Gear shifting gearbox with multiple gears

The utility model provides a gear shifting gearbox with multiple gears, which comprises an input shaft, an output shaft, a gear shifting mechanism, a gear shifting mechanism, a gear shifting mechanism and a gear shifting mechanism and is characterized in that the input shaft is provided with a first input gear and a second input gear; the first intermediate shaft is parallel to the input shaft and provided with a first intermediate gear, a second intermediate gear and a first gear shifting fork located between the first intermediate gear and the second intermediate gear; the second intermediate shaft is coaxial with the first intermediate shaft and connected with the first intermediate shaft through a spline housing, and a third intermediate gear, a fourth intermediate gear and a second gear shifting fork used for being matched with the third intermediate gear are arranged on the second intermediate shaft; the output shaft is parallel to the second intermediate shaft, a first output gear and a second output g