Crawler type gantry crane

TLDR: In this article, a crawler type gantry crane is used to move horizontally along the X direction of a main beam through a trolley frame and a track, where the main beam is provided with a support leg and the lower end of the support leg is connected with the two ends of a lower cross beam.

Abstract: The invention discloses a crawler type gantry crane which is a major improvement of the prior art. The structure is structurally characterized by comprising a trolley, a gantry structure, a crawler operation mechanism, a power source, a hydraulic system and an electric apparatus, wherein the trolley can move horizontally along the X direction of a main beam through a trolley frame and a trolley track; the main beam is provided with a support leg; the lower end of the support leg is connected with the two ends of a lower cross beam; a lower flange of the lower cross beam is welded at the lower end of the lower cross beam, the lower end of the lower cross beam is connected with an inner ring bolt of a slewing bearing; and a structural flange of a chassis structure is connected with an outerring bolt of the slewing bearing. The chassis structure is provided with a crawler and drives the equipment to move horizontally along the Y direction so as to ensure spatial three-dimensional operation of the load and meet the need for linear or curved layout of the reactor of a nuclear power plant.