Abstract: Abstract:The LGBINtype 15t multifunctional highstrength steel combined holding pole is a new product developed by Shandong Electric Power Construction Second Engineering Company. The holding pole is all made of highstrength steel material, and an easily demountable hinged device is installed in the middle of the pole. The multipurpose exchange function of the single holding pole and the hinged holding pole was truly realized. The structure features and the technical difficulties of the new materialmade holding pole were described, and the manufacturing process and the quality control measures of the steel structural components were introduced.

Key words: Key words:holding pole, highstrength steel, hinged device, manufacturing process