The L-07-100/400 Yoke Plate is an internationally recognized yoke plate with a mature structure and high interchangeability. It perfectly matches 110kV–220kV transmission lines and double-split conductors. Its high-strength design ensures safer use, with a rated breaking load ≥100kN and a safety factor ≥2.5. Made of Q355B/A572 Gr.50 high-strength steel plate with a thickness of 16mm, it effectively resists icing, wind vibration, and conductor galloping, making it suitable for demanding applications such as long-span overseas locations, mountainous areas, coastal areas, and areas with strong winds.
The L-07-100/400 Yoke Plate's advantages lie in its high hole precision and zero installation obstacles. It features high-precision control of the key hole spacing (400mm) and a standard tolerance of φ22H7 hole diameter, allowing for smooth assembly with M20 hot-dip galvanized bolts. Visually, it exhibits good flatness, no deformation, and uniform stress on the insulator string, preventing eccentricity and jamming, thus reducing the difficulty of high-altitude operations. When used in corrosive environments, the surface is hot-dip galvanized, requiring a zinc layer thickness of ≥86μm, and has a service life of 20-30 years.
L yoke plate is widely used in the connection hardware of power transmission system, and is used for the assembly and adjustment of insulator strings, conductors and tension wires in overhead lines. Its appearance is "L" shaped, with different sizes and specifications to meet the needs of different transmission lines.
L yoke plate is widely used in the connection hardware of power transmission system, and is used for the assembly and adjustment of insulator strings, conductors and tension wires in overhead lines. Its appearance is "L" shaped, with different sizes and specifications to meet the needs of different transmission lines. Its length, width, thickness, hole size, and hole spacing can be designed according to specific usage scenarios and requirements. There are multiple holes on the L yoke plate, including hanging string holes and hanging wire holes. The hanging string holes are used to connect insulator strings, and the hanging wire holes are used to install suspension wire clamps or tension wire clamps, etc. These holes are used to connect with other power hardware and wires.
How to choose an L yoke plate that suits us? When selecting, we can consider the following aspects:
Voltage level
Transmission lines of different voltage levels have different requirements for the insulation performance and mechanical strength of L yoke plate. Only the correct selection can ensure safe and reliable operation under the corresponding voltage;
01
Wire specifications
Including the material, cross-sectional area, number of split wires, etc. of the wire, to ensure a firm connection with the wire and to withstand the pull and tension of the wire;
02
Insulator string type
Different types of insulator strings have different connection methods and force characteristics. Therefore, it is necessary to select a suitable coupling plate according to the type of insulator string to achieve good matching and connection;
03
Tower type
Different types of towers such as straight pole towers, corner pole towers, tension pole towers, etc. have different force conditions and requirements for hardware.
04
Common models of L yoke plate are L-1040, L-1240, L-1640, L-2140, L-2540, and L-3040. Different models of L yoke plate differ in main dimensions, breaking loads, reference quality, etc. to meet the needs of different transmission line projects. The use of the connecting plate can withstand various external forces such as the tension of the conductor, wind force, ice load, etc., to ensure that the line will not break or collapse due to loose connection, thus ensuring the safety and stability of power transmission. Reasonable selection and installation can optimize the structure and layout of the transmission line, reduce the power loss and voltage drop of the line, improve the transmission efficiency, reduce the transmission cost, and enable electricity to be more efficiently transmitted from the power plant to the user end.
Choosing the right L yoke plate often achieves twice the result with half the effort. Before purchasing, consider the application scenario, clearly determine the performance you need, and understand the performance characteristics of each model. This will help you make a better choice. Even within the same model, sizes, specifications, apertures, and applicable wire cross-sections can vary. If you're unsure about choosing an L yoke plate, please contact our customer service team. As a professional manufacturer, we're dedicated to helping you.
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