Hydraulic moving driving device of land levelling machine
A walking drive and grader technology, which is applied to mechanically driven excavators/dredgers, earth movers/shovelers, construction, etc., can solve the problem of unstable quality of graders, quality cannot be guaranteed, and many non-standard parts, etc. problem, to achieve the effect of simple structure, low production cost and high degree of automation
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Example Embodiment
[0013] Example 1
[0014] exist figure 1 Among them, the hydraulic traveling driving device of the motor grader in this embodiment is composed of a variable hydraulic pump 1 and a combined hydraulic motor 2 connected through a conduit.
[0015] The variable hydraulic pump 1 is installed on the engine of the motor grader and connected to the output shaft of the engine with a coupling. The engine provides power for the variable hydraulic pump 1, and the variable hydraulic pump 1 is communicated with the combined hydraulic motor 2 through a conduit. This embodiment The combined hydraulic motor 2 is a combination of a variable hydraulic motor and another variable hydraulic motor, the combined hydraulic motor 2 provides driving force for the rear wheel of the grader, and the combined hydraulic motor 2 uses a coupling with the universal drive of the grader. The universal transmission mechanism 6 is connected with the drive axle 3 of the motor grader with a coupling piece. The unive...
Example Embodiment
[0016] Example 2
[0017] exist figure 2 Among them, the combined hydraulic motor 2 of this embodiment is connected with the drive axle 3 of the grader with a coupling piece, the combined hydraulic motor 2 is a combination of a variable hydraulic motor and another variable hydraulic motor, and the variable hydraulic pump 1 is connected to the motor through a conduit. The combined hydraulic motor 2 is connected, and the combined hydraulic motor 2 provides driving force for the rear wheel of the motor grader. The hydraulic traveling driving device of this embodiment is directly connected with the drive axle 3 of the grader, the universal transmission mechanism 6 of the grader is removed, the output power loss is reduced, and the structure of the four-wheel drive device of the grader is more compact. Simple and reduces production costs. The other parts and the connection relationship of the parts are the same as those in the first embodiment.
Example Embodiment
[0018] Example 3
[0019] In Embodiments 1 and 2, the combined hydraulic motor 2 is a combination of a quantitative hydraulic motor and a quantitative hydraulic motor, the variable hydraulic pump 1 is communicated with the combined hydraulic motor 2 through a conduit, and the combined hydraulic motor 2 is a motor grader. The rear wheels provide drive. Other components and the coupling relationship of the components are the same as the corresponding embodiments.
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