| 摘要 |
An alert system in a mobile track surfacing machine arranged for intermittent advancement by selected distances from one tamping station to a succeeding tamping station and comprising an operator's station including a control panel for enabling the operator to operate the machine, which alert system comprises an odometer or tie counter for defining the selected distance, a signaling instrument arranged for generating an alert signal for ready preception by the operator to indicate to the operator the succeeding tamping station during the advancement of the machine, and a control for the signaling instrument for generating the readily preceptible alert signal in response to the selected distance whereby the alert signal readily perceptibly indicates to the operator the succeeding tamping station as the advancing machine approaches the succeeding tamping station. |
