Overturning window of excavator

An overturning window of an excavator comprises the following components: a window body, a hinge, a support, a bracket and locking boards. The window body is mounted on the hinge through window bolts. The hinge is mounted on a frame assembly of the excavator through hinge bolts. The bracket is mounted on a balance weight of the excavator through a bracket bolt. The support is mounted on the window body and the bracket through a supporting cotter. The locking boards are mounted on a frame assembly of the excavator through bolts and nuts of the locking boards. When maintenance to hydraulic, power or electrical components in a left window is required, opening of the left window to one side and overturning to an appropriate angle is required, thereby realizing evaporator maintenance without integral detachment of the left window, and improving maintenance efficiency. The overturning window of the excavator further has the following advantages: simple structure, high convenience in operation, easy maintenance, and