The invention discloses a polygon-prism track type gallows frame. The polygon-prism track type gallows frame comprises two bases arranged in parallel and supporting columns arranged on the bases. A lifting beam is horizontally arranged on the upper portions of the supporting columns. The polygon-prism track type gallows frame is characterized in that the supporting columns are hollow and vertically through, each of two sides of each supporting column is provided with a first groove inwards, each of two corresponding side faces inside each supporting column is provided with a sliding groove perpendicularly, and each sliding groove and the corresponding first groove are located in two adjacent sides; the sliding grooves are connected with square tubes capable of moving along with the sliding grooves, the upper side face of each first groove is horizontally provided with a plurality of limiting holes at equal intervals, the two sides of each square tube are provided with limiting grooves respectively, and one of the limiting holes in the upper side face of each first groove is provided with a limiting rod; the square tubes are welded to the lifting beam; the two supporting columns are in a polygon prism shape; and the lower portion of each base is provided with a pair of fixing pieces in an extension manner, a directional wheel is arranged between each pair of fixing pieces, and the lower portion of each directional wheel is provided with a matched track. The polygon-prism track type gallows frame has the beneficial effects of being simple in structure, long in service life, capable of conveniently and efficiently conveying large articles and the like.
Polygon-prism track type gallows frame
2015-12-23
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |