What are the different forms of ladder technology?
When climbing with a straight ladder, the climb height is 5m. More than 2m, should be added cage, more than 8m, the need to set up ladder platform.
Fixed straight ladder. The fixed straight ladder is made of metal material and should be made of Class A 3 boiling steel. Ladder width should not be greater than 50cm, support should be used not less than L70X6 angle, buried and welding must be strong. The ladder at the top of the ladder should be flush with the top of the climb, and add 1 ~ 1.5m high handrails.
Staircase. The use of the upper end of the staircase to 35 ° ~ 45 ° angle is appropriate, the hinge must be strong, and should have reliable support measures.
Mobile ladder. According to the current national standard acceptance quality, does not meet the quality requirements should not be used.
What are the different forms of ladder technology?
