Tool for special-shaped rolling of flange at bottom of tower footing

By designing a special-shaped rolling fixture for the bottom flange of the tower base, the problems of high raw material input and high processing cost in traditional processes are solved, and efficient flange processing and adaptability to different sizes are achieved.

CN223775682UActive Publication Date: 2026-01-09TIANJIN SPECIAL STEEL PRECISE FORGING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520294784.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-09
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Traditional processes for machining the bottom flange of the tower base involve rolling it into a rectangular ring, which results in high raw material input, large machining and turning volume, high cost, and reduced product microstructure and properties.

Method used

Design a tooling for irregular-shaped rolling of flanges at the bottom of tower bases, including a conical roller body, a rolling groove, a connecting block, and a lifting lug assembly. By rotating the conical roller body and engaging the connecting block, irregular-shaped rolling of the flange is achieved, reducing material loss and improving processing efficiency.

Benefits of technology

It enables the rolling of flanges into irregular shapes, reduces processing costs, improves processing efficiency, and facilitates installation and disassembly, making it suitable for processing flanges of different sizes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223775682U_ABST
    Figure CN223775682U_ABST
Patent Text Reader

Abstract

The utility model discloses a tool for special-shaped rolling of a flange at the bottom of a tower footing, which comprises a cone roller main body, a rolling groove is arranged on the cone roller main body, a first connecting block is arranged on one side of the cone roller main body, and a first connecting flange is arranged on the first connecting block far away from the cone roller main body. A second connecting block is arranged on the side, away from the first connecting block, of the first connecting flange, a second connecting flange matched with the first connecting flange is arranged on the second connecting block, and a transmission shaft rod is arranged on the side, away from the second connecting flange, of the second connecting block. Lifting lug assemblies are arranged on the two sides of the first connecting block and the side, away from the first connecting block, of the conical roller body. The flange special-shaped rolling tool is good in rolling effect, flanges of different sizes can be machined, the flanges are integrally formed, the machining cost is reduced, and meanwhile the machining efficiency of the flanges is effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tower base bottom flange processing technical field especially relates to a tool for tower base bottom flange special-shaped rolling. BACKGROUND

[0002] Wind power generation is one of the most mature, most scale, development condition and commercial development prospect in the renewable energy field, wind power generation is an important part in future energy and power structure, with the rapid development of wind power industry, with the maturity of technology in the wind power supporting bearing or flange industry, the bearing flange product with groove gradually increases, the traditional process adopts rolling into rectangular ring, and the redundant part is removed during processing, the product processing raw material input is much, causes the later period and the later period processing turning quantity, loss is high, cost is high, and the turning removes most of the steel of the rectangular ring, reduces the product organization performance, therefore, we put forward a tool for tower base bottom flange special-shaped rolling. SUMMARY

[0003] In order to solve the above problems, the utility model provides a tool for tower base bottom flange special-shaped rolling.The utility model solves the problems that the traditional process adopts rolling into rectangular ring, and the redundant part is removed during processing, the product processing raw material input is much, causes the later period and the later period processing turning quantity, loss is high, cost is high, and the turning removes most of the steel of the rectangular ring, reduces the product organization performance.

[0004] The tool for tower base bottom flange special-shaped rolling in the utility model, including the taper roller main part, the taper roller main part is opened with rolling groove, the taper roller main part one side is equipped with first connecting block, first connecting block is equipped with first connecting flange away from the taper roller main part, first connecting flane is equipped with second connecting block away from first connecting block one side, second connecting block is equipped with the second connecting flange matched with first connecting flange, second connecting block is equipped with transmission shaft rod away from second connecting flange one side, first connecting block both sides and taper roller main part are equipped with lug assembly away from first connecting block one side.

[0005] In the scheme, the rolling groove section is trapezoidal ring groove.

[0006] In the scheme, the lug assembly includes a fixed plate, the fixed plate is fixedly connected with the taper roller main part and the first connecting block, the fixed plate is fixedly connected with the lifting ring, and the fixed plate is provided with a reinforcing plate at both ends.

[0007] In the scheme, the first connecting flange and the second connecting flange are fixedly connected through bolts.

[0008] In the scheme, the angle between the rolling groove and the outer side wall of the taper roller main part is 68 °.

[0009] The conical roller main body has an included angle of 20-25 degrees.

[0010] The utility model discloses a kind of toolings for tower bottom flange special-shaped rolling, the conical roller main body front end can roll ring piece out of rectangular ring, after completing rectangular ring piece rolling, conical roller main body moves forward, so that rolling groove is located above rectangular ring piece, when conical roller main body is rolled to rectangular ring piece, it appears annular convex ring above rectangular ring piece matched with rolling groove, by the cooperation between first connecting flange and second connecting flange, so that first connecting block and second connecting block are convenient to install and disassemble, simultaneously, conical roller main body is convenient to replace, so that the rolling mill can process bottom flange of different sizes.This kind of flange special-shaped rolling tooling structure is simple, and rolling effect is good, different size flange can be processed, flange is integrally formed, reduce processing cost, effectively improve the processing efficiency of flange. BRIEF DESCRIPTION OF DRAWINGS

[0011] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0012] Fig. 1 It is a structure schematic view of the utility model;

[0013] Fig. 2 It is a structure schematic view of part A of the utility model.

[0014] In the drawing: 1, conical roller main body 2, rolling groove 3, first connecting block 4, first connecting flange

[0015] 5, second connecting block 6, second connecting flane 7, transmission shaft rod 8, lifting lug assembly

[0016] 81, fixed plate 82, lifting eye 83, reinforcing plate 9, bolt. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model will be further described below in combination with drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the utility model, and cannot limit the protection scope of the utility model.

[0018] As Figs. 1-2As shown, the utility model is a kind of tool for tower bottom flange irregular rolling, including taper roller main body 1, the taper roller main body 1 is equipped with rolling groove 2, taper roller main body 1 can be rotated by the transmission of transmission shaft 7, taper roller main body 1 front end can be rolled ring rolling rectangular ring piece, after completing rectangular ring piece rolling, taper roller main body 1 moves forward, so that rolling groove 2 is located above rectangular ring piece, when taper roller main body 1 is rolled to rectangular ring piece, rectangular ring piece appears annular convex ring matching rolling groove 2 above, the taper roller main body 1 side is equipped with first connecting block 3, first connecting block 3 is equipped with first connecting flange 4 away from taper roller main body 1, second connecting block 5 is equipped with second connecting flange 6 matching first connecting flange 4 on first connecting block 3, by the cooperation between first connecting flange 4 and second connecting flange 6, it is convenient to install and disassemble between first connecting block 3 and second connecting block 5, simultaneously, taper roller main body 1 is convenient to replace, so that the rolling mill can be processed different size bottom flange, transmission shaft 7 is equipped on the side away from second connecting flange 6 of second connecting block 5, both sides of first connecting block 3 and the side away from first connecting block 3 of taper roller main body 1 are equipped with lifting lug assembly 8, by the setting of lifting lug assembly 8, it is more convenient to transport taper roller main body 1 by hoisting equipment.

[0019] The rolling groove 2 is trapezoidal annular groove.

[0020] The lifting lug assembly 8 includes a fixed plate 81, the fixed plate 81 is fixedly connected with the taper roller main body 1 and the first connecting block 3 respectively, the fixed plate 81 is fixedly connected with a lifting ring 82, both sides of the fixed plate 81 are provided with a reinforcing plate 83, and the stability of the installation of the lifting lug assembly 8 is effectively increased through the reinforcing plate 83.

[0021] The first connecting flange 4 and the second connecting flange 6 are fixedly connected through bolts 9.

[0022] The included angle between the rolling groove 2 and the outer side wall of the taper roller main body 1 is 68°.

[0023] The included angle of the taper roller main body 1 is 20° to 25°.

[0024] Specifically, in the utility model, the taper roller main body 1 front end can be rolled ring rolling rectangular ring piece, after completing rectangular ring piece rolling, taper roller main body 1 moves forward, so that rolling groove 2 is located above rectangular ring piece, when taper roller main body 1 is rolled to rectangular ring piece, rectangular ring piece appears annular convex ring matching rolling groove 2 above, by the cooperation between first connecting flange 4 and second connecting flange 6, it is convenient to install and disassemble between first connecting block 3 and second connecting block 5, simultaneously, taper roller main body 1 is convenient to replace, so that the rolling mill can be processed different size bottom flange.

[0025] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tooling for irregularly shaped rolling of the bottom flange of a tower base, comprising a tapered roll body (1), characterized in that, The conical roll body (1) is provided with a rolling groove (2). A first connecting block (3) is provided on one side of the conical roll body (1). A first connecting flange (4) is provided on the side of the first connecting flange (3) away from the conical roll body (1). A second connecting block (5) is provided on the side of the first connecting flange (4) away from the first connecting block (3). A second connecting flange (6) matching the first connecting flange (4) is provided on the second connecting block (5). A drive shaft (7) is provided on the side of the second connecting block (5) away from the second connecting flange (6). Lifting lugs (8) are provided on both sides of the first connecting block (3) and on the side of the conical roll body (1) away from the first connecting block (3).

2. The tooling for irregular rolling of the bottom flange of a tower base according to claim 1, characterized in that, The cross section of the rolling groove (2) is a trapezoidal annular groove.

3. The tooling for irregular rolling of the bottom flange of a tower base according to claim 1, characterized in that, The lifting lug assembly (8) includes a fixing plate (81), which is fixedly connected to the cone roller body (1) and the first connecting block (3) respectively. The fixing plate (81) is fixedly connected to the lifting ring (82), and the two ends of the fixing plate (81) are provided with reinforcing plates (83).

4. The tooling for irregular rolling of the bottom flange of a tower base according to claim 1, characterized in that, The first connecting flange (4) and the second connecting flange (6) are fixedly connected by bolts (9).

5. The tooling for irregular rolling of the bottom flange of a tower base according to claim 1, characterized in that, The angle between the rolling groove (2) and the outer wall of the cone roll body (1) is 68°.

6. The tooling for irregular rolling of the bottom flange of a tower base according to claim 1, characterized in that, The included angle of the cross section of the cone roller body (1) is 20° to 25°.