Collection device for soil analysis samples in environmental monitoring laboratory

The utility model provides a collection device for a soil analysis sample in an environmental monitoring laboratory. Pedal plate, a collecting cylinder is fixedly mounted on the lower surface of the pedal plate; a connecting shaft is rotatably connected to the upper surface of an inner cavity of the L-shaped fixing block, an external gear penetrating through the cavity pipe is connected to the outer side of the connecting shaft in a sleeving mode, a threaded column rotatably connected with the pedal is arranged in the cavity pipe, an internal gear and a threaded pipe are arranged on the outerside of the threaded column, and the upper ends of the two threaded pipes are jointly and fixedly connected with a cross beam. The utility model provides a collection device for a soil analysis samplein an environmental monitoring laboratory. The external gear is rotated to drive the threaded column connected through the internal gear to rotate, the threaded pipe on the outer side drives the cross beam to ascend and desce