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[CN 202110327116.6] Rotary control method and device of hydraulic machinery, hydraulic machinery and storage medium
[CN 202110327116.6] Rotation Control Method, Device, Hydraulic Machinery and Storage Medium of Hydraulic Machinery Title: Rotation Control Method, Device, Hydraulic Machinery and Storage Medium of Hydraulic Machinery Application Number: CN 202110327116.6 Applicant: Sauter Transmission Equipment Co., Ltd. Application Date: 2021-3-26 Patent Type: Invention Application The present invention discloses a rotation control method, device, hydraulic machinery and storage medium of hydraulic machinery, wherein the hydraulic machine slewing control method includes: when the slewing switch valve is in the constant speed slewing phase, obtaining the first time length of the slewing switch valve from entering the constant speed slewing phase to the current moment, or obtaining the second time length of the slewing switch valve from entering the acceleration phase to the current moment; judging whether the first time length reaches a preset first threshold, or judging whether the second time length reaches a preset second threshold; when the first time reaches the first threshold, or the second time reaches the second threshold, the discharge flow of the main pump is reduced to the preset discharge volume, which can improve the rotation impact and noise, and After reducing the discharge volume of the main pump, the pressure difference between the oil inlet and the oil outlet becomes smaller, so the rotation operation is relatively stable, which can reduce the suction and cavitation phenomenon, and can also achieve the effect of energy saving.
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