Foldable guide rail for telescopic derrick

Abstract

The utility model relates to a folding guide rail for telescopic derrick belongs to drilling equipment technical field, include: first guide rail roof beam, connecting assembly and second guide rail roof beam, be equipped with the chute of first guide rail roof beam along its length direction arrangement, the end of chute through hole formation of first guide rail roof beam corresponding fixed base, the fixed limit portion of chute corresponding hole portion, connecting assembly slide in the chute and its one end can wear out the hole, its other end can contact with the limit portion, second guide rail roof beam along the length direction arrangement of first guide rail roof beam and its one end away from fixed base hinged in the wear out end of connecting assembly, the utility model utilizes connecting assembly sliding connection in the chute of first guide rail roof beam first, its one end can slide out the hole, its other end can contact with the limit portion, and then utilize second guide rail roof beam away from the other end of fixed base hinged in the wear out end of connecting assembly, can when the first derrick section and second derrick section shrink, fold first guide rail roof beam and second guide rail roof beam, convenient transportation.

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