Šroubový kladkostroj ruční pro nosnost 500 kg

Abstract

Thesis deals with an engineering design and calculation hand worm-geared block for maximum lifting capacity 500 kg. Single parts and functional description of the tackle is in the introductory part of the work. The work also gives a survey of tackles. For a specified lifting capacity and others parameters of the task is work up engineering design of the tackle. Parts of the tackle are strength calculation. Part of thesis is group drawing of the tackle and manufacturing drawing of the ratchet wheel.