Shaft mucker
First Claim
1. In a shaft mucker for mucking in declined shafts comprisingan elongated machine frame having a fore end and a rear end,non-track-bound wheels attached to said frame for carrying and supporting said frame and said mucker upon the foot wall of a declined shaft,a mucking assembly and a bucket carried by said mucking assembly,a pivotal support means arranged substantially perpendicularly to the machine supporting foot wall at the forward extremity of said fore end of said machine frame for pivotally supporting said mucking assembly,means for pivotally moving said mucking assembly and said bucket transversely about said pivotal support means,said mucking assembly including means for extending and retracting and for raising and lowering said bucket with respect to said frame,anchoring means comprising support legs hydraulically extendable and withdrawable in the machine frame for anchoring the machine against the walls of the shaft during mucking and including at least one leg for engagement with the hanging wall of the shaft and at least one leg for engagement with the shaft foot wall,a winch drum mounted at the rear end of said machine frame,means for driving and operating said winch drum from said mucker for controllably lowering the mucker into a declined shaft and for raising the mucker by means of an associated cable.
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Accused Products
Abstract
A mucker for declined shafts supported on non-trackbound wheels and including a mucking assembly pivotally supported at the forward extremity of the machine frame and carrying a bucket for transverse pivotal movement for loading a skip. The mucker includes a built-in winch, and legs hydraulically extendable to the hanging wall and foot wall for anchoring purposes.
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Citations
12 Claims
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1. In a shaft mucker for mucking in declined shafts comprising
an elongated machine frame having a fore end and a rear end, non-track-bound wheels attached to said frame for carrying and supporting said frame and said mucker upon the foot wall of a declined shaft, a mucking assembly and a bucket carried by said mucking assembly, a pivotal support means arranged substantially perpendicularly to the machine supporting foot wall at the forward extremity of said fore end of said machine frame for pivotally supporting said mucking assembly, means for pivotally moving said mucking assembly and said bucket transversely about said pivotal support means, said mucking assembly including means for extending and retracting and for raising and lowering said bucket with respect to said frame, anchoring means comprising support legs hydraulically extendable and withdrawable in the machine frame for anchoring the machine against the walls of the shaft during mucking and including at least one leg for engagement with the hanging wall of the shaft and at least one leg for engagement with the shaft foot wall, a winch drum mounted at the rear end of said machine frame, means for driving and operating said winch drum from said mucker for controllably lowering the mucker into a declined shaft and for raising the mucker by means of an associated cable.
Specification