Welding bracket for ocean engineering steel pipe vertical joint submerged arc welding machine

Abstract

The utility model relates to the technical field of ocean engineering steel pipe submerged-arc welding, and provides a welding bracket for an ocean engineering steel pipe vertical-connection submerged-arc welding machine, which comprises a base frame used for the outer side of a steel pipe and arranged along the circumferential direction of the outer wall of the steel pipe in a sliding manner; the lifting seat slides up and down relative to the base frame; the swinging part is arranged in a swinging manner relative to the lifting seat; the gun rack is arranged on the swing part and used for mounting a welding gun for welding; by means of the technical scheme, the problems that in the related technology, the diameters of steel pipes are various, and welding equipment is poor in universality are solved.

Description

Technical Field

[0001] This utility model relates to the field of submerged arc welding technology for marine engineering steel pipes, specifically to a welding bracket for a vertical submerged arc welding machine for marine engineering steel pipes. Background Technology

[0002] Marine engineering steel pipes are steel pipes used in marine engineering, characterized by large diameter, high strength, and corrosion resistance.

[0003] When transporting steel pipes for marine engineering, they are transported in a decentralized manner. In actual use, multiple sections of steel pipes are welded together. Submerged arc welding is generally used because it has advantages such as stable welding quality, high welding efficiency, no arc light and less smoke.

[0004] Vertical welding involves placing the steel pipe vertically, using a flux holder to support the welding flux piled in the area to be welded, and then welding with a welding torch. Viewed circumferentially along the outer wall of the steel pipe, the pipe and welding torch slide relative to each other. During this sliding process, the welding torch and flux holder need to remain relatively fixed to improve the stability and consistency of the welding operation. However, steel pipes vary in diameter, and their dimensions cannot be universally standardized. Therefore, existing technologies need to be improved and optimized to enhance the versatility of welding equipment. Utility Model Content

[0005] This utility model proposes a welding bracket for a submerged arc welding machine for vertical jointing of steel pipes in marine engineering, which solves the problem of various steel pipe diameters and poor versatility of welding equipment in related technologies.

[0006] The technical solution of this utility model is as follows:

[0007] Welding bracket for submerged arc welding machine for vertical joint of steel pipe in marine engineering, including:

[0008] A base frame is used to slide along the circumference of the outer wall of the steel pipe on the outside of the steel pipe.

[0009] The lifting seat is slidably disposed vertically relative to the base frame;

[0010] The swinging component is oscillating relative to the lifting seat;

[0011] A gun holder is mounted on the swing member, and the gun holder is used to mount a welding gun for welding.

[0012] As a further technical solution, it also includes:

[0013] A horizontal axis is rotatably mounted on the base frame;

[0014] The screw is rotatably mounted on the base frame, and the lifting seat is threadedly connected to the screw.

[0015] A first bevel gear pair is disposed between the screw and the first horizontal shaft, and the screw and the first horizontal shaft are connected by means of the first bevel gear pair.

[0016] As a further technical solution, it also includes:

[0017] Turntable 1 is coaxially mounted on horizontal axis 1, and a lifting indicator is provided on the side of turntable 1 away from horizontal axis 1;

[0018] The crank is eccentrically positioned on turntable one.

[0019] As a further technical solution, the swing member is provided with transmission teeth, and also includes:

[0020] The second horizontal axis is rotatably mounted on the lifting seat;

[0021] A transmission gear one is coaxially mounted on the horizontal shaft two, and the teeth of the transmission gear one mesh with the transmission gear two.

[0022] As a further technical solution, it also includes:

[0023] Turntable 2 is coaxially mounted on the horizontal axis 2, and a swing mark is provided on the side of turntable 2 away from the horizontal axis 2.

[0024] As a further technical solution, the swing member has swing angle markings near the transmission teeth.

[0025] As a further technical solution, it also includes:

[0026] The guide rail is ring-shaped and is used to be fitted onto the outer wall of the steel pipe;

[0027] The pulley is rotatably mounted on the base frame and rolls in contact with the guide rail.

[0028] A magnetic block is slidably mounted on the base frame. After sliding, the magnetic block moves closer to or away from the outer wall of the steel pipe. The magnetic block is used to fix the base frame to the outer wall of the steel pipe.

[0029] As a further technical solution, it also includes:

[0030] The magnetic discharge rod is rotatably mounted on the base frame;

[0031] The swing arm, mounted on the demagnetizing rod, has a slot.

[0032] A transmission rod is mounted on the magnetic block, and the transmission rod is slidably and rotatably connected to the slot.

[0033] As a further technical solution, the guide rail is composed of several sequentially spliced ​​together.

[0034] As a further technical solution, it also includes:

[0035] A travel drive, mounted on the base frame, has an output gear;

[0036] The second transmission gear is rotatably mounted on the base frame and meshes with the output gear.

[0037] The travel pivot is rotatably mounted on the base frame;

[0038] The traveling wheels are rotatably mounted on the traveling shaft and either come into contact with or separate from the outer wall of the steel pipe.

[0039] The third transmission gear is mounted on the traveling shaft and meshes with the second transmission gear.

[0040] The working principle and beneficial effects of this utility model are as follows:

[0041] In this invention, the welding bracket includes a base frame, a lifting seat, a swinging component, and a welding gun holder. The welding gun holder is used to mount the welding gun, and a flux-supporting platform is provided below the welding gun to support the welding flux. The flux-supporting platform is mounted on the base frame. During operation, when the diameter of the steel pipe changes, an external force can be applied to drive the lifting seat to slide up and down, thereby adjusting the position of the welding gun holder and expanding the working area of ​​the welding gun holder and the welding gun. At the same time, an external force can also be applied to drive the swinging component to swing, thereby adjusting the orientation angle of the welding gun so that the welding gun meets the needs of various welding angles. Therefore, by the up and down movement of the lifting seat and the up and down swinging of the swinging component, the orientation and spatial height position of the welding gun can be adjusted in real time, making the operation flexible and convenient, improving the applicability of the welding bracket, and enhancing its overall versatility. Attached Figure Description

[0042] The preferred embodiments will be described below in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.

[0043] Figure 1 This is a schematic diagram of the overall structure of this utility model from the first angle;

[0044] Figure 2 This is a schematic diagram of the overall structure of this utility model from a second angle;

[0045] Figure 3 This is a schematic diagram of the overall structure of the present invention (display magnetic block, walking driver) from a third angle.

[0046] Figure 4 This is a schematic diagram of the overall structure of the present invention (display magnetic block, walking driver) from the fourth angle.

[0047] Figure 5for Figure 4 A magnified view of a section at point X;

[0048] Figure 6 This is a schematic diagram of the overall (display medicine tray) structure of this utility model from the fifth angle;

[0049] Figure 7 This is a schematic diagram of the overall structure of this utility model (showing the steel pipe, the chemical support platform, and the welding torch during operation);

[0050] In the diagram: 1. Base frame, 2. Lifting seat, 3. Swinging component, 4. Gun mount, 5. Horizontal shaft one, 6. Screw, 7. First bevel gear pair, 8. Turntable one, 9. Lifting indicator, 10. Crank handle, 11. Transmission gear, 12. Horizontal shaft two, 13. Transmission gear one, 14. Turntable two, 15. Swinging indicator, 16. Swinging angle marking, 17. Guide rail, 18. Hanging wheel, 19. Magnetic block, 20. Magnetic release rod, 21. Swing arm, 22. Transmission rod, 23. Travel drive, 24. Transmission gear two, 25. Traveling shaft, 26. Traveling wheel, 27. Transmission gear three, 28. Drug holder, 29. Welding gun, 30. Slot. Detailed Implementation

[0051] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.

[0052] To keep the drawings concise, only the parts relevant to the utility model are shown schematically in each drawing; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "a" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0053] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0054] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0055] Example 1, refer to Figures 1-7 This is the first embodiment of the present invention, which proposes a welding bracket for a submerged arc welding machine for vertical jointing of steel pipes in marine engineering.

[0056] In this embodiment, the welding bracket includes a base frame 1, a lifting seat 2, a swinging component 3, and a welding torch 4. The welding torch 4 is used to mount the welding torch 29. A flux support platform 28 is provided below the welding torch 29 to support the welding flux. The flux support platform 28 is set on the base frame 1. During operation, when the diameter of the steel pipe changes, an external force can be applied to drive the lifting seat 2 to slide up and down, thereby adjusting the position of the welding torch 4 and expanding the working area of ​​the welding torch 29. At the same time, an external force can also be applied to drive the swinging component 3 to swing, thereby adjusting the orientation angle of the welding torch 29 so that the welding torch 29 can meet the needs of various welding angles. Therefore, by the up and down movement of the lifting seat 2 and the up and down swinging of the swinging component 3, the orientation and spatial height position of the welding torch 29 can be adjusted in real time. The operation is flexible and convenient, which improves the applicability of the welding bracket and enhances its overall versatility.

[0057] Example 2, refer to Figures 1-2 and Figures 6-7 This is the second embodiment of the present invention. Based on the first embodiment, this embodiment further refines the welding bracket structure by adding a horizontal shaft 5, a screw 6, a first bevel gear pair 7, a turntable 8, and a crank handle 10. During operation, when the height of the welding torch 29 needs to be adjusted, an external force is applied to the crank handle 10. This external force drives the crank handle 10 to rotate around the horizontal shaft 5. The crank handle 10 then sequentially drives the turntable and the horizontal shaft 5 to rotate. The horizontal shaft 5, through the first bevel gear pair 7, drives the screw 6 to rotate. The screw 6 drives the threaded lifting seat 2 to slide up and down, thereby adjusting the height of the welding torch 29. The lifting markings 9 engraved on the turntable 8 allow the vertical displacement trend of the welding torch 29 to be clearly identified before driving the crank handle 10, avoiding incorrect adjustment of the welding torch 29 and problems such as incorrect welding or collisions. The eccentrically positioned crank handle 10 reduces the amount of external force applied, facilitating operation.

[0058] Example 3, refer to Figures 1-7This is the third embodiment of the present invention. Based on the first embodiment, this embodiment further refines the welding bracket structure by adding a second horizontal shaft 12, a first transmission gear 13, and a second turntable 14. During operation, an external force is applied to drive the second turntable 14 to rotate. The rotating turntable 14 drives the second horizontal shaft 12 and the first transmission gear 13 to rotate synchronously. The first transmission gear 13 drives the swinging component 3 to swing through meshing teeth, thereby adjusting the orientation of the gun holder 4 and the welding torch 29 to meet the welding requirements. The swing angle markings 16 on the swinging component 3 clearly indicate the swing angle of the welding torch 29, thereby precisely controlling the swing of the welding torch 29 and avoiding the risk of inaccurate swing angle adjustment.

[0059] Example 4, refer to Figures 3-7 This is the fourth embodiment of the present invention. Based on the first embodiment, this embodiment further optimizes the welding bracket structure by adding a guide rail 17, a hanging wheel 18, a magnetic block 19, a demagnetizing rod 20, a swing rod 21, and a transmission rod 22. In use, the guide rail 17 is first fitted onto the outer wall of the steel pipe, and then the hanging wheel 18 is hung on the guide rail 17. At this time, the hanging wheel 18 and the guide rail 17 are in rolling contact. The contact point between the hanging wheel 18 and the guide rail 17 is defined as the upper hanging point. The base frame 1 swings with the upper hanging point as the origin. When the base frame 1 is close to the outer wall of the steel pipe, the distance between the magnetic block 19 and the outer wall of the steel pipe becomes smaller. When the distance between the magnetic block 19 and the outer wall of the steel pipe becomes small enough, the magnetic attraction between the magnetic block 19 and the steel pipe increases rapidly. Finally, the base frame 1 is fixed to the outer wall of the steel pipe with the help of the magnetic block 19. Finally, with the help of the hanging points and the magnetic attraction generated by the magnetic block 19, the base frame 1 is fixed to the outer wall of the steel pipe, realizing vertical welding, which facilitates welding operations and improves the stability of the welding operation. When the welding operation is completed and the base frame 1 needs to be removed, the magnetic release rod 20 is pulled away from the outer wall of the steel pipe. The magnetic release rod 20 drives the swing rod 21 to rotate synchronously. The swing rod 21 drives the transmission rod 22 and the magnetic block 19 to slide away from the outer wall of the steel pipe through the slot 30, increasing the distance between the magnetic block 19 and the outer wall of the steel pipe, so that the magnetic attraction between the magnetic block 19 and the outer wall of the steel pipe decreases rapidly, making it easier to remove the welding equipment. The guide rail 17 includes several guide rails spliced ​​in sequence. The number of guide rails can be adjusted according to the diameter of the steel pipe, which increases the applicability of the guide rail 17 and thus improves the versatility of the welding bracket.

[0060] Example 5, refer to Figures 3-7This is the fifth embodiment of the present invention. Based on the fourth embodiment, this embodiment further adds a walking driver 23, a second transmission gear 24, a walking shaft 25, a walking wheel 26, and a third transmission gear 27 to facilitate the sliding of the base frame 1 along the guide rail 17. In this embodiment, the number of walking shafts 25 is preferably two, the number of walking wheels 26 is preferably four, and the walking driver 23 is preferably an electrically driven motor in the prior art. During operation, the base frame 1 obtains a tendency to move closer to the outer wall of the steel pipe by the magnetic attraction force provided by the magnetic block 19. At this time, the walking wheel 26 is in a state of compression contact with the outer wall of the steel pipe. The walking driver 23 is started by an external controller. The power output by the walking driver 23 drives the output gear, which in turn drives the second transmission gear 24, the third transmission gear 27, and the walking shaft 25 in sequence. The walking shaft 25 drives the walking wheel 26 to rotate on the outer wall of the steel pipe. With the help of the rotation of the walking wheel 26, the base frame 1 slides along the guide rail 17 as a whole, realizing the rapid adjustment of the welding position. Through the circuit control of the controller, the automated operation is realized, improving the work efficiency and the continuity of the welding operation.

[0061] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A welding bracket for a submerged arc welding machine for vertical joints of steel pipes in marine engineering, characterized in that, include: The base frame (1) is used to slide along the outer side of the steel pipe and along the circumferential direction of the outer wall of the steel pipe; The lifting seat (2) is slidably arranged up and down relative to the base frame (1); The swinging component (3) is swinging relative to the lifting seat (2); A gun holder (4) is mounted on the swing member (3) and is used to mount a welding gun (29) for welding.

2. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 1, characterized in that, Also includes: A horizontal axis (5) is rotatably mounted on the base frame (1); The screw (6) is rotatably mounted on the base frame (1), and the lifting seat (2) is threadedly connected to the screw (6); A first bevel gear pair (7) is disposed between the screw (6) and the first horizontal shaft (5), and the screw (6) and the first horizontal shaft (5) are connected by transmission via the first bevel gear pair (7).

3. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 2, characterized in that, Also includes: Turntable 1 (8) is coaxially set on the horizontal axis 1 (5), and a lifting mark (9) is provided on the side of the turntable 1 (8) away from the horizontal axis 1 (5). The crank (10) is eccentrically set on turntable one (8).

4. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 1, characterized in that, The swing member (3) is provided with transmission teeth (11), and also includes: The second horizontal axis (12) is rotatably mounted on the lifting seat (2); A transmission gear one (13) is coaxially mounted on the horizontal shaft two (12), and the teeth of the transmission gear one (13) mesh with the transmission teeth (11).

5. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 4, characterized in that, Also includes: Turntable 2 (14) is coaxially set on the horizontal axis 2 (12), and a swing mark (15) is opened on the side of the turntable 2 (14) away from the horizontal axis 2 (12).

6. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 4, characterized in that, The swing member (3) has a swing angle marking (16) near the transmission teeth (11).

7. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 1, characterized in that, Also includes: The guide rail (17) is ring-shaped and is used to be fitted onto the outer wall of the steel pipe; The pulley (18) is rotatably mounted on the base frame (1) and rolls in contact with the guide rail (17); A magnetic block (19) is slidably disposed on the base frame (1). After sliding, the magnetic block (19) approaches or moves away from the outer wall of the steel pipe. The magnetic block (19) is used to fix the base frame (1) on the outer wall of the steel pipe.

8. The welding bracket for a submerged arc welding machine for vertical joints of marine engineering steel pipes according to claim 7, characterized in that, Also includes: The demagnetizing rod (20) is rotatably mounted on the base frame (1); The swing arm (21) is mounted on the demagnetizing rod (20) and has a slot (30). A transmission rod (22) is mounted on the magnetic block (19), and the transmission rod (22) is slidably and rotatably connected to the slot (30).

9. The welding bracket for a submerged arc welding machine for vertical joints of marine engineering steel pipes according to claim 7, characterized in that, The guide rail (17) consists of several rails that are spliced ​​together sequentially.

10. The welding bracket for a submerged arc welding machine for vertical jointing of marine engineering steel pipes according to claim 7, characterized in that, Also includes: A travel drive (23) is mounted on the base frame (1) and the travel drive (23) has an output gear; The transmission gear 2 (24) is rotatably mounted on the base frame (1) and meshes with the output gear; The traveling pivot (25) is rotatably mounted on the base frame (1); The traveling wheel (26) is rotatably mounted on the traveling shaft (25) and abuts against or separates from the outer wall of the steel pipe; The third transmission gear (27) is mounted on the walking shaft (25) and meshes with the second transmission gear (24).

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