JPH0232478U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
Fig. 2 is a flowchart for displaying the steering angle, Fig. 3 is a control flowchart for mode switching, and Figs. 4 and 5 show another embodiment of the present invention. This is a corresponding drawing. 3...Front pitman arm, 15...Rear steering actuator, 30...Mode switching gear box, 31...Rear steering angle sensor, 32...Vehicle speed sensor, 33...Mode switching actuator, 34
...Controller, 35...Handle operation request buzzer, 36...Mode changeover switch, 37...Rear steering angle monitor, 38...In-phase position sensor, 39...Reverse-phase position sensor, 40...Forced idling actuator, 43...Accelerator pedal sensor.

Claims (1)

[Scope of utility model registration request] In a four-wheel steering vehicle in which a front wheel pitman arm is connected to a rear wheel actuator via a link mechanism and a mode switching gear box equipped with a mode switching actuator that switches modes when the vehicle speed is zero, a vehicle speed detection means and a rear wheel steering angle display means are provided. , comprising a mode position sensor that detects confirmation of the mode from the operation of the mode switching actuator, an alarm means, and a forced idling actuator that forcibly returns the engine to an idling state, and operates the forced idling actuator at the time of mode switching. A four-wheel steered vehicle, further comprising a controller that operates the warning means when the mode is not determined.