Dragline apparatus

Details Dragline apparatus Dragline apparatus

E - Fixed Constructions

21

C

212/31

E21C 47/00 (2006.01) E02F 1/00 (2006.01) E02F 3/00 (2006.01) E02F 3/46 (2006.01) E02F 3/48 (2006.01) E02F 3/60 (2006.01) E21C 41/00 (2006.01)

Patent

CA 1288735

ABSTRACT Method of excavating overburden from a mineral or coal deposit seam using a low wall winch component, a high wall winch component and a hoe. The hoe is attached to the low wall winch component by one or more draglines and the hoe is attached to the high wall winch component by a tail line. The method includes the steps of: (i) moving the hoe by tensioning of the draglines by the low wall winch component through overburden created by preliminary drilling and blasting to move said overburden away from the mineral or coal deposit seams in one or more traverses wherein overburden is loaded onto the hoe and subsequently dumped onto a spoil bank; and (ii) moving the hoe at the end of the or each traverse back to the starting point of the traverse by untensioning of the draglines by the low wall winch component and tensioning of the tail line by the high wall winch component. There is also included dragline apparatus including the aforementioned low wall winch component, high wall winch component, and the hoe.

519405

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