Multifunctional unmanned aerial vehicle undercarriage

The embodiment of the invention discloses a multifunctional unmanned aerial vehicle undercarriage in the technical field of unmanned aerial vehicles. The multifunctional unmanned aerial vehicle undercarriage comprises a main support, side supports are fixed in the middles of the two sides of the main support, steering seats are fixed at the lower ends of the side supports, first steering interfaces are formed in the steering seats, steering shaft levers are inserted into the two sides of the first steering interfaces in a penetrating manner, a first forward and reverse rotation motor is fixedto the middle of the top of the main support, an adjusting lead screw is rotatably connected to the middle of the bottom of the main support in a clamped mode, a lifting base is connected to the adjusting lead screw in a threaded mode, second steering connectors are formed in the two sides of the lifting base, and steering rods are inserted between the first steering connectors and the second steering connectors. Through