Foundation pit supporting structure

The utility model relates to a foundation pit supporting structure, belongs to the technical field of foundation pit supporting, and particularly relates to a foundation pit supporting structure which comprises two supporting baffles, two containing rods are connected between the two supporting baffles, and threaded rods are in threaded connection with the interiors of the two containing rods. The thread directions of the two threaded rods are opposite; the adjusting mechanism comprises a containing frame located between the two containing rods, a connecting rod fixedly connected with the two threaded rods is arranged in the containing frame, a turbine is fixedly installed on the side wall of the connecting rod, and a worm meshed with the turbine is rotationally installed in the containing frame; according to the device, the two threaded rods can synchronously rotate through the turbine and the worm, the two containing rods move towards the ends far away from each other or close to each other, the two support