Weld joint leveling device for longitudinal welded pipe

Abstract

The utility model relates to the technical field of weld joint leveling, and discloses a weld joint leveling device for a longitudinal welded pipe, which comprises two movable supports and a cylindrical welded pipe, the tops of the two movable supports are fixedly connected with fixed carrier plates, the adjacent sides of the two fixed carrier plates are fixedly connected with electric winches, and the electric winches are fixedly connected with the cylindrical welded pipe. The bottom ends of the two electric winches are fixedly connected with hooks, the tops of the two fixed carrying plates are fixedly connected with I-shaped steel vertical beams, cylindrical cross beams are fixedly connected between the two adjacent I-shaped steel vertical beams, and cylindrical sleeves are slidably connected to the outer walls of the cylindrical cross beams. According to the utility model, after the cylindrical welded pipe is lifted to a proper position through the electric capstan, the position of the arc-shaped shaver is adjusted by using the handle, so that the arc-shaped shaver is attached to the surface of the welded pipe, and the cylindrical sleeve slides on the cylindrical cross beam by virtue of the ball to drive the arc-shaped shaver to move, so that the welding seam of the straight welded pipe is accurately and efficiently leveled; and the quality and attractiveness of the welded pipe are improved.

Description

Technical Field

[0001] This utility model relates to the field of weld seam smoothing technology, and in particular to a weld seam smoothing device for straight seam welded pipes. Background Technology

[0002] Straight seam welded pipe is a type of welded steel pipe with longitudinal parallel weld seams. It is widely used in the petroleum, natural gas, construction and machinery manufacturing industries. Straight seam welded pipe is mainly used for transporting fluids or as structural support. It has the advantages of simple production process, low cost and high strength, and can fully meet the pipe needs of different industries. During the forming stage of the production process, weld slag will remain on the surface of the welded pipe at the welding point.

[0003] The weld seam smoothing device for straight seam welded pipes is a specialized device for processing the weld seams of straight seam welded pipes. Its main function is to smooth the weld seams after welding, remove excess welding material and slag from the weld seams, make the weld seam surface smooth and flat, and improve the appearance quality and performance of the welded pipe.

[0004] Newly produced straight seam welded pipes will have residual welding slag at the weld joints, resulting in a rough surface. The rough weld surface will affect the fluid transport efficiency and increase the resistance of the pipeline. When used as a structural support, the rough weld will reduce the stability and reliability of the structure. Therefore, a weld smoothing device for straight seam welded pipes is needed to solve the above problems and improve the product quality of straight seam welded pipes. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a weld seam smoothing device for straight seam welded pipes, which aims to improve the problem in the prior art where weld slag remains on the surface of the welded pipe at the welding point, which affects the fluid transport efficiency or reduces the stability and reliability of the structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a weld seam smoothing device for straight seam welded pipes, comprising two movable supports and a cylindrical welded pipe. A fixed carrier plate is fixedly connected to the top of each of the two movable supports. An electric winch is fixedly connected to an adjacent side of each of the two fixed carrier plates. A hook is fixedly connected to the bottom of each of the two electric winches. An I-beam vertical beam is fixedly connected to the top of each of the two fixed carrier plates. A cylindrical crossbeam is fixedly connected between adjacent I-beam vertical beams. A cylindrical sleeve is slidably connected to the outer wall of the cylindrical crossbeam. Multiple ball bearings are equidistantly rotatably connected inside the cylindrical sleeve. The outer walls of the multiple ball bearings are all in contact with the outer wall of the cylindrical crossbeam. A movable rod is fixedly connected to the bottom of the cylindrical sleeve. An arc-shaped razor is fixedly connected to the bottom of the movable rod. The bottom of the arc-shaped razor is in contact with the top of the cylindrical welded pipe. Multiple handles are fixedly connected to the outside of the movable rod. A fixing mechanism is provided at the left and right ends inside the cylindrical welded pipe.

[0007] As a further description of the above technical solution:

[0008] The fixing mechanism includes two fixing plugs, which are respectively located at the left and right ends inside the cylindrical welded pipe. Each fixing plug has a hydraulic oil chamber inside. Multiple mounting holes are formed around the outside of each fixing plug. Extrusion columns are slidably connected to the inner walls of the multiple mounting holes. Rubber heads are fixedly connected to the opposite ends of the multiple extrusion columns. L-shaped rotating rods are rotatably connected to the opposite ends of the two fixing plugs. Lifting rings are fixedly connected to the top ends of the two L-shaped rotating rods. The two lifting rings are respectively engaged with two hooks.

[0009] As a further description of the above technical solution:

[0010] Two support rods are fixedly connected to the bottom front side of the movable bracket on the left end, and a mounting plate is fixedly connected to the top of each of the two support rods.

[0011] As a further description of the above technical solution:

[0012] A control console is fixedly connected to the top of the mounting plate, and multiple control buttons are fixedly installed on the top of the control console.

[0013] As a further description of the above technical solution:

[0014] A tension gauge is fixedly connected to the front side of the mounting plate, and the tension gauge is electrically connected to two electric winches.

[0015] As a further description of the above technical solution:

[0016] A level frame is fixedly connected to the top front end of each of the two fixed carrier plates, and multiple levels are fixedly connected inside each of the two level frames.

[0017] As a further description of the above technical solution:

[0018] The bottom of each of the two fixed carrier plates is fixedly connected to a counterweight ball on the side furthest from each other, and both counterweight balls are spherical in shape.

[0019] As a further description of the above technical solution:

[0020] Each of the two movable supports is rotatably connected to one of the four corners at the bottom, and a brake plate is fixedly installed inside each of the multiple casters at the rear end.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, after the cylindrical welded pipe is lifted to a suitable position by an electric winch, the position of the arc-shaped razor is adjusted by the handle so that the arc-shaped razor is in contact with the surface of the welded pipe. The cylindrical sleeve slides on the cylindrical beam with the help of ball bearings, which drives the arc-shaped razor to move, thereby achieving precise and efficient smoothing of the weld seam of the straight seam welded pipe, improving the quality and aesthetics of the welded pipe.

[0023] 2. In this utility model, by changing the pressure in the hydraulic oil tank to push the extrusion column, the rubber head is fixed against the inner wall of the cylindrical welded pipe. Then, the lifting ring and hook are engaged, and the height is adjusted by the electric winch, which realizes the stable and firm fixation of the cylindrical welded pipe, which facilitates the accurate operation of the weld seam leveling device. At the same time, the height can be flexibly adjusted, which improves the accuracy and efficiency of the weld seam leveling operation. Attached Figure Description

[0024] Figure 1 This is a perspective view of the weld seam smoothing device for straight seam welded pipes proposed in this utility model.

[0025] Figure 2 This is a schematic diagram of the electric winch in the weld seam smoothing device for straight seam welded pipes proposed in this utility model.

[0026] Figure 3 This is a schematic diagram of the ball bearing structure in the weld seam smoothing device for straight seam welded pipes proposed in this utility model.

[0027] Figure 4 This is a schematic diagram of the hook structure in the weld seam smoothing device for straight seam welded pipes proposed in this utility model;

[0028] Figure 5 This is a cross-sectional view of the fixing plug in the weld seam smoothing device for straight seam welded pipes proposed in this utility model.

[0029] Legend:

[0030] 1. Movable support; 2. Fixing mechanism; 201. Fixing plug; 202. Hydraulic oil tank; 203. Mounting hole; 204. Extrusion column; 205. Rubber head; 206. L-shaped rotating rod; 207. Lifting ring; 3. Fixed carrier plate; 4. Electric winch; 5. Hook; 6. I-beam vertical beam; 7. Cylindrical crossbeam; 8. Cylindrical sleeve; 9. Ball bearing; 10. Moving rod; 11. Arc razor; 12. Handle; 13. Support rod; 14. Mounting plate; 15. Control console; 16. Control button; 17. Tension gauge; 18. Level frame; 19. Level; 20. Counterweight ball; 21. Caster wheel; 22. Brake plate; 23. Cylindrical welded pipe. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of a weld seam smoothing device for straight seam welded pipes, comprising two movable supports 1 and a cylindrical welded pipe 23. The two movable supports 1 support the entire device to ensure its stability. Two fixed carrier plates 3 provide installation foundations for components such as electric winches 4 and I-beam vertical beams 6, ensuring that the components are securely installed. The two electric winches 4 can adjust the height of the cylindrical welded pipe 23 and related components by controlling the raising and lowering of hooks 5 through the raising and lowering of steel cables. The bottom ends of the two electric winches 4 are fixedly connected to hooks 5 for connecting to the fixing mechanism 2, facilitating... The position of the cylindrical welded pipe 23 is raised and adjusted. I-beam vertical beams 6 are fixedly connected to the top of both fixed carrier plates 3, providing stable support for the cylindrical crossbeam 7. Cylindrical crossbeams 7 are fixedly connected between adjacent I-beam vertical beams 6, serving as sliding tracks for the cylindrical sleeve 8. The cylindrical sleeve 8 is slidably connected to the outer wall of the cylindrical crossbeam 7, allowing the cylindrical sleeve 8 to move on the cylindrical crossbeam 7. The position of the arc-shaped razor 11 is adjusted. Multiple ball bearings 9 are equidistantly rotatably connected inside the cylindrical sleeve 8, reducing friction between the cylindrical sleeve 8 and the cylindrical crossbeam 7, making the sliding smoother. A movable rod 10 is fixedly connected to the bottom of the sleeve 8, used to connect and move the arc-shaped razor 11. The arc-shaped razor 11 is fixedly connected to the bottom of the movable rod 10 to smooth the weld seam of the cylindrical welded pipe 23. Multiple handles 12 are fixedly connected to the outside of the movable rod 10, allowing operators to manually adjust the position of the movable rod 10 and the arc-shaped razor 11. Fixing mechanisms 2 are provided at the left and right ends inside the cylindrical welded pipe 23 to fix the cylindrical welded pipe 23 and prevent it from moving during the weld seam smoothing process. Two support rods 13 are fixedly connected to the bottom of the front side of the left-end movable bracket 1. Mounting plate 14 is fixedly connected to the top of both support rods 13, providing an installation platform for control console 15. Control console 15 is fixedly connected to the top of mounting plate 14 to centrally control the operation of components such as electric winch 4. Multiple control buttons 16 are fixedly installed on the top of control console 15 to facilitate operation and control of the device by operators. A tension gauge 17 is fixedly connected to the front of mounting plate 14 to display the tension of electric winch 4 in real time to ensure operational safety. The tension gauge 17 is electrically connected to the two electric winches 4 to monitor the tension of electric winches 4.

[0033] Reference Figure 2 , Figure 4 and Figure 5 Two fixing plugs 201 are respectively installed at the left and right ends of the cylindrical welded pipe 23 to fix the cylindrical welded pipe 23 and ensure its stability during the weld smoothing process. Each fixing plug 201 has a hydraulic oil chamber 202 inside, which can push the extrusion column 204 through hydraulic action to fix the cylindrical welded pipe 23. Multiple mounting holes 203 are provided around the outer perimeter of each fixing plug 201 to provide mounting positions for the extrusion column 204. The extrusion column 204 is slidably connected to the inner wall of each mounting hole 203 and moves under the action of the hydraulic oil chamber 202 to fix the cylindrical welded pipe 23. Pressure is applied to the inner wall of the tube 23. Rubber heads 205 are fixedly connected to the far ends of multiple extrusion columns 204 to increase the friction with the inner wall of the cylindrical welded tube 23 and improve the fixing effect. L-shaped rotating rods 206 are rotatably connected to the far ends of the two fixing plugs 201 to facilitate the connection of lifting rings 207. Lifting rings 207 are fixedly connected to the top of the two L-shaped rotating rods 206 to engage with hooks 5 to achieve the lifting and fixing of the cylindrical welded tube 23. The two lifting rings 207 engage with the two hooks 5 respectively to facilitate the operation and control of the cylindrical welded tube 23 by the electric winch 4.

[0034] Reference Figure 1 and Figure 2 The top front end of each of the two fixed carrier plates 3 is fixedly connected to a horizontal frame 18 for mounting a level 19 to ensure the device is level and to guarantee the accuracy of the weld flatness. Multiple levels 19 are fixedly connected inside each of the two horizontal frames 18 to monitor the levelness of the device in real time and facilitate adjustment of the device to a level position. Counterweight balls 20 are fixedly connected to the bottom of the two fixed carrier plates 3 on opposite sides to increase the stability of the device and prevent it from tilting during operation. Both counterweight balls 20 are spherical in shape, which facilitates installation and position adjustment, making the center of gravity of the device more stable. Universal wheels 21 are rotatably connected to the four corners of the bottom of the two movable supports 1 to facilitate the movement and handling of the device and improve its flexibility. Brake plates 22 are fixedly installed inside the multiple universal wheels 21 at the rear end to fix the device during operation, prevent the device from moving, and ensure the stability of the operation.

[0035] Working principle: Two movable supports 1 support the entire device. The fixed carrier plate 3, which is fixedly connected to the top of the supports, provides the installation foundation for subsequent components. The electric winch 4 on the fixed carrier plate 3 can control the lifting and lowering of the hook 5 below through its own rotation. The I-beam vertical beam 6 is fixed to the top of the fixed carrier plate 3. The cylindrical crossbeam 7 between the two I-beam vertical beams 6 provides a sliding track for the cylindrical sleeve 8. Multiple ball bearings 9 are equidistantly rotatably connected inside the cylindrical sleeve 8, allowing the cylindrical sleeve 8 to slide smoothly on the outer wall of the cylindrical crossbeam 7, reducing frictional resistance. The movable rod 10 at the bottom of the cylindrical sleeve 8 is connected to the arc-shaped razor 11. When it is necessary to flatten the weld seam of the cylindrical welded pipe 23, the cylindrical sleeve 8 is adjusted on the cylindrical crossbeam 7. The position allows the arc-shaped razor 11 to move above the weld and its bottom to fit against the top of the cylindrical welded pipe 23. Multiple handles 12 on the outside of the moving rod 10 facilitate manual adjustment of the position of the moving rod 10 and the arc-shaped razor 11 by the operator. In actual operation, the cylindrical welded pipe 23 is placed in a suitable position, and then the height of the hook 5 is adjusted by operating the electric winch 4 to ensure that the whole device is at a suitable working height. The position of the moving rod 10 and the arc-shaped razor 11 is adjusted by using the handles 12 to accurately align them with the weld. As the cylindrical sleeve 8 slides on the cylindrical beam 7, it can drive the arc-shaped razor 11 to move on the surface of the cylindrical welded pipe 23 to smooth the weld. The function of the ball bearing 9 is to ensure smooth sliding of the cylindrical sleeve 8.

[0036] Furthermore, two fixing plugs 201 are respectively set at the left and right ends inside the cylindrical welded pipe 23. The hydraulic oil tank 202 inside the fixing plug 201 plays a key role. When it is necessary to fix the cylindrical welded pipe 23, the pressure inside the hydraulic oil tank 202 changes, pushing the extrusion column 204 in the multiple mounting holes 203 opened around the outside of the fixing plug 201 to slide outward. The rubber head 205 at the far end of the extrusion column 204 is in close contact with the inner wall of the cylindrical welded pipe 23, generating friction, thereby fixing the cylindrical welded pipe 23. The lifting ring 207 at the top of the L-shaped rotating rod 206 rotatably connected to the far end of the fixing plug 201 is engaged with the hook 5 at the bottom of the electric winch 4 on the top fixed carrier plate 3 of the two movable supports 1. By raising and lowering the electric winch 4, the height position of the fixing mechanism 2 and the cylindrical welded pipe 23 can be adjusted.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A weld seam smoothing device for straight seam welded pipes, comprising two movable supports (1) and a cylindrical welded pipe (23), characterized in that: A fixed carrier plate (3) is fixedly connected to the top of each of the two movable supports (1). An electric winch (4) is fixedly connected to the adjacent side of each of the two fixed carrier plates (3). A hook (5) is fixedly connected to the bottom of each of the two electric winches (4). An I-beam vertical beam (6) is fixedly connected to the top of each of the two fixed carrier plates (3). A cylindrical crossbeam (7) is fixedly connected between adjacent I-beam vertical beams (6). A cylindrical sleeve (8) is slidably connected to the outer wall of the cylindrical crossbeam (7). The inner equidistant rotating connection of the cylindrical sleeve (8) has multiple ball bearings (9), the outer walls of the multiple ball bearings (9) are all attached to the outer wall of the cylindrical beam (7), the bottom of the cylindrical sleeve (8) is fixedly connected to a moving rod (10), the bottom of the moving rod (10) is fixedly connected to an arc-shaped razor (11), the bottom of the arc-shaped razor (11) is attached to the top of the cylindrical welded pipe (23), the outside of the moving rod (10) is fixedly connected to multiple handles (12), and the inner left and right ends of the cylindrical welded pipe (23) are provided with fixing mechanisms (2).

2. The weld seam smoothing device for straight seam welded pipes according to claim 1, characterized in that: The fixing mechanism (2) includes two fixing plugs (201), which are respectively located at the left and right ends inside the cylindrical welded pipe (23). The two fixing plugs (201) are provided with hydraulic oil chambers (202) inside each of the two fixing plugs (201). Multiple mounting holes (203) are provided around the outside of the two fixing plugs (201). Extrusion columns (204) are slidably connected to the inner walls of the multiple mounting holes (203). Rubber heads (205) are fixedly connected to the opposite ends of the multiple extrusion columns (204). L-shaped rotating rods (206) are rotatably connected to the opposite ends of the two fixing plugs (201). Lifting rings (207) are fixedly connected to the top ends of the two L-shaped rotating rods (206). The two lifting rings (207) are respectively engaged with the two hooks (5).

3. The weld smoothing device for straight seam welded pipes according to claim 1, characterized in that: Two support rods (13) are fixedly connected to the bottom front side of the movable bracket (1) on the left end, and mounting plates (14) are fixedly connected to the top of the two support rods (13).

4. The weld seam smoothing device for straight seam welded pipes according to claim 3, characterized in that: A control panel (15) is fixedly connected to the top of the mounting plate (14), and a plurality of control buttons (16) are fixedly installed on the top of the control panel (15).

5. The weld smoothing device for straight seam welded pipes according to claim 3, characterized in that: A tension gauge (17) is fixedly connected to the front side of the mounting plate (14), and the tension gauge (17) is electrically connected to two electric winches (4).

6. The weld seam smoothing device for straight seam welded pipes according to claim 1, characterized in that: A horizontal frame (18) is fixedly connected to the top front end of each of the two fixed carrier plates (3), and multiple levels (19) are fixedly connected inside each of the two horizontal frames (18).

7. The weld seam smoothing device for straight seam welded pipes according to claim 1, characterized in that: The bottom of each of the two fixed carrier plates (3) is fixedly connected to a counterweight ball (20) on the side away from each other, and both counterweight balls (20) are spherical structures.

8. The weld smoothing device for straight seam welded pipes according to claim 1, characterized in that: The bottom four corners of the two movable supports (1) are rotatably connected with casters (21), and brake plates (22) are fixedly installed inside the multiple casters (21) at the rear end.

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