Compound absorbing timber apron that gives sound insulation of concatenation

The utility model discloses a compound absorbing timber apron that gives sound insulation of concatenation relates to plank technical field. Including first plank and second plank, a first plank fixedsurface has a set of slider, and a second plank opposite flank all is fixed with the acoustic celotex board, and open on an acoustic celotex board surface has a plurality of holes, and a second plankopposite flank all is fixed with a plurality of pillars and a plurality of spring, and the ring spring is around setting up at the pillar surface. The utility model discloses a set up a set of T shape slider on first plank, it has T shape spout to open on the billet that a second plank opposite flank was fixed, the first plank that makes splices with the second plank is in the same place, the complex of neotype timber apron has been accomplished, make timber apron weight reduce, through set up a plurality of pillars and a plurality of spring on the second plank, make the timber apron have theshock attenuation effect,