A linear self-locking tail retractable buffer device

A buffer device and self-locking technology, applied in the field of unmanned aerial vehicles, can solve problems such as the influence of equipment service life and attendance rate, reduce the buffering efficiency of the tail of the fuselage, and touch the ground of the tail propeller, so as to ensure the ground clearance of the tail, Ensure the safety of the body and equipment and reduce the effect of recycling overload
CN109808873BActive Publication Date: 2022-05-27NORTHWESTERN POLYTECHNICAL UNIV +1
7 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHWESTERN POLYTECHNICAL UNIV
Publication Date
2022-05-27

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a linear self-locking retractable tail buffer device, which is composed of an electric actuator, a slideway assembly, a shock absorber and a tail rocker arm; connect. The slideway assembly is arranged at the body tail, and the shock absorber sliding pin slides along the slideway in the slideway assembly. The tail rocker ear piece is connected with the body tail. There is a connecting hole on the tail rocker arm to connect with the shock absorber through the shock absorber connecting pin. When the UAV is launched, the electric actuator pulls the tail of the shock absorber to slide along the slideway, and drives the tail rocker to rotate upwards to reduce the aerodynamic resistance during flight. When the UAV enters the recovery route, the electric actuator pushes the shock absorber to slide backward along the slideway, and the shock absorber drives the tail rocker to rotate downward. When the angle between the axis of the shock absorber and the axis of the chute in the slideway assembly is greater than At 90°, the shock absorber and the rear rocker are in a self-locking state. When landing, the tail rocker arm rotates upwards to compress the shock absorber to realize the function of shock absorption and buffering.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of unmanned aerial vehicles, in particular to a linear self-locking tail retractable buffer device. Background technique

[0002] The parachute UAV has strong maneuverability, and the recovery site is not restricted by the airport, so it is widely used in the UAV system equipment of various countries. However, the parachute UAV is limited by the steady descent speed of the parachute, and the grounding speed during the recovery process is generally higher than that of the general sliding UAV. Therefore, the landing buffer device of the parachute UAV generally requires a long buffer stroke.

[0003] The skid shock absorber is the mainstream grounding buffer device for parachute UAVs at present. It has the characteristics of large buffer stroke, strong ground adaptability, and emergency gliding. Due to its mission requirements, parachute UAVs are often loaded with high-value airborne reconnaissance equipment ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More