JPS59111850U - Earthmoving vehicle diversion device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

FIG. 1 is a side view of a tractor shovel, FIG. 2 is a plan view of the tractor shovel, and FIG. 3 is an electro-hydraulic system diagram showing a diversion device according to an embodiment of the present invention. 1: Front frame, 2: Rear frame, 3: Vertical axis,
4: Direction cylinder, 5: Direction handle, 6: Solenoid switching valve, 7: Handle sensor, 8: Direction sensor, 9
:controller.

Claims (1)

[Scope of utility model registration request] An earthworks vehicle in which a front frame and a carrier frame are configured to be freely bent around a vertical axis, a cylinder for diversion is interposed between the front frame and the carrier frame, and an electromagnetic switching valve for controlling the cylinder is provided. A steering wheel sensor that detects the rotation angle of the steering wheel and generates an electrical signal, and a steering angle sensor that detects the steering angle of the front frame handler frame and generates an electrical signal are provided, and the steering wheel sensor and Turning of an earthmoving vehicle, characterized in that a controller is provided that compares electric signals from a turning angle sensor and controls the switching valve so as to obtain a turning angle proportional to a rotation angle of a turning handle. Device.