Control method for full-power power range shifting of hydro-mechanical stepless transmission
A stepless transmission, hydraulic machinery technology, applied in mechanical equipment, transmission devices, fluid transmission devices, etc., can solve the problems of sudden change in the speed of fixed displacement hydraulic components, power interruption, output speed fluctuations, etc., to eliminate speed fluctuations and power Interruption, reduce slippage, improve the effect of changing section quality
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[0030] The core of the present invention is to provide a hydraulic machinery stepless transmission full power power shifting control method, which enables the hydraulic machinery to complete the smooth transition from the current segment to the target segment in the combination and overlap of the two clutches, realizes power transfer, and is in the shifting process. During the segment process, the power can be transmitted normally, and the full-power power shifting can be realized.
[0031] In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0032] In this embodiment, the figure 2 A certain differential two-stage hydromechanical stepless transmission shown implements full power power shift control. The transmission device can be divided into two working conditions: hydraulic section a...
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