Combined table for reducing welding shrinkage rate of boiler steel frame

Abstract

The utility model discloses a combination table for reducing the welding shrinkage rate of a boiler steel frame, which comprises a plurality of combination units, each combination unit comprises a reinforcing rib, a fixing rod, a screw rod, a nut, a sliding rod, a platform frame and a sliding rail, the reinforcing ribs and the fixing rods are welded together to form a firm supporting rod, and the two ends of the platform frame are respectively provided with a group of the reinforcing ribs and the fixing rods; a sliding rail is arranged in the center of the platform frame in the horizontal direction, the lower end of the sliding rod is arranged in the sliding rail, through holes are formed in the upper end and the lower end of the sliding rod, a screw penetrates through the through hole in the upper end of the sliding rod and the through hole in the upper end of the fixing rod, and nuts are arranged at the two ends of the screw. The steel frame is clamped and fixed through the sliding rods and the fixing rods before welding, the shrinkage rate of the steel frame in the welding process can be effectively controlled, the shrinkage rate in the welding process is effectively controlled, follow-up adjusting work is reduced, the welding precision and efficiency of the steel frame are improved, meanwhile, the welding reliability and stability are improved, and the welding quality is improved. And the structural strength and durability of the steel frame are ensured.

Description

Technical Field

[0001] The utility model relates to a welding platform, in particular to a combined platform for reducing the welding shrinkage rate of a boiler steel frame, and belongs to the technical field of welding auxiliary devices. Background Art

[0002] A common problem encountered during the welding of boiler steel frames is weld shrinkage. During welding, the molten metal shrinks during cooling, causing stress and deformation in the weld area. This shrinkage can affect the structural stability and strength of the entire steel frame, even causing cracks and defects, and reducing weld quality and durability.

[0003] To address shrinkage during welding, traditional methods include post-weld heat treatment or machining to adjust the weld size and shape. However, these methods require additional time and cost, and may not completely eliminate the effects of shrinkage. Therefore, it is crucial to employ preventative measures and structures to reduce weld shrinkage. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a combined platform for reducing the shrinkage rate of boiler steel frame welding, which can effectively reduce the shrinkage rate during welding. By fixing the steel frame in advance, the deformation and stress caused by shrinkage can be reduced during the welding process, thereby improving the welding quality and stability.

[0005] The technical solutions adopted by the present invention to solve the technical problems are as follows:

[0006] A combination platform for reducing the welding shrinkage rate of a boiler steel frame includes several combination units, each combination unit includes a reinforcing rib, a fixed rod, a screw, a nut, a sliding rod, a platform frame and a slide rail, the reinforcing rib is a triangular structure, welded together with the fixed rod to form a firm support rod, and a group of the firm support rods are provided at each end of the platform frame; a slide rail is provided in the horizontal direction of the center of the platform frame, the lower end of the sliding rod is provided in the slide rail, the upper and lower ends of the sliding rod are provided with through holes, the upper end of the fixed rod is also provided with a through hole, the through hole at the upper end of the sliding rod is consistent in height with the through hole at the upper end of the fixed rod; the screw is provided through the through hole at the upper end of the sliding rod and the through hole at the upper end of the fixed rod, and nuts are provided at both ends of the screw.

[0007] A supporting platform is provided at the lower end of each assembly unit. The supporting platform is in a "⊥" structure. The bottom of each supporting platform is on the same horizontal line, ensuring that the assembly platforms for reducing the welding shrinkage rate of the boiler steel frame are on the same horizontal line.

[0008] As needed, two or more sliding rods are provided in each slide rail.

[0009] The fixing rod and the sliding rod are fixed by a screw and a nut.

[0010] The bottom ends of all the sliding rods are provided with through holes, and all the sliding rods on one side of the platform frame can be fixed together through the through holes and the penetrating screws.

[0011] The positive beneficial effects of the utility model are:

[0012] The utility model can effectively reduce the shrinkage rate during welding by using the structure and method of the sliding rod and the fixed rod to clamp the steel frame before welding. By fixing the steel frame in advance, the deformation and stress caused by shrinkage can be reduced during welding, thereby improving the welding quality and stability.

[0013] The implementation of the utility model is expected to effectively reduce subsequent welding correction work, improve production efficiency, and ensure the structural strength and durability of the steel frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying any creative work, other drawings can be obtained based on these drawings, and they all fall within the scope of protection of the present invention.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 yes Figure 1 Schematic diagram of the structure of a single combined unit;

[0017] Figure 3 This is a schematic diagram of the structure of Example 2 of the present utility model;

[0018] Figure 4 This is a schematic diagram of the structure described in Example 3 of the present utility model.

[0019] In the attached figure: 1--reinforcement rib, 2--fixing rod, 3--screw rod, 4--nut, 5--sliding rod, 6--platform frame, 7--slide rail, 8--steel frame, 9--support platform. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings of the present invention to clearly and completely describe the technical solutions and specific embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1: See Figure 1 and Figure 2 A combination platform for reducing the welding shrinkage rate of a boiler steel frame includes several combination units, each of which includes a reinforcing rib 1, a fixed rod 2, a screw 3, a nut 4, a sliding rod 5, a platform frame 6 and a slide rail 7. The reinforcing rib 1 is a triangular structure and is welded together with the fixed rod 2 to form a firm support rod. A group of firm support rods are provided at each end of the platform frame 6; a slide rail 7 is provided in the horizontal direction of the center of the platform frame 6, and the lower end of the sliding rod 5 is provided in the slide rail 7. Through holes are provided at the upper and lower ends of the sliding rod 5, and a through hole is also provided at the upper end of the fixed rod 2. The through hole at the upper end of the sliding rod 5 is consistent in height with the through hole at the upper end of the fixed rod 2; a screw 3 is provided through the through hole at the upper end of the sliding rod 5 and the through hole at the upper end of the fixed rod 2, and a nut 4 is provided at both ends of the screw 3.

[0022] A supporting platform 9 is provided at the lower end of each assembly unit. The supporting platform 9 is in a "⊥" structure. The bottoms of each supporting platform 9 are on the same horizontal line, ensuring that the assembly platforms for reducing the welding shrinkage rate of the boiler steel frame are on the same horizontal line.

[0023] As needed, two or more sliding rods 5 are provided in each slide rail 7 .

[0024] The fixed rod 2 and the sliding rod 5 are fixed by a screw rod 3 and a nut 4 .

[0025] Through holes are provided at the bottom ends of all the sliding rods 5 , and all the sliding rods 5 on one side of the platform frame 6 can be fixed together through the through holes and the penetrating screws.

[0026] Example 2: See Figure 3 A combined platform for reducing the welding shrinkage rate of boiler steel frames. When the size of the steel frame 8 is consistent with that of the combined platform, the two steel frames 8 to be welded are placed at both ends of the combined platform. Each steel frame 8 is close to the fixed rod 2. The sliding rod 5 is slid to the inside of the steel frame 8. The fixed rod 2 and the sliding rod 5 are connected by screws 3 and nuts 4 to respectively fix the two steel frames 8 to be welded. The weld between the two steel frames 8 is the weld to be welded.

[0027] During existing welding processes, the molten metal contracts during cooling, causing stress and deformation in the weld area. This contraction can affect the structural stability and strength of the entire steel frame, and can even cause cracks and defects, reducing weld quality and durability.

[0028] In this embodiment, by fixing the boiler steel frame to be welded in advance, a certain weld distance is maintained at the welding point and is not affected by shrinkage. This can reduce deformation and stress caused by shrinkage during the welding process, thereby improving welding quality and stability and effectively reducing the shrinkage rate during welding.

[0029] Example 3: See Figure 4 A combination platform for reducing the welding shrinkage rate of boiler steel frames. When the size of the steel frame 8 is inconsistent with the combination platform, the two steel frames 8 to be welded are placed on the combination platform, where the right steel frame 8 is close to the fixed rod 2, and a sliding rod 5 is slid to the inside of the steel frame 8. The fixed rod 2 and the sliding rod 5 are connected by screws 3 and nuts 4 to fix the right steel frame 8.

[0030] Align the welds of the left steel frame with those of the right steel frame, set a sliding rod 5 on the inside and outside of the left steel frame, and fix the lower parts of the two sliding rods 5 by inserting screws and nuts through the through holes in the lower parts, and fix the upper parts of the two sliding rods 5 by inserting screws and nuts through the through holes in the upper parts and the through holes at the upper ends of the fixed rods.

[0031] In the present utility model, all terms related to directions such as "upper end", "lower end", "left end", "right end", "up", and "down" are intended to explain the structure of the present utility model, but do not limit the structure of the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A combined platform for reducing the shrinkage rate of boiler steel frame welding, characterized in that: The combined platform for reducing the welding shrinkage rate of a boiler steel frame comprises a plurality of combined units, each of which comprises a reinforcing rib (1), a fixed rod (2), a screw rod (3), a nut (4), a sliding rod (5), a platform frame (6) and a slide rail (7). The reinforcing rib (1) is a triangular structure and is welded together with the fixed rod (2) to form a firm support rod. A group of the firm support rods are arranged at each end of the platform frame (6); a slide rail (7) is arranged in the horizontal direction of the center of the platform frame (6); the lower end of the sliding rod (5) is arranged in the slide rail (7); the upper and lower ends of the sliding rod (5) are both provided with through holes; the upper end of the fixed rod (2) is also provided with a through hole; the through hole at the upper end of the sliding rod (5) is in the same height as the through hole at the upper end of the fixed rod (2); the screw rod (3) is arranged through the through hole at the upper end of the sliding rod (5) and the through hole at the upper end of the fixed rod (2); nuts (4) are arranged at both ends of the screw rod (3).

2. The combined platform for reducing welding shrinkage of boiler steel frame according to claim 1, characterized in that: A support platform (9) is provided at the lower end of each combined unit, the support platform (9) being in a "⊥" structure, and the bottom of each support platform (9) being on the same horizontal line, thereby ensuring that the combined platforms for reducing the welding shrinkage rate of the boiler steel frame are on the same horizontal line.

3. The combined platform for reducing welding shrinkage of boiler steel frame according to claim 1, characterized in that: As required, two or more sliding rods (5) are arranged in each sliding rail (7).

4. The combined platform for reducing welding shrinkage of boiler steel frame according to claim 1, characterized in that: The fixed rod (2) and the sliding rod (5) are fixed via a screw rod (3) and a nut (4).

5. The combined platform for reducing the welding shrinkage rate of boiler steel frame according to claim 3 is characterized in that: The bottom ends of all the sliding rods (5) are provided with through holes, and all the sliding rods (5) on one side of the platform frame (6) can be fixed together through the through holes and the through screws.

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