CN104785967B - The injection boiler prefabricated work station of unit changeover portion casing and its processing technology - Google Patents
The injection boiler prefabricated work station of unit changeover portion casing and its processing technology Download PDFInfo
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- CN104785967B CN104785967B CN201510185160.2A CN201510185160A CN104785967B CN 104785967 B CN104785967 B CN 104785967B CN 201510185160 A CN201510185160 A CN 201510185160A CN 104785967 B CN104785967 B CN 104785967B
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- frame
- welding
- robot
- fixture
- crawl
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000001131 transforming Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 210000004209 Hair Anatomy 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
Abstract
The present invention proposes a kind of prefabricated work station of injection boiler unit changeover portion casing, including box frame welding mechanism, box frame inside weld welding mechanism and the AGV logistic cars connected by process；The box frame welding mechanism welding casing frame assembly is transported at the primary framework to box frame inside weld welding mechanism into primary framework, the AGV logistic cars, and the box frame inside weld welding mechanism welds primary framework into finished frame.Using the present invention, the advanced production technology of intellectuality, flexibility, automation can be introduced into conventionally manufactured industry, bring the transformation of efficient, friendly green production mode, realize the transition and upgrade of conventional industries.
Description
Technical field
Field, more particularly to a kind of injection boiler unit changeover portion casing are produced and processed the present invention relates to injection boiler unit
Prefabricated work station and its processing technology.
Background technology
Injection boiler unit changeover portion serves the effect of connection convection section and radiant section, behind injection boiler unit
Plate, which coordinates, prevents the direct heat of flame from washing away convection section tube bank.The welding that changeover portion casing is made up of steel plate, tube sheet, angle steel, channel-section steel
Structure, weld seam has internal weld seams, outside weld seam, and section bar intersection welding seam etc., and material is Q235, using MAG welding manners.
Changeover portion box parts size is larger, and have it is many need internally to implement welded seam, it is general to use in current production
Manually assembling, manual welding production mode, labor intensity is big, quality is unstable, efficiency is low, cost is high, needs a large amount of manpowers,
Therefore the quality and efficiency of changeover portion welding box body are to turn into the problem of modern production must be solved.
The content of the invention
The present invention proposes a kind of prefabricated work station of injection boiler unit changeover portion casing and its processing technology, eliminates craft
The work of erection welding, and steady quality, production efficiency are high.
The technical proposal of the invention is realized in this way：
The prefabricated work station of injection boiler unit changeover portion casing, including the box frame welding machine connected by process
Structure, box frame inside weld welding mechanism and AGV logistic cars；The box frame welding mechanism welding casing frame assembly
Into primary framework, the AGV logistic cars are transported at the primary framework to box frame inside weld welding mechanism, the casing frame
Frame inside weld welding mechanism welds primary framework into finished frame.Further, the box frame welding mechanism includes closing
The positioner A that makees to complete primary frame welding, the frame set being arranged on the positioner A to fixture A, crawl robot and
Welding robot, the positioner A drives frame set to rotate fixture A；Wherein crawl robot crawl box frame component is total
Into and be placed to the frame set on fixture A, the welding robot carries out tack welding to frame assembly.
Further, the box frame inside weld welding mechanism includes the positioner that cooperation completes finished frame processing welding
B, the frame set being arranged on positioner B drive to fixture B, pedestal robot and suspension type robot, the positioner B
Frame set rotates to fixture B；Wherein described frame set can clamp primary framework to fixture B, and the pedestal robot welding is just
Level framework inside weld, the primary framework outside weld of the suspension type robot welding and sleeve portion.
Further, the AGV logistic cars are Height Adjustable.
Further, the positioner B drives twin shaft positioner to be double, wherein an axle is provided with flange.
Further, the processing technology of the prefabricated work station of injection boiler unit changeover portion casing, comprises the following steps：
Step one：Crawl robot crawl back tube sheet assembly is simultaneously placed into frame set on fixture A, frame set is to fixture A
Clamp back tube sheet assembly；Positioner A rotates 180 degree, and crawl robot crawl front tube sheet assembly is arranged to frame set to fixture A
On, frame set clamps front tube sheet assembly to fixture A；Positioner A is rotated by 90 °；
Step 2：Crawl robot crawl side panel assembly is simultaneously placed into frame set on fixture A, frame set is pressed from both sides to fixture A
Tight side panel assembly；Crawl robot leaves installation site, welding robot solid point side panel assembly；Capture robot crawl reinforcement
Assembly is simultaneously placed into frame set on fixture A, frame set clamps reinforcement assembly to fixture A；Crawl robot leaves installation position
Put, welding robot solid point reinforcement assembly；
Step 3：Positioner A rotates 180 degree, and crawl robot captures second set of side panel assembly and is placed into frame set pair
On fixture A, frame set clamps second set of side panel assembly to fixture A；Crawl robot leaves installation site, welding robot solid point
Second set of side panel assembly；Crawl robot captures second set of reinforcement assembly and is placed into frame set on fixture A, frame set pair
Fixture A clamps second set of reinforcement assembly；Crawl robot leaves installation site, and second set of reinforcement of welding robot solid point is total
Into；
Step 4：The outside weld of welding robot full weld box frame and the girth joint of sleeve pipe, and form the primary frame of casing
Frame；
Further, step 5：After step 4, AGV materials vehicles run to frame set to fixture A lower sections, frame set
Primary framework is unclamped to fixture A, primary framework is dropped down onto on AGV logistic cars, in primary framework to the box frame of AGV logistic cars transport
At weld seam welding mechanism；
Step 6：Double drive twin shaft positioners are rotated to its flange downwards, and the primary framework of AGV logistic cars transport drives double to double
Below the flange of axle positioner, AGV logistic cars are promoted to specified altitude assignment, and frame set clamps primary framework, AGV logistics to fixture B
Car is removed, and double drive twin shaft positioners rotate 180 degrees to flange upwardly；Itself it is rotated by 90 ° in flange horizontal direction so that just
Level framework without side plate two facing to outside；
Step 7：The primary framework inside weld of pedestal robot welding, suspension type robot welding outside weld and sleeve ring
Weld seam, welding is finished；
Step 8：Double drive twin shaft positioners, which rotate, causes primary chassis base mouthful upwards, and crawl robot crawl bottom plate is total
Into and be placed on primary chassis base mouthful；Crawl robot holds floor pan assembly, pedestal robot and suspension type robot
Floor pan assembly tack welding is completed jointly；Pedestal robot full weld floor pan assembly
Box frame tentatively welding is finished.
Use technical solution of the present invention, it is possible to achieve assembling, group pair and the automated job welded of product, greatly improve
Production efficiency, can improve 10 times of production efficiency through calculating compared with original handwork, can save the people of labour 30, and drop
Low percent defective, is significantly increased product quality stability, reduces and wastes, reduces cost., can be by intelligence using the present invention
Change, flexibility, the advanced production technology of automation are introduced into conventionally manufactured industry, bring efficient, friendly, green production mode
Transformation, realizes the transition and upgrade of conventional industries.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the prefabricated work station structural representation of injection boiler unit changeover portion casing in the specific embodiment of the invention；
Fig. 2 is positioner B structure schematic diagram in the specific embodiment of the invention；
Fig. 3 is the primary circuit theory schematic diagram of positioner B structure schematic diagram casing in the specific embodiment of the invention；
Fig. 4 is casing chassis base assembly structure schematic diagram in the specific embodiment of the invention；
Fig. 5 is box frame finished product structure schematic diagram in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
In the specific embodiment of the invention, the changeover portion body structure component diagram shown in Fig. 3,4,5 is seen.Injection boiler machine
Group changeover portion casing be by side plate, steel plate, riser, front tube sheet, back tube sheet, angle steel, channel-section steel, I-steel, bottom plate, blowdown sleeve pipe,
The modular constructions such as flange disk cover are made of welded connection.The wherein corresponding channel-section steel solid point of back tube sheet forms the assembly of back tube sheet 201；
Front tube sheet, riser, steel plate, angle steel flange and corresponding channel-section steel solid point formation front tube sheet assembly 202；Two blocks of steel plates can put solid
Into a set of side panel assembly 203, I-steel and corresponding channel-section steel solid point can form reinforcement 204；Blowdown ring flange and blowdown sleeve pipe
Full weld formation blowdown flange 205；Blowdown flange 205 and bottom plate corresponding points solid are into floor pan assembly 206.Wherein between each component
Tack welding can be can also be manually mechanization production, do not repeat one by one herein.
See in Fig. 1, the specific embodiment of the invention, the prefabricated work station 100 of injection boiler unit changeover portion casing, including by work
Box frame welding mechanism 1, box frame inside weld welding mechanism 2 and the AGV logistic cars 3 of sequence connection；Box frame group
The welding casing frame assembly of butt welding machine structure 1 is into primary framework 200, and AGV logistic cars 3 transport primary framework 200 to box frame
At inside weld welding mechanism 2, box frame inside weld welding mechanism 2 welds primary framework 200 into finished frame.
Box frame welding mechanism 1 includes cooperation and completes the positioner A11 of primary frame welding, is arranged at positioner
Frame set on A11 is to fixture A12, crawl robot 13 and welding robot 14, and positioner A11 drives frame set to fixture
A12 rotates；Wherein crawl robot 13 crawl box frame modular assembly and frame set is placed to on fixture A12, the weldering
Welding robot 14 carries out tack welding to frame assembly.
Box frame inside weld welding mechanism 2 includes cooperation and completes the positioner B21 of finished frame processing welding, is arranged at
Frame set on positioner B21 is to fixture B22, pedestal robot 23 and suspension type robot 24, and positioner B21 drives frame
Frame group rotates to fixture B22；Frame set can clamp primary framework 200 to fixture B22, and pedestal robot 23 welds primary framework
200 inside weld, suspension type robot 24 welds the primary outside weld of framework 200 and sleeve portion.
In the specific embodiment of the invention, AGV logistic cars 3 are Height Adjustable, to meet wanting for different frames fixture height
Ask.
See in Fig. 2, the specific embodiment of the invention, positioner B21 is preferably double drive twin shaft positioners, wherein being set on an axle
There is flange 25.Flange is cuboid in accompanying drawing, it is clear that to be circular other can also be waited to be adapted to shape.
In the specific embodiment of the invention, the processing technology of the prefabricated work station of injection boiler unit changeover portion casing, including with
Lower step：
Step one：Crawl robot 13 crawl back tube sheet assembly is simultaneously placed into frame set on fixture A12, frame set is to folder
Have A12 and clamp back tube sheet assembly；Positioner A rotates 180 degree, and crawl robot 13 crawl front tube sheet assembly is arranged to frame set
To on fixture A12, frame set clamps front tube sheet assembly to fixture A12；Positioner A11 is rotated by 90 °；
Step 2：Crawl robot 13 crawl side panel assembly is simultaneously placed into frame set on fixture A12, frame set is to fixture
A12 clamps side panel assembly；Crawl robot 13 leaves installation site, the solid point side panel assembly of welding robot 14；Capture robot
13 crawl reinforcement assemblies are simultaneously placed into frame set on fixture A12, frame set clamps reinforcement assembly to fixture A12；Crawl
Robot 13 leaves installation site, the solid point reinforcement assembly of welding robot 14；
Step 3：Positioner A11 rotates 180 degree, and crawl robot 13 captures second set of side panel assembly and is placed into framework
Group is on fixture A12, frame set clamps second set of side panel assembly to fixture A12；Crawl robot 13 leaves installation site, welds
Robot 14 solid point, second set of side panel assembly；Crawl robot 13 captures second set of reinforcement assembly and is placed into frame set to folder
Have on A12, frame set clamps second set of reinforcement assembly to fixture A12；Crawl robot 13 leaves installation site, welding robot
People's 14 solid point, second set of reinforcement assembly；
Step 4：The outside weld of the full weld box frame of welding robot 14 and the girth joint of sleeve pipe, and it is primary to form casing
Framework 200；
Step 5：After step 4, AGV materials vehicles 3 run to frame set to below fixture A12, frame set is to fixture A
Primary framework 200 is unclamped, primary framework 200 is dropped down onto on AGV logistic cars 3, and AGV logistic cars 3 transport primary framework 200 to casing frame
At frame inside weld welding mechanism；
Step 6：It is double drive twin shaft positioners rotate to its flange 25 downwards, AGV logistic cars 3 transport primary framework 200 to
Double lower sections of flange 25 for driving twin shaft positioner, AGV logistic cars 3 are promoted to specified altitude assignment, and frame set clamps primary frame to fixture B22
Frame 200, AGV logistic cars 3 are removed, and double drive twin shaft positioners rotate 180 degree to from upwardly；Revolved in the horizontal direction of flange 25
Turn 90 degrees so that primary framework without side plate two facing to outside；
Step 7：Pedestal robot 23 welds primary framework inside weld, the welding outside weld of suspension type robot 24 and set
Pipe ring weld seam, welding is finished；
Step 8：Double drive twin shaft positioners, which rotate, causes the primary bottom plate mouthful of framework 200 upwards, crawl robot 13 crawl bottom
Plate assembly is simultaneously placed on the primary bottom plate of framework 200 mouthful；Crawl robot 13 holds floor pan assembly, pedestal robot 23 and outstanding
Hanging robot 24 jointly completes floor pan assembly tack welding；The full weld floor pan assembly again of pedestal robot 23；Casing frame
Frame tentatively welding is finished.
It can realize that the assembling of product, group are welded to automated job and intelligent robot using the present invention, reduce
Percent defective, is significantly increased product quality stability, reduces and wastes, reduces cost., can will be intelligent, soft using the present invention
Property, automation advanced production technology be introduced into conventionally manufactured industry, bring the transformation of efficient, friendly green production mode,
Realize the transition and upgrade of conventional industries.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (4)
1. the prefabricated work station of injection boiler unit changeover portion casing, including connected by process box frame welding mechanism,
Box frame inside weld welding mechanism and AGV logistic cars；The box frame welding mechanism welding casing frame assembly into
Primary framework, the AGV logistic cars are transported at the primary framework to box frame inside weld welding mechanism, the box frame
Inside weld welding mechanism welds primary framework into finished frame；It is characterized in that：
The box frame welding mechanism includes cooperation and completes the positioner A of primary frame welding, is arranged at the displacement
Frame set on machine A is to fixture A, crawl robot and welding robot, and the positioner A drives frame set to revolve fixture A
Turn；Wherein crawl robot crawl box frame component and the frame set is placed to on fixture A, the welding robot pair
Box frame component carries out tack welding；
The box frame inside weld welding mechanism includes cooperation and completes the positioner B of finished frame processing welding, is arranged at change
Frame set on the machine B of position is to fixture B, pedestal robot and suspension type robot, and the positioner B drives frame set to folder
Have B rotations；Wherein described frame set can be clamped to fixture B welds in primary framework, the primary framework of pedestal robot welding
Seam, the primary framework outside weld of the suspension type robot welding and sleeve portion.
2. the prefabricated work station of injection boiler unit changeover portion casing according to claim 1, it is characterised in that：The AGV
Logistic car is Height Adjustable.
3. the prefabricated work station of injection boiler unit changeover portion casing according to claim 2, it is characterised in that：The displacement
Machine B drives twin shaft positioner to be double, wherein an axle is provided with flange.
4. the prefabricated work station of injection boiler unit changeover portion casing described in a kind of claim 3 processes the processing of changeover portion casing
Technique, it is characterised in that comprise the following steps：
Step one：Crawl robot crawl back tube sheet assembly is simultaneously placed into frame set on fixture A, frame set is clamped to fixture A
Back tube sheet assembly；Positioner A rotates 180 degree, and crawl robot crawl front tube sheet assembly is arranged to frame set on fixture A,
Frame set clamps front tube sheet assembly to fixture A；Positioner A is rotated by 90 °；
Step 2：Crawl robot crawl side panel assembly is simultaneously placed into frame set on fixture A, frame set clamps side to fixture A
Plate assembly；Crawl robot leaves installation site, welding robot solid point side panel assembly；Capture robot crawl reinforcement assembly
And frame set is placed on fixture A, frame set clamps reinforcement assembly to fixture A；Crawl robot leaves installation site, welds
Welding robot solid point reinforcement assembly；
Step 3：Positioner A rotates 180 degree, and crawl robot captures second set of side panel assembly and is placed into frame set to fixture A
On, frame set clamps second set of side panel assembly to fixture A；Crawl robot leaves installation site, welding robot solid point second
Cover side panel assembly；Crawl robot captures second set of reinforcement assembly and is placed into frame set on fixture A, frame set is to fixture
A clamps second set of reinforcement assembly；Crawl robot leaves installation site, second set of reinforcement assembly of welding robot solid point；
Step 4：The outside weld of welding robot full weld box frame and the girth joint of sleeve pipe, and form the primary framework of casing；
Step 5：After step 4, AGV logistic cars run to frame set to below fixture A, frame set is unclamped just to fixture A
Level framework, primary framework is dropped down onto on AGV logistic cars, the primary framework of AGV logistic cars transport to box frame inside weld welding mechanism
Place；
Step 6：Double drive twin shaft positioners are rotated to its flange downwards, and the primary framework of AGV logistic cars transport to double drive twin shafts becomes
Below the flange of position machine, AGV logistic cars are promoted to specified altitude assignment, and frame set clamps primary framework to fixture B, and AGV logistic cars are moved
Open, double drive twin shaft positioners rotate 180 degrees to flange upwardly；Itself it is rotated by 90 ° in flange horizontal direction so that primary frame
Frame without side plate two facing to outside；
Step 7：The primary framework inside weld of pedestal robot welding, suspension type robot welding outside weld and sleeve pipe girth joint,
Welding is finished；
Step 8：Double drive twin shaft positioners, which rotate, causes primary chassis base mouthful upwards, and crawl robot crawl floor pan assembly is simultaneously
It is placed on primary chassis base mouthful；Crawl robot holds floor pan assembly, and pedestal robot and suspension type robot are common
Floor pan assembly tack welding is completed；The tentatively welding of pedestal robot full weld floor pan assembly box frame is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185160.2A CN104785967B (en) | 2015-04-20 | 2015-04-20 | The injection boiler prefabricated work station of unit changeover portion casing and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185160.2A CN104785967B (en) | 2015-04-20 | 2015-04-20 | The injection boiler prefabricated work station of unit changeover portion casing and its processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785967A CN104785967A (en) | 2015-07-22 |
| CN104785967B true CN104785967B (en) | 2017-10-13 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549384B2 (en) * | 1985-09-07 | 1993-07-26 | Kawasaki Heavy Ind Ltd | |
| US20040055129A1 (en) * | 2002-09-24 | 2004-03-25 | Abid Ghuman | Method of engineering a flexible process line |
| CN101758346A (en) * | 2008-12-12 | 2010-06-30 | 天津市正平机械新技术有限公司 | Welding tooling device of large box body |
| CN102699549B (en) * | 2012-06-20 | 2014-10-15 | 三一重工股份有限公司 | Roller automatic manufacturing device and method for manufacturing roller |
| CN102806414B (en) * | 2012-08-20 | 2014-09-03 | 上海锅炉厂有限公司 | Automatic welding process for full-through welding or non-full-through welding fillet weld of header pup joint |
| CN103042324A (en) * | 2012-12-12 | 2013-04-17 | 江苏迈能高科技有限公司 | Inner container clamp sleeve assembling process for solar water tank with clamp sleeve type heat exchange structure |
| CN203171157U (en) * | 2013-02-02 | 2013-09-04 | 六枝特区华兴管业制品有限公司 | Spiral continuous welding device |
| CN104002062B (en) * | 2013-02-27 | 2017-11-14 | 中国国际海运集装箱(集团)股份有限公司 | Container general assembly line and container total coating process |
| CN103192159B (en) * | 2013-04-23 | 2015-12-23 | 中国电子科技集团公司第三十八研究所 | A kind of welding robot workstation system for radar arrangement part |
| CN204771199U (en) * | 2015-04-20 | 2015-11-18 | 骏马石油装备制造有限公司 | Prefabricated workstation of steam injection boiler unit changeover portion box |
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