轮机英语steering gear.pptVIP

A screw block on the shaft is moved and in turn moves the floating lever to which a control rod is attached. The control rod operates the slipper ring or swash plate of the variable delivery pump. A cut-off lever(反馈杆) connected to the moving tiller will bring the floating lever pivot(枢轴，交点) and the lever into line at right angles to the screw shaft axis(轴线). At this point the rudder angle will match the bridge lever angle and the pumping action will stop. Rudder Rudder stock Transmission unit Power unit Control equipment Tiller 4、HOMEWORK * situated(位于) port side(左舷) starboard side(右舷), * cut-off lever(反馈杆、追随杆) Steering gear 天津理工大学 韩佳颖 Catalog 1、Relative knowledge review 2、Vocabulary 3、Working principle 4、Homework 1、Relative knowledge review 2、Vocabulary 舵轮 helm [helm] 舵机 steering gear 舵 rudder [r?d?] 舵柄 tiller [til?] 舵叶 blade [bleid] 舵柱 stock [st?k] 撞杆 ram [r?m] 追随机构 hunting gear 浮动杆 floating lever 反馈杆 cut-off lever 倾斜盘 swash plate 浮动环 floating ring 配流盘 port plate 滑靴 shoe 3、Working principle A two ram(撞杆) hydraulic gear consists of a hydraulic ram situated on the port side of the tiller(舵柄) and another ram on the starboard side, linked at their outer ends to the tiller arm by a crosshead and swivel block(转动滑块). Rudder stock Tiller arm Ram Hunting gear Crosshead swivel block Control rod Crosshead swivel block the other ends of the rams working inside their own hydraulic cylinders and pipes connect these cylinders to a hydraulic pump. The tiller is firmly keyed to the rudder stock. Hydraulic pump The pump is of special construction and may be axial or radial design. Axial or radial design The pump runs continuously in the same direction driven by an electric motor, and the position of a movable plate or a floating ring inside the pump controls the suction and discharge of the oil. When th