Room alignment bridge, bridge room small traces of knowledge, InfoQuick bridge electrical equipment supplied by InfoQuick bridge electrical equipment. Henan InfoQuick bridge voltage electrical equipment Co., Ltd. (www.jtqiaojia.com) is a supplier of high quality Zhengzhou Alliance certified company, has InfoQuick bridge and other brands, has a good reputation, honesty, service-oriented "business alliance clicking on the page Customer Service "icon, we will be happy to serve you! Distribution boxes, cable tray vertical shaft, trough cable tray, tray cable tray, Ladder type cable tray, DJ-type large span cable tray, CABLOFIL mesh cable tray, hot dip galvanized cable trays, stainless steel cable tray, aluminum alloy cable tray, room alignment bridge, FRP cable tray room alignment bridge Tidbits, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co., Ltd. due to environmental temperature changes, there will be hot steel cable tray expansion shrink phenomenon. Outdoor bridge affected by temperature environment such as the maximum temperature is 40 ℃, the lowest temperature of -20 ℃ room alignment bridge, the largest cable tray shrinkage calculated by the following formula: Δt = 11.2 × 10-6 × 60deg (degrees ) × 1000mm conclude: when the temperature difference is 60 ℃, Δι = 0.672mm / m difference in temperature is 50 ℃ room alignment bridge Xinzheng there, Δι = 0.560mm / m difference in temperature is 40 ℃ room alignment bridge manufacturers Website, Δι = 0.448mm / m engineering design straight section of cable tray should consider expansion joints, expansion joints spaced take advice given by the following: When the temperature difference is 40 ℃ to 50m; to 40m when the temperature difference is 50 ℃; When the temperature difference According to the relevant provisions of the grounding InfoQuick bridge specification, galvanized cable tray good ground; while 60 ℃ is as 40m. Distribution boxes, cable tray vertical shaft, trough cable tray, tray cable tray, Ladder type cable tray, DJ-type large span cable tray, CABLOFIL mesh cable tray, hot dip galvanized cable trays, stainless steel cable tray, aluminum alloy cable tray, room alignment bridge, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co., a steel bridge routine maintenance: Use a clean, soft cloth to wipe the surface of recurrent Dust can trace. Never use a damp cloth, wipe with hard objects Shantou paint surface and mirror glass. Avoid contact with acid and alkaline chemicals and greasy substance. 2, steel bridge regular maintenance: generally focus on maintenance once every quarter. After soft cloth to wipe the surface dust tracks, with rubbed special wax polish uniform surface, wait and then polish with a clean, soft cloth and moisture. Less available oil wipe and dry, so that it can rotate flexibly and rust and oxidation. InfoQuick bridge