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Mechanical simulation and installation position optimisation of a lifting cylinder of a scissors aerial work platform
Author(s) -
He Shanghong,
Ouyang Min,
Gong Jianqiu,
Liu Guoliang
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2018.8961
Subject(s) - hydraulic cylinder , cylinder , position (finance) , work (physics) , simulation , engineering , dynamic simulation , structural engineering , mechanical engineering , computer science , finance , economics
The force of a lifting cylinder is the main factor of the alternating stress of scissors arms in a scissors aerial work platform, which seriously affects the fatigue life of structures. Aiming at this problem, the installation position parameters that affect the force of the lifting cylinder was simulated and optimised. First, the mechanical model of the lifting system was established based on the principle of virtual work, and the position parameters that affect the force of lifting cylinder were determined. Then, the advanced modeling environment for performing simulation of engineering systems (AMESim) simulation model was used to simulate the lifting process of the lifting system, and the reliability of the simulation model was verified by the pressure test of the hydraulic system. Finally, based on the simulation model, the design of experiment method was used to optimise the installation position of the lifting cylinder in the design and development environment of AMESim, and the optimisation effect was verified through the test on a real vehicle. The result shows that the peak load of the lifting cylinder is reduced by ∼12%, and the average of the steady‐state value decreases by ∼20% after the installation position is optimised.

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