Pre-burying device of pipeline support of profiled steel sheet composite floor and pipeline support

The utility model provides a pre-burying device of a pipeline support of a profiled steel sheet composite floor and the pipeline support. The pre-burying device comprises a stress plate, a supporting structure and a pre-burying rod. The stress plate is horizontally arranged in the floor, and a first fixing hole is formed in the stress plate; the supporting structure comprises a horizontal supporting plate and an inclined supporting plate; the bottom end of the inclined supporting plate is arranged on the top face of a profiled steel plate of a floor slab. A second fixing hole is formed in the horizontal supporting plate; the top of the embedded rod penetrates through the second fixing hole and the first fixing hole, a first fixing structure is arranged at the position, above the first fixing hole, of the top of the embedded rod, and a second fixing structure is arranged at the position, below the second fixing hole, of the top of the embedded rod. And the lower part of the embedded rod is arranged outside the