插销式升降平台液压系统可靠性分析  

Reliability Analysis of Plug-pin Type Lifting Platform Hydraulic System

作　　者：易炳辉 王守城[1] 李明通 YI Bing-hui;WANG Shou-cheng;LI Ming-tong(School of Mechanical and Electrical Engineering,Qingdao University of Science and Technology,Qingdao 266061,China)

机构地区：[1]青岛科技大学机电工程学院,山东青岛266061

出　　处：《液压气动与密封》2022年第8期36-41,共6页Hydraulics Pneumatics & Seals

摘　　要：插销式升降平台是一种高空机械举升设备,以其优越的爬升能力广泛应用于风电安装和海上施工。液压驱动系统作为核心部分,对平台的使用寿命和安全起着重要作用。从插销式升降平台的液压驱动系统工作原理入手,构建出液压驱动系统的可靠性框图,建立了液压系统的可靠性数学模型,然后计算出各子系统和整体系统的可靠度,在MATLAB软件里进行模拟仿真。得到插销式升降平台液压系统随时间变化的可靠性动态特性曲线,液压系统的平均无故障时间为3285.46 h。The plug-pin type lifting platform is a kind of high-altitude mechanical lifting equipment,which is widely used in wind power installation and offshore construction with its superior climbing ability.As the core part,the hydraulic drive system plays an important role in the service life and safety of the platform.Starting from the working principle of the plug-pin type lifting platform hydraulic drive system,the reliability block diagram of the hydraulic drive system is constructed,the reliability mathematical model of the hydraulic system is established,and then the reliability of each subsystem and the whole system is calculated,the simulation is carried out in MATLAB software.The reliability dynamic characteristic curves of the plug-pin type lifting platform hydraulic system with time variation are obtained,the average fault-free time of the hydraulic system is 3285.46 h.

关 键 词：插销式升降平台 液压驱动系统 可靠性框图 可靠度计算 MATLAB 动态特性曲线 

分 类 号：TH137[机械工程—机械制造及自动化]