Heavy duty diesel engine main rotor and mandrel coaxial quick alignment device design

Xiao-mei Zhang; Shi-chao Liang; Chuan Huang; Xue-yu Lu

doi:10.1117/12.2681860

16 June 2023 Heavy duty diesel engine main rotor and mandrel coaxial quick alignment device design

Xiao-mei Zhang, Shi-chao Liang, Chuan Huang, Xue-yu Lu

Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 126390M (2023) https://doi.org/10.1117/12.2681860
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China

Abstract

At present, the traditional heavy-duty diesel engine main rotor and core shaft docking process solution has low precision, backwards supporting equipment, poor stability and other problems. In this paper, several solutions are proposed to address these problems, and two new designs are finally identified. Option A is to improve the accuracy of the main rotor-core shaft alignment by changing the placement of the rotor and core shaft, using telescopic hydraulic cylinders and adopting fixtures to fix them; option B uses 3D laser scanning technology, high-precision truss manipulators and "trap" type structural fixtures to solve the problem of inaccurate alignment between the keyway in the rotor cavity and the core shaft key and the inaccurate alignment between the rotor and the core shaft key. We also used 3D modelling and animation to solve the problems of the rotor core and core shaft shaking when the platform moves. We also simulated the working process of the two solutions through 3D modelling and animation. After comparison and analysis, both solutions can effectively achieve the automatic alignment of the rotor core and the core shaft key, ensure the coaxially of the rotor and the core shaft, and reduce the offset.

Citation Download Citation

Xiao-mei Zhang, Shi-chao Liang, Chuan Huang, and Xue-yu Lu "Heavy duty diesel engine main rotor and mandrel coaxial quick alignment device design", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 126390M (16 June 2023); https://doi.org/10.1117/12.2681860

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KEYWORDS

Design and modelling

3D scanning

Laser applications

Automatic alignment

Manufacturing

3D modeling

Laser scanners

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