Apparatus of positon calibration for increase of salvage power

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting force-increasing posture correcting apparatus for correcting the posture of a working apparatus so that a working apparatus can lift a lifting force of lifting an object, and more particularly, The present invention relates to a lifting force-increasing posture correcting apparatus that can increase the lifting force by correcting the posture of the second boom and the arm during a lifting operation with a working device made of a working tool.