Automobile luggage rack capable of being quickly assembled

The invention relates to the technical field of automobile accessories, and in particular relates to an automobile luggage rack capable of being quickly assembled. The automobile luggage rack comprises a pair of bottom supports fixed at the top of an automobile in a threaded connection manner, at least one pair of cross beams are slidably mounted between the bottom supports, at least six first positioning holes are formed in the bottom supports in a linear array manner, and positioning screw knobs which are inserted and fixed with the first positioning holes are mounted on the cross beams in a screw joint manner. The automobile luggage rack has the beneficial effects that a basic luggage supporting base can be formed through the bottom supports, the cross beams and a top supporting plate, and then side face guardrails, adjustable guardrails and sealing doors which can be assembled and disassembled in a modularized mode are installed at the corresponding positions according to the transportation requirement of