A hydraulic differential valve for controlling correction and turning of an airplane comprises a shell, the shell is provided with a left hydraulic cavity and a right hydraulic cavity which are identical, the two hydraulic cavities share a pressure input port and an oil return port, an oil inlet pipe nozzle is arranged at the pressure input port, an oil return pipe nozzle is arranged at the oil return port, and the oil return pipe nozzle is connected with a hydraulic oil tank. The left pressure output port and the right pressure output port are respectively provided with a left output pipe nozzle and a right output pipe nozzle, identical sleeves are installed in two hydraulic cavities on the shell, pistons are arranged in the sleeves and can slide in the sleeves, reset springs are arranged at the bottoms of the pistons, the sleeves are installed in the shell through threaded sleeves, and ejector rods are arranged in the threaded sleeves and can slide in the threaded sleeves. The rocker arm and the operating arm are hinged to the shell through a rotating shaft, the operating arm is located above the rocker arm, protrusions corresponding to the ejector rod in position are arranged at the two ends of the rocker arm, the operating rod is hinged to the operating arm through a hinge shaft, and adjusting screws corresponding to the two ends of the rocker arm are arranged on the operating arm.
一种控制飞机纠偏和转弯的液压差动阀,包括壳体,壳体具有左右两个相同的液压腔,两液压腔共用一个压力输入口和一个回油口,压力输入口处设有进油管嘴,回油口处设有回油管嘴,回油管嘴连接液压油箱,左右压力输出口处分别设有左输出管嘴和右输出管嘴,壳体上的两液压腔内装有相同的套筒,套筒内设有活塞,活塞可在套筒内滑动,活塞底部设有复位弹簧,使用螺套将套筒安装在壳体内,螺套内设有顶杆,顶杆可在螺套内滑动,顶杆下端与活塞抵接,上端延伸出螺套,摇臂和操纵力臂通过转轴铰接在壳体上,操纵力臂位于摇臂上方,摇臂两端设有与顶杆位置对应的凸起,操纵杆通过铰链轴与操纵力臂铰接,操纵力臂上设有与摇臂两端对应的调节螺钉。
Hydraulic differential valve for controlling correction and turning of airplane
控制飞机纠偏和转弯的液压差动阀
2025-03-07
Patent
Electronic Resource
Chinese
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