Adjustable horizontal multi-connected concrete contractometer

The utility model discloses an adjustable horizontal multi-connected concrete contractometer which is characterized by comprising a bottom plate, a limiting plate, a limiting groove, a dial indicator, a temperature and humidity meter, an upper limiting bolt, a lower limiting bolt and an adjustable limiting rod. The bottom plate is a thin-shell component, the bottom is not sealed, and three open grooves are formed in the top surface; the limiting plate is a rectangular thin plate; three limiting grooves are formed in the limiting plate, and an open groove is formed in the middle of each limiting groove; the dial indicator is fixed on the adjustable limiting rod; the humiture meter is fixed on the bottom plate; the adjustable limiting rod penetrates to the bottom face from a vertical through hole formed in the circle center of the top face, threads are arranged in the through hole, and a horizontal penetrating groove is formed in the side face. The upper limiting bolts and the lower limiting bolts are respectiv