叠式大板梁法兰盘找正工具
By designing a stacked large plate beam flange alignment tool, and utilizing a telescopic positioning mechanism and multiple positioning screws, the problem of poor flange alignment accuracy was solved, achieving efficient and accurate flange positioning, and ensuring the safety and precision of the boiler steel structure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG LUNENG GUANGDA STEEL STRUCTURE CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, the alignment accuracy of stacked large plate girder flanges is poor, which affects the assembly accuracy and safety of boiler steel structures.
A stacked large plate beam flange alignment tool was designed, including a horizontal plate and a vertical plate, and equipped with a telescopic positioning mechanism. Through the combined use of multiple positioning screws and sliders, the flange plate can be accurately positioned and adjusted.
It improves the alignment accuracy of the flange, ensuring the assembly accuracy and safety of the boiler steel structure. It is suitable for flange plates of different thicknesses and widths, and is simple and efficient to operate.
Smart Images

Figure CN224509401U_ABST
Abstract
Claims
1. A stack of large plate girder flange alignment tool, characterized in that, include: A horizontal plate (1) is provided with vertical plates (2) extending downward at opposite ends of the horizontal plate (1); The horizontal plate (1) is provided with a first telescopic positioning mechanism that can move vertically, and the positioning contact end face of the first telescopic positioning mechanism is located below the horizontal plate (1). Both vertical plates (2) are provided with a second telescopic positioning mechanism and a third telescopic positioning mechanism that can move laterally. The two second telescopic positioning mechanisms are symmetrically arranged, and the two third telescopic positioning mechanisms are symmetrically arranged. The third telescopic positioning mechanism is higher than the second telescopic positioning mechanism; The positioning contact surfaces of the second telescopic positioning mechanism and the third telescopic positioning mechanism are parallel to each other and are both located between the two vertical plates (2); the positioning contact surface of the second telescopic positioning mechanism is perpendicular to the positioning contact surface of the first telescopic positioning mechanism.
2. The alignment tool for flange plates of large plate girders according to claim 1, characterized in that The first telescopic positioning mechanism includes a first positioning nut (31) and a first positioning screw (32) threadedly connected to the first positioning nut (31). The horizontal plate (1) is provided with a first through hole penetrating its upper and lower surfaces. The first positioning nut (31) is fixedly connected to the horizontal plate (1), and the first positioning nut (31) is aligned with the first through hole so that the first positioning screw (32) passes through the first through hole.
3. The aligning tool for flange plate of large plate girder according to claim 2, characterized in that, The second telescopic positioning mechanism includes a second positioning nut (41) and a second positioning screw (42) threadedly connected to the second positioning nut (41). The vertical plate (2) is provided with a second through hole that penetrates its left and right surfaces. The second positioning nut (41) is fixedly connected to the vertical plate (2), and the second positioning nut (41) is aligned with the second through hole so that the second positioning screw (42) passes through the second through hole.
4. The aligning tool for flange plate of large plate girder according to claim 3, characterized in that, The third telescopic positioning mechanism includes a third positioning nut and a third positioning screw (52) threadedly connected to the third positioning nut. The vertical plate (2) is provided with a third through hole that penetrates its left and right surfaces. The third positioning nut is fixedly connected to the vertical plate (2) and the third positioning nut is aligned with the third through hole so that the third positioning screw (52) penetrates the third through hole.
5. The alignment tool for flange plates of large plate girders according to claim 3, characterized in that The third telescopic positioning mechanism includes a slider (51), which has a screw hole penetrating its left and right side walls, and a third positioning screw (52) threadedly connected to the screw hole. The vertical plate (2) is provided with a third through hole that penetrates its left and right surfaces. The third through hole is an elliptical hole (6) with its length direction in the up and down direction. The slider (51) is slidably connected to the vertical plate (2) in the vertical direction so that the third positioning screw (52) passes through the third through hole.
6. The tooling of claim 1, wherein, The length of the horizontal plate (1) is 1000mm, and the height of the vertical plate (2) is 150mm.
7. The tooling of claim 1, wherein, The horizontal plate (1) is welded to the vertical plate (2).
8. The tool for aligning the flange of a large plate girder according to claim 1, wherein The third telescopic positioning mechanism and the second telescopic positioning mechanism are offset in the front-to-back direction.
9. The tool for aligning the flange of a large plate girder according to claim 2, wherein The bottom end of the first positioning screw (32) is provided with a circular abutting piece, the area of the circular abutting piece is greater than the cross-sectional area of the first positioning screw (32), and the lower surface of the circular abutting piece forms a positioning contact end surface of the first telescopic positioning mechanism.
10. The aligning tool for flange plate of large plate girder according to claim 4 or 5, characterized in that, The number of the first positioning screws (32) is multiple, and the lengths of at least two first positioning screws (32) are different. The number of the second positioning screws (42) is multiple, and the lengths of at least two second positioning screws (42) are different. The number of the third positioning screws (52) is multiple, and the lengths of at least two third positioning screws (52) are different.