Medium voltage room for a mining shovel
AssigneeJoy Global Surface Mining Inc
InventorsJoseph Colwell, Joshua Vizanko, Donald Daniel, Owen Warr
Life of this patent
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Abstract
A mobile mining machine includes a base with a deck and a counterweight box, a hoist drum supported on the deck, a motor drivably coupled to the hoist drum, a main transformer configured to supply power to the motor, an auxiliary transformer, and an electrical room coupled to the base. The main transformer and the auxiliary transformer are positioned inside the electrical room, and the electrical room contains at least one unguarded electrical connection.
Claims20
A mobile mining machine comprising:
- a base including a deck and a counterweight box;
- a hoist drum supported on the deck;
- a motor drivably coupled to the hoist drum;
- a main transformer configured to supply power to the motor;
- an auxiliary transformer;
- and
- an electrical room coupled to the base,
- wherein the main transformer and the auxiliary transformer are positioned inside the electrical room, and
- wherein the electrical room contains at least one unguarded electrical connection.
A mobile mining machine comprising:
- a base including a deck and a counterweight box;
- a main housing coupled to the deck;
- an electrical room including
- a plurality of walls,
- a roof, and
- an access door configured to permit an operator to enter the electrical room;
- a transformer positioned inside the electrical room;
- and
- a loadbreak switch associated with the transformer and positioned inside the electrical room.
An electrical room for a mobile mining machine, the electrical room comprising:
- a plurality of side walls;
- a roof interconnected with the plurality of side walls;
- a main transformer disposed within the electrical room and configured to supply power to a first plurality of external loads;
- an auxiliary transformer disposed within the electrical room and configured to supply power to a second plurality of external loads;
- and
- a plurality of loadbreak switches disposed within the electrical room,
- wherein the electrical room contains a plurality of unguarded electrical connections.
Dependencies are inferred from the claim text.