As we all know, electricity can not be touched, and access to indoor electricity requires a certain carrier. We can see that the general industrial and mining enterprises indoor and outdoor overhead laying of power cables, control cables, and telecommunications, radio and television and other parts of indoor and outdoor power cables, all need to use cable bridge, then, what rules should be followed in the selection of cable bridge? Jinan Cable Bridge Frame reminds you that when choosing cable bridge, the specifications of the bridge frame are very important!
1. When choosing accessories, special attention should be paid to: all kinds of accessories should conform to engineering standards and be matched with the bridge;
2. For the selection of support and suspension, it should be arranged according to the specifications of the bridge, such as the size, span and number of stories. Special attention should be paid to meeting the requirements of the load. Overweight load will bring damage to the bridge.
3. Cable bridge needs certain height and width when choosing, and when choosing, we should pay attention to the fact that the true charge ratio of cable can not exceed the stipulated value of relevant standards and specifications. The control cable can be selected according to the standard of 50-70%, the same power cable can be taken 40-50%, and the development margin of 10-25% should be allowed.
4. In addition, the selection of the cross-sectional area of the bridge should refer to certain specifications: for example, the allowable small value of the cross-sectional area energy of 0-60 A is 129 mm, etc.
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