The invention relates to a ship component, in particular to a portal frame device for folding and unfolding a towing body. The portal frame device comprises a portal frame, wherein supporting seats used for being connected with a ship deck are hinged to the outer ends of two vertical rods of the portal frame, and first driving cylinders are arranged between the portal frame and the supporting seats so as to drive the portal frame to rotate in a vertical plane along a hinged point. The portal frame device is characterized in that a connecting frame is arranged on a cross rod of the portal frame, a conical capturing cover is arranged at the bottom of the connecting frame, the end with the small diameter of the capturing cover faces upwards, a notch is formed in the bottom of the capturing cover, an opening is formed in the side wall of the capturing cover, and the opening and the notch are located at two ends of one radial line of the capturing cover. With the adoption of the portal frame device for folding and unfolding the towing body, the folding and unfolding process is convenient.
本发明涉及一种舰船组件,具体说是用于拖体收放的门架装置。它包括门形架,门形架两个立杆的外端上均铰接有用于与船舶甲板相连的支撑座,门形架与支撑座间有第一驱动缸,以便驱动门形架沿铰接点在竖向平面内转动。其特点是所述门形架横杆上有连接架,连接架的底部有锥形的捕获罩,捕获罩直径小的那一端朝上,捕获罩的底部有豁口,捕获罩侧壁上有开口,开口与豁口位于捕获罩一个径向线的两端上。采用该门架装置的可带收放拖体,收放过程方便。
Portal frame device for folding and unfolding towing body
用于拖体收放的门架装置
2020-11-13
Patent
Elektronische Ressource
Chinesisch
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