Locally prefabricated spliced groove and cover plate

• Main Authors: LUO CHI, GUO XIAOXIONG, AN ZHELI, MA WEIBIN, MA ZHAOHUI, WANG ZHIWEI, WANG ZIHONG
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model discloses a locally prefabricated spliced groove and a cover plate. The locally prefabricated spliced groove is characterized in that a prefabricated member I and a prefabricated member II are arranged on two sides of a groove I; the first prefabricated part is provided with first mounting grooves, the first mounting grooves jointly define a first cable groove of the tunnel, the second prefabricated part is provided with second mounting grooves, and the second mounting grooves jointly define a second cable groove of the tunnel. The first prefabricated part, the second prefabricated part and the first groove jointly define a drainage groove of the tunnel. The second prefabricated part corresponding to the overflow channel is provided with a drainage channel, and the overflow channel is communicated with the drainage channel; the first cover plate can block the first mounting groove and the second mounting groove, and the second cover plate can block the second mounting groove. The first prefa