Parallel-shaft quad-rotor aircraft with rotatable aircraft arm shafts

Abstract

Disclosed is a parallel-shaft quad-rotor aircraft with rotatable aircraft arm shafts. The parallel-shaft quad-rotor aircraft with the rotatable aircraft arm shafts comprises an aircraft body in the middle, four propeller mechanisms, flight control modules and a battery. The aircraft body is formed by an upper shell and a lower shell in a screw connection mode. The four propeller mechanisms comprise four brushless motors with code discs, and the four aircraft arm shafts, wherein the brushless motors are fixedly arranged in a cavity structure formed inside the upper shell and the lower shell, and every two adjacent aircraft arm shafts are arranged in a parallel mode. A motor shaft of each brushless motor with the corresponding code disc is connected with one end of the corresponding aircraft arm shaft through a set screw, and the other end of each aircraft arm shaft is connected with a propeller motor and a propeller through a motor sleeve. The flight control modules and the battery are connected with the propeller motors and the brushless motors with the code discs through circuits, and are used for controlling the flight state of the quad-rotor aircraft by adjusting the positioning angles of the four aircraft arm shafts and the rotating speed of the propellers. According to the invention, the parallel-shaft quad-rotor aircraft saves the space, is easier and more sensitive to control, and convenient to carry, can preferably adapt to various kinds of complex terrain, and has the good self-protection capacity.

Description

technical field [0001] The invention belongs to the technical field of aircraft, and in particular relates to a parallel-axis four-axis aircraft with rotatable arm shafts. Background technique [0002] A quadcopter, also known as a four-rotor aircraft, is a multi-rotor aircraft. Quadcopter is a relatively common small aircraft, widely used in military reconnaissance, resource detection, post-disaster search and rescue, civil aerial photography, event aerial photography, traffic patrol, etc. Most of the arms of the existing quadcopters are of integral structure, and are integral with the fuselage, and are mostly molded; The arm pin is connected between the upper and lower wall panels. The four arms of the existing quadcopter are basically arranged in a cross shape or an X shape. By changing the speed of the four propeller motors, the force of lifting, advancing, and rotating the fuselage is obtained, thereby adjusting its own attitude. However, in order to achieve various ...

AI Technical Summary

Problems solved by technology

However, in order to achieve various flight attitudes, it is relatively difficult to determine the ratio of the speed ratio of the four propeller motors and to control the speed of the four propellers, and it is prone to loss of control; in addition, the cross-shaped or X-shaped layout of the four arms takes up The large space limits the quadcopter's ability to deal with complex terrain, making the quadcopter's acceleration and emergency deceleration performance relatively poor, and it is inconvenient to carry

Images