1、 题题 目:目: 行走式小型液压起重机设计行走式小型液压起重机设计 姓姓 名:名: 班级学号:班级学号: 指导教师:指导教师: 毕 业 论 文(设 计)用 纸 佳木斯大学教务处 第 I 页 摘 要 随着国民经济的迅速发展,国内汽车起重机的市场需求也在不断增加。各起重机生产 厂为了争夺更多的市场份额,都在不断对自己的产品进行更新换代。谁先开发出技术含量 高、适销对路的新产品,谁就能先赢得更多的市场。面对竞争日益激烈的起重机市场,开 发新一代汽车起重机成为各起重机生产厂的当务之急 行走式小型液压起重机主要有行走系统,电气控制系统和液压控制系统三部分组成。 将小车底盘作为工作台,电动机,液压系统和吊
2、臂都安装在上面,由遥控装置来控制电动 机,通过电动机对液压泵的控制,从而控制液压马达的转速和液压缸的活塞速度,以实现 规定的动作。 行走式小型液压以齿轮泵作为动力源,采用液压先导比例控制,符合国情,既便于生 产和采购,又降低了制造成本,有利于大批量组织生产。 关键词关键词 遥控装置;齿轮泵;液压先导比例控制。 毕 业 论 文(设 计)用 纸 佳木斯大学教务处 第 II 页 Abstract With the rapid development of the national economy, the domestic automobile market demand crane has als
3、o increased. To the crane manufacturing plant for more market share, in the constant upgrading of their products. Whoever developed high technological content, marketable new products, which will be able to win more market? Faced with the crane in an increasingly competitive market, to develop a new
4、 generation of the crane truck crane to become the top priority production plant Walk-mainly small hydraulic crane operating system, electrical control system and hydraulic control system consists of three parts. As a car chassis will be working platforms, electrical, hydraulic systems and are installed on the crane above, by a remote control device to control the motor, the hydraulic pump through the motor control and thus control th