Abstract
The moving direction of double seal door (DSD) of International Thermonuclear Experimental Reactor (ITER) remote handling transfer cask will change suddenly at the guide rail inflexion position (GRIP), where the force of hydraulic pole also will change significantly. The structure may damage and the system will possible be failed when the DSD moving through GRIP which is a mutant site. Based on special constitution, restriction conditions and working process of DSD, kinematics simulation and analysis were done by software ADAMS. The DSD moving equations were built based on the degree of freedom (DOF) of DSD mechanism system, and then the force of DSD moving were calculated in theoretical analyzing. By the above simulation and theoretical calculation the stress distribution of guide rail and hydraulic pole were obtained, at the same time optimization design of GRIP was confirmed according to the force analysis results. The above-mentioned analysis process and results not only provide technical data for the optimization design and the prototype manufacture of DSD, but also provide the examples and references of theoretical calculation and kinematics analysis for other important components of ITER.
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