The invention relates to a liftable doorsill for a ship, which comprises a door frame and a deck, and is characterized by further comprising a doorsill and a box body, wherein a through hole is formedin the deck; the box body is positioned below the through hole and is welded with the lower surface of the deck; a controller, a gear speed reducing motor, a worm, a worm wheel and a screw rod are arranged in the box body; the upper end of the screw rod is connected with the bottom of the doorsill; a sealing structure is arranged between the door frame and the doorsill; a second sealing strip isarranged on the through hole, the collision block ascends and descends along with the screw rod and is matched with the upper limiting switch and the lower limiting switch, the signal output ends of the upper limiting switch, the lower limiting switch and the starting button are connected with the signal input end of the controller, and the signal output end of the controller is connected with thecontrol signal input ends of the gear speed reducing motor and the locking oil cylinder assembly. The liftable doorsill for a ship is safe, reliable and convenient to use, flexible transportation canbe achieved, the marine living standard is guaranteed, what is effectively guaranteed is that the water tightness inside and outside the doorsill, especially the water tightness inside the doorsill,completely meets the ship standard requirement, and the labor cost can be saved.

    本发明涉及船用可升降门槛,包括门框和甲板,其特征是还包括门槛和箱体,甲板上开设有通孔,箱体位于通孔之下并与甲板的下表面焊接,箱体内设置有控制器、齿轮减速电机、蜗杆、涡轮和螺杆,螺杆的上端与门槛的底部连接,门框与门槛间设置有密封结构,通孔上设置有第二密封条,撞块随螺杆升降并分别与上、下限位开关配合,上、下限位开关和启动按钮的信号输出端分别与控制器的信号输入端连接,控制器的信号输出端分别与与齿轮减速电机和锁紧油缸组件的控制信号输入端连接。本发明安全可靠、使用方便,既能实现柔性运输,保障海上生活水平,也有效保证了门槛内外尤其是门槛内侧的水密性完全满足船舶规范要求,还可以节约人工成本。


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    Title :

    Liftable doorsill for ship


    Additional title:

    船用可升降门槛


    Contributors:
    LI HAIDONG (author) / GUO JIAN (author) / WU CHENHUI (author) / SHU ZHENGYI (author) / ZHOU XINRONG (author) / XIANG LIJUN (author)

    Publication date :

    2020-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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