A prefabricated box girder reinforcement cage indoor processing transfer trolley

By designing an indoor processing and transfer trolley for precast box girder reinforcement cages with multiple transfer methods, the problems of limited transfer paths and posture deformation were solved, enabling multi-area transfer and efficient casting, thereby improving the production efficiency and forming quality of precast box girders.

CN122275150APending Publication Date: 2026-06-26CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD
Filing Date
2026-04-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing precast box girder steel cage transfer trolleys cannot achieve multi-area transfer, have limited routes, and are prone to posture deformation during transfer, affecting the forming quality.

Method used

A precast box girder reinforcement cage indoor processing and transfer trolley was designed, which has multiple transfer modes. Combined with track-walking wheels and a drive device, it can travel on the rails or detach from the rails for multi-path transfer, and pour concrete directly on the trolley to avoid secondary transfer and posture deformation.

Benefits of technology

This enabled multi-area transfer and efficient casting of precast box girder reinforcement cages, improving production efficiency, avoiding deformation problems during transfer, and ensuring molding quality.

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Abstract

This invention relates to the field of precast box girder production technology and discloses an indoor processing and transfer trolley for precast box girder reinforcement cages. The trolley includes a connecting box fixedly installed below a transfer platform and rails fixedly laid on a concrete surface. Track wheels capable of traveling on the rails are fixedly installed below the connecting box. The trolley also includes a drive device, evenly distributed at the bottom of the connecting box to support it, allowing the track wheels to detach from the rails for multi-path transfer of the precast box girder reinforcement cages. A bottom mold is fixedly installed on the top of the transfer platform. By using the bottom and side molds, the casting mold for the precast box girder is first built before processing the reinforcement cage. Then, the precast box girder reinforcement cage is built on the bottom and side molds. After processing, it can be directly transferred to the concrete pouring area, where the side molds are directly built for pouring, avoiding secondary transfer of the reinforcement cage and preventing deformation during transport.
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