Dust screen device for cooling pack of working machine and working machine

By designing a pivotable and detachable dustproof net frame structure, the problem of inconvenient installation and disassembly of dustproof nets in the confined space of the operating machinery cooling pack was solved, enabling convenient disassembly and cleaning of the dustproof nets.

CN224358163UActive Publication Date: 2026-06-16CATERPILLAR SARL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CATERPILLAR SARL
Filing Date
2025-03-31
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing dustproof nets are inconvenient to install and remove in the confined space of the cooling pack of operating machinery, especially when there are devices such as condensers and battery packs on the air inlet side of the cooling pack, making it difficult to effectively remove and clean them.

Method used

Design a dustproof net device whose frame consists of pivotally hinged and detachable frames, including a first side frame, a first end frame, a second side frame, and a second end frame. The dustproof net can be conveniently installed and disassembled by switching between an unfolded position and a retracted position.

Benefits of technology

It enables convenient installation and removal of dustproof nets in confined spaces, reduces space requirements during disassembly, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a dust screen device and working machine for operation machine cooling package, and the dust screen device comprises a frame and dust screen. The frame comprises first and second side frames and first and second end frames, two side frames are respectively pivotally hinged to both ends of the first end frame and are respectively detachably connected to both ends of the second end frame. The dust screen is permanently connected to the two end frames and detachably connected to the two side frames. The two side frames can be switched between the unfolded position and the folded position. In the unfolded position, the two side frames are connected to the second end frame and the dust screen to unfold the dust screen. In the folded position, the two side frames are detached from the second end frame and the dust screen and pivot laterally relative to the unfolded position so that the dust screen can be rolled up or folded up. The dust screen device of the utility model is convenient to disassemble and assemble in the narrow gap between the multiple devices arranged on the air inlet side of the cooling package in the rolled up or folded up state with reduced size.
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