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论文编号:DQ342 论文字数:10417,页数:31
摘要
液压系统是以电机提供动力基础，使用液压泵将机械能转化为压力，推动液压油。通过控制各种阀门改变液压油的流向，从而推动液压缸做出不同行程、不同方向的动作，完成各种设备不同的动作需要。论文简要介绍了机床液压系统的工艺计算和主要技术性能特点，所设计的进给调速回路有较高的控制精度和响应速度，采用平衡阀控制的压力回路，有效地解决了立式动力头快速下降的平衡稳定问题；良好的设计和制造性能充分满足了用户高效率自动化的生产需求。
关键词 液压系统 稳定性 设计及计算
Abstract
Hydraulic system is powered motor basis,the use of hydraulic pump will translate into pressure on the mechanical energy, promote the hydraulic oil.Through various control valves to change the flow of hydraulic oil, thus promoting the hydraulic cylinders made of different itinerary,the movements in different directions.All kinds of different equipment to complete the actions required.This paper introduced the craftwork calculation and the main technical features of the machine hydraulic system.The small high -pressure flow gear pumps and the high-pressure large flux and variable pump used by the supplied oil circuit can effectively improved the efficiency of the production equipment;the designed timing loop held a high control accuracy and response speed;the pressure-balanced valve used by the pressure loop could effectively solve the balance stability question of the erect dynamical head which was declined rapidly. The excellent design and manufacture capability could satisfy the production demand for high efficiency and robotization of users automated production efficiency.
Keywords hydraulic system control system design and calculate
目 录
1 引言 1
1．1 研究意义 1
1．2 国内外研究现状 2
1．3 主要研究内容 3
2 液压系统组成与特点 5
2．1 液压系统组成 5
2．2 液压系统特点 5
3 系统分析 7
3．1 负载分析 7
3．2 运动分析 8
4 液压缸参数确定 9
4．1 液压缸工作压力 9
4．2 液压缸尺寸 9
4．3 液压缸参数计算值 9
4．4 液压缸工况图 10
5 液压缸系统图 12
5．1 液压回路 12
5.1.1液压回路组成 12
5.1.2液压回路特点 14
5．2 液压系统合成 15
6 液压元件选择 18
6．1 液压泵和电机 18
6．2 控制元件 18
7 液压系统性能测试 21
7．1 回路压力测试 21
7．2 液压泵压力测试 23
7．3 液压泵温度测试 24
7．4 液压泵的噪音 25
结 论 26
致 谢 27
参 考 文 献 28
