Steel bar planting mechanism

The utility model discloses a steel bar planting mechanism. According to the steel bar planting mechanism, a connection sleeve (2) is arranged at the top of a steel bar (5) and is internally provided with an internal thread (3); an external thread (4) is arranged at the connecting part at the top of the steel bar (5); an expansion bolt (1) is arranged at the other end of the connection sleeve (2). Compared with the prior art, the steel bar planting mechanism adopts physical steel bar planting instead of previous chemical steel bar planting; when the steel bar is planted, base materials including concrete, a wall body, a rock and the like are drilled, then the expansion bolt (1) is arranged into holes and is screwed up by the connection sleeve (2), a special wrench is used for screwing one part with the thread of the steel bar into the connection sleeve (2), and the construction of the next procedure can be carried out without waiting, so that the time is saved, and the working efficiency is improved; furtherm