On-site assembly type roof maintenance climbing ladder

Abstract

The invention relates to an on-site assembly type roof maintenance climbing ladder. The on-site assembly type roof maintenance climbing ladder comprises a ladder section and a protective cage component arranged on the ladder section, wherein a rest platform can be arranged in the middle of the ladder section; the upper ladder section and lower ladder section of the rest platform are arranged in aleft and right staggered manner; the protective cage component comprises a protective cage hoop and protective cage vertical rods; the protective cage hoop is a polygon with an opening at one side; and the protective cage vertical rod is fixedly arranged at each side of the protective cage hoop. Compared with the prior art, the on-site assembly type roof maintenance climbing ladder has the advantages that the protective cage of the climbing ladder is designed as a standard part, and is connected to the ladder section by bolts on site, and the protective cage hoop is of a polygonal structure, and is convenient for processing, production and subsequent correction.

Description

technical field [0001] The invention relates to the technical field of roof maintenance, in particular to a field-assembled roof maintenance ladder. Background technique [0002] Steel ladders commonly used in roof maintenance in industrial and civil buildings are generally deepened and manufactured according to the Atlas of "15J401 Steel Ladders" (hereinafter referred to as Atlas). [0003] First of all, the most common surface treatment method for roof maintenance steel ladders exposed to the outdoors for a long time is galvanized. At present, the processing technology usually used in steel structure factories is hot-dip galvanizing after welding and forming of ladder sections and cages. Due to the small thickness of the material used, the local thermal deformation during the welding process and the thermal deformation during the hot-dip galvanizing process cannot be avoided. In the process of sending to the galvanizing factory for galvanizing, the back and forth hoistin...

AI Technical Summary

Problems solved by technology

Due to the small thickness of the material used, the local thermal deformation during the welding process and the thermal deformation during the hot-dip galvanizing process cannot be avoided

In the process of sending to the galvanizing factory for galvanizing, the back and forth hoisting will also cause distortion and deformation of the ladder (especially the cage part)

Generally, after galvanizing, the deformed part of the ladder needs to be baked and corrected once. After the galvanized surface is damaged by heating, even if it is repaired by coating silver powder paint, it will still have a great impact on the appearance and anti-rust performance.

And when the height of the ladder is higher, the deformation is more obvious. Although it has been rectified in the later stage, satisfactory results cannot be obtained. After the bumpy and unlucky transport of long distances, further distortion and deformation will appear, and even the cage hoops of the cage will appear. shedding phenomenon

At the same time, the cost of transportation after the overall production and molding is relatively high, and the economy is not strong

[0004] Secondly, the hoop of the cage adopts a semicircular form, which requires high processing accuracy, especially after hot-dip galvanizing, back and forth transportation and correction of deformation caused by hoisting, the requirements for construction site personnel are even higher. harsh

However, the rigidity of the cage pole is obviously insufficient, which makes it difficult to ensure its flatness and verticality in actual engineering.

[0005] Furthermore, the rest platform plan provided by Atlas is made of angle steel and checkered steel plate, which is not the best structural structure for the relatively large load capacity of the supporting body

[0006] In addition, the old Atlas of "02J401 Steel Ladder", the current anti-mis-climbing measures for climbing ladders, provides the method of moving the lower section of the ladder, which is laborious and ineffective in actual use, while the atlas of "15J401 Steel Ladder" does not provide relevant solutions

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