Large-torque center transmission thickener

The utility model discloses a large-torque center transmission thickener, which relates to the technical field of thickeners, and comprises a driving shaft, the top end of the driving shaft is rotatably provided with a lantern ring, the surface of the lantern ring is fixedly provided with two fixing plates, the side end part of each fixing plate is movably provided with a clamping plate, and the clamping plates are fixedly arranged on the surface of the lantern ring. And a supporting plate is fixedly mounted at the side end part of each clamping plate. According to the large-torque center transmission thickener disclosed by the utility model, a rotating rod is pulled to enable a directional insertion plate to slide in a bearing plate to relieve the vertical and reverse limiting of a supporting plate, and then the supporting plate is pulled upwards to enable the supporting plate to slide in a first groove and a positioning block to slide along the inner side of a second groove, so that the positioning block ca