Henan Mine Obtained The Patent for "A Special Crane for Roller Handling."

The information from the China National Intellectual Property Administration shows that Henan Mine Crane Co., Ltd. and Henan Kengyuan Mining Crane Research Institute Co., Ltd. have obtained a patent titled "A Special Crane for Roller Transportation" with the authorization announcement number CN121698226A, filed on February 2026.

The patent abstract indicates that this invention features a simple structure and user-friendly operation. It describes a specialized crane for rolling mill roller handling, which includes a crane gantry. At both ends of the crane gantry, there are trolley walking mechanisms. At the top of the crane gantry, a hoisting trolley is installed, beneath which is a lifting device. Additionally, the crane gantry is equipped with an electrical control system. The lifting device consists of a lifting beam, with a pulley assembly at the top of the beam. Between the lifting beam and the hoisting trolley, there is a guiding mechanism. It also includes a lead screw, where the power output shaft of the displacement motor is connected to the power input shaft of the reducer. A support block is threaded onto the lead screw, and a support plate is fixed to the lifting beam above the lead screw. The upper end of the support block slides on the support plate. Below the support block, there is a gripping device, which comprises a fixed frame. The fixed frame is secured with a toothed disc sliding frame, within which a semi-circular toothed disc can slide. On one side of the toothed disc sliding frame, a support tube is fixed, and the screw is connected to the toothed disc for transmission.