Well drilling inner wall supporting device

• Main Authors: XIANG LI, BU KANG, CHENG JIN, DAI XU
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a well drilling inner wall supporting device which comprises a top plate and two bottom plates, vertical plates are fixedly connected to the middles of the sides, close to each other, of the tops of the two bottom plates, driving mechanisms are symmetrically arranged at the bottom of the top plate, and each driving mechanism comprises a fixing plate fixed to one side of the bottom of the top plate. A numerical control oil cylinder is fixedly connected to one side of the fixing plate, a pushing plate is fixedly connected to the output end of the numerical control oil cylinder, pushing rods are rotationally connected to the two ends of one side of the pushing plate, and the other ends of the two pushing rods are rotationally connected to the vertical plates on the same side. The sliding rail mechanism and the driving mechanism are arranged in a matched mode, when the width of the supporting device needs to be adjusted, the two bottom plates can stretch out and draw back only by start