CN104759826B - Large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring - Google Patents
Large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring Download PDFInfo
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- CN104759826B CN104759826B CN201510163189.0A CN201510163189A CN104759826B CN 104759826 B CN104759826 B CN 104759826B CN 201510163189 A CN201510163189 A CN 201510163189A CN 104759826 B CN104759826 B CN 104759826B
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- angle ring
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- roller
- angle
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
The invention discloses that a kind of large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring, belong to large-size cylinder body package technique field, process comprises: 1) move roller and positioner to correct position according to the concrete fitted position of cylindrical shell specification and angle ring, then cylindrical shell is roughly put on the roller of both sides; 2) by pushing clamping device, cylindrical shell is located, and detect cylindrical shell and whether steadily reliably lay; 3) with angle ring clamping device, angle ring clamping is drawn in, angle ring external diameter is shunk, less than cylinder internal diameter. Device comprises: angle ring clamping device, up-down rollers pressing system, roller bench, propelling movement locating and clamping apparatus. The present invention completes the assembling of angle ring by angle ring clamping device, and carry out the fixing adjusting of different model cylindrical shell by pushing locating and clamping apparatus and roller bench, improve efficiency of assembling, reduce labour intensity, improve assembly quality, improve security reliability, there is higher application value.
Description
Technical field
The invention belongs to large-size cylinder body package technique field, be specifically related to that a kind of large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring.
Background technology
For often need to increasing in inside multiple angle rings, raising large-size cylinder body, tank body rigidity forms ring-type muscle, simultaneously, in the time that diameter 3m～7m large-size cylinder body corner of workpiece steel ring is installed, installation and cylindrical shell for the ease of angle ring have enough circularity, improve the quality of follow-up welding technique, also need cylindrical shell to hold round or bind round round operation.
In prior art, following methods is taked in processing to large-size cylinder body: first complete cylindrical shell blanking, plane limit and volume circle, after longitudinal seam welding operation, workman hangs onto cylindrical shell on turning rolls again, because cylindrical shell does not now also fill stiffening ring, itself is affected by gravity, become irregular ellipticity, workman needs first according to the size of cylindrical shell size for this reason, select suitable cranse frock, by cylindrical shell two ends hoop circle, then lifted the angle ring of ground stacking by two workmans, enter into cylindrical shell, because angle ring size is consistent with cylinder internal diameter, angle ring often can be stuck in certain position of cylindrical shell on the way, now must be by manually hitting with a hammer, could arrive smoothly precalculated position, after having assembled, rotate again spot welding. there is following problem in the method:
1. loaded down with trivial details, the inefficiency of whole process: combined type cranse is spliced by multi-section circular arc, also needs adjusting position after closing up between each section, and then bolt tightening, driving lifting times is many, and length consuming time is installed. Labour intensity is large, need to prepare a set of cranse frock for each workpiece, and frock quantity is various, particularly large-size cylinder body as 6, the workpiece of 7m diameter, its cranse frock weight is large, deposits and lift all to have problems, and the operation of hoop circle will become very difficult, even cannot manually complete.
2. adopt the method for outer hoop to hold round frock to cylindrical shell, do not have interior hoop quality good from technique. The local phenomenon that may have indent.
3. adopt and manually angle ring is lifted into cylindrical shell, and knock assembling on the way, labor strength is large, inefficiency, and noise is large, has larger hidden danger in occupation aspect healthy and safe. If particularly barrel diameter is large, such as the above specification of 5m, its angle ring weighs three, 400 kilograms, manually cannot realize the operation that angle ring is seated at all.
4. adopt and manually knock assembling, angle ring and cylindrical shell laminating are poor. There is depression cavitation part, and even angle ring may be crooked, affects the final quality of product.
To sum up, the cylindrical shell that at present industry is generally used holds round and angle ring installation method has been not suitable with the needs of modern production, even can not complete production for large-size cylinder body, be badly in need of cylindrical shell production technology to improve, overcome above-mentioned defect, meanwhile, also should improve corresponding assembly equipment, to adapt to the improvement needs of production technology.
Summary of the invention
In view of this, the invention provides that large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring, overcome prior art because the time that adopts manual operation to exist is long, production efficiency is low, labour intensity is large, poor welding quality and the poor problem of the many varietal adaptations of multi-series.
One of object of the present invention is achieved through the following technical solutions:
Large-size cylinder body holds round and the mounting process method of angle ring, specifically comprises the following steps:
1), according to the concrete fitted position mobile roller cartridge of cylindrical shell specification and angle ring with push locating and clamping apparatus to correct position, then cylindrical shell is roughly put on the roller of both sides;
2) by pushing locating and clamping apparatus, cylindrical shell is located, and detect cylindrical shell and whether steadily reliably lay;
3) with angle ring clamping device, angle ring clamping is drawn in, angle ring external diameter is shunk, less than cylinder internal diameter;
4) 90 ° of anglec of rotation steel ring clamping devices;
5) traveling angle steel ring unclamps to position suitable in cylindrical shell;
6) start up-down rollers pressing system, upper pressure roller is fallen, and angle ring is pressed on cylinder inboard wall, fixes at compression position and cylindrical shell spot welding;
7) start snub pulley, drive cylindrical shell and angle ring to rotate to an angle, again corresponding compacted angle ring spot welding is fixed, rotation successively, angle ring is pressed on cylinder inboard wall gradually, and order spot welding is firm;
8) when having rotated after a whole circle, angle ring clamping device shifts out cylindrical shell, gets back to initial original position;
9) workman enters cylindrical shell, by firm angular aperture steel ring connecting welding, so far completes the assembling spot welding work of an angle ring;
10) driving is sling cylindrical shell and moves a certain distance, according to above-mentioned steps 1)-9) second angle ring spot welding of cylindrical shell has been held round.
Further, step 3) in, described angle ring is provided with opening.
Two of object of the present invention is achieved through the following technical solutions:
The assembly equipment that as mentioned above process is used, comprise for angle ring is carried out clamping, gathering and rotation operate and have multivariant angle ring clamping device, for angle ring is compressed the up-down rollers pressing system that is fitted on cylindrical shell, for adjustment barrel body position also passive roller bench, for cylindrical shell being carried out to the propelling movement locating and clamping apparatus of axial location clamping; Described angle ring clamping device comprise rotarily actuate arm, clamp hand, the device that is movably walking, jacking system, described rotary actuation arm comprises the telescopic retractor device in two ends, is arranged on the turning arm at retractor device two ends, rotatable being connected to of described retractor device is movably walking on device, and described clamping hand is arranged on the end of turning arm;
Described up-down rollers pressing system comprises snub pulley for supporting cylindrical shell and the upper pressure roller of vertical portion disposed thereon, the axis of described upper pressure roller and snub pulley is parallel to each other, upper pressure roller one end is provided with compression running roller, the other end is provided with lowering or hoisting gear, and described snub pulley comprises rotation running roller and rotation running roller is rotated to the variable frequency reducer motor of driving;
Described roller bench comprises carrying roller and carrying roller mobile device;
Described propelling movement locating and clamping apparatus comprises propelling movement clamping device, locating piece, and described propelling movement clamping device comprises claw and claw mobile device;
Further, described retractor device is two hydraulic cylinder or cylinders that oppositely arrange.
Further, described in the device that is movably walking be movably connected on jacking system, described in the device that is movably walking be the sliding beam of frame structure and the chute that matches with sliding beam, described jacking system comprises column and riser guide, described chute is arranged on riser guide.
Further, also comprise base, described angle ring clamping device, up-down rollers pressing system, roller bench, propelling movement locating and clamping apparatus are all fixed on base.
Further, also comprise PLC control system.
The invention has the beneficial effects as follows:
The present invention has adopted brand-new cylindrical shell to hold round technology, the current outer cranse hoop circle generally using of industry or the inner support sired results packing technique of numerous and complicated are broken through, adopt PLC to control simultaneously, complete the assembling of angle ring with removable angle ring clamping device, and carry out the fixing adjusting of different model cylindrical shell by pushing locating and clamping apparatus and roller bench, greatly improve assembly work efficiency, reduce labor strength, improve the quality of angle ring and cylindrical shell assembling spot welding, improve the security reliability of work, strengthen the adaptability to the many kinds of multi-series, the progress of making a breakthrough property, there is higher popularization practical value.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can be instructed from the practice of the present invention. Target of the present invention and other advantages can be realized and be obtained by description below.
Brief description of the drawings
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the present invention holds round the assembly equipment of assembling with angle ring front view for large-size cylinder body;
Fig. 2 is the side view of Fig. 1.
Reference numeral:
1-retractor device; 2-turning arm; 3-sliding beam; 4-chute; 5-column; 6-riser guide, 7-compresses running roller, 8-lowering or hoisting gear; 9-rotates running roller; 10-variable frequency reducer motor; 11-carrying roller; 12-carrying roller mobile device; 13-pushes clamping device; 14-locating piece; 15-claw; 16-claw pusher; 17-clamps hand; 18-angle ring; 19-cylindrical shell; 20-base; 21-electric control system.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail. Should be appreciated that preferred embodiment is only for the present invention is described, instead of in order to limit the scope of the invention.
The present embodiment large-size cylinder body holds round and the mounting process method of angle ring, specifically comprises the following steps:
1) first start angle ring special equipment is installed, according to the concrete fitted position of cylindrical shell specification and established angle steel ring, mobile roller cartridge and propelling movement locating and clamping apparatus are to correct position, then operation is driven a vehicle cylindrical shell handling to this equipment, cylindrical shell is first roughly put on the roller of both sides, carry out pre-determined bit, adopt this adjustable structure, can make this method adapt to the cylindrical shell of different model and specification;
2) start and push clamping device, cylindrical shell is pushed and holds out against on positioner below, and starts roller rotary barrel, whether detect cylindrical shell lays steadily reliable, if exist obvious gap to have inconsistent phenomenon, need axially adjust, make tubular axis consistent with the center of two rollers;
3) manual operation is driven a vehicle angle ring handling to angle ring clamping device, then this angle ring clamping device draws angle ring clamping in, because angle ring is provided with opening in advance, can make the external diameter of angle ring fully shrink, reach less than cylinder internal diameter, be convenient to put in cylindrical shell, simultaneously, employing has the angle ring clamping device of many claws, can make the distortion of angle ring consistent, keep better circularity, make it better enter cylindrical shell, avoid in prior art, owing to not having clamping device to be difficult to make the unified distortion of angle ring, causing entering cylindrical shell very difficult;
4) after angle ring clamps and installs on manipulator, this angle ring clamping device half-twist, is clamping angle ring and is moving in cylindrical shell, and angle ring is installed to cylindrical shell correct position;
5) angle ring clamping device unclamps clamping, and angle ring launches to be routed to cylindrical shell inner side, and abundant and inwall laminating, and cylindrical shell is fully held round, and reaches better circularity;
6) start up-down rollers pressing system, upper pressure roller is fallen, and angle ring is pressed on cylinder inboard wall, and angle ring is compressed to position to workman and cylindrical shell spot welding is firm, makes angle ring further consistent in the circularity that compresses position with cylindrical shell;
7) start snub pulley, drive cylindrical shell and angle ring to rotate to an angle, again corresponding compacted angle ring point is welded on cylinder inboard wall, rotation successively, angle ring is pressed on cylinder inboard wall gradually, and order spot welding is firm, and angle ring is consistent on full circle, make its circularity better, significantly improve welding quality;
8) when having rotated after a whole circle, angle ring is all put and is welded on cylinder inboard wall, and cylindrical shell is also held round by angle ring self, and angle ring clamping device shifts out cylindrical shell, gets back to initial original position;
9) workman enters cylindrical shell, by firm angular aperture steel ring connecting welding, so far completes the assembling spot welding work of an angle ring;
10) driving is sling cylindrical shell and moves a certain distance, according to above-mentioned steps 1)-9) second angle ring spot welding of cylindrical shell has been held round.
The assembly equipment that process is used as mentioned above, as Fig. 1, shown in 2, comprise for angle ring 18 is carried out to clamping, draw in and rotation operates and has a multivariant angle ring clamping device, for angle ring is compressed to the up-down rollers pressing system being fitted on cylindrical shell 19, for adjustment barrel body position passive roller bench, for the propelling movement locating and clamping apparatus that cylindrical shell is carried out to axial location clamping, described angle ring clamping device comprises rotary actuation arm, clamping hand 17, device is movably walking, jacking system, described rotary actuation arm comprises the telescopic retractor device 1 in two ends, be arranged on the turning arm 2 at retractor device 1 two ends, rotatable being connected to of described retractor device 1 is movably walking on device, described clamping hand 17 is arranged on the end of turning arm 2, the described device that is movably walking is movably connected on jacking system. the end clamping hand 17 that the present embodiment is arranged on turning arm 2 can be multiple, angle ring is fixed, make its distortion little, simultaneously, can regulate the length of turning arm 2 by retractor device, be beneficial to the angle ring of different size and model, the scope of application of angle ring clamping device is increased, can have vertically and the free degree of horizontal direction clamping hand 17 by be movably walking device and jacking system in addition, be beneficial to and carry out assembly manipulation.
As the improvement of the present embodiment, described retractor device 1 is two hydraulic cylinder or the cylinders that oppositely arrange. Be rotated the adjustment of arm lengths by hydraulic cylinder or cylinder.
As the improvement of the present embodiment, described in the device that is movably walking be the sliding beam 3 of frame structure and the chute 4 that matches with sliding beam 3, described jacking system comprises column 5 and riser guide 6, described chute 4 is arranged on riser guide 6. Drive angle ring clamping device to do lifting and horizontal movement by riser guide 6 and chute sliding beam 3.
As the improvement of the present embodiment, described up-down rollers pressing system comprises snub pulley for supporting cylindrical shell and the upper pressure roller of vertical portion disposed thereon, the axis of described upper pressure roller and snub pulley is parallel to each other, upper pressure roller one end is provided with and compresses running roller 7, the other end is provided with lowering or hoisting gear 8, and described snub pulley comprises rotation running roller 9 and rotation running roller 9 is rotated to the variable frequency reducer motor 10 of driving. By variable frequency reducer motor 10, rotation running roller 9 is rotated to driving, thereby drives the rotation of cylindrical shell, thereby realize the welding combination to angle ring and cylindrical shell, ensure its circularity.
As the improvement of the present embodiment, described roller bench comprises carrying roller 11 and carrying roller mobile device 12. The carrying roller 11 of the present embodiment is at least two groups, be arranged on the both sides of cylinder body bottom, can play supporting and position-limiting action to cylindrical shell, can regulate the distance between two carrying rollers by carrying roller mobile device 12, thereby the cylindrical shell that adapts to different size and model, makes this device not be subject to the restriction of cylindrical shell model.
As the improvement of the present embodiment, described propelling movement locating and clamping apparatus comprises propelling movement clamping device 13, locating piece 14, and described propelling movement clamping device comprises claw 15 and claw pusher 16. Claw 15 can be fixed in body end surface by claw pusher 16, and by cylindrical shell push to locating piece 14 places form grip.
As the improvement of the present embodiment, also comprise base 20 and electric control system 21. Angle ring clamping device, up-down rollers pressing system, roller bench, propelling movement locating and clamping apparatus are all fixed on base 10, can carry out electrical control to this device by electric control system 21, be beneficial to and realize automation, make efficiency and reliability higher.
In addition, the lowering or hoisting gear 8, carrying roller mobile device 12, claw pusher 16 that also it should be noted that the present embodiment can be all the technological means known in those skilled in the art such as hydraulic press or cylinder.
The present invention has adopted brand-new cylindrical shell to hold round technology, the current outer cranse hoop circle generally using of industry or the inner support sired results packing technique of numerous and complicated are broken through, adopt PLC to control simultaneously, complete the assembling of angle ring with removable angle ring clamping device, and carry out the fixing adjusting of different model cylindrical shell by pushing locating and clamping apparatus and roller bench, greatly improve assembly work efficiency, reduce labor strength, improve the quality of angle ring and cylindrical shell assembling spot welding, improve the security reliability of work, strengthen the adaptability to the many kinds of multi-series, the progress of making a breakthrough property, there is higher popularization practical value. the present invention also has following technological merit:
1. broken through in prior art and needed cylindrical shell justify or extra internal stay tool is set from outer hoop, and then manually placed the technical bottleneck that angle ring process exists, reached the purpose of design of raising the efficiency, improve assembly quality.
2. by removable and possess the Special corner steel ring clamping device of lifting, spinfunction, having realized the mechanization of angle ring installs, improve the quality that angle ring is installed, and mate the especially large diameter angle ring of many kinds, greatly alleviate labor strength, solved the difficult problem that large-diameter cylinder body angle ring is installed.
3. the present invention also can realize the function to cylindrical shell fourth contact simultaneously, makes cylindrical shell carrying out fourth contact one time through holding round, after longitudinal seam welding again, improves cylindrical shell quality, saves the investment of a fourth contact equipment, has high economic worth.
4. the present invention is applicable to cylindrical shell, the especially major diameter of multiple different size such as the above diameter cylindrical shell of 5m, and the cylindrical shell inner support sired results harness such as expansion, oil cylinder brace type of researching and developing with respect to current part producer has higher safety and reliability.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. large-size cylinder body holds round and the mounting process method of angle ring, specifically comprises the following steps:
1) arrive suitable position according to the concrete fitted position mobile roller cartridge of cylindrical shell specification and angle ring and propelling movement locating and clamping apparatusPut, then cylindrical shell is roughly put on the roller of both sides;
2) by pushing locating and clamping apparatus, cylindrical shell is located, and detect cylindrical shell and whether steadily reliably lay;
3) with angle ring clamping device, angle ring clamping is drawn in, angle ring external diameter is shunk, less than cylinder internal diameter;
4) 90 ° of anglec of rotation steel ring clamping devices;
5) traveling angle steel ring unclamps to position suitable in cylindrical shell;
6) start up-down rollers pressing system, upper pressure roller is fallen, and angle ring is pressed on cylinder inboard wall, is compressing position and cylindrical shellSpot welding is fixed;
7) start snub pulley, drive cylindrical shell and angle ring to rotate to an angle, again corresponding compacted angle ring spot welding is fixed,Rotation successively, angle ring is pressed on cylinder inboard wall gradually, and order spot welding is firm;
8) when having rotated after a whole circle, angle ring clamping device shifts out cylindrical shell, gets back to initial original position;
9) workman enters cylindrical shell, by firm angular aperture steel ring connecting welding, so far completes the assembling spot welding work of an angle ring;
10) driving is sling cylindrical shell and moves a certain distance, according to above-mentioned steps 1)-9) by second angle ring spot welding support of cylindrical shellJustify.
2. large-size cylinder body according to claim 1 holds round and the mounting process method of angle ring, it is characterized in that: step 3)In, described angle ring is provided with opening.
3. the assembly equipment that the large-size cylinder body as described in as arbitrary in claim 1-2 holds round and the mounting process method of angle ring is used,It is characterized in that: comprise for angle ring being carried out to clamping, gathering and rotating to operate and there is multivariant angle ring and pressing from both sidesHold device, for angle ring being compressed to the up-down rollers pressing system that is fitted on cylindrical shell, for adjustment barrel body position alsoPassive roller bench, for cylindrical shell being carried out to the propelling movement locating and clamping apparatus of axial location clamping; Described angle steelCircle clamping device comprise rotarily actuate arm, clamp hand, the device that is movably walking, jacking system, described rotary actuation arm comprisesThe telescopic retractor device in two ends, be arranged on the turning arm at retractor device two ends, described retractor device is rotatable to be connected toBe movably walking on device, described clamping hand is arranged on the end of turning arm;
Described up-down rollers pressing system comprises snub pulley for supporting cylindrical shell and the upper pressure roller of vertical portion disposed thereon, described onThe axis of pressure roller and snub pulley is parallel to each other, and upper pressure roller one end is provided with compression running roller, and the other end is provided with lowering or hoisting gear,Described snub pulley comprises rotation running roller and rotation running roller is rotated to the variable frequency reducer motor of driving;
Described roller bench comprises carrying roller and carrying roller mobile device;
Described propelling movement locating and clamping apparatus comprises propelling movement clamping device, locating piece, and described propelling movement clamping device comprises claw and clawMobile device.
4. the assembly equipment that large-size cylinder body according to claim 3 holds round and the mounting process method of angle ring is used, itsBe characterised in that: described retractor device is two hydraulic cylinder or the cylinders that oppositely arrange.
5. the assembly equipment that large-size cylinder body according to claim 3 holds round and the mounting process method of angle ring is used, itsBe characterised in that: described in the device that is movably walking be movably connected on jacking system, described in the device that is movably walking be frame structureSliding beam and the chute matching with sliding beam, described jacking system comprises column and riser guide, described chute is arranged onOn riser guide.
6. the assembly equipment that large-size cylinder body according to claim 3 holds round and the mounting process method of angle ring is used, itsBe characterised in that: also comprise base, described angle ring clamping device, up-down rollers pressing system, roller bench, propelling movement locationClamping device is all fixed on base.
7. the assembly equipment that large-size cylinder body according to claim 3 holds round and the mounting process method of angle ring is used, itsBe characterised in that: also comprise PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163189.0A CN104759826B (en) | 2015-04-08 | 2015-04-08 | Large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510163189.0A CN104759826B (en) | 2015-04-08 | 2015-04-08 | Large-size cylinder body holds round and mounting process method and the assembly equipment thereof of angle ring |
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| CN104759826A CN104759826A (en) | 2015-07-08 |
| CN104759826B true CN104759826B (en) | 2016-05-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775248B (en) * | 2017-11-20 | 2023-09-19 | 无锡华联科技集团有限公司 | Angle steel assembling and assembling machine |
| CN110181190B (en) * | 2019-07-05 | 2024-02-09 | 江苏双友智能装备科技股份有限公司 | Barrel inner support ring and barrel assembly complete system device and production process thereof |
| CN118253925B (en) * | 2024-05-28 | 2024-08-09 | 中核兰州铀浓缩有限公司 | Automatic equipment for assembling flat steel ring and cylinder of uranium hexafluoride container |
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| SU1622113A1 (en) * | 1988-03-25 | 1991-01-23 | Специальное проектно-конструкторское бюро "Проектнефтегазспецмонтаж" | Arrangement for prewelding assembly of shell with stiffening rib |
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| ITMI20090506A1 (en) * | 2009-03-31 | 2010-10-01 | Promau Srl | DEVICE AND SYSTEM FOR THE POSITIONING OF CIRCULAR MANUFACTURED ITEMS IN WORK STATIONS |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2806959B1 (en) * | 1978-02-18 | 1979-06-13 | Stumpf Kg K | Support arrangement for large cylindrical load units, especially large pipes |
| SU1622113A1 (en) * | 1988-03-25 | 1991-01-23 | Специальное проектно-конструкторское бюро "Проектнефтегазспецмонтаж" | Arrangement for prewelding assembly of shell with stiffening rib |
| SU1542762A1 (en) * | 1988-04-04 | 1990-02-15 | Проектно-Конструкторский Технологический Институт Сельскохозяйственного Машиностроения | Clamping device |
| CN201720632U (en) * | 2010-06-04 | 2011-01-26 | 新疆新能钢结构有限责任公司 | Flange weld tooling bench |
| CN201841395U (en) * | 2010-10-28 | 2011-05-25 | 新疆威奥科技股份有限公司 | Shell ring horizontal assembly device |
| CN203426655U (en) * | 2013-06-25 | 2014-02-12 | 查特中汽深冷特种车（常州）有限公司 | Automatically conveying and round opening device for reinforcing ring inside cylindrical container |
| CN103934603A (en) * | 2014-05-07 | 2014-07-23 | 江苏巨鑫石油钢管有限公司 | Installation trolley of flanges on large-caliber steel tube and application method of installation trolley |
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| CN104759826A (en) | 2015-07-08 |
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