Full-automatic tunnel mist spraying trolley for second-lining concrete curing

Abstract

The invention discloses a full-automatic tunnel mist spraying trolley for second-lining concrete curing. Upper arched frames and side arched frames are arranged on the periphery of a main frame, the two sides of the lower portions of the two upper arched frames are each connected with the corresponding side arched frame. A trolley travelling mechanism is arranged at the lower end of the main frameand mainly comprises a track, travelling wheels, a stroke switch, a motor and a driving mechanism. The front radial end face and the rear radial end face of the trolley are each provided with a spokeplate telescopic mechanism, and the spoke plate telescopic mechanisms mainly comprise upper spoke plates, lower spoke plates, upper-lower spoke plate fixing frames, electric push rods, force sensors,guide wheels and self-lubricating plates. Curing automatic mist spraying mechanisms are arranged on the arched frames and mainly comprise water storage tanks, electric heating steam generators, nozzles, temperature sensors, humidity sensors and pipelines. A condensate accumulation and recovery mechanism is arranged on the lower portion of the main frame and mainly comprises a liquid accumulationtray, a liquid accumulation box, a water pump and a filter. The concrete surface is not damaged, the field operating environment is also not affected, and the temperature and humidity of second-liningconcrete during curing can be guaranteed.

Description

technical field [0001] The invention relates to a concrete maintenance device, in particular to a maintenance device used for the second lining concrete of a tunnel. Background technique [0002] During the construction of the tunnel, it is necessary to carry out secondary lining around the tunnel after the initial support. The secondary lining structure is not only a structural measure as a safety reserve, but also to ensure that the tunnel prevents water seepage during use and ensures that the surface is relatively smooth, smooth and beautiful. This requires that the tunnel secondary lining concrete has sufficient strength and durability. There are many factors affecting the strength and durability of concrete, among which temperature and humidity have the greatest impact on the strength and durability of concrete during the curing period of concrete. In the process of tunnel construction in my country, the concrete curing method generally adopts the direct curing method...

AI Technical Summary

Problems solved by technology

The actual effect of the above two methods is not good. On the one hand, the use of high-pressure sprinklers will cause serious damage to the concrete surface; on the other hand, the sprayed water will flow to the ground along the vault and side walls, which will affect the working environment on site. and waste water

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