講解一下電纜橋架配件知識
電纜橋架適合用于工礦企業(yè)室內外架空敷設電力電纜、控制電纜，也用于電信、廣播電視等部門(mén)的室內外架設。電纜橋架是由托盤(pán)或梯架的直線(xiàn)段、彎通、組件以及托臂（臂式支架）、吊架等構成具有密接支撐電纜的剛性結構系統之全稱(chēng)。它是隨管廊一起搭設的放置電纜線(xiàn)的線(xiàn)槽類(lèi)的金屬架。電纜橋架廠(chǎng)具有品種全、應用廣、強度大、結構輕、造價(jià)低、施工簡(jiǎn)單、配線(xiàn)靈活、安裝標準、外型美觀(guān)等特點(diǎn)。
Cable tray suitable for use in industrial and mining enterprises inside and outside aerial power cable, control cable laying, also used in telecommunications, broadcasting and television departments such as indoor and outdoor set up. Cable tray by tray or a straight run of ladder, curved, components and bracket timbering (arm), hanger, etc with contact support the full name of the rigid structure of the cable system. It is raised with the pipe rack placed cable trough type metal frame. Cable tray factory have all varieties, wide application, intensity big, light structure, low cost, simple construction, flexible wiring, installation standards, appearance, etc.
為了規范電纜橋架配件和電纜橋架市場(chǎng)，相關(guān)部門(mén)公布了橋架配件的標準定義。電纜橋架廠(chǎng)家提醒諸位，電纜橋架的購買(mǎi)也是極其重要的，配件的選擇需要、抗壓，能滿(mǎn)足施工需要。常用的電纜橋架有三通、彎頭、異徑、螺絲、扣鎖、托臂、吊桿、橫擔、連接片、接地線(xiàn)等等。
In order to standardize the market for cable tray accessories and cable tray, related department released the standard definition of bridge accessories. Cable tray factory to remind you, purchase of cable tray is extremely important, the choice of accessories need to high quality, compressive strength, can meet the needs of the construction. Commonly used cable bridge has three links, elbow, reducer, screw, padlocks, bracket, derrick, cross arm, connecting pieces, ground wire, and so on.
常用的橋架附件有電纜終端接線(xiàn)盒、電纜中間接線(xiàn)盒、連接管及接線(xiàn)端子、鋼板接線(xiàn)槽等等。對于振動(dòng)場(chǎng)所，在接地部位的連接處應裝置彈簧圈。橋架系統應具有可靠的電氣連接并接地。當允許利用橋架系統構成接地干線(xiàn)回路時(shí)應符合一下要求：
Commonly used bridge accessories have cable terminal connector, cable junction box, connecting the middle tube and terminal blocks, wiring groove of the steel plate and so on. For vibration place, in the joint of ground parts should be spring coil. Bridge system should have reliable electrical connection and ground. When allowed to use bridge system grounding should conform to the requirements of main loop:
1、橋架端部之間連接電阻不能大于0.00033歐姆，接地孔應絕緣涂層。
1, the connection between the bridge end resistance is not greater than 0.00033 ohms, grounding insulation coating shall be removed.
2、在1kv及以下中性點(diǎn)直接接地系統中，受電設備的接地與系統中性線(xiàn)接地相連。
2, in the neutral point grounding system directly 1 kv and below, from electrical equipment grounding connected to the neutral grounding system.
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