Tool and method for pressing a shortened guard heavy telescopic rod

By designing a tool for holding the heavy-duty telescopic rod of the shortened protective cover, and using a torsion gear assembly and a screw hole gear assembly to convert rotational motion into axial motion, the problem of the hydraulic support rod not being able to fully extend is solved, enabling a safe and quick assembly and disassembly process, and improving the production efficiency and safety of the ultra-high-speed cigarette machine.

CN117506543BActive Publication Date: 2026-04-17CHINA TOBACCO SHANDONG IND
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Patent Information

Application Number
CN202311734019.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-14
Publication Date
2026-04-17
Estimated Expiration
2043-12-14

AI Technical Summary

Technical Problem

In the existing technology, during the maintenance process caused by the failure of the protective cover lifting mechanism, the hydraulic support rod cannot be fully extended, resulting in damage to parts, making maintenance difficult and posing safety hazards. Furthermore, the maintenance efficiency of ultra-high-speed cigarette machines is low, affecting production efficiency and safety.

Method used

Design a tool for holding a heavy-duty telescopic rod for shortening a protective cover, including a main base plate and clamping components. The rotational motion is converted into axial motion through a torsion gear assembly and a screw hole gear assembly, so as to achieve effective retraction and extension of the telescopic rod and ensure the safety and efficiency of the disassembly and assembly process.

Benefits of technology

It significantly reduces downtime, improves equipment production efficiency, ensures personal and equipment safety, reduces employee workload, improves maintenance quality, and reduces spare parts consumption.

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Abstract

This invention discloses a tool and method for holding a heavy-duty telescopic rod for shortening a protective cover, solving the problem in the prior art where the telescopic rod still retains supporting elasticity during disassembly. It effectively maintains the length of the telescopic rod, improving the efficiency of telescopic maintenance. The specific solution is as follows: A tool for holding a heavy-duty telescopic rod for shortening a protective cover includes a main base plate and a clamping component. The main base plate and clamping component clamp the upper connecting column of the telescopic rod. The upper connecting column is connected to an upper mounting block connected to the protective cover. The main base plate movably supports a torsion gear assembly. The torsion gear assembly can rotate relative to the main base plate under external force. The torsion gear assembly meshes with a screw-hole gear assembly through a transition gear assembly. The screw-hole gear assembly includes a screw-hole gear and a connecting rod. The screw-hole gear is threaded onto the connecting rod. One end of the connecting rod is connected to a fixing component. The fixing component is connected to the lower connecting column and lower mounting block of the telescopic rod.
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