SCRAPER TRAIN COUPLING GEAR Russian patent published in 2005 - IPC

FIELD: earth moving equipment.

SUBSTANCE: invention relates to coupling gears of two-bucket scraper trains. Proposed coupling gear contains front bucket buffer, push plate controlled by hydraulic cylinder with pressure spool and installed on rear bucket gooseneck, ball joint connecting gooseneck with axle of rear scraper and coupling bar rigidly connected with axle of rear scraper and, by means of longitudinal hinge joint, with kingpin. The is connected by horizontal hinge joint with buffer of front scraper. Coupling yoke is hinge-mounted on buffer of front scraper being controlled by hydraulic cylinders. Coupling yoke is connected with kingpin of coupling bar of rear scraper by cross hinge joint whose height is constant over earth support surface both at digging and at transportation of soil.

EFFECT: preservation of horizontal position of coupling bar both at digging and transportation of soil at temporary locking of bucket ball joint of rear scraper.

7 dwg