Our company manufactures Electric 3 hole yoke plates on a large scale according to different international and domestic standards, and supports customization. It is one of the common products in foreign trade export services. The basic structural parameters are as follows:
| Structural features | Require | Design Purpose |
| Number of holes | 3 | Enables branch connections with either "one in, two out" or "two in, one out" configurations to meet basic branching and transition requirements |
| Hole location distribution | Isosceles triangle distribution | The triangular distribution enhances the structural stability of the connection and disperses lateral loads |
| Aperture tolerance | ±0.1mm | Precisely matched with matching bolts and insulator hardware |
| Hole center distance | 50mm,75mm,100mm,125mm | It adapts to the connection dimensions of different models of insulator strings and conductor clamps, meeting standardized design requirements |
| Plate thickness | 6mm,8mm,10mm,12mm | The greater the thickness, the stronger the load-bearing capacity |
| Plate width | 40mm,50mm,60mm,80mm | To accommodate different connection spaces and load distribution requirements, the wide plate body can improve connection stability |
Many foreign customers inquire about the advantages of our Electric 3-hole yoke plate when purchasing it, especially compared to similar products. These advantages are our selling points when exporting, and they mainly focus on the following aspects:
High adaptability: The 3 hole structure is a universal connection type for power fittings, compatible with various conventional fittings without the need for adapters, reducing installation costs.
High precision: Utilizing CNC punching and laser cutting technology during production, the hole diameter tolerance is ±0.1mm, and the hole center distance error is ≤±0.2mm, effectively improving the structural stability of the line.
Full voltage coverage: Offers multiple load levels from 70kN to 210kN, adaptable to 10kV-500kV distribution and transmission networks, meeting the needs of lines with different voltage levels.
Full certification: Complies with mainstream international and domestic standards, meeting the market demands of different countries and regions, making it an ideal choice for export.
The standardized structure and stable performance of the electric 3 hole yoke plate have led to its widespread application in transmission lines, distribution lines, and power supply systems. The main application scenarios are as follows:
Power distribution lines
Suitable for 10kV-35kV operating conditions, such as rural power grid renovation projects. A 70kN yoke plate is used to connect the insulator strings of the main line with the two insulator strings of the branch line to realize the "one main and two branches" line layout, which can ensure the safe operation of the line.
Transmission lines
This is for 110kV-500kV operating conditions. For 220kV transmission lines, a 160kN grade three-hole yoke plate is used to connect the suspension point on the crossarm of the tower to two sets of parallel insulator strings to suspend double-split conductors, which can realize the fixation of the conductors and the transfer of loads.
Power supply system
In systems such as electrified railways and urban rail transit, a 70kN three-hole yoke plate is selected to suspend the catenary and contact wire. In particular, in the power supply system of urban subways, the three-hole structure is used to realize branch connection and transfer, ensuring the continuity and stability of power supply.
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