Supporting device based on constructional engineering

The utility model discloses a supporting device based on constructional engineering, and particularly relates to the constructional engineering field, the supporting device comprises a top plate, the bottom of the top plate is fixedly provided with a housing, the outer wall of the housing is fixedly provided with a step block, one side of the step block is slidably provided with a ball, and the outer wall of the ball is provided with a spring block in a rolling manner; and a second spring is fixedly installed on one side of the spring block, a supporting rod is fixedly installed at one end of the second spring, a bottom plate is fixedly installed at the bottom of the supporting rod, and an adjusting shell is fixedly installed on one side of the supporting rod. According to the utility model, through the cooperation between the step block and the spring block, when the position of the shell cannot be fixed due to the fact that the electromagnet is subjected to large impact force, the spring block slides on one