Top beams of hydraulic support side guard plate thrust gear

The utility model discloses a top beams of hydraulic support side guard plate thrust gear, including the back timber body, set up the left side backplate and the right side backplate on back timber sinistron, right side to and the setting pushes away the jack in the internal side of back timber, the side push away the jack for the symmetry the horizontal left and right level of the body sets up inback timber body central line along the back timber two, the left side pushes away that tailpiece of the piston rod portion that jack and right side pushed away the jack all is located back timber body central line position and respectively through lockpin and back timber body coupling, the left side pushes away block end that jack and right side pushed away the jack and articulates mutually through the one end of round pin axle and the left side derivation pole that corresponds, right side derivation pole respectively, the other end of left side derivation pole and right side derivation polepasses through the sleeve