It is important to maintain the ship chamber horizontal and keep cable tensions in equilibrium during the running of the hoisting fully balancing type ship lifter . the distributions of displacements and cable tensions are unbalanced because of construction errors . a hydraulic balance system which has 48 oil cylinders is designed to eliminate the unsafe factor 为了消除该不安全因素，使升船机工作时，承船厢能在水平、受力均衡的状态下升降，设计中的升船机有一个由48个液压油缸组成的液压均衡系统，靠它维持船厢的水平状态和提升索拉力均衡。
