CN209887008U - Large-diameter elbow welding device - Google Patents
Large-diameter elbow welding device Download PDFInfo
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- CN209887008U CN209887008U CN201920261697.6U CN201920261697U CN209887008U CN 209887008 U CN209887008 U CN 209887008U CN 201920261697 U CN201920261697 U CN 201920261697U CN 209887008 U CN209887008 U CN 209887008U
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Abstract
The utility model relates to a heavy-calibre elbow welding set, it includes base (1), be provided with frame (2) on base (1), be provided with the slide rail along vertical direction on frame (2), be provided with slip table (3) on the slide rail, slip table (3) center is provided with rotary platform, last being provided with of rotary platform connects cassette (4), connect cassette (4) including fixed plate (41), be provided with two fixed fixture blocks (43) and one activity fixture block (44) on fixed plate (41), activity fixture block (44) are including fixed block (441), spout (442) have been seted up on fixed block (441), be provided with slip fixture block (443) in spout (442). The utility model discloses simple structure, area is little, and convenient operation can carry out automatic weld to the heavy-calibre elbow of different pipe diameters, has improved welding efficiency greatly, has effectively guaranteed welding quality.
Description
Technical Field
The utility model relates to a heavy-calibre elbow welding set belongs to pipe fitting production technical field.
Background
At present, with the increasing development of the pipeline transportation industry and the rapid advance of scientific technology, the technical requirements on large-caliber elbow pipe fittings required by pipeline connection are higher and higher. In some large-scale projects (such as petrochemical industry), pipe fitting roads are widely used, large-caliber elbows are vital parts in the whole pipe fitting road, and the quality of the characteristics of the elbows, such as strength, rigidity, bending degree and the like, directly influences the quality of the whole pipe fitting road. The large-diameter elbow is a large-diameter high-pressure steel pipe connecting piece applied to high-pressure pipelines for oil transportation, gas transportation, coal slurry transportation and the like, the pipe diameter is more than 630mm, and the pipelines usually bear the high pressure of more than 100 MPa.
At present, the welding line welding of the large-caliber elbow in China usually adopts a manual welding mode, because the large-caliber elbow is large in size, heavy in weight and high in welding quality requirement, the existing manual welding technology is difficult to achieve the requirement of continuous, uniform and high-quality welding lines, the manual welding labor intensity is high, the efficiency is low, especially the welding in the pipe fitting is severe in labor environment and damages the health of workers, and therefore, the technical problem that the automatic welding technology is adopted to process the large-caliber elbow in the high-pressure pipeline is urgently needed to be solved in the field of welding technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a large-diameter elbow welding device is provided to above-mentioned prior art, its simple structure, area is little, and convenient operation can carry out automatic weld to the large-diameter elbow of different pipe diameters, has improved welding efficiency greatly, has effectively guaranteed welding quality.
The utility model provides a technical scheme that above-mentioned problem adopted does: a large-caliber elbow welding device comprises a base, wherein a rack is arranged on the base, a slide rail is arranged on the rack in the vertical direction, a sliding table is arranged on the slide rail, a rotating platform is arranged in the center of the sliding table, a connecting clamping seat is arranged on the rotating platform and comprises a fixed plate, the fixed plate is connected with the rotating platform through a circle of connecting bolt, two fixed clamping blocks and one movable clamping block are arranged on the fixed plate and are positioned on the same circumference, the two fixed clamping blocks and the one movable clamping block are arranged at an included angle of 60 degrees, the movable clamping block comprises a fixed block, a chute is formed in the fixed block, a sliding clamping block is arranged in the chute, wedge-shaped clamping openings are formed in the inner sides of the fixed clamping blocks and the sliding clamping block, a fixing nut is arranged on the outer side of the fixed, and a puller bolt is arranged on the fixed nut, and the inner end of the puller bolt is abutted against the sliding clamping block.
Preferably, a clamping groove is formed in the outer side of the sliding clamping block, and the inner end of the puller bolt is inserted into the clamping groove.
Preferably, frame one side is provided with the hanging wire mechanism, the hanging wire mechanism includes supporting beam, the last perpendicular roof beam that is provided with of supporting beam, it is provided with horizontal beam to erect the roof beam top, the last electric block that is provided with of horizontal beam, the electric block is gone up the hoist and mount and has the hanging wire frame, be provided with the hanging wire dish on the hanging wire frame.
Compared with the prior art, the utility model has the advantages of:
the utility model relates to a heavy-calibre elbow welding set, its simple structure, area is little, and convenient operation can carry out automatic weld to the heavy-calibre elbow of different pipe diameters, has improved welding efficiency greatly, has effectively guaranteed welding quality.
Drawings
Fig. 1 is a schematic structural view of the large-diameter elbow welding device of the present invention.
Fig. 2 is a schematic structural diagram of the welding platform in fig. 1.
Fig. 3 is a schematic structural diagram of the wire hanging mechanism in fig. 1.
Fig. 4 is a structural schematic diagram of the elbow semi-finished product welding connection support.
Wherein:
Sliding table 3
Connection card holder 4
Fixing plate 41
Connecting bolt 42
Fixed latch 43
Movable clamping block 44
Fixed block 441
Chute 442
Sliding latch 443
Fixing nut 444
Jacking bolt 445
Card slot 446
Wedge-shaped bayonet 45
Supporting beam 51
Electric hoist 54
Wire hanging rack 55
Wire hanging disc 56
Connecting support 6
Connecting plate 62
Annular clamping plate 64
Elbow semi-finished product 7
A weld seam 8.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and fig. 2, in this embodiment, a large-diameter elbow welding device includes a base 1, a frame 2 is disposed on the base 1, a slide rail is disposed on the frame 2 along a vertical direction, a sliding table 3 is disposed on the slide rail, the sliding table 3 can move up and down on the slide rail, a rotating platform is disposed at the center of the sliding table 3, a connecting clamping seat 4 is disposed on the rotating platform, the rotating platform can drive the connecting clamping seat 4 to rotate, the connecting clamping seat 4 includes a fixing plate 41, the fixing plate 41 is connected to the rotating platform through a circle of connecting bolt 42, two fixing clamping blocks 43 and a movable clamping block 44 are disposed on the fixing plate 41, the two fixing clamping blocks 43 and the movable clamping block 44 are located on a same circumference, the two fixing clamping blocks 43 and the movable clamping block 44 are disposed at an included angle of 60 degrees, the movable clamping block 44 includes a fixing block 441, a sliding groove 442 is formed in the fixed block 441, a sliding fixture 443 is arranged in the sliding groove 442, wedge-shaped bayonets 45 are arranged on the inner sides of the fixed fixture 43 and the sliding fixture 443, a fixed nut 444 is arranged on the outer side of the fixed block 441, a puller bolt 445 is arranged on the fixed nut 444, and the inner end of the puller bolt 445 abuts against the sliding fixture 443;
a clamping groove 446 is formed in the outer side of the sliding clamping block 443, and the inner end of the jacking bolt 445 is inserted into the clamping groove 446;
The welding process comprises the following steps:
step one, blanking a steel plate according to the design size of an elbow;
step two, pressing the blanked steel plate on a hydraulic press through a die into a semi-finished product of a semicircular elbow;
step three, connecting the two semi-circular elbow semi-finished products through spot welding to form an elbow semi-finished product;
welding a connecting support 6 on the semi-finished elbow product, wherein the connecting support 6 is welded at the highest position of one semi-circular semi-finished elbow product, as shown in FIG. 4; the connecting support 6 comprises a support plate 61, the support plate 61 and the elbow semi-finished product are fixed by welding, a plurality of connecting plates 62 are arranged between the periphery of the support plate 61 and the elbow semi-finished product, an annular support wall 63 is arranged on the support plate 61, and an annular clamping plate 64 is arranged on the outer side of the upper end of the annular support wall 63;
step five, fixedly mounting the elbow semi-finished product on a connecting clamping seat of a welding device through a connecting support; during installation, a puller bolt connected with the clamping seat is loosened, the annular clamping plate is clamped in the wedge-shaped clamping openings of the two fixed clamping blocks, and the puller bolt is adjusted to enable the sliding clamping block to tightly fix the annular clamping plate;
sixthly, adjusting the rotary platform to enable the end face of the elbow semi-finished product to be in a vertical position, placing the welding trolley at the end part of the elbow semi-finished product, and starting welding operation; and during welding, the rotating speed of the rotating platform is adjusted to be consistent with the welding speed of the welding trolley, so that the welding trolley is always positioned at the highest horizontal position until the welding operation is finished.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (3)
1. The utility model provides a heavy-calibre elbow welding set which characterized in that: the device comprises a base (1), a rack (2) is arranged on the base (1), a sliding rail is arranged on the rack (2) along the vertical direction, a sliding table (3) is arranged on the sliding rail, a rotating platform is arranged at the center of the sliding table (3), a connecting clamping seat (4) is arranged on the rotating platform, the connecting clamping seat (4) comprises a fixing plate (41), the fixing plate (41) is connected with the rotating platform through a circle of connecting bolt (42), two fixing clamping blocks (43) and one movable clamping block (44) are arranged on the fixing plate (41), the two fixing clamping blocks (43) and the movable clamping block (44) are positioned on the same circumference, the two fixing clamping blocks (43) and the movable clamping block (44) are arranged at an included angle of 60 degrees, the movable clamping block (44) comprises a fixing block (441), and a sliding groove (442) is formed in the fixing block (441), a sliding clamping block (443) is arranged in the sliding groove (442), wedge-shaped bayonets (45) are arranged on the inner sides of the fixed clamping block (43) and the sliding clamping block (443), a fixed nut (444) is arranged on the outer side of the fixed block (441), a puller bolt (445) is arranged on the fixed nut (444), and the inner end of the puller bolt (445) abuts against the sliding clamping block (443).
2. The large-caliber elbow welding device according to claim 1, wherein: a clamping groove (446) is formed in the outer side of the sliding clamping block (443), and the inner end of the jacking bolt (445) is inserted into the clamping groove (446).
3. The large-caliber elbow welding device according to claim 1, wherein: frame (2) one side is provided with hanging wire mechanism (5), hanging wire mechanism (5) are including supporting beam (51), be provided with on supporting beam (51) and erect roof beam (52), it is provided with horizontal beam (53) to erect roof beam (52) top, be provided with electric block (54) on horizontal beam (53), it has hanging wire frame (55) to hoist and mount on electric block (54), be provided with hanging wire dish (56) on hanging wire frame (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261697.6U CN209887008U (en) | 2019-02-28 | 2019-02-28 | Large-diameter elbow welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261697.6U CN209887008U (en) | 2019-02-28 | 2019-02-28 | Large-diameter elbow welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209887008U true CN209887008U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261697.6U Active CN209887008U (en) | 2019-02-28 | 2019-02-28 | Large-diameter elbow welding device |
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| CN (1) | CN209887008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759770A (en) * | 2019-02-28 | 2019-05-17 | 江阴市高新管件有限公司 | Large caliber bend welder and its welding procedure |
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2019
- 2019-02-28 CN CN201920261697.6U patent/CN209887008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759770A (en) * | 2019-02-28 | 2019-05-17 | 江阴市高新管件有限公司 | Large caliber bend welder and its welding procedure |
| CN109759770B (en) * | 2019-02-28 | 2024-05-07 | 江阴市高新管件有限公司 | Large-caliber elbow welding device and welding process thereof |
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