风力叶片自动合模装置双液压缸铰点位置设计  

Design of hinge position of double hydraulic cylinders of automatic clamping device of wind blades

作　　者：陈茂林[1] 章羽 Chen Maolin;Zhang Yu

机构地区：[1]同济大学机械与能源工程学院,上海201804

出　　处：《起重运输机械》2024年第1期61-65,共5页Hoisting and Conveying Machinery

摘　　要：叶片模具是风力叶片制造的关键设备,当前风电叶片模具的开合主要有机械起重机吊装翻转和全自动液压翻转2种方式,采用机械行车提吊翻转过程不连续且精度较差,而现有的自动合模装置主要采用对称布置的2个液压缸,翻转过程中会碰到死点且对液压缸损害很大。针对上述问题,文中介绍了一种新型双液压缸风力叶片自动合模装置,描述了其结构和工作原理,并建立了该装置的几何模型,推导了翻转过程中液压系统主副液压缸力矩计算的数学模型,通过Matlab遗传算法工具箱对该自动合模装置双液压缸的铰点位置进行优化设计,使翻转过程中液压缸动力矩变化尽可能拟合负载的阻力矩,优化设计结果表明,通过该方法可以进一步优化该装置的结构尺寸,提高叶片合模的效率和精度。Blade mould is the key equipment in the manufacture of wind turbine blades.Now,the opening and closing of wind turbine blade mould mainly depends on mechanical crane lifting and full-automatic hydraulic overturning.The mechanical crane lifting is discontinuous and has poor accuracy.However,the most existing automatic mould clamping devices are provided two symmetrically arranged hydraulic cylinders,the dead point may be hit and cause great damage to the hydraulic cylinders during overturning.In order to solve the above problems,in this paper,a new type of automatic clamping device for wind blades with double hydraulic cylinders is introduced,and its structure and working principle are described.The author established the geometric model of the device,deduced the mathematical model for calculating the torque of the main and auxiliary hydraulic cylinders of the hydraulic system during the overturning process,and optimized the hinge point position of the double hydraulic cylinders of the automatic clamping device through the Matlab genetic algorithm toolbox,so that the dynamic torque change of the hydraulic cylinders during the overturning process can fit the resistance torque of the load as much as possible.The optimization design results show that the size of the device can be further optimized by this method,and the efficiency and accuracy of blade clamping can be improved.

关 键 词：风力发电 合模装置 动力学分析 铰点位置优化 力矩拟合 

分 类 号：TH137[机械工程—机械制造及自动化]