Adjustable steel support (steel pillar) from the lower casing and the cannula and the adjustable device composed of the cannula bolt holes drilled equally spaced, the upper sleeve is provided with an adjustable wire sets, flexible adjustment of the various columns height, convenient installation, especially for residential building template support system.
Adjustable steel support (steel pillar) similar to the construction template safety technical specifications (JGJ162-2008) in the form of GH-type tool steel column described, and to improve the original wall thickness 2. 4--2. 5mm to 3. 0mm, the national construction quality supervision and Inspection Center inspection, inspection of eight sets of steel support length 3m, applied load
Adjustable steel support structure and manufacturing process:1, material:q235 steel,?
2, the lower casing specifications 60 * 3mm, the top of the sleeve thread length 200mm.Thread processing using cold rolling process, rectangular thread rolling depth of 3mm, rolling to complete the actual thickness of not less than 4mm, slotted size of 145 * 14mm.3, the cannula size 48 * 3mm, in turn hit the bed diameter a13mm bolt hole (Bolt diameter A12mm).?4, the adjustment nut using ball mill cast iron, with high strength, toughness.?
5, adjustable steel support steel plate and steel roof and pipe welding using dioxin welding machine girth welding.
