Control device for an earthwork machine

Details Control device for an earthwork machine Control device for an earthwork machine

E - Fixed Constructions

02

F

214/27

E02F 3/32 (2006.01) E02F 3/43 (2006.01) E02F 9/20 (2006.01)

Patent

CA 1154722

ABSTRACT OF THE DISCLOSURE The control device for an earthwork machine according to the invention is designed for reducing the manufacturing cost of the earthwork machine by eliminating some of the calculating means and the control means. According to the control device, one of the cylinders necessary for carrying out straight excavation is directly manually controlled without using calculating means, and the operations of the cylinders are respectively detected by detecting means. The other two cylinders are also controlled by the arithmetic unit provided in the control device for performing calculation necessary to move the sharp edge of the bucket along a straight line of predetermined inclination in accordance with detected pivoted angles of the boom, arm and bucket.

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