In-situ testing device for lateral pressure test

The utility model provides a lateral pressure test in-situ testing device which comprises a movable base, a controller, a lateral pressure device and a high-pressure gas cylinder, the controller, the lateral pressure device and the high-pressure gas cylinder are arranged on the movable base, the controller is connected with the lateral pressure device through a first connecting pipe, the controller is connected with the high-pressure gas cylinder through a second connecting pipe, and a winding structure is arranged on the movable base. The winding structure comprises a C-shaped frame, a round roller, baffles, a rotating shaft, a handle and a connecting plate, the two ends of the C-shaped frame are in shaft connection with the rotating shaft penetrating through the round roller, the baffles are arranged on the two sides of the round roller in the C-shaped frame respectively, the baffles are connected to the rotating shaft in a penetrating mode, one end of the rotating shaft extends out of the C-shaped frame an