一种飞机固定轮式起落架雪橇收起与放下控制装置及方法
By designing a control device for the raising and lowering of the aircraft's fixed-wheel landing gear skids, the problem of switching between takeoff and landing on land and soft snow surfaces was solved, achieving multi-purpose design and safety assurance.
CN117885889BActive Publication Date: 2026-07-17HARBIN
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HARBIN
- Filing Date
- 2023-12-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing aircraft with fixed-wheel landing gear cannot switch between takeoff and landing on land and soft snow surfaces, and lacks the control function for raising and lowering skis.
Method used
A control device for raising and lowering the sled of an aircraft fixed-wheel landing gear was designed. The device uses a hydraulic combination valve and a hydraulic pump, combined with a micro switch, to control the raising and lowering of the sled, thereby achieving status indication and locking functions.
Benefits of technology
It enables aircraft to take off and land on runways of different textures, meets the requirements of multi-purpose design, and improves the safety of pilots during flight.
✦ Generated by Eureka AI based on patent content.
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Figure CN117885889B_ABST
Abstract
本发明属于系统电气控制技术领域，具体涉及飞机固定轮式起落架雪橇收起与放下控制装置及方法。通过收放开关控制液压组合阀和液压泵的工作，实现飞机前起落架雪橇、左主起落架雪橇和右主起落架雪橇的收起和放下功能；通过飞机前起落架雪橇、左主起落架雪橇和右主起落架雪橇在收起和放下锁定位置的微动开关，控制三个雪橇收起和放下状态指示灯的燃亮和熄灭。对起落架雪橇收起和放下的运行和锁死状态监测的设计，使驾驶员飞行的安全性得到了有利保障。
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