FIELD: mining industry.
SUBSTANCE: device has body, working implement, striding mechanism of driving portion with support plate and side shoes, force hydraulic cylinders, pump station. Side shoes are made in form of arrow-shaped supports. These are jointly fixed to combine body with possible rotation in two perpendicular vertical and horizontal planes. Moving portions of turning joints of arrow-shaped supports in vertical plane are coaxially interconnected in pairs by connection sleeve for connection and disconnection thereof under given conditions.
EFFECT: simplified construction, higher productiveness.
7 cl, 5 dwg
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Authors
Dates
2005-01-20—Published
2003-09-04—Filed