Second-hand car chassis detection device

The invention provides a second-hand car chassis detection device, which relates to the field of second-hand car evaluation, and comprises a base plate, a supporting rod is fixed on the base plate, a telescopic piece sleeves the supporting rod, the telescopic piece is composed of a plurality of groups of scissor connecting rods, a bottom detection shooting piece is detachably fixed on the group of scissor connecting rods at the outermost end, and a telescopic driving assembly is arranged on the group of scissor connecting rods at the innermost end. Comprising a set of foot sleeves and a first spring, the foot sleeves are arranged at the two ends of a scissor connecting rod at the innermost end, the first spring is arranged between nodes of the two scissor connecting rods, a telescopic piece is further connected with a movable sleeve rod, the movable sleeve rod is arranged on a supporting rod in a sleeving mode and driven by a movable assembly to move on the supporting rod, and a displayer support is further a