| 摘要 |
The present invention relates to an apparatus for pulling a pin, comprising: an attractor (10) having a connection portion (11) connected to an end portion of a large pin stuck in a structure at one side, having an accommodation space (12) formed in a longitudinal direction therein, and having a striking space (13) formed at an end portion of the accommodating space (12), communicating with the accommodating space (12) and having a diameter smaller than that of the accommodating space (12); a reciprocal striking device (20) installed within the accommodating space (12) of the attractor (10), having a piston (21) inserted into one side thereof and moving forward and backward upon receiving power from the outside, wherein the piston (21) strikes an end portion of the striking space (13), while moving forward and backward in the striking space (13) upon receiving supplied power; and a buffering device (30) installed within the accommodating space (12) of the attractor (10) and having one side connected to the reciprocal striking device (20) to absorb repulsive force according to a forward and backward movement of the piston (21). According to the present invention, since the reciprocal striking device able to generate striking force such as a hydraulic breaker, or the like, is installed within the attractor (10) fixated to the pin and the attractor (10) connected to the pin is moved in a drawn-out direction through a reciprocal movement of the piston of the reciprocal striking device, the large pin firmly fixated to the structure can be easily drawn out. |
