Reusable steel structure thick plate welding anti-deformation device
By using a reusable anti-deformation device for welding thick steel plates, which absorbs welding stress through an integrated cast base and high-strength bolt assembly, the problem of deformation in thick plate welding is solved, achieving efficient and economical welding quality control.
Patent Information
- Application Number
- CN202520480582.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Deformation problems generated during thick plate welding are difficult to control, especially in multiple welding situations, affecting the dimensional accuracy and appearance quality of the welded parts. Furthermore, traditional methods are complex to operate, energy-intensive, and have limited adaptability.
A reusable anti-deformation device for welded thick steel plates is adopted, including a base and a high-strength bolt assembly. The thick steel plate is fixed by integral casting and high-strength bolt connection, which absorbs and disperses welding stress and uses bolting instead of welding to reduce deformation.
It effectively reduces welding deformation, improves the dimensional accuracy and appearance quality of welded parts, reduces production costs, reduces energy consumption, improves production efficiency and adaptability, and meets the requirements of green development.
Smart Images

Figure CN223889208U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction, specifically a reusable anti-deformation device for welded thick steel plate structures. Background Technology
[0002] Thick plate welding has always been a technical challenge, especially in applications where deformation control is critical. The significant welding stress and deformation generated during thick plate welding not only affect the dimensional accuracy and appearance quality of the welded parts, but can also lead to their scrapping in severe cases, increasing production costs and time.
[0003] Traditional methods for preventing deformation in thick plate welding mainly rely on preheating before welding, temperature control during welding, and post-weld heat treatment. While these methods can reduce welding deformation to some extent, they suffer from drawbacks such as complex operation, high energy consumption, and limited adaptability to specific structures and materials. Furthermore, traditional methods often only provide deformation control for a single welding process, and their effectiveness is not ideal for thick plate components requiring multiple welds. Utility Model Content
[0004] The present invention aims to overcome the defects of the prior art and provide a reusable anti-deformation device for welding thick steel plates, thereby solving the deformation problem of thick plates during the welding process.
[0005] To solve the above-mentioned technical problems, this utility model is implemented as follows:
[0006] A reusable anti-deformation device for welded thick steel plates is characterized in that it includes a base and a high-strength bolt assembly. The base is an integrally cast part, and the thick steel plate is located at the bottom of the base and is connected and fixed by the high-strength bolt assembly. The strength of the base and the high-strength bolt assembly is not lower than the strength of the thick steel plate.
[0007] The reusable anti-deformation device for welded thick steel plates is characterized in that: four symmetrical holes are provided on both sides of the butt weld of the thick steel plate, and the holes are used to install the base and are fastened by high-strength bolt assembly.
[0008] The reusable anti-deformation device for welded thick steel plate is characterized in that: the base includes two base plates, and a vertical plate is set on the upper part of the two base plates. The base plates are provided with four holes symmetrical to the holes on the thick steel plate.
[0009] The reusable anti-deformation device for welded thick steel plate is characterized in that: the high-strength bolt assembly includes a screw, a washer, and a nut; the screw passes through the holes in the base and the thick steel plate; the washer and nut are sequentially installed on the screw and the nut is tightened.
[0010] The beneficial effects of this utility model are as follows: As can be seen from the above technical solution, this application provides a reusable anti-deformation device for welding thick steel plates, which effectively absorbs and disperses welding stress during the welding process, thereby significantly reducing welding deformation, ensuring the dimensional accuracy and appearance quality of the welded parts, and improving the overall welding quality.
[0011] This application is easy to disassemble and reinstall, and can be reused in different welding tasks, avoiding the problem of scrapped welded parts caused by welding deformation in traditional methods, and effectively reducing production costs.
[0012] Compared to traditional welding deformation prevention measures, such as extensive preheating before welding and heat treatment after welding, this method reduces energy consumption and greenhouse gas emissions, meeting the requirements of green and sustainable development in modern manufacturing.
[0013] Because this technology can reduce deformation during the welding process, it reduces production delays caused by rework and repairs, thereby improving production efficiency.
[0014] This application features a flexible design that can be adjusted and optimized to meet different welding requirements and workpiece shapes, thus improving its adaptability to various welding tasks. Attached Figure Description
[0015] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:
[0016] Figure 1 This is a schematic diagram of the structure of the base of this application.
[0017] Figure 2 This is a top-view diagram of this application.
[0018] Figure 3 for Figure 2 Schematic diagram of the AA direction. Detailed Implementation
[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection claimed in this application.
[0020] like Figure 1-3 As shown: A reusable anti-deformation device for welded thick steel plate includes a base 1 and a high-strength bolt assembly 2. The base is an integral casting. The thick steel plate 6 is located at the bottom of the base and is connected and fixed by the high-strength bolt assembly. The strength of the base and the high-strength bolt assembly is not lower than the strength of the thick steel plate.
[0021] The steel structure plate has four symmetrical holes on both sides of the butt weld. These holes are used to install the base and are fastened together by a high-strength bolt assembly.
[0022] The base 1 includes two base plates 11, and a vertical plate 12 is set on the upper part of the two base plates. The base plates have four holes that are symmetrical with the holes on the thick steel structure plate.
[0023] The high-strength bolt assembly 2 includes a screw 3, a washer 4, and a nut 5. The screw is inserted into the holes of the base and the thick steel plate. The washer and nut are installed on the screw in sequence and the nut is tightened.
[0024] The holes in the base 1 are precisely aligned with the reserved holes on the steel structure plate base material, ensuring that the base 1 can fit tightly with the steel structure plate base material without gaps, thereby improving the stability and precision of the welded structure.
[0025] After the base and high-strength bolt assembly are installed and used to prevent deformation during welding of thick steel plates, they can be easily disassembled. The disassembled base and high-strength bolt assembly can be reused to improve construction efficiency and economy.
[0026] The innovation and practicality of this application are reflected in the comprehensive application of the following components: ① Integrated casting anti-weld deformation measures: This is an innovative anti-deformation technology designed to improve the stability and precision of welded structures. ② Specially designed high-strength bolts: These are specially designed fasteners used to enhance the connection strength and stability of the structure. To ensure that this patent can maintain its strength during construction and can be reused, the strength of the raw materials used in ① the integrated casting anti-weld deformation measures and ② the specially designed high-strength bolts must be greater than or equal to the strength of the steel structure raw materials.
[0027] Step 1: During the component fabrication stage, carefully design and execute the operation, which involves precisely drilling four symmetrical holes on both sides of the butt weld of the component. These holes are designed to facilitate the subsequent installation of integral casting anti-weld deformation measures. The size of the holes and their distance from the weld need to be communicated with the design unit in advance to ensure structural strength and to eliminate the need for subsequent reinforcement or plugging welding of the holes.
[0028] Step 2: During installation, carefully align the holes of the integrally cast anti-welding deformation measures with the pre-drilled holes on the component to ensure that the integrally cast anti-welding deformation measures can fit tightly with the steel structure plate base material without gaps.
[0029] Step 3: Carefully insert the shank of the special high-strength bolt ② into the hole of the integrally cast anti-welding deformation measure and the steel structure thick plate base material ①, to prepare for the subsequent tightening operation.
[0030] Step 4: Install the washer and nut of the special high-strength bolt ② onto the screw in sequence, and tighten the nut with a professional torque wrench according to the specified torque value to ensure the firmness and consistency of the connection.
[0031] Step 5: After everything is ready, welding of the steel structure base plate begins. At this time, ① the integral casting anti-welding deformation measures and ② the special high-strength bolts work together to effectively prevent deformation during the welding process.
[0032] Step 6: After the welding of the steel structure thick plates is successfully completed, use a wrench to remove the special high-strength bolts ② one by one, and then carefully remove the integrally cast anti-welding deformation measure ①. The removability of this measure allows the entire system to be reused, improving construction efficiency and economy.
[0033] Step 7: The above steps can be repeated as needed to achieve precise control of multiple welding points.
[0034] This application employs steel structure casting technology, prefabricating thick plate welded anti-deformation measures as a single unit. These measures are then bolted to the base material using special high-strength bolts, facilitating installation, disassembly, and subsequent reuse. This utility model significantly saves raw materials and labor, and reduces damage to the base material during on-site construction, primarily through the following aspects:
[0035] 1. Integrated casting technology:
[0036] This utility model addresses the deformation problem that easily occurs during the welding of thick steel plates. It innovatively adopts an advanced integrated casting technology to form the anti-deformation measures for thick steel plate welding. This technology significantly improves the overall strength of the anti-deformation measures for thick steel plate welding, and can more effectively control the welding deformation problem generated by the thick plate during the welding process during construction, ensuring the stability and safety of the welded structure, and greatly improving the quality and service life of the project.
[0037] 2. Bolting instead of welding:
[0038] This application employs bolting technology to replace traditional welding methods. This innovative approach significantly reduces the enormous workload associated with implementing anti-deformation measures for thick plates through welding, and also simplifies the tedious operations during subsequent dismantling. More importantly, by using bolting, this application effectively reduces damage to the base material caused by cutting the welded areas of the anti-deformation measures on the thick plate, thereby protecting the integrity and performance of the material.
[0039] Furthermore, this bolted structure is characterized by its detachability and reusability, allowing the material to be used multiple times in different projects or engineering projects. This not only improves resource utilization but also reduces costs, achieving a win-win situation for both environmental protection and economic benefits.
[0040] This application has the following advantages:
[0041] 1. Ease of Installation and Dismantling: The structural design of this application simplifies and speeds up the installation and dismantling process, significantly reducing manual labor required, improving construction efficiency, and lowering labor costs. For construction sites, this means faster completion of tasks and reduced delays that may occur due to complex operations.
[0042] 2. Enhanced Safety During Construction: In the application of this technology, no open flames or power sources are required during either installation or dismantling, significantly reducing safety risks at the construction site. This is particularly important for construction in flammable or explosive environments or confined spaces, effectively preventing safety accidents that may be caused by improper operation.
[0043] 3. Significantly Improved Economic Benefits: Since the integral casting anti-welding deformation measures and specially designed high-strength bolts of this application are reusable, material consumption and waste are greatly reduced, lowering project costs. Simultaneously, it reduces the generation of steel scrap, aligning with the concept of sustainable development and playing a positive role in environmental protection.
[0044] 4. Strong Guarantee of Project Quality: This application ensures the integrity and stability of the welded structure by reducing direct damage to the thick steel plate base material, thereby improving the overall quality of the project. This protective measure not only extends the service life of the structure but also reduces the cost of later maintenance and repair, providing a strong guarantee for the long-term stability of project quality.
[0045] The above are merely embodiments provided in this application and are not intended to limit this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A reusable anti-deformation device for welded thick steel plates, characterized in that: It includes a base and a high-strength bolt assembly. The base is an integral cast part, and a thick steel structure plate is located at the bottom of the base and is connected and fixed by the high-strength bolt assembly. The strength of the base and the high-strength bolt assembly is not lower than the strength of the thick steel structure plate.
2. The reusable anti-deformation device for welded thick steel plates according to claim 1, characterized in that: The steel structure plate has four symmetrical holes on both sides of the butt weld. These holes are used to install the base and are fastened together by a high-strength bolt assembly.
3. The reusable anti-deformation device for welded thick steel plates according to claim 2, characterized in that: The base includes two base plates, with a vertical plate installed on the upper part of the two base plates. The base plates have four holes that are symmetrical to the holes on the thick steel structure plate.
4. The reusable anti-deformation device for welded thick steel plates according to claim 3, characterized in that: The high-strength bolt assembly includes a screw, a washer, and a nut. The screw passes through holes in the base and the thick steel plate. The washer and nut are installed on the screw in sequence and the nut is tightened.