| 摘要 |
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 |
