WORK RATE MONITORING DEVICE FOR HYDRAULIC EXCAVATOR

摘要

PROBLEM TO BE SOLVED: To reduce a load on a manager who manages the quantity of work of a plurality of hydraulic excavators on an unloader barge, etc. SOLUTION: A plurality of hydraulic excavators are provided on an unloader barge to scoop earth and sand carried by carrier ships, and throw in an earth and sand working device provided on the unloader barge and for working the earth and sand thrown. The quantity of work of a plurality of hydraulic excavators is monitored by a quantity of work monitor device for hydraulic excavators. The quantity of work monitor device is provided with quantity of work measuring means 19, 19' for measuring each quantity of work of hydraulic excavators, and a managing means 25 for managing each quantity of work measured by displaying in one displaying means 28.