摘要 ········································ I Abstract ······································II

第一章 引言 ···································· 5

1.1压缩机设计的意义 ······························ 6

1.2活塞压缩机的工作原理 ···························· 6

1.3活塞压缩机的分类 ······························ 7

1.4压缩机的发展前景 ······························ 7

1.5压缩机设计说明 ······························· 8

第二章 总体设计 ·································· 9

2.1设计依据及参数 ······························· 9

2.2总体设计原则 ································ 9

2.3结构方案的选择 ······························· 9

2.3.1压缩机结构形式的选择 ·························10

2.3.2运动机构的结构及选择 ·························10

2.3.3级数选择和各级压力比的分配 ······················11

2.3.4转速和行程的确定 ···························12

第三章 热力计算 ··································14

3.1确定各级的容积效率 ·····························15

3.1.1确定各级的容积系数 ··························15

3.1.2选取压力系数 ·····························15

3.1.3选取温度系数 ·····························15

3.1.4 泄漏系数 ·······························16

3.1.5确定容积效率 ·····························16

3.2确定析水系数 ································16

3.3 确定各级行程容积 ······························16

3.4汽缸直径的确定 ·······························16

3.5实际行程容积 ································16

3.6新的的容积系数及新的相对余隙 ························17

3.8确定排气温度 ································18

3.9计算轴功率并选配电机 ····························18

第四章 动力计算 ··································18

4.1压缩机中的作用力 ······························19

4.2曲柄连杆机构的运动关系和惯性力 ·······················18

4.3往复惯性力 往复摩擦力 旋转摩擦力的计算 ···················20

第五章 汽缸部分的设计 ·······························22

5.1气缸 ····································22

5.1.1结构形式的确定 ····························23

5.1.2气缸主要尺寸的计算 ··························23

5.1.3气缸材料 ·······························23