Double-rod folding type unmanned aerial vehicle arm

The invention discloses a double-rod folding type unmanned aerial vehicle arm which comprises a vehicle body; a machine arm which comprises a connecting rod, wherein the connecting rod is provided with a hinge shaft, the hinge shaft is hinged to the machine body, the connecting rod is provided with a first end and a second end, and the hinge shaft is located between the first end and the second end; a spring bolt arranged at the first end; a rotor wing arranged at the second end; a limiting seat which is arranged on the vehicle body, wherein a limiting groove is formed in the limiting seat, and the limiting groove is located on the rotating track of the first end; and a locking mechanism which is connected to the limiting base and is located on the rotating track of the spring bolt; wherein when the first end rotates into the limiting groove, the limiting groove limits the freedom degree of up-down movement of the first end, the locking mechanism is connected with the spring bolt in a matched mode, and the lo