Supporting device capable of conveniently adjusting supporting area for soft rock tunnel

• Main Authors: LIU DONG, MA HAILIANG, ZHANG CHUNGANG, LIAO SHUBAI, XIE ZHIHUI, FAN ZHANDONG, ZENG LIREN
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to the technical field of soft rock tunnel supporting, in particular to a soft rock tunnel supporting device facilitating supporting area adjustment, which comprises a shell, an adjusting mechanism is arranged in the shell, and the adjusting mechanism comprises an extension plate, a bidirectional screw rod, a first sliding block, a scissor rod assembly, a second sliding block and a motor. Two-way lead screws are rotatably connected to the interiors of the two sides of the shell correspondingly, extending plates are slidably connected to the positions, located on the two sides of the two-way lead screws, in the shell, two first sliding blocks are in threaded connection with the outer sides of the two-way lead screws, scissor rod assemblies are arranged between the two-way lead screws and the extending plates, and second sliding blocks matched with the two first sliding blocks are slidably connected to the opposite sides of the two extending plates correspondingly. The shell is moved i