Embedded assembly type profile steel waist beam

The utility model belongs to the technical field of constructional engineering, and particularly discloses an embedded assembly type profile steel waist rail which comprises a waist rail part, a connecting part and an anchoring part, the waist rail part comprises a plurality of profile steel arranged in parallel, and reserved hole positions for anchor rods to pass through are formed between adjacent profile steel. The plurality of profile steels are detachably connected, the connecting part comprises an arc-shaped connecting plate, the arc-shaped connecting plate is fixed at the end parts of the profile steels, a plurality of bolt holes are formed in the arc-shaped connecting plate, the anchoring part comprises an anchoring base plate and an anchorage device, an anchor hole for an anchor rod to penetrate through is formed in the middle of the anchoring base plate, and the anchorage device is fixed on the anchoring base plate. And the anchoring base plate is detachably connected with the profile steel. By the