| 摘要 |
PURPOSE:To attain the count of number of loaded truck without separate input by utilizing blowing of a horn blown at each end of loading to a truck. CONSTITUTION:A hydraulic shovel is provided with a horn 2 signaling the end of loading to a truck and a horn switch 3 blowing the horn 2. The hydraulic shovel is provided with an input section 6a inputting an operating signal at the operation of the switch 3, an arithmetic section 6b integrating the signal inputted to the input section and a display section 6c displaying the integrated value of the arithmetic section 6b. Thus, the number of loaded trucks is counted without separate input at each end of loading. |
