PVC fast rolling shutter door counterweight device

PVC fast rolling shutter door is also called fast door, industrial fast door, high-speed door, pvc rolling shutter door, pvc fast door, PVC fast rolling shutter door door body is composed of polyester fiber cloth industrial base cloth or transparent pvc soft curtain. The following to explain the PVC fast rolling shutter door counterweight device method.

Because there is no counterweight device, the rolling shutter door is not stable when opening or closing, the vibration is large, the motor demand power is large, and it can only be applied to the door of small size. In order to overcome the above technical deficiencies, a counterweight device of the fast rolling shutter door can make the pvc fast rolling shutter door door open and close more smoothly, and the operation is more stable and reliable.

The counterweight device of the PVC fast rolling shutter door comprises a drum installed above the door hole, a rotating shaft is arranged in the drum, the curtain cloth is wound on the rotating shaft, and one end of the rotating shaft is installed on the side of the door hole through a bearing. The other end of the rotating shaft is connected with the power output end of the motor, and the motor is installed on one side above the door; The starting feature is: the end of the rotating shaft away from the motor is provided with a counterweight block.

The counterweight block is arranged in the longitudinal track of the end of the drum, and the counterweight block can move up and down along the longitudinal track. The counterweight device of the pvc fast rolling shutter door is installed at one end of the drum. When the motor is working, the counterweight block moves down or up with the opening and closing of the curtain. It can make the opening and closing of the fast rolling shutter door more smooth and reliable.

The structure of the PVC fast rolling shutter door is simple. It can make the pvc fast rolling door run more smoothly, reduce the noise and vibration during operation, and reduce the power of the required motor. Thus greatly reduce the manufacturing cost, especially suitable for rolling shutter doors when the size of the door is large.