BULLDOZER CABIN ATTACHMENT DEVICE Russian patent published in 2019 - IPC B62D33/07 

FIELD: fixtures.

SUBSTANCE: invention relates to cabin attachment devices to frames of both caterpillar and wheel bulldozers. Device is hinged on pins installed in two front and two rear supports of its frame, comprises cabin lifting hydraulic cylinder, housing of which is hingedly fixed on bulldozer frame, free rod end made in the form of a double-fork plug is pivotally connected by means of the cabin lifting pin with the bracket rigidly fixed in the cabin lower part, the cabin lifting pin rests against the fork base and its ends are installed in the bracket. Device is equipped with hydraulic cylinders of the front and rear supports of the cabin, the rod chambers of which are connected through the hydraulic distributor to the hydraulic accumulator, which are connected through an activation button to an autonomous accumulator battery, and the piston cavities are connected to the hydraulic tank. One ends of the fingers of the front and rear supports of the cabin are rigidly attached to rods of corresponding hydraulic cylinders of fingers drawing, other ends of fingers are installed in silent blocks, pressed into upper parts of front and rear supports of frame, housing of hydraulic cylinders of front support pins are rigidly fixed on bulldozer frame, and housing of hydraulic cylinders of rear fingers pins are rigidly attached to fuel tank fixed on bulldozer frame behind the cabin.

EFFECT: reliable simultaneous drawing of pins from front and rear supports of frame, which releases cabin from rigid connection with frame of bulldozer.

1 cl, 5 dwg