1. The wing plate of the triangular connection device has an integrated inner concave plate, which can be combined more compactly when connected with the photovoltaic support column.
2. The lengthened waist hole on the wing plate of the triangular connector can be adjusted to a certain height in a small range.
3. It is composed of special-shaped wing plate and bottom plate. The two special-shaped wing plates can be perfectly connected with the columns of the photovoltaic support, and the bottom plate is connected with the inclined beams of the photovoltaic support.
