Chinese Company Successfully Developed World's Largest Span Mining Hydraulic Support
2019-03-28 22:37:01.0

<p style="text-align: center;"></p><p style="text-align: center;"><img src="//" title="1553827010711868.jpg" alt="91.jpg" width="587" height="386" style="width: 587px; height: 386px;"/></p><p><br/></p><p>In March 2019, the Chinese company successfully developed the ZY12000/18/50D super-large telescopic ratio cross-border mining hydraulic support.</p><p>&nbsp;</p><p>This product is an innovative equipment specially developed for working faces with large changes in coal seam thickness and the product has subverted the traditional bracket design concept, broken the column expansion ratio limit, adopted 7 innovative patent technologies, namely pressure balance rod type three telescopic column, super large expansion ratio four-bar linkage mechanism, double position balance mechanism, ultra-thin telescopic beam guard, retractable shift frame, knife-type shield beam and lightweight movable link side guard.</p><p>&nbsp;</p><p>The height of the equipment is from 1.8m to 5m, and the expansion ratio is the highest in the world. It can realize cross-border mining of thin, medium and thick coal seams.</p><p><br/></p>