40M 3 Legged Tubular Steel Tower Galvanized Structure Suitable for Telecom

Product Specification

40M 3 Legged Tubular Steel Tower Galvanized Structure Suitable for Telecom Microwave and Observation Applications

We specialize in designing and manufacturing customized steel towers for telecom, monitoring, observation, and security applications. Below is the detailed product information:

1.key Details:
Place of Origin: Hebei, China (Mainland) ; Brand Name: Jaoyao or OEM ; Model Number: Telecom Tower
Surface treatment: Hot Dip Galvanizied or painted.
2.Packaging & Delivery:
Packaging Details: Telecom tower will be bundled by Galvanized strapping as per client's requirements.
Deliver:Shipped in 20 days after payment from Tianjin port
Tower members: One steel tower is separated into several bundles.
Bolts: Packing material is robust nylon bag or steel drum.
3. Technical Data

What is the lattcie structure of 3 legged tubular steel tower?

The lattice structure of a 3-legged tubular steel tower is a truss-like framework that connects the tower’s three vertical tubular legs. Composed of smaller hollow steel tubes (consistent with the main leg material, e.g., seamless/welded steel tubes), these lattice members form crisscross horizontal and diagonal connections between the three legs, creating a triangular web-like pattern throughout the tower’s height. This structure works in tandem with the tower’s tapered design (wider at the base, narrower at the top) to distribute vertical loads (tower weight, equipment weight) and lateral forces (wind, seismic activity) evenly across the three legs. The tubular lattice not only enhances structural rigidity and stability but also optimizes aerodynamic performance—reducing wind drag by 30% compared to traditional angular steel lattice structures—making the tower highly adaptable to harsh or windy environments. Additionally, the use of tubular members ensures the structure is lightweight while maintaining high load-bearing capacity.

How to mount the MW dish on the 3 legged tubular steel tower?

Mounting a microwave (MW) dish on a 3-legged tubular steel tower follows a safe, standardized process aligned with the tower’s structural design and industry standards:

1. Pre-installation Verification: Confirm the tower’s load-bearing capacity (per TIA-222-G and GB 50017 standards) to ensure it can support the MW dish, mounting hardware, and associated loads. Inspect the tower’s pre-installed antenna brackets (integrated accessories) for structural integrity.
2. Bracket Preparation: Use the tower’s dedicated antenna brackets (or custom-fabricated brackets compatible with the tubular lattice) and secure them to the tower’s main legs or lattice trusses using Grade 8.8 high-strength bolts (ISO 898). Ensure brackets are aligned with the intended point-to-point communication path and tightened to specified torque.
3. Dish Lifting and Positioning: Employ cranes or specialized lifting equipment to hoist the MW dish to the target height (typically near the upper sections of the tower or on a maintenance platform). Adjust the dish’s azimuth and elevation to align with the receiving/transmitting endpoint, using laser alignment tools for precision.
4. Secure Fastening: Attach the MW dish to the mounted brackets using compatible hardware, ensuring a tight, wobble-free connection. Recheck bolt torque with calibrated tools to comply with AWS D1.1 welding and fastening standards.
5. Cable Routing: Route the dish’s signal and power cables through the tower’s integrated cable management systems (or along protected paths on the lattice structure) to avoid exposure to environmental damage. Ensure cables are properly insulated and waterproofed at connection points.
6. Final Inspection: Conduct a visual check of the dish, brackets, and connections to confirm stability. Test signal transmission to verify alignment and functionality. Adhere to safety protocols (e.g., fall protection for workers) throughout the installation.

Main structure of 3 legged tubular steel tower?

The main structure of a 3-legged tubular steel tower is a self-supporting, triangular-framed system designed for stability, load-bearing, and aerodynamic efficiency, consisting of three core components:

• Three Vertical Tubular Legs: The primary load-bearing elements, made of seamless or welded steel tubes (complying with Q345B/ASTM A500 standards). Arranged in a triangular configuration, these legs transfer the tower’s total weight (including equipment and environmental loads) to the foundation.
• Tubular Lattice Trusses: Smaller hollow steel tubes that connect the three main legs horizontally and diagonally. This crisscross truss system distributes loads evenly, enhances structural rigidity, and reduces wind resistance, forming the tower’s characteristic lattice pattern.
• Tapered Frame & Flange Connections: The tower narrows gradually from the base to the top (wider base, narrower top) to optimize resistance against strong winds (up to 200km/h) and earthquakes. Tower segments are joined via high-tensile bolted flanges, ensuring secure assembly and lowering maintenance risks.

These components form the structural backbone, with integrated accessories (e.g., platforms, ladders) adding functional support without compromising the main structure’s integrity.

Platform, ladder

A. Platform

• Purpose: Serves as a stable elevated workspace for installing, maintaining, or inspecting MW dishes, antennas, sensors, or other equipment. It also provides a safe resting point for workers during tower access.
• Design Features: Fabricated from galvanized steel (per ASTM A123 for corrosion resistance) and integrated into the lattice structure at specified heights. Equipped with safety railings to prevent falls and non-slip surfaces for worker stability. Engineered to support the weight of workers, tools, and equipment, aligning with the tower’s overall load-bearing capacity. May include access hatches for easy movement between tower sections.
• Key Advantage: Positioned strategically near equipment mounting points to streamline maintenance tasks, enhancing operational efficiency.

B. Ladder

• Purpose: A dedicated safety access system that allows workers to climb the tower to reach platforms, equipment, or upper sections for installation, inspection, or repairs.
• Design Features: Constructed from galvanized steel for durability and corrosion resistance, with evenly spaced rungs (per industry safety standards) for comfortable climbing. Equipped with anti-fall mechanisms (e.g., cable guides for safety harnesses) to minimize fall risks—consistent with the tower’s "anti-fall ladder" design specification. Attached vertically to the main legs or lattice trusses, ensuring a secure, stable path.
• Compliance: Designed in line with safety regulations and tower design standards (e.g., TIA-222-G, GB 50017), prioritizing worker protection during vertical access.

Together, the platform and ladder enhance the tower’s usability by enabling safe, efficient access to high-altitude equipment, supporting ongoing operation and maintenance while adhering to industry safety and durability requirements.

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Customer visits

Assembling,Galvanizing Steel Tower Testing

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Customized product types & advantage

Self Supporting Tower 
Self supporting tower usually is 3leg of 4leg tower, and its material is steel pipe or angle steel. As for the connection, tubular tower is connected by flange, and angle steel tower is connected by nuts and bolts. 
Features: 
1.Small coefficient of wind load, strong wind resistance. 
2.Save land resource, convenient location. 
Convenient transportation and installation. 

Pipe Steel Tower
The tube tower refers to a self-supporting high-rise steel structure with a tower column made of steel pipes and a tower body section in a triangular shape. Its main characteristics are that the three tube tower column is made of steel pipes and the tower body section is in a triangular shape, which is a high-rise steel structure different from angle steel.

Monopole Tower 
Single tube tower also called monopole tower, is a commonly used type, with beautiful appearance, covering an small area of 9 to 18 square meter, cost - effective , and is adopted by majority of the construction. Tower body adopt more reasonable section, which is connected through high strength bolt. It has the characteristics of easy installation and can adapt to a variety of complicated field site. 

Guyed Tower 
Guyed tower has a novel appearance,and its biggest characteristic is strengthened by using steel guy wire. Guyed tower is a common type of communication tower which is economical and practical. It is lighter and cheaper than the others. It is very suitable for the geographical wide areas. 

Guard Tower
The watchtower is a multifunctional building mainly used for observing the surrounding environment and playing an important role in multiple fields. Its design emphasizes harmony and unity with the natural environment, and the architectural style is usually coordinated with the surrounding environment. Observation towers are usually composed of tower bodies, platforms, towers, and ladders, with compact and durable structures.

Camouflaged Tree Tower
Camouflaged Tree Tower is also a kind of cartificial trees of Bionic tree tower, on base like a real one, plus the meticulous design, when placed among the real trees in sightseeing area, park and square, it will be a part of the nature. 
Features: 
1. Exquisite structure and gorgeous appearance. 
2. Strong structural stability and long working life. 
3. Small area covering and great economic effect.

Our Services

JIAYAO CO., LTD. is a professional telecom tower manufacturer and approved by ISO9001. We are committed to providing customers with the most optimized solutions and the best communication tower. Many products have been exported to USA, Europe and other 55 different counties.
We specialize in designing and manufacturer of angle steel tower, tube steel tower, monopole tower, pine tree tower, guyed tower and guard tower. Our departments include design, R&D, inspection, laboratory, QC, galvanization and steel tower departments. Our raw materials come from famous steel mills in China: HBIS Group, Baowu Steel Group, Shougang Group.
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