Electric and light-weight catapult with multiple strands of rubber strings for small unmanned aerial vehicle

Abstract

The invention provides an electric and light-weight catapult with multiple strands of rubber strings for a small unmanned aerial vehicle.The electric and light-weight catapult is characterized by comprising a sliding rail, multiple strands of catapulting rubber string ropes, a catapulting tackle, a sliding rail supporting rod assembly, a movable pulley, a fixed pulley, an electric winch and a connection rope.The sliding rail supporting rod assembly supports the sliding rail and is arranged in an inclined mode, the higher end is the front end, and the lower end is the rear end; the catapulting tackle is slidably mounted on the sliding rail and can slide freely along the sliding rail; the electric winch is mounted on the lower side of the rear end of the sliding rail; the fixed pulley is mounted in an opening, close to the front end, of the sliding rail; one ends of the multiple strands of rubber string ropes are fixed to the lower side of the front end of the sliding rail, and the other ends penetrate through the movable pulley and the fixed pulley and then are fixedly connected to the catapulting tackle; the center of the movable pulley is connected with the electric winch through the connection rope.According to the electric and light-weight catapult, modular design is adopted, and the electric and light-weight catapult is simple and portable in structure, convenient to use and erect, safe, reliable, good in maneuvering characteristic and capable of being applied to complex terrain environments.

Description

technical field [0001] The invention relates to the technical field of unmanned aerial vehicles, in particular to an ejection device for unmanned aerial vehicles. Background technique [0002] With the development of informatization, small and medium-sized UAVs have been widely used in earthquake relief, small-scale battlefield reconnaissance, and strike effect evaluation. However, there are still some limitations in the use of drones. The take-off of drones is often limited by the site and needs to rely on flat runways. At present, the commonly used methods are hand-throwing and ejection. However, when the wingspan and weight are slightly larger, the hand-throwing method cannot be adopted; and the ejection device is often bulky and inconvenient, and it is difficult to use and erect. Therefore, the simple and portable ejection device of small and medium-sized UAVs has very great application prospects and use value. Contents of the invention [0003] In order to solve the...

AI Technical Summary

Problems solved by technology

However, there are still some limitations in the use of drones. The take-off of drones is often limited by the site and needs to rely on flat runways

At present, the commonly used methods are hand throwing and ejection. However, when the wingspan and weight are slightly larger, the hand throwing method can no longer be adopted; and the ejection device is often bulky and inconvenient, and it is difficult to use and set up.

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