Safety protection device for shield tunnel excavation

• Main Authors: HUA ZHAOYI, WEI YANRUI, ZHANG YUE, LI ZHEN, ZHANG HAITAO, JI HONGFEI, WANG CHAO, WEI SHAOGUANG, SONG JUNLING
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses a safety protection device for shield tunnel excavation, and belongs to the technical field of tunnel construction, the safety protection device comprises a mounting base, a second rack, a third chute, a first slide block, a support assembly, a support base plate, a first side plate, a hydraulic assembly, a mounting side plate, a second clamping groove, a fixing assembly and a clamping assembly, and the second rack is arranged on the upper surface of the mounting base; a third sliding groove is formed in the bottom of the mounting base and slidably connected with a first sliding block, the supporting assembly is mounted at the bottom of the first sliding block, the supporting base plate is mounted below the left side and the right side of the mounting base, a hydraulic assembly is connected below the first side plate, a second clamping groove is formed in one end of the mounting side plate, and a fixing assembly is inserted into the second clamping groove. And a clamping assembly is ar