CN111515586A - Water-cooling sliding block device for thick plate electrogas welding - Google Patents
Water-cooling sliding block device for thick plate electrogas welding Download PDFInfo
- Publication number
- CN111515586A CN111515586A CN202010360299.7A CN202010360299A CN111515586A CN 111515586 A CN111515586 A CN 111515586A CN 202010360299 A CN202010360299 A CN 202010360299A CN 111515586 A CN111515586 A CN 111515586A
- Authority
- CN
- China
- Prior art keywords
- welding
- welding groove
- groove
- sliding
- water
- 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.)
- Granted
Links
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
- B23K37/003—Cooling means
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A water-cooling slide block device for thick plate electrogas welding comprises a slide block body extending into the inner side of a welding groove, wherein two sliding side faces are arranged on the slide block body and can be respectively attached to a vertical side wall of a welding groove, so that a steel plate with the thickness of below 60mm can be welded in two ways, a steel plate with the thickness of 60 mm-100 mm can be welded in four ways, the plate thickness range applicable to the single-wire electrogas welding is expanded, gaps are formed between the two sliding side faces and the vertical side wall of the welding groove adjacent to the two sliding side faces, one side of the slide block body extending into the welding groove is provided with a section of outward convex forming arc face, the forming arc face and the two sliding side faces are respectively and smoothly connected through respective section of transition arc face, the outflow of slag in the welding process is facilitated, the fusion of the side wall of a root welding bead is ensured to be good, The welding efficiency and the comprehensive performance of the welding joint of the thick plate electrogas welding can be improved under the condition of not increasing the welding heat input.
Description
Technical Field
The invention relates to the field of water-cooling sliding blocks for electrogas welding, in particular to a water-cooling sliding block device for electrogas welding of thick plates.
Background
The electro-gas welding is a high-efficiency welding method which forcibly forms molten weld metal by utilizing a sliding block, a gasket and the like to weld a steel plate at a vertical welding position, wherein a back gasket is usually arranged on the back surface of a groove of a base metal, a water-cooling sliding block is arranged on the front surface of the groove, the sliding block moves along with a welding gun during welding, a welding space with the periphery closed is formed among the back gasket, the front sliding block and the steel plates at two sides, and the steel plate is welded and formed at one time. With the development of large-scale structures of ships, ocean engineering and the like, the application of thick plates in engineering structures is gradually increased, urgent needs are provided for a high-efficiency welding method of the thick plates, the welding efficiency of the structures can be greatly improved by adopting the electro-gas welding method to weld the thick plates, and the construction cost of the structures is reduced.
However, the slider structure adopted in the existing electro-gas welding is attached to the front surface of the groove, namely the surface of the slider facing the groove is parallel to the surface of the two steel plates with the groove, so that the whole slider is positioned outside the welding groove, and the problem of applicability is brought. The existing electrogas welding is divided into two forms of single-wire electrogas welding and double-wire electrogas welding, the thickness of a steel plate which can be welded by the single-wire electrogas welding is limited, generally, the one-step welding forming of the steel plate with the thickness of below 35mm can be realized, the welding heat input can be controlled to be below 250kJ/cm, and for the welding of the steel plate with the thickness of above 35mm, the welding heat input of the single-wire electrogas welding is limited, so that the welding bead forming and the welding quality are difficult to ensure. The thick plate with the thickness of 35 mm-100 mm can be welded and formed at one time by adopting a double-wire electrogas welding method, but the welding heat input is increased sharply along with the increase of the plate thickness, generally the welding heat input can reach 250 kJ/cm-600 kJ/cm, along with the increase of the welding heat input, the residence time of a welding heat affected zone of the welding seam metal and the base metal in a high-temperature zone is longer, the cooling crystallization speed of the welding seam is reduced, the grains of the welding seam and the base metal heat affected zone are coarse, and the low-temperature toughness of a welding joint is obviously reduced, so that higher requirements are put forward on the adaptability of large heat input welding of the steel plate. At present, the gas-electric vertical welding technology is mostly used for welding and forming steel plates with the thickness of below 35mm in engineering practice, the gas-electric vertical welding of larger steel plates needs to be carried out by adopting a double-wire gas-electric vertical welding technology, but the welding heat input is larger, special large heat input steel plates and welding materials need to be developed, the cost is higher, the period is longer, and the application and development of the gas-electric vertical welding technology in thick plate welding are limited.
Disclosure of Invention
In order to solve the problem that the conventional electrogas welding technology is difficult to perform high-efficiency high-quality welding on a thick plate with the thickness of 35-100 mm, the invention provides a water-cooling sliding block device for electrogas welding of the thick plate.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water-cooling slide block device for thick plate electrogas welding comprises a slide block body which is used for stretching into the inner side of a welding groove and sliding along the vertical direction, wherein two sections of sliding side surfaces are arranged on the slide block body, and the included angle between the two sections of sliding side surfaces is matched with the included angle between the side walls of the welding groove, so that the two sections of sliding side surfaces can be respectively close to the side walls of the respective section of welding groove after the slide block body stretches into the inner side of the welding groove;
one side of the sliding block body, which extends into the welding groove, is provided with a section of outward convex forming arc surface, the forming arc surface and the two sliding side surfaces are respectively and smoothly connected through respective sections of transition arc surfaces, the axes of the forming arc surface and the two transition arc surfaces are parallel to the sliding side surfaces, and the distance between the arc top of the forming arc surface and a back liner arranged on a welding bead at the root part of the welding groove is not more than 35mm after the sliding block body extends into the welding groove;
the slider body is provided with a protective gas channel so that protective gas can flow from one side of the slider body facing the outside of the welding groove to the inner side of the welding groove; and a cooling water channel is also formed in the slider body, and the two ends of the cooling water channel are respectively connected with a water inlet pipe and a water outlet pipe.
Preferably, after the sliding block body extends into the inner side of the welding groove, a gap of 1-1.5 mm is ensured between the two sliding side faces and the vertical side wall of the welding groove close to the sliding side faces.
Preferably, the radius of the forming cambered surface is 5-10 mm, and the radius of the transition cambered surface is 3-5 mm.
Preferably, be equipped with one section on the slider body and survey the inclined plane, survey the inclined plane and be located the slider body and stretch into one side in the welding groove, survey the inclined plane and meet along the axial one end of shaping cambered surface with the slider body, survey the contained angle between inclined plane and the shaping cambered surface axis and be 10 ~ 20, the one end of shielding gas passageway is for being located the oval port on the observation inclined plane, and the slider body stretches into the welding groove inside back oval port's top border and is located one side outside the bottom border towards the welding groove.
Preferably, the protective gas passageway includes that one is seted up blind hole on observing the inclined plane and one runs through to the inside breather pipe of blind hole from slider body outside towards the welding groove, and the diameter of blind hole is greater than the diameter of breather pipe, the axis of blind hole and the coincidence of the axis of breather pipe, and the breather pipe is located the axial of the inside one end of blind hole and seals the setting, and the breather pipe is located the radial lateral wall of the inside one end of blind hole and goes up the symmetry and seted up two gas pockets, and the axis of two gas pockets is perpendicular with the axis of blind hole.
Preferably, the diameter of the blind hole is 10-15 mm, and the diameter of the air hole is 4-6 mm.
Preferably, the length of the slider body along the axis of the forming cambered surface is 65-75 mm.
Preferably, the side wall of the sliding block body facing the outside of the welding groove is connected with two L-shaped rods, a section of I-shaped groove is formed between the two L-shaped rods, and the sliding block body is connected with the cross ejector rod of the welding trolley through the matching of the two L-shaped rods and the I-shaped groove.
According to the technical scheme, the invention has the beneficial effects that:
the water-cooling sliding block provided by the invention can extend into the welding groove, can realize the single-side groove opening of the steel plate with the thickness of less than 60mm and complete the welding in two ways, and can realize the double-side groove opening of the steel plate with the thickness of 60 mm-100 mm and complete the welding in four ways, thereby expanding the plate thickness range applicable to the single-wire electrogas welding and improving the welding efficiency of the thick plate. In the prior art, the water-cooled sliding block is attached to the front surface of the groove, so that the whole sliding block is entirely positioned outside the welding groove, the existing electrogas welding needs to finish one-pass welding on the single-side groove and two-pass welding on the double-side groove, and the welding heat input is overlarge and the low-temperature toughness of the joint is poor in the existing electrogas welding; the invention realizes split welding, reduces welding heat input, can control the welding heat input below 250kJ/cm, avoids the problem of poor low-temperature toughness of a welding joint caused by overlarge welding heat input of a thick plate, ensures that the middle position of a root welding bead of a welding groove is slightly inwards recessed along with the thick plate by arranging the outwards-protruded forming arc surface and the transition arc surface on the slider body, is beneficial to slag flowing out in the welding process, ensures that the side wall of the root welding bead is well fused, is also beneficial to subsequent capping welding bead welding, improves the comprehensive performance of the welding joint, has simple structure, perfect function and convenient use, and improves the welding efficiency and the welding quality of the electro-gas vertical welding of the thick plate.
Drawings
FIG. 1 is a schematic view of a slider body observed from a side facing outside a welding groove;
FIG. 2 is a schematic cross-sectional view A-A;
FIG. 3 is a schematic half-sectional view of B-B;
FIG. 4 is a schematic top view of the slider body after it has been extended inside the weld groove;
FIG. 5 is a schematic view of the single-sided V-groove used in example 1;
FIG. 6 is a schematic view of the double-sided X-groove in example 2;
FIG. 7 is a schematic view of the double-sided K-groove in example 3.
The labels in the figure are: 1. slider body, 2, the side of sliding, 3, the shaping cambered surface, 4, the transition cambered surface, 5, cooling water passageway, 6, inlet tube, 7, the outlet pipe, 8, survey inclined plane, 9, blind hole, 10, breather pipe, 11, gas pocket, 12, L shape pole, 13, I shape slot, 14, back liner, 15, treat the welded steel board.
Detailed Description
Referring to fig. 1-4, a water-cooling slider device for thick plate electrogas welding comprises a slider body 1 which is used for extending into the inner side of a welding groove and slides along the vertical direction, two sliding side faces 2 are arranged on the slider body 1, and the included angle between the two sliding side faces 2 is matched with the included angle between the side walls of the welding groove, so that the two sliding side faces 2 can be respectively close to the respective side walls of the welding groove after the slider body 1 extends into the inner side of the welding groove.
In the welding process, slider body 1 is located inside the welding groove, the welding dolly passes through parts such as link on the slider body 1 and is reliably connected with the slider body, and the top is holding slider body 1 and is along with welder vertical movement together, treat to form confined welding space all around between the welded steel sheet 15 at the back liner 14 and both sides that set up on slider body 1 and the welding groove root weld bead, make the shaping of welding seam metal force, accomplish the welding of root weld bead, the welding of capping weld bead adopts current electrogas vertical welding's device to accomplish.
The size of the slider body 1 ensures that a gap of 1-1.5 mm is formed between the two sliding side faces 2 and the vertical side wall of the welding groove close to the sliding side faces, so that the slider body 1 can smoothly slide in the welding groove in the welding process, and the slider body 1 is prevented from being clamped in the welding groove due to the shrinkage of a welding seam in the welding process.
One side that slider body 1 stretched into welding groove is equipped with one section outside convex shaping cambered surface 3, and the radius of shaping cambered surface 3 is 5 ~ 10mm, respectively through one section respective transition cambered surface 4 smooth connection between shaping cambered surface 3 and two sections slip side 2, and the radius of transition cambered surface 4 is 3 ~ 5mm, and the axis of shaping cambered surface 3 and two sections transition cambered surfaces 4 all is parallel with slip side 2. Through setting up shaping cambered surface 3 and two sections transition cambered surfaces 4, make one side of slider body 1 to the welding groove root protrusion, make the intermediate position of welding groove root welding bead also can slightly inwards cave in thereupon, be favorable to welding process in the slag flow out to it is good to guarantee that root welding bead lateral wall fuses, and also be favorable to subsequent welding bead welding of capping.
The thickness of slider body 1 is confirmed according to the depth dimension who treats welding steel plate 15's thickness promptly welding groove, guarantees that after slider body 1 stretches into welding groove inboard, the distance between the arc top of shaping cambered surface 3 and the back liner 14 that sets up on the welding groove root weld bead is not more than 35mm to slider body 1 back is slightly higher than or the parallel and level in treating welding steel plate 15 surface, so that slider body 1 is connected with welding tractor cross ejector pin.
The length of the slider body 1 along the axis of the forming cambered surface 3 is 65-75 mm. The slider body 1 is connected with two L shape poles 12 on the lateral wall outside the welding groove, has seted up one section I shape slot 13 between two L shape poles 12, makes slider body 1 fix on the welding carriage cross ejector pin through two L shape poles 12 and the cooperation of I shape slot 13, stabilizes vertical removal along with welding carriage and welder together.
A protective gas channel is formed in the slider body 1, so that protective gas can flow to the inner side of the welding groove from one side of the slider body 1 facing the outer side of the welding groove. Still seted up cooling water passageway 5 on slider body 1, cooling water passageway 5's both ends are connected with inlet tube 6 and outlet pipe 7 respectively, lead to the circulating water and cool off the slider device in welding process, and inlet tube 6 sets up in the air inlet below of protective gas passageway, apart from 8mm ~ 10mm of air inlet, and outlet pipe 7 sets up in slider body 1 bottom, and highly moderate to do not influence slider body 1 and the connection of welding dolly cross ejector pin and be suitable.
Be equipped with one section on slider body 1 and survey inclined plane 8, survey inclined plane 8 and be located slider body 1 and stretch into the intraoral one side of welding groove, survey inclined plane 8 and slider body 1 and meet along 3 axial one ends of shaping cambered surface, it is 10 ~ 20 to survey the contained angle between 8 and the 3 axes of shaping cambered surface, the one end of protective gas passageway is for being located the oval port on observing inclined plane 8, slider body 1 stretches into the inboard back oval port's of welding groove top border is located the outer one side of bottom border orientation welding groove. Through observing inclined plane 8 and make personnel can follow welding groove top and observe welding position and oval port to in welding process control liquid level height, electric arc stability, welder and welding wire position of falling point etc..
The protective gas passageway includes that one sets up blind hole 9 on observing inclined plane 8 and one runs through to the inside breather pipe 10 of blind hole 9 from slider body 1 outside towards the welding groove, the diameter of blind hole 9 is greater than the diameter of breather pipe 10, the axis of blind hole 9 and the coincidence of the axis of breather pipe 10, the axial that breather pipe 10 is located the inside one end of blind hole 9 seals the setting, and breather pipe 10 is located the radial lateral wall of the inside one end of blind hole 9 and goes up the symmetry and has seted up two gas pockets 11, the axis of two gas pockets 11 is perpendicular with the axis of blind hole 9, it is perpendicular with the gas outlet direction of giving vent to anger to make the protective gas admit air direction, the protective gas velocity. The diameter of the blind hole 9 is 10-15 mm, and the diameter of the air hole 11 is 4-6 mm.
Example 1:
welding is completed in two ways by a steel plate with the thickness of 60mm and a single-side V-shaped groove, and the size of the sliding block body and the welding assembly mode are shown in figure 5. The steel plates on the two sides are respectively provided with a groove of 10 degrees, and the root assembly gap is 8 mm. Two side surfaces of the sliding block body are respectively processed with 10-degree inclination angles. In order to ensure that the welding line is finished in two ways and the sliding block body smoothly slides in the groove, the size of the sliding block body extending into the thickness direction of the plate can be set to be 28mm according to the plate thickness and the groove angle, the maximum size of the sliding block body in the direction perpendicular to the plate thickness is 26mm, the diameter of an air outlet is 14mm, the arc radius (R1) of the forming surface of the sliding block body is 10mm, and the sliding block body is transited with two side surfaces of the sliding block through a fillet (R35.
Example 2:
welding is completed by dividing a steel plate with the thickness of 100mm into four paths with a double-sided X-shaped groove, and the size of the slider body and the welding assembly mode are shown in figure 6. Two steel plates on two sides are respectively provided with a 12-degree double-sided symmetrical groove, and the root assembly gap is 8 mm. In order to be matched with the grooves on the two sides, the two side surfaces of the sliding block body are respectively processed with 12-degree inclination angles. In order to ensure that the welding line is finished in two ways and the sliding block body smoothly slides in the groove, the size of the sliding block body extending into the plate thickness direction is 23mm, the maximum size of the sliding block body perpendicular to the plate thickness direction is 26mm, the diameter of an air outlet is 14mm, the arc radius (R1) of the forming surface of the sliding block body is 10mm, and the sliding block body is transited with two side surfaces of the sliding block by a fillet (R2) of 5mm according to the calculation of the plate thickness and the groove angle.
Example 3:
welding is completed by dividing a 100mm thick steel plate into four paths with a double-sided K-shaped groove, and the size and the welding assembly mode of the slider body are shown in figure 7. One side of the steel plate is not provided with a groove, the other side of the steel plate is provided with a 15-degree double-sided symmetrical groove, and the root assembly gap is 8 mm. In order to be matched with the grooves on the two sides, one side surface of the sliding block body is not provided with an inclination angle, and the other side surface is provided with an inclination angle of 15 degrees. In order to ensure that the welding line is finished in two ways and the sliding block body smoothly slides in the groove, the size of the sliding block body extending into the thickness direction of the plate is 23mm, the maximum size of the sliding block body perpendicular to the thickness direction of the plate is 19mm, the diameter of an air outlet is 10mm, the arc radius (R1) of the forming surface of the sliding block body is 8mm, and the sliding block body and two side surfaces of the sliding block body are in transition through a proper fillet.
Claims (8)
1. The utility model provides a water-cooling slider device for thick plate electrogas welding which characterized in that: the sliding block comprises a sliding block body (1) which is used for extending into the inner side of a welding groove and sliding along the vertical direction, two sliding side surfaces (2) are arranged on the sliding block body (1), and an included angle between the two sliding side surfaces (2) is matched with an included angle between the side walls of the welding groove, so that the two sliding side surfaces (2) after the sliding block body (1) extends into the inner side of the welding groove can be respectively close to the side walls of the respective welding groove;
one side of the sliding block body (1) extending into the welding groove is provided with a section of outward convex forming arc surface (3), the forming arc surface (3) is smoothly connected with the two sections of sliding side surfaces (2) through respective sections of transition arc surfaces (4), the axes of the forming arc surface (3) and the two sections of transition arc surfaces (4) are parallel to the sliding side surfaces (2), and the distance between the arc top of the forming arc surface (3) and a back liner (14) arranged on the welding groove root is not more than 35mm after the sliding block body (1) extends into the inner side of the welding groove;
a protective gas channel is formed in the slider body (1) so that protective gas can flow from one side of the slider body (1) facing the outside of the welding groove to the inner side of the welding groove; a cooling water channel (5) is further formed in the sliding block body (1), and a water inlet pipe (6) and a water outlet pipe (7) are connected to two ends of the cooling water channel (5) respectively.
2. The water-cooled slide block device for thick plate electrogas welding according to claim 1, wherein: after the sliding block body (1) stretches into the inner side of the welding groove, a gap of 1-1.5 mm is ensured between the two sliding side faces (2) and the vertical side wall of the welding groove close to the two sliding side faces.
3. The water-cooled slide block device for thick plate electrogas welding according to claim 1, wherein: the radius of the forming cambered surface (3) is 5-10 mm, and the radius of the transition cambered surface (4) is 3-5 mm.
4. The water-cooled slide block device for thick plate electrogas welding according to claim 1, wherein: be equipped with one section on slider body (1) and survey inclined plane (8), survey inclined plane (8) and be located slider body (1) and stretch into the one side in the welding groove, survey inclined plane (8) and meet along shaping cambered surface (3) axial one end with slider body (1), and the contained angle of surveing between inclined plane (8) and shaping cambered surface (3) axis is 10 ~ 20, the oval port on the one end of protective gas passageway for being located observation inclined plane (8), the top border that the oval port is located bottom border outside the welding groove after slider body (1) stretches into the welding groove inboard.
5. The water-cooled slide block device for thick plate electrogas welding of claim 4, wherein: the protective gas passageway includes that one is seted up blind hole (9) on observing inclined plane (8) and one runs through to the inside breather pipe (10) of blind hole (9) from slider body (1) towards the outer one side of welding groove, the diameter of blind hole (9) is greater than the diameter of breather pipe (10), the axis of blind hole (9) and the axis coincidence of breather pipe (10), breather pipe (10) are located the axial of the inside one end of blind hole (9) and seal the setting, and breather pipe (10) are located the radial lateral wall of the inside one end of blind hole (9) on the symmetry two gas pockets (11) have been seted up, the axis of two gas pockets (11) is perpendicular with the axis of blind hole (9).
6. The water-cooled slide block device for thick plate electrogas welding of claim 5, wherein: the diameter of the blind hole (9) is 10-15 mm, and the diameter of the air hole (11) is 4-6 mm.
7. The water-cooled slide block device for thick plate electrogas welding according to claim 1, wherein: the length of the slider body (1) along the axis of the forming cambered surface (3) is 65-75 mm.
8. The water-cooled slide block device for thick plate electrogas welding according to claim 1, wherein: the slider body (1) is connected with two L shape poles (12) on the lateral wall towards the welding groove outside, has seted up one section I shape slot (13) between two L shape poles (12), makes slider body (1) be connected with welding dolly cross ejector pin through two L shape poles (12) and the cooperation of I shape slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360299.7A CN111515586B (en) | 2020-04-30 | 2020-04-30 | Water-cooling sliding block device for thick plate electrogas welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360299.7A CN111515586B (en) | 2020-04-30 | 2020-04-30 | Water-cooling sliding block device for thick plate electrogas welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111515586A true CN111515586A (en) | 2020-08-11 |
| CN111515586B CN111515586B (en) | 2021-12-24 |
Family
ID=71905555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010360299.7A Active CN111515586B (en) | 2020-04-30 | 2020-04-30 | Water-cooling sliding block device for thick plate electrogas welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111515586B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987678A (en) * | 2022-07-08 | 2022-09-02 | 上海外高桥造船有限公司 | Mutually-embedded welding assembly and ship comprising same |
| CN115026388A (en) * | 2022-06-27 | 2022-09-09 | 张家港荣盛特钢有限公司 | Ultra-large linear energy double-wire electrogas welding method with high transition coefficient |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020170940A1 (en) * | 2001-05-21 | 2002-11-21 | Takashi Kazama | Welded tube manufacturing apparatus and welded tube internal surface bead cutting apparatus |
| CN103008823A (en) * | 2012-11-30 | 2013-04-03 | 大连船舶重工集团有限公司 | Water-cooled back slide block VEGW (vertical electrogas welding) equipment with water-cooling pipe quick-change joint |
| CN106425038A (en) * | 2016-10-17 | 2017-02-22 | 沈阳大学 | Water-cooling forced forming module for one-time forming of vertical weld |
| CN110560843A (en) * | 2019-09-05 | 2019-12-13 | 广州黄船海洋工程有限公司 | One-step forming welding process for Q420 high-strength steel thick plate by electro-gas welding |
-
2020
- 2020-04-30 CN CN202010360299.7A patent/CN111515586B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020170940A1 (en) * | 2001-05-21 | 2002-11-21 | Takashi Kazama | Welded tube manufacturing apparatus and welded tube internal surface bead cutting apparatus |
| CN103008823A (en) * | 2012-11-30 | 2013-04-03 | 大连船舶重工集团有限公司 | Water-cooled back slide block VEGW (vertical electrogas welding) equipment with water-cooling pipe quick-change joint |
| CN106425038A (en) * | 2016-10-17 | 2017-02-22 | 沈阳大学 | Water-cooling forced forming module for one-time forming of vertical weld |
| CN110560843A (en) * | 2019-09-05 | 2019-12-13 | 广州黄船海洋工程有限公司 | One-step forming welding process for Q420 high-strength steel thick plate by electro-gas welding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026388A (en) * | 2022-06-27 | 2022-09-09 | 张家港荣盛特钢有限公司 | Ultra-large linear energy double-wire electrogas welding method with high transition coefficient |
| CN115026388B (en) * | 2022-06-27 | 2023-12-26 | 张家港荣盛特钢有限公司 | Super-large linear energy double-wire electro-gas welding method with high transition coefficient |
| CN114987678A (en) * | 2022-07-08 | 2022-09-02 | 上海外高桥造船有限公司 | Mutually-embedded welding assembly and ship comprising same |
| CN114987678B (en) * | 2022-07-08 | 2023-12-15 | 上海外高桥造船有限公司 | Mutually embedded welding assembly and ship comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111515586B (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111515586B (en) | Water-cooling sliding block device for thick plate electrogas welding | |
| CN106493459B (en) | A kind of semi-automatic linerless penetration welding procedure of steel box column | |
| CN103264209A (en) | Combine-welding method of stainless steel welded parts | |
| CN106914684A (en) | A kind of hillside fields pipeline automatic welding welding procedure | |
| CN111331227B (en) | 50000m3Flip-chip method of CO from the following storage tank2Automatic welding process and device | |
| CN106346118A (en) | Whole-position welding method of 16Cr stainless steel continuous pipe | |
| CN109014507A (en) | A kind of solid welding wire gas guarantor vertical-up welding method | |
| CN108500559B (en) | Manufacturing method of extra-large-pipe-diameter thick-wall X80 steel-grade spiral submerged arc welded pipe | |
| CN106181103A (en) | Horizontal position welding seam forming a solder water-cooled forces to shape module | |
| CN108356401B (en) | Gas-assisted resistance spot welding device and cooling and heating method thereof | |
| CN104511682A (en) | Method of single-gun single-wire vertical electrogas welding | |
| CN105020954B (en) | A kind of cooling device and its production technology with cooled plate | |
| CN207757094U (en) | A kind of laser soldering device with refrigerating function | |
| CN205996361U (en) | Sealed pipe sealing of tube head | |
| CN107931826A (en) | A kind of electroslag welding with tube electrode suitable for rail connects die device | |
| CN201069022Y (en) | Pipe joint for air-conditioning indoor and outer machine | |
| CN109014504B (en) | Welding method for suspension bridge main cable saddle partition plate | |
| CN204162740U (en) | A kind of RH vacuum refinement top rifle that dusts | |
| CN210817500U (en) | Automatic cooling and lubricating machining tool | |
| CN109175675B (en) | Steel rail three-wire melting nozzle electroslag welding device | |
| CN107344263A (en) | The welding method of bracket part plate and steel column part plate | |
| CN205074658U (en) | Automatic argon arc welding of easy oxidized metal hydroecium is with split type hysteresis protection gas hood | |
| CN208322420U (en) | A kind of electroslag welding with tube electrode suitable for rail connects die device | |
| CN104879232A (en) | Cylinder head of engine and cooling structure of bridge zone | |
| CN206084122U (en) | Heavy -calibre aluminum alloy tube spiral friction stir welding both sides welding double -sided shaped device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |