LOADER CRANE Russian patent published in 2020 - IPC B66C23/44 

Abstract RU 2725367 C1

FIELD: transport machine building.

SUBSTANCE: invention relates to hoisting-and-conveying machines for loading-unloading and other works. Loader crane comprises base made in the form of triangular truss consisting of two power hydraulic cylinders and rigid crossbar, on which pivots are articulated with possibility of rotation rods making structure of boom with load-carrying element. Boom design rods are fixed without length adjustment. Two power hydraulic cylinders with rods converge in common spherical hinge, which with its trunnions is mounted on front upper guide of front post of tetrahedral truss. Base of the two power hydraulic cylinders is fixed by means of the pivoting devices to the rigid traverse of the base. Lifting and lowering of boom with load-carrying member is controlled by synchronous operation of additional parallel power hydraulic cylinders, rods of which are fixed to rigid crossbar of base by means of cylindrical hinges, and ends of parallel power hydraulic cylinders are mounted on rear upper guide of rear post tetrahedral truss. Rear posts of tetrahedral truss are rigidly supported on paired posts-struts, made with possibility of attachment to vehicle.

EFFECT: achieving power capacity and rigidity of the structure and increasing the service area of the loader crane.

1 cl, 2 dwg

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RU 2 725 367 C1

Authors

Babochenko Natalya Vladimirovna

Babochenko Aleksandr Sergeevich

Babochenko Mikhail Aleksandrovich

Krivelskaya Eva Alekseevna

Dates

2020-07-02Published

2019-11-25Filed