Bottom spacing strip assembly for placing whole stacks of aluminum bars

The invention discloses a bottom spacing strip assembly for placing whole stacks of aluminum bars. The bottom spacing strip assembly comprises bottom wheel spacing strips and bottom fixing spacing strips, and both sides of the bottom fixing spacing strips are provided with a plurality of bottom wheel spacing strips in parallel; each bottom wheel spacing strip comprises a first bottom spacing strip, wheels and wheel mounting plates installed below both ends of the first bottom spacing strip; the wheels are installed in the wheel mounting plates; and each bottom fixing spacing strip comprises a second bottom spacing strip and fixed parts arranged below the second bottom spacing strip and coming into contact with ground, so that the bottom fixing spacing strip is fixed to the ground. The bottom spacing strip assembly disclosed by the invention can move freely along with heating extension or cooling contraction of the aluminum bars; the aluminum bars are prevented from being recessed in the homogeneous process, a