Garbage collecting device capable of achieving spiral conveying

By using a differential speed transport design with inner and outer spiral blades, the problem of single-spiral-blade shaftless screw conveyors being unable to break up viscous waste has been solved, achieving a highly efficient waste transport effect.

CN224132019UActive Publication Date: 2026-04-17HUNAN CHANGSHA HUANGHUA WATER SUPPLY CO LTD
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Patent Information

Application Number
CN202521123614.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-04-17
Estimated Expiration
2035-06-04

AI Technical Summary

Technical Problem

Existing shaftless screw conveyors with single helical blades are unable to effectively break up viscous waste, leading to clumping and reduced transportation efficiency.

Method used

It adopts an inner and outer spiral blade design. The pitch of the outer spiral blade is smaller than that of the inner spiral blade. The differential speed transport makes the garbage crushed between the inner and outer spiral blades. The pitch of the inner spiral blade is larger, the transport speed is faster, and small-volume garbage is quickly output.

Benefits of technology

It improves waste transportation efficiency by effectively breaking down viscous waste through the differential speed transport design of the inner and outer spiral blades, thereby increasing transportation speed and efficiency.

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Abstract

The utility model relates to the technical field of conveyors, in particular to a spiral conveying garbage collecting device which comprises a conveying cylinder, rotating holes are formed in the two ends of the conveying cylinder respectively, rotating cylinders are rotationally installed in the two rotating holes respectively, outer side spiral blades are arranged in the conveying cylinder, and outer side spiral blades are arranged in the outer side spiral blades. The two ends of the outer side spiral blade are coaxially fixed to the two rotating cylinders correspondingly, and a second servo motor is fixed to the other end of the conveying cylinder. The design of the inner spiral blade and the outer spiral blade is adopted, and the screw pitch of the outer spiral blade is smaller than that of the inner spiral blade, so that the inner and outer conveying speeds of garbage are different, the conveying speed of the inner garbage is higher than that of the outer garbage, and the garbage is easily twisted between the two spiral blades to be smashed in a differential conveying mode; due to the fact that the screw pitch of the inner side spiral blade is large, the conveying speed is high, the garbage smashed into small size is rapidly conveyed out by the inner side spiral blade, and the overall conveying efficiency is improved.
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