ZPMC obtained the invention patent authorization: \”A door frame manufacturing method for a double-car quayside container crane\”

Securities Star News, according to Tianyancha APP data, Zhenhua Heavy Industries (600320) has newly obtained an invention patent authorization, the patent is called \”A door frame manufacturing method for a double-car shore container crane\” ”, the patent application number is CN202210896765.2, and the authorization date is January 3, 2025.

Patent summary: The invention discloses a door frame manufacturing method for a double-car shore container crane, which includes the following steps: S1. Pre-positioning and anti-deformation assembly of the free edges of the wing plates on the rail-bearing beams Gap; S2. During the column assembly stage, draw three reference measurement points of the centerline of the sea and land sides on the column; S3. During the post-welding stage of three-sided forming and welding, correct and adjust The verticality of the column; S4. In the post-welding stage of the four-sided forming and welding, arrange the adjustment horizontal datum of the column; S5. Measure the straightness of the column on the sea and land sides; S6. In the stage of turning the column over 90°, Measure the process requirements of the column; S7, when the column turns over 90° again, trim the allowance of the column and install the flange plate; S8, assemble the left and right door frames. This invention improves the structural accuracy of each component by formulating requirements for marking, measuring, and inspection of the door frame structure, and ensures that the double trolley quay crane door frame is accurately assembled in place at one time.

Since the beginning of this year, ZPMC has obtained 15 new patent authorizations, an increase of 650% compared with the same period last year. Based on the company\’s 2024 interim financial data, the company invested 625 million yuan in research and development in the first half of 2024, a year-on-year increase of 39.96%.

Data source: Tianyancha APP

The above content is compiled by Securities Star based on public information and generated by intelligent algorithms (Network Information No. 310104345710301240019) and does not constitute investment advice.