当船闸灌水或泄水时,水流对停在闸室和引航道中的船舶有作用力,为不使船舶有显著的移动,撞击船闸闸门及船闸结构,必须将过闸的船舶在闸室或引航道中稳固住,对其稳固措施,目前都是用人工将船以缆绳系在闸墙上的浮式系船环上,或系在固定系船设备上。国外近来提出了用电磁铁在闸室内系泊船舶的设 When the lock is irrigated or drained, the water flow forces on the ship stopping in the lock chamber and the approach channel. In order not to cause any significant movement of the ship and impact the lock of the ship and the structure of the ship lock, the ship in the lock chamber or pilotage Roads to stabilize the steady measures of its present, are used to manually ship the cable tied to the floating wall of the mooring ring system, or tied to a fixed mooring equipment. Foreign recently proposed the use of electromagnets in the lock indoor mooring ship set