Hydraulically-driven vehicle chassis and construction machinery
A hydraulic transmission and vehicle technology, which is applied to vehicle components, control devices, transportation and packaging, etc., can solve problems such as the inability to guarantee the straight running of the vehicle, the narrow speed range of the vehicle, and the out-of-synchronization of the motor, which is conducive to changing the design and realizing Optimal matching, great starting acceleration effect
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[0026] It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.
[0027] Such as figure 1 As shown, a hydraulically driven vehicle chassis includes: an engine 1, a variable pump 2, four wheels, four variable motors, two reversing valves, and a fuel tank 7. The engine 1 drives the variable pump 2 to pump oil, and the variable pump 2 The hydraulic oil is supplied to each variable motor through the reversing valve, and the oil return path of each variable motor is communicated with the oil tank 7. The four wheels include the left front wheel 30 and the right front wheel 31 on the front axle, the left rear wheel 32 and the right rear wheel 33 on the rear axle; the four variable motors include the left front variable motor 50 that drives the left front ...
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