Lattice Transmission Towers
Single equal angles or combined angles form the main framework, with welded base parts and conditional climbing access.
Lattice transmission towers are open steel frameworks designed to support overhead conductors while maintaining necessary safety clearances from ground wires, the ground, and structures. These spatial truss structures are assembled from individual or compound equilateral angle steel members; gusset plates join adjacent members at the nodes, with standard bolts transferring shear forces at the connections. The tower base assembly may be fabricated by welding multiple steel plates, while the remainder of the tower utilizes a bolted sectional design to facilitate transport and installation. The steel grades used are Q235 and Q345. The tower surfaces are hot-dip galvanized for corrosion protection, and for towers under 60 meters in height, climbing rungs may be installed on one of the main structural members.
Components
|
Part |
Function |
|
Angle-steel members |
Single equal angles or combined angles forming the open spatial truss. |
|
Connection plates |
Steel plates joining adjoining lattice members at the structural nodes. |
|
Coarse bolts |
Fasteners that carry shear through the bolted connections. |
|
Tower-foot component |
Base part that may be formed from several welded steel plates. |
|
Climbing pegs |
Access fittings placed on one principal member below 60m. |
Main Applications
• Overhead conductor routes requiring an open spatial truss built from angle-steel members.
• Tower positions using Q235 or O345 steel in single equal-angle or combined-angle form.
• Sectional structures joined by connection plates and coarse bolts for transport and erection.
• Tower-foot arrangements where several steel plates are welded into a combined base component.
• Galvanized lattice structures below 60m where climbing pegs may be fitted to one principal member.
Our Factory
Angle processing includes BL2020 and BL1412C CNC steel lines, covering angle capacities of 200×20 and 140×12. A PP103813B CNC hydraulic punching machine handles 24mm holes, while additional radial and vertical drills support other hole work. This equipment base is directly relevant to a lattice package built from marked angles, plates, bolt holes, and repeatable member geometry. Member marking and hole preparation can remain connected with the intended bolted-node arrangement before sectional supply.
FAQ
Q: What defines the structure of Lattice Transmission Towers?
A: They use an open spatial truss made from angle-steel members, connection plates, and coarse bolted joints.
Q: How are the joints assembled?
A: Connection plates gather the members, and coarse bolts carry shear across the connected sections.
Q: Which member arrangements are available?
A: The framework may use single equal angle steel or combined angle steel with Q235 or O345 grades.
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