CN215588105U - Movable automatic submerged-arc welding device for pipeline - Google Patents
Movable automatic submerged-arc welding device for pipeline Download PDFInfo
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- CN215588105U CN215588105U CN202121963504.5U CN202121963504U CN215588105U CN 215588105 U CN215588105 U CN 215588105U CN 202121963504 U CN202121963504 U CN 202121963504U CN 215588105 U CN215588105 U CN 215588105U
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- arc welding
- submerged arc
- welding
- portal frame
- welding device
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Abstract
The utility model belongs to the technical field of pipeline welding, and particularly relates to a movable automatic submerged arc welding device for a pipeline, which comprises a welding assembly, a rotating assembly and a portal frame base; the welding assembly comprises two portal frames, a support pedal and a submerged arc welding machine; the support pedal is arranged on the portal frames and positioned between the two portal frames, and the submerged arc welding machine is arranged on the support pedal; the portal frame comprises a cross beam and two vertical beams connected with the cross beam, a plurality of adjusting holes are longitudinally formed in the vertical beams, a groove is formed in the bottom of the supporting pedal, and the groove is connected with a positioning pin in the adjusting hole in a matched mode; guide rails for the movement of the portal frame are arranged on the portal frame bases; the rotating assembly is positioned between two vertical beams of the portal frame and used for driving the pipeline to be processed to rotate, and the rotating assembly is adapted to the position of the submerged arc welding machine. The device realizes the welding of pipelines with different specifications, improves the welding quality and reduces the labor intensity and the cost.
Description
Technical Field
The utility model belongs to the technical field of pipeline welding, and particularly relates to a movable automatic submerged arc welding device for a pipeline.
Background
In the process of pipeline welding, the gas pipeline welding seam with the diameter of less than phi 1000mm is formed by double-sided welding through manual shielded metal arc welding; and the inner side of the gas pipeline with the pipe diameter of over 1000mm is welded by submerged arc welding, and the outer side is formed by double-sided welding by manual carbon dioxide arc welding. The manual welding has high labor intensity, low welding efficiency and unstable welding quality; the existing welding device can not meet the welding of gas pipelines with different specifications.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that the existing welding device cannot meet the requirements of welding of pipelines with different specifications and the welding quality is unstable, the utility model provides the movable automatic submerged arc welding device for the pipelines, which is used for realizing the welding of the pipelines with different specifications, improving the welding quality and reducing the labor intensity.
The technical scheme of the utility model is as follows:
a movable automatic submerged arc welding device for a pipeline comprises a welding assembly, a rotating assembly and a portal frame base;
the welding assembly comprises two portal frames, a support pedal and a submerged arc welding machine; the support pedal is arranged on the portal frames and positioned between the two portal frames, and the submerged arc welding machine is arranged on the support pedal;
the portal frame comprises a cross beam and two vertical beams connected with the cross beam, a plurality of adjusting holes are longitudinally formed in the vertical beams, a groove is formed in the bottom of the supporting pedal, and the groove is connected with a positioning pin in the adjusting hole in a matched mode;
guide rails for the movement of the portal frame are arranged on the portal frame bases;
the rotating assembly is positioned between two vertical beams of the portal frame and used for driving the pipeline to be processed to rotate, and the rotating assembly is adapted to the position of the submerged arc welding machine.
Furthermore, rib plates are arranged at the connecting ends of the cross beams and the vertical beams. The stability of the portal frame is enhanced by arranging the rib plates.
Furthermore, wheels moving along the guide rail are arranged at the bottom of the vertical beam, and brakes are arranged on the wheels. Move on the guide rail and then remove the welding subassembly to specific position through the wheel, utilize the brake fixed, carry out welding work.
Furthermore, a connecting beam is arranged between the two portal frames. The length of tie-beam slightly is greater than the width that supports the footboard, forms a whole through connecting two portal frames with the tie-beam, is convenient for place the support footboard, strengthens the steadiness simultaneously.
Furthermore, the rotating assemblies are at least two groups, each group of rotating assemblies comprises a base, two mounting seats are arranged above each base, a driving wheel and a driven wheel are respectively arranged on the two mounting seats, and the driving wheel is connected with a first driving motor. The pipeline to be welded is positioned between the driving wheel and the driven wheel and is respectively contacted with the driving wheel and the driven wheel, so that the rotation of the pipeline to be welded is realized.
Furthermore, a bidirectional screw rod is arranged on the base, threaded holes matched with the bidirectional screw rod in a threaded mode are formed in the two mounting seats, the rotating directions of the threaded holes in the two mounting seats are opposite, and the bidirectional screw rod penetrates through the two threaded holes to be connected with the second driving motor. Drive two-way lead screw through second driving motor and rotate, because the screw thread opposite direction of two screw holes makes two mount pads be close to each other or keep away from when consequently two-way lead screw rotates, and then adjusts the action wheel and follow the distance between the driving wheel to can be applicable to the pipeline of different pipe diameters.
Furthermore, scales are arranged on the vertical beam and the base. According to the size of pipe diameter specification, utilize scale mark can conveniently operate.
Furthermore, guard rails are arranged around the supporting pedal. The support pedal can carry people to enter and exit besides being placed outside the submerged arc welding machine, and the guard rail is arranged to improve the safety of operating personnel.
The working principle of the utility model is as follows:
according to the specification of a pipeline to be welded, a positioning pin is inserted into an adjusting hole with a proper height, a supporting pedal is placed between two portal frames by using a hoisting tool, and a groove in the supporting pedal is connected with the positioning pin in a matched manner, so that the mounting and fixing of the supporting pedal are realized; moving the welding assembly to a specific position by moving the wheels on the guide rail, and fixing by using a brake; the first driving motor drives the driving wheel and the driven wheel to rotate, so that the pipeline rotation is assisted, the submerged arc welding machine performs submerged arc welding operation, and the welded pipeline is transported by the hoisting tool after welding. When the submerged arc pipelines with different specifications are welded, the supporting pedal is lifted, the positioning pin is pulled out, the positioning pin is inserted into the proper adjusting hole again, and the supporting pedal is put down after the positioning pin is placed; meanwhile, the positions of the driven wheel and the driving wheel are adjusted by the bidirectional screw rod, so that the distance between the driving wheel and the driven wheel is suitable for assisting the rotation of the pipeline to be welded; and continuously adjusting the wheels to a proper welding position for welding operation.
The beneficial effect of the utility model is that,
(1) by arranging the adjusting holes, the positioning pins and the grooves, the welding operation of pipelines with different pipe diameters is met, and the supporting pedal is convenient to fix; the guide rail is arranged on the portal frame base, so that the wheels move along the guide rail, and the welding assembly is moved to a specific position for welding; the two-way screw rod is driven to rotate by the second driving motor, and the two mounting seats are close to or far away from each other when the two-way screw rod rotates due to the fact that the thread directions of the two threaded holes are opposite, so that the distance between the driving wheel and the driven wheel is adjusted, and the two-way screw rod can be suitable for pipelines with different pipe diameters; scales are arranged on the vertical beam and the base, and the operation can be facilitated by using scale marks according to the size of the pipe diameter specification;
(2) the device realizes the transfer of manual welding into continuous semi-automatic welding, improves the production efficiency, improves the forming quality of welding seams, has stable welding quality and reduces the cost.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a movable pipe submerged arc automatic welding device provided in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a support step provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a rotating assembly provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a rotating assembly provided in embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of a support step provided in embodiment 3 of the present invention;
in the figure, 1, a cross beam; 2. erecting a beam; 3. an adjustment hole; 4. a support pedal; 5. a connecting beam; 6. a wheel; 7. a gantry base; 8. a guide rail; 9. positioning pins; 10. a submerged arc welding machine; 11. a first drive motor; 12. a driving wheel; 13. a mounting seat; 14. a base; 15. a driven wheel; 16. a rib plate; 17. a groove; 18. protecting the fence; 19. a bidirectional screw rod; 20. a second drive motor.
Detailed Description
The utility model will be further described with reference to specific examples, but the scope of the utility model is not limited thereto.
Example 1
A movable automatic submerged arc welding device for pipelines comprises a welding assembly, a rotating assembly and a portal frame base 7;
the welding assembly comprises two portal frames, a support pedal 4 and a submerged arc welding machine 10; the portal frames and the supporting pedal 4 are made of 150H-shaped steel, the submerged arc welding machine 10 can be any type, the supporting pedal 4 is installed on the portal frames and located between the two portal frames, and the submerged arc welding machine 10 is arranged on the supporting pedal 4; the portal frame comprises a cross beam 1 and two vertical beams 2 connected with the cross beam 1, rib plates 16 are arranged at the connecting ends of the cross beam 1 and the vertical beams 2, and the stability of the portal frame is enhanced by arranging the rib plates 16; a connecting beam 5 is arranged between the two portal frames, the length of the connecting beam 5 is slightly larger than the width of the supporting pedal 4, the connecting beam 4 is connected with the two portal frames to form a whole, the supporting pedal 4 is convenient to place, and the stability is enhanced; a plurality of adjusting holes 3 are longitudinally formed in the vertical beam 2, detachable positioning pins 9 are inserted into the adjusting holes 3, a groove 17 is formed in the bottom of the supporting pedal 4, and the groove 17 is connected with the positioning pins 9 in the adjusting holes 3 in a matched mode; the bottom of the vertical beam 2 is provided with a wheel 6, the wheel 6 is provided with a brake, the welding assembly is moved to a specific position by moving the wheel 6 to move forwards, and finally, the welding assembly is fixed by the brake to perform welding work;
the portal frame base 7 comprises two guide rails 8 for the movement of the portal frame; the wheels 6 move on the guide rails 8; the rotating assembly is positioned between the two guide rails 8; the rotating assemblies are at least two groups, each group of rotating assemblies comprises a base 14, two mounting seats 13 are arranged above each base 14, a driving wheel 12 and a driven wheel 15 are respectively arranged on the two mounting seats 13, and the driving wheel (12) is connected with the first driving motor 11. The pipeline to be welded is positioned between the driving wheel 12 and the driven wheel 15 and is respectively contacted with the driving wheel 12 and the driven wheel 15, so that the rotation of the pipeline to be welded is realized.
Example 2
On the basis of the embodiment 1, the base 14 is provided with the bidirectional screw rod 19, the two mounting seats 13 are respectively provided with a threaded hole in threaded fit with the bidirectional screw rod, the threaded holes on the two mounting seats have opposite rotating directions, and the bidirectional screw rod 19 penetrates through the two threaded holes to be connected with the second driving motor 20. The two-way screw rod 19 is driven to rotate by the second driving motor 20, and the two mounting seats 13 are close to or far away from each other when the two-way screw rod 19 rotates due to the fact that the thread directions of the two threaded holes are opposite, so that the distance between the driving wheel 12 and the driven wheel 15 is adjusted, and the two-way screw rod can be suitable for pipelines with different pipe diameters.
Example 3
On the basis of the embodiment 2, guard rails 18 are further arranged around the support pedal 4. The support pedal can carry people to enter and exit besides being placed outside the submerged arc welding machine, and the guard rail is arranged to improve the safety of operating personnel.
Example 4
In addition to embodiment 3, the vertical beam 2 and the base 14 are provided with scales. According to the size of pipe diameter specification, utilize scale mark can conveniently operate.
When the device is used, the positioning pin 9 is inserted into the adjusting hole 3 with a proper height according to the specification of a pipeline to be welded, the supporting pedal 4 is placed between the two portal frames by using a hoisting tool, the groove 17 of the supporting pedal 4 is matched and connected with the positioning pin 9, and the supporting pedal 4 is fixed between the two portal frames; the welding assembly is moved to a specific position by moving the wheels 6 on the guide rail 8, and is fixed by using a brake; the first driving motor 11 drives the driving wheel 12 and the driven wheel 15 to rotate, so as to assist the rotation of the pipeline, the submerged arc welding machine 10 performs submerged arc welding operation, and the welding finished hoisting tool transports the welded pipeline. When the submerged arc pipelines with different specifications are welded, the supporting pedal 4 is lifted, the positioning pin 9 is pulled out, the positioning pin 9 is inserted into the proper adjusting hole 3 again, and the lower supporting pedal 4 is placed after the positioning pin 9 is placed; meanwhile, the bidirectional screw rod 19 adjusts the positions of the driven wheel 12 and the driving wheel 15, so that the distance between the driving wheel 12 and the driven wheel 15 is suitable for assisting the rotation of the pipeline to be welded; and continuously adjusting the wheels to a proper welding position for welding operation.
The manual two-protection welding of the girth weld is 0.8h/m, the automatic submerged arc welding is 0.4h/m, the girth weld length of the welded pipeline is 5971m every year, the unit price of the welding operation is 55 yuan/h, and the working hours are saved every year: 5971m (0.8 h/m-0.4 h/m) =2388.4h, the labor cost is saved each year: 2388.4h 55 yuan/h =13.14 ten thousand yuan.
The device realizes the transfer of manual welding into continuous semi-automatic welding, improves the production efficiency, improves the forming quality of welding seams, has stable welding quality and reduces the cost.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A movable automatic submerged arc welding device for pipelines is characterized by comprising a welding assembly, a rotating assembly and a portal frame base (7);
the welding assembly comprises two portal frames, a supporting pedal (4) and a submerged arc welding machine (10); the support pedal (4) is arranged on the portal frames and positioned between the two portal frames, and the submerged arc welding machine (10) is arranged on the support pedal (4);
the portal frame comprises a cross beam (1) and two vertical beams (2) connected with the cross beam, a plurality of adjusting holes (3) are longitudinally formed in the vertical beams (2), a groove (17) is formed in the bottom of the supporting pedal (4), and the groove (17) is connected with a positioning pin (9) in each adjusting hole (3) in a matched mode;
a guide rail (8) for the movement of the portal frame is arranged on each portal frame base (7);
the rotating assembly is located between two vertical beams (2) of the portal frame and used for driving a pipeline to be processed to rotate, and the rotating assembly is adapted to the position of the submerged arc welding machine (10).
2. The automatic submerged arc welding device for the movable pipeline according to claim 1, characterized in that rib plates (16) are arranged at the connecting ends of the cross beams (1) and the vertical beams (2).
3. The automatic submerged arc welding device for the movable pipeline according to claim 1, characterized in that wheels (6) moving along the guide rails (8) are arranged at the bottom of the vertical beams (2), and brakes are arranged on the wheels (6).
4. The automatic submerged arc welding device for mobile pipelines according to claim 1, wherein a connecting beam (5) is arranged between the two portal frames.
5. The automatic submerged arc welding device for the movable pipeline according to claim 1, wherein the rotating assemblies are at least two groups, each group of rotating assemblies comprises a base (14), two mounting seats (13) are arranged above each base (14), a driving wheel (12) and a driven wheel (15) are respectively arranged on the two mounting seats (13), and the driving wheel (12) is connected with the first driving motor (11).
6. The automatic submerged arc welding device for the movable pipeline according to claim 5, wherein a bidirectional screw rod (19) is arranged on the base (14), threaded holes which are in threaded fit with the bidirectional screw rod are formed in the two mounting seats (13), the threaded holes in the two mounting seats are opposite in rotation direction, and the bidirectional screw rod (19) penetrates through the two threaded holes to be connected with the second driving motor (20).
7. The automatic submerged arc welding device for the movable pipeline according to claim 5, characterized in that the vertical beam (2) and the base (14) are provided with scales.
8. The automatic submerged arc welding device for the movable pipeline according to claim 1, characterized in that guard rails (18) are further arranged around the supporting pedal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121963504.5U CN215588105U (en) | 2021-08-20 | 2021-08-20 | Movable automatic submerged-arc welding device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121963504.5U CN215588105U (en) | 2021-08-20 | 2021-08-20 | Movable automatic submerged-arc welding device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215588105U true CN215588105U (en) | 2022-01-21 |
Family
ID=79882087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121963504.5U Expired - Fee Related CN215588105U (en) | 2021-08-20 | 2021-08-20 | Movable automatic submerged-arc welding device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215588105U (en) |
-
2021
- 2021-08-20 CN CN202121963504.5U patent/CN215588105U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |