Central hinging mechanism of tractor and waist twisting tractor

Abstract

The utility model relates to a tractor's central articulated mechanism and twist the waist tractor, including first shell, second shell and third shell, the front end of first shell is used for being connected and fixed with external gearbox, the front end of second shell is assembled on the rear end of first shell and is rotatingly connected with first shell, and third shell is assembled on the rear end of second shell. The rear end of the second shell is assembled at the front end of the third shell and connected with the third shell in a left-right swinging mode, and the rear end of the third shell is used for being connected with a rear axle shell of a tractor. The first shell and the second shell are rotationally assembled and connected, so that the second shell can rotate on the first shell, when the tractor works in a hilly land, four wheels can make contact with the ground, the tractor has the good ground grabbing capacity, meanwhile, the third shell can swing and rotate left and right on the second shell, and therefore the tractor is more convenient to use. Therefore, the rotation radius of the rear axle is reduced, and the tractor can conveniently work in hilly land.

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