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橋架和線槽是兩個概念使用應注意分別

文章來源:http://www.ezxiaoyuan.com/?? 作者:電纜橋架廠家?? 發布時間:2022-05-16?? 瀏覽次數:

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橋架和線槽不能混為一談,畢竟橋架和線槽是兩個感念,而在使用的過程中自然是不能一概而論,使用應注意分別。下面來講講相關內容吧。
Bridge and trunking should not be confused. After all, bridge and trunking are two thoughts, which can not be generalized in the process of use. Attention should be paid to differences in use. Let's talk about the relevant contents.
1、強項不同。濟南橋架主要用于敷設電力電纜和控制電纜。線槽強度較低,通常用于鋪設電線和通訊電纜,如網絡電話。
1. Different strengths. Jinan Bridge is mainly used for laying power cables and control cables. The trunking has low strength and is usually used for laying wires and communication cables, such as Internet telephone.
2.轉彎半徑不同。橋架的彎曲半徑比較大,線槽多為直角彎曲。
2. Different turning radii. The bending radius of the bridge is relatively large, and the trunking is mostly bent at right angles.
3.跨度不同。橋架跨度比較大,線槽比較小。因此,固定支架差別很大,支吊架的數量差別很大。
3. Different spans. The bridge span is relatively large and the trunking is relatively small. Therefore, there are great differences in fixed supports and the number of supports and hangers.
4.填充率不同。根據JGJ16-20088.5.3,線槽內電線電纜的總截面不應超過線槽內截面的20%,載流導體不應超過30根,總截面不得超過電纜截面不應超過橫截面的40%。這是由于安裝高度不同造成的。對于較低的安裝高度,必須有一個蓋板。如果蓋板散熱不好,填充率要小一些。
4. The filling rate is different. According to jgj16-20088.5.3, the total section of wires and cables in the trunking shall not exceed 20% of the section in the trunking, the number of current carrying conductors shall not exceed 30, and the total section shall not exceed 40% of the cable section. This is due to different installation heights. For lower mounting heights, there must be a cover plate. If the heat dissipation of the cover plate is not good, the filling rate should be smaller.
濟南橋架
5.不同的密封。金屬線槽密封性好,無需支架支撐,可敷設在電纜溝和建筑夾層中。有些槽橋是半開放式的,必須用支架支撐,一般架設在屋內或屋外的空中。
5. Different seals. The metal trunking has good sealing performance and does not need support. It can be laid in cable trench and building interlayer. Some slot bridges are semi open and must be supported by supports. They are generally erected in the air inside or outside the house.
6.支吊架距離不同。根據JGJ16-2008,線槽不超過2m,橋架1.5~3m。
6. The distance between supports and hangers is different. According to jgj16-2008, the trunking shall not exceed 2M and the bridge shall be 1.5 ~ 3M.
7.安裝方式不同。橋架有特殊規范(詳見CECS31.91),但線槽固定沒有特殊規范。
7. Different installation methods. There are special specifications for bridge (see cecs31.91 for details), but there are no special specifications for trunking fixation.
8.蓋板問題。在CECS31《鋼制電纜橋架工程設計規范》中,定義橋架為總稱,蓋板為附件。JGJ16-20088.10.3規定,當橋梁的安裝高度不能滿足要求時,應加蓋保護。也就是說,橋這個詞的定義是沒有遮蓋的。但在GB29415-2013《耐火電纜橋架箱》中,線槽包括蓋板,是線槽的組成部分。
8. Cover plate problem. In cecs31 code for design of steel cable tray engineering, the tray is defined as the general name and the cover plate is the accessory. Jgj16-20088.10.3 stipulates that when the installation height of the bridge cannot meet the requirements, it shall be covered for protection. In other words, the definition of the word bridge is not covered. However, in gb29415-2013 fire resistant cable tray box, trunking includes cover plate, which is an integral part of trunking.
9.尺寸不同。橋架比較大(200×100到600×200),線槽比較小。如果電纜和電線較多,建議使用橋接器。
9. Different sizes. The bridge is relatively large (200) × 100 to 600 × 200), the trunking is relatively small. If there are many cables and wires, bridges are recommended.
10.材料的厚度不同。根據JGJ16-2008-5.1金屬線槽又稱槽型橋架,一般是由厚度為0.4-1.5mm的整塊鋼板彎制而成的槽形部分。從概念上講,橋與橋的區別在于高寬比不同,托盤淺。雖然很寬,但金屬線槽有一定的深度和封閉性。不過橋架比線槽強,多用于放置電纜,當然也可以放線,一般用于大功率系統。
10. The thickness of materials is different. According to jgj16-2008-5.1, metal trunking, also known as trough type bridge, is generally a trough shaped part bent from a whole steel plate with a thickness of 0.4-1.5mm. Conceptually, the difference between bridges lies in the different aspect ratio and shallow tray. Although it is very wide, the metal trunking has a certain depth and tightness. However, the bridge is stronger than the trunking. It is mostly used to place cables. Of course, it can also be set out. It is generally used in high-power systems.
電纜橋架作為布線工程的一個配套項目,目前尚無專門的規范指導,個別生產廠家的規格程式缺乏通用性,因此,設計選型過程應根據弱電各個系統纜線的類型、數量,合理選定適用的橋架。更多內容了解就來關注我們的網站www.ezxiaoyuan.com吧。
At present, there is no reasonable specification for the selection of cable tray type and the applicability of each cable tray system. Therefore, there is no specific cable tray design process according to the specification of each cable tray type. For more information, follow our website.
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