Positioning device for welding beam-column joint of steel structure

Abstract

The utility model discloses a positioning device for welding beam-column joints of a steel structure, which belongs to the technical field of steel structures and comprises a bottom plate, a moving block is arranged above the bottom plate, the top of the moving block is fixedly connected with a placing frame, the top of the bottom plate is fixedly connected with two fixing blocks, and the fixing blocks are fixedly connected with the placing frame. Wherein two symmetrically distributed placing blocks are fixedly connected to the top of one fixing block, two moving frames are arranged on the outer sides of the fixing blocks, electric welding heads are arranged in the two moving frames, and a first threaded rod and a guide column are driven by a first motor to achieve a synergistic effect, so that the electric welding heads are arranged on the two moving frames; the movable blocks and the steel on the movable blocks can be accurately controlled to move in the direction of the fixed blocks and the containing blocks, preliminary positioning of the steel is achieved, the two-way threaded rod driven by the third motor allows the two movable frames to move towards the center or the two sides at the same time, the relative position between the welding head and the steel is further finely adjusted, and the accuracy of the welding position is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, and more specifically to a positioning device for welding beam-column nodes of steel structures. Background Art

[0002] The steel structure beam-column node is an important component of steel structure buildings. It refers to the part where the beam and column intersect and connect in the steel structure. The design and construction of the beam-column node have a key impact on the design, construction and use of the steel structure.

[0003] In steel structure buildings, beam-column joints are an important part of the structural system. The connection quality and stability of beam-column joints are directly related to the safety and durability of the entire structure. The connection of beam-column joints is usually achieved by welding, bolting, or a combination of the two. However, during the welding process, due to the influence of factors such as welding heat input, welding deformation, and welding residual stress, the welding quality of beam-column joints is often difficult to control. This problem is particularly prominent in large and complex steel structure projects. Traditional welding positioning devices have many shortcomings in the welding process of beam-column joints. Traditional positioning devices often cannot provide accurate positioning and clamping functions, which makes the weldment easy to shift during the welding process, affecting the welding accuracy and weld quality. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a positioning device for welding steel structure beam-column nodes, which solves the above-mentioned problems.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a positioning device for welding a steel structure beam-column node, comprising a base plate, a movable block is provided above the base plate, a placement rack is fixedly connected to the top of the movable block, two fixed blocks are fixedly connected to the top of the base plate, one of the fixed blocks is fixedly connected to the top of two symmetrically distributed placement blocks, two movable racks are provided on the outside of the fixed block, and electric welding heads are provided inside the two movable racks, and further comprising:

[0008] A positioning assembly, located above the base plate, is used to drive the moving block to move toward the fixed block;

[0009] A fixing assembly, located above the two placement blocks, for fixing the steel to be welded;

[0010] Two sets of welding assemblies are located inside corresponding movable frames and are used for welding steel materials.

[0011] Preferably, the positioning assembly includes a first motor, a first threaded rod and a guide column, the first threaded rod is rotatably connected between the two fixed blocks, the outer surface of the first threaded rod is threadedly sleeved with the moving block, the outer surface of the other fixed block is fixedly mounted with the first motor, the output end of the first motor is fixedly connected to the end of the first threaded rod, two guide columns are fixedly connected between the two fixed blocks, the first threaded rod is located between the two guide columns, and the moving block is movably sleeved with the two guide columns.

[0012] Preferably, the fixing assembly includes a screw, a pressure block and a pushing cylinder. The placement rack is arranged in a "mouth"-shaped structure. The top of the placement rack is rotatably connected to a screw. The outer surfaces of the two placement blocks are fixedly installed with pushing cylinders. The output ends of the two pushing cylinders are fixedly connected with pressure blocks. The two pressure blocks are located above the two placement blocks.

[0013] Preferably, the height of the inner wall of the bottom of the placement rack is consistent with the height of the tops of the two placement blocks.

[0014] Preferably, a rectangular groove is provided on the top of the base plate, a bidirectional threaded rod is rotatably connected inside the rectangular groove, a third motor is fixedly installed on the outer surface of the base plate, the output end of the third motor is fixedly connected to the end of the bidirectional threaded rod, the interior of the third motor is slidably connected to two movable frames, and the two movable frames are threadedly sleeved with the bidirectional threaded rod.

[0015] Preferably, the welding assembly includes a second motor, a second threaded rod, a guide rail and an adapter block. The movable frame is arranged in an L-shaped structure. The interior of the movable frame is fixedly connected to two guide rails. The outer surfaces of the two guide rails are slidably connected to the adapter block. The interior of the movable frame is connected to the second threaded rod, and the second threaded rod is threadedly sleeved with the adapter block. The top of the movable frame is fixedly installed with a second motor, and the output end of the second motor is fixedly connected to the end of the second threaded rod. The two movable frames are located on the outside of the two first threaded rods.

[0016] Preferably, a plurality of equidistantly distributed first scale lines are fixedly provided on the outer surface of the placement rack, a connecting plate is fixedly connected between the two placement blocks, and a plurality of equidistantly distributed second scale lines are fixedly provided on the outer surface of the connecting plate.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides a positioning device for welding steel structure beam-column nodes, which has the following beneficial effects:

[0019] 1. This positioning device for welding steel structure beam-column nodes can accurately control the movement of the movable block and the steel on it toward the fixed block and the placement block through the coordinated action of the first motor driving the first threaded rod and the guide column, thereby achieving the initial positioning of the steel. The bidirectional threaded rod driven by the third motor allows the two movable frames to move toward the center or both sides at the same time, further fine-tuning the relative position between the welding head and the steel to ensure the accuracy of the welding position.

[0020] 2. This positioning device for welding steel structure beam-column nodes can firmly fix the steel to be welded through the design of the placement frame and the pressure block, preventing the steel from moving or deforming during the welding process, ensuring the welding quality, and the additional fixing effect of the screw further enhances the stability of the steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a side view of the structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the welding assembly structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the second scale line structure of the utility model.

[0025] In the figure: 1. Base plate; 2. Moving block; 3. Fixed block; 4. First motor; 5. First threaded rod; 6. Guide column; 7. Placement rack; 8. Screw; 9. Second motor; 10. Third motor; 11. Bidirectional threaded rod; 12. Pressing block; 13. Placement block; 14. First scale line; 15. Rectangular slot; 16. Moving rack; 17. Pushing cylinder; 18. Second threaded rod; 19. Electric welding head; 20. Guide rail; 21. Adapter block; 22. Second scale line. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the 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 making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-4 , the utility model provides a technical solution:

[0028] A positioning device for welding a steel structure beam-column node comprises a base plate 1, a movable block 2 is provided above the base plate 1, a placement frame 7 is fixedly connected to the top of the movable block 2, two fixed blocks 3 are fixedly connected to the top of the base plate 1, two symmetrically distributed placement blocks 13 are fixedly connected to the top of one of the fixed blocks 3, two movable frames 16 are provided outside the fixed block 3, and electric welding heads 19 are provided inside the two movable frames 16. The device also comprises:

[0029] The positioning assembly is located above the bottom plate 1 and is used to drive the moving block 2 to move toward the fixed block 3;

[0030] A fixing assembly, located above the two placement blocks 13, is used to fix the steel to be welded;

[0031] Two sets of welding assemblies are both located inside the corresponding movable racks 16 and are used to weld steel. When the steel to be welded is placed on the placement rack 7 , the other section of steel is placed on the two placement blocks 13 .

[0032] Furthermore, the positioning assembly includes a first motor 4, a first threaded rod 5 and a guide column 6. The first threaded rod 5 is rotatably connected between the two fixed blocks 3. The outer surface of the first threaded rod 5 is threadedly sleeved with the moving block 2. The outer surface of the other fixed block 3 is fixedly installed with the first motor 4. The output end of the first motor 4 is fixedly connected to the end of the first threaded rod 5. Two guide columns 6 are fixedly connected between the two fixed blocks 3. The first threaded rod 5 is located between the two guide columns 6. The moving block 2 is movably sleeved with the two guide columns 6. The first motor 4 drives the first threaded rod 5 to rotate. Since the first threaded rod 5 is threadedly sleeved with the moving block 2, and the moving block 2 is also guided by the guide column 6, the guide column 6 ensures that the moving block 2 remains stable during the movement and does not rotate. Therefore, the moving block 2 will move along the axial direction of the first threaded rod 5 in the direction of the two placement blocks 13.

[0033] Furthermore, the fixing assembly includes a screw 8, a pressure block 12 and a pushing cylinder 17. The placement frame 7 is arranged in a "mouth"-shaped structure. The top of the placement frame 7 is rotatably connected to the screw 8. The outer surfaces of the two placement blocks 13 are fixedly installed with pushing cylinders 17. The output ends of the two pushing cylinders 17 are fixedly connected to the pressure blocks 12. The two pressure blocks 12 are located above the two placement blocks 13. The output end of the pushing cylinder 17 pushes the pressure blocks 12 to move downward until the pressure blocks 12 are in close contact with the steel and apply sufficient pressure, thereby fixing the steel between the placement blocks 13 and the placement frame 7.

[0034] Furthermore, the height of the bottom inner wall of the placement rack 7 is consistent with the height of the tops of the two placement blocks 13, so that the two steel materials are at the same height.

[0035] Furthermore, a rectangular groove 15 is provided on the top of the base plate 1, and a bidirectional threaded rod 11 is rotatably connected inside the rectangular groove 15. A third motor 10 is fixedly installed on the outer surface of the base plate 1, and the output end of the third motor 10 is fixedly connected to the end of the bidirectional threaded rod 11. The interior of the third motor 10 is slidably connected to two movable frames 16, and the two movable frames 16 are threadedly sleeved with the bidirectional threaded rod 11. The third motor 10 drives the bidirectional threaded rod 11 to rotate. Since the two movable frames 16 are threadedly sleeved with the bidirectional threaded rod 11 in opposite directions, the two movable frames 16 will move toward the center or both sides at the same time in the rectangular groove 15, thereby adjusting the relative position between the welding head 19 and the steel.

[0036] Furthermore, the welding assembly includes a second motor 9, a second threaded rod 18, a guide rail 20 and an adapter block 21. The movable frame 16 is arranged in an L-shaped structure. The interior of the movable frame 16 is fixedly connected to two guide rails 20, and the outer surfaces of the two guide rails 20 are slidably connected with the adapter block 21. The interior of the movable frame 16 is connected to the second threaded rod 18, and the second threaded rod 18 is threadedly sleeved with the adapter block 21. The top of the movable frame 16 is fixedly installed with a second motor 9, and the output end of the second motor 9 is fixedly connected to the end of the second threaded rod 18. The two movable frames 16 are located on the outside of the two first threaded rods 5. The second motor 9 drives the second threaded rod 18 to rotate. Since the adapter block 21 is threadedly sleeved with the second threaded rod 18 and slides along the guide rail 20, the adapter block 21 will move along the direction of the guide rail 20, thereby driving the electric welding head 19 to move up and down for welding. The electric welding head mainly melts the metal by converting electrical energy into heat energy, thereby achieving welding.

[0037] Furthermore, a plurality of equally spaced first scale lines 14 are fixedly provided on the outer surface of the placement rack 7, a connecting plate is fixedly connected between the two placement blocks 13, and a plurality of equally spaced second scale lines 22 are fixedly provided on the outer surface of the connecting plate. The first scale lines 14 and the second scale lines 22 on the placement rack 7 and the connecting plate respectively provide intuitive positioning references for the operator, which helps to adjust the position of the steel and the welding head more accurately.

[0038] Working principle: When the staff needs to use the positioning device for welding the steel structure beam-column node, when the steel to be welded is placed on the placement frame 7, the first motor 4 is started, and the first motor 4 drives the first threaded rod 5 to rotate. Since the first threaded rod 5 is threadedly sleeved with the moving block 2, and the moving block 2 is also guided by the guide column 6, the guide column 6 ensures that the moving block 2 remains stable and does not rotate during the movement, so the moving block 2 will move along the axial direction of the first threaded rod 5 toward the direction of the two placement blocks 13, and the screw 8 is rotated to move it downward and against the top of the steel to further enhance the fixing effect. Then, another section of steel to be welded is placed on the two placement blocks 13, and the pushing cylinder 17 is started. The output end of the pushing cylinder 17 pushes the pressing block 12 downward until the pressing block 12 is in close contact with the steel and exerts sufficient pressure, thereby fixing the other section of steel between the placement block 13 and the placement frame 7. After the two sections of steel are fixed, the third motor 10 is started, and the third motor 10 drives the bidirectional threaded rod 11 to rotate. Since the two movable frames 16 are threadedly connected to the bidirectional threaded rod 11 and in opposite directions, the two movable frames 16 will move simultaneously toward the center or both sides in the rectangular groove 15, thereby adjusting the relative position between the welding head 19 and the steel. Then the second motor 9 is started, and the second motor 9 drives the second threaded rod 18 to rotate. Since the adapter block 21 is threadedly connected to the second threaded rod 18 and slides along the guide rail 20, the adapter block 21 will move along the direction of the guide rail 20, thereby driving the electric welding head 19 to move up and down for welding. The electric welding head mainly melts the metal by converting electrical energy into heat energy, thereby achieving welding. The first scale line 14 and the second scale line 22 on the placement frame 7 and the connecting plate respectively provide the operator with an intuitive positioning reference, which helps to more accurately adjust the position of the steel and the electric welding head 19.

[0039] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for welding a steel structure beam-column node, comprising a bottom plate (1), characterized in that: A moving block (2) is provided above the base plate (1), a placement rack (7) is fixedly connected to the top of the moving block (2), two fixed blocks (3) are fixedly connected to the top of the base plate (1), two symmetrically distributed placement blocks (13) are fixedly connected to the top of one of the fixed blocks (3), two moving racks (16) are provided on the outside of the fixed block (3), and electric welding heads (19) are provided inside the two moving racks (16), and further comprising: A positioning assembly, located above the base plate (1), is used to drive the moving block (2) to move toward the fixed block (3); A fixing assembly, located above the two placement blocks (13), for fixing the steel material to be welded; Two sets of welding assemblies are both located inside corresponding moving frames (16) and are used for welding steel materials.

2. A steel structure beam-column joint welding positioning device according to claim 1, characterized in that: The positioning assembly comprises a first motor (4), a first threaded rod (5) and a guide column (6); the first threaded rod (5) is rotatably connected between the two fixed blocks (3); the outer surface of the first threaded rod (5) is threadedly sleeved with the moving block (2); the outer surface of the other fixed block (3) is fixedly mounted with the first motor (4); the output end of the first motor (4) is fixedly connected to the end of the first threaded rod (5); two guide columns (6) are fixedly connected between the two fixed blocks (3); the first threaded rod (5) is located between the two guide columns (6); and the moving block (2) is movably sleeved with the two guide columns (6).

3. A positioning device for welding a steel structure beam-column node according to claim 1, characterized in that: The fixing assembly comprises a screw (8), a pressure block (12) and a pushing cylinder (17); the placement rack (7) is arranged in a "mouth"-shaped structure; the top of the placement rack (7) is rotatably connected to the screw (8); the outer surfaces of the two placement blocks (13) are fixedly mounted with the pushing cylinder (17); the output ends of the two pushing cylinders (17) are fixedly connected to the pressure blocks (12); and the two pressure blocks (12) are located above the two placement blocks (13).

4. A positioning device for welding a steel structure beam-column node according to claim 1, characterized in that: The height of the bottom inner wall of the placement rack (7) is consistent with the height of the tops of the two placement blocks (13).

5. A positioning device for welding a steel structure beam-column node according to claim 1, characterized in that: A rectangular groove (15) is provided on the top of the base plate (1), a bidirectional threaded rod (11) is rotatably connected to the interior of the rectangular groove (15), a third motor (10) is fixedly mounted on the outer surface of the base plate (1), an output end of the third motor (10) is fixedly connected to the end of the bidirectional threaded rod (11), the interior of the third motor (10) is slidably connected to two movable frames (16), and the two movable frames (16) are threadedly sleeved with the bidirectional threaded rod (11).

6. A positioning device for welding a steel structure beam-column node according to claim 1, characterized in that: The welding assembly comprises a second motor (9), a second threaded rod (18), a guide rail (20) and an adapter block (21); the movable frame (16) is arranged in an L-shaped structure; the interior of the movable frame (16) is fixedly connected to two guide rails (20); the outer surfaces of the two guide rails (20) are slidably connected to the adapter block (21); the interior of the movable frame (16) is connected to a second threaded rod (18); the second threaded rod (18) is threadedly sleeved with the adapter block (21); the top of the movable frame (16) is fixedly installed with a second motor (9); the output end of the second motor (9) is fixedly connected to the end of the second threaded rod (18); and the two movable frames (16) are located outside the two first threaded rods (5).

7. A positioning device for welding a steel structure beam-column node according to claim 1, characterized in that: The outer surface of the placement rack (7) is fixedly provided with a plurality of first scale lines (14) distributed at equal intervals, a connecting plate is fixedly connected between the two placement blocks (13), and the outer surface of the connecting plate is fixedly provided with a plurality of second scale lines (22) distributed at equal intervals.

Images