ADVANCING MECHANISM FOR SUPPORT AND CONVEYER SECTION Russian patent published in 2004 - IPC

FIELD: mining industry, particularly for underground coal production with the use of mechanized system.

SUBSTANCE: device includes base comprising rails connected by beam in bottom-hole area, support, conveyer, guiding means fixed to conveyer, displacement hydraulic cylinder with one end fixed to support and another end connected to guiding means. Device also has slider movably connected to base and cooperating with guiding means. Beam comprises orifice for slider movable installation. Plate with fixedly connected support is arranged on slider. Support has slot for pivotally connecting thereof with displacement hydraulic cylinder. Base may include movable clamp with limiters. Clamp is installed in additional orifices formed in beam. Slider is made as lifting hydraulic cylinder having rod cooperating with clamp. Groove may be formed in plate. Slider and barrel of lifting hydraulic cylinder have shoulder.

EFFECT: increased operational reliability.

3 cl, 5 dwg