Modal test stand of adjustable automobile steering system

The invention relates to a modal test stand of an adjustable automobile steering system. The modal test stand of the adjustable automobile steering system comprises a base plate, two first installation supports, two second installation supports and a third installation support, wherein the supports are installed on the base plate and can move back and forth on the base plate, a first installation tubular column is erected between the first installation supports, a first connecting piece is arranged on the first installation tubular column, and a first steering tubular column installation plate is fixedly arranged on the first connecting piece; a second installation tubular column is erected between the second installation supports, a second connecting piece is arranged on the second installation tubular column, and a second steering tubular column installation plate is fixedly arranged on the second connecting piece; a sliding plate is arranged on the third installation support, and a steering gear installation block is arranged on the sliding plate. The modal test stand of the adjustable automobile steering system has the advantages of being simple in structure, easy to operate and realize, high in universality, and capable of guaranteeing the reliability and accuracy of a modal test.