Working face corner coal recovery hydraulic support

• Main Authors: WANG DONGLIANG, MAO QINGFU, GUO JINXING, WANG XIAOGUANG, KONG FANFU, TIAN DELIANG, ZHANG YANG
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a working face corner coal recovery hydraulic support, which belongs to the technical field of corner coal recovery hydraulic supports and comprises a base, main support jacks are symmetrically mounted on two sides in the base, and a protection mechanism is mounted above the outer sides of the main support jacks and comprises lower fixing seats fixed on the main support jacks. The protection mechanism is arranged, the lower fixing base in the protection mechanism is installed on the main supporting jack, and after the position of the hydraulic support is adjusted by a worker, the worker takes the upper fixing base according to the working state of the main supporting jack, so that the upper fixing base is adsorbed and fixed to the top beam, and the upper fixing base can be fixed through bolts; therefore, the dustproof sleeve can be located on the outer side of the movable end of the main supporting jack, dust is prevented from being attached to the movable end in an auxiliary mode,