Abstract:

Mine shaft raised is the keg of mine production, move at high speed and word throughout the year. Raised machine usually use travel switch to prevent folder. In normal condit ion, it can be safety production. But if the driver for tired reduce the drake times will properly create folder accident, There for, we design and equip a set of auto-return and deckle ration system parallel connect normal operation system, then we can prolong folder expected effects.

Key words: Mine shaft raised, Folder machine, Folder protection, auto-return and deckle ration system