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Corner Planks
Product Description A typical swivel connection fitting in electrical equipment, so named due to its integrated 90° angle structure. Its main function is to change the direction of force to achieve a vertical or horizontal connection between individual components. Main Structure and Str...
Description
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Product Description
A typical swivel connection fitting in electrical equipment, so named due to its integrated 90° angle structure. Its main function is to change the direction of force to achieve a vertical or horizontal connection between individual components.
Main Structure and Structural Features
Structure of the Rectangular Bracket
The structure of the rectangular bracket is designed with its "swivel connection" function in mind, ensuring simplicity and target efficiency.
Main Structure
It is formed by welding or forging two mutually perpendicular metal plates into an L-shaped (rectangular) frame.
Connection Holes
Each perpendicular plate is equipped with 1–2 connection holes. These holes are intended for bolts or pins that connect fittings or equipment in different directions.
One set of holes is typically connected to fixed ends, such as towers or crossbars.
The other side is connected to load-bearing ends, such as insulating chains or conductor fittings (e.g., U-shaped clamps).
Stress Optimization
Some models feature internal stiffening ribs at the right angle or adopt one-piece forging technology to enhance bending and tensile resistance at the right angle, preventing damage caused by stress concentration.
Materials and Surface Treatment
Material Selection and Surface Treatment
Material selection and surface treatment are primarily determined by the requirements for mechanical strength and corrosion resistance in power industry applications.
Main Materials
The main materials used are carbon steel (e.g., Q235 steel) and alloy steel (e.g., 45# steel, 40CrMo steel).
Q235 steel is widely used in standard applications due to its low cost and ability to meet basic strength requirements.
Alloy steels are selected for high-voltage, extra-high-voltage lines, or scenarios with high loads to enhance overall mechanical properties.
Surface Treatment
Hot-dip galvanizing is uniformly applied. The zinc coating isolates the steel from air, moisture, and contaminants, effectively preventing rust and ensuring long-term stable operation in harsh conditions such as open-air, coastal, and industrial areas.
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