CN112475709A - Welding system for steel structure bridge - Google Patents
Welding system for steel structure bridge Download PDFInfo
- Publication number
- CN112475709A CN112475709A CN202011085470.4A CN202011085470A CN112475709A CN 112475709 A CN112475709 A CN 112475709A CN 202011085470 A CN202011085470 A CN 202011085470A CN 112475709 A CN112475709 A CN 112475709A
- Authority
- CN
- China
- Prior art keywords
- welding
- frame
- supporting
- strip
- steel structure
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 84
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 230000001154 acute effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000761557 Lamina Species 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
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
- 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
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a welding system for a steel structure bridge, which comprises a supporting device, a guide rail, a movable bracket, a first driving device and a welding device, wherein the guide rail is arranged on the supporting device; the supporting device is provided with a supporting surface which extends transversely and is obliquely arranged towards the upper left and used for supporting the steel structure, and the lower end of the supporting surface is provided with a plurality of abutting blocks which are arranged at intervals transversely; the guide rail extends along the transverse direction; the movable bracket can be arranged on the guide rail in a transverse sliding manner; the first driving device drives the movable bracket to slide along the transverse direction; the welding device comprises a plurality of welding guns which are arranged in the longitudinal direction, wherein each welding gun is positioned above the supporting surface, has the same distance with the supporting surface in the vertical direction, and is arranged on the movable support. The technical scheme provided by the invention has the beneficial effects that: the welding efficiency of steel construction can be improved, to the welding of a plurality of pterygoid lamina and web, the same welding quality can be guaranteed. The support surface is obliquely arranged, so that the welding tip of the welding gun faces downwards, the angle between the welding gun and the web plate and the angle between the welding gun and the wing plate can be set to be an acute angle, and the welding can be better carried out.
Description
Technical Field
The invention relates to the technical field of welding processing, in particular to a welding system for a steel structure bridge.
Background
With the rapid development of urban construction in China, steel structure bridges are widely applied to railways, highways and the like, large steel structure bridges are generally spliced in workshops and then delivered out of factories for transportation, welding operation needs to be carried out on all directions of the bridges in the splicing process, a support frame needs to be used for supporting a steel structure during welding operation so as to facilitate welding operation, and in the prior art, the welding efficiency of the used welding device and the support frame structure is low.
Disclosure of Invention
In view of the above, to solve the above problems, embodiments of the present invention provide a welding system for a steel structure bridge.
The embodiment of the invention provides a welding system for a steel structure bridge, which comprises:
the supporting device is provided with a supporting surface which extends transversely and is obliquely arranged towards the upper left and used for supporting the steel structure, the lower end of the supporting surface is provided with a plurality of abutting blocks which are arranged at intervals transversely, and one side of each abutting block, which faces the supporting surface, is used for abutting against the steel structure;
the guide rail extends along the transverse direction and is arranged on one side of the supporting device;
the movable bracket can be arranged on the guide rail in a transverse sliding mode;
the first driving device drives the movable bracket to slide along the transverse direction; and the number of the first and second groups,
and the welding device comprises a plurality of welding guns which are arranged in the longitudinal direction, wherein each welding gun is positioned above the supporting surface, has the same vertical distance with the supporting surface, and is arranged on the movable bracket.
Further, the movable support comprises a longitudinally extending frame, a vertically extending frame and a strip-shaped frame, wherein the longitudinally extending frame is formed by bending one end of the longitudinally extending frame downwards, the lower end of the vertically extending frame can be installed on the guide rail in a transverse sliding mode, the strip-shaped frame is parallel to the supporting surface along the longitudinal extending direction, one end of the strip-shaped frame is connected with the longitudinally extending frame, the other end of the strip-shaped frame is connected with the vertically extending frame, and the welding guns are fixed on the strip-shaped frame.
Further, the inclination angle of the strip-shaped frame is 30-60 degrees.
Further, the inclination angle of the strip-shaped frame is 45 degrees.
Furthermore, the left end and the right end of the longitudinal extending frame are respectively bent downwards to form two vertical extending frames, the left side and the right side of the supporting device are respectively provided with one guide rail, and the lower ends of the two vertical extending frames can be respectively installed on the two guide rails in a transverse sliding mode.
Furthermore, a plurality of welding guns can be installed on the strip-shaped frame in a sliding mode along the direction of the strip-shaped frame, and the second driving device drives the welding guns to slide along the direction of the strip-shaped frame.
Further, the second driving device comprises a plurality of driving mechanisms and a rack, and the driving mechanisms comprise driving motors and gears;
the rack extends along the direction of the strip-shaped frame and is fixed on the strip-shaped frame, a driving motor is fixed on each welding gun, a rotating shaft of each driving motor extends along the transverse direction, the gear is fixed on the rotating shaft of each driving motor and is meshed with the rack, and the driving motors drive the gears to rotate so as to drive the welding guns to move in the extending direction of the strip-shaped frame.
Further, strutting arrangement includes that a plurality of triangular prism that are set up and along the support frame of horizontal extension, and is a plurality of the support frame sets up at horizontal interval, adjacent two connect through a plurality of supporting beam along horizontal extension between the support frame.
Further, the support frame middle part is the fretwork setting, is right triangle on the section and sets up, including right angle base, right angle vertical limit and hypotenuse, adjacent two through a plurality of between the hypotenuse of support frame a supporting beam connects.
Furthermore, a supporting rod is fixed in the supporting frame, the supporting rod extends vertically, one end of the supporting rod is connected with the bottom edge of the right angle, and the other end of the supporting rod is connected with the middle of the bevel edge.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: after the web of steel construction was placed on strutting arrangement's holding surface, utilize a drive arrangement drive movable support along lateral sliding, can utilize a plurality of welder to weld the junction between a plurality of pterygoid laminas and the web simultaneously, can improve the welding efficiency of steel construction, the distance between a plurality of welder and the web is the same and the moving speed in horizontal is the same, to the welding of a plurality of pterygoid laminas and web, can guarantee the same welding quality. The support surface is obliquely arranged, so that the welding tip of the welding gun faces downwards, the angle between the welding gun and the web plate and the angle between the welding gun and the wing plate can be set to be an acute angle, and the welding can be better carried out.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a welding system for a steel structure bridge according to the present invention.
In the figure: the welding device comprises a supporting device 1, a supporting surface 1a, a supporting frame 11, a right-angle bottom 11a, a right-angle vertical edge 11b, a bevel edge 11c, a supporting beam 12, a supporting rod 13, a guide rail 2, a moving support 3, a longitudinal extending frame 31, a vertical extending frame 32, a strip-shaped frame 33, a resisting block 4, a welding gun 5, a web 6 and a wing plate 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a welding system for a steel structure bridge, including a supporting device 1, a guide rail 2, a moving bracket 3, a first driving device, and a welding device.
The supporting device 1 is provided with a supporting surface 1a which extends transversely (forwards and backwards) and is obliquely arranged towards the upper left side and used for supporting a steel structure, the lower end of the supporting surface 1a is provided with a plurality of abutting blocks 4 which are arranged transversely at intervals, and one side, facing the supporting surface 1a, of each abutting block 4 is used for abutting against the steel structure. Support arrangement 1 as long as have above-mentioned holding surface 1a, in this embodiment, support arrangement 1 includes that a plurality of triangular prism that are set up and along the support frame 11 of horizontal extension, supports dog 4 and locates the 11 lower extremes of support frame, and is a plurality of support frame 11 sets up at horizontal interval, adjacent two connect through a plurality of supporting beam 12 along horizontal extension between the support frame 11, under the prerequisite of guaranteeing support arrangement 1 intensity, reducible support arrangement 1's material and the space that occupies.
Further, 11 middle parts of support frame are the fretwork setting, are right triangle on the section and set up, including right angle base 11a, right angle vertical side 11b and hypotenuse 11c, reducible support frame 11 materials, adjacent two through a plurality of between 11c of hypotenuse of support frame 11a supporting beam 12 connects, can strengthen hypotenuse 11 c's support intensity, and the side of hypotenuse 11c forms holding surface 1 a. Support frame 11 internal fixation has bracing piece 13, bracing piece 13 is along vertical extension, one end with right angle base 11a is connected, the other end with hypotenuse 11c middle part is connected, can further strengthen hypotenuse 11 c's support intensity to the reinforcing steel construction is placed the stability on strutting arrangement 1.
The guide rail 2 extends along the transverse direction and is arranged on one side of the supporting device 1, the movable support 3 can be arranged on the guide rail 2 in a transverse sliding mode, and the first driving device drives the movable support 3 to slide along the transverse direction. The welding device comprises a plurality of welding guns 5 which are arranged in the longitudinal direction, wherein each welding gun 5 is positioned above the supporting surface 1a, has the same distance with the supporting surface 1a in the vertical direction, and is arranged on the movable bracket 3.
Need to weld a plurality of pterygoid laminas 7 on the web 6 of steel construction, place the web 6 of steel construction on strutting arrangement 1's holding surface 1a back, utilize first drive arrangement drive to remove support 3 along lateral sliding, can utilize a plurality of welder 5 to weld the junction between a plurality of pterygoid laminas 7 and web 6 simultaneously, can improve the welding efficiency of steel construction, the distance between a plurality of welder 5 and the web 6 is the same and the removal velocity in horizontal is the same, to the welding of a plurality of pterygoid laminas 7 and web 6, can guarantee the same welding quality. The support surface 1a is inclined so that the welding tip of the welding gun 5 faces downward, and the angle between the welding gun 5 and the web 6 and the wing plate 7 can be set to be an acute angle, thereby better welding can be performed.
In this embodiment, the movable support 3 includes the longitudinal extension frame 31, the vertical extension frame 32 and the strip frame 33 of vertical (left and right) extension, the vertical extension frame 32 certainly the downward bending type of longitudinal extension frame 31 one end becomes, the vertical extension frame 32 lower extreme can be followed horizontal slidable mounting in on the guide rail 2, the strip frame 33 along longitudinal extension and with holding surface 1a is parallel, one end with the longitudinal extension frame 31 is connected, the other end with the vertical extension frame 32 is connected, and is a plurality of welder 5 is fixed in on the strip frame 33, the setting of strip frame 33 can play the supporting role to the longitudinal extension frame 31 to reinforcing longitudinal extension frame 31's stability avoids welder 5 to rock on movable support 3.
The inclination angle of the strip-shaped frame 33 is 30-60 degrees, preferably, the inclination angle of the strip-shaped frame 33 is 45 degrees, so that the welding areas of the web 6 and the wing plate 7 are the same, and the welding strength can be further improved.
Both ends are down buckled respectively about longitudinal extension frame 31 and are formed two vertical extension frame 32, the strutting arrangement 1 left and right sides is equipped with one respectively guide rail 2, two vertical extension frame 32 lower extreme can be followed horizontal slidable mounting respectively in two on the guide rail 2, can strengthen the stability of moving movable support 3 horizontal migration to improve welding quality.
Further, a plurality of welding guns 5 can be slidably mounted on the strip-shaped frame 33 along the direction of the strip-shaped frame 33, a second driving device drives the welding guns 5 to slide along the direction of the strip-shaped frame 33, and the distance between the welding guns 5 can be adjusted, so that the welding gun is suitable for steel structures with different distances between adjacent wing plates 7.
The second driving device can be a cylinder, a hydraulic cylinder and the like, in the embodiment, the second driving device comprises a plurality of driving mechanisms and a rack, and the driving mechanisms comprise driving motors and gears; the rack extends along the direction of the strip-shaped frame 33 and is fixed on the strip-shaped frame 33, a driving motor is fixed on each welding gun 5, a rotating shaft of the driving motor extends along the transverse direction, the gear is fixed on the rotating shaft of the driving motor and is meshed with the rack, the driving motor drives the gear to rotate so as to drive the welding guns 5 to move in the extending direction of the strip-shaped frame 33, the structure is simple, each driving mechanism independently controls each welding gun 5, and the distance between each two adjacent welding guns 5 can be adjusted according to different intervals.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a welding system for steel structure bridge which characterized in that includes:
the supporting device is provided with a supporting surface which extends transversely and is obliquely arranged towards the upper left and used for supporting the steel structure, the lower end of the supporting surface is provided with a plurality of abutting blocks which are arranged at intervals transversely, and one side of each abutting block, which faces the supporting surface, is used for abutting against the steel structure;
the guide rail extends along the transverse direction and is arranged on one side of the supporting device;
the movable bracket can be arranged on the guide rail in a transverse sliding mode;
the first driving device drives the movable bracket to slide along the transverse direction; and the number of the first and second groups,
and the welding device comprises a plurality of welding guns which are arranged in the longitudinal direction, wherein each welding gun is positioned above the supporting surface, has the same vertical distance with the supporting surface, and is arranged on the movable bracket.
2. The welding system for the steel structure bridge, according to claim 1, wherein the movable support comprises a longitudinally extending frame, a vertically extending frame and a strip frame, the longitudinally extending frame is formed by bending one end of the longitudinally extending frame downwards, the lower end of the vertically extending frame can be installed on the guide rail in a sliding mode along the transverse direction, the strip frame extends longitudinally and is parallel to the supporting surface, one end of the strip frame is connected with the longitudinally extending frame, the other end of the strip frame is connected with the vertically extending frame, and the welding guns are fixed on the strip frame.
3. The welding system for steel structural bridges of claim 2, wherein the inclination angle of the racks is 30-60 °.
4. The welding system for steel structural bridges of claim 3, wherein the inclination angle of the strip-shaped frame is 45 °.
5. The welding system for the steel structure bridge as claimed in claim 2, wherein the left and right ends of the longitudinal extending frame are respectively bent downwards to form two vertical extending frames, the left and right sides of the supporting device are respectively provided with one guide rail, and the lower ends of the two vertical extending frames are respectively slidably mounted on the two guide rails along the transverse direction.
6. The welding system for a steel structural bridge of claim 2, wherein a plurality of welding guns are slidably installed on the rack in a direction of the rack, and the second driving means drives the welding guns to slide in the direction of the rack.
7. The welding system for a steel structural bridge of claim 6, wherein the second driving means comprises a plurality of driving mechanisms and a rack, the driving mechanisms comprising a driving motor and a gear;
the rack extends along the direction of the strip-shaped frame and is fixed on the strip-shaped frame, a driving motor is fixed on each welding gun, a rotating shaft of each driving motor extends along the transverse direction, the gear is fixed on the rotating shaft of each driving motor and is meshed with the rack, and the driving motors drive the gears to rotate so as to drive the welding guns to move in the extending direction of the strip-shaped frame.
8. The welding system for a steel structural bridge of claim 1, wherein the supporting means comprises a plurality of supporting frames arranged in a triangular prism shape and extending in a transverse direction, the plurality of supporting frames are arranged at intervals in the transverse direction, and two adjacent supporting frames are connected by a plurality of supporting beams extending in the transverse direction.
9. The welding system for the steel structure bridge of claim 8, wherein the middle parts of the support frames are hollowed out, the cross sections of the support frames are right-angled triangles, the support frames comprise right-angled bases, right-angled vertical sides and oblique sides, and the oblique sides of two adjacent support frames are connected through a plurality of the support beams.
10. The welding system for steel structure bridges of claim 9, wherein a support rod is fixed in the support frame, the support rod extends vertically, one end of the support rod is connected with the bottom edge of the right angle, and the other end of the support rod is connected with the middle part of the bevel edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085470.4A CN112475709A (en) | 2020-10-12 | 2020-10-12 | Welding system for steel structure bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085470.4A CN112475709A (en) | 2020-10-12 | 2020-10-12 | Welding system for steel structure bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112475709A true CN112475709A (en) | 2021-03-12 |
Family
ID=74926763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011085470.4A Pending CN112475709A (en) | 2020-10-12 | 2020-10-12 | Welding system for steel structure bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112475709A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002982U (en) * | 2010-10-22 | 2012-05-03 | 송영대 | Turning Supporter for H-beam Welding |
| CN104028938A (en) * | 2014-06-23 | 2014-09-10 | 铜陵有色建安钢构有限责任公司 | H-shaped steel double-surface welding device |
| CN104416282A (en) * | 2013-09-11 | 2015-03-18 | 天津市津莆钢结构有限公司 | Bilateral numerical control electroslag welding device |
| CN204843397U (en) * | 2015-08-29 | 2015-12-09 | 河南真牛起重机有限公司 | Box roof beam weld holder |
| CN105171204A (en) * | 2015-10-21 | 2015-12-23 | 江苏京沪重工有限公司 | Welding production line and construction method for bridge plate unit |
| CN107775207A (en) * | 2017-10-24 | 2018-03-09 | 贵州汇通申发钢结构有限公司 | A kind of bridge welding device and bridge welding method |
| CN207563983U (en) * | 2017-12-11 | 2018-07-03 | 山东中琦环保设备制造有限公司 | A kind of boiler steel component box-girder and H profile steel fast direct wire bonding connection device |
| CN109590581A (en) * | 2018-12-29 | 2019-04-09 | 武船重型工程股份有限公司 | A kind of bridge steel automatic welding machine |
| CN210080928U (en) * | 2019-05-12 | 2020-02-18 | 中国水利水电第五工程局有限公司 | Adjustable submerged-arc welding tool for H-shaped beam |
| CN210306397U (en) * | 2019-06-24 | 2020-04-14 | 重庆吉旺钢结构工程有限公司 | Automatic welding device for H-shaped steel production line |
| CN210997216U (en) * | 2019-08-15 | 2020-07-14 | 江南造船(集团)有限责任公司 | Fillet welding supporting device and fillet welding equipment |
-
2020
- 2020-10-12 CN CN202011085470.4A patent/CN112475709A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002982U (en) * | 2010-10-22 | 2012-05-03 | 송영대 | Turning Supporter for H-beam Welding |
| CN104416282A (en) * | 2013-09-11 | 2015-03-18 | 天津市津莆钢结构有限公司 | Bilateral numerical control electroslag welding device |
| CN104028938A (en) * | 2014-06-23 | 2014-09-10 | 铜陵有色建安钢构有限责任公司 | H-shaped steel double-surface welding device |
| CN204843397U (en) * | 2015-08-29 | 2015-12-09 | 河南真牛起重机有限公司 | Box roof beam weld holder |
| CN105171204A (en) * | 2015-10-21 | 2015-12-23 | 江苏京沪重工有限公司 | Welding production line and construction method for bridge plate unit |
| CN107775207A (en) * | 2017-10-24 | 2018-03-09 | 贵州汇通申发钢结构有限公司 | A kind of bridge welding device and bridge welding method |
| CN207563983U (en) * | 2017-12-11 | 2018-07-03 | 山东中琦环保设备制造有限公司 | A kind of boiler steel component box-girder and H profile steel fast direct wire bonding connection device |
| CN109590581A (en) * | 2018-12-29 | 2019-04-09 | 武船重型工程股份有限公司 | A kind of bridge steel automatic welding machine |
| CN210080928U (en) * | 2019-05-12 | 2020-02-18 | 中国水利水电第五工程局有限公司 | Adjustable submerged-arc welding tool for H-shaped beam |
| CN210306397U (en) * | 2019-06-24 | 2020-04-14 | 重庆吉旺钢结构工程有限公司 | Automatic welding device for H-shaped steel production line |
| CN210997216U (en) * | 2019-08-15 | 2020-07-14 | 江南造船(集团)有限责任公司 | Fillet welding supporting device and fillet welding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108529197B (en) | Carrying device of intelligent building beam column manufacturing equipment | |
| CN112475709A (en) | Welding system for steel structure bridge | |
| CN108914776B (en) | A basket is hung in construction for municipal works and room are built | |
| CN111379222A (en) | Multi-section type prefabricated box girder transportation and hydraulic installation equipment | |
| CN213226815U (en) | Aerated concrete block cutting device | |
| CN214871456U (en) | Evaporate and press aerated concrete panel cutting device | |
| CN211566491U (en) | Numerical control machining equipment for edges of lightweight concrete wallboard | |
| CN210334122U (en) | Reinforcing bar bending device is used in bridge engineering construction | |
| CN207415603U (en) | A kind of artificial plate trimming device with saw plate vehicle | |
| CN102500721A (en) | Steel bar truss bending mechanism of automatic steel bar truss welding production line | |
| CN202131552U (en) | Falling rail connecting device of tramper for roadbed treatment vehicle | |
| CN216065945U (en) | Three-dimensional automatic submerged arc welding machine frame | |
| CN215359215U (en) | Track structure capable of continuously cutting stone | |
| CN117733459B (en) | Positioning welding device and positioning welding method for prefabricated box culvert reinforcement cage | |
| JPS62158579A (en) | Multiaxes spot welding equipment | |
| CN110888128A (en) | Device for detecting tunnel lining by using geological radar antenna | |
| CN216272774U (en) | Novel bridge structure of bridge crane | |
| CN213290778U (en) | Prefabricated case roof beam guardrail embedded steel bar slide positioning device | |
| CN219852559U (en) | Special-shaped steel structure welding platform | |
| CN221133894U (en) | Beam slab guardrail embedded bar construction jig frame | |
| CN220073720U (en) | Automatic welding device for steel door leaf for civil air defense | |
| GB2328636A (en) | A support for a laser tool | |
| CN220224967U (en) | Box girder web binding device | |
| CN214604394U (en) | Crossbeam integral type robot removes cutting platform | |
| CN212398443U (en) | Steelmaking factory building driving roof beam welding set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |
|
| RJ01 | Rejection of invention patent application after publication |