單層和雙層電纜橋架進(jìn)行維護(hù)手法的不同
The assembly pallet is also called the combined tray. It is usually used as a place where the cable is large, the section is large, the load is heavy, and the space conditions are installed and fixed. The assembly pallet is usually a single layer. It is more convenient for the application and maintenance of the tray and the ladder frame.
在大型配電控制中心的地下技術(shù)夾層，為便于眾多的電纜進(jìn)出也常使用此類托盤。戶外電纜橋架的托盤，其帶有蓋板可遮陽、避塵灰、以保護(hù)電纜。在公共通道或戶外跨越道路段、底層梯架上加墊板是為防止外部機(jī)械損伏傷電纜。
This kind of tray is often used for the convenience of a large number of cables to get in and out of a large number of cables in the large distribution control center. The tray of the outdoor cable bridge has a cover board to cover the sun, avoid dust, and protect the cable. Adding a mat to the public passage or outdoor crossing road section and the bottom ladder is to prevent the external mechanical damage cable.
母線槽用于電纜多、截面大、荷載重、又具有成片安裝固定的空間條件的場所。組裝托盤通常為單層，它比較普通多層的托盤、梯架更便于敷線和維護(hù)。
The busbar slot is used in the place where the cable is large, the section is large, the load is heavy, and the space conditions are installed and fixed. The assembly pallet is usually a single layer. It is more convenient for the application and maintenance of the tray and the ladder frame.
在大型配電控制中心的地下技術(shù)夾層，為便于眾多的電纜進(jìn)出也常使用此類托盤。選用非標(biāo)準(zhǔn)部件時(shí)，其技術(shù)要求、試驗(yàn)和檢驗(yàn)規(guī)則、計(jì)價(jià)、包裝等應(yīng)滿足本規(guī)范的規(guī)定，指在確保工程質(zhì)量和標(biāo)準(zhǔn)的一致性。
This kind of tray is often used for the convenience of a large number of cables to get in and out of a large number of cables in the large distribution control center. When selecting non-standard components, its technical requirements, test and inspection rules, valuation and packaging shall meet the requirements of this regulation, and ensure the consistency of engineering quality and standards.
槽式電纜橋架及其支吊架使用在有腐蝕性環(huán)境中，應(yīng)采用耐腐蝕的剛性材料制造，或采取防腐蝕處理，防腐蝕處理方式應(yīng)滿足工程環(huán)境和耐久性的要求。
The trough type cable tray and its support and hangers are used in corrosive environment. They should be made of corrosion-resistant rigid materials or taken anticorrosive treatment. The way of anticorrosion treatment should meet the requirements of engineering environment and durability.
電纜橋架在有防火要求的區(qū)段內(nèi)，可在電纜梯架、托盤內(nèi)添加具有耐火或難燃性能的板、網(wǎng)等材料構(gòu)成封閉或半封閉式結(jié)構(gòu)，并采取在橋架及其支吊架表面涂刷防火涂層等措施，其整體耐火性能應(yīng)滿足有關(guān)規(guī)范或標(biāo)準(zhǔn)的要求。
Cable tray in a fire in the section, the cable tray ladder, added with fire or flame retardant properties of the plate, net material enclosed or semi enclosed structure, and take on the bridge and the support surface coated with fireproof coating and other measures, the resistance should meet the national requirements or relevant norms standard.
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