Structure Design And Experimental Study Of Anchorage Based On Rigid - Flexible Coupling

This paper is based on multi-body dynamics theory, rigid-flexible coupling theory, structural optimization theory and finite element theory. Sprocket wheel and windlass base were optimized by using multibody dynamics software, CAE software and strain measuring technology. The main contents are listed as follows:Windlass multi-body dynamics model was established by RecurDyn. Windlass under various conditions were simulated. According to the results of simulation, the transmission ratio and engagement force of gears were analyzed. The correctness of windlass multi-body dynamics model was verified. The meshing transmission of sprocket wheel and chain and the torque of sprocket wheel were analyzed. The transmission discipline of sprocket wheel and chain and the torque of sprocket wheel are obtained. It provides a reference for the structural optimization of sprocket wheel.The rigid-flexible coupling model of sprocket wheel and windlass base were established by RecurDyn flexible technology. Windlass under various conditions were simulated. According to the results of rigid-flexible coupling simulation, the dynamic stress history of sprocket wheel and windlass base were analyzed. Combine with the results of windlass multi-body dynamics simulation, the structure of sprocket wheel and windlass base are improved initially.The tooth shape of sprocket wheel was optimized. The contact force of sprocket wheel and chain and the torque of sprocket wheel were compared and analyzed. It is verified that the improvement to the tooth shaped of sprocket wheel is desirable.Sprocket wheel multi-objective optimization analysis, comparative analysis of different arrangements of windlass, windlass base topology optimization analysis, and windlass base multi-objective optimization analysis were conducted based on size optimization theory, topology optimization theory, and finite element theory. The optimal structure of sprocket wheel and windlass base were determined.The strain of different locations of windlass base under various conditions were tested by using strain measuring technology. The tested results were compared with the corresponding rigid-flexible coupling results. The correctness of windlass base rigid-flexible coupling analysis model are verified.