How to choose led street light pole ?
Technical requirements
1. Double arm road lamp is double single fire lamp, motor lane lamp is 1 1.5 meters from ground, sidewalk lamp is 8.5 meters from ground, bilateral cross arrangement, spacing is 50 meters. The fast lane street lamp light source is three light source 120 WLED street lamp, the sidewalk street lamp light source is three Feng source 80 WLED street lamp. The highway generally uses 12 m high pole lamp, the cantilever has single pick double pick 400 W high pressure sodium lamp.
2. lampposts are made of high quality Q235A steel (the silicon content of steel is not more than 0.04%), Reference brand Shanghai Baosteel, Ma Steel, Shougang, etc.) Bending molding conical rod, One molding, A lamppost made mm 4 thick steel plates, Lamp pole wall thickness does not include galvanized layer thickness. The main rod of the lamp pole is a conical rod, About 85 mm in diameter, Bottom diameter is about 200 mm. All poles are of 60 mm diameter steel pipe, The length of the driveway is 1.6 meters, The sidewalk is 1.2 meters, 3 mm wall thickness.
3. the lamp pole surface is smooth, there must be no cracking, leakage welding, continuous porosity, edge bite, inequality. The straight line error of the center line of the lamp pole is not more than 0.02% of the length of the rod, the appearance of the rod body has no uneven and no trace, and the appearance of the lamp pole has no obvious defects.
4. lamp pole welding mode is automatic sub-arc welding, ultrasonic inspection, up to welding GBl1345Ⅱ standard requirements. The lamp pole sleeve is fixed by nail and top wire.
5. lamp pole is treated with hot dip galvanizing anticorrosion, zinc layer is not less than 75 micron, the surface is practical and smooth, the color is basically the same, after hammering test, no skin, no peeling, no life is not less than 20 years after hammering test.
6. lamppost spray should use high quality outdoor pure polyester plastic powder, color to be agreed, smooth surface, plastic layer quality stability, no fading, no shedding, strong adhesion, strong UV resistance, service life should not be less than 20 years, thickness ≥80 um, meet the ASTMD339-83 standard.
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