VIBRO-HITCH DEVICE FOR LOOSENING COMPACTED GRAIN MASS, FERTILISERS IN LOADING HOPPERS OF UNIVERSAL AND SPECIAL GRAIN DRILLS Russian patent published in 2013 - IPC A01C7/00 

FIELD: agriculture.

SUBSTANCE: vibro-hitch device is made in the form of two horizontal hydraulic power cylinders located in different directions and aligned with each other on the channel bed with angle-plate stops and screw guides. The shaft of each of the hydraulic power cylinders is attached to the site of the plug of the universal joint. The latter is the head of the bolt axis with a thinned thread passing through the screw guide, supported by the angle-plate stop. On the splined end of the bolt axis the I-shaped lever with spring-loaded counterweights is fixed. The device also includes hydraulic hoses, the delivery cock of hydraulic fluid, and a hydraulic valve of the tractor. The vibro-hitch device is mounted on upper part of the drill drawbar near its hinged joints.

EFFECT: use of the invention enables to improve performance of the agricultural device by reducing its non-productive time and loss of time for loosening compacted grain mass and fertilisers, and to ensure sustainable seeding and fertiliser application during planting.

2 dwg