The powerline power tower is a bolted steel tower used to carry conductors and accessories along overhead power routes. It keeps line clearance safe and controls the distance between wires, which is important in long spans, windy sites, and areas with uneven ground. The tower usually includes main legs, bracing members, cross arms, insulator fixing points, gusset plates, bolts, step bolts, and foundation connection parts. Material grade, tower height, leg width, and member thickness are chosen by span, conductor load, wind speed, ice thickness, and the installation position in the line.
Product Parameters
|
Parameter |
Details |
|
Steel grade |
Q235, Q345/Q355, or project-specified material |
|
Structure |
Bolted lattice structure or steel pipe combined structure |
|
Surface |
Hot-dip galvanized surface for outdoor service |
|
Use position |
Straight, corner, tension, terminal, and crossing points |
|
Packing |
Bundle packing with part marks and connection hardware |
|
Inspection item |
Member size, hole accuracy, galvanizing surface, and bolt matching |
Components
1. Main legs and diagonal braces form the load path from conductor tension to the foundation.
2. Cross arms hold insulator strings and keep each phase in the required position.
3. Step bolts and platforms can be added when the powerline power tower needs inspection access.
Installation Notes
1. Sort steel members by part mark before assembly to reduce wrong matching on site.
2. Do not drag galvanized surfaces on hard ground because deep scratches need touch-up treatment.
3. Check verticality and bolt tightening after each tower section is completed.
Product Advantages
Bolted members make field assembly easier than fully welded large sections.
The lattice body reduces wind area while keeping enough strength for conductor and wind loads.
Tower type can be adjusted to local line route instead of using one fixed frame.
FAQ
Q: Is the tower delivered fully assembled?
A: No. It is normally delivered as marked steel members and bolting parts.
Q: Can it be used in coastal areas?
A: Yes, but anti-corrosion design should be strengthened with galvanizing and optional coating.
Q: What should be checked before ordering a powerline power tower?
A: Voltage level, span, conductor data, wind speed, ice load, tower position, and drawing requirements should be checked.
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