Bridge steel structure welding device

Abstract

The utility model provides a kind of bridge steel structure welding device, the bridge steel structure welding device includes welding device ontology, the welding device ontology includes moving frame, base and rotating mechanism, the upper end of the moving frame is welded with support plate, electric lifting rod is installed on the support plate, welding head is installed on the electric lifting rod, rotating mechanism is provided in the inside of the base, the moving frame is connected with telescopic mechanism;The utility model makes motor move in moving groove by threaded rod drive moving frame, so that moving frame drives welding head to weld at different positions, while moving frame can drive rotating mechanism to rotate by telescopic mechanism, so that the rotation of steel piece can be completed, it is convenient to weld other surface of steel piece, when moving frame drives telescopic mechanism to move reversely, inclined plate rack will not contact with gear, so as not to affect the movement of moving frame.

Description

Technical Field

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

[0002] As a key component of modern transportation infrastructure, the welding quality of bridge steel structures directly affects the structural safety and service life of bridges. Welding is one of the core processes in bridge steel structure manufacturing. For example, Chinese patent CN220943842U discloses a welding device for road bridge steel structures. Its technical solution includes a base, a dual-axis motor, a first threaded rod, a first threaded sleeve, a first connecting rod, a clamping mechanism, an L-shaped plate, a first electric push rod, an adjusting mechanism, and a welding head. The dual-axis motor drives the first threaded rod and the first threaded sleeve, which, in conjunction with the first connecting rod, drives the two clamping mechanisms to move relative to or away from each other, achieving automatic splicing of the steel structure and thus improving the welding effect. Furthermore, the adjusting mechanism can move the welding head back and forth to expand the welding range.

[0003] However, with existing technology, after welding one side of the workpiece, it needs to be flipped to weld the other side. Flipping and reclamping still rely on manual assistance or large lifting equipment, which reduces welding efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a bridge steel structure welding device to solve the problems mentioned in the background section. This invention uses a motor to drive a movable frame along a movable groove via a threaded rod, thereby enabling the welding head to weld different positions on the workpiece. Simultaneously, the movable frame drives a gear to rotate via a slanted rack in a telescopic mechanism, which in turn drives a rotating mechanism to rotate the workpiece, facilitating welding on other surfaces. When the movable frame drives the telescopic mechanism in the opposite direction, the slanted rack retracts and does not contact the gear, ensuring that the movement of the movable frame is not affected.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a bridge steel structure welding device, comprising a welding device body, the welding device body including a movable frame, a base and a rotating mechanism, a support plate welded to the upper end of the movable frame, an electric lifting rod installed on the support plate, a welding head installed on the electric lifting rod, a rotating mechanism provided inside the base, and the movable frame connected to a telescopic mechanism.

[0006] Furthermore, the rotating mechanism includes a gear and a rotating rod. The gear is connected to the inner wall of the base via a rotating shaft, and a transmission belt is sleeved on the rotating shaft.

[0007] Furthermore, the other end of the transmission belt is sleeved on the rotating rod, and a bevel gear is welded onto the rotating rod, the bevel gear being connected to a bevel gear.

[0008] Furthermore, the second bevel gear is connected to the inner wall of the base via a short shaft, and a second transmission belt is sleeved on the short shaft. The other end of the second transmission belt is sleeved on the rotating rod.

[0009] Furthermore, the rotating rod is welded to the rotating plate, and a clamping plate is installed on the rotating plate. The clamping plate is threadedly connected to a bolt, and the bolt is installed on one side of the rotating plate.

[0010] Furthermore, the telescopic mechanism includes a slanted rack and a push rod, the slanted rack being welded to a moving block, the moving block being welded to a spring, and the other end of the spring being welded to the inner wall of the telescopic box.

[0011] Furthermore, one end of the push rod is in contact with a magnetic block, which is embedded in the inner wall of the telescopic box. One side of the push rod is connected to the movable frame, and a second magnetic block is embedded in one end of the telescopic box.

[0012] Furthermore, a motor is installed on one side of the base, the motor is connected to a threaded rod, a movable frame is installed on the threaded rod, the movable frame passes through a movable slot, and a magnetic suction plate is welded to the inner wall of the base.

[0013] The beneficial effects of this utility model are: The bridge steel structure welding device uses a motor to drive a moving frame via a threaded rod, enabling the welding head to weld at different positions. Simultaneously, the moving frame can drive a gear to rotate via a slanted plate rack, which in turn drives the clamping plate to rotate, allowing the steel parts to be flipped over and facilitating welding on other sides of the workpiece.

[0014] After the inclined plate rack drives the gear to rotate, the magnetic block two is attracted and fixed to the magnetic plate. When the moving frame needs to move in the opposite direction, it drives the push rod to overcome the magnetic force of the magnetic block one and separate from it. At the same time as the push rod moves out, the inclined plate rack will gradually retract under the action of the spring restoring force, so as to disengage from the gear during the reverse movement and avoid interference. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the external structure of a bridge steel structure welding device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of a bridge steel structure welding device according to the present invention; Figure 3 This is a top view of the telescopic mechanism of a bridge steel structure welding device according to the present invention. Figure 4This is a schematic diagram of the clamping plate structure of a bridge steel structure welding device according to the present invention; In the diagram: 1. Movable frame; 2. Support plate; 3. Electric lifting rod; 4. Welding head; 5. Base; 6. Movable slot; 7. Rotating mechanism; 8. Motor; 9. Threaded rod; 10. Rotating rod; 11. Telescopic mechanism; 12. Gear; 13. Magnetic plate; 14. Transmission belt one; 15. Bevel gear one; 16. Bevel gear two; 17. Transmission belt two; 18. Movable block; 19. Push rod; 20. Inclined rack; 21. Spring; 22. Magnetic block one; 23. Magnetic block two; 24. Clamping plate; 25. Bolt; 26. Telescopic box. Detailed Implementation

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0017] Please see Figures 1 to 4 This utility model provides the following technical solution: a bridge steel structure welding device, including a welding device body, the welding device body including a movable frame 1, a base 5 and a rotating mechanism 7, a support plate 2 welded to the upper end of the movable frame 1, an electric lifting rod 3 installed on the support plate 2, a welding head 4 installed on the electric lifting rod 3, a rotating mechanism 7 provided inside the base 5, and the movable frame 1 connected to a telescopic mechanism 11; in use, the motor 8 drives the movable frame 1 to move in the movable groove 6 through the threaded rod 9, thereby enabling the movable frame 1 to drive the welding head 4 to weld at different positions. At the same time, the movable frame 1 can drive the rotating mechanism 7 to rotate through the telescopic mechanism 11, thereby completing the rotation of the steel part, which facilitates welding on other surfaces of the steel part. When the movable frame 1 drives the telescopic mechanism 11 to move in the opposite direction, the inclined plate rack 20 will not contact the gear 12, thus not affecting the movement of the movable frame 1.

[0018] In this embodiment, the rotating mechanism 7 includes a gear 12 and a rotating rod 10. The gear 12 is connected to the inner wall of the base 5 via a rotating shaft. A transmission belt 14 is sleeved on the rotating shaft, and the other end of the transmission belt 14 is sleeved on the rotating rod. A bevel gear 15 is welded to the rotating rod, and the bevel gear 15 meshes with a bevel gear 16. The bevel gear 16 is connected to the inner wall of the base 5 via a short shaft, and a transmission belt 17 is sleeved on the short shaft. The other end of the transmission belt 17 is sleeved on the rotating rod 10. The rotating rod 10 is welded to a rotating plate, and a clamping plate 24 is installed on the rotating plate. The clamping plate 24 is threadedly connected to a bolt 25, which is installed on one side of the rotating plate.

[0019] In use, first tighten the bolt 25 to drive the clamping plate 24 to clamp the workpiece. Then start the motor 8, which drives the moving frame 1 to move along the moving groove 6 through the threaded rod 9, so that the welding head 4 can weld at different positions on the workpiece.

[0020] When welding is required on the other side of the workpiece, the control frame 1 moves to one side, causing the telescopic box 26 to move until the internal inclined plate rack 20 meshes with the gear 12. After the gear 12 rotates, it drives the bevel gear 15 to rotate via the transmission belt 14, which in turn drives the bevel gear 16 to rotate. Then, it drives the rotating rod 10 to rotate via the transmission belt 17, and finally, the rotating rod 10 flips the workpiece through the clamping plate 24. This method eliminates the need to re-clamp the workpiece and requires no manual or mechanical assistance in flipping, thus improving welding efficiency.

[0021] During this process, when the telescopic box 26 moves to the end position, it is attracted and fixed to the magnetic plate 13 on the inner wall of the base 5 by the magnetic block 23 on it.

[0022] In this embodiment, the telescopic mechanism 11 includes a slanted rack 20 and a push rod 19. The slanted rack 20 is welded to a movable block 18, and the movable block 18 is welded to one end of a spring 21. The other end of the spring 21 is welded to the inner wall of the telescopic box 26. One end of the push rod 19 contacts a magnetic block 22 embedded in the inner wall of the telescopic box 26, and its other side is connected to the movable frame 1. A magnetic block 23 is embedded in one end of the telescopic box 26. A motor 8 is installed on one side of the base 5. The motor 8 is connected to a threaded rod 9. The movable frame 1 is installed on the threaded rod 9 and passes through the movable groove 6. A magnetic plate 13 is welded to the inner wall of the base 5.

[0023] When the workpiece has finished flipping and the moving frame 1 needs to move in the reverse direction, it exerts a pulling force on the push rod 19. At this time, due to the magnetic attraction between the magnetic block 23 and the magnetic plate 13, the pulling force, together with the above-mentioned force, overcomes the magnetic holding force of the magnetic block 22 on the push rod 19, causing the push rod 19 to move with the moving frame 1 and separate from the magnetic block 22. The push rod 19 then moves mostly out of the telescopic box 26. At this time, the moving block 18 will gradually move under the restoring force of the spring 21, driving the inclined plate rack 20 to gradually enter the telescopic box 26. Therefore, during the reverse movement of the moving frame 1, the inclined plate rack 20 will not contact the gear 12, so the telescopic box 26 will not affect the movement of the moving frame 1.

[0024] If the inclined plate rack 20 needs to be returned to its working position, the movable frame 1 can be moved to the other end of the base 5. At this time, the push rod 19 contacts the inner wall of the base 5 and is pushed inward by the inner wall, thereby causing the push rod 19 to push the inclined plate rack 20 out, and finally the push rod 19 is attracted and fixed to the magnetic block 22 again.

[0025] The working principle is as follows: First, tightening bolt 25 drives clamping plate 24 to clamp the workpiece. Then, starting motor 8 drives moving frame 1 to move along moving groove 6 via threaded rod 9, thereby enabling welding head 4 mounted on moving frame 1 to weld at different positions on the workpiece.

[0026] When welding is completed on one side of the workpiece and welding of the other side is required, the control moving frame 1 moves to one side, driving the telescopic box 26 to move synchronously until the inclined plate rack 20 inside the telescopic box 26 meshes with the gear 12. After the gear 12 rotates, it drives the bevel gear 15 to rotate via the transmission belt 14. When the bevel gear 15 rotates, it drives the bevel gear 16 to rotate, which in turn drives the rotating rod 10 to rotate via the transmission belt 17. The rotating rod 10 drives the workpiece to rotate as a whole through the clamping plate 24, thereby realizing the preparation for welding the other side of the workpiece. The entire process does not require re-clamping of the workpiece, nor does it require manual or mechanical assistance in rotation, thus improving welding efficiency. In addition, when the telescopic box 26 moves to this position, the magnetic block 23 on it is attracted and fixed to the magnetic plate 13 on the inner wall of the base 5, ensuring structural stability during the rotation process.

[0027] After the workpiece is flipped, the moving frame 1 moves in the opposite direction. At this time, because the magnetic attraction between the magnetic block 23 and the magnetic plate 13 is greater than the magnetic attraction of the magnetic block 22 on the push rod 19, the moving frame 1 drives the push rod 19 to move, causing the push rod 19 to separate from the magnetic block 22. The push rod 19 then moves mostly outside the telescopic box 26.

[0028] Simultaneously, the moving block 18 gradually resets under the elastic force of the spring 21, causing the inclined plate rack 20 to retract into the telescopic box 26. Thus, during the reverse movement of the moving frame 1, the inclined plate rack 20 disengages from the gear 12, and therefore the telescopic box 26 does not interfere with the movement of the moving frame 1.

[0029] If the inclined plate rack 20 needs to be returned to its working position, move the movable frame 1 to the other end of the base 5. At this time, the push rod 19 is pushed inward by the inner wall of the base 5, pushing the inclined plate rack 20 out, and finally the push rod 19 is reconnected and fixed with the magnetic block 22.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bridge steel structure welding device, comprising a welding device body, characterized in that: The welding device body includes a movable frame (1), a base (5) and a rotating mechanism (7). A support plate (2) is welded to the upper end of the movable frame (1). An electric lifting rod (3) is installed on the support plate (2). A welding head (4) is installed on the electric lifting rod (3). A rotating mechanism (7) is provided inside the base (5). The movable frame (1) is connected to a telescopic mechanism (11).

2. The bridge steel structure welding device according to claim 1, characterized in that: The rotating mechanism (7) includes a gear (12) and a rotating rod (10). The gear (12) is connected to the inner wall of the base (5) through a rotating shaft. A transmission belt (14) is sleeved on the rotating shaft.

3. The bridge steel structure welding device according to claim 2, characterized in that: The other end of the transmission belt (14) is sleeved on the rotating rod, and a bevel gear (15) is welded on the rotating rod. The bevel gear (15) is connected to the bevel gear (16).

4. The bridge steel structure welding device according to claim 3, characterized in that: The second bevel gear (16) is connected to the inner wall of the base (5) through a short shaft. A second transmission belt (17) is sleeved on the short shaft, and the other end of the second transmission belt (17) is sleeved on the rotating rod (10).

5. A bridge steel structure welding device according to claim 4, characterized in that: The rotating rod (10) is welded to the rotating plate, and a clamping plate (24) is installed on the rotating plate. The clamping plate (24) is threadedly connected to a bolt (25), and the bolt (25) is installed on one side of the rotating plate.

6. The bridge steel structure welding device according to claim 1, characterized in that: The telescopic mechanism (11) includes a slant rack (20) and a push rod (19). The slant rack (20) is welded to a moving block (18), and the moving block (18) is welded to a spring (21). The other end of the spring (21) is welded to the inner wall of the telescopic box (26).

7. A bridge steel structure welding device according to claim 6, characterized in that: One end of the push rod (19) is in contact with the magnetic block one (22), the magnetic block one (22) is embedded in the inner wall of the telescopic box (26), one side of the push rod (19) is connected to the moving frame (1), and one end of the telescopic box (26) is embedded with the magnetic block two (23).

8. A bridge steel structure welding device according to claim 1, characterized in that: A motor (8) is installed on one side of the base (5). The motor (8) is connected to the threaded rod (9). A movable frame (1) is installed on the threaded rod (9). The movable frame (1) passes through the movable groove (6). A magnetic suction plate (13) is welded on the inner wall of the base (5).

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