Steel bar planting cement soil supporting structure applied to foundation pit

The utility model discloses a steel bar planting cement soil supporting structure applied to a foundation pit, belongs to the technical field of foundation pit construction, and solves the problems that only the upper end of a hanging net fixing device is stabilized, and the lower end of equipment still has the risk of collapse or toppling over in the prior art. The device comprises four fixing frames which are matched with one another to form a rectangle, and the size of the rectangle formed by matching the fixing frames can be adjusted and fixed; the fixing bases are inserted into soil at the bottom of a foundation pit, and the fixing base plates are clamped in the fixing bases; the fixed base comprises a hollow insertion pipe and a U-shaped clamping seat, the clamping seat is located above the insertion pipe, and the lower end of the clamping seat is detachably connected with the insertion pipe. The fixing device has the advantages that the rectangle formed by the four fixing frames is adjustable in size a