Mine roadway three-dimensional lattice reinforced concrete bracket

The invention discloses a mine roadway three-dimensional lattice reinforced concrete bracket. The mine roadway three-dimensional lattice reinforced concrete bracket comprises a three-dimensional reinforcing net frame and a concrete spraying layer, wherein the three-dimensional reinforcing net frame is formed by connecting a top plate bracket and two side wall brackets; the top plate bracket comprises a plurality of unit sheets and a top plate primary bar group consisting of a plurality of parallel top plate primary bars, and the unit sheets are vertical to the top plate primary bar group and are distributed at equal intervals; each side wall bracket comprises a plurality of unit sheets and a side wall primary bar group consisting of a plurality of parallel side wall primary bars, and the unit sheets are vertical to the side wall primary bar group and are distributed at equal intervals; each unit sheet comprises a bridge-shaped arc rib and a primary connecting bar, the middle of the bridge-shaped arc rib is fi