1. School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou City, Henan 450001, China
2. North China University of Water Resources and Electric Power, Zhengzhou, Henan 450008, China
3. Special Equipment Safety Inspection and Research Institute of Henan Province, Zhengzhou, Henan 450008, China
4. Henan mining Crane Co., Ltd, Xixiang, Henan 453400, China