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Equalization of bearing loads on running wheels of overhead crane load trolley when applying multi-purpose layout drawing

Journal: Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta (Vol.3, No. 3)

Publication Date:

Authors : ;

Page : 280-288

Keywords : overhead crane; load trolley; equivalent force; conventional mass; diagonal equalization; chord equalization; angular equalization; mixed equalization;

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Abstract

The paper deals with the approach to design ofthe equalization procedure of bearing loads on running wheels of a load trolley. Methodological ambiguity in the trolley design issue resulting in complication of the designing process was identified. There was formed and solved the task concerning compensation of variation in the position of the common resultant of forces acting on the trolley from the point characterizing optimal load distribution between the wheels. This distribution was achieved by introducing a conventional mass and using appropriate dependencies and imposed limitations. Different options for arrangement of actual masses which form the conventional mass under the multi-purpose metal construction scheme were considered. An example on how to address the presented issue for the overhead crane load trolley was considered. The paper presents the findings of usefulness of various schemes of mass arrangement depending on a design situation. The need to apply the hinged frame method for determining bearing loads on the running wheels of the trolley based on the multi-purpose layout drawing was identified.

Last modified: 2018-03-27 23:18:55