Super-lifting rope wheel mounting system and crane

The utility model provides a superlift rope sheave installation system and crane, said crane includes superlift rope sheave and main winch system, the superlift rope sheave installation system includes the rope-passing subassembly, said rope-passing subassembly is provided on the main arm or auxiliary arm of said crane, said rope-passing subassembly is used for the winding connection of first rope of main winch system; the first rope is suitable for being connected with the super-lifting rope wheel after being connected to the rope passing assembly in a winding mode. According to the utility model, when the super-lifting rope wheel needs to be assembled or disassembled, the first rope is connected with the super-lifting rope wheel after being wound on the rope passing assembly, and the first rope drives the super-lifting rope wheel to move to a mounting position or a winding and unwinding position when being wound and unwound. 本实用新型提供了一种超起绳轮安装系统及起重机，所述起重机包括超起绳轮和主卷扬系统，该超起绳轮安装系统包括过绳组件，所述过绳组件设置于所述起重机的主臂或者副臂上，所述过