Supporting and reinforcing device for soft soil foundation

A supporting and reinforcing device for a soft soil foundation comprises a center column body, a force bearing part is arranged at the lower end of the center column body and comprises a force bearing rod body, a plurality of lower V-shaped rods which are obliquely arranged are arranged on the side portion of the force bearing rod body, and the two free ends of each lower V-shaped rod are inserted into the force bearing rod body respectively. The other end of the lower V-shaped rod is arranged in the direction away from the force bearing rod body. The number of the lower V-shaped rods is not less than three, the lower V-shaped rods are evenly distributed relative to the force bearing rod body, and the arrangement direction of the lower V-shaped rods is arranged in the extending direction of the force bearing rod body. The force bearing part is arranged on the lower portion of the center column body, then the center column body is fixedly connected in the soft soil foundation through the force bearing part, in