To provide a working amount monitoring system for certainly preventing excessive throwing of baggage from a working machine to a transportation vehicle.
A throwable load value of the baggage to the transportation vehicle B is transmitted from any one of a system terminal equipment and the transportation vehicle B to a controller 6 of the working machine A by a radio communication system C, and is set as a target load value of the working machine A. The controller 6 operates the present load value W of the baggage thrown from a working device 2 to the transportation vehicle B by detecting attitude of the working device 2 of the working machine A and a pressure applied to a boom cylinder 3a for supporting the working device 2. The controller 6 operates an integration load value by integrating the present load value W of the baggage thrown to the transportation vehicle B and informs of the state through the display 13 when the integration load value reaches to the target load value.
Satoshi Kabazawa
Tetsuya Yamada