Hydraulic support for soft rock working surface

The utility model discloses a hydraulic support for a soft rock working surface. The hydraulic support comprises a base and a top beam horizontally arranged, a shield beam and a rear connecting rod are connected in sequence between an end part of the base and an end part of the top beam, and a front...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIU JUNFENG, MENG ERCUN, LIU RUI, XU PING, LIU YONGLIANG, YAN JIANJUN, WANG GUOFA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses a hydraulic support for a soft rock working surface. The hydraulic support comprises a base and a top beam horizontally arranged, a shield beam and a rear connecting rod are connected in sequence between an end part of the base and an end part of the top beam, and a front connecting rod is provided between the shield beam and the base. A column is also provided between the top beam and the base, wherein, the front end part of the top beam is provided with a telescoping beam, the telescoping beam is sleeved in the top beam, two sides of the top of the top beam are provided with side guard plates, and pushing devices are connected between the side guard plates and the top beam. The telescoping beam and the side guard plates are provided on the top beam for the hydraulic support for the soft rock working surface, the supporting effect is improved, the reduction of the volume of the top beam and the transportation of the top beam of large mining depth mines are facilitated, the reducti