Hand Cranked Chain Film RollerIt Is A Practical Equipment For Greenhouse Ventilation System, Adopting Chain Drive Design, Widely Used In The Top And Side Wall Film Rolling Operation Of Medium And Large Film Greenhouses. The Main Frame Is Made Of High-strength Galvanized Steel, And The Chain Is Made Of Industrial Grade Wear-resistant Chain. After Quenching Treatment, It Has Strong Load-bearing Capacity And Stable And Reliable Transmission.
The Operation Method Is Simple And Intuitive. By Shaking The Crank To Drive The Chain Transmission, The Film Winding Shaft Is Driven To Rotate, And A Single Person Can Easily Complete The Film Winding Operation. The Chain Drive Structure Can Achieve Long-distance Control And Is Suitable For Greenhouses With Large Spans. The Length Of The Rolled Film Can Reach More Than 15 Meters, And The Operating Force Is Uniform And Stable, Avoiding Tearing Caused By Uneven Force On The Film.
The Equipment Is Equipped With A Mechanical Limit Device, Which Precisely Controls The Film Winding Stroke By Adjusting The Limit Block To Prevent Overtravel Operation. The Surface Has Been Treated With Rust Prevention, And The Chain Is Equipped With A Dust-proof Cover, Effectively Resisting Erosion From The High Humidity Environment Inside The Greenhouse And Extending Its Service Life. Suitable For Various Types Of Films Such As PE And PO, Easy To Install And Maintain, It Is An Economical Choice For Ventilation Management In Medium And Large Greenhouses.
