What Is Connecting Yoke Plate?

Dec 12, 2025

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The connecting yoke plate is a "force-bearing central hub for multi-component connections." On the one hand, it integrates dispersed components (such as insulator strings, conductors, and mechanical shafts) into a stable whole; on the other hand, it evenly transmits loads such as tension and torque, avoiding stress concentration at single points. In the power industry, it is clearly defined as "a plate-shaped connecting hardware that connects several insulator strings or assembles multiple force-bearing branches into a whole"; in the mechanical industry, it is a key connecting component for transmitting power and absorbing vibration.

The structure of the Connecting Yoke Plate is crucial, and understanding it helps in understanding its performance and usage. The main structural features are as follows:
Basic Structure: The main body is a metal plate with two or more precisely machined holes on its surface. The hole layout is mechanically optimized, and the plate edges are often chamfered or rounded. Heavy-duty models may include reinforcing ribs.

Material Selection: Primarily high-strength materials, commonly carbon steel, ductile iron, aluminum alloy, and stainless steel.

Core Parameters: Hole diameter tolerances are mostly H7~H9 grade, hole spacing error ≤±0.1mm, load-bearing capacity ranges from tens of kN to thousands of kN, and must comply with international standards or industry specifications such as IEC 61284 and ANSI.

Connecting yoke plate

The performance characteristics of the Connecting Yoke Plate are crucial for understanding its proper use:
Connection Integration:Securely connects different components such as insulator strings, conductors, shafts, and supports, achieving precise "many-to-one" or "one-to-one" assembly.
Load Transfer:Evenly distributes and transfers tensile and torque loads, transmitting conductor tension in power lines and engine power to actuators in machinery.
Angle and Alignment Maintenance:Adapts to different connection angles while maintaining coaxiality or spacing between components to prevent misalignment.
Vibration Damping:some models can absorb vibrations from the transmission system, reducing component wear and extending the overall system's lifespan.

Connecting Yoke Plates are electrical connectors with wide applications in the power industry, as well as in mechanical manufacturing and other industrial sectors. Below is an analysis of their applications:
Power Industry: Connecting insulator strings and split conductors in overhead transmission lines; fixing busbars and equipment in substations; maintaining line tension and conductor spacing.
Mechanical Manufacturing: Torque transmission in drive shafts of heavy trucks and construction machinery; splicing frames and guide rails in industrial automation equipment; connecting robot joints.
Special Engineering: Fixing offshore wind turbine tower components; connecting helicopter rotor drive systems; reinforcing beam-column joints in steel structures.

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