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Portable ejection system of pneumatic fixed-wing unmanned aerial vehicle and working method of portable ejection system

An unmanned aerial vehicle and fixed-wing technology, which is applied in the direction of launch/tow transmission device, etc., can solve the problems of inconvenient field use, large size and weight of the ejection system, complex structure, etc., and achieve the effects of low cost, wide application range and small size

Pending Publication Date: 2019-07-19
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a portable aerodynamic fixed-wing unmanned aerial vehicle ejection system and working method, to solve the short-distance take-off problem of the unmanned aerial vehicle in the prior art, and the existing ejection system Large volume and weight, complex structure, and inconvenient use in the field

Method used

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  • Portable ejection system of pneumatic fixed-wing unmanned aerial vehicle and working method of portable ejection system
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  • Portable ejection system of pneumatic fixed-wing unmanned aerial vehicle and working method of portable ejection system

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Embodiment Construction

[0022] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

[0023] refer to figure 1 As shown, a portable pneumatic fixed-wing UAV ejection system of the present invention includes: guide rail 1, gas cylinder 2, cylinder 3, foot valve 4, support foot 5, buffer 6, slide table 7, release hook 8, Tailstock 9, reversing pulley 10, large pulley 11, small pulley 12, cylinder pulley 13, steel cable 14, intake pipe 15, safety valve 16, air delivery pipe 17 and front mounting seat 18; wherein, gas cylinder 2, cylinder 3 , the front mounting base 18, the tailstock 9 are rigidly connected with the guide rail 1; the slide table 7 can slide along the guide rail 1; the fulcrum of the release hook 8 is fixed on the guide rail 1 and can rotate around the fulcrum; T...

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Abstract

The invention discloses aportable ejection system of a pneumatic fixed-wing unmanned aerial vehicle and a working method of the portable ejection system. The portable ejection system includes a guiding rail, a pulley, a pre-tension device, a pulley block, a buffer, a foot valve, a support, an air flask, an air cylinder, supporting legs and a steel rope. During ejection, power output and displacement of the air cylinder is conducted, the match of the pulley block and the steel rope makes output displacement and speed of the air cylinder magnified for eight times, so enough take-off speed is provided for an unmanned aerial vehicle, and at the same time, the requirement for the air cylinder is decreased. The match of contractible supporting legs and rotatable support makes that ejector have adaptability to rough terrain, meanwhile, size of the ejector is decreased and the ejector is convenient to carry. Powers of the ejection system come from a high-pressure tank, so the ejection times are ensured, dependence on external system is reduced, and physical exhaustion of operators is greatly decreased. The ejection system has the advantages of small size, light weight, simple structure, low cost, reusing for many times, carrying and operating by one person and superior performance.

Description

technical field [0001] The invention belongs to the technical field of unmanned aerial vehicle ejection and take-off, and in particular relates to a portable pneumatic fixed-wing unmanned aerial vehicle ejection system and a working method. Background technique [0002] With the development of technology, the application of UAVs in civilian and military fields has become more and more extensive. Among the various types of UAVs, fixed-wing UAVs have outstanding advantages such as fast speed, large load, and long airborne time, which can better meet the needs of carrying, communication, spreading, surveying and mapping, reconnaissance, and strikes. But the disadvantage of fixed-wing drones is that they must taxi on the runway and accelerate to a certain speed before they can take off. In order to reduce the dependence of fixed-wing UAVs on the take-off and landing site and improve the flexibility of use, a fixed-wing UAV ejection system can be used to accelerate the UAV to ta...

Claims

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Application Information

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IPC IPC(8): B64F1/06
CPCB64F1/06
Inventor 王崴崴赵万忠马韬
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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