The present invention relates to an upper-lower dual-drive high-torque gear box for twin-screw extruders, belonging to the field of transmission box equipment. The gear box comprises a box body and bearing transmission parts including an input bearing, an upper output bearing and a lower output bearing, all mounted in the box body. The input bearing meshes with the upper output bearing, and the upper input bearing meshes with the lower output bearing. The gear box further comprises an oil collecting box; a mounting groove is formed at the bottom of the box body, the oil collecting box is arranged in the box body through the mounting groove and can seal the opening of the mounting groove, and a flow guide piece is mounted on the oil collecting box to prevent lubricating oil from entering the gap between the oil collecting box and the side wall of the box body. The present invention facilitates cleaning of the oil collecting groove inside the gear box.
Area Code: CN
Application Number: CN202411352555.2
