Folding ladder with adjustable terrain clearance

By designing a folding ladder with adjustable height and angle, the problem of existing ladders being unable to adapt to the height and width of the dry cooler foundation was solved, enabling flexible use and safe operation of the dry cooler.

CN224549999UActive Publication Date: 2026-07-24NANJING CANATAL DATA CENT ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202521334401.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-07-24
Estimated Expiration
2035-06-26

AI Technical Summary

Technical Problem

The existing ladder cannot be adjusted in height according to the height and width of the dry cooler installation foundation, which makes it inconvenient to use during assembly, installation, maintenance and repair.

Method used

A folding ladder with adjustable height from the ground was designed. The upper ladder section is connected by mounting holes and hinges, while the lower ladder section can be detached and installed via hinges. The upper handrail is equipped with buckles and stops to achieve the adjustment of the ladder's height and angle, ensuring safety and stability.

Benefits of technology

The ladder height and angle are flexibly adjustable to meet the needs of different scenarios, improve the convenience and safety of transportation and use, and ensure the stability and safety of climbing up and down the ladder on the dry cooler.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a folding ladder with adjustable terrain clearance, which comprises an upper ladder section and a lower ladder section, the upper ladder section comprises two upper grab rails and a plurality of upper foot bars which are connected between the two upper grab rails and are used for foot treading, and the lower ladder section comprises two lower grab rails and a plurality of lower foot bars which are connected between the two lower grab rails and are used for foot treading. A plurality of fixing plates are arranged on the upper ladder section and used for being fixed to a large air conditioner outdoor unit dry cooler, a plurality of mounting holes are formed in the two upper grab rails on the lower side portion of the upper ladder section in the length direction of the upper grab rails, and the upper ends of the two lower grab rails of the lower ladder section are detachably mounted on the mounting holes through hinges. The ladder has the advantage that the height can be adjusted.
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