1、山东科技大学学士学位论文 I 摘 要 在高压、高速、大功率的制造行业,机、电、液一体化的设备在整个机械设备中所占的比重越来越大。液压实验台作为一种检测液压元件的必须设备,可对 液压泵 , 液压马达 , 液压阀 等各种液压元件进行测量。 本毕业设计的 主要任务是设计 一简单试验台系统,以对液压泵和液压马达进行性能测试,主要是 容积效率和机械效率等性能指标。 本文在详述国内外 液压试验台 研究现状的基础上, 对 液压泵和液压马达的性能测试系统进行了设计,包括对总的设计系统原理图以及电控图等进行了详尽的设计、计算以及选型等。 本文对 液压泵和液压马达性能测试系统进行设计, 具有很大的必要性,液压泵
2、和 液压马达作为液压系统的动力元件和执行元件,是整个液压系统的心脏,其质量、性能的好坏直接影响着液压系统的可靠性,进而影响生产设备的正常运行。因此 ,对液压 泵和 马达进行精确的性能测试,是辨别产品优劣、改进结构设计、提高工艺水平、保证系统性能和促进产品升级的重要手段。 关键词: 液压试验台 ; 液压泵;液压马达;性能测试山东科技大学学士学位论文 II Abstract In the field of the high-pressure, high-speed and great-power manufacturing, the equipment which consists of mech
3、anic, electric and hydraulic is playing more and more important roles in the field. As a necessary device of measuring hydraulic parts, the hydraulic test-bed is able to measuring vary of parts such as pumps, motors and valve.The task of the graduation is the design of the small hydraulic test-bed s
4、ystem,so as to test the performance indicators of hydraulic pumps and hydraulic motors, especially including volumetric efficiency and mechanical efficiency and other performance indicators. In the base of summarizing the study status on the hydraulic test-bed inside and outside, the performance ind
5、icators system of hydraulic pumps and hydraulic motors is designed, including a detailed design,calculation and selection of the overall design system schematic diagrams and electronic control schematic diagrams. It is with a great need to design the performance test system of the hydraulic pumps an
6、d hydraulic motors. The hydraulic pumps and the hydraulic motor are the heart of whole hydraulic system as a part of power and executing, which result in the dependability of hydraulic system; even in the good working condition of the manufacturing equipments.Therefore, measuring accurately to the hydraulic pumps and motors is the important way of promotion of construction, process and performance of products. Key words: hydraulic test-bed;pump;motor;performance measurement;