Energy-saving and corrosion-resistant bridges can be erected independently, and can also be laid on various building (structure) structures and pipe corridor supports, reflecting the characteristics of simple structure, beautiful appearance, flexible configuration and convenient maintenance. Knowledge, the following will introduce in detail which regulations and wiring methods should be met for the selection of energy-saving and corrosion-resistant bridges.

What regulations should the selection of energy-saving and corrosion-resistant bridges meet?

The selection of energy-saving and corrosion-resistant bridges should comply with the following regulations. When there are a large number of all-plastic cables that are laid, or the cable span is large, and the high-voltage cables are arranged in a serpentine manner, cable bridges should be used. When the straight section of the ladder frame and the pallet exceeds the following length, there should be an expansion joint of not less than 20mm: steel, 30m. Aluminum alloy or glass steel, 15m. The cable tray shall meet the requirements of smooth and burr-free surface, durability and stability suitable for the use environment, the required load-bearing capacity, and the fire protection requirements of the project. The strength of the cable bridge should meet the load requirements of the cable and its accessories and the force requirements for installation and maintenance. It may be calculated as an additional concentrated load of 900N when it is possible to get on temporarily.

Wiring method of energy-saving corrosion-resistant bridge

The selection of energy-saving and corrosion-resistant bridges is a supporting project of the wiring project. There is no special specification guidance. The specifications of various manufacturers lack universality. Therefore, the design selection process should be based on the cable type and quantity of each electrical system. The choice of energy-saving and corrosion-resistant bridges to be applied.

(1) Determine the direction: According to the building layout plan, combined with the air conditioner pipeline and electrical pipeline installation, convenient maintenance, and the density of the cable routing to determine the best route of the cable tray. Indoors, it should be erected along the walls, columns, beams and floor slabs of the building as much as possible. If there is no other pipe rack to borrow, you need to set up (support) the column.

(2) Load calculation: Calculate the cable weight per unit length on the longitudinal section of the main line of the cable bridge.

(3) Determine the width of the bridge: Determine the type and specifications of the cable bridge, the length of the support arm, the length and spacing of the pillars, the width and the number of layers of the cable bridge according to the number of cables, cable diameter and cable spacing.

(4) Determine the installation method: determine the fixing method of the bridge according to the installation conditions of the site, choose the hanging type, upright type, side wall type or mixed type, the connecting parts and fasteners are generally supplied matching, in addition, according to the bridge Select the appropriate cover for the structure.

(5) Draw a flat and cross-sectional view of the cable tray, and a space map should be drawn in some parts, and a material table should be listed.