Formworking jumbo is used in multibreak face construction in tunnel

• Main Authors: QI YONGQIAN, LI HONG, LI QINGQI, SHI XUEZHI, YAN BIN, LIU HONGMEI, LI YUGANG
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a formworking jumbo is used in multibreak face construction in tunnel, including portal and template assembly, the template assembly includes vault template, left side template, right side template, left invert form and right invert form, and the left end of vault template is articulated mutually with the upper end of left side template, and the right -hand member of vault template is articulated mutually with the upper end of right side template, and the upper end of left invert form articulates with the lower extreme of left side template mutually, and the upper end of right invert form articulates with the lower extreme of right side template mutually, the top of portal be provided with and the roof arch supporting platform that the vault template is connected is provided with top oil -cylinder plug between and the portal, the left side of portal is provided with the left side top oil -cylinder plug who is used for exerting thrust for the left side template, and the right side of portal is provided with the right side top oil -cylinder plug who is used for exerting thrust for the right side template. This formworking jumbo simple structure, a lot of section in the time of can adapting to the construction of tunnel secondary lining changes, and the adjustment is convenient, convenient to popularize and use.