| 摘要 |
PROBLEM TO BE SOLVED: To provide a working state checking device of a working machine capable of reliably performing the work for which an operator does not receive a warning.SOLUTION: A working state checking device 21 acquires information on a current working state of a crane by boom attitude detection means 23-29. Calculation means 22 calculates information on a working state before warning based on a load factor at least before a warning is indicated from the information on the current working state acquired by the boom attitude detection means 23-29. A monitor 31 notifies an operator of the information on the working state before warning calculated by the calculation means 22. |
