CN109434243A - A kind of narrow space fillet weld cantilever welding machine - Google Patents
A kind of narrow space fillet weld cantilever welding machine Download PDFInfo
- Publication number
- CN109434243A CN109434243A CN201811475774.4A CN201811475774A CN109434243A CN 109434243 A CN109434243 A CN 109434243A CN 201811475774 A CN201811475774 A CN 201811475774A CN 109434243 A CN109434243 A CN 109434243A
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- welding
- slide plate
- welding machine
- transverse moving
- motor
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- 238000003466 welding Methods 0.000 title claims abstract description 105
- 230000001737 promoting effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/0213—Narrow gap welding
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
-
- 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
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A kind of narrow space fillet weld cantilever welding machine, including hoisting mechanism, transverse moving mechanism, welding mechanism, electric controller and electric welding machine；Hoisting mechanism is vertically arranged, and transverse moving mechanism is arranged on hoisting mechanism, and hoisting mechanism drives transverse moving mechanism to move up and down；Welding mechanism is arranged on transverse moving mechanism, and welding mechanism can move on transverse moving mechanism；Welding mechanism connects electric welding machine, and electric welding machine connects electric controller；Hoisting mechanism and transverse moving mechanism are all connected to electric controller, and electric controller can control hoisting mechanism and transverse moving mechanism movement；Operation of the present invention is simple, digitlization, controllable precise.
Description
Technical field
The invention belongs to welding technology field, in particular to a kind of narrow space fillet weld cantilever welding machine.
Background technique
A large amount of utilizations of the electroplating equipment wielding machine in steel member welding, conventional electroplating equipment wielding machine have been difficult to meet component form multiplicity
The demand of change, it is various that gantry submerged arc welding machine welds 10mm or less plate process, and needs welding gun vertically and ground, forms fillet weld
Two part plates and ground shape in angle of 45 degrees, for small space within width 200mm, automatic submerged arc welding machine can not be complete
At；Under manual welding efficient, weldquality is difficult to control.
Summary of the invention
The purpose of the present invention is to provide a kind of narrow space fillet weld cantilever welding machines, to solve the above problems.
To achieve the above object, the invention adopts the following technical scheme:
A kind of narrow space fillet weld cantilever welding machine, including it is hoisting mechanism, transverse moving mechanism, welding mechanism, electrical
Controller and electric welding machine；Hoisting mechanism is vertically arranged, and transverse moving mechanism is arranged on hoisting mechanism, and hoisting mechanism drives laterally
Mobile mechanism moves up and down；Welding mechanism is arranged on transverse moving mechanism, and welding mechanism can be moved up in transverse moving mechanism
It is dynamic；Welding mechanism connects electric welding machine, and electric welding machine connects electric controller；Hoisting mechanism and transverse moving mechanism are all connected to electrically
Controller, electric controller can control hoisting mechanism and transverse moving mechanism movement；Electric welding machine is gas shielded arc welding；
Hoisting mechanism includes promoting motor, promoting column, vertically movable slide plate and driving chain；Column is promoted to set vertically
Set, promoted motor be arranged in promoted column top, vertically movable slide plate be arranged in promoted column shaft, the one of driving chain
End connection promotes motor output end, and the other end connects vertically movable slide plate, and promotion motor can be driven vertical by driving chain
Moving slide board is moved along column is promoted；It promotes motor and connects electric controller；
Transverse moving mechanism includes cantilever beam, traversing slide plate, horizontal drive motor, horizontal tooth bar and cross slide way；Cantilever
Beam is fixed on vertically movable slide plate, and cantilever beam is provided with two on cantilever beam perpendicular to column is promoted along its length
A cross slide way is provided with horizontal tooth bar between two cross slide ways, and two traversing slide plates are arranged on two cross slide ways, often
Horizontal drive motor is provided on a traversing slide plate, the output end of horizontal drive motor is provided with gear, gear and transverse teeth
Item engagement, horizontal drive motor drive traversing slide plate along cantilever beam transverse shifting；Horizontal drive motor connects electric controller；
Welding mechanism includes weld joint tracking mechanism, welding gun and welding gun adjusting mechanism；Weldering is provided on each traversing slide plate
Seam tracking structure, welding gun adjusting mechanism are arranged in weld joint tracking mechanism, and welding gun is arranged on welding gun adjusting mechanism.
Further, hoisting mechanism further includes vertical guide, and two vertical guides are arranged along strut length direction is promoted；It is perpendicular
Two rows of vertical pulleys are symmetrically arranged on moving slide board, two rows of vertical pulleys are stuck between two vertical guides；Vertically
Chain connecting pin is provided on moving slide board, driving chain is connect by chain connecting pin with vertically movable slide plate.
Further, two rows of lateral pulleys are provided on traversing slide plate, two rows of transverse direction pulleys are stuck in two transverse directions and lead
Between rail；Wire feeder bracket is further fixedly arranged on traversing slide plate, wire feeder bracket is concave-shaped structure, wire feeder branch
Frame is covered to be arranged on the outside of cantilever beam.
Further, welding gun adjusting mechanism includes welding gun clamping device, vertical adjusting screw, vertical adjusting knob and vertical
Adjusting screw clamping device；One end of vertical adjusting screw clamping device is fixed in weld joint tracking mechanism, and the other end is solid
Clamp holds vertical adjusting screw, is provided on vertical adjusting screw clamping device and moves up and down for adjusting vertical adjusting screw
Vertical adjusting knob；The top of vertical adjusting screw is provided with welding gun clamping device, and welding gun clamping device clamps welding gun.
Further, weld joint tracking mechanism is II weld joint tracking mechanism of GZQ-, and the end of weld joint tracking mechanism is provided with spy
Pole；Weld joint tracking mechanics controller, weld joint tracking mechanism attachment weld follower controller are provided on vertically movable slide plate；
It visits pole and is used for contact workpiece, acquire the longitudinally, laterally variable signal of welding groove and workpiece.
Further, it promotes uprights vertical to be fixed on walking carriage, driving motor is provided on walking carriage, platform of walking
Vehicle bottom is provided with wheel, and driving motor can drive vehicle wheel rotation；Trolley track, vehicle are provided on ground below walking carriage
Wheel is stuck on trolley track.
Further, welding platform is provided with below welding gun.
Compared with prior art, the present invention has following technical effect:
The present invention uses PLC control system, easy to operate, digitlization, controllable precise.
Solving gantry submerged-arc welding can not be to small space inside fillet welding.Reinforce welding gun pipette tips length and the fixed dress of welding gun
Length is set, reaches welding gun inside small space, changing pipette tips angle can easily allow pipette tips to reach welding position, and not shadow
Ring welding quality.
Using gas shield welding, welding cost is lower.Protect gas phase at low cost compared with solder flux, and submerged arc flux recycling increases people
Work cost.
Compare high-efficient with manual welding, welding quality is easy to control.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cantilever beam structure schematic diagram of the present invention；
Fig. 3 is the vertically movable skateboard figure of the present invention；
Fig. 4 is transverse moving mechanism main view of the present invention；
Fig. 5 is transverse moving mechanism rearview of the present invention；
Fig. 6 is transverse moving mechanism side view of the present invention；
Specific embodiment
Below in conjunction with attached drawing, the present invention is further described:
Please refer to Fig. 1 to Fig. 6, a kind of narrow space fillet weld cantilever welding machine, including hoisting mechanism, transverse shifting machine
Structure, welding mechanism, electric controller 29 and electric welding machine 30；Hoisting mechanism is vertically arranged, and transverse moving mechanism is arranged in elevator
On structure, hoisting mechanism drives transverse moving mechanism to move up and down；Welding mechanism is arranged on transverse moving mechanism, welding mechanism energy
It is enough to be moved on transverse moving mechanism；Welding mechanism connects electric welding machine 30, and electric welding machine 30 connects electric controller 29；Hoisting mechanism
It is all connected to electric controller 29 with transverse moving mechanism, electric controller 29 can control hoisting mechanism and transverse moving mechanism
Movement；29 model SIEMENS S7-200CN of electric controller.
Hoisting mechanism includes promoting motor 2, promoting column 4, vertically movable slide plate 7 and driving chain 5；It is perpendicular to promote column 4
Straight setting promotes motor 2 and the top for promoting column 4 is arranged in, and the shaft for promoting column 4, transmission is arranged in vertically movable slide plate 7
One end connection of chain 5 promotes 2 output end of motor, and the other end connects vertically movable slide plate 7, and transmission can be passed through by promoting motor 2
Chain 5 drives vertically movable slide plate 7 to move along column 4 is promoted；It promotes motor 2 and connects electric controller 29；Lifting column is by bolt
It is fixed on walking carriage, the driving motor of hoisting mechanism is mounted at the top of lifting column with bolt, and vertical guide is welded on promotion
Column two sides.
It promotes motor to be fixed by bolts at the top of lifting column, vertical sliding plate is fixed on transmission chain lower part by connecting pin, erects
V-shaped location wheel clamp on sliding plate, by the electrodeless driving of column top alternating current generator, passes through gear on two side rails of lifting column
Chain drive, vertical sliding plate drive cantilever beam to move in the vertical direction on lifting column.
Transverse moving mechanism includes cantilever beam 8, traversing slide plate 10, horizontal drive motor 11, horizontal tooth bar 9 and cross slide way
15；Cantilever beam 8 is fixed on vertically movable slide plate 7, and cantilever beam 8 is perpendicular to column 4 is promoted, along length on cantilever beam 8
Direction setting is provided with horizontal tooth bar 9 there are two cross slide way 15 between two cross slide ways 15, two traversing slide plates 10 are arranged
On two cross slide ways 15, be provided with horizontal drive motor 11 on each traversing slide plate 10, horizontal drive motor 11 it is defeated
Outlet is provided with gear, and gear is engaged with horizontal tooth bar 9, and horizontal drive motor 11 drives traversing slide plate 10 lateral along cantilever beam 8
It is mobile；Horizontal drive motor 11 connects electric controller 29；Vertical sliding plate and cantilever beam weld together, horizontal tooth bar and slot
Shape transverse shifting guide rail is respectively bolted on cantilever beam, and horizontal sliding block is bolted on traversing slide plate, traversing
Sliding block is stuck on flute profile transverse shifting guide rail, and horizontal drive motor is fixed by bolts on horizontal sliding plate, gear and motor shaft
Connection, gear are engaged with horizontal tooth bar, and horizontal driving motor band moving gear rotates, and horizontal sliding plate is moved along outrigger horizontal.
Welding mechanism includes weld joint tracking mechanism, welding gun 17 and welding gun adjusting mechanism；It is respectively provided on each traversing slide plate 10
There is weld joint tracking mechanism, welding gun adjusting mechanism is arranged in weld joint tracking mechanism, and welding gun 17 is arranged on welding gun adjusting mechanism.
Hoisting mechanism further includes vertical guide 3, and two vertical guides 3 are arranged along 4 length direction of column is promoted；It is vertically movable
Two rows of vertical pulleys 19 are symmetrically arranged on slide plate 7, two rows of vertical pulleys 19 are stuck between two vertical guides 3；Vertically
Chain connecting pin 20 is provided on moving slide board 7, driving chain 15 is connect by chain connecting pin 20 with vertically movable slide plate 7.
Be provided with two rows of lateral pulleys on traversing slide plate 10, two rows of transverse direction pulleys be stuck in two cross slide ways 15 it
Between；Wire feeder bracket 14 is further fixedly arranged on traversing slide plate 10, wire feeder bracket 14 is concave-shaped structure, wire feeder
14 sets of bracket are arranged on the outside of cantilever beam 8.
Welding gun adjusting mechanism includes welding gun clamping device 21, vertical adjusting screw 23, vertical adjusting knob 22 and vertical tune
Save lead screw clamping device 24；One end of vertical adjusting screw clamping device 24 is fixed in weld joint tracking mechanism, the other end
The vertical adjusting screw 23 of fixed clamp is provided with for adjusting vertical adjusting screw 23 on vertical adjusting screw clamping device 24
The vertical adjusting knob 22 of lower movement；The top of vertical adjusting screw 23 is provided with welding gun clamping device 21, welding gun clamping device
21 clamping welding guns 17.
Weld joint tracking mechanism is II weld joint tracking mechanism of GZQ-, and the end of weld joint tracking mechanism, which is provided with, visits pole 16；Vertically
Weld joint tracking mechanics controller 6, weld joint tracking mechanism attachment weld follower controller 6 are provided on moving slide board 7；Visit pole
16 are used for contact workpiece, acquire the longitudinally, laterally variable signal of welding groove and workpiece.II seam tracking system of GZQ- is by passing
The mechanical spy pole of sensor, II controller of GZQ- and executing agency's three parts composition, Weld joint tracker is fixed on execution with cylindrical shaft
Mechanism lower end, executing agency are mounted on horizontal sliding plate with bolt.It is mechanical to visit pole contact workpiece, acquire welding groove and
The longitudinally, laterally variable signal of workpiece is controlled X-axis-Y-axis slide unit linkage welding gun and is held by the processing, operation and conversion of controller
Row is accurately servo-actuated.
It promotes column 4 to be vertically fixed on walking carriage 26, driving motor 28, walking carriage is provided on walking carriage 26
26 bottoms are provided with wheel, and driving motor 28 can drive vehicle wheel rotation；Walking carriage is provided with trolley rail on 26 lower section ground
Road 27, wheel are stuck on trolley track 27.
Claims (7)
1. a kind of narrow space fillet weld cantilever welding machine, which is characterized in that including hoisting mechanism, transverse moving mechanism, welding
Mechanism, electric controller (29) and electric welding machine (30)；Hoisting mechanism is vertically arranged, and transverse moving mechanism is arranged in hoisting mechanism
On, hoisting mechanism drives transverse moving mechanism to move up and down；Welding mechanism is arranged on transverse moving mechanism, and welding mechanism can
It is moved on transverse moving mechanism；Welding mechanism connects electric welding machine (30), and electric welding machine (30) connects electric controller (29)；It is promoted
Mechanism and transverse moving mechanism are all connected to electric controller (29), and electric controller (29) can control hoisting mechanism and transverse direction
Mobile mechanism's movement；Electric welding machine (30) is gas shielded arc welding；
Hoisting mechanism includes promoting motor (2), promoting column (4), vertically movable slide plate (7) and driving chain (5)；Promote column
(4) it is vertically arranged, promotes motor (2) setting at the top for promoting column (4), vertically movable slide plate (7) setting is promoting column
(4) one end connection of shaft, driving chain (5) promotes motor (2) output end, and the other end connects vertically movable slide plate (7), mentions
Lifting motor (2) can drive vertically movable slide plate (7) mobile along column (4) are promoted by driving chain (5)；It is promoted motor (2)
It connects electric controller (29)；
Transverse moving mechanism includes cantilever beam (8), traversing slide plate (10), horizontal drive motor (11), horizontal tooth bar (9) and transverse direction
Guide rail (15)；Cantilever beam (8) is fixed on vertically movable slide plate (7), and cantilever beam (8) is hanged perpendicular to column (4) are promoted
On arm beam (8) there are two settings along its length cross slide way (15), horizontal tooth bar is provided between two cross slide ways (15)
(9), two traversing slide plates (10) are arranged on two cross slide ways (15), are provided with lateral drive on each traversing slide plate (10)
Dynamic motor (11), the output end of horizontal drive motor (11) are provided with gear, and gear is engaged with horizontal tooth bar (9), laterally driven
Motor (11) drives traversing slide plate (10) along cantilever beam (8) transverse shifting；Horizontal drive motor (11) connects electric controller
(29)；
Welding mechanism includes weld joint tracking mechanism, welding gun (17) and welding gun adjusting mechanism；It is respectively provided on each traversing slide plate (10)
There is weld joint tracking mechanism, welding gun adjusting mechanism is arranged in weld joint tracking mechanism, and welding gun (17) is arranged on welding gun adjusting mechanism.
2. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that hoisting mechanism also wraps
It includes vertical guide (3), two vertical guides (3) are arranged along column (4) length direction is promoted；It is symmetrical on vertically movable slide plate (7)
Two rows of vertical pulleys (19) are provided with, two rows of vertical pulleys (19) are stuck between two vertical guides (3)；Vertically movable cunning
It is provided on plate (7) chain connecting pin (20), driving chain (15) is connected by chain connecting pin (20) and vertically movable slide plate (7)
It connects.
3. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that traversing slide plate (10)
On be provided with two rows of lateral pulleys, two rows of transverse direction pulleys are stuck between two cross slide ways (15)；On traversing slide plate (10)
It is further fixedly arranged on wire feeder bracket (14), wire feeder bracket (14) is concave-shaped structure, wire feeder bracket (14) set
It is arranged on the outside of cantilever beam (8).
4. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that welding gun adjusting mechanism
Including welding gun clamping device (21), vertical adjusting screw (23), vertical adjusting knob (22) and vertical adjusting screw clamping device
(24)；One end of vertical adjusting screw clamping device (24) is fixed in weld joint tracking mechanism, and other end fixed clamp is perpendicular
Straight adjusting screw (23) is provided on vertical adjusting screw clamping device (24) and moves down on vertical adjusting screw (23) for adjusting
Dynamic vertical adjusting knob (22)；The top of vertical adjusting screw (23) is provided with welding gun clamping device (21), and welding gun clamps dress
Set (21) clamping welding gun (17).
5. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that weld joint tracking mechanism
For II weld joint tracking mechanism of GZQ-, the end of weld joint tracking mechanism, which is provided with, visits pole (16)；It is provided on vertically movable slide plate (7)
Weld joint tracking mechanics controller (6), weld joint tracking mechanism attachment weld follower controller (6)；Pole (16) are visited for contacting
Workpiece acquires the longitudinally, laterally variable signal of welding groove and workpiece.
6. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that promoted column (4)
It is vertically fixed on walking carriage (26), is provided on walking carriage (26) driving motor (28), walking carriage (26) bottom is set
It is equipped with wheel, driving motor (28) can drive vehicle wheel rotation；Trolley track is provided on ground below walking carriage (26)
(27), wheel is stuck on trolley track (27).
7. a kind of narrow space fillet weld cantilever welding machine according to claim 1, which is characterized in that setting below welding gun
There are welding platform (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475774.4A CN109434243A (en) | 2018-12-04 | 2018-12-04 | A kind of narrow space fillet weld cantilever welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475774.4A CN109434243A (en) | 2018-12-04 | 2018-12-04 | A kind of narrow space fillet weld cantilever welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109434243A true CN109434243A (en) | 2019-03-08 |
Family
ID=65557552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811475774.4A Pending CN109434243A (en) | 2018-12-04 | 2018-12-04 | A kind of narrow space fillet weld cantilever welding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109434243A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091370A (en) * | 2020-08-31 | 2020-12-18 | 浙江省建工集团有限责任公司 | Moving mechanism for submerged-arc welding of H-shaped steel |
| CN112091382A (en) * | 2020-08-31 | 2020-12-18 | 浙江省建工集团有限责任公司 | Be used for H shaped steel submerged arc welding frock |
| CN112207576A (en) * | 2020-08-31 | 2021-01-12 | 浙江省建工集团有限责任公司 | H shaped steel intelligence apparatus for producing |
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| JPH0839242A (en) * | 1992-01-14 | 1996-02-13 | Kanichi Minazu | Welding method and its equipment |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091370A (en) * | 2020-08-31 | 2020-12-18 | 浙江省建工集团有限责任公司 | Moving mechanism for submerged-arc welding of H-shaped steel |
| CN112091382A (en) * | 2020-08-31 | 2020-12-18 | 浙江省建工集团有限责任公司 | Be used for H shaped steel submerged arc welding frock |
| CN112207576A (en) * | 2020-08-31 | 2021-01-12 | 浙江省建工集团有限责任公司 | H shaped steel intelligence apparatus for producing |
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