Swing drive assembly

Details Swing drive assembly Swing drive assembly

E - Fixed Constructions

02

F

E02F 9/12 (2006.01) E02F 3/28 (2006.01) E02F 3/30 (2006.01) E02F 3/46 (2006.01) E02F 9/20 (2006.01) E21C 31/00 (2006.01)

Patent

CA 2358258

A swing drive assembly for use with a mining shovel having a frame rotatable relative to a base, wherein the swing drive assembly is fixed to the frame and engages a ring gear fixed to the base to rotatably drive the mining shovel frame relative to the mining shovel base. The assembly includes a swing girder having a top wall and bottom wall joined by a back wall. At least one strut having a top end extends upwardly from the top wall, and an attachment point is proximal said strut top end for fixing the swing drive assembly to the flame. At least one attachment point is proximal one end of the top wall, and at least one attachment point is proximal an opposing end of the top wall, wherein the girder is fixable to a mining shovel frame at each of the attachment points. Preferably, each attachment point is fixed to the mining shovel frame with at least one bolt. Most preferably, the swing girder is mounted to the frame, and hangs below the frame to engage the ring gear.

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