Engineering machinery control system, engineering machinery and engineering machinery control method
A control system and engineering machinery technology, applied in the field of control, can solve the problems of hydraulic shock, high oil temperature and matching of hydraulic actuators, and achieve the effect of maintaining proper temperature, preventing excessive temperature rise, and reducing cycle frequency.
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[0039] Embodiment 1 provides a control system for a concrete pump truck. The concrete pump truck includes a boom and a chassis. The boom is connected by five sequentially hinged booms, and the relative movements between the booms are driven by corresponding hydraulic cylinders. The boom is mounted on the chassis, and can be rotated on the chassis around a vertical axis by the drive of a hydraulic motor, so as to realize the circumferential adjustment of the angle of the boom.
[0040] like figure 1 As shown, the control system includes a manipulation platform, a receiver 200, a proportional flow valve unit 300, a signal processing device 500 and a controller 600. The proportional flow valve unit 300 includes proportional flow valves 9-20, and the hydraulic execution unit 400 includes The above-mentioned hydraulic motor for driving the rotation of the boom and five hydraulic cylinders for driving the action of the boom; in addition, for the convenience of description, the engin...
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