Steel structure welding auxiliary device

Abstract

The utility model discloses an auxiliary welding device for a steel structure. Comprising a connecting arm, a rotating arm, first clamp mechanisms, a positioning arm and a second clamp mechanism, wherein one end of the rotating arm is assembled in the middle of the connecting arm through a hinge shaft parallel to the connecting arm; the first clamp mechanisms are assembled at the two ends of the connecting arm; the positioning arm is assembled on the rotating arm and can be in contact with the rotating arm; the rotating arm is detachably connected with the positioning arm through the clamping mechanism, the second clamp mechanism and the pair of first clamp mechanisms respectively clamp three rectangular steel pipes which are perpendicular in pairs, and after the second clamp mechanism and the pair of first clamp mechanisms respectively clamp the three rectangular steel pipes which are perpendicular in pairs, the rectangular steel pipes can be quickly positioned and clamped. And the rectangular steel pipe can be prevented from moving in the welding process, the welding quality can be improved, the welding work efficiency can also be improved, the structure is simple, use is convenient, and cost is low.

Description

Technical Field

[0001] This utility model relates to the technical field of steel structure processing, specifically to a steel structure welding auxiliary device. Background Technology

[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. The structures are mainly made of various steel materials, and the components or parts are usually connected by welds, bolts, or rivets. Due to their light weight and simple construction, they are widely used in large factories, stadiums, high-rise buildings, bridges, and other fields.

[0003] Chinese utility model patent application number CN202323018604.2, entitled "A Welding Clamp for Steel Structures," discloses a welding clamp for steel structures. Through its adjustable design, it can complete welding of steel pipes at different angles, offering greater stability and ease of use compared to manual methods. However, the aforementioned patent has the following shortcomings: the welding clamp can only hold two steel pieces for welding on the same plane, a common function of most welding clamps in the prior art. When using the aforementioned angle to weld three steel pieces at right angles, it is necessary to weld two pieces first, and then remove the clamp to hold the remaining steel piece for welding, resulting in low work efficiency. Therefore, a steel structure welding auxiliary device needs to be designed. Utility Model Content

[0004] To address the aforementioned technical problems, the purpose of this utility model is to overcome the low work efficiency in the prior art when welding three steel materials vertically in pairs.

[0005] To achieve the above objectives, this utility model provides a steel structure welding auxiliary device, comprising: a connecting arm, a rotating arm with one end mounted in the middle of the connecting arm via a hinge shaft arranged parallel to the connecting arm, a first clamping mechanism mounted on both ends of the connecting arm, a positioning arm mounted on the rotating arm and capable of contacting the rotating arm, and a second clamping mechanism mounted on the end of the rotating arm away from the hinge shaft. The rotating arm is detachably connected to the positioning arm via a snap-fit ​​mechanism. The second clamping mechanism and a pair of first clamping mechanisms respectively clamp three rectangular steel pipes perpendicular to each other.

[0006] Preferably, the positioning arm is provided with a positioning plate that can fit against the rotating arm, and the positioning plate is provided with a first strip-shaped through groove whose length direction is perpendicular to the length direction of the hinge axis and whose end away from the rotating arm is an open end;

[0007] The rotating arm has a recessed groove of the same length on the side away from the positioning arm. A second strip groove corresponding to the first strip groove is provided through the bottom of the strip groove. The locking mechanism includes a sliding member that can slide in the strip groove and a locking bolt that slides through the first strip groove and is threadedly connected to the sliding member.

[0008] Preferably, the first clamping mechanism includes a fixed clamping plate fixedly connected to the end of the connecting arm, a movable clamping plate arranged parallel to the fixed clamping plate, at least one first guide rod fixedly connected to the fixed clamping plate and slidingly passing through the movable clamping plate, a first threaded rod threaded through the fixed clamping plate and axially connected to the movable clamping plate and parallel to the first guide rod, and a first handwheel fixedly sleeved on the end of the first threaded rod.

[0009] Preferably, both the fixed clamp and the movable clamp have a protruding positioning part on the side that is close to each other, which can contact the upper surface of the rectangular steel pipe.

[0010] Preferably, the second clamping mechanism includes a mounting base fixedly connected to the end of the rotating arm, at least one second guide rod whose central part is fixedly connected to the mounting base and parallel to the hinge axis, a double-threaded rod whose central part is axially connected to the mounting base and parallel to the second guide rod, a second handwheel assembled at one end of the double-threaded rod, a pair of connecting frames that are respectively slidably sleeved on both ends of the second guide rod and respectively threadedly connected to both ends of the double-threaded rod, and a pair of clamps respectively assembled on the corresponding connecting frames.

[0011] Preferably, the clamp is provided with a groove that matches the corner of the rectangular steel pipe.

[0012] According to the above technical solution, the steel structure welding auxiliary device provided by this utility model has the following advantages in use: after the second clamping mechanism and a pair of first clamping mechanisms respectively clamp the three rectangular steel pipes that are perpendicular to each other, the rectangular steel pipes can be quickly positioned and clamped, and the rectangular steel pipes can be prevented from moving during the welding process. This not only improves the welding quality, but also improves the welding efficiency. Moreover, the structure is simple, easy to use, and low in cost.

[0013] Other features and advantages of this utility model will be described in detail in the following detailed description section; and all parts not covered in this utility model are the same as or can be implemented using existing technology. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram illustrating the use of a steel structure welding auxiliary device provided in this utility model;

[0016] Figure 2 This is a three-dimensional structural schematic diagram of a steel structure welding auxiliary device provided in this utility model;

[0017] Figure 3 This is a partial three-dimensional structural schematic diagram of a steel structure welding auxiliary device provided in this utility model;

[0018] Figure 4 This utility model provides a steel structure welding auxiliary device. Figure 2 Enlarged view of point A in the middle;

[0019] Figure 5 This is a partially exploded schematic diagram of a steel structure welding auxiliary device provided in this utility model.

[0020] Explanation of reference numerals in the attached figures

[0021] 1. Connecting arm; 2. Hinge shaft; 3. Rotating arm; 4. Rectangular steel pipe; 5. Positioning arm; 6. Positioning plate; 7. First strip-shaped through groove; 8. Strip-shaped groove; 9. Second strip-shaped through groove; 10. Sliding component; 11. Locking bolt; 12. Fixed clamping plate; 13. Movable clamping plate; 14. First guide rod; 15. First threaded rod; 16. First handwheel; 17. Positioning part; 18. Mounting seat; 19. Second guide rod; 20. Double-ended threaded rod; 21. Second handwheel; 22. Connecting frame; 23. Clamp; 24. Groove part. Detailed Implementation

[0022] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0023] In this utility model, unless otherwise stated, directional words such as "upper," "lower," "inner," and "outer" included in the terminology only represent the orientation of the term in its conventional use or are common terms understood by those skilled in the art, and should not be regarded as limitations on the term.

[0024] like Figure 1-5 As shown, a steel structure welding auxiliary device includes: a connecting arm 1, a rotating arm 3 mounted at the center of the connecting arm 1 via a hinge shaft 2 arranged parallel to the connecting arm 1, a first clamping mechanism mounted on both ends of the connecting arm 1, a positioning arm 5 mounted on the rotating arm 3 and capable of contacting the rotating arm 3, and a second clamping mechanism mounted on the end of the rotating arm 3 away from the hinge shaft 2. The rotating arm 3 is detachably connected to the positioning arm 5 via a snap-fit ​​mechanism. The second clamping mechanism and a pair of first clamping mechanisms respectively clamp three rectangular steel pipes 4 that are perpendicular to each other.

[0025] After the second clamping mechanism and a pair of first clamping mechanisms clamp the three rectangular steel pipes 4 perpendicular to each other, welding can be performed at the joints of two adjacent rectangular steel pipes 4. The auxiliary device can quickly position and clamp the rectangular steel pipes 4, and also prevent the rectangular steel pipes 4 from moving during the welding process, which can not only improve the welding quality, but also improve the welding efficiency. After welding is completed, first release the second clamping mechanism and open the snap-fit ​​mechanism, then rotate the rotating arm 3 to move the second clamping mechanism away from the rectangular steel pipe 4. Then open the first clamping mechanism to separate the auxiliary device from the welded rectangular steel pipe 4. This auxiliary device has a simple structure, is easy to use, and has a low cost.

[0026] The positioning arm 5 is provided with a positioning plate 6 that can fit with the rotating arm 3. The positioning plate 6 is provided with a first strip-shaped through groove 7 whose length direction is perpendicular to the length direction of the hinge shaft 2 and whose end away from the rotating arm 3 is an open end.

[0027] The rotating arm 3 has a recessed groove 8 of the same length on the side away from the positioning arm 5. The bottom of the groove 8 has a second groove 9 corresponding to the first groove 7. The locking mechanism includes a sliding member 10 that can slide in the groove 8 and a locking bolt 11 that slides through the first groove 7 and is threadedly connected to the sliding member 10.

[0028] When the rotating arm 3 rotates and comes into contact with the positioning plate 6, move the locking bolt 11 so that it is inserted into the first strip-shaped through groove 7, tighten the locking bolt 11, and the sliding part 10 will tightly abut against the rotating arm 3, and the head of the locking bolt 11 will tightly abut against the positioning plate 6, so that the positioning arm 5 and the rotating arm 3 are fixed together; after welding is completed, loosen the locking bolt 11 and then remove the locking bolt 11 from the first strip-shaped through groove 7, and the rotating arm 3 can be rotated. The operation is simple and convenient.

[0029] The first clamping mechanism includes a fixed clamping plate 12 fixedly connected to the end of the connecting arm 1, a movable clamping plate 13 arranged parallel to the fixed clamping plate 12, at least one first guide rod 14 fixedly connected to the fixed clamping plate 12 and slidingly passing through the movable clamping plate 13, a first threaded rod 15 threaded through the fixed clamping plate 12 and axially connected to the movable clamping plate 13 and parallel to the first guide rod 14, and a first handwheel 16 fixedly sleeved on the end of the first threaded rod 15.

[0030] Rotating the first handwheel 16 drives the first threaded rod 15 to rotate, which in turn drives the movable clamping plate 13 to slide on the first guide rod 14. When the movable clamping plate 13 moves closer to the fixed clamping plate 12, it can clamp the corresponding rectangular steel pipe 4. When the movable clamping plate 13 moves away from the clamping plate, it can release the corresponding rectangular steel pipe 4.

[0031] On the side of the fixed clamping plate 12 and the movable clamping plate 13 that are close to each other, there is a positioning part 17 that can contact the upper surface of the rectangular steel pipe 4.

[0032] The positioning part 17 facilitates the positioning of the rectangular steel pipe 4, shortens the time required to clamp the rectangular steel pipe 4, and improves work efficiency.

[0033] The second clamping mechanism includes a mounting base 18 fixedly connected to the end of the rotating arm 3, at least one second guide rod 19 whose central part is fixedly connected to the mounting base 18 and parallel to the hinge axis 2, a double-threaded rod 20 whose central part is axially connected to the mounting base 18 and parallel to the second guide rod 19, a second handwheel 21 assembled on one end of the double-threaded rod 20, a pair of connecting frames 22 respectively slidably sleeved on both ends of the second guide rod 19 and threadedly connected to both ends of the double-threaded rod 20, and a pair of clamps 23 respectively assembled on the corresponding connecting frames 22.

[0034] Rotating the second handwheel 21 drives the double-ended threaded rod 20 to rotate, which in turn drives a pair of connecting frames 22 to slide on the second guide rod 19. When the pair of connecting frames 22 slide in opposite directions, a pair of clamps 23 will release the rectangular steel pipe 4. When the pair of connecting frames 22 slide in opposite directions, a pair of clamps 23 will hold the rectangular steel pipe 4.

[0035] The clamp 23 is provided with a groove 24 that matches the corner of the rectangular steel pipe 4.

[0036] The groove 24 facilitates the positioning of the rectangular steel pipe 4, shortens the time required to clamp the rectangular steel pipe 4, and improves work efficiency.

[0037] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0038] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0039] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A steel structure welding auxiliary device, characterized in that, include: The connecting arm (1), a rotating arm (3) with one end mounted in the middle of the connecting arm (1) via a hinge shaft (2) parallel to the connecting arm (1), a first clamping mechanism mounted on both ends of the connecting arm (1), a positioning arm (5) mounted on the rotating arm (3) and in contact with the rotating arm (3), and a second clamping mechanism mounted on the end of the rotating arm (3) away from the hinge shaft (2). The rotating arm (3) can be detached from the positioning arm (5) via a snap-fit ​​mechanism. The second clamping mechanism and a pair of first clamping mechanisms respectively clamp three rectangular steel pipes (4) that are perpendicular to each other.

2. The steel structure welding auxiliary device according to claim 1, characterized in that, The positioning arm (5) is provided with a positioning plate (6) that can fit against the rotating arm (3). The positioning plate (6) is provided with a first strip-shaped through groove (7) whose length direction is perpendicular to the length direction of the hinge shaft (2) and whose end is open and away from the rotating arm (3). The rotating arm (3) is recessed on the side away from the positioning arm (5) with a strip groove (8) of the same length direction. The bottom of the strip groove (8) is provided with a second strip groove (9) corresponding to the first strip groove (7). The locking mechanism includes a sliding member (10) that can slide in the strip groove (8) and a locking bolt (11) that slides through the first strip groove (7) and is threadedly connected to the sliding member (10).

3. The steel structure welding auxiliary device according to claim 1, characterized in that, The first clamping mechanism includes a fixed clamping plate (12) fixedly connected to the end of the connecting arm (1), a movable clamping plate (13) arranged parallel to the fixed clamping plate (12), at least one first guide rod (14) fixedly connected to the fixed clamping plate (12) and slidingly passing through the movable clamping plate (13), a first threaded rod (15) threaded through the fixed clamping plate (12) and axially connected to the movable clamping plate (13) and parallel to the first guide rod (14), and a first handwheel (16) fixedly sleeved on the end of the first threaded rod (15).

4. The steel structure welding auxiliary device according to claim 3, characterized in that, The fixed clamp (12) and the movable clamp (13) are both provided with a positioning part (17) that can contact the upper surface of the rectangular steel pipe (4) on the side that is close to each other.

5. The steel structure welding auxiliary device according to claim 1, characterized in that, The second clamping mechanism includes a mounting base (18) fixedly connected to the end of the rotating arm (3), at least one second guide rod (19) whose central part is fixedly connected to the mounting base (18) and parallel to the hinge shaft (2), a double-threaded rod (20) whose central part is axially connected to the mounting base (18) and parallel to the second guide rod (19), a second handwheel (21) assembled on one end of the double-threaded rod (20), a pair of connecting frames (22) respectively slidably sleeved on both ends of the second guide rod (19) and threadedly connected to both ends of the double-threaded rod (20), and a pair of clamps (23) respectively assembled on the corresponding connecting frames (22).

6. The steel structure welding auxiliary device according to claim 5, characterized in that, The clamp (23) is provided with a groove (24) that matches the corner of the rectangular steel pipe (4).

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