METHOD AND DEVICE FOR FORMING A PREDETERMINED SHAPE OF A QUASI-ZERO STATIC CHARACTERISTIC OF THE VIBRATION PROTECTION MECHANISM OF THE OPERATOR'S SEAT Russian patent published in 2022 - IPC B60N2/50 B60N2/38 B60N2/42 

FIELD: vibration isolation devices.

SUBSTANCE: invention relates to vibration isolation devices and concerns the protection of operator workplaces. The device comprises an operator's cabin, an articulated four-link parallelogram-type guide mechanism, a roll stabilization mechanism, a seat, an extension spring, a spring extension adjustment mechanism, a flexible low-stretch cable, guide rollers for the cable. At the same time, a sensor for the angle of rotation of the parallelogram mechanism, a setting device, a comparison element, a computing unit (computer) in which a calculation program is installed that implements a given form of a quasi-zero static characteristic, an amplifier, an electric motor, and a gearbox are introduced.

EFFECT: provision of a regime of quasi-zero stiffness with vertical vibrations of the operator's seat, limiting the vertical movements of the seat without impacts, purposefully changing the force created by the spring due to its tension (compression) when the external load changes.

1 cl, 2 dwg