Foundation pit supporting structure easy to assemble and disassemble

The foundation pit supporting structure easy to assemble and disassemble comprises a base frame, a bottom frame and a rotating plate, one side of the rotating plate is in threaded connection with a fixing bolt, the inner side wall of the base frame is movably connected with a rotating frame, the lower surface of the base frame is connected with a clamping plate in a clamped mode, and the lower surface of the clamping plate is fixedly connected with a moving ring. According to the foundation pit supporting structure easy to assemble and disassemble, through cooperative arrangement of the clamping plates, the extension springs and the inner rods, the clamping plates can be connected and clamped with the base frame, the clamping plates and the rotating plates, then the positioning bolts are used for installation and fixation, and through arrangement of the extension pipes, the positions of the extension pipes on the surface of the bottom frame can be changed according to the construction site; and finally, throu