Positioning fixture for water-stop belt at end of secondary lining

• Main Authors: XU XINGPENG, YANG HUI, CHEN ZHIQIANG, XIONG CHENGYU, ZHU JIBIN
• Format: Patent
• Language: Chinese; English
• Published: 18.12.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a secondary lining end water-stop belt positioning fixture which comprises a shaping steel plug, a waterproof belt base plate is arranged on the shaping steel plug, a middle-buried waterproof belt is arranged on the waterproof belt base plate, a strip-shaped groove with the same shape as the middle-buried waterproof belt is formed in the waterproof belt base plate, a wood plug is arranged on the middle-buried waterproof belt, and the middle-buried waterproof belt is provided with a wood plug. The positioning clamp further comprises a positioning steel bar and a limiting assembly, the positioning steel bar is C-shaped, a transverse groove for installing the positioning steel bar is formed in the waterproof belt base plate, the two ends of the positioning steel bar are fixed in a concave opening formed in the wood plug, the limiting assembly is arranged above the concave opening, the limiting assembly comprises a surrounding block, and an opening is formed inone side of the surroundi