Automatic skew adjustment device with double four-connecting-rods

The utility model discloses an automatic skew adjustment device with double four-connecting-rods. The automatic skew adjustment device comprises vertical roll extension rods, detection vertical rolls, connecting rods, mounting plates, two groups of casting sleeves, a main beam, rolling bearing sets, a roller support and conical rollers. The detection vertical rolls are mounted at one ends of the vertical roll extension rods, and the other ends of the vertical roll extension rods are connected with the connecting rods through bolts. The casting sleeves are mounted at the other ends of the connecting rods. The mounting plates are welded at two ends of the main beam. The casting sleeves are symmetrically mounted by taking the main beam as the center, and are connected with the main beam and the rolling bearing sets under the roller support. The roller support is mounted on one sides of the casting sleeves, and the conical rollers are mounted on the roller support. The automatic skew adjustment device does not cause any damage to a belt conveyor, and is convenient to mount and demount, safe, reliable and high in skew adjustment efficiency.