Deep sampling device for geotechnical engineering investigation

According to the technical scheme, the deep sampling device for geotechnical engineering investigation is characterized by comprising a bottom plate, a first fixing seat and a second fixing seat are installed on the two sides of the upper portion of the bottom plate respectively, a fixed frame is installed on one side of the first fixing seat, and a movable frame is installed on one side of the second fixing seat; one side of the movable frame is connected with a servo electric cylinder, a first roller shaft and a second roller shaft are movably installed in the fixed frame and the movable frame correspondingly, and one end of the first roller shaft and one end of the second roller shaft are connected with a first rotating wheel and a second rotating wheel correspondingly. The first rotating wheel and the second rotating wheel are in transmission connection through a transmission belt, and one side of the second rotating wheel is fixedly connected with an output shaft of a servo motor; according to the utilit