Patent classifications
E21F13/083
HIGHWALL MINING EQUIPMENT RETRIEVAL AND EXTRACTION APPARATUS
An extraction and retrieval apparatus for highwall mining equipment which includes a mining head engaged with and proceeded by a series of push beams The apparatus includes a retriever platform having wing braces for bracing the retriever platform against a mine highwall and a hydraulic assembly is mounted on the retriever platform and includes at least a spaced pair of stop blocks securable to the retriever platform at multiple different positions therealong. The hydraulic assembly further includes a pull beam slidable along the retriever platform and having a connection for connecting the pull beam to an outer most exposed push beam of the mining equipment. A spaced pair of hydraulic cylinders are disposed between the pair of stop blocks and the pull beam for pulling a connected mining push beam together with attached mining equipment from the mine shaft.
EXCAVATED MATTER CONVEYANCE SYSTEM INSIDE DRIFTWAY
This excavated matter conveyance system inside a driftway includes a first vehicle that is capable of traveling inside a driftway, a first conveyor that is supported by an upper portion of the first vehicle and is capable of conveying excavated matter in a first conveyance direction intersecting an upward-downward direction of the first vehicle, a second vehicle that is coupled to the first vehicle in a swingable manner, a second conveyor that is supported by an upper portion of the second vehicle and is capable of conveying the excavated matter in a second conveyance direction intersecting an upward-downward direction of the second vehicle, and movement apparatuses that are capable of relatively moving the first conveyor and the second conveyor.