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[CN 202111306679.3] Three-planetary-row three-stage hydraulic-mechanical continuously variable transmission for high-power tractor
[CN 202111306679.3] A three-planetary-row three-stage hydraulic-mechanical continuously variable transmission for a high-power tractor Title: A three-planetary-row three-stage hydraulic-mechanical continuously variable transmission for a high-power tractor Application number: CN 202111306679.3 Applicant: Nanjing Agricultural University Application date: 2021-11-5 Patent type: Invention application The present invention discloses a three-planetary-row three-stage hydraulic-mechanical continuously variable transmission for a high-power tractor, it includes a variable pump-variable motor system, a clutch system, a confluence mechanism, a gear pair and a shaft system. The variable pump-variable motor system includes a variable pump and a variable motor, and the variable pump is connected to the variable motor. The clutch system includes a clutch C1, a clutch C2, a clutch C3, a clutch CV and a clutch CR, the clutch C1 is connected to the clutch C2, the clutch C3 is connected to the clutch C1, and the clutch CV is connected to the clutch CR. The three-planetary-row three-stage hydraulic-mechanical continuously variable transmission of this high-power tractor has the same speed regulation characteristics in the forward and reverse stages. The hydraulic power is driven by a variable pump-variable motor. At the same time, it has a wide speed regulation range and low speed. Features such as high torque.
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