Shear-type opening and closing muck front gate structure of shield tunneling machine

• Main Authors: REN JIE, LU QINGLIANG
• Format: Patent
• Language: Chinese; English
• Published: 15.11.2019
• Subjects: CONVEYING; EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; HANDLING THIN OR FILAMENTARY MATERIAL; LARGE UNDERGROUND CHAMBERS; MINING; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHAFTS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING; TUNNELS

The utility model discloses a shear type opening and closing muck front gate structure of a shield tunneling machine. The front gate structure is installed at the joint of a front shield partition plate and a spiral machine base of the shield tunneling machine and comprises a first gate, a second gate, a first connecting plate, a second connecting plate, a first hydraulic cylinder and a second hydraulic cylinder, and the first gate, the second gate, the first hydraulic cylinder and the second hydraulic cylinder are installed on the two sides of the front shield partition plate respectively. The tops of the gate I and the gate II are respectively connected with the corresponding connecting plate I and connecting plate II through pin shafts I; the lower end of the first connecting plate andthe lower end of the second connecting plate are hinged to the corresponding first hydraulic cylinder and the corresponding second hydraulic cylinder through second pin shafts respectively, and the first hydraulic cylinder an