Valve replacement device for shipbuilding

The invention discloses a valve replacement device for shipbuilding. The device is used for temporarily replacing a valve in a pipeline system and comprises an adjustable screw, connecting plates andlocknuts; the adjustable screw is cylindrical; threads are distributed at the two ends of the adjustable screw; a screw hole is formed in the middle of each connecting plate; the two ends of the adjustable screw are in threaded connection with the connecting plates correspondingly; the two ends of the adjustable screw are in threaded connection with the locknuts correspondingly; and the locknuts abut against the connecting plates. The valve replacement device has the beneficial effects that the valve replacement device has the advantage of multiple replacement varieties, has good practicability, economy and popularization feasibility, and is broad in market prospect. 本发明公开了一种船舶建造用的阀件替代装置，所述装置用来暂时性替换管路系统中阀件，所述装置包括：可调螺杆，其为圆柱状，所述可调螺杆的两端布设有螺纹；连接板，所述连接板的中间设置有螺孔，所述可调螺杆的两端分别螺纹连接一个所述连接板；防松螺母，所述可调螺杆的两端分别螺纹连接有防松螺母，所述防松螺母抵靠所