METHOD FOR GENERATION OF DIRECTED INERTIAL ASYMMETRIC VIBRATIONS OF WORKING EQUIPMENT OF VIBRATION MACHINES Russian patent published in 2021 - IPC E02D7/18 

FIELD: machine building.

SUBSTANCE: invention relates to construction multivibration equipment generating asymmetrical oscillations of working equipment of construction and road machines, used, for example, for immersion into soil of building elements, such as: piles, piles-shells, tongues and their extraction; can be used in civil, industrial, power and road construction. Method for generation of directed inertial asymmetric vibrations of working equipment of vibration machines involves obtaining resultant asymmetric vertically directed force, acting alternately in direction of effective work F_ew and in idling F_id direction, which components F_i are simultaneously generated by n elementary vibration exciters of directed action at multiple in the form of a natural number of numbers from 1 to n ratio of angular velocities ω_i shafts i-th rotation of elementary vibration exciters to angular velocity ω₁ of first elementary vibration exciter shaft and decreasing static moments m_ir_i of mass m_i of unbalances with eccentricities r_i at increase of angular velocities ω_i. Generation mode F_i of the total forcing force F_ew is carried out according to a law providing a given ratio of values F_i, providing a maximum asymmetry coefficient, k_an = n, forcing force, as ratio of maximum magnitude of component of driving force acting in direction of effective work F_ew, to the value of the component of the driving force acting in the direction of idling F_id, with the received or recommended number of n elementary vibro-exciters of directed action.

EFFECT: technical result consists in generation of directed asymmetric vibrations of working equipment of vibration machines, providing maximum asymmetry coefficient of driving force as separate elementary steps, and multi-stage vibration device with asymmetric oscillations as a whole, with arbitrary number of steps with directed oscillations.

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