Bolting tightening mobile manipulator of steel structure and bolting tightening method thereof

A movable manipulator robot is provided to transfer a steel frame in an accurate location for assembling a bolt and assemble the bolt, thereby performing a bolting task precisely and minimizing a construction period. A movable manipulator robot comprises the following units. A carriage unit(1) located in a lower part of a movable manipulator robot moves in a horizontal direction. A rising-and-falling unit(2) positioned in a lower part of the carriage unit moves in a vertical direction. A controller for a bolting tool position(3) controls a position of a bolting tool(4). The bolting tool formed in a lower part of the controller for a bolting tool position bolts steel frames. A controller(5) controls all apparatuses in a wire or wireless mode from a distance.