Electric control method and electric control device for adjustment of hydraulic suspension position of tractor
A technology of hydraulic suspension and electronic control device, which is applied to the lifting device, adjusting device, agricultural machinery and other directions of agricultural machinery
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[0024] The electronic control device is composed of a controller, an electro-hydraulic proportional reversing valve, a display, a control panel, and an angle sensor to replace the hydraulic control valve and mechanically controlled working depth adjustment mechanism in the traditional tractor hydraulic suspension system.
[0025] The whole device structure is like figure 1 As shown, an angle sensor 5 is installed at the rotation axis of the lifting arm 6 of the suspension device to detect the rotation angle of the lifting arm 6; the controller converts the lifting arm rotation angle measured by the angle sensor 5 in real time into real-time tillage depth, and then The actual tillage depth is compared with the preset tillage depth, and then the difference between the two is transmitted to the electro-hydraulic proportional directional valve as a negative feedback signal. The electro-hydraulic proportional valve adjusts the tillage depth in real time according to the signal of the c...
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