| 摘要 |
PURPOSE: A Y-type steel pole is provided to perform the role of two single poles using only one pole and to install two pole transformers and two switches. CONSTITUTION: A Y-type steel pole comprises an underground pole(2), a ground pole(3), an Y-type branch pole(7,7'), and installation supporters(4). The underground pole is installed in the ground(1). The ground pole is connected to the top of the underground pole. The Y-type branch pole is connected to the ground pole. The installation supporters are formed in the Y-type branch pole. Pole transformers(5) or a switch(6) are installed in the installation supporters.
|
