A method of manufacturing a crane girder

By adopting a pentagonal structure design with the cover plate below the center and a bending process in the crane beam, the problems of large welding volume and difficult deformation are solved, which improves production efficiency and equipment life, reduces dust and rainwater accumulation, and facilitates cleaning.

CN122401004APending Publication Date: 2026-07-17HUNAN CHINA RAILWAY WUXIN HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN CHINA RAILWAY WUXIN HEAVY IND CO LTD
Filing Date
2023-01-16
Publication Date
2026-07-17

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Abstract

本申请公开的一种起重机梁体的制造方法，包括以下步骤：S1、材料配置；S2、点焊组件；S3、盖板预处理；S4、隔板点装；S5、同侧腹板点装；S6、预装筋板；S7、盖板折弯；S8、筋板固定；S9、对侧腹板点装；S10、梁体封闭。本申请公开的起重机梁体的制造方法，相较于现有技术而言，该制造方法能减少焊接量、控制梁体变形、提高生产效率、降低制造成本，使雨水、尘灰不易堆积于梁体盖板上，便于清扫，提高设备的使用寿命。
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