Steel pipe tower flange assembly tool

By designing a tooling fixture for assembling steel pipe tower flanges, and utilizing a moving frame and positioning components, right-angle flanges and variable-slope flanges can be assembled on the same equipment, solving the problem of low efficiency in existing technologies, simplifying the operation process, and reducing the professional skill requirements.

CN224587382UActive Publication Date: 2026-08-04HENAN DINGLI POLES & TOWERS COMPANY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN DINGLI POLES & TOWERS COMPANY
Filing Date
2025-06-30
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the existing technology, right-angle flanges and variable slope flanges require professional personnel to stay for a long time during the assembly process, which is inefficient and difficult to assemble on the same equipment.

Method used

Design a tooling for assembling steel pipe tower flanges, including a movable frame, a base plate, a connecting plate, and a positioning component. Through the cooperation of sliders, positioning holes, and screws, the flange angle can be adjusted and fixed, supporting the assembly of right-angle flanges and variable-slope flanges on the same equipment.

Benefits of technology

It simplifies flange assembly operations, reduces the requirements for professional skills, decreases labor time and production processes, and improves assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224587382U_ABST
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Abstract

The utility model provides a kind of steel pipe tower flange group pair tool, including movable frame, vertically bottom plate is provided on movable frame, the left end of bottom plate is hinged with connecting disc, connecting disc is uniformly distributed with radial connecting hole along circumference, sliding block is set in radial connecting hole, positioning hole is set on sliding block along radial interval, the both sides of connecting disc right end are provided with positioning assembly, positioning assembly includes L type positioning rod, the left end of L type positioning rod is hinged with connecting disc, the right end of L type positioning rod is detachably connected with movable frame.The utility model realizes that right-angle flange and slope change flange are matched on same equipment, it is simple and convenient to operate, and the requirement to personnel professional skill is reduced.
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Description

Technical Field

[0001] This utility model relates to the technical field of steel pipe tower processing equipment, and in particular to a tooling for assembling steel pipe tower flanges. Background Technology

[0002] During the fabrication of steel pipe towers, the ends of the steel pipes must first be cut into the required flange heads. Then, the flanges are assembled with the flange heads and finally welded together. Because the flanges are large and heavy, assembly fixtures are needed to adjust the flanges to the required angles before assembling them with the flange heads.

[0003] Flange heads are divided into right-angle flange heads and variable-slope flange heads. Welding a right-angle flange to a variable-slope flange head involves a six-day delay, requiring professional processing, which is time-consuming and inefficient. Therefore, designing flange assembly fixtures to enable the assembly of right-angle and variable-slope flanges on the same equipment is a problem that needs to be solved. Utility Model Content

[0004] This utility model proposes a tooling for assembling steel pipe tower flanges, which enables the assembly of right-angle flanges and variable-slope flanges on the same machine. The operation is simple and convenient, and the requirements for personnel's professional skills are reduced.

[0005] The technical solution of this utility model is implemented as follows: a steel pipe tower flange assembly fixture includes a movable frame, a vertical base plate on the movable frame, a connecting plate hinged to the left end of the base plate, radial connecting holes evenly distributed along the circumference of the connecting plate, a sliding slider provided in the radial connecting holes, positioning holes spaced along the radial direction on the slider, positioning components provided on both sides of the right end of the connecting plate, the positioning components include an L-shaped positioning rod, the left end of the L-shaped positioning rod is hinged to the connecting plate, and the right end of the L-shaped positioning rod is detachably connected to the movable frame.

[0006] Furthermore, the movable frame is provided with a longitudinal slide groove that cooperates with the L-shaped positioning rod. The right end of the L-shaped positioning rod is connected to a screw rod, the right end of which passes through the longitudinal slide groove and is screwed with a limit nut.

[0007] Furthermore, the right end of the L-shaped positioning rod is provided with an opening hole, the left end of the screw rod passes through the opening hole, and locking nuts are screwed onto the screw rods at both ends of the opening hole.

[0008] Furthermore, a vertical plate is fixed to the left end of the base plate in a vertical direction. The left end of the vertical plate is hinged to the connecting plate, and the vertical plate is arranged radially along the connecting plate.

[0009] Furthermore, the base plate is provided with several longitudinal connection holes, which are fixedly connected to the movable frame by bolts.

[0010] Furthermore, the outer diameter of the base plate is smaller than that of the connecting plate.

[0011] The beneficial effects of this utility model are:

[0012] This utility model's flange assembly fixture connects to the flange via a connecting plate. A moving frame drives the connecting plate and flange to move. The flange head passes through the flange's inner hole, and the end face of the connecting plate fits against the flange head. When the connecting plate and flange are rotated to the required angle, the L-shaped positioning rod is finally connected to the moving frame. It is applicable to both right-angle flanges and variable-slope flanges, enabling the assembly of right-angle flanges and variable-slope flanges on the same machine. The operation is simple and convenient, reducing the professional skills required of personnel, reducing the labor intensity of maintenance personnel, reducing working time, and shortening the production process. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is the front view of the present invention;

[0015] Figure 2 A three-dimensional view of the connecting plate and the base plate;

[0016] Figure 3 This is the left view of the movable frame;

[0017] Figure 4 This is a schematic diagram of the connection structure between the flange and the connecting plate;

[0018] Figure 5 This is a schematic diagram of the slider's structure;

[0019] Figure 6 for Figure 1 A magnified view of part A in the image.

[0020] 1. Movable frame; 2. Steel pipe support device; 3. Base plate; 4. Longitudinal connecting hole; 5. Vertical plate; 6. Connecting plate; 7. Radial connecting hole; 8. L-shaped positioning rod; 9. Slider; 10. Positioning hole; 11. Limit nut; 12. Locking nut; 13. Longitudinal slide groove; 14. Screw; 15. Steel pipe; 16. Flange; 17. Opening hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] The positional terms "left" and "right" in this utility model are relative to... Figure 1 The positional relationship is shown.

[0023] like Figure 1-3 As shown, a steel pipe tower flange assembly fixture includes a movable frame 1, located at the right end of a steel pipe support device 2. The steel pipe support device 2 is used for the vertical lifting and circumferential rotation of the steel pipe 15, and is an existing device. A vertical base plate 3 is fixed on the movable frame 1. The base plate 3 has three longitudinal connecting holes 4, which are fixed to the movable frame 1 by bolts. This also facilitates the adjustment of the longitudinal position of the base plate 3 as needed. The axial direction of the steel pipe 15 is transverse, and the longitudinal direction is perpendicular to the axial direction of the steel pipe 15. A vertical plate 5 is fixed vertically at the left end of the base plate 3. The left end of the vertical plate 5 is hinged to a connecting plate 6. The vertical plate 5 is arranged radially along the connecting plate 6. The outer diameter of the base plate 3 is smaller than that of the connecting plate 6. The hinge axis of the connecting plate 6 is arranged vertically.

[0024] like Figure 1 , 2 As shown in Figures 4 and 5, radial connecting holes 7 are evenly distributed along the circumference of the connecting plate 6. A sliding slider 9 is provided in the radial connecting hole 7. Positioning holes 10 are provided at intervals along the radial direction of the slider 9. Bolts pass through the connecting hole between the positioning hole 10 and the flange 16 to fix the flange 16 to the connecting plate 6.

[0025] like Figure 1 , 2 As shown in Figures 3 and 6, three positioning components are provided on the right end of the connecting plate 6, distributed on both sides of the right end of the connecting plate 6, one on one side located in the middle of the edge, and two on the other side. The positioning component includes an L-shaped positioning rod 8, the left end of which is hinged to the connecting plate 6. The hinge axis of the L-shaped positioning rod 8 is set vertically. An opening hole 17 is provided on the right end of the L-shaped positioning rod 8. The left end of the screw 14 passes through the opening hole 17. Locking nuts 12 are screwed onto the screw 14 at both ends of the opening hole 17. A longitudinal sliding groove 13 that cooperates with the L-shaped positioning rod 8 is provided on the moving frame 1. The right end of the screw 14 passes through the longitudinal sliding groove 13 and is screwed with a limit nut 11.

[0026] When it is necessary to rotate the connecting plate 6, loosen the limit nut 11. The L-shaped positioning rod 8 and the screw 14 will rotate synchronously with the connecting plate 6. After the connecting plate 6 rotates to the required angle, tighten the limit nut 11.

[0027] The method for using the tooling of the steel pipe tower flange assembly includes the following steps:

[0028] The connecting hole of flange 16 is fixedly connected to the radial connecting hole 7 of connecting plate 6. The moving frame 1 drives flange 16 to move to the left, and the flange head of steel pipe 15 passes through the inner hole of flange 16 and contacts the end face of connecting plate 6. As the moving frame 1 moves, until the end of steel pipe 15 is in contact with the end face of connecting plate 6, tighten the limit nut 11 to fix connecting plate 6 to moving frame 1. Then the moving frame 1 moves to the right so that the length of the end of steel pipe 15 inside flange 16 is less than the thickness of flange 16. Finally, welding is performed.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel pipe tower flange assembly tooling, comprising a moving frame, characterized in that: The mobile frame is equipped with a vertical base plate, and a connecting plate is hinged to the left end of the base plate. The connecting plate has radial connecting holes evenly distributed around its circumference, and a sliding slider is installed in the radial connecting holes. Positioning holes are arranged at intervals along the radial direction on the slider. Positioning components are provided on both sides of the right end of the connecting plate. The positioning components include L-shaped positioning rods. The left end of the L-shaped positioning rods is hinged to the connecting plate, and the right end of the L-shaped positioning rods is detachably connected to the mobile frame.

2. The steel tube tower flange assembly set tooling according to claim 1, characterized in that: The movable frame is equipped with a longitudinal slide groove that mates with an L-shaped positioning rod. The right end of the L-shaped positioning rod is connected to a screw rod, and the right end of the screw rod passes through the longitudinal slide groove and is screwed with a limit nut.

3. The steel tube tower flange assembly set tooling of claim 2, wherein: The right end of the L-shaped positioning rod has an opening hole, the left end of the screw rod passes through the opening hole, and a lock nut is screwed onto the screw rod at both ends of the opening hole.

4. A steel tube tower flange assembly set tooling according to any one of claims 1-3, characterized in that: A vertical plate is fixed to the left end of the base plate. The left end of the vertical plate is hinged to the connecting plate. The vertical plate is set radially along the connecting plate.

5. The steel tube tower flange assembly set tooling of claim 1, wherein: The base plate has several longitudinal connection holes, which are fixedly connected to the movable frame by bolts.

6. The steel tube tower flange assembly set tooling of claim 2, wherein: The outer diameter of the base plate is smaller than that of the connecting plate.