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针对 10 MW高温气冷堆 (HTR- 10 )控制棒传动机构可能出现的事故隐患——链条断裂、联轴器键损坏等现象 ,建立了其传动机构的理论分析模型 ,进行了能量分析。结果表明 :缓冲器吸收能力与联轴器强度的匹配问题是联轴器可能出现损坏的主要原因 ;温度的升高降低了涡流阻尼力 ,造成缓冲器吸收能力与联轴器强度的不匹配 ;缓冲器的变形量与作用在联轴器上的作用力有关。为 HTR- 10控制棒传动机构的设计提供了理论依据
In view of the possible accidents, such as chain breakage and coupling damage, of the control rod drive mechanism of a 10 MW high temperature gas cooled reactor (HTR-10), the theoretical analysis model of the transmission mechanism was established and the energy analysis was carried out. The results show that the main reason that the coupling can be damaged is the matching of the absorbency of the shock absorber and the coupling strength. The increase of the temperature reduces the eddy flow damping force, resulting in the mismatch between the absorbency of the shock absorber and the strength of the coupling. The amount of deformation of the bumper is related to the force acting on the coupling. It provides a theoretical basis for the design of HTR-10 control rod transmission mechanism