液压破碎机在破碎作业时，由于特殊的构造要求，使破碎机机架的某些部位常处在高应力状态下工作，确保这些部位的材料强度，同时满足轻量化的设计指标，是机架设计的关键之一。目前通常使用的设计法是试行错误法，即研制～应力测试～改进研制～应力再测试的反复循环。由于机架 In the crushing operation of the hydraulic crusher, due to the special construction requirements, certain parts of the crusher frame are often operated under high stress conditions to ensure the material strength of these parts, and at the same time meet the lightweight design indicators. One of the keys to design. The commonly used design method at present is a trial and error method, that is, repeated cycles of development-stress testing-improved development-stress retesting. Due to the rack