PAGEI重庆工商大学2009届毕业“论文”设计题目：DTL80/20/55S带式输送机子题目：技术方案（机械）专业：机械设计及自动化姓名：×××班级：×××指导教师：王永安起止日期：2012年1月18日至2012年5月18日目录一输送机设计方案·····························································1二输送机原始参数及设计结论············································11原始参数·······································································12输送机设备配置··························································13执行标准········································································2三零部件选型···································································31驱动装置········································································42拉紧装置·······································································53逆止器·····································································54制动器···········································································55托辊··············································································66滚筒··············································································67机身··············································································68外观涂装········································································6一、输送机设计方案本输送机全长1532.7m，坡度0~2~0º，高差约1.3m，平运。针对这一特点，采用新的设计理念与传统方法相结合进行设备的最优化配置，保证这条带式输送机长期可靠、安全、高效运行，该输送机的配置主要有以下特点：（一）YOT系列调速型液力偶合器是以液体为介质传递功率并实现无级调速的液体联轴装置。调速型液力偶合器主要用于各种风机和水泵等设备上，经国内外用户使用普遍反映节能效果显著。调速型液力偶合器与其它机械联轴装置相比具有以下特点：1．调速型液力偶合器可以在原动机转速不变的情况下连续无级调节被驱动机械的转速，当与离心式风机、水泵相配时，其调速范围为1～1/4，当与活塞式机械相配时，其调速范围为1～1/3；2．调速型液力偶合器能使电机空载启动，不必选择过大功率余量能力的电动机等原动机，并且可以减少电网负荷的波动；3．调速型液力偶合器具有过载保护的性能；4．隔离振动，减缓冲击；5．调速型液力偶合器的传动部件间无直接机械接触、使用寿命长；6．调速型液力偶合器在额定负载下有较高的传动效率；7．调速型液力偶合器具有液力控制调速装置和两个半轴，易于实现远距离自动操作；调速型液力偶合器具有结构合理，性能先进，可靠性高，能满足冶金、建材、发电等行业长期连续运转工况要求。采用调速型液力偶合器启动来降低启动张力，解决重载启动的难题。（二）采用BYWZ5400/121.330瓦电力液压制动器制动，性能安全可靠、制动平稳、动作频率高、制动力矩可调。主要摆动铰点设自润滑轴承，传动效率高、寿命长，在使用过程中始终保持两侧瓦块退距均等，避免因退距不均使一侧制动衬垫浮帖制动轮的现象。制动弹簧布置在弹簧管内，并在一侧设有制动力矩标尺，调整方便，直观。可通过增设附加装置实现某些附加功能：手动释放装置释放（开闸）或闭合（闭闸）限位开关，可实现制