Parachute-free aerial delivery device

Abstract

The invention discloses a parachute-free aerial delivery device. The parachute-free aerial delivery device comprises a material case and a buffer box. When the parachute-free aerial delivery device isput into the air, the posture is adjusted through a guide mechanism at the top to make the buffer box located under the material case and blades unfolded in a turnover manner, the blades and film arein an umbrella shape, the device falls stably under the action of air drag, air enters the buffer box through an air inflation hole in the bottom of the buffer box, the buffer box slides downwards relative to the material case, the device descends stably, large upward air drag is provided by an umbrella-shaped drag face formed by the unfolded blades and film, the whole device decelerates, and thus the device descends slowly. When the device lands, the buffer box touches the ground first, the buffer box slides upwards relative to the material case at the moment, and air in the buffer box is compressed to be discharged from air discharge holes. By compressing air in the buffer box to absorb impact energy, materials in the material case are less stressed, and the safety of the aerial delivery device is improved.

Description

technical field [0001] The invention relates to the technical field of an airdrop device and its surrounding supporting facilities, in particular to an airdrop device without an umbrella. Background technique [0002] During emergency rescue and disaster relief, search and rescue of missing and trapped persons, and emergency supplies on the battlefield, since it is inaccessible from the ground, it is necessary to deliver materials from the air. In this case, it is often necessary to urgently release small items such as food, drinking water, medicine or communication equipment. Traditional airdrop systems generally use parachutes as deceleration devices; honeycomb paper, foam plastics, and airbags are used as buffer devices when landing to reduce the impact of landing and prevent material damage. The structure of the parachute airdrop system is relatively complicated, requiring long-term preparations and high costs. When a large number of small and low-value materials need ...

AI Technical Summary

Problems solved by technology

The disadvantages of this method are: 1. In the face of complex weather and terrain conditions, the ground personnel are often unable to obtain supplies due to the deviation of the landing point

For example, when rescuing people trapped in floods or mountainous areas, the area available for landing is often small. If the dropped materials fall into the surrounding water, they will be washed away. If they fall into the canyon, it will be difficult to pick them up, and the rescue purpose cannot be achieved

2. Since the trapped people gather in a narrow area, it often happens that people are hit by airdrops and cause casualties in practice

3. Materials are easily under the control of a few people, and a large number of people, especially vulnerable groups such as the elderly, children and women, cannot receive relief materials

The landing speed of this type of system is slow, which is beneficial to reduce the damage to materials and the damage to ground personnel, but the problem is that the capacity of a single container is small, the structure is relatively complicated, and it is troublesome to pack, transport and release when a large amount of delivery is required

[0007] In general, the existing umbrellaless airdrop technology is difficult to take into account the ease of use and good deceleration and buffering effect at the same time, especially when airdropping a large number of small items, the effect is not ideal

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