CN112621090B - Supporting device for butt welding of paired steel pipes - Google Patents
Supporting device for butt welding of paired steel pipes Download PDFInfo
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- CN112621090B CN112621090B CN202011501548.6A CN202011501548A CN112621090B CN 112621090 B CN112621090 B CN 112621090B CN 202011501548 A CN202011501548 A CN 202011501548A CN 112621090 B CN112621090 B CN 112621090B
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- pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a supporting device for butt welding of paired steel pipes.A central limiting hole consists of an upper isosceles right-angle triangular groove and a lower rectangular groove; the left side and the right side of the central support frame are respectively provided with a right-angle bent side limit frame with an upward opening in a lifting way; a side supporting plate is formed outside the central supporting frame; a horizontal connecting plate is formed between the upper ends of the pair of side supporting plates; the left and right driving frames are respectively arranged on the left side and the right side of the central supporting frame in a left and right elastic movement manner; a rectangular groove-shaped lifting limiting groove is formed on the bottom surface of the horizontal part of the left and right driving frames; a side barrier plate is arranged in the lifting limiting groove in a lifting way; a driving frame limiting device is respectively arranged between the left and right driving frames and the central supporting frame; the driving frame limiting device is used for limiting the left position and the right position of the left driving frame and the right driving frame on the corresponding side.
Description
Technical Field
The invention relates to the technical field of welding supporting devices, in particular to a supporting device for butt welding of paired steel pipes.
Background
The steel tube is a cold-drawn or cold-rolled precision seamless steel tube with high dimensional precision and good surface finish for mechanical structures and hydraulic equipment. The cold-rolled (drawn) seamless steel tube is divided into a common steel tube, a low and medium pressure boiler steel tube, a high pressure boiler steel tube, an alloy steel tube, a stainless steel tube, a petroleum cracking tube and other steel tubes, and also comprises a carbon thin-wall steel tube, an alloy thin-wall steel tube, a stainless thin-wall steel tube and a special-shaped steel tube.
Present steel pipe all is the standard steel pipe of certain length, in most equipment, especially high pressure pipeline, the length that needs the steel pipe is very long and the gas tightness still needs to be good, consequently need weld the extension to ordinary standard steel pipe, in welding process, the concentricity requirement to the steel pipe is very high, otherwise will produce the dislocation, not only influence the appearance of steel pipe pleasing to the eye, and influence welding quality, consequently some constructors of welding steel pipe hope to have a welding auxiliary device, can carry out the axiality to two butt welding steel pipes and adjust well automatically, and can also apply certain pressure with two butt welding steel pipes at welding process and promote its fusion, in order to obtain better welding quality.
Disclosure of Invention
The invention aims to provide a supporting device for butt welding of paired steel pipes, aiming at the technical problem that two butt welded steel pipes need to be aligned in the middle.
The technical scheme for solving the technical problems is as follows: a supporting device for butt welding of paired steel pipes comprises a central supporting frame and a steel pipe butt joint device; the central support frame comprises a pair of left and right central seats which are arranged in bilateral symmetry; a left central limiting hole and a right central limiting hole which penetrate through the left central seat and the right central seat are formed on the left central seat and the right central seat; the central limiting hole consists of an upper isosceles right-angle triangular groove and a lower rectangular groove; the left side and the right side of the central support frame are respectively provided with a right-angled bent side limit frame with an upward opening in a lifting way; a side supporting plate is formed outside the central supporting frame; a horizontal connecting plate is formed between the upper ends of the pair of side supporting plates; the steel pipe butt joint device comprises an isosceles triangle-shaped central stop block and a pair of right and left U-shaped driving frames, wherein the isosceles triangle-shaped central stop block is arranged right below the horizontal connecting plate in a lifting mode, and the right and left U-shaped driving frames are provided with downward openings; the left and right driving frames are respectively arranged on the left and right sides of the central supporting frame in a left and right elastic movement manner; a rectangular groove-shaped lifting limiting groove is formed in the vertical part of the left and right driving frames; a side barrier plate is arranged in the lifting limiting groove in a lifting way; a driving frame limiting device is respectively arranged between the pair of left and right driving frames and the central supporting frame; the driving frame limiting device is used for limiting the left position and the right position of the left driving frame and the right driving frame on the corresponding side.
Preferably, a pair of electric lifting cylinders are symmetrically arranged in front and back on the left and right sides of the pair of left and right center seats, and the front and back ends of the side limiting frame are fixed to the upper ends of the piston rods of the pair of electric lifting cylinders on the corresponding sides.
Preferably, a pair of central limiting electric cylinders which are symmetrically arranged front and back are fixed on the upper end surface of the horizontal connecting plate; the central stop block is fixed at the lower end of the piston rods of the pair of central limiting electric cylinders.
Preferably, a plurality of vertical guide rods which are uniformly distributed are formed on the upper end surface of the central blocking block; the vertical guide rod vertically penetrates through the horizontal connecting plate.
Preferably, a pair of lower limiting electric cylinders which are symmetrically arranged in front and back are fixed on the upper end surfaces of the left and right driving frames; the side stop plate is fixed at the lower end of the piston rod of the lower limit electric cylinder at the corresponding side.
Preferably, a pair of left and right guide posts are formed on the upper ends of the end surfaces of the pair of side support plates, which are far away from each other, and are symmetrically arranged in the front and back direction; the lower ends of the end surfaces of the left and right central seats, which are far away from each other, are respectively formed with a pair of left and right guide posts which are symmetrically arranged front and back; the left and right driving frames are sleeved on the four left and right guide posts on the corresponding sides; the left guide post and the right guide post are sleeved with a pressure spring; one end of the pressure spring is fixed on the left and right driving frames, and the other end is fixed on the side supporting plate.
Preferably, as the technical scheme, a stop plate is formed at one end of the left and right guide posts away from the central support frame.
Preferably, the bottom surfaces of the left and right driving frames are provided with a plurality of rollers which are uniformly distributed.
Preferably, the driving frame limiting device comprises a left limiting and right limiting abutting plate; a pair of left and right limiting electric cylinders which are symmetrically arranged front and back are respectively fixed at the upper ends of the end surfaces of the pair of side supporting plates which are far away from each other; the left and right limit backup plates are fixed on piston rods of a pair of left and right limit electric cylinders on the corresponding sides; the left and right driving frames are abutted against the left and right limiting abutting plates of the corresponding sides.
The invention has the beneficial effects that: simple structure makes things convenient for a pair of steel pipe to align between two parties and be close to, guarantees subsequent welding quality.
Drawings
FIG. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 isbase:Sub>A schematic structural diagram ofbase:Sub>A cross section A-A in FIG. 1 according to the present invention.
In the figure, 10, the central support; 11. a left and a right center base; 110. a central limiting hole; 12. side supporting plates; 13. a horizontal connecting plate; 14. a lifting electric cylinder; 15. a side limiting frame; 16. a left guide post and a right guide post; 161. a stop plate; 20. a steel pipe butt joint device; 21. a central limit electric cylinder; 22. a central blocking piece; 221. a vertical guide rod; 23. a pressure spring; 24. a left limiting electric cylinder and a right limiting electric cylinder; 25. the left and right limit leaning plates; 27. a left driving frame and a right driving frame; 270. a lifting limiting groove; 28. a lower limiting electric cylinder; 29. a side barrier plate.
Detailed Description
As shown in fig. 1 and 2, a supporting device for butt welding of paired steel pipes comprises a central support frame 10 and a steel pipe butt joint device 20; the central support frame 10 comprises a pair of left and right central seats 11 which are arranged in bilateral symmetry; a left and a right penetrating central limiting hole 110 are formed on the left and the right central seats 11; the central limiting hole 110 is composed of an isosceles right triangle groove at the upper part and a rectangular groove at the lower part; the left side and the right side of the central support frame 10 are respectively provided with a right-angle bent side limiting frame 15 with an upward opening in a lifting way; a side supporting plate 12 is formed outside the central supporting frame 10; a horizontal connecting plate 13 is formed between the upper ends of the pair of side supporting plates 12; the steel tube butt-joint device 20 comprises an isosceles triangle-shaped central stop block 22 which is arranged right below the horizontal connecting plate 13 in a lifting way and a pair of right and left U-shaped driving frames 27 with downward openings; a pair of left and right driving frames 27 are respectively arranged on the left and right sides of the central support frame 10 in a left and right elastic movement manner; a rectangular groove-shaped lifting limiting groove 270 is formed in the vertical part of the left and right driving frames 27; a side barrier plate 29 is arranged in the lifting limiting groove 270 in a lifting way; a driving frame limiting device is respectively arranged between the pair of left and right driving frames 27 and the central supporting frame 10; the driving frame limiting device is used for limiting the left and right positions of the left and right driving frames 27 on the corresponding side.
As shown in fig. 1 and 2, a pair of electric lifting cylinders 14 are symmetrically disposed at the front and rear sides of the pair of left and right center bases 11, and the front and rear ends of the side stoppers 15 are fixed to the upper ends of the piston rods of the pair of electric lifting cylinders 14 at the corresponding sides.
As shown in fig. 1, a pair of central position-limiting electric cylinders 21 which are symmetrically arranged front and back are fixed on the upper end surface of the horizontal connecting plate 13; the center stop block 22 is fixed at the lower end of the piston rod of the pair of center limit electric cylinders 21.
As shown in fig. 1, a plurality of vertical guide rods 221 are formed on the upper end surface of the central stop block 22 and are uniformly distributed; the vertical guide rod 221 vertically passes through the horizontal connection plate 13.
As shown in fig. 1 and 2, a pair of lower limiting electric cylinders 28 which are symmetrically arranged in front and back are fixed on the upper end surfaces of the left and right driving frames 27; the side blocking plate 29 is fixed to the lower ends of the piston rods of the pair of lower limiting electric cylinders 28 on the corresponding side.
As shown in fig. 1, a pair of left and right guide posts 16 are formed on the upper ends of the end surfaces of the pair of side support plates 12, which are far away from each other, symmetrically in the front-back direction; a pair of left and right guide posts 16 which are symmetrically arranged front and back are respectively formed at the lower ends of the end surfaces of the pair of left and right center bases 11 which are far away from each other; the left and right driving frames 27 are sleeved on the four left and right guide posts 16 on the corresponding sides; the left and right guide posts 16 are sleeved with a pressure spring 23; one end of the compression spring 23 is fixed on the left and right driving frames 27, and the other end is fixed on the side supporting plate 12.
As shown in fig. 1, a stop plate 161 is formed at one end of the left and right guide posts 16 away from the center support frame 10.
As shown in fig. 1, the bottom surface of the left and right driving frames 27 is provided with a plurality of rollers which are uniformly distributed.
As shown in fig. 1, the driving rack limiting device comprises a left and right limiting and leaning plate 25; a pair of left and right limiting electric cylinders 24 which are symmetrically arranged in front and back are respectively fixed at the upper ends of the end surfaces of the pair of side supporting plates 12 which are far away from each other; the left and right limit backup plates 25 are fixed on the piston rods of the pair of left and right limit electric cylinders 24 on the corresponding sides; the left and right driving brackets 27 abut against the left and right limit abutting plates 25 of the respective sides.
The working principle of the supporting device for butt welding of paired steel pipes;
in an initial state, the four side limiting frames 15 are positioned at the lowest end, the left and right driving frames 27 are farthest away from the central supporting frame 10, and the side blocking plate 29 is positioned at the highest end; the central stop block 22 is at the lowermost end;
during operation, firstly, a pair of steel pipes are inserted into a pair of side limiting frames 15 and a central limiting hole 110 on the corresponding side, then the four side limiting frames 15 are synchronously lifted, so that the steel pipes are centered, then the side blocking plates 29 are lowered, so that the side blocking plates 29 are opposite to the steel pipes, then the left and right limiting abutting plates 25 approach the central support frame 10, so that the final side blocking plates 29 abut against the outer side ends of the steel pipes, and so that the approaching ends of the pair of steel pipes are respectively abutted against inclined surfaces on two sides of the central blocking block 22; then the center stop block 22 rises, so that the pair of steel pipes gradually approach, when the center stop block 22 rises to the uppermost end, the center stop block 22 is separated from the pair of steel pipes, the adjacent ends of the pair of steel pipes are mutually butted, so that the centered butt joint of the pair of steel pipes is completed, and the subsequent welding is convenient.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a be used for steel pipe butt weld's strutting arrangement in pairs which characterized in that: comprises a central support frame (10) and a steel pipe butt joint device (20); the central support frame (10) comprises a pair of left and right central seats (11) which are arranged in bilateral symmetry; a left and a right penetrating central limiting hole (110) are formed on the left and the right central seats (11); the central limiting hole (110) consists of an isosceles right-angle triangular groove at the upper part and a rectangular groove at the lower part; the left side and the right side of the central support frame (10) are respectively provided with a right-angle bent side limit frame (15) with an upward opening in a lifting way; a side supporting plate (12) is formed outside the central supporting frame (10); a horizontal connecting plate (13) is formed between the upper ends of the pair of side supporting plates (12); the steel pipe butt joint device (20) comprises an isosceles triangle-shaped central stop block (22) which is arranged right below the horizontal connecting plate (13) in a lifting way and a pair of right and left U-shaped driving frames (27) with downward openings; a pair of left and right driving frames (27) are respectively arranged on the left side and the right side of the central supporting frame (10) in a left-right elastic movement way; a rectangular groove-shaped lifting limiting groove (270) is formed in the vertical part of the left and right driving frames (27); a side barrier plate (29) is arranged in the lifting limiting groove (270) in a lifting way; a driving frame limiting device is respectively arranged between the pair of left and right driving frames (27) and the central supporting frame (10); the driving frame limiting device is used for limiting the left and right positions of the left and right driving frames (27) on the corresponding side;
a pair of left and right guide posts (16) which are symmetrically arranged front and back are respectively formed at the upper ends of the end surfaces of the pair of side supporting plates (12) which are far away from each other; a pair of left and right guide posts (16) which are symmetrically arranged in front and back are respectively formed at the lower ends of the end surfaces of the left and right central seats (11) which are far away from each other; the left and right driving frames (27) are sleeved on the four left and right guide posts (16) on the corresponding sides; a pressure spring (23) is sleeved on the left guide post (16) and the right guide post (16); one end of a pressure spring (23) is fixed on the left and right driving frames (27), and the other end is fixed on the side supporting plate (12);
the driving frame limiting device comprises a left limiting and right limiting abutting plate (25); a pair of left and right limiting electric cylinders (24) which are symmetrically arranged in front and back are respectively fixed at the upper ends of the end surfaces of the pair of side supporting plates (12) which are far away from each other; the left and right limit backup plates (25) are fixed on the piston rods of a pair of left and right limit electric cylinders (24) on the corresponding sides; the left and right driving frames (27) are abutted against the left and right limiting abutting plates (25) on the corresponding sides.
2. The supporting device for butt welding of paired steel pipes according to claim 1, characterized in that: the left side and the right side of the pair of left and right center seats (11) are respectively provided with a pair of lifting electric cylinders (14) which are symmetrically arranged in front and back, and the front end and the back end of the side limiting frame (15) are respectively fixed at the upper ends of the piston rods of the pair of lifting electric cylinders (14) at the corresponding sides.
3. The supporting device for butt welding of paired steel pipes according to claim 1, wherein: a pair of central limiting electric cylinders (21) which are symmetrically arranged in front and back are fixed on the upper end surface of the horizontal connecting plate (13); the central stop block (22) is fixed at the lower end of the piston rod of the pair of central limit electric cylinders (21).
4. A supporting device for butt welding of paired steel pipes according to claim 3, characterized in that: a plurality of vertical guide rods (221) which are uniformly distributed are formed on the upper end surface of the central blocking block (22); the vertical guide rod (221) vertically penetrates through the horizontal connecting plate (13).
5. The supporting device for butt welding of paired steel pipes according to claim 1, wherein: a pair of lower limiting electric cylinders (28) which are symmetrically arranged in front and back are fixed on the upper end surfaces of the left and right driving frames (27); the side stop plate (29) is fixed at the lower end of the piston rod of a pair of lower limiting electric cylinders (28) on the corresponding side.
6. The supporting device for butt welding of paired steel pipes according to claim 1, characterized in that: a stop plate (161) is formed at one end of the left and right guide posts (16) far away from the central support frame (10).
7. The supporting device for butt welding of paired steel pipes according to claim 1, wherein: the bottom surfaces of the left and right driving frames (27) are provided with a plurality of rollers which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501548.6A CN112621090B (en) | 2020-12-18 | 2020-12-18 | Supporting device for butt welding of paired steel pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501548.6A CN112621090B (en) | 2020-12-18 | 2020-12-18 | Supporting device for butt welding of paired steel pipes |
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| Publication Number | Publication Date |
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| CN112621090A CN112621090A (en) | 2021-04-09 |
| CN112621090B true CN112621090B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011501548.6A Active CN112621090B (en) | 2020-12-18 | 2020-12-18 | Supporting device for butt welding of paired steel pipes |
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Effective date of registration: 20221027 Address after: 317608 The first room in the north of the first floor, No. 39, Yinhu Avenue, Yuhuan Economic Development Zone, Taizhou, Zhejiang (self declared) Applicant after: Yuhuan Minyue Sanitary Ware Co.,Ltd. Address before: No.49, Wanhua Road, Qingyang District, Chengdu, Sichuan 610000 Applicant before: Chengdu diruichuang orange Technology Co.,Ltd. |
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