DRIVE AND CONTROL SYSTEM FOR VERTICAL-LIFT GATE AND VERTICAL-LIFT GATE Russian patent published in 2018 - IPC E05F15/40 E05F15/603 E05F15/70 H02P3/08 

FIELD: engines and pumps.

SUBSTANCE: invention provides a drive system for high-speed vertical-lift gate with a drive motor that is provided for moving the gate leaf, and the rotation speed of the drive motor can be reduced to zero. The drive motor is driven by the control unit. When an emergency stop mode occurs, the drive motor is driven with an adjustable reduction in its rotation frequency up to zero. The gate leaf is braked by a drive motor. When the gate leaf is stopped, it is held in the locked position by the powered drive motor at zero speed.

EFFECT: emergency power source provides a delay in moving the gate leaf with the help of a drive motor and the possibility of an emergency opening of the gate even when the main power supply is disconnected.

10 cl, 6 dwg