Air centrifugation expansion pressure all -in -one that contracts

The utility model discloses an air centrifugation expansion pressure all -in -one that contracts, which comprises a frame, the upper end of frame is provided with transmission support, and installs the main shaft through bearing assembly in the transmission support, compressor impeller is installed in the left side of main shaft, and transmission support's left side rolls over the larynx hoop through the fast quick -mounting of compressor spiral case and install the compressor spiral case, the utility model provides an air centrifugation expansion pressure all -in -one that contracts has reduced the middle energy conversion link of unnecessary, and utilize the compressor parts and the expander parts that lie in the main shaft both ends to keep balance main epaxial axial load, the life of device but also stationarity and energy conversion efficiency that can be better have not only been improved, can provide the novel conversion equipment that a rotational speed of driving shaft reaches38000rpm, does medium ga