TRENCHING MACHINE Russian patent published in 2016 - IPC E02F5/06 

FIELD: construction.

SUBSTANCE: invention relates to excavating machines, particularly to bucketless chain-type trenchers. Trenching machine comprises a tractor chassis, which includes the main frame with running gear, including two tracks, rotation to which is delivered from final reduction gears of adjustable hydraulic motors, and additional frame to support the engine, the cabin, a hydraulic pump with working fluid tank, a hydraulic motor of the working element drive, a hydraulic cylinder for setting the depth of digging for the working element, herewith it is equipped with hinges fixed in the front and the rear parts of the main frame, in which the additional frame is installed with the ability of transverse inclination by hydraulic cylinders installed in the rear part of the main frame; on the rear hinge shaft end there is a faceplate, where there are the hydraulic motor of the working element drive and a bracket for additional attachment of the working element with a hydraulic cylinder for setting the depth of digging for the working element; in the front part of the tractor, to the main frame, a rootdozer is hinged, which lifting height is controlled by the hydraulic cylinder.

EFFECT: technical result is the increase of efficiency at operating on slopes, provision of vertical walls in cross section of the trench and horizontal bottom with digging a trench on slopes, creation of comfortable conditions of the operator.

1 cl, 4 dwg