LOADING AND DISTRIBUTION DEVICE FOR TRAILED FRAME DISC HARROW Russian patent published in 2024 - IPC A01B71/02 A01B63/11 A01B21/08 

FIELD: agriculture.

SUBSTANCE: loading and distribution device for a trailed frame disc harrow is made in the form of a structure consisting of: a power hydraulic cylinder (1) installed in an angle bracket with a power hinge mounted in a hinged support (4) on the upper front part of the harrow frame; transmission rod (7) made in the form of a flat spring fixed by a dynamic deflection upward and secured at its ends in the power hinge of the angle bracket and the rear support hinge bracket (8); distribution rod (9) made in the form of a flat spring with a dynamic upward deflection installed at its ends between the load brackets (10 and 11) located on the top side in the rear front part of the harrow frame and fixed in the central part through a hole with a bolted connection in the rear support hinge bracket (8); a rod spring (13) passing through the fork working part of the power hydraulic cylinder (1) and built-in between the crossbars of the harrow hitch (14).

EFFECT: increase in the traction and coupling properties of the towing power vehicle, equalization of power loads from the harrow on the tractor running system in the event of uneven movement of the unit, equalization of vertical loads and simultaneous additional loading of sections of the working parts of the harrow in operation, reduction of the energy costs of the tractor in operation and the efficiency of its use, improvement the quality of pre-sowing treatment with a frame disc harrow, increasing the ease of maintenance and operation of a trailed frame disc harrow.

1 cl, 5 dwg