Gravity center self-balancing special-shaped hydraulic support for large-dip-angle coal seam pseudo-dip working face

• Main Authors: CAO JIANLI, WU YONGPING, YAN ZHUANGZHUANG, SUN MINGMING, YANG YUBING
• Format: Patent
• Language: Chinese; English
• Published: 29.10.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses a gravity center self-balancing special-shaped hydraulic support for a large-dip-angle coal seam pseudo-dip working face. The gravity center self-balancing special-shaped hydraulic support comprises a top beam, a shield beam, a tail beam, a base, a stand column and a front connecting rod, the top beam and the base are oppositely arranged up and down and are in supporting connection through the stand column, and the two ends of the stand column are hinged to the top beam and the base respectively; the front connecting rod is arranged close to the inner side of the tail beam and located between the stand column and the tail beam, the bottom end of the front connecting rod is hinged to the tail of the base, the top end of the front connecting rod is hinged to the tail of the shield beam, the shield beam, the tail beam, the base and the front connecting rod jointly form a four-connecting-rod mechanism; top beam side protection plates are hinged to the left side and the right side of the to