文章摘要
张国勇,叶邦正,任小鸿,高朝祥.一种双向三级等推力液压油缸的设计[J].机床与液压,2017,45(16):131-134
一种双向三级等推力液压油缸的设计
Design of a Two-way Three-level Thrust Hydraulic Cylinder
  
DOI:10.3969/j.issn.1001-3881.2017.16.034
中文关键词: 三级等推力  液压油缸  双向伸出
英文关键词: Three level equal thrust  Hydraulic cylinder, Two-way stretch
基金项目:
作者单位E-mail
张国勇 四川化工职业技术学院机械工程系 642153@163.com 
叶邦正 四川化工职业技术学院机械工程系  
任小鸿 四川化工职业技术学院机械工程系  
高朝祥 四川化工职业技术学院机械工程系  
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中文摘要:
      针对传统多级液压油缸工作压力小,各级推力小且不等,活塞杆单向伸出距离长、挠度大,工作时稳定性和可靠性差、使用寿命短等缺陷,对其整体结构进行重新设计。采用不同的缸径和活塞杆直径,通过内部配油座合理排列组合,实现了三级等推力且推力较大;采用活塞杆双向伸出结构,使活塞杆单向伸出长度短,伸出挠度小,防止部件被啃伤。通过以上的改进,液压油缸的稳定性及使用寿命大大提高。设计的产品已获发明专利(ZL201310691041.5)
英文摘要:
      The traditional multistage hydraulic cylinder has many disadvantages,such as working pressure is small, thrusts at all levels are small and unequal, one way out distance of piston rod is long, deflection is large, stability and reliability at work are poor, service life is short and etc.To overcome the defects, the whole structure was redesigned. Different cylinder diameters and piston rod diameters were adopted, through reasonable arrangement and combination of internal oil distribution base, three stage equal thrust was achieved and the thrust was larger. Bidirectional extended structure of piston rod was adopted,then one way out length of the piston rod was short,the out deflection was small, to prevent the parts to be injured. Through the above improvement, the stability and the service life of the hydraulic oil cylinder are greatly increased.This product has won a patent for invention(ZL201310691041.5).
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