Square external aligning device for pressure pipeline assembly for petrochemical engineering construction

Abstract

The utility model relates to the technical field of petrochemical engineering pressure pipeline construction, and discloses a petrochemical engineering construction pressure pipeline assembly square external aligning device which comprises an upper clamping frame, the surface of one end of a lower clamping frame is fixedly connected with a first fixing plate, and the surface of one end of a first connecting rod is rotationally connected with a second rotating plate. The end, away from the first connecting rod, of the second rotating plate is rotationally connected with a second connecting plate, the surface of one end of the bottom plate is fixedly connected with a third fixing plate, and the surfaces of the two ends of the third fixing plate are rotationally connected with first rotating plates; the surface of the end, away from the third fixing plate, of the first rotating plate is slidably connected to the surface of one end of the second connecting plate. According to the welding device, through the arrangement of the threaded rod, the first rotating plate and the second connecting plate, the position of the lower clamping frame can be adjusted according to the height of an operator, the operator can weld comfortably, the lower clamping frame does not need to be worried about the inclination phenomenon due to the arrangement, and the welding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of petrochemical pressure pipeline construction, in particular to a square external pipe aligner for petrochemical construction pressure pipelines. Background Art

[0002] At present, during the construction of petrochemical pressure pipelines, an external pipe aligner is generally used for cooperative alignment to complete the alignment of the pipelines, and then the connection between the two pipelines is welded.

[0003] The existing external pipe aligner generally includes two parts: an upper clamping assembly and a lower clamping assembly that are rotatably connected. Four lifting frames are arranged below the lower clamping assembly to facilitate the adjustment of the height of the external pipe aligner, thereby facilitating the welding of the two pipelines by the operator. The lifting frame includes an inner support leg and an outer support leg, which are fixed by a pin. However, the four lifting frames not only need to be manually adjusted, but also it is difficult to keep the heights consistent. The imbalance of the lifting assembly will cause the lower clamping assembly and the pipeline to tilt, which is not conducive to the welding of the pipeline. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a square external pipe aligner for petrochemical construction pressure pipelines, aiming to improve the problem that the lower clamping frame is difficult to keep the height consistent due to the lifting assembly, resulting in the tilt of the pipeline and the lower clamping assembly.

[0005] To achieve the above object, the utility model provides the following technical solution: A square external pipe aligner for petrochemical construction pressure pipelines, including an upper clamping frame. One side outer wall of the upper clamping frame is rotatably connected to a lower clamping frame through three hinges. One end surface of the lower clamping frame is fixedly connected to a first fixing plate. A bottom plate is arranged below the first fixing plate. One end surface of the bottom plate is fixedly connected to a mounting plate. One end surface of the mounting plate is fixedly connected to a second motor. The output end of the second motor penetrates through the mounting plate and is fixedly connected to a threaded rod. One side outer wall of the threaded rod is threadedly connected to a slider. Both ends of the slider are fixedly connected to a first connecting rod. One end surface of the first connecting rod is rotatably connected to a second rotating plate. The end of the second rotating plate far from the first connecting rod is rotatably connected to a second connecting plate. One end surface of the bottom plate is fixedly connected to a third fixing plate. Both ends of the third fixing plate are rotatably connected to a first rotating plate. The end surface of the first rotating plate far from the third fixing plate is slidably connected to one end surface of the second connecting plate. One end surfaces of the two first rotating plates are connected by a second connecting rod. The second connecting rod is slidably connected to the inner outer wall of the second connecting plate. One end surface of the second connecting plate is fixedly connected to one end surface of the first fixing plate. A driving component is arranged on one end surface of the first fixing plate.

[0006] Preferably, the driving assembly includes a first roller and a second roller. Both front and rear sides of one end surface of the first fixing plate are fixedly connected with first motors. The output ends of the first motors are fixedly connected with first sprockets. The first sprockets are connected to second sprockets through chains. The middle of one end surface of the first sprocket is connected to the first roller through a rotating shaft. The middle of one end surface of the chain is connected to the second roller through another rotating shaft.

[0007] Preferably, a welding port is provided in the middle of the upper clamping frame, and a pipe to be welded is provided on the inner outer wall of the lower clamping frame.

[0008] Preferably, a plurality of first connecting plates are fixedly connected to the inner outer wall of the upper clamping frame, and pulleys are rotatably connected between two adjacent first connecting plates.

[0009] Preferably, a second fixing plate is fixedly connected to one end surface of the bottom plate, and one end surface of the threaded rod is rotatably connected to one end surface of the second fixing plate.

[0010] Preferably, the overlapping part of the first rotating plate and the second rotating plate is rotatably connected.

[0011] Preferably, two second mounting frames are fixedly connected to both front and rear sides of the left part of one end surface of the first fixing plate. The second mounting frames are rotatably connected to the first sprockets. First mounting frames are fixedly connected to both front and rear sides of the right part of one end surface of the first fixing plate. The second sprockets are rotatably connected to the first mounting frames.

[0012] Preferably, one end surface of the pulley is closely attached to one side outer wall of the pipe to be welded.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, through the settings of the threaded rod, the first rotating plate and the second connecting plate, by controlling the second motor, the threaded rod can be rotated, so that the slider moves, and the normal length of the second rotating plate in the Z-axis direction can be changed. Cooperating with the first rotating plate, the second connecting plate and the lower clamping frame can be lifted and lowered. This setting can adjust the position of the lower clamping frame according to the height of the operator, enabling the operator to weld comfortably, and this setting does not need to worry about the phenomenon of the lower clamping frame tilting, improving the welding effect.

[0015] 2. In the utility model, through the settings of the first motor, the first sprocket and the first roller, the first motor can drive the first sprocket to rotate, and then transmit it to the first roller through the rotating shaft. The second sprocket can rotate through the chain, so that the second roller rotates. Since the pipe to be welded is in contact with the first roller and the second roller, the pipe to be welded can rotate without manual rotation, reducing the labor intensity and improving the work efficiency. Description of the Drawings

[0016] Figure 1 A three-dimensional structure diagram of a square external pipe aligner for petrochemical construction proposed by the present utility model;

[0017] Figure 2 A structural schematic diagram of a threaded rod, a first rotating plate and a second rotating plate of a square external pipe aligner for petrochemical construction proposed by the present utility model;

[0018] Figure 3 A structural schematic diagram of a first motor, a first sprocket and a second sprocket of a square external pipe aligner for petrochemical construction proposed by the present utility model;

[0019] Figure 4 is Figure 1 An enlarged view of part A in

[0020] Legend description:

[0021] 1. Upper clamping frame; 2. Lower clamping frame; 3. First fixing plate; 4. Base plate; 5. Welding joint; 6. Pipe to be welded; 7. First motor; 8. Second motor; 9. Hinge; 10. First connecting plate; 11. Pulley; 12. Mounting plate; 13. Second fixing plate; 14. Third fixing plate; 15. Threaded rod; 16. First rotating plate; 17. Slide block; 18. First connecting rod; 19. Second rotating plate; 20. Second connecting rod; 21. Second connecting plate; 22. First mounting frame; 23. First sprocket; 24. Chain; 25. Second sprocket; 26. Second mounting frame; 27. First roller; 28. Second roller. Specific implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the specification drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Refer to Figure 1 and Figure 2, an embodiment provided by the present utility model: a square external pipe aligner for petrochemical construction, including an upper clamping frame 1. One side outer wall of the upper clamping frame 1 is rotatably connected to a lower clamping frame 2 through three hinges 9. One end surface of the lower clamping frame 2 is fixedly connected to a first fixing plate 3. A bottom plate 4 is arranged below the first fixing plate 3. One end surface of the bottom plate 4 is fixedly connected to a mounting plate 12. One end surface of the mounting plate 12 is fixedly connected to a second motor 8. The output end of the second motor 8 penetrates through the mounting plate 12 and is fixedly connected to a threaded rod 15. One side outer wall of the threaded rod 15 is threadedly connected to a slider 17. Both end surfaces of the slider 17 are fixedly connected to a first connecting rod 18. One end surface of the first connecting rod 18 is rotatably connected to a second rotating plate 19. One end of the second rotating plate 19 away from the first connecting rod 18 is rotatably connected to a second connecting plate 21. One end surface of the bottom plate 4 is fixedly connected to a third fixing plate 14. Both end surfaces of the third fixing plate 14 are rotatably connected to a first rotating plate 16. One end surface of the first rotating plate 16 away from the third fixing plate 14 is slidably connected to one end surface of the second connecting plate 21. One end surfaces of the two first rotating plates 16 are connected through a second connecting rod 20. The second connecting rod 20 is slidably connected to the inner and outer walls of the second connecting plate 21. One end surface of the second connecting plate 21 is fixedly connected to one end surface of the first fixing plate 3. A driving component is arranged on one end surface of the first fixing plate 3.

[0024] Specifically, the center of gravity of the second connecting plate 21 and the center of gravity of the lower clamping frame 2 are on the same axis; the second motor 8 can drive the threaded rod 15 to rotate, so that the slider 17 moves. The movement of the slider 17 will cause the second rotating plate 19 to rotate, thereby changing the normal length of the second rotating plate 19 in the Z-axis. Coupled with the sliding of the upper end part of the first rotating plate 16 and the second connecting plate 21, the second connecting plate 21 can be lifted and lowered. This setting does not need to worry about the phenomenon that the lower clamping frame 2 will tilt.

[0025] Refer to Figure 1 and Figure 3 , the driving component includes a first roller 27 and a second roller 28. Both the front and rear sides of one end surface of the first fixing plate 3 are fixedly connected to a first motor 7. The output end of the first motor 7 is fixedly connected to a first sprocket 23. The first sprocket 23 is connected to a second sprocket 25 through a chain 24. The middle part of one end surface of the first sprocket 23 is connected to the first roller 27 through a rotating shaft. The middle part of one end surface of the chain 24 is connected to the second roller 28 through another rotating shaft.

[0026] Specifically, a first roller 27 is fixedly connected to the outer wall of a rotating shaft. The top surface of this rotating shaft is fixedly connected to the middle of one end surface of the first sprocket 23. A bearing is provided inside the second mounting frame 26. The first motor 7 can drive the first sprocket 23 to rotate, so that the first roller 27 rotates through the rotating shaft. The second sprocket 25 can rotate due to the transmission of the chain 24, thereby driving the second roller 28 to rotate. The first roller 27 and the second roller 28 can be in point contact with the pipe 6 to be welded, thereby promoting the rotation of the pipe 6 to be welded. This setting eliminates the need for manual rotation of the pipe 6 to be welded.

[0027] Refer to Figure 1 , a welding port 5 is provided in the middle of the upper clamping frame 1, and the pipe 6 to be welded is provided on the inner outer wall of the lower clamping frame 2.

[0028] Specifically, the welding port 5 is conducive to welding the welding part of the pipe 6 to be welded.

[0029] Refer to Figure 1 and Figure 4 , a number of first connecting plates 10 are fixedly connected to the inner outer wall of the upper clamping frame 1, and pulleys 11 are rotatably connected between two adjacent first connecting plates 10.

[0030] Specifically, the pulley 11 can fix the pipe 6 to be welded without affecting its rotation.

[0031] Refer to Figure 2 , one end surface of the bottom plate 4 is fixedly connected to a second fixing plate 13, and one end surface of the threaded rod 15 is rotatably connected to one end surface of the second fixing plate 13.

[0032] Specifically, the second fixing plate 13 can provide an installation position for the threaded rod 15.

[0033] The overlapping part of the first rotating plate 16 and the second rotating plate 19 is rotatably connected.

[0034] Specifically, this setting ensures the stable lifting of the second connecting plate 21.

[0035] Refer to Figure 3 , two second mounting frames 26 are fixedly connected to the front and back sides of the left part of one end surface of the first fixing plate 3. The second mounting frame 26 is rotatably connected to the first sprocket 23. Two first mounting frames 22 are fixedly connected to the front and back sides of the right part of one end surface of the first fixing plate 3. The second sprocket 25 is rotatably connected to the first mounting frame 22.

[0036] Specifically, the second mounting frame 26 provides an installation position for the first sprocket 23, and similarly, the first mounting frame 22 provides an installation position for the second sprocket 25.

[0037] Refer to Figure 1 , one end surface of the pulley 11 is closely attached to the outer wall of one side of the pipe 6 to be welded.

[0038] Working principle: Start the second motor 8. The second motor 8 can rotate the threaded rod 15 to move the slider 17. The movement of the slider 17 can change the normal length of the second rotating plate 19 in the Z-axis direction. Cooperating with the first rotating plate 16, the second connecting plate 21 and the lower clamping frame 2 can be lifted and lowered. This setting can adjust the position of the welding joint 5 according to the operator's height, so that the operator can weld comfortably without worrying about the inclination of the lower clamping frame 2. By starting the first motor 7, the first sprocket 23 and the second sprocket 25 can be rotated, so that the first roller 27 and the second roller 28 can be rotated. Since they are in point contact with the pipe to be welded 6, the pipe to be welded 6 can be driven to rotate without manual rotation.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A square external butt joint device for a pressure pipe assembly for petrochemical construction, comprising an upper clamping frame (1), characterized in that: The outer wall of one side of the upper clamping frame (1) is rotatably connected to the lower clamping frame (2) via three hinges (9); one end surface of the lower clamping frame (2) is fixedly connected to the first fixing plate (3); a bottom plate (4) is arranged below the first fixing plate (3); one end surface of the bottom plate (4) is fixedly connected to the mounting plate (12); one end surface of the mounting plate (12) is fixedly connected to the second motor (8); the output end of the second motor (8) passes through the mounting plate (12) and is fixedly connected to the threaded rod (15); one side outer wall of the threaded rod (15) is threadably connected to a slider (17); both end surfaces of the slider (17) are fixedly connected to a first connecting rod (18); one end surface of the first connecting rod (18) is rotatably connected to a second rotating plate (19); the second rotating plate (1 9) One end away from the first connecting rod (18) is rotatably connected to the second connecting plate (21), one end surface of the bottom plate (4) is fixedly connected to the third fixed plate (14), both end surfaces of the third fixed plate (14) are rotatably connected to the first rotating plate (16), one end surface of the first rotating plate (16) away from the third fixed plate (14) is slidably connected to one end surface of the second connecting plate (21), one end surface of the two first rotating plates (16) are connected by a second connecting rod (20), the second connecting rod (20) is slidably connected to the inner outer wall of the second connecting plate (21), one end surface of the second connecting plate (21) is fixedly connected to one end surface of the first fixed plate (3), and one end surface of the first fixed plate (3) is provided with a driving component.

2. A square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 1, characterized in that: The driving assembly comprises a first roller (27) and a second roller (28); the front and rear sides of one end surface of the first fixing plate (3) are fixedly connected to the first motor (7); the output end of the first motor (7) is fixedly connected to the first sprocket (23); the first sprocket (23) is connected to the second sprocket (25) via a chain (24); the middle part of one end surface of the first sprocket (23) is connected to the first roller (27) via a rotating shaft; and the middle part of one end surface of the chain (24) is connected to the second roller (28) via another rotating shaft.

3. According to claim 1, a square external butt joint device for pressure pipe assembly for petrochemical construction, characterized in that: A welding opening (5) is provided in the middle of the upper clamping frame (1), and a pipe to be welded (6) is provided on the inner and outer walls of the lower clamping frame (2).

4. The square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 1 is characterized by: A plurality of first connecting plates (10) are fixedly connected to the inner outer wall of the upper clamping frame (1), and two adjacent first connecting plates (10) are rotatably connected to a pulley (11).

5. The square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 1 is characterized by: One end surface of the bottom plate (4) is fixedly connected to the second fixed plate (13), and one end surface of the threaded rod (15) is rotatably connected to one end surface of the second fixed plate (13).

6. The square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 1, characterized in that: The first rotating plate (16) and the second rotating plate (19) are rotatably connected at the overlapping portion.

7. The square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 2, characterized in that: Two second mounting frames (26) are fixedly connected to the front and rear sides of the left side of one end surface of the first fixing plate (3), and the second mounting frames (26) are rotatably connected to the first sprocket wheel (23). The front and rear sides of the right side of one end surface of the first fixing plate (3) are fixedly connected to the first mounting frame (22), and the second sprocket wheel (25) is rotatably connected to the first mounting frame (22).

8. The square outer butt joint device for pressure pipe assembly for petrochemical construction according to claim 4, characterized in that: One end surface of the pulley (11) is in close contact with one side outer wall of the pipe (6) to be welded.

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