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Climbing frame is also called lifting frame

Date:

2019-09-06 17:43

  Climbing frame is also called lifting frame, according to its power source can be divided into hydraulic type, electric type, human hand-pulled type and other major categories. It is a new type of scaffolding system developed in recent years, mainly used in high-rise shear wall type buildings. It can climb or descend upwards along the building. This system makes a complete change in scaffolding technology: firstly, it is not necessary to turn over the shelf; secondly, it dispenses with the disassembly process of scaffolding (once assembled and used until the construction is completed), and is not limited by the height of the building, which greatly saves manpower and materials. And in the safety point of view also for the traditional scaffolding has a big improvement. It is a great advantage in the development of high-rise buildings. However, it also has the disadvantage of fixed structure without variation.
  Floor-standing scaffolding.
  Scaffolding advantages.
  1) Larger load-bearing capacity. When the scaffolding geometry and structure in line with the relevant requirements of the code, in general, the scaffolding of the single tube column bearing capacity of up to 15kN ~ 35kN (1.5tf ~ 3.5tf, design value).
  Fastener type steel pipe scaffolding
  2) Easy to install and disassemble, flexible erection. Because the length of the steel pipe is easy to adjust, the fasteners are easy to connect, so it can be adapted to a variety of planes, elevations of buildings and structures with scaffolding.
  3) relatively economic, simple processing, a low investment cost; if carefully designed scaffolding geometry, pay attention to improve the use of steel pipe turnover, the amount of material can also achieve good economic results. Fasteners steel pipe scaffolding equivalent to about 15 kg of steel per square meter of construction.
  Disadvantages of scaffolding.
  1) fasteners (especially its screw) are easily lost.
  The tightening torque of the screw should not be less than 40 N-m and not more than 65 N-m; [1] 
  2) the bars at the nodes are eccentrically connected and rely on anti-slip forces to transfer loads and internal forces, thus reducing their load-bearing capacity
  3) The connection quality of the fastener node is significantly affected by the quality of the fastener itself and the operation of workers.

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