………………………&hel lip;……&hel
lip;………………………& hellip;…5 &he
llip;……………………… ……&hellip
;………………………&he llip;……&he
inging platform, goodquality, comfortably controlled. Be widely used in construction,supplying and c
ity planning. [Keywords] hydraulicexcavator hydraulicsystem Solid Edge drawing
图纸采用solidedge 三维软件和auto cad绘制。经过认真地设计计算,查 找资料撰写设计论文。 本液压挖掘机的优点是液压系统采用先导伺 服控制，造型美观。除具有挖掘装卸的功能外，还可以根
据需要加装不同的辅助设备，来进行抓物，钻孔，推土，清沟，破碎 等作业。平台可360°回转，性能可靠，操纵工人劳动强度改善。 可广泛应用于建筑，市政，供水，供气，供电，农林及园艺建设等工 程。 [关
llip;……………………… ……&hellip
;………………………&he llip;……&he
d we choose the domestic excavatorwhose quality and character is the most similar to our request ast
he basic type, further study the overseas advanced type. Then Idesigned the projects of the hydrauli
Байду номын сангаас
cs system of the small typeexcavator. All the drawings are drawn using the software of SolidEdge and
Auto CAD. After the serious designing, calculating andconsulting I wrote this strongpoint of this
stem. That is to decide the theory, todesign the pipeline and the tank of the hydraulic system. The
wayto solve the task is on the basis of the function of the whole andevery part of the excavator. An
键词] 液压挖掘机 液压系统 solid edge 绘图 [Abstract]The name of the graduating task is “4t small type
hydraulicexcavator”. The task is requested by a company. My task is todesign the hydraulic sy
4t小型液压挖掘机液压系统设计（完整一套设计，有说明书:论文，图 纸）
[摘要] 本次毕业设计课题是4t小型液压挖掘机。课题是受企业委托而立项。 本人致力于液压系统的设计，即液压系统方案的
拟定，系统管路图的设计，液压油箱的设计。设计思路是从挖掘机总 体以及各部分的工作性能和动作要求入手，并以国内的质量和技术性 能接近设计要求的挖掘机为基础，研究国外的先进机型，开发出自己 的全套液压系统方案。
llip;……………………… ……&hellip
;………………………&he llip;……&he
目录第一章 ………………………&hel lip;…&
hellip;…………………5 …………
hydraulic excavator is using servoforerunner control system. It has beautiful sculpt. With thecapaci
ty of excavating, grappling, drilling, pushing, clearingchannel and crashing etc. Have a 360° sw