Advanced support device for top and bottom plates of soft rock

The invention relates to the technical field of mine supporting equipment, and discloses a forepoling device for soft rock top and bottom plates, which comprises a supporting base and supporting equipment, the supporting equipment is arranged above the supporting base, a supporting top is arranged above the supporting equipment, a movable shaft is arranged outside the supporting base, and the movable shaft is connected with the supporting base. An auxiliary supporting mechanism is arranged in the supporting base and comprises a long gear, a toothed bar, a fixing hole, a rotating seat, a linkage rod, a first bevel gear and a second bevel gear, a first supporting plate and a second supporting plate are arranged outside the supporting base, and a fixing mechanism is arranged in the supporting base. The fixing mechanism comprises a first fixing rod, a second fixing rod, a fixing groove, a first fixing block, a second fixing block and a spring, the auxiliary supporting mechanism can prevent the whole supporting ba