CN114603277B - Calibration device for shell ring assembly and shell ring assembly method - Google Patents
Calibration device for shell ring assembly and shell ring assembly method Download PDFInfo
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- CN114603277B CN114603277B CN202111488032.7A CN202111488032A CN114603277B CN 114603277 B CN114603277 B CN 114603277B CN 202111488032 A CN202111488032 A CN 202111488032A CN 114603277 B CN114603277 B CN 114603277B
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- shell ring
- shell
- roller
- guide rail
- auxiliary mechanism
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A calibration device for shell ring assembly and a shell ring assembly method belong to the technical field of pressure vessel welding. The auxiliary pressing mechanism comprises a support and a supporting seat, a guide rail parallel to the central axis of the shell ring is mounted on the support, the supporting seat is slidably mounted on the guide rail, two groups of telescopic rods are hinged to the supporting seat, and the end portions of the telescopic rods are connected with pressing blocks. The invention has the advantages that the pressing auxiliary mechanisms are arranged on the two sides of the roller carrier, so that the cylindrical sections can be conveniently assembled, spot welding is carried out after the convex cylindrical sections are properly flattened in the team assembling process, the problem of edge misalignment of the circular seam of the cylindrical section assembly can be solved, the working efficiency is improved, and the labor is saved.
Description
Technical Field
The invention relates to the technical field of pressure vessel welding, in particular to a calibration device for shell ring assembly and a shell ring assembly method.
Background
In the manufacturing industry at present, the barrel section assembly of a pressure container adopts a manual assembly process for most parts, particularly the circumferential angle problem among barrel sections in the assembly process and the misalignment problem existing in the barrel section circumferential seams are basically eliminated or reduced by adopting manual welding, extrusion and knocking. The mode has low efficiency, increases the labor intensity of staff, influences the surface quality of the cylinder body and has high noise.
Disclosure of Invention
The invention aims to provide a calibration device and a shell ring assembly method for shell ring assembly, which can improve the working efficiency and the shell ring assembly precision aiming at the defects of the prior art.
The invention aims to solve the technical problem by the following technical scheme, and the calibrating device for the cylinder section assembly comprises two groups of roller frames which are arranged on the left side and the right side of a spot welding station and are used for conveying cylinder sections to be assembled.
The technical problem to be solved by the invention can be further realized by the following technical scheme, wherein the telescopic rod is an electric push rod.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a transverse guide rail is arranged at the bottom of the roller carrier, and the roller carrier is installed on the transverse guide rail in a sliding manner.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the roller carrier comprises 2 support seats which are arranged side by side, and the support seats are connected into a whole through a cross beam; the support is fixedly provided with a mounting rack, a longitudinal guide rail is arranged on the mounting rack, and a roller group is slidably arranged on the longitudinal guide rail; the adjusting mechanism capable of driving the roller group to synchronously slide on the longitudinal guide rail so as to adjust the longitudinal distance of the roller group is arranged between the roller groups, and the mounting rack is provided with a rotating mechanism capable of driving the roller group to synchronously rotate to drive the barrel section to rotate.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the upper surface of the pressing block is a cambered surface capable of being in full contact with the outer surface of the shell ring.
A method for pairing a shell ring by using a shell ring pairing and calibrating device comprises the following operation steps:
hoisting the shell ring: hoisting the shell ring to a corresponding roller frame, and performing preliminary assembly on the circumferential weld combination of the shell ring by adjusting the height of the shell ring through the roller frame;
adjusting the pressing auxiliary mechanism: the pressing auxiliary mechanism is matched with the roller carrier for adjustment, and two telescopic rods in the pressing auxiliary mechanism are distributed on two sides of a circumferential weld, so that a pressing block at the end part of each telescopic rod is in contact with the outer arc surface of the cylinder section;
calibrating the shell ring weld: the roller carrier drives the cylindrical shell to be assembled to synchronously rotate, the pressing auxiliary mechanism is operated to properly flatten the convex cylindrical shell, the misalignment of the circumferential weld is improved, and the calibration of the circumferential weld of the cylindrical shell is completed;
and (3) point fixation after barrel section assembly: after the compression auxiliary mechanism is used for eliminating the misalignment of the shell ring to realize the assembly of the shell ring, the shell ring is manually fixed from the side.
Compared with the prior art, the pressing auxiliary mechanisms are arranged on the two sides of the roller carrier, so that the cylindrical sections can be conveniently assembled, spot welding is carried out after the convex cylindrical sections are properly flattened in the team assembling process, the problem of the edge misalignment of the circular seam of the cylindrical section assembly can be solved, the working efficiency is improved, and the labor is saved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the hold-down assist mechanism of FIG. 1;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. the device comprises a shell section, 2 compression blocks, 3 compression auxiliary mechanisms, 3-1 telescopic rods, 4 supporting seats, 5 guide rails, 6 supports, 7 roller frames, 7-1 adjusting mechanisms, 7-2 longitudinal guide rails, 7-3 rotating mechanisms, 8 transverse guide rails, 9 cross beams and 10 spot welding stations.
Detailed Description
The following further describes specific embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the claims thereof.
Referring to fig. 1-3, the shell ring pairing auxiliary device comprises two groups of roller frames 7 which are arranged on the left side and the right side of a spot welding station and used for conveying a shell ring 1 to be paired, wherein a pressing auxiliary mechanism 3 capable of eliminating the problem of shell ring seam misalignment is arranged on the front side of the spot welding station 10, the pressing auxiliary mechanism comprises a support 6 and a support seat 4, a guide rail 5 which is arranged in parallel with the central axis of the shell ring is arranged on the support, the support seat is slidably arranged on the guide rail, two groups of telescopic rods 3-1 are hinged to the support seat, and the end parts of the telescopic rods are connected with pressing blocks 2.
The telescopic rod is an electric push rod.
And a transverse guide rail 8 is arranged at the bottom of the roller carrier, and the roller carrier is slidably arranged on the transverse guide rail.
Referring to fig. 4, the roller frame comprises two supports arranged side by side, and the supports are connected into a whole through a cross beam 9; a mounting rack is fixed on the support, a longitudinal guide rail 7-2 is installed on the mounting rack, and a roller group is installed on the longitudinal guide rail in a sliding manner; an adjusting mechanism 7-1 capable of driving the roller groups to synchronously slide on the longitudinal guide rail so as to adjust the longitudinal distance of the roller groups is arranged between the roller groups, and a rotating mechanism 7-3 capable of driving the roller groups to synchronously rotate to drive the shell ring to rotate is arranged on the mounting rack.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the upper surface of the pressing block is a cambered surface capable of being in full contact with the outer surface of the shell ring.
A method for pairing a shell ring by using a shell ring pairing and calibrating device comprises the following operation steps:
hoisting the shell ring: hoisting the shell ring to a corresponding roller frame, and performing primary assembly on the circumferential weld combination of the shell ring by adjusting the height of the shell ring and the like through the roller frame;
adjusting and pressing the auxiliary mechanism: the pressing auxiliary mechanism is matched with the roller carrier for adjustment, and two telescopic rods in the pressing auxiliary mechanism are distributed on two sides of a circumferential weld, so that a pressing block at the end part of each telescopic rod is in contact with the outer arc surface of the cylinder section;
calibrating the shell ring weld: the roller carrier drives the cylindrical shell to be assembled to synchronously rotate, the pressing auxiliary mechanism is operated to properly flatten the convex cylindrical shell, the misalignment of the circumferential weld is improved, and the calibration of the circumferential weld of the cylindrical shell is completed;
and (3) point fixation after barrel section assembly: after the compression auxiliary mechanism is used for eliminating the misalignment of the shell ring to realize the assembly of the shell ring, the shell ring is manually fixed from the side.
The two independent slidable roller frames are arranged on the same rail, so that two barrel sections can be respectively placed, the problem of angle and direction between the barrel sections is conveniently solved, meanwhile, the roller groups on the two roller frames can longitudinally slide, the assembly of circular seams can be realized, the problem of misalignment of the circular seams in the assembly process can be solved, and the problem of misalignment of the circular seams can be conveniently and quickly solved by arranging the double-cylinder pressing auxiliary device on the side surfaces of the roller frames.
The device mainly comprises a guide rail, two slidable roller frame sets and a pressing auxiliary mechanism. The two independent roller frame groups can rotate the angle of the cylinder section according to requirements, circular seam assembly is carried out along the track direction after the requirements are met, spot welding processing is carried out on the side face manually, in the spot welding process, when the circular seam has misalignment, the double-cylinder pressing auxiliary mechanism is operated, and spot welding is carried out after the protruding cylinder section is properly flattened. The cylinder end adopts non-metallic briquetting material, avoids causing the crushing to the shell ring outside, and the cylinder base can design into the slide rail type simultaneously, can satisfy different length shell ring group and organize the demand. The device can conveniently carry out the assembly of the shell ring, can completely ensure the assembly misalignment amount, has high efficiency and does not need too much labor.
Claims (3)
1. A calibration device for assembling shell sections comprises two groups of roller frames which are arranged on the left side and the right side of a spot welding station and used for conveying shell sections to be assembled, wherein a pressing auxiliary mechanism capable of eliminating the problem of shell section circular seam misalignment is arranged on the front side of the spot welding station;
the bottom of the roller carrier is provided with a transverse guide rail, and the roller carrier is installed on the transverse guide rail in a sliding manner; the roller carrier comprises 2 supports arranged side by side, and the supports are connected into a whole through a cross beam; the support is fixedly provided with a mounting rack, a longitudinal guide rail is arranged on the mounting rack, and a roller group is slidably arranged on the longitudinal guide rail; an adjusting mechanism capable of driving the roller groups to synchronously slide on the longitudinal guide rail so as to adjust the longitudinal distance of the roller groups is arranged between the roller groups, and a rotating mechanism capable of driving the roller groups to synchronously rotate to drive the shell ring to rotate is installed on the mounting rack;
the method for assembling the shell ring comprises the following operation steps:
hoisting the shell ring: hoisting the shell ring to a corresponding roller frame, and adjusting the height of the shell ring through the roller frame to perform preliminary assembly on the circumferential weld combination of the shell ring;
adjusting the pressing auxiliary mechanism: the pressing auxiliary mechanism is matched with the roller carrier for adjustment, and two telescopic rods in the pressing auxiliary mechanism are distributed on two sides of a circumferential weld, so that a pressing block at the end part of each telescopic rod is in contact with the outer arc surface of the cylinder section;
calibrating the shell ring weld: the roller carrier drives the cylindrical shell to be assembled to synchronously rotate, the pressing auxiliary mechanism is operated to properly flatten the convex cylindrical shell, the misalignment of the circumferential weld is improved, and the calibration of the circumferential weld of the cylindrical shell is completed;
and (3) fixing after the shell sections are assembled: after the compression auxiliary mechanism is used for eliminating the misalignment of the shell ring to realize the assembly of the shell ring, the shell ring is manually fixed from the side.
2. The calibration device for a shell ring pair according to claim 1, wherein: the telescopic rod is an electric push rod.
3. The calibration device for a shell ring pair according to claim 1, wherein: the upper surface of compact heap is the cambered surface that can fully contact with the shell ring surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488032.7A CN114603277B (en) | 2021-12-07 | 2021-12-07 | Calibration device for shell ring assembly and shell ring assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488032.7A CN114603277B (en) | 2021-12-07 | 2021-12-07 | Calibration device for shell ring assembly and shell ring assembly method |
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| Publication Number | Publication Date |
|---|---|
| CN114603277A CN114603277A (en) | 2022-06-10 |
| CN114603277B true CN114603277B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111488032.7A Active CN114603277B (en) | 2021-12-07 | 2021-12-07 | Calibration device for shell ring assembly and shell ring assembly method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202317572U (en) * | 2011-11-15 | 2012-07-11 | 青岛东方铁塔股份有限公司 | Large-scale cylinder body assembly device |
| CN105195961A (en) * | 2015-10-22 | 2015-12-30 | 南京奥特电气股份有限公司 | Pairing lengthening device for two-in-one pipeline |
| CN205600215U (en) * | 2016-03-23 | 2016-09-28 | 浙江久德不锈钢型材有限公司 | Transversal joint pipe welding automatic positioning device |
| CN210188946U (en) * | 2019-08-01 | 2020-03-27 | 马鞍山市雷恒机械科技有限公司 | Straight seam steel pipe welding device |
| CN213764726U (en) * | 2020-10-28 | 2021-07-23 | 新疆骏晟能源装备有限公司 | Magnetic force pairing device for wind power generation tower shell ring |
| CN216829281U (en) * | 2021-12-07 | 2022-06-28 | 连云港中远海运特种装备制造有限公司 | A calibrating device for shell ring is to |
-
2021
- 2021-12-07 CN CN202111488032.7A patent/CN114603277B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202317572U (en) * | 2011-11-15 | 2012-07-11 | 青岛东方铁塔股份有限公司 | Large-scale cylinder body assembly device |
| CN105195961A (en) * | 2015-10-22 | 2015-12-30 | 南京奥特电气股份有限公司 | Pairing lengthening device for two-in-one pipeline |
| CN205600215U (en) * | 2016-03-23 | 2016-09-28 | 浙江久德不锈钢型材有限公司 | Transversal joint pipe welding automatic positioning device |
| CN210188946U (en) * | 2019-08-01 | 2020-03-27 | 马鞍山市雷恒机械科技有限公司 | Straight seam steel pipe welding device |
| CN213764726U (en) * | 2020-10-28 | 2021-07-23 | 新疆骏晟能源装备有限公司 | Magnetic force pairing device for wind power generation tower shell ring |
| CN216829281U (en) * | 2021-12-07 | 2022-06-28 | 连云港中远海运特种装备制造有限公司 | A calibrating device for shell ring is to |
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| CN114603277A (en) | 2022-06-10 |
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