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[CN 201710299606.3] Hydraulic-mechanical stepless transmission device for loader
[CN 201710299606.3] Title of a hydraulic-mechanical stepless transmission device for loaders: Application number of a hydraulic-mechanical stepless transmission device for loaders: CN 201710299606.3 Applicant: Beijing University of Technology Application Date: 2017-5-2 Patent Type: Invention Application The invention discloses a hydraulic-mechanical stepless transmission device for loaders, which adopts a Ravina dividing and converging mechanism to realize two or three hydraulic mechanical sections for starting, low-speed operation and high-speed walking respectively; the hydraulic mechanical section can improve the low-speed transmission efficiency; there is no circulating power in each section, and it has high transmission efficiency. The transmission device includes: a hydraulic speed control circuit, a Ravina dividing and converging mechanism, a fixed-axis gear transmission mechanism and a forward and reverse mechanism. The engine power is output to the front and rear axles of the loader after passing through the hydraulic-mechanical compound stepless transmission device.
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