摘要
针对电梯曳引钢丝绳内部受力及寿命问题,对电梯曳引钢丝绳1×19结构和8×19结构进行了力学研究。首先考虑单股钢丝绳受力情况并得到钢丝的应变;并分析了整根钢丝绳的力学性能,在Matlab/Simulink中通过求解力学方程建立模型,计算了电梯钢丝绳内部应力,分析了单股各层钢丝半径对其接触应力的影响,同时进行了钢丝绳拉伸及拆股实验来间接验证其受力情况。研究结果表明,芯股与侧股之间接触应力最大,芯层与内层钢丝接触应力次之,内层与外层之间的钢丝最小,拆股实验结果与仿真结果基本一致,同时随着芯层、内层、外层钢丝半径增加,单股钢丝内部接触应力下降或趋于均匀,为电梯钢丝绳后续研究奠定了基础。
Aiming at the life and the forces inside of elevator traction rope,a strand of 1 × 19 structure and 8 × 19 structure of elevator traction rope were researched for mechanical. The force of a single strand of wire rope was analyzed and the strain was got first. Then the mechanical performance of entire rope was analyzed and the model was established by solving the equation of mechanical in Matlab / Simulink.The internal stress of the rope was calculated. Influence of the radius of the single stand wire on contact stress was researched. It also was analyzed and verified by stretch and splits of rope test indirectly. The results indicate that the contact stress of the core stand and the side stand is max,followed by the core-inner layers wire of stand,the inner-outer wire of strand is min; Experimental result is consistent with the simulation; Contact stress decrease and more uniform as radius of core / inner / outer wire layers increase which are basis for the after study of the elevator rope.
出处
《机电工程》
CAS
2015年第11期1412-1417,共6页
Journal of Mechanical & Electrical Engineering
基金
国家质量监督检验检疫总局科技计划资助项目(2013zjjg106)
关键词
电梯钢丝绳
力学分析
实验研究
elevator rope
mechanical analysis
experimental research
