CN107824942A - One kind is used for the band T-shaped sheet material semi-automatic welding equipment of fillet - Google Patents
One kind is used for the band T-shaped sheet material semi-automatic welding equipment of fillet Download PDFInfo
- Publication number
- CN107824942A CN107824942A CN201710996973.9A CN201710996973A CN107824942A CN 107824942 A CN107824942 A CN 107824942A CN 201710996973 A CN201710996973 A CN 201710996973A CN 107824942 A CN107824942 A CN 107824942A
- Authority
- CN
- China
- Prior art keywords
- fillet
- sheet material
- shaped sheet
- welding
- clamping device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K9/16—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
- 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
-
- 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
Abstract
The invention discloses one kind to be used for the band T-shaped sheet material semi-automatic welding equipment of fillet, it includes base, first clamping device, second clamping device, transmission mechanism and swing mechanism, swing mechanism is arranged on base, transmission mechanism is arranged on swing mechanism side, and with first, second clamping device is engaged, first, second clamping device is symmetrically disposed at the top of swing mechanism, and it is respectively used to the T-shaped sheet material of clamping band fillet, and also include the first welding mechanism and the second welding mechanism, first, second welding mechanism is separately positioned on the first clamping device, on second clamping device, for carrying out contact weld operation to the T-shaped sheet material of band fillet.The present invention is realized to the firm clamping of the T-shaped sheet material of fillet and the regulation of auto-translating and welding gun claming angle, solving the Welding Problems with fillet T profile such as rib plate of ship body frame structure, gate arch crossbeam, having broken CO2Dolly welds the limitation of straight T profile, improves welding efficiency and quality and semi-automatic level.
Description
Technical field
The present invention relates to Ship Welding equipment technical field, more particularly to one kind to be used for the band T-shaped sheet material semiautomatic welding of fillet
Connect equipment.
Background technology
CO2Gas shielded arc welding is one of welding method common in enterprise production process, simple to operate, be adapted to automatic welding and
Comprehensive welding, wind loading rating is poor during welding, often in office operation.During using normal welding power supply, end of welding head fusing metal
It is not likely to form the axially free transition of balance, it usually needs it is quick-fried disconnected using short circuit and molten drop necking down, weld free degree phase with MIG
Than splashing more.It is good using appearance of weld during short circuiting transfer because protective gas used is cheap, plus using containing de-
The welding wire of oxygen agent can obtain the good quality solder joints of no internal flaw.
Therefore, during shipbuilding, CO2Gas shielded arc welding is applied to various sheet materials as main welding method
Welding.Wherein, ship enterprise generally use craft spot welding or CO2Dolly semiautomatic welding carries out operation to T profile, and welding finishes
After must be polished for a long time, manual work occur unavoidably deformation it is larger, quality is bad the problems such as, this just needs butt-welding fitting
Firework correction is carried out, whole operation process gets half the result with twice the effort, and efficiency is low.In addition, run into irregular complex T profile Welding Problems
When, such as welded hull floor frame structure, the crossbeam with gate arch and vertical purlin toe-end node structure, even if using CO2Dolly half
Automatic welding, regular straight structure can only also be welded, field operation worker must expend great energy could be smoothly
Complete whole welding process.To make similar Welding Problems be readily solved, operating efficiency and quality are effectively improved, being just badly in need of one kind can
With the welding equipment of welded bands fillet T profile, and the equipment need to have adaptive T profile fillet angle, semi-automation welding
Function.
The content of the invention
The present invention mainly solves the technical problem in the presence of prior art, and so as to provide, a kind of operating efficiency is high, welds
It is measured for the band T-shaped sheet material semi-automatic welding equipment of fillet to connect matter.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
Provided by the present invention for the band T-shaped sheet material semi-automatic welding equipment of fillet, it includes：
Base, in addition to the first clamping device, the second clamping device, transmission mechanism and swing mechanism, the swing mechanism
Be arranged on the base, the transmission mechanism is arranged on the swing mechanism side, and with first clamping device, second
Clamping device is engaged, and first clamping device and the second clamping device are symmetrically disposed at the top of the swing mechanism, and
The T-shaped sheet material of clamping band fillet is respectively used to, and also includes the first welding mechanism and the second welding mechanism, the first welding machine
Structure, the second welding mechanism are separately positioned on first clamping device, on the second clamping device, for T-shaped to the band fillet
Sheet material carries out contact weld operation.
Further, first clamping device is identical with the structure of second clamping device, wherein, first folder
Holding mechanism includes forearm, lower pressure wheel, upper pressure wheel, big roller and postbrachium, the upper pressure wheel and lower pressure wheel respectively rotatably arranged with
On the forearm, and the upper and lower pinch roller is in rolling contact cooperation with the panel with the T-shaped sheet material of fillet respectively, described big
Roller is arranged on the postbrachium, and the big roller is in rolling contact cooperation with the web with the T-shaped sheet material of fillet, before described
Arm and postbrachium are removably disposed in the swing mechanism both sides by fastening bolt.
Further, the swing mechanism includes rocker, the first lower link bar, the second lower link bar, long draw and oil hydraulic cylinder, institute
State oil hydraulic cylinder to be fixedly installed on the base by multiple bolts, described long draw one end is connected with the oil hydraulic cylinder, separately
One end is connected with first lower link bar, and first lower link bar is coaxially detachably connected with second lower link bar, and institute
State the first lower link bar and the second lower link bar is rotatably arranged on the rocker two sides respectively, the rocker is arranged on described
On base, and between the forearm and postbrachium, the forearm bottom and postbrachium bottom respectively also with first lower link bar,
One end sleeve connection of second lower link bar.
Further, the transmission mechanism include motor, double tooth sprocket, power wheel, reel chain, short chain, gear and
Commutator, the output shaft of the motor are connected by the commutator with the gear, and described short chain one end is set in institute
State on gear, the other end is set in the double tooth sprocket outboard gears, and the double tooth sprocket is rotatably arranged in institute
State on base, described reel chain one end is set on the double tooth sprocket inboard gear, and the other end is set in the power wheel
One end, the power wheel is rotatably arranged at the top of the rocker, and the power wheel both ends are also each passed through described first
Clamping device and the second clamping device, and the power wheel is mutually close to the panel with the T-shaped sheet material of fillet.
Further, the first welding mechanism is identical with the structure of the second welding mechanism, wherein, described first applies
Welding mechanism includes welding gun, lock and weldment, and the welding gun is located on the lock, and the lock is fixed by clamping screw to be set
Put in the weldment, the weldment is removably disposed on the forearm, and the clamping screw is used to adjust the welding gun
With the soldering angle between the T-shaped sheet material with fillet.
Further, the first rolling bearing and the second rolling bearing have also been positioned apart from the rocker top, it is described
First rolling bearing and the second rolling bearing are respectively sleeved at the power wheel both ends, and roll and coordinate with the power wheel.
The beneficial effects of the present invention are：Pass through the first clamping device, the second clamping device, transmission mechanism and oscillating machine
Structure, realize to the firm clamping of the T-shaped sheet material of band fillet and auto-translating, solve rib plate of ship body frame structure, gate arch crossbeam etc.
Welding Problems with fillet T profile, have broken CO2Dolly welds the limitation of straight T profile, when saving manual spot welding and polishing
Between.First welding mechanism and the second welding mechanism realize the regulation in welding gun claming angle direction, make welding gun adaptively band fillet T
The fillet angle of based plate, is effectively improved weld job efficiency and quality and welding is semi-automatic horizontal.Meanwhile this hair
Bright bulk shape is compact, and dutycycle is small, and construction cost is low, and operating personnel's labor intensity is low, and personal safety is guaranteed.
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 required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 be the present invention be used for the structural representation with the T-shaped sheet material semi-automatic welding equipment of fillet；
Fig. 2 is the structural representation for the first clamping device with the T-shaped sheet material semi-automatic welding equipment of fillet of the present invention
Figure；
Fig. 3 is the structural representation for the transmission mechanism with the T-shaped sheet material semi-automatic welding equipment of fillet of the present invention；
Fig. 4 is the structural representation for the swing mechanism with the T-shaped sheet material semi-automatic welding equipment of fillet of the present invention；
Fig. 5 is the structural representation for the first welding mechanism with the T-shaped sheet material semi-automatic welding equipment of fillet of the present invention
Figure.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Refering to shown in Fig. 1-5, of the invention is used for the band T-shaped sheet material semi-automatic welding equipment of fillet, and it includes：
Base 31, in addition to the first clamping device 1, the second clamping device 5, transmission mechanism 2 and swing mechanism 3, oscillating machine
Structure 3 is arranged on base 31, and transmission mechanism 2 is arranged on the side of swing mechanism 3, and with the first clamping device 1, the second clamping device
5 are engaged, and the first clamping device 1 and the second clamping device 5 are symmetrically disposed in the top of swing mechanism 3, and are respectively used to clamp
The band T-shaped sheet material 6 of fillet, and also include the first welding mechanism 4 and the second welding mechanism 9, the first welding mechanism 4, the second welding
Mechanism 9 is separately positioned on the first clamping device 1, on the second clamping device 5, for carrying out contact weld to the T-shaped sheet material 6 of band fillet
Operation.
The present invention is realized to band by the first clamping device 1, the second clamping device 5, transmission mechanism 2 and swing mechanism 3
The firm clamping of the T-shaped sheet material 6 of fillet and auto-translating, solve rib plate of ship body frame structure, gate arch crossbeam etc. with fillet T profile
Welding Problems, CO is broken2Dolly welds the limitation of straight T profile, saves manual spot welding and polishing time.First welding machine
The welding mechanism 9 of structure 4 and second realizes the regulation in welding gun claming angle direction, makes the welding gun adaptively circle with the T-shaped sheet material 6 of fillet
Angle angle, is effectively improved weld job efficiency and quality and welding is semi-automatic horizontal.Meanwhile entirety of the invention is outer
Type is compact, and dutycycle is small, and construction cost is low, and operating personnel's labor intensity is low, and personal safety is guaranteed.
Specifically, the first clamping device 1 is identical with the structure of the second clamping device 5, wherein, the first clamping device 1 includes
Forearm 11, lower pressure wheel 12, upper pressure wheel 13, big roller 14 and postbrachium 15, upper pressure wheel 13 and lower pressure wheel 12 respectively rotatably arranged with
On forearm 11, and upper and lower pinch roller (13,12) is in rolling contact cooperation, big roller 14 with the panel with the T-shaped sheet material 6 of fillet respectively
It is arranged on postbrachium 15, and big roller 14 is in rolling contact cooperation with the web with the T-shaped sheet material 6 of fillet, forearm 11 and postbrachium 15 are logical
Cross fastening bolt 16 and be removably disposed in the both sides of swing mechanism 3.In the present invention, the first clamping device 1 and the second folder are passed through
The T-shaped sheet material 6 of the clamping band fillet of mechanism 5 is held, is made between its upper pressure wheel 13 being transverse in successively on forearm 11 and lower pressure wheel 12, this
When, the cooperation of upper pressure wheel 13 and lower pressure wheel 12 rolls can be with the panel of the T-shaped sheet material 6 of positioning belt fillet, while is arranged on postbrachium 15
On big roller 14, the web with the T-shaped sheet material 6 of fillet is positioned, so as to improve welding quality and clamping stability.
Specifically, transmission mechanism 2 includes motor 21, double tooth sprocket 22, power wheel 23, reel chain 24, short chain 25, tooth
Wheel 26 and commutator 27, the output shaft of motor 21 are connected by commutator 27 with gear 26, and the one end of short chain 25 is set in tooth
On wheel 26, the other end is set in the double outboard gears of tooth sprocket 22, and double tooth sprocket 22 is rotatably arranged on base 31,
The one end of reel chain 24 is set on the double inboard gear of tooth sprocket 22, and the other end is set in one end of power wheel 23, power wheel 23
The top of rocker 32 is rotatably arranged in, the both ends of power wheel 23 are also each passed through the first clamping device 1 and the second clamping device 5,
And power wheel 23 is mutually close to the panel with the T-shaped sheet material 6 of fillet.By motor 21 work caused by kinetic energy passed through commutator 27
To gear 26, gear 26 is driven again to be transmitted power on power wheel 23 to short chain 25, reel chain 24 by double tooth sprocket 22,
Panel now with the T-shaped sheet material 6 of fillet is close to power wheel 23 so that with the T-shaped sheet material 6 of fillet by the rotation of power wheel 23 and
Translation carries out corresponding weld job.
Specifically, swing mechanism 3 includes rocker 32, the first lower link bar 33, the second lower link bar 37, long draw 34 and oil hydraulic cylinder
35, oil hydraulic cylinder 35 is fixedly installed on base 31 by multiple bolts 36, and the one end of long draw 34 is connected with oil hydraulic cylinder 35, another
End is connected with the first lower link bar 33, and the first lower link bar 33 is coaxially detachably connected with the second lower link bar 37, and the first lower link bar
33 and second lower link bar 37 be rotatably arranged in respectively on the two sides of rocker 32, rocker 32 is arranged on base 31, and is located at
Between forearm 11 and postbrachium 15, the bottom of forearm 11 and the bottom of postbrachium 15 respectively also with the first lower link bar 33, the second lower link bar 37
One end sleeve connection.During welding procedure, when running into sheet material welding T-shaped with fillet, pass through the oil pressure in swing mechanism 3
Cylinder 35, which works, gives long draw 34 1 vertical pulling force effects, long draw 34 is driven the first lower link bar 33 on the side of rocker 32
Rotate and shrink, the first lower link bar 33 is by coaxially driving the second lower link bar 37 to complete identical contractive action, so that forearm 11
On upper pressure wheel 13 and the T-shaped sheet material 6 of the clamping band fillet of lower pressure wheel 12 panel, the clamping band fillet T of big roller 14 on postbrachium 15
The web of based plate 6, power wheel 23 are close to the panel with the T-shaped sheet material 6 of fillet, complete to clamp and steady mobile；The is driven simultaneously
Adaptively semi-automation is welded in T-shaped rounded angle of sheet material angle, realization to welding gun 41 on one clamping device 1 and the second clamping device 5, really
Welding quality is protected, improves operating efficiency, and reduce construction cost.
Specifically, the first welding mechanism 4 is identical with the structure of the second welding mechanism 9, wherein, the first welding mechanism 4 includes
Welding gun 41, lock 42 and weldment 43, welding gun 41 are located on lock 42, and lock 42 is fixedly installed on weldment by clamping screw 44
On 43, weldment 43 is removably disposed on forearm 11, clamping screw 44 be used for adjust welding gun 41 with the T-shaped sheet material 6 of fillet it
Between soldering angle.Preferably, welding gun 41 uses CO2Gas protective welding gun, and and CO2Welding tractor is connected, cheap,
It is good using appearance of weld during short circuiting transfer, welded plus the high quality that no internal flaw can be obtained using the welding wire containing deoxidier
Joint.In the present embodiment, the position of the first welding mechanism 4 and the second welding mechanism 9 is corresponding with welding position respectively, and leads to
The regulation for crossing lock 42 and clamping screw 44 coordinates, and lock 42 can be twisted flexibly, facilitates welding gun 41 to be adjusted to optimal welding and makees
Industry angle, improve welding quality.
Preferably, the first rolling bearing 7 and the second rolling bearing 8, the first rolling have also been positioned apart from the top of rocker 32
The rolling bearing 8 of dynamic bearing 7 and second is respectively sleeved at the both ends of power wheel 23, and rolls and coordinate with power wheel 23.Pass through the first rolling
The rolling of the rolling bearing 8 of dynamic bearing 7 and second and power wheel 23 coordinates, and is effectively reduced the abrasion of power wheel 23, improves its work
The stationarity and service life of work.
More than, be only the present invention embodiment, but protection scope of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be all included within the scope of the present invention.Therefore, protection of the invention
Scope should be determined by the scope of protection defined in the claims.
Claims (6)
1. one kind is used for the band T-shaped sheet material semi-automatic welding equipment of fillet, including base, it is characterised in that also including the first clamping
Mechanism, the second clamping device, transmission mechanism and swing mechanism, the swing mechanism are arranged on the base, the driver
Structure is arranged on the swing mechanism side, and is engaged with first clamping device, the second clamping device, first clamping
Mechanism and the second clamping device are symmetrically disposed at the top of the swing mechanism, and are respectively used to the T-shaped sheet material of clamping band fillet, with
And also including the first welding mechanism and the second welding mechanism, the first welding mechanism, the second welding mechanism are separately positioned on institute
The first clamping device is stated, on the second clamping device, for carrying out contact weld operation to the T-shaped sheet material of the band fillet.
2. as claimed in claim 1 be used for the band T-shaped sheet material semi-automatic welding equipment of fillet, it is characterised in that first folder
It is identical with the structure of second clamping device to hold mechanism, wherein, first clamping device includes forearm, lower pressure wheel, upper pressure
Wheel, big roller and postbrachium, the upper pressure wheel and lower pressure wheel are rotatably arranged on the forearm respectively, and the upper and lower pressure
Wheel is in rolling contact cooperation with the panel with the T-shaped sheet material of fillet respectively, and the big roller is arranged on the postbrachium, and described
Big roller is in rolling contact cooperation with the web with the T-shaped sheet material of fillet, and the forearm and postbrachium are detachable by fastening bolt
Ground is arranged on the swing mechanism both sides.
3. as claimed in claim 2 be used for the band T-shaped sheet material semi-automatic welding equipment of fillet, it is characterised in that the oscillating machine
Structure includes rocker, the first lower link bar, the second lower link bar, long draw and oil hydraulic cylinder, and the oil hydraulic cylinder is fixed by multiple bolts and set
To put on the base, described long draw one end is connected with the oil hydraulic cylinder, and the other end is connected with first lower link bar,
First lower link bar is coaxially detachably connected with second lower link bar, and first lower link bar and the second lower link bar difference
It is rotatably arranged on the rocker two sides, the rocker is arranged on the base, and is located at the forearm and postbrachium
Between, the forearm bottom and postbrachium bottom respectively also with first lower link bar, one end sleeve connection of the second lower link bar.
4. as claimed in claim 3 be used for the band T-shaped sheet material semi-automatic welding equipment of fillet, it is characterised in that the driver
Structure includes motor, double tooth sprocket, power wheel, reel chain, short chain, gear and commutator, and the output shaft of the motor passes through
The commutator is connected with the gear, and described short chain one end is set on the gear, and the other end is set in described double
In toothrow sprocket wheel outboard gears, the double tooth sprocket is rotatably arranged on the base, and described reel chain one end is arranged
On the double tooth sprocket inboard gear, the other end is set in one end of the power wheel, and the power wheel is rotationally set
Put at the top of the rocker, the power wheel both ends are also each passed through first clamping device and the second clamping device, and institute
Power wheel is stated with the panel with the T-shaped sheet material of fillet to be mutually close to.
5. it is used for the band T-shaped sheet material semi-automatic welding equipment of fillet as described in claim 1-4 is any, it is characterised in that described
First welding mechanism is identical with the structure of the second welding mechanism, wherein, the first welding mechanism include welding gun, lock and
Weldment, the welding gun are located on the lock, and the lock is fixedly installed in the weldment by clamping screw, the weldering
Frame is removably disposed on the forearm, the clamping screw be used to adjusting the welding gun and the T-shaped sheet material of band fillet it
Between soldering angle.
6. as claimed in claim 4 be used for the band T-shaped sheet material semi-automatic welding equipment of fillet, it is characterised in that the rocker top
The first rolling bearing and the second rolling bearing, first rolling bearing and the second rolling bearing point have also been positioned apart from end
The power wheel both ends are not set in, and are rolled and coordinated with the power wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996973.9A CN107824942B (en) | 2017-10-20 | 2017-10-20 | Semi-automatic welding equipment for T-shaped plates with round corners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710996973.9A CN107824942B (en) | 2017-10-20 | 2017-10-20 | Semi-automatic welding equipment for T-shaped plates with round corners |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107824942A true CN107824942A (en) | 2018-03-23 |
| CN107824942B CN107824942B (en) | 2020-04-14 |
Family
ID=61648781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710996973.9A Active CN107824942B (en) | 2017-10-20 | 2017-10-20 | Semi-automatic welding equipment for T-shaped plates with round corners |
Country Status (1)
| Country | Link |
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| CN (1) | CN107824942B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140316Y (en) * | 2007-12-28 | 2008-10-29 | 鞍钢金属结构有限公司 | Apparatus for symmetrical fillet weld |
| CN201376160Y (en) * | 2009-04-13 | 2010-01-06 | 哈尔滨华崴焊切股份有限公司 | Automatic tracking device for air-pressure floating contact-type welding |
| CN201693274U (en) * | 2010-05-12 | 2011-01-05 | 吉林省兴隆自动焊割科技有限责任公司 | CO2 double-gun swing welding machine |
| CN105499861A (en) * | 2015-12-30 | 2016-04-20 | 浙江大学宁波理工学院 | Double-sided double-pendulum blind-zone-free welding tractor and welding method thereof |
| CN206010259U (en) * | 2016-09-09 | 2017-03-15 | 力帆实业(集团)股份有限公司 | The welding tooling of motor tricycle electricity piece mounting bracket |
-
2017
- 2017-10-20 CN CN201710996973.9A patent/CN107824942B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140316Y (en) * | 2007-12-28 | 2008-10-29 | 鞍钢金属结构有限公司 | Apparatus for symmetrical fillet weld |
| CN201376160Y (en) * | 2009-04-13 | 2010-01-06 | 哈尔滨华崴焊切股份有限公司 | Automatic tracking device for air-pressure floating contact-type welding |
| CN201693274U (en) * | 2010-05-12 | 2011-01-05 | 吉林省兴隆自动焊割科技有限责任公司 | CO2 double-gun swing welding machine |
| CN105499861A (en) * | 2015-12-30 | 2016-04-20 | 浙江大学宁波理工学院 | Double-sided double-pendulum blind-zone-free welding tractor and welding method thereof |
| CN206010259U (en) * | 2016-09-09 | 2017-03-15 | 力帆实业(集团)股份有限公司 | The welding tooling of motor tricycle electricity piece mounting bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107824942B (en) | 2020-04-14 |
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