Positioning device for bar planting position of bottom beam

The utility model relates to the technical field of construction equipment, and particularly discloses a positioning device for a steel bar planting position of a bottom beam. According to the technical scheme, the device comprises a supporting rod and a supporting seat, the supporting seat comprises a sleeve, supporting legs and a transverse rod, the supporting rod is sleeved with the sleeve, pulleys are arranged at the bottom ends of the supporting legs, the top ends of the supporting legs are movably connected with the sleeve, one end of the transverse rod is movably connected with the supporting legs, and the other end of the transverse rod is movably connected with the bottom of the supporting rod; a supporting frame is arranged on the upper portion of the supporting rod and comprises a first support, a vertical rod, a push rod and a movable handle, the first support is arranged at the top of the vertical rod, the bottom of the vertical rod is sleeved with the supporting rod, the push rod is arranged on