Foundation pit supporting device for preventing foundation pit from collapsing

The utility model discloses a foundation pit supporting device for preventing a foundation pit from collapsing. The foundation pit supporting device comprises two supporting faces which are arranged in a mirror symmetry mode. The two supporting faces each comprise a plurality of baffles which are detachably arranged, and the baffles are arranged in an array mode. A horizontal supporting assembly is arranged between the two supporting faces and comprises a plurality of first supporting rods, a telescopic adjusting assembly and a plurality of second supporting rods which are detachably connected in sequence. The foundation pit supporting device is simple in structure and convenient to operate, supporting equipment of different specifications can be effectively used for foundation pits of different depths and shapes, in addition, the baffle, the first supporting rod, the telescopic adjusting assembly and the second supporting rod in the device are all detachable assemblies and can be repeatedly installed and use