Longitudinal seam welding preheating fixing device

Abstract

The utility model discloses a longitudinal seam welding preheating fixing device which comprises a steel plate and a connecting rod, the connecting rod is fixed to the center of the lower end of the steel plate, a first screw is arranged at the top end of the steel plate in a penetrating mode through threads, a first arc-shaped plate is fixedly arranged at the lower end of the connecting rod, and a second arc-shaped plate is arranged on the other side of the connecting rod in a sliding mode. A second screw rod is movably arranged on one side of the second arc-shaped plate in a penetrating mode, the second screw rod movably penetrates through the connecting rod, and fixing mechanisms facilitating fixing are arranged at the lower end of the first arc-shaped plate and the lower end of the second arc-shaped plate. A steel plate is installed on the longitudinal seam arc striking and extinguishing plate, then the first screw is rotated to fix the position of the steel plate, then a preheating tool is placed between the first arc-shaped plate and the second arc-shaped plate, and then the second screw penetrates through the matching nut to be fixed, so that the preheating tool is fixed between the first arc-shaped plate and the second arc-shaped plate. And the preheating tool can be conveniently and quickly fixed, so that the preheating work is convenient.

Description

Technical Field

[0001] This utility model relates to the field of fixing equipment, specifically a longitudinal seam welding preheating fixing device. Background Technology

[0002] Wind power generation converts the kinetic energy of wind into electrical energy. Wind energy is a clean and pollution-free renewable energy source. Wind power generation has the characteristics of being pollution-free, renewable, and technologically mature. Moreover, wind energy reserves are huge and it is an important component of renewable resources.

[0003] Wind turbine towers are composed of multiple cylindrical sections. Generally, each single cylindrical section is a steel plate. According to the production process, after the steel plate enters the factory, it usually needs to go through processes such as blanking, beveling, and longitudinal seam welding to manufacture a single cylindrical section. During the longitudinal seam welding process of the single cylindrical section, when welding the outer longitudinal seam according to the process requirements, the interior needs to be preheated.

[0004] During the preheating and welding process, it is often difficult to meet the relevant technical requirements because the preheating fixtures are difficult to fix. In order to address this problem, a preheating and fixing device for longitudinal seam welding has been specially developed. Utility Model Content

[0005] The purpose of this utility model is to provide a preheating and fixing device for longitudinal seam welding to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a longitudinal seam welding preheating and fixing device, comprising a steel plate and a connecting rod. The connecting rod is fixed at the center of the lower end of the steel plate. A first screw is threaded through the top of the steel plate. A first arc-shaped plate is fixedly installed at the lower end of the connecting rod. A second arc-shaped plate is slidably installed on the other side of the connecting rod. A second screw is movably inserted through one side of the second arc-shaped plate. The second screw movably passes through the connecting rod, facilitating the fixing of the second arc-shaped plate to one side of the connecting rod. The lower ends of the first and second arc-shaped plates are provided with a fixing mechanism for easy fixing. In use, the steel plate is installed on the longitudinal seam preheating arc plate, and then the first screw is rotated to fix the position of the steel plate. Then, the preheating tool is placed between the first and second arc-shaped plates, and then fixed by the second screw passing through the mating nut, so that the preheating tool is fixed between the first and second arc-shaped plates, facilitating the quick fixing of the preheating tool and thus facilitating the preheating work.

[0007] Preferably, the fixing mechanism includes a triangular block, a threaded sleeve, an extension block, and a third screw. The extension block is fixed to one side of the triangular block and is slidably disposed between the first arc-shaped plate and the second arc-shaped plate. The third screw movably passes through the first arc-shaped plate, the second arc-shaped plate, and the extension block, facilitating the fixing of the triangular block to the lower ends of the first and second arc-shaped plates. The threaded sleeve is slidably disposed at the center position of the lower end of the triangular block. If it is necessary to fix the lower ends of the first and second arc-shaped plates, the threaded sleeve can facilitate the fixing of the lower ends of the first and second arc-shaped plates.

[0008] Preferably, there are two first screws, which are symmetrically installed on both sides of the top of the steel plate.

[0009] Preferably, the first arc-shaped plate and the second arc-shaped plate are joined together to form a circle.

[0010] Preferably, there are two extension blocks, which are symmetrically installed on both sides of the top of the triangular block.

[0011] Preferably, the first screw, the second screw, and the third screw each have a groove on one side to facilitate rotation of the first screw, the second screw, and the third screw.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In use, the steel plate is installed on the longitudinal seam extinguishing arc plate, and then the first screw is rotated to fix the position of the steel plate. Then, the preheating tool is placed between the first arc plate and the second arc plate, and then fixed by the second screw passing through the matching nut, so that the preheating tool is fixed between the first arc plate and the second arc plate, which facilitates the quick fixing of the preheating tool and thus facilitates the preheating work. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a longitudinal seam welding preheating and fixing device according to the present invention;

[0015] Figure 2 This is a sectional view of a longitudinal seam welding preheating and fixing device according to the present invention.

[0016] Figure 3 This is an enlarged schematic diagram of a longitudinal seam welding preheating and fixing device A according to the present invention.

[0017] In the diagram: 1. Connecting rod; 2. Steel plate; 3. First screw; 4. First arc plate; 5. Second arc plate; 6. Second screw; 7. Triangular block; 8. Screw sleeve; 9. Third screw; 10. Extension block. Detailed Implementation

[0018] 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.

[0019] Please see Figure 1-3 This utility model provides a preheating and fixing device for longitudinal seam welding, including a steel plate 2 and a connecting rod 1. The connecting rod 1 is welded and fixed at the center of the lower end of the steel plate 2. A first screw 3 is threaded through the top of the steel plate 2. Two first screws 3 are provided and symmetrically installed on both sides of the top of the steel plate 2. A first arc-shaped plate 4 is welded and fixed at the lower end of the connecting rod 1. A second arc-shaped plate 5 is slidably arranged on the other side of the connecting rod 1. A second screw 6 is movably inserted through one side of the second arc-shaped plate 5. The second screw 6 movably connects to... Rod 1 facilitates the fixing of the second arc plate 5 to one side of the connecting rod 1. The lower ends of the first arc plate 4 and the second arc plate 5 are provided with a fixing mechanism for easy fixing. In use, the steel plate 2 is installed on the longitudinal seam extinguishing arc plate, and then the first screw 3 is rotated to fix the position of the steel plate 2. Then, the preheating tool is placed between the first arc plate 4 and the second arc plate 5, and then fixed by the second screw 6 passing through the mating nut, so that the preheating tool is fixed between the first arc plate 4 and the second arc plate 5, which facilitates the quick fixing of the preheating tool and facilitates the preheating work.

[0020] The fixing mechanism includes a triangular block 7, a screw sleeve 8, an extension block 10, and a third screw 9. The extension block 10 is welded and fixed to one side of the triangular block 7. The extension block 10 is slidably disposed between the first arc plate 4 and the second arc plate 5. The third screw 9 movably passes through the first arc plate 4, the second arc plate 5, and the extension block 10, facilitating the fixing of the triangular block 7 to the lower ends of the first arc plate 4 and the second arc plate 5. The screw sleeve 8 is slidably disposed at the center position of the lower end of the triangular block 7. If it is necessary to fix the lower end position of the first arc plate 4 and the second arc plate 5, the screw sleeve 8 can facilitate the fixing of the lower end of the first arc plate 4 and the second arc plate 5.

[0021] Working principle: When in use, steel plate 2 is installed on the longitudinal seam extinguishing arc plate, and then the first screw 3 is rotated to fix the position of steel plate 2. Then, the preheating tool is placed between the first arc plate 4 and the second arc plate 5, and then fixed by the second screw 6 passing through the mating nut, so that the preheating tool is fixed between the first arc plate 4 and the second arc plate 5, which facilitates the quick fixing of the preheating tool and facilitates the preheating work.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A longitudinal seam welding preheating fixture comprising a steel plate (2) and a connecting rod (1), characterized in that: The connecting rod (1) is fixed at the center of the lower end of the steel plate (2). A first screw (3) is threaded through the top of the steel plate (2). A first arc plate (4) is fixed at the lower end of the connecting rod (1). A second arc plate (5) is slidably arranged on the other side of the connecting rod (1). A second screw (6) is movably inserted through one side of the second arc plate (5). The second screw (6) movably passes through the connecting rod (1). The lower ends of the first arc plate (4) and the second arc plate (5) are provided with a fixing mechanism for easy fixing.

2. A longitudinal seam welding preheating fixture as claimed in claim 1, characterized in that: The fixing mechanism includes a triangular block (7), a screw sleeve (8), an extension block (10), and a third screw (9). The extension block (10) is fixed on one side of the triangular block (7). The extension block (10) is slidably disposed between the first arc plate (4) and the second arc plate (5). The third screw (9) movably passes through the first arc plate (4), the second arc plate (5), and the extension block (10). The screw sleeve (8) is slidably disposed at the center of the lower end of the triangular block (7).

3. A longitudinal seam welding preheating fixture as defined in claim 2, wherein: There are two first screws (3), which are symmetrically installed on both sides of the top of the steel plate (2).

4. A longitudinal seam welding preheating fixture as defined in claim 3, wherein: The first arc-shaped plate (4) and the second arc-shaped plate (5) are spliced ​​together to form a circle.

5. A longitudinal seam welding preheating fixture as defined in claim 4, wherein: Two extension blocks (10) are provided, symmetrically installed on both sides of the top of the triangular block (7).

6. A longitudinal seam welding preheating fixture as defined in claim 5, wherein: The first screw (3), the second screw (6) and the third screw (9) are all provided with grooves on one side to facilitate the rotation of the first screw (3), the second screw (6) and the third screw (9).

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