| 摘要 |
<p>A traveling system of an excavator is provided to control moving direction of the excavator by stepping an accelerator pedal interlocking with first and second hall sensors. A traveling system of an excavator comprises an accelerator pedal(10), a vehicle speed seneor(60), controller(20), a proportional control valve(30), and a forward and backward travel control device(40). The accelerator peal includes a first hall sensor(11) for outputting a forward signal and a second hall sensor(12) for outputting a backward signal. The vehicle speed sensor detect the speed of the excavator. The controller receives signals from the first and second hall sensors, and the vehicle speed sensor and when changing one sensor to the other sensor, outputs a vehicle speed control signal according to a signal from the vehicle speed sensor. The proportional control valve receives the signal from the controller and controls the operation oil of a travel motor(50) to control the speed. The forward and backward travel control device receives the signal from the controller, and selects forward traveling and backward traveling.</p> |
