




The electric crossbar stands as a quintessential component of power infrastructure, crafted as an angle iron that laterally graces the pinnacle of electric poles, playing a pivotal role in their structural integrity and functionality.
1. Functions and Uses
Support Wire: The cross-loader is ingeniously designed to accommodate insulators and metal apparatus, facilitating the support of wires and lightning protection lines. It ensures compliance with safety standards by maintaining the requisite safe distances.
Installation Equipment: Beyond support, the crossbar serves as the foundation for mounting critical line equipment like switching devices and lightning arresters, bolstering the system's resilience and efficiency.
2. Type and Structure
Type: Tailored to specific purposes and stress conditions, cross-loads are categorized into straight-load, tension-load, and corner-load varieties. Straight cross-bodies manage both vertical and horizontal wire loads, while tension-resistant ones also tackle wire tension differences. The corner cross-body adeptly handles significant one-sided wire tension challenges.
Structure: Typically crafted from robust metal materials such as angle steel, crossbars boast exceptional support. Innovations like fiberglass crossbars offer superior dielectric properties, mechanical strength, and remarkable corrosion resistance, meeting diverse operational demands.
III. Installation and Maintenance
Installation Position: Standard practice places the crossbar at a strategic 300mm below the pole's summit. For optimal performance, straight cross-bars should face the power-receiving side, while angle, terminal, and branch rods align along the pull-bar side.
Installation Method: Ensuring a dependable attachment, the crossbar is affixed to telephone poles using bolts or welding. The methodology may vary to suit specific pole types and power line configurations, guaranteeing steadfast installation.
Maintenance: Regular inspections and maintenance safeguard the crossbar's optimal condition. Prompt repair or replacement is imperative upon detecting corrosion, deformation, or damage, ensuring continuous structural reliability.
4. Characteristics and Advantages
Outstanding Support: Excelling under substantial weight and tension, the cross-load delivers a steadfast support platform, crucial for various power line installations.
Versatile Installation Methods: With the flexibility to accommodate diverse telephone pole types and line needs, the crossbar's adaptable installation techniques exemplify its versatility.
Enhanced Insulation Performance: While not primarily an insulating component, the crossbar occasionally contributes supplementary insulation benefits, enhancing the system's safety in specific scenarios.