Liftable horse stool for building partition wall of indoor elevator shaft

The utility model discloses an indoor elevator hoistway partition wall masonry liftable horse stool, which comprises an angle steel horse stool, four groups of mounting sleeves are welded at the top of the angle steel horse stool, steel protection frames are clamped in the two groups of mounting sleeves in the front, and connecting hanging rings are welded at four corners of the top of the angle steel horse stool. According to the indoor elevator shaft partition wall masonry liftable split heads, welded square tube split heads are erected on the side edge of a shaft structural beam and clamped on the structural beam below an elevator door opening through a right angle formed by the outward extending length of 20 cm and the downward protruding length of 10 cm of the split heads, and the other side of the split heads and a shear wall opposite to the elevator door opening form a right angle through a right angle formed by the upward protruding length of 20 cm. The whole horse stool is erected, the whole horse st