CN114986072B - Metal thin-wall cylinder assembly welding tool and method - Google Patents
Metal thin-wall cylinder assembly welding tool and method Download PDFInfo
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- CN114986072B CN114986072B CN202210799347.1A CN202210799347A CN114986072B CN 114986072 B CN114986072 B CN 114986072B CN 202210799347 A CN202210799347 A CN 202210799347A CN 114986072 B CN114986072 B CN 114986072B
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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
- B23K37/0531—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 internal pipe alignment clamps
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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
- 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
- B23K31/003—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 controlling of welding distortion
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a metal thin-wall cylinder assembly welding tool and a method, wherein: the metal thin-wall barrel assembly welding tool comprises a welding anti-deformation supporting ring, a supporting steel frame is arranged on the inner circle of the welding anti-deformation supporting ring, a thin-wall barrel welding supporting structure is arranged at the lower part of the outer circle of the welding anti-deformation supporting ring, a plurality of welding argon filling gaps are uniformly distributed between the upper surface of the thin-wall barrel welding supporting structure and the top end of the welding anti-deformation supporting ring, and a plurality of welding lining plates are arranged on the inner sides of the welding argon filling gaps through first fasteners. The assembly welding tool can accurately mount and position a plurality of metal thin-wall arc plates to be assembled and welded, and can effectively ensure the final machining dimensional accuracy of the assembled and welded metal thin-wall cylinder. According to the assembly welding method, the plurality of metal thin-wall arc plates to be assembled and welded are accurately installed and positioned on the assembly welding tool of the metal thin-wall cylinder body, argon arc welding is effectively implemented, and the final machining dimensional accuracy of the assembled and welded metal thin-wall cylinder body can be ensured.
Description
Technical Field
The invention relates to the technical field of welding tools and methods, in particular to a metal thin-wall cylinder assembly welding tool and a metal thin-wall cylinder assembly welding method.
Background
The existing metal thin-wall cylinder with the outer circle diameter of more than 5 meters and the wall thickness of less than 3 millimeters and small rigidity cannot be machined by a machine tool, and the metal thin-wall cylinder can only be formed by combining and welding a plurality of metal arc plates.
Disclosure of Invention
The invention provides a metal thin-wall cylinder assembly welding tool, which aims to solve the technical problem that the final machining dimensional accuracy cannot be guaranteed by simply adopting a combined splice welding metal thin-wall cylinder.
The support steel frame can effectively ensure that the outer circular outline of the welding anti-deformation support ring is not deformed, and further can effectively ensure that the outer circular outline of the metal thin-wall cylinder formed by splicing and welding a plurality of metal thin-wall arc plates is attached and clamped on the outer circular outline of the welding anti-deformation support ring. The thin-wall cylinder welding support structure is used for supporting the bottom surfaces of the metal thin-wall arc plates to position the metal thin-wall arc plates, and ensuring that the metal thin-wall arc plates which are sequentially arranged in the assembly welding process keep the height consistency on the outer circular surface of the welding anti-deformation support ring so as to ensure the height dimension precision of the metal thin-wall cylinder after the assembly welding is finished. The welding argon filling gap and the welding lining plate have the functions of conveniently implementing argon arc welding and argon filling protection on the splicing joint of a plurality of adjacent two-metal thin-wall arc plates and effectively preventing welding deformation.
Further, the support steel frame is formed by combining and connecting a plurality of I-steel beams and is arranged along the inner circle of the welding anti-deformation support ring to form a multi-point support structure.
Further, the upper surface symmetry of support steelframe is provided with a plurality of lugs.
Further, the shape of the welding support structure of the thin-wall cylinder body adopts an annular support boss or a plurality of support blocks uniformly distributed at the lower part of the excircle of the welding anti-deformation support ring.
Further, the length and the width of the welding lining plate are larger than those of the welding argon filling notch.
Further, split type holding ring is adopted to welding preapring for an unfavorable turn of events holding ring, split type holding ring includes semicircle holding ring and lower semicircle holding ring, go up semicircle holding ring's both ends with lower semicircle holding ring's both ends fixed connection, be equipped with the semicircle holding steel frame on going up semicircle holding ring's the interior circle, be equipped with lower semicircle holding steel frame on the interior circle of lower semicircle holding ring, the excircle lower part of going up semicircle holding ring is equipped with semicircle thin wall cylinder welding support structure, the excircle lower part of lower semicircle holding ring is equipped with semicircle thin wall cylinder welding support structure go up semicircle thin wall cylinder welding support structure's upper surface to go up semicircle holding ring's top equipartition has a plurality of welding to fill argon breach down semicircle cylinder welding support structure's upper surface to down equipartition between the top of semicircle holding ring has a plurality of welding to fill argon breach, a plurality of welding is filled argon breach inboard all is equipped with welding welt.
Further, the inner sides of the two ends of the upper semicircular supporting ring are respectively provided with an upper connecting plate, the inner sides of the two ends of the lower semicircular supporting ring are respectively provided with a lower connecting plate, and a backing plate is respectively arranged between the upper connecting plates and the lower connecting plates and is connected through a second fastening piece.
Further, the upper semicircular support steel frame is formed by combining and connecting a plurality of I-shaped steel and is arranged along the inner circle of the upper semicircular support ring to form a multi-point support structure, and the lower semicircular support steel frame is formed by combining and connecting a plurality of I-shaped steel and is arranged along the inner circle of the lower semicircular support ring to form a multi-point support structure.
Further, the upper semicircular thin-wall cylinder welding support structure adopts an upper semicircular annular support boss, and the lower semicircular thin-wall cylinder welding support structure adopts a lower semicircular annular support boss.
Further, the upper semicircular thin-wall cylinder welding support structure adopts a plurality of upper semicircular support blocks uniformly distributed at the lower part of the outer circle of the upper semicircular support ring, and the lower semicircular thin-wall cylinder welding support structure adopts a plurality of lower semicircular support blocks uniformly distributed at the lower part of the outer circle of the lower semicircular support ring.
The metal thin-wall barrel assembly welding tool can accurately mount and position a plurality of metal thin-wall arc plates to be assembled and welded, and can effectively ensure the final machining dimensional accuracy of the assembled and welded metal thin-wall barrel.
The invention also provides a method for assembling and welding the metal thin-wall cylinder, which is implemented by the assembly and welding tool of any one of the above preferred technical schemes, and comprises the following steps: the welding device comprises a metal thin-wall barrel, a welding anti-deformation support ring, a welding argon filling gap, a welding support structure and a welding support structure, wherein the metal thin-wall barrel is formed by splicing and welding a plurality of metal thin-wall arc plates; and then carrying out spot welding reinforcement on the splicing joints of a plurality of adjacent two metal thin-wall arc plates, then carrying out full welding on the splicing joints reinforced by the spot welding, and dismantling a plurality of clamps and dismantling the metal thin-wall cylinder after the full welding is finished.
Further, after the split type support ring is adopted to finish assembly welding of the metal thin-wall cylinder and a plurality of clamps are removed, two backing plates arranged between two upper connecting plates and two lower connecting plates are detached, two upper connecting plates and two lower connecting plates are screwed by second fasteners, at the moment, the diameter of the split type support ring is reduced, and then the metal thin-wall cylinder is rapidly detached.
Further, the clamp adopts a C-shaped clamp.
According to the metal thin-wall cylinder assembly welding method, the plurality of metal thin-wall arc plates to be assembled and welded are accurately installed and positioned on the metal thin-wall cylinder assembly welding tool, argon arc welding is effectively implemented, and the final machining dimensional accuracy of the metal thin-wall cylinder formed by assembly welding can be ensured.
Drawings
FIG. 1 is a top view of a preferred embodiment of the metal thin-walled cylinder assembly welding tool of the present invention.
FIG. 2 is an A-A view of the embodiment of FIG. 1 of the present invention.
Fig. 3 is a partial rotational enlarged view of the embodiment i of fig. 1 according to the present invention.
Fig. 4 is a K-direction view of the embodiment of the invention shown in fig. 3.
Fig. 5 is an enlarged view of part ii of the embodiment of the invention shown in fig. 1.
Reference numerals illustrate:
1-an upper semicircular support ring; 2-a lower semicircular support ring; 3-welding a lining plate; 4-backing plate; 5-a first bolt; 6-a first gasket; 7-a second bolt; 8-a nut; 9-a second gasket; 10-an upper connecting plate; 11-a lower connecting plate; 12-lifting lugs; 13-welding an argon filling gap.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate directional terms, and are merely used for simplifying the description based on the positional relationship of the drawings in the specification, and do not represent that the elements and devices and the like referred to must be operated according to the specific orientations and the operations and methods, configurations defined in the specification, and such directional terms do not constitute limitations of the present invention.
The invention provides a metal thin-wall barrel assembly welding tool, which comprises a welding anti-deformation support ring, wherein a support steel frame is arranged on the inner circle of the welding anti-deformation support ring, a thin-wall barrel welding support structure is arranged at the lower part of the outer circle of the welding anti-deformation support ring, a plurality of welding argon filling gaps 13 are uniformly distributed between the upper surface of the thin-wall barrel welding support structure and the top end of the welding anti-deformation support ring, and welding lining plates 3 are arranged on the inner sides of the welding argon filling gaps 13 through first fasteners.
In this embodiment, the support steelframe can effectively guarantee that the excircle profile of welding preapring for an unfavorable turn of events shape holding ring does not warp, and then also can effectively guarantee laminating clamp the excircle profile of welding preapring for an events shape holding ring by the excircle profile dimensional accuracy of the metal thin wall barrel that a plurality of metal thin wall arc amalgamation welding formed. The thin-wall cylinder welding support structure is used for supporting the bottom surfaces of the metal thin-wall arc plates to position the metal thin-wall arc plates, and ensuring that the metal thin-wall arc plates which are sequentially arranged in the assembly welding process keep the height consistency on the outer circular surface of the welding anti-deformation support ring so as to ensure the height dimension precision of the metal thin-wall cylinder after the assembly welding is finished. The welding argon filling gap 13 and the welding lining plate 3 have the functions of conveniently implementing argon arc welding and argon filling protection on the splicing joint of a plurality of adjacent two-metal thin-wall arc plates and effectively preventing welding deformation.
Specifically, a plurality of threaded holes are formed in the periphery of the inner side of the welding argon filling gap 13, the first fastening piece adopts a first bolt 5 and a first gasket 6, and the welding lining plate 3 is fixedly installed on the inner side of the welding argon filling gap 13 through the first bolt 5, the first gasket 6 and the threaded holes.
Optionally, the support steel frame is formed by combining and connecting a plurality of I-steel beams and is arranged along the inner circle of the welding anti-deformation support ring to form a multi-point support structure.
Optionally, a plurality of lifting lugs 12 are symmetrically arranged on the upper surface of the support steel frame.
Specifically, as shown in fig. 2, two lifting lugs 12 are symmetrically arranged on the upper surface of the support steel frame.
Optionally, the shape of the welding support structure of the thin-wall cylinder adopts an annular support boss or adopts a plurality of support blocks uniformly distributed at the lower part of the excircle of the welding anti-deformation support ring.
Optionally, as shown in fig. 3 and 4, the length and width of the welding lining plate 3 are larger than the length and width of the welding argon filling gap 13.
Alternatively, as shown in fig. 1-5, the welding anti-deformation support ring adopts a split support ring, the split support ring comprises an upper semicircular support ring 1 and a lower semicircular support ring 2, two ends of the upper semicircular support ring 1 are fixedly connected with two ends of the lower semicircular support ring 2, an upper semicircular support steel frame is arranged on the inner circle of the upper semicircular support ring 1, a lower semicircular support steel frame is arranged on the inner circle of the lower semicircular support ring 2, an upper semicircular thin-walled cylinder welding support structure is arranged at the lower part of the outer circle of the upper semicircular support ring 1, a lower semicircular thin-walled cylinder welding support structure is arranged at the lower part of the outer circle of the lower semicircular support ring 2, a plurality of welding argon filling gaps 13 are uniformly distributed between the upper surface of the upper semicircular thin-walled cylinder welding support structure and the top end of the lower semicircular support ring 2, and a plurality of welding argon filling gaps 13 are uniformly arranged on the inner sides of the welding argon filling gaps 13.
Optionally, as shown in fig. 1, 2 and 5, the inner sides of the two ends of the upper semicircular support ring 1 are respectively provided with an upper connecting plate 10, the inner sides of the two ends of the lower semicircular support ring 2 are respectively provided with a lower connecting plate 11, and a backing plate 4 is respectively arranged between the upper connecting plates 10 and the two lower connecting plates 11 and is connected through a second fastening piece.
Specifically, the second fastener employs a second bolt 7, a nut 8, and a second washer 9.
Optionally, as shown in fig. 1, the upper semicircular support steel frame is formed by connecting a plurality of i-beams in a combined manner and is arranged along the inner circle of the upper semicircular support ring 1 to form a multi-point support structure, and the lower semicircular support steel frame is formed by connecting a plurality of i-beams in a combined manner and is arranged along the inner circle of the lower semicircular support ring 2 to form a multi-point support structure.
Specifically, the metal thin-wall cylinder body can be formed by splicing and welding five metal thin-wall arc plates, five welding argon filling notches 13 are uniformly distributed between the upper surface of the welding support structure of the thin-wall cylinder body and the top end of the welding anti-deformation support ring, five welding lining plates 3 are correspondingly arranged on the inner sides of the five welding argon filling notches 13, and the five welding argon filling notches 13 correspond to the five spliced side surfaces of the five metal thin-wall arc plates.
The metal thin-wall arc plate is processed by a three-roller rolling machine.
Optionally, the upper semicircular thin-wall cylinder welding support structure adopts an upper semicircular annular support boss, the lower semicircular thin-wall cylinder welding support structure adopts a lower semicircular annular support boss, and the upper semicircular annular support boss and the lower semicircular annular support boss are combined to form the annular support boss.
Optionally, the upper semicircular thin-walled cylinder welding support structure adopts a plurality of upper semicircular support blocks uniformly distributed at the lower part of the outer circle of the upper semicircular support ring, the lower semicircular thin-walled cylinder welding support structure adopts a plurality of lower semicircular support blocks uniformly distributed at the lower part of the outer circle of the lower semicircular support ring, and the upper semicircular support blocks and the lower semicircular support blocks are combined to form a plurality of support blocks uniformly distributed at the lower part of the outer circle of the split support ring.
The metal thin-wall barrel assembly welding tool can accurately mount and position a plurality of metal thin-wall arc plates to be assembled and welded, and can effectively ensure the final machining dimensional accuracy of the assembled and welded metal thin-wall barrel.
The embodiment of the invention also provides a metal thin-wall cylinder assembly welding method, which is implemented by the metal thin-wall cylinder assembly welding tool in any one of the above preferred embodiments, and comprises the following steps: the metal thin-wall cylinder body is formed by splicing and welding a plurality of metal thin-wall arc plates, the outer circular surface of the welding anti-deformation supporting ring is matched with the inner cambered surfaces of the metal thin-wall arc plates, the metal thin-wall arc plates are sequentially arranged and wound on the outer circular surface of the welding anti-deformation supporting ring to be attached, the metal thin-wall arc plates are clamped on the outer circular surface of the welding anti-deformation supporting ring through a plurality of clamps which are uniformly distributed, the bottom surfaces of a plurality of metal thin-wall arc plates are placed on the upper surface of the thin-wall cylinder welding supporting structure, the splicing joint of two adjacent metal thin-wall arc plates corresponds to the position of the welding argon filling gap 13, and a 2-4mm assembly welding gap is reserved at the splicing joint of the two adjacent metal thin-wall arc plates; and then carrying out spot welding reinforcement on the splicing joints of a plurality of adjacent two metal thin-wall arc plates, then carrying out full welding on the splicing joints reinforced by the spot welding, and dismantling a plurality of clamps and dismantling the metal thin-wall cylinder after the full welding is finished.
Alternatively, as shown in fig. 1, 2 and 5, after the split support ring is used to complete the assembly welding of the metal thin-wall cylinder and remove a plurality of the clamps, two backing plates 4 installed between two upper connecting plates 10 and two lower connecting plates 11 are detached, and then two upper connecting plates 10 and two lower connecting plates 11 are screwed by a second fastening piece, at this time, the diameter of the split support ring is reduced, and then the metal thin-wall cylinder is quickly removed.
Optionally, the clamp adopts a C-shaped clamp.
According to the metal thin-wall cylinder assembly welding method, the plurality of metal thin-wall arc plates to be assembled and welded are accurately installed and positioned on the metal thin-wall cylinder assembly welding tool, argon arc welding is effectively implemented, and the final machining dimensional accuracy of the metal thin-wall cylinder formed by assembly welding can be ensured.
Taking the metal thin-wall cylinder as an example, when a plurality of nickel thin-wall arc plates are sequentially arranged and surround the outer circular surface of the welding anti-deformation support ring to be attached, and when a plurality of C-shaped clamps are uniformly distributed to clamp a plurality of nickel thin-wall arc plates on the outer circular surface of the welding anti-deformation support ring, a 3mm assembly welding gap is reserved at the splicing joint of a plurality of adjacent two nickel thin-wall arc plates, a single-sided welding double-sided forming welding mode is preferably adopted during assembly welding, the back of a welding line, namely the back of the welding line, namely the welding argon filling gap 13 is required to be filled with argon for protection, if argon is not filled, oxidation of the back of the welding line is caused, an argon arc welding gun welds the two nickel thin-wall arc plates at the outer side of the splicing joint of the welding line along the longitudinal welding joint, and the back of the welding line can present metallic luster after full welding.
Although the present invention is disclosed in the above preferred embodiments, the present invention is not limited thereto. Various arrangements and combinations of the above-described preferred embodiments can be made by those skilled in the art without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The utility model provides a metal thin-wall barrel assembly welding frock, its characterized in that includes the welding deformation prevention backup ring, be equipped with the support steelframe on the interior circle of welding deformation prevention backup ring, the support steelframe includes main connecting rod and a plurality of times connecting rod, the both ends of main connecting rod are connected the welding deformation prevention backup ring is in the both ends in diameter direction, every one end of secondary connecting rod is connected in the middle part of main connecting rod, the other end is connected in the welding deformation prevention backup ring, every both sides of secondary connecting rod are equipped with a main stiffener respectively, one end of main stiffener is connected in corresponding secondary connecting rod, the other end is connected in welding deformation prevention backup ring, at least part the middle part of main stiffener with be connected with the secondary stiffener between the welding deformation prevention backup ring, the lower part of the excircle of the welding anti-deformation support ring is provided with a thin-wall cylinder welding support structure, a plurality of welding argon filling gaps (13) are uniformly distributed between the upper surface of the thin-wall cylinder welding support structure and the top end of the welding anti-deformation support ring, a plurality of welding lining plates (3) are arranged on the inner sides of the welding argon filling gaps (13) through first fasteners, the welding anti-deformation support ring adopts split support rings, each split support ring comprises an upper semicircular support ring (1) and a lower semicircular support ring (2), two ends of the upper semicircular support ring (1) are fixedly connected with two ends of the lower semicircular support ring (2), an upper semicircular support steel frame is arranged on the inner circle of the upper semicircular support ring (1), a lower semicircular support steel frame is arranged on the inner circle of the lower semicircular support ring (2), the welding support structure is characterized in that an upper semicircular thin-wall cylinder welding support structure is arranged at the lower part of the outer circle of the upper semicircular support ring (1), a lower semicircular thin-wall cylinder welding support structure is arranged at the lower part of the outer circle of the lower semicircular support ring (2), a plurality of welding argon filling gaps (13) are uniformly distributed between the upper surface of the upper semicircular thin-wall cylinder welding support structure and the top end of the upper semicircular support ring (1), a plurality of welding argon filling gaps (13) are uniformly distributed between the upper surface of the lower semicircular thin-wall cylinder welding support structure and the top end of the lower semicircular support ring (2), welding lining plates (3) are respectively arranged at the inner sides of the welding argon filling gaps (13), upper connecting plates (10) are respectively arranged at the inner sides of the two ends of the upper semicircular support ring (1), and a base plate (4) is respectively arranged between the upper connecting plates (10) and the lower connecting plates (11) and is connected through a second fastener.
2. The assembly welding tool for the metal thin-wall cylinder body according to claim 1, wherein the support steel frame is formed by combining and connecting a plurality of I-steel beams and is arranged along the inner circle of the welding anti-deformation support ring to form a multi-point support structure.
3. The metal thin-wall cylinder assembly welding tool according to claim 1, wherein a plurality of lifting lugs (12) are symmetrically arranged on the upper surface of the supporting steel frame.
4. The metal thin-wall cylinder assembly welding tool according to claim 1, wherein the shape of the welding support structure of the thin-wall cylinder is an annular support boss or a plurality of support blocks uniformly distributed at the lower part of the outer circle of the welding anti-deformation support ring.
5. The metal thin-wall cylinder assembly welding tool according to claim 1, wherein the length and the width of the welding lining plate (3) are larger than those of the welding argon filling gap (13).
6. The metal thin-wall cylinder assembly welding tool according to claim 1, wherein the upper semicircular support steel frame is formed by combining and connecting a plurality of I-steel beams and is arranged along the inner circle of the upper semicircular support ring (1) to form a multi-point support structure, and the lower semicircular support steel frame is formed by combining and connecting a plurality of I-steel beams and is arranged along the inner circle of the lower semicircular support ring (2) to form a multi-point support structure.
7. A method for assembling and welding a metal thin-wall cylinder, which is characterized by being implemented by the metal thin-wall cylinder assembling and welding tool according to any one of claims 1-6, and comprising the following steps: the metal thin-wall cylinder body is formed by splicing and welding a plurality of metal thin-wall arc plates, the outer circular surface of the welding anti-deformation supporting ring is matched with the inner cambered surfaces of the metal thin-wall arc plates, the metal thin-wall arc plates are sequentially arranged and wound on the outer circular surface of the welding anti-deformation supporting ring to be attached, the metal thin-wall arc plates are clamped on the outer circular surface of the welding anti-deformation supporting ring through a plurality of clamps which are uniformly distributed, the bottom surfaces of a plurality of metal thin-wall arc plates are placed on the upper surface of the thin-wall cylinder welding supporting structure, the splicing joint of two adjacent metal thin-wall arc plates corresponds to the position of a welding argon filling gap (13), and a 2-4mm assembly welding gap is reserved at the splicing joint of two adjacent metal thin-wall arc plates; and then carrying out spot welding reinforcement on the splicing joints of a plurality of adjacent two metal thin-wall arc plates, then carrying out full welding on the splicing joints reinforced by the spot welding, and dismantling a plurality of clamps and dismantling the metal thin-wall cylinder after the full welding is finished.
8. The method for assembling and welding the metal thin-wall cylinder according to claim 7, wherein after assembling and welding the metal thin-wall cylinder and removing the plurality of clamps by using the split type supporting ring, the two base plates (4) installed between the two upper connecting plates (10) and the two lower connecting plates (11) are removed, and then the two upper connecting plates (10) and the two lower connecting plates (11) are screwed by the second fastening piece, at the moment, the diameter of the split type supporting ring is reduced, and then the metal thin-wall cylinder is quickly removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210799347.1A CN114986072B (en) | 2022-07-06 | 2022-07-06 | Metal thin-wall cylinder assembly welding tool and method |
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| CN202210799347.1A CN114986072B (en) | 2022-07-06 | 2022-07-06 | Metal thin-wall cylinder assembly welding tool and method |
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| CN114986072A CN114986072A (en) | 2022-09-02 |
| CN114986072B true CN114986072B (en) | 2023-09-22 |
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