Clamping device on steel structure welding frame

Abstract

The utility model discloses a clamping device on a steel structure welding frame, which belongs to the technical field of clamping devices, and comprises a clamping mechanism mounted at the top of a welding base, the clamping mechanism comprises two main annular plates and two auxiliary annular plates, the two auxiliary annular plates are arranged between the two main annular plates, and the two auxiliary annular plates are arranged on the two main annular plates. A plurality of first clamping plates and second clamping plates used for fixing a steel structure are arranged in the main annular plate and the auxiliary annular plate correspondingly, a supporting mechanism is fixedly arranged at the top of the welding base and comprises two supporting plates, and lantern rings are arranged on the two supporting plates correspondingly. The steel structure is clamped and fixed through the first clamping plates and the second clamping plates in the two main ring plates and the two auxiliary ring plates, the steel structure welding clamp can be suitable for circular and rectangular steel structures, in the welding process, the positions, close to the connecting position of the two steel structures, of the two auxiliary ring plates play a role in reinforcing, the stability of the steel structures is greatly enhanced, and the welding quality is improved. And the steel structure is always kept at a fixed position during welding, so that the welding precision of the steel structure can be fully guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of clamping devices, specifically a clamping device for a steel structure welded frame. Background Technology

[0002] Steel structures are a type of building structure, primarily composed of beams, columns, and trusses made of shaped steel and steel plates. These components are typically connected by welds, bolts, or rivets. Due to their light weight and ease of construction, they are widely used in large factories, stadiums, and high-rise buildings. During welding, a welding frame is used for support before welding two steel structures together. To improve stability, clamping devices are installed on the welding frame to secure the steel structure.

[0003] For example, the welding device for steel structure processing disclosed in the prior art (CN217702072U) can position the steel structure to be welded by means of two sets of steel structure clamping devices and by means of a fixing plate. It can be applied to steel structures of different sizes and is simple to operate and has wide applicability.

[0004] However, the above-mentioned existing technology still has the following problems when used: after clamping the two steel structures with the clamping device, the position where the two steel structures are in contact is not under force. During welding, the steel structure may shake or shift due to welding stress, external force and other factors. When the steel structure shakes or shifts, welding defects are likely to occur, reducing the welding quality. Utility Model Content

[0005] Therefore, this utility model provides a clamping device on a steel structure welding frame to solve the problem in the prior art that the steel structure will shake or shift during the welding process due to the lack of force at the joint of the two steel structures, resulting in welding defects and reduced welding quality.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A clamping device for a steel structure welding frame includes a clamping mechanism installed on the top of a welding base. The clamping mechanism includes two main ring plates and two auxiliary ring plates, with the two auxiliary ring plates disposed between the two main ring plates. Multiple clamping plates (first and second) for fixing the steel structure are provided inside both the main ring plates and the auxiliary ring plates. A support mechanism is fixedly installed on the top of the welding base. The support mechanism includes two support plates, each with a collar. Multiple connecting rods for supporting the main ring plates and auxiliary ring plates are fixedly installed between the two collars.

[0008] Furthermore, electric push rods are fixedly inserted through the outer walls of the two main ring plates and the two auxiliary ring plates. The piston ends of the multiple electric push rods are detachably fixed to clamping plate one and clamping plate two, respectively, which facilitates the removal and replacement of clamping plate one and clamping plate two.

[0009] Furthermore, each of the two main ring plates and the two auxiliary ring plates has a number of through holes on one side, the same number as the connecting rods. The connecting rods pass through the through holes. When the main ring plates and auxiliary ring plates are supported by four connecting rods, the stability of the main ring plates and auxiliary ring plates can be improved, and the position of the main ring plates and auxiliary ring plates can be adjusted by the staff.

[0010] Furthermore, each main ring plate and each secondary ring plate has multiple evenly distributed fastening bolts threadedly connected to its outer wall. These fastening bolts are spaced apart from multiple electric push rods. Each connecting rod has multiple evenly distributed threaded holes machined on its outer wall. The fastening bolts are threadedly connected to the threaded holes, and the fastening bolts are used for fixing, which facilitates the adjustment of the position of the main ring plate and the secondary ring plate by the operator, thereby improving the applicability of the device.

[0011] Furthermore, each of the two support plates has a circular hole machined on one side, and the collar is installed inside the circular hole by a bearing. By using the bearing to install the collar, the collar can rotate stably inside the circular hole.

[0012] Furthermore, handles are fixedly provided on the front and rear outer walls of each main ring plate and on the front and rear outer walls of each secondary ring plate. The handles are located on one side of the electric push rod, and the operator can grasp the handles to quickly adjust the position of the main ring plate and the secondary ring plate.

[0013] Furthermore, the welding base has a drive shaft rotatably mounted inside. The drive shaft is connected to two collars via a connecting assembly. A stepper motor for driving the drive shaft to rotate is fixed on one side of the welding base. The collars are automatically rotated by the stepper motor, eliminating the need for manual adjustment. This makes the welding of steel structures more time-saving and labor-saving, thereby improving the welding efficiency of steel structures.

[0014] Furthermore, the connecting assembly includes an external gear ring fixedly sleeved on the outer walls of the two collars. Gears that mesh with the external gear rings are fixedly sleeved on both outer walls of the transmission shaft. When the stepper motor drives the transmission shaft to rotate, the gears on the transmission shaft mesh with the external gear rings on the collars, thereby enabling the collars to rotate stably.

[0015] This utility model has the following advantages:

[0016] 1. This utility model achieves clamping and fixing of steel structures by clamping plate one and clamping plate two set inside two main ring plates and two auxiliary ring plates. It can be used for both circular and rectangular steel structures. During the welding process, the two auxiliary ring plates play a reinforcing role near the connection between the two steel structures, which greatly enhances the stability of the steel structure and ensures that the steel structure always maintains a fixed position during welding, thereby fully guaranteeing the welding accuracy of the steel structure.

[0017] 2. The two collars are driven to rotate simultaneously by a stepper motor, a drive shaft, and a connecting assembly. The four connecting rods between the two collars can stably drive the main ring plate and the secondary ring plate to rotate together. The structure is simple, ensuring the continuity of the weld seam, and eliminating the need for manual rotation of the steel structure, thus reducing the intensity of manual labor and greatly improving welding efficiency. Attached Figure Description

[0018] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0020] Figure 1 A schematic diagram of the overall structure of this utility model;

[0021] Figure 2 Schematic diagram of the clamping mechanism and support mechanism provided by this utility model;

[0022] Figure 3 A schematic diagram of the main ring plate structure provided by this utility model;

[0023] Figure 4 Side view of the secondary ring plate provided by this utility model;

[0024] Figure 5 A schematic diagram of the support mechanism provided by this utility model.

[0025] In the diagram: 1. Welding base; 2. Clamping mechanism; 3. Support mechanism; 4. Through hole; 5. Fastening bolt; 6. Threaded hole; 7. Round hole; 8. Handle; 9. Drive shaft; 10. Connecting assembly; 11. Stepper motor;

[0026] 21. Main ring plate; 22. Secondary ring plate; 23. Clamping plate one; 24. Clamping plate two; 25. Electric push rod;

[0027] 31. Support plate; 32. Collar; 33. Connecting rod;

[0028] 101. External gear ring; 102. Gear. Detailed Implementation

[0029] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] Refer to the instruction manual appendix Figures 1-5 This utility model provides a clamping device for a steel structure welding frame, including a clamping mechanism 2 installed on the top of the welding base 1. The clamping mechanism 2 includes two main ring plates 21 and two auxiliary ring plates 22. The two auxiliary ring plates 22 are both located between the two main ring plates 21. The main ring plates 21 and the auxiliary ring plates 22 are provided with multiple clamping plates 23 and 24 for fixing the steel structure. The inner wall of the clamping plate 23 is arc-shaped and suitable for clamping circular steel structures. The inner wall of the clamping plate 24 is flat and suitable for clamping rectangular steel structures. Electric push rods 25 are fixedly inserted through the outer walls of the two main ring plates 21 and the two auxiliary ring plates 22. The electric push rods 25 are fixed by bolts for easy disassembly and maintenance. The piston ends of the multiple electric push rods 25 are detachably fixed to the clamping plates 23 and 24 by bolts. The bolt fixing facilitates the replacement of clamping plates 23 and 24 of different shapes.

[0031] Next, a support mechanism 3 is fixedly installed on the top of the welding base 1. The support mechanism 3 includes two support plates 31, which are respectively installed on both sides of the welding base 1 by bolts. Each of the two support plates 31 is provided with a collar 32. Specifically, a circular hole 7 is machined on one side of each of the two support plates 31. The collar 32 is installed inside the circular hole 7 by a bearing. The collar 32 is connected to the inner ring of the bearing, and the outer ring of the bearing is connected to the inner wall of the circular hole 7, so that the collar 32 can rotate stably in the circular hole 7. Multiple connecting rods 33 for supporting the main ring plate 21 and the secondary ring plate 22 are fixed between the two collars 32 by bolts. The same number of through holes 4 as the connecting rods 33 are machined on one side of each of the two main ring plates 21 and the two secondary ring plates 22. The connecting rods 33 pass through the through holes 4.

[0032] Each main ring plate 21 and each secondary ring plate 22 has multiple evenly distributed fastening bolts 5 threadedly connected to its outer wall. The multiple fastening bolts 5 are spaced apart from multiple electric push rods 25. Each connecting rod 33 has multiple evenly distributed threaded holes 6 machined on its outer wall. The fastening bolts 5 are threadedly connected to the threaded holes 6.

[0033] In practical use, the operator first places the steel structure inside the two main ring plates 21. Simultaneously, depending on the shape of the steel structure, either clamping plate one 23 or clamping plate two 24 is selected (for example, clamping plate one 23 is used for circular steel structures, and clamping plate two 24 is used for rectangular steel structures). After the steel structure is restrained by clamping plate one 23 or clamping plate two 24, the operator pushes the secondary ring plate 22 closer to the main ring plate 21, ensuring that clamping plate one 23 or clamping plate two 24 within the secondary ring plate 22 firmly clamps the steel structure. Then, the two secondary ring plates 22 can be pulled to... The two steel structures are brought close together. Once they are in place, the workers tighten the fastening bolts 5 on the secondary ring plate 22 to weld them together. The secondary ring plates 22 reinforce the connection between the two steel structures, enhancing their stability and keeping them in a fixed position during welding. They also reduce deformation during welding and ensure the welding accuracy of the steel structures. After welding, the electric push rod 25 is used to move the clamping plate 1 23 and clamping plate 24 away from the steel structure, allowing the steel structure to be removed.

[0034] In this embodiment, in order to facilitate manual adjustment of the positions of the main ring plate 21 and the secondary ring plate 22 by the staff, handles 8 are fixedly provided on the outer walls of the front and rear sides of each main ring plate 21 and the outer walls of the front and rear sides of each secondary ring plate 22. The handles 8 are located on one side of the electric push rod 25. When the staff grasps the handles 8, they can quickly adjust the main ring plate 21 and the secondary ring plate 22.

[0035] Refer to the instruction manual appendix Figure 1 , Figure 2 and Figure 5The welding base 1 has a drive shaft 9 inside that can rotate. The drive shaft 9 can be installed using bearings, just like the collar 32. The drive shaft 9 is connected to the two collars 32 through the connecting assembly 10. A stepper motor 11 for driving the drive shaft 9 to rotate is fixed on one side of the welding base 1 by bolts. The connecting assembly 10 includes an external gear ring 101 fixedly sleeved on the outer wall of the two collars 32. Gears 102 that mesh with the external gear ring 101 are fixedly sleeved on both sides of the outer wall of the drive shaft 9.

[0036] The stepper motor 11 drives the transmission shaft 9 to rotate. The transmission shaft 9 drives the collar 32 to rotate through the gear 102 and the external gear ring 101. The two collars 32 drive the two main ring plates 21 and the two auxiliary ring plates 22 to rotate together through the four connecting rods 33. This enables the two steel structures to rotate stably. The workers can complete the welding at the connection of the two steel structures without adjustment, ensuring the continuity of the weld while reducing the intensity of manual labor and thus greatly improving the welding efficiency.

[0037] Although the present invention has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A clamping device for a steel structure welding frame, comprising a clamping mechanism (2) mounted on the top of a welding base (1), characterized in that: The clamping mechanism (2) includes two main ring plates (21) and two secondary ring plates (22). The two secondary ring plates (22) are located between the two main ring plates (21). The main ring plates (21) and the secondary ring plates (22) are provided with multiple clamping plates one (23) and clamping plates two (24) for fixing the steel structure. The welding base (1) is fixedly provided with a support mechanism (3) on the top. The support mechanism (3) includes two support plates (31). Each of the two support plates (31) is provided with a collar (32). A plurality of connecting rods (33) for supporting the main ring plate (21) and the secondary ring plate (22) are fixedly provided between the two collars (32).

2. The clamping device on the steel structure welding frame according to claim 1, characterized in that: Electric push rods (25) are fixedly inserted through the outer walls of the two main ring plates (21) and the two auxiliary ring plates (22). The piston ends of the multiple electric push rods (25) are detachably fixed together with clamping plate one (23) and clamping plate two (24).

3. The clamping device on the steel structure welding frame according to claim 1, characterized in that: Each of the two main ring plates (21) and the two secondary ring plates (22) has a number of through holes (4) on one side, the same number as the connecting rod (33), and the connecting rod (33) passes through the through holes (4).

4. The clamping device on the steel structure welding frame according to claim 2, characterized in that: Each main ring plate (21) and each secondary ring plate (22) has multiple evenly distributed fastening bolts (5) threadedly connected to its outer wall. The multiple fastening bolts (5) are spaced apart from multiple electric push rods (25). Each connecting rod (33) has multiple evenly distributed threaded holes (6) machined on its outer wall. The fastening bolts (5) are threadedly connected to the threaded holes (6).

5. The clamping device on the steel structure welding frame according to claim 1, characterized in that: Both support plates (31) have round holes (7) machined on one side, and the collar (32) is installed inside the round holes (7) by bearings.

6. The clamping device on the steel structure welding frame according to claim 2, characterized in that: Each main ring plate (21) and each secondary ring plate (22) has a handle (8) fixedly installed on the front and rear outer walls. The handle (8) is located on one side of the electric push rod (25).

7. The clamping device on the steel structure welding frame according to claim 1, characterized in that: The welding base (1) is equipped with a drive shaft (9) that rotates inside. The drive shaft (9) is connected to two collars (32) through a connecting assembly (10). A stepper motor (11) for driving the drive shaft (9) to rotate is fixed on one side of the welding base (1).

8. The clamping device on the steel structure welding frame according to claim 7, characterized in that: The connecting assembly (10) includes an external gear ring (101) fixedly sleeved on the outer wall of two collars (32), and gears (102) that mesh with the external gear ring (101) are fixedly sleeved on both sides of the outer wall of the transmission shaft (9).

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