Abstract: In order to achieve automatic grasp and to improve the security leve of urban radioactive waste repository in Sichuan provincel, this study carried out the design and development of the automatic grasp system of radioactive sources in urban radioactive waste repository and the security linkage system of radioactive waste repository. By designing the loading and unloading system of radioactive sources and the automatic grasping software system, which are interlinked with the dose monitoring system, radio frequency system and vehicle channel monitoring system of the waste repository, the functions of automatic access and safety linkage management of radioactive sources in the radioactive waste repository are realized. It has achieved the effect of effectively reducing the dose of the staff and improving the safety level of the waste repository. Through this study, the feasibility of the automatic grasp system of radioactive sources and the safety linkage technology of the warehouse is verified, and a new idea is put forward for the storage and management of radioactive waste, and a strong support is provided for the further development of the application of nuclear technology.

Key words: urban radioactive waste repository, automatic grasping of radioactive sources, warehouse safety linkage, radiation dose monitoring