Abstract
At present, the wheel loaders on the market have steering vibration problems, which can be summarized as follows: the front frame and the cab vibrate violently at the beginning and at the end of steering. This paper analyzed the steering vibration mechanism by collecting the pressure at different positions of the hydraulic steering system and AMESim simulation. A cushion valve was designed to solve the problem of steering vibration. Finally, the prototype test was carried out and it was concluded that the cushion valve reduced the steering pressure starting shock by 50%, the stop vibration was reduced by 75%, and the suction problem no longer occurred. Further, the analysis provides theoretical and experimental basis for research on the steering system of loaders, and also provides new ideas for the design and optimization of vehicle steering systems.
Highlights
A wheel loader is a kind of earth and stone construction machine widely used in highways, buildings, mines, and other construction projects
The loaders on the market have the problem of loader steering vibration, which affects the driver’s operation of the machine [4,5,6]
Results showed performance of the hydraulic steering system was Results showed that that the that the analysis provides a reliable theoretical andanalyzed
Summary
A wheel loader is a kind of earth and stone construction machine widely used in highways, buildings, mines, and other construction projects. Methods suppress pressure fluctuations by changing the system structure provide These theoretical support for the optimization of hydraulic steering systems. These or addingsuppress control algorithms, but these by methods arethe difficult tostructure apply to or wheel loaders. ThisInarticle focuses on the vibration problem ofcarried the wheel steering of the hydraulic steering system, test data processed analyzed, the proprocess.
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