Blade-rotated hydraulic steering engine
A technology of rotary vane and steering gear, which is applied in the direction of rudder steering, mechanical equipment, fluid pressure actuating device, etc. It can solve the problems of poor self-priming capacity of the pump, small displacement, and affecting the performance of the steering gear, etc., to achieve guaranteed Effects of hot oil replacement, improvement of working conditions, and improvement of steering gear performance
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[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0041] When the aforementioned valve-controlled hydraulic steering gear is on standby (when no steering gear operation is required), the main system (rudder pushing mechanism including the steering gear cylinder) does not need to supply oil, but the pump is always outputting, and the pump outputs a large flow rate The hydraulic oil must overflow, which causes a lot of energy loss and heat generation. Valve-controlled hydraulic steering gear belongs to an open hydraulic system. Compared with the open system, the closed system is more energy-efficient. One is because the main oil circuit has no other valves such as reversing valve except for the hydraulic lock, which reduces the pressure loss. The second reason is that a two-way variable freque...
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