Effects of the Bogie Mechanism on the Dynamic Behavior of Crawler-type Construction Machines in Traveling on Firm Grounds with Continuous Bumps

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概要

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• In crawler-type construction machines, flexible suspension system like bogie mechanism type suspension is used to reduce and disperse the load acting on the running gear and to absorb the vibration from uneven ground. However, the quantitative effects of the bogie are not so clear. In this paper, by using a modeling and simulation method for crawler-type construction machine with bogie mechanism, which is developed by the authors, in traveling on firm grounds with continuous bumps, representative simulation cases to analyze the dynamic behavior were conducted. Then K-type and X-type bogie as flexible suspension and locked K-type and X-type bogie as rigid suspension were selected. In two bump pitch cases, effects of the bogie mechanism introduction and the bogie type on the dynamic behavior of the machine, such as the lower rollers load and the bouncing and pitching behavior were shown quantitatively and discussed.

著者

• ABE Masajiro

  Dept. of System Safety, Nagaoka Univ. of Technology

• NAKAMURA Shinya

  KOMATSU Ltd.

• NAKAGAWA Chikara

  Dept. of Control Eng. Maizuru College of Technology

関連論文

• Effects of the Bogie Mechanism on the Dynamic Behavior of Crawler-type Construction Machines in Traveling on Firm Grounds with Continuous Bumps

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