Suspension type cement mixing pile composite foundation indoor model test device

The invention relates to the technical field of civil engineering, and discloses a suspension type cement mixing pile composite foundation indoor model test device which comprises a suspension type cement mixing pile composite foundation model box device, a servo control system and a pressure loading device. The suspension type cement mixing pile composite foundation model box device comprises a rigid model box and a rigid base, the rigid model box is fixedly installed on the top face of the rigid base, a self-balancing frame is fixedly installed on the top face of the rigid base, and the pressure loading device is arranged above the suspension type cement mixing pile composite foundation model box device. The servo control system comprises a computer and a power controller, the computer and the power controller are in data connection through a data transmission line, the pressure sensor is used for monitoring the pressure of the pressure loading device, and the servo controller is used for accurately control