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发明公开
CN107697859A 一种插拔式升降止挡装置 审中-实审

一种插拔式升降止挡装置
摘要：
本发明提供一种插拔式升降止挡装置，其包括：短止挡和长止挡；所述短止挡和所述长止挡相对设置，且可相互独立地上升或下降；其中：所述短止挡包括第一帽盖和第一止挡板；所述第一帽盖位于所述第一止挡板的一端，与所述第一止挡板连接；所述长止挡包括第二帽盖和第二止挡板；所述第二帽盖位于所述第二止挡板的一端，与所述第二止挡板连接；所述第一止挡板的长度小于所述第二止挡板的长度。本实施例提供的插拔式升降止挡装置，可以在新燃料下降和乏燃料提升两种模式间进行快速而准确的插拔。该装置安装在新燃料升降机的轨道部件上，分为长止挡和短止挡分别用于两种工况。
摘要（英）：

The invention provides a pluggable lifting stop device. The pluggable lifting stop device comprises a short stopper and a long stopper. The short stopper and the long stopper are arranged oppositely and can rise or fall mutually independently. The short stopper comprises a first cap and a first stop plate, and the first cap is located at one end of the first stop plate and connected with the firststop plate. The long stopper comprises a second cap and a second stop plate, and the second cap is located at one end of the second stop plate and connected with the second stop plate. The first stopplate is shorter than the second stop plate. The pluggable lifting stop device can be rapidly and accurately plugged and unplugged so as to operate in the fresh fuel descending mode or in the spent fuel ascending mode. The pluggable lifting stop device is mounted on a rail component of a fresh fuel elevator and composed of the long stopper and the short stopper which are used under two differentconditions.

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