Positioner of heavy tracked vehicle track pin axle

The utility model provides a positioner of heavy tracked vehicle track pin axle, including grip -pad (1), round pin axle (4), pin (2) and cydariform screw (3), round pin axle (4) sets up in the pinhole, the mounting hole of grip -pad (1) is located in pin (2) vertical inserting, cooperate with it in the internal thread of cydariform screw (3) wrong go into to pin (2). Compared with the prior art,the utility model discloses a cydariform screw advances line location to the axial of track pin axle, has avoided making form and position error, installation error and long -term and has used back grip -pad and round pin shaft distortion etc. To the influence of spacing department contact surface, can have comparatively ideal contact surface to bear round pin axle along axial drunkenness power all the time, avoids resulting in falling piece or part failure because of the stupefied contact in limit or extrusion produce local stress concentration to not hard up the droing of round pin axle haseffectively prevented. Thi