FULL-FACE MACHINE Russian patent published in 2008 - IPC E21C27/24 E21D9/87 

Abstract RU 2324052 C1

FIELD: mining; apparatus for making arched tunnels in underground mining of minerals.

SUBSTANCE: machine includes frame whereon an undercarriage and working element drive gearbox are mounted together with a rotary working head being attached to output shafts of said gearbox. The working head consists of borer, pitching borer, cross element, each end of its arms having a loading bucket with a bottom and sidewalls, and conveyer. The front face bottoms of two loading buckets positioned on opposite arms of said cross element are slopped forward with respect to the machine displacement vector, and those of the other buckets - slopped backward with respect to the same vector.

EFFECT: cleaning-up with the full engagement of the bucket cross-section area; reduction of impact loads for the cross element; reduction of heating and increased wear of the bearings in the working head drive gearbox of the machine.

7 dwg

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RU 2 324 052 C1

Authors

Prushak Viktor Jakovlevich

Ishchenko Marina Viktorovna

Prushak Artem Viktorovich

Prushak Nina Vladimirovna

Ishchenko Roman Vladimirovich

Dates

2008-05-10Published

2006-09-19Filed