摘要
本文主要以输送带为研究对象，设计了一种对输送带进行冲击性能试验的试验系统。通过大量实验来确定各参数对输送带抗冲击性能的影响。一方面为进一步优化输送带结构，改善输送带性能提供理论的依据；另一方面对输送带的质量检验和使用选择给出了事实依据。输送带的抗冲击性能是一项重要的功能指标，也是代表其工艺质量的首要指标。本测试系统设计合理、数据采集准确可靠，完全实现自动化控制，具有完善的数据分析和显示系统。文中主要介绍了该实验系统的液压系统及工作原理。http://www.16sheji8.cn
关键词：
输送带；抗冲击；液压；实验系统。
目录
1绪论···················1
2抗冲击输送带的结构及加工工艺······· 3
2.1 抗冲击钢绳芯输送带的结构········ 3
2.2 抗冲击输送带的组成··········· 4
2.2.1 抗冲击带骨架材料及强度的确定标准····· 4
2.2.2 抗冲击带横向增强层············ 4
2.2.3 抗冲击带基体的组成············ 5
2.3 抗冲击带的加工工艺············· 6
3抗冲击带力学性能的理论分析··········· 7
3.1抗冲击带的性能指标··············7
3.2冲击过程的理论分析·············· 7
4实验系统组成及原理···············11
4.1 实验系统组成················· 11
4.2实验台工作原理················ 11
4.3机械实验台·················· 12
4.4数据采集处理系统··············· 13
4.5控制系统··················· 13
4.5.1 实验台手动控制系统·············13
4.5.2 实验台自动控制系统·············13
4.5.3 工作过程··················14
5实验台液压元件的选择·············· 15
5.1 液压缸、泵、马达的选用············15
5.2 液压阀的选用·················15
5.3辅助元件的选用················15
6液压缸的设计计算和泵的参数计算·········· 17
6.1 液压缸设计计算················17
6.1.1 提升液压缸基本参数的确定·········· 17
6.1.2提升液压缸活塞杆的结构设计·········· 17
6.1.3活塞的结构设计················18http://www.16sheji8.cn
6.1.4缸筒的结构设计················18
6.1.5前缸盖的结构设计··············· 19
6.1.6导向套的结构设计···············19
6.1.7活塞杆端部耳环结构设计············ 20
6.1.8缓冲机构的设计················21
6.2泵的参数计算··················22
6.2.1泵的压力计算················· 22
6.2.2泵的流量计算················· 22
7溢流阀的作用和设计计算·············· 24
7.1溢流阀的作用·················· 24
7.2溢流阀的设计计算················ 24
7.2.1设计要求··················· 24
7.2.2几何尺寸确定················· 25
7.2.3静态特性计算················· 26
8强度计算·····················32
8.1液压缸的稳定性验算··············· 32
8.2活塞杆的强度验算················ 32
8.3缸筒的强度验算················· 32
8.4连接零件的强度验算···············33
9系统技术经济性分析················35
结论························36
致谢························ 37
参考文献·····················38
附录A
附录Bhttp://www.16sheji8.cn
