DRAWBAR HITCH OF SCRAPER Russian patent published in 2009 - IPC E02F3/64 

FIELD: mining.

SUBSTANCE: this invention refers to the mining and in particular to the traction mechanisms functioning with the traction-type equipment. Drawbar hitch of the scraper includes spherical joint traveling along the towing beam of the scraper, pintle hook of the tractor and towing loop installed on the cross-beam to the scraper bowl and interacting with the pintle hook. Pintle hook is installed under the towing beam equipped with the control hydrocylinder of the pintle hook. Towing loop has supports.

EFFECT: maximum increase of the adhesion weight of the tractor.

7 dwg