The high mast light poles with movable lights frame can be vertical lifting and lowering along column body produced by us with the height from 15 to 45m. The outstanding feature of this system is that the lights are installed, replaced and maintained at the head height, so it is extremely convenient during installation, operation and maintenance with low cost and very high safety.
High-mast body structure
- The column body is structured from sections of polygonal tapered steel shape overlap assembly to achieve the height of the column. The length of each section is selected to the maximum so that the number of nested sections is the minimum. Columns are designed according to Technical Reports No.7 with wind loads calculated accordingly to each location where the columns are erected to optimize the structure.
- Main material for pole sections is the hot-rolled steel according to the specifications of clients. The welds according to AWS D1.1 standard are performed by automatic SAW welding or MIG / MAG welding. Hot-dip galvanized for surface protection according to ASTM A123 or equivalent. It is possible to choose the outside coating after hot-dip galvanized.
Fixed headframe on top pole
- Fixed headframe is fork-type structured. Standard design includes 06 sets of steel cable pulleys and electric cables to lift and lower movable lights frame. The design allows easy installation of additional power cable pulleys when there are additional cabling requirements for the Camera system, Wifi transceiver, or other electrical equipment.
- Fixed headframe is steel welding closed structure to prevent birds from nesting inside. The pulleys system by special materials such as stainless steel shaft, self-lubricating alloy rotating bearing to ensure the maximum stable operation of the lifting system. Minimum 25 years without maintenance.
- Safe mechanical locking system, extremely reliable operation, the automatic locking mechanism of the light frame at top pole ensures absolute safety and the steel cable is not in a constant state of tension.
- Especially, the top of the fixed headframe is designed to be easily integrated with other requirements such as adding decorative poles, connecting posts for lightning protection systems.
Movable lights frame
- The movable lights frame is modularized into functional assemblies which are extremely convenient in transporting to the construction site and convenient for installation. These modules allow the option to configure into many different types of light rigs depending on the intended use, such as arranging the lights evenly around the column or focusing the light in one direction.
- There are many types of movable lights frames to choose from. On the one hand, to ensure the lighting function and on the other hand, to ensure the aesthetics of the column to match the landscape where it is installed.
Device for lifting and lowering lights frame
- Type of winch with worm gear structure, fully self-locking. Maximum lifting capacity 1150kg. Max lifting speed 6m/min, three-phase, or one-phase electric motor depending on the power supply.
- The service door structure is designed steady with hinges hidden inside, the 3-point wing locking mechanism, ensuring very solid, extremely safe, and anti-vandal.