································.9 思考与练习 ················································································································.9 第2 章 液压流体力学 ·································································································.10 2.1 液体的主要物理性质 ···························································································.10 2.1.1 密度 ······································································································.10 2.1.2 压缩性和膨胀性 ·······················································································.11 2.1.3 黏性 ······································································································.11 2.2 液体静力学 ·······································································································.13 2.2.1 液体所受的作用力 ····················································································.13 2.2.2 静止液体微分方程的推导 ···········································································.14 2.2.3 静止液体微分方程的应用 ···········································································.15 2.2.4 压力的表示方法及单位 ··············································································.17 2.3 流动液体的力学基本规律 ·····················································································.18 2.3.1 经典流体力学研究方法介绍 ········································································.18 2.3.2 流动液体力学的基本概念 ···········································································.19 2.3.3 流动液体的连续性方程 ··············································································.20 2.3.4 理想液体流动的微分方程 ···········································································.20 2.3.5 伯努利方程 ·····························································································.21 2.3.6 动量方程 ································································································.22 2.4 液体在流动中的能量损失 ·····················································································.24 2.4.1 流态实验和雷诺数 ····················································································.24 2.4.2 液体圆管流动中的沿程压力损失 ··································································.26 2.4.3 液体流动中的局部压力损失 ········································································.29 2.4.4 管道系统中的总压力损失和压力效率 ····························································.30 2.5 液体在小孔和缝隙中的流动 ··················································································.32 2.5.1 液体在小孔中的流动 ·················································································.32 2.5.2 液体在缝隙中的流动 ·················································································.34 2.6 液压卡紧问题 ····················································· |