Underground space resource utilization investigation device

The utility model provides an underground space resource utilization investigation device, which relates to the field of underground resource investigation and comprises a detection mechanism, an adjusting mechanism is arranged on the right side of the detection mechanism and comprises a connecting box, and transmission wheels are arranged at the upper end and the lower end of an inner cavity of the connecting box. A transmission belt is in transmission connection between the two transmission wheels; the detection mechanism can be used for detecting underground mineral products so as to investigate underground resources, the servo motor can drive the transmission wheel to rotate, the transmission wheel drives the transmission belt to conduct transmission, the transmission belt can drive the movable plate to move up and down, and the movable plate can move up and down. The movable plate can drive the connecting block and the connecting plate to move up and down, so that the extension length of the connecting p