Fully-mechanized caving coal mining work face open-off cut installation hydraulic support adjusting frame device

• Main Authors: WANG LIBAO, MA HONGJIAN, ZHOU ZHONGPENG, GAO KUN, ZHAO DEYA, LI ZHAOSHUI, ZHANG YANWEI, SI DESHAN, LU QUANJIN, CAO YUNQIN, DU HONGSHENG, HAN ZHAOQING
• Format: Patent
• Language: Chinese; English
• Published: 12.11.2014
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

A fully-mechanized caving coal mining work face open-off cut installation hydraulic support adjusting frame device solves the problems of unloading, rotating and adjusting of a support entering an open-off cut and comprises a bottom disk, a rotating platform, a transition platform, a transition platform guide groove and a hydraulic system. The bottom disk comprises box bodies arranged on the two sides of the bottom disk and an I beam, wherein the I beam is connected between the box bodies through bolts, a connecting rail is laid on the I beam, a push seat is arranged at the right ends of the two box bodies, an unloading frame jack is hinged to the push seat through a phi50 pin shaft, and a push cap is hinged to a piston rod of the unloading frame jack. The fully-mechanized caving coal mining work face open-off cut installation hydraulic support adjusting frame device emphatically solves the problems of unloading, rotating and adjusting of the support entering the open-off cut and changes a frame adjusting met