Seat elbow support assembly, cab and working machine

The utility model relates to the technical field of engineering machinery, and provides a seat elbow support assembly, a cab and an operation machine, the seat elbow support assembly comprises an elbow support piece, one end of the elbow support piece is used for being hinged with a seat, and the other end of the elbow support piece is used for being connected with the seat in a sliding mode, so that the elbow support piece can rotate relative to the seat. The angle of the elbow support piece can be adjusted according to habits of a driver, and comfortable support is provided for the driver. 本实用新型涉及工程机械技术领域，提供了一种座椅肘托组件、驾驶室及作业机械，该座椅肘托组件包括肘托件，肘托件的一端用于与座椅铰接，肘托件的另一端用于与座椅滑动连接，使得肘托件能够相对座椅旋转。本实用新型可以根据驾驶员的习惯，调整肘托件的角度，给驾驶员提供舒适的支撑。