CN113001053A - Welding device and welding method for steel pipe pile shear ring - Google Patents
Welding device and welding method for steel pipe pile shear ring Download PDFInfo
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- CN113001053A CN113001053A CN202110480663.8A CN202110480663A CN113001053A CN 113001053 A CN113001053 A CN 113001053A CN 202110480663 A CN202110480663 A CN 202110480663A CN 113001053 A CN113001053 A CN 113001053A
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- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
- B23K37/0247—Driving means
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- 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
- B23K37/0294—Transport carriages or vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Piles And Underground Anchors (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding device and a welding method of a steel pipe pile shear ring, which are used for a steel pipe pile which can be horizontally arranged on a roller carrier in a rolling way, and comprise a supporting beam which horizontally penetrates through the steel pipe pile, wherein two ends of the supporting beam are provided with supports fixed on the ground, and the supporting beam is provided with a walking trolley which moves along the axial direction of the steel pipe pile; the travelling trolley is provided with a positioning piece capable of swinging along the axial direction of the steel pipe pile, the positioning piece extends towards the inner wall of the steel pipe pile, and the end part of the positioning piece is provided with a roller which is in rotary butt joint with the inner wall of the steel pipe pile; and the positioning piece is provided with a oscillator capable of swinging along the axial direction of the steel pipe pile, and the oscillator is provided with a welding gun facing the inner wall of the steel pipe pile. The welding device for the steel pipe pile shear ring can improve the welding efficiency of the steel pipe pile shear ring and improve the welding quality of the shear ring.
Description
Technical Field
The invention relates to the technical field of offshore wind power equipment, in particular to a welding device and a welding method for a shear ring of a steel pipe pile.
Background
Pile tops of offshore wind power projects are all provided with shear ring accessories, wherein the length of the shear ring of the pile top is about 6 meters, including 21 circles of shear rings, the range of the shear ring at the bottom of the pile is 8 meters, including 13 circles of shear rings, and the shear rings are
The welding form of the round steel, the shear ring and the pile wall is a double-sided fillet weld. The diameter of a pile group is about 2400mm, the welding workload of a shear ring in a single pile group is up to 498 m, a steel pipe pile is generally a round pipe with the diameter of about 2.5m and the length of about 70 m, the welding length of the shear ring on the steel pipe pile is about 10m, manual welding is mainly adopted at present, carbon dioxide gas shielded welding is adopted as welding equipment, the average speed of the shear ring welded by a single welder is about 4 m per hour, the working time required for welding the single pile group is 124.5h, the welding time is 20h (two shifts), the shear ring welded by the complete pile group needs about 6.2 days, the time arranged on the production of the process of welding the shear ring is only 2 days, namely, at least 5 welders are arranged to finish the work of the process according to a schedule in turn or simultaneously carry out the work of the processThe welding work is large, time and labor are wasted, and the welding efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a welding device for a shear ring of a steel pipe pile, which can solve the technical problems that: the technical problem who solves is that marine wind power steady pile steel-pipe pile shear ring welding efficiency is low, the poor problem of welding quality, and the purpose utilizes semi-automatic welding advantage under the circumstances that does not increase great cost, improves steel-pipe pile shear ring welding efficiency, promotes shear ring welding quality simultaneously.
It is another object of the present invention to provide a welding method.
In order to achieve the purpose, the invention provides a welding device of a steel pipe pile shear ring, which is used for a steel pipe pile which can be horizontally arranged on a roller frame in a rolling way, and comprises a support beam which horizontally penetrates through the steel pipe pile, wherein two ends of the support beam are provided with supports which are fixed on the ground, and the support beam is provided with a walking trolley which moves along the axial direction of the steel pipe pile;
the travelling trolley is provided with a positioning piece capable of swinging along the axial direction of the steel pipe pile, the positioning piece extends towards the inner wall of the steel pipe pile, and the end part of the positioning piece is provided with a roller which is in rotary butt joint with the inner wall of the steel pipe pile;
the positioning piece is provided with a oscillator capable of swinging along the axial direction of the steel pipe pile, and the oscillator is provided with a welding gun facing the inner wall of the steel pipe pile.
Preferably, the support beam is provided with a guide rail extending along the axial direction of the steel pipe pile, and the walking trolley is provided with a walking wheel matched with the guide rail.
As a preferred scheme, the positioning piece is a positioning inclined strut;
the movable trolley is provided with a rotating shaft, the axis of the rotating shaft is perpendicular to the axial direction of the steel pipe pile, a rotating part is rotatably arranged on the rotating shaft, and one end of the positioning inclined support is fixedly connected with the rotating part.
As the preferred scheme, the rotation piece is a U-shaped rotation piece, the rotation axis is a bolt, the bolt passes through a mounting hole reserved on the U-shaped rotation piece, a nut is installed at the end part of the bolt, and one end of the positioning inclined strut is fixedly connected with the U-shaped rotation piece.
Preferably, the surface of the roller is provided with a circumferentially extending groove, and the groove is used for matching with a shear ring of the inner wall of the steel pipe pile.
Preferably, the oscillator is electrically connected to a controller, and the controller can control the oscillation frequency of the oscillator.
Preferably, the swing output end of the oscillator is connected with a linkage rod extending along the axial direction of the steel pipe pile, and two ends of the linkage rod are connected with welding guns.
Preferably, the positioning piece is connected with two oscillators sequentially arranged along the axial direction of the steel pipe pile, and each oscillator is provided with a welding gun.
A welding method of a steel pipe pile comprises the following steps:
s1, extending the support beam into the steel pipe pile, wherein the length of the support beam needs to ensure that the welding device can be welded to the innermost circle of shear ring, and the support is arranged outside the steel pipe pile; after the positioning piece and the walking trolley are assembled, the positioning piece and the walking trolley are clamped into the supporting beam and the shear ring to be welded, then the welding gun is inserted into the oscillator, and the welding angle is adjusted;
s2, fine adjustment is carried out on the oscillator and the welding gun, the steel pipe pile is rotated for a circle, the oscillator is synchronously started, the device is subjected to simulated welding, and normal operation of the welding device is ensured;
s3, starting the first shear ring welding, circumferentially rotating the steel pipe pile, and monitoring the welding quality and the welding speed in real time in the welding process;
and S4, after welding of one shear ring is finished, lifting the welding gun, moving the walking trolley, clamping the roller into the next shear ring, and starting welding of the next shear ring.
Compared with the prior art, the invention has the beneficial effects that:
the welding device of the steel pipe pile shear ring is used for horizontally rolling the steel pipe pile arranged on the roller carrier, and the steel pipe pile can rotate on the roller carrier; the welding device comprises a support beam horizontally penetrating through the steel pipe pile, wherein supports fixed on the ground are arranged at two ends of the support beam and used for supporting the support beam, so that the support beam is fixed in position, a walking trolley moving along the axial direction of the steel pipe pile is arranged on the support beam, and the walking trolley is used for researching movement of the support beam; the travelling trolley is provided with a positioning piece which can swing along the axial direction of the steel pipe pile, the positioning piece extends towards the inner wall of the steel pipe pile, and the end part of the positioning piece is provided with a roller which is in rotating and abutting joint with the inner wall of the steel pipe pile; but be equipped with the wobbling oscillator of the axial direction of steel-pipe pile on the setting element, the setting element is used for fixing a position the oscillator, and when the setting element swung, the gyro wheel can rotate along the inner wall of steel-pipe pile, installs the welder towards the inner wall of steel-pipe pile on the oscillator. The utility model provides a welding set of steel-pipe pile shear ring utilizes the swing of oscillator to realize welder's welding, utilizes the rotation of steel-pipe pile and the location of setting element simultaneously, realizes the welding of the inside single shear ring of steel-pipe pile, then the walking boat removes, when can carrying out the welding of next shear ring, has realized welder's automatic weld, improves steel-pipe pile shear ring welding efficiency, promotes shear ring welding quality simultaneously.
The utility model provides a welding set of steel-pipe pile shear ring refers to the cantilever support principle, combines the characteristic that welding shear ring is the round steel, and ingenious utilization gyro wheel reaches whole welding set and the thought of executing the shear ring accurate positioning that welds with the cooperation of the round steel of shear ring, recycles traditional adjustable three-dimensional stores pylon and electronic swing mechanism and steel-pipe pile gyro wheel frame, finally realizes whole welding set's automatic weld.
Drawings
FIG. 1 is a schematic structural diagram of a welding device for a steel pipe pile shear ring according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a side view of the structure of fig. 1.
In the figure, 1, a steel pipe pile; 11. a shear ring; 2. a roller frame; 3. a support beam, 4, a walking trolley; 41. a rotating shaft; 42. a rotating member; 5. a positioning member; 6. a roller; 7. a wiggler; 8. and (4) welding the welding gun.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1-3, the welding device for the steel pipe pile shear ring of the present invention is used for a steel pipe pile 1 horizontally and rollably disposed on a roller frame 2, and the steel pipe pile 1 is rotatable on the roller frame 2; specifically, the welding device comprises a support beam 3 horizontally penetrating through a steel pipe pile 1, two ends of the support beam 3 are provided with supports fixed on the ground, the supports are used for supporting the support beam 3 to fix the position of the support beam 3, the support beam 3 is provided with a walking trolley 4 moving along the axial direction of the steel pipe pile 1, and the walking trolley 4 can move along the support beam; the travelling trolley 4 is provided with a positioning piece 5 which can swing along the axial direction of the steel pipe pile 1, the positioning piece 5 extends towards the inner wall of the steel pipe pile 1, and the end part of the positioning piece 5 is provided with a roller 6 which is in rotary butt joint with the inner wall of the steel pipe pile 1; the positioning piece 5 is provided with a oscillator 7 capable of swinging towards the axial direction of the steel pipe pile 1, the positioning piece 5 is used for positioning the oscillator 7, the idler wheel 6 can rotate along the inner wall of the steel pipe pile 1 when the positioning piece 5 swings, and the oscillator 7 is provided with a welding gun 8 facing the inner wall of the steel pipe pile 1. The utility model provides a welding set of steel-pipe pile shear ring utilizes the swing of oscillator 7, utilize the rotation of steel-pipe pile 1 and the location of setting element 5 simultaneously, realize the welding of 1 inside single shear ring 11 of steel-pipe pile, then walking dolly 4 removes, when can carrying out the welding of next shear ring 11, welder 8's automatic weld has been realized, improve steel-pipe pile shear ring 11 welding efficiency, promote shear ring welding quality simultaneously.
The steel pipe pile support structure is characterized in that the number of the roller frames 2 is two, the two roller frames are arranged at intervals, the steel pipe pile 1 is supported on the two roller frames 2, and the rotation of the steel pipe pile 1 can be achieved through rolling of the roller frames 2.
The utility model provides a welding set of steel-pipe pile shear ring refers to cantilever support principle, combines the characteristic that welding shear ring is the round steel, ingenious cooperation that utilizes the round steel of gyro wheel 6 and shear ring 11 and reach whole welding set and the thought of executing the shear ring 11 accurate positioning that welds, recycles traditional adjustable three-dimensional stores pylon and the gyro wheel frame of electronic swing mechanism and steel-pipe pile, finally realizes whole welding set's automatic weld.
Wherein, a guide rail extending along the axial direction of the steel pipe pile 1 is arranged on the supporting beam 3, and a travelling wheel matched with the guide rail is arranged on the travelling trolley 4. The walking trolley 4 moves along the guide rail and is used for guiding and moving the walking trolley. The walking of the walking trolley 4 can be controlled by a motor or manually pushed to move the walking trolley, and in the specific embodiment of the application, the walking trolley 4 is manually pushed to move.
Wherein, the positioning member 5 in the present application is specifically a positioning inclined strut; the mobile trolley 4 is provided with a rotating shaft 41 with the axis vertical to the axial direction of the steel pipe pile 4, a rotating part 42 is rotatably arranged on the rotating shaft 41, and one end of the positioning inclined strut is fixedly connected with the rotating part 42. The rotation of axis of rotation 41 can drive the luffing motion of location bracing, and like this when steel-pipe pile 1 rolls, setting element 5 can the luffing motion, and gyro wheel 6 matches the roll with the shear ring 11 of steel-pipe pile 4 simultaneously, when the roll of adaptation steel-pipe pile 4, realizes the location of setting element 5.
Further, the rotating part 42 is a U-shaped rotating part, the rotating shaft 41 is a bolt, the bolt penetrates through a mounting hole reserved in the U-shaped rotating part, a nut is mounted at the end of the bolt, one end of the positioning inclined strut is fixedly connected with the U-shaped rotating part, and the U-shaped rotating part rotates to drive the positioning part 5 to swing.
Further, the surface of the roller 6 in the application is provided with a groove extending in the circumferential direction, the groove is used for being matched with the shear ring 11 of the inner wall of the steel pipe pile 1, and when the positioning piece 5 swings, the roller 6 rolls along the shear ring 11.
Further, the oscillator 7 is electrically connected with a controller, the controller can control the oscillation frequency of the oscillator 7, the controller and the oscillator 7 in the present application are machines disclosed in the prior art, and the oscillator and the controller 7 can be directly connected through electrical signals of a data line to control the oscillation frequency of the oscillator 7.
Wherein, the steel pipe pile 1 rotates the round in welding process and makes the shaping of shearing ring 11 welding two sides, and replaces artifical manual welding by automatic weld, can once arrange a plurality of welding set on a supporting beam 3 when necessary and weld shearing ring 11 simultaneously, utilizes this welding set can effectively promote the welding speed and the welding quality of steel pipe pile shearing ring, shortens the preparation time of this process of shearing ring 11 welding.
In this application, the swing output end of oscillator 7 is connected with the gangbar along the axial extension of steel-pipe pile, and the both ends of gangbar all are connected with welder 8, adopt the welder 8 of two linkages to weld shear ring 11 simultaneously. Or, the positioning piece 5 is connected with two oscillators 7 which are sequentially arranged along the axial direction of the steel pipe pile, each oscillator 7 is provided with a welding gun 8, each oscillator 7 is provided with one welding gun 8, and the two oscillators 7 are adopted to simultaneously operate, so that double-sided welding of the shear ring 11 is realized.
The utility model provides a welding set of steel-pipe pile shear ring utilizes the swing of oscillator 7 to realize welder 8's welding, utilize the rotation of steel-pipe pile 1 and the location of setting element 5 simultaneously, realize the welding of 1 inside single shear ring 11 of steel-pipe pile, then the walking boat removes, when can carrying out the welding of next shear ring 11, welder 8's automatic weld has been realized, improve steel-pipe pile shear ring 11 welding efficiency, promote shear ring 11 welding quality simultaneously.
The utility model provides a welding set of steel-pipe pile shear ring refers to cantilever support principle, combines the characteristic that welding shear ring is the round steel, ingenious cooperation that utilizes the round steel of gyro wheel 6 and shear ring 11 and reach whole welding set and the thought of executing the shear ring 11 accurate positioning that welds, recycles traditional adjustable three-dimensional stores pylon and electronic swing mechanism and steel-pipe pile gyro wheel frame, finally realizes whole welding set's automatic weld.
A welding method of a welding device of a steel pipe pile comprises the following steps:
s1, the support beam 3 is extended into the steel pipe pile 1, the length of the support beam needs to ensure that the welding device can be welded to the innermost circle of shear rings 11, and the support is arranged outside the steel pipe pile 1; after the positioning piece 5 and the walking trolley 4 are assembled, the positioning piece and the walking trolley are clamped into the supporting beam 3 and the shear ring 11 to be welded, then the welding gun 8 is inserted into the oscillator 7, and the welding angle is adjusted;
s2, fine adjustment is carried out on the oscillator 7 and the welding gun 8, the steel pipe pile 1 is rotated for one circle, the oscillator 7 is synchronously started, simulation welding is carried out, and normal operation of the welding device is guaranteed;
s3, starting welding of the first shear ring 11, simultaneously rotating the steel pipe pile 1 in the circumferential direction, and monitoring the welding quality and the welding speed in real time in the welding process;
and S4, after welding of one shear ring 11 is completed, lifting the welding gun 8, moving the walking trolley 4, clamping the roller 6 into the next shear ring 11, and starting welding of the next shear ring 11.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A welding device of a steel pipe pile shear ring is used for a steel pipe pile which can be horizontally arranged on a roller carrier in a rolling way, and is characterized by comprising a supporting beam which horizontally penetrates through the steel pipe pile, wherein two ends of the supporting beam are provided with supports fixed on the ground, and the supporting beam is provided with a walking trolley which moves along the axial direction of the steel pipe pile;
the travelling trolley is provided with a positioning piece capable of swinging along the axial direction of the steel pipe pile, the positioning piece extends towards the inner wall of the steel pipe pile, and the end part of the positioning piece is provided with a roller which is in rotary butt joint with the inner wall of the steel pipe pile;
the positioning piece is provided with a oscillator capable of swinging along the axial direction of the steel pipe pile, and the oscillator is provided with a welding gun facing the inner wall of the steel pipe pile.
2. The welding device for the steel pipe pile shear ring according to claim 1, wherein the support beam is provided with a guide rail extending in the axial direction of the steel pipe pile, and the walking trolley is provided with a walking wheel matched with the guide rail.
3. The welding device for the steel pipe pile shear ring according to claim 1, wherein the positioning piece is a positioning diagonal brace;
the movable trolley is provided with a rotating shaft, the axis of the rotating shaft is perpendicular to the axial direction of the steel pipe pile, a rotating part is rotatably arranged on the rotating shaft, and one end of the positioning inclined support is fixedly connected with the rotating part.
4. The welding device for the steel pipe pile shear ring according to claim 3, wherein the rotating member is a U-shaped rotating member, the rotating shaft is a bolt, the bolt passes through a mounting hole reserved in the U-shaped rotating member, a nut is mounted at an end of the bolt, and one end of the positioning inclined strut is fixedly connected with the U-shaped rotating member.
5. The welding device for the steel pipe pile shear ring according to claim 1, wherein the surface of the roller is provided with a circumferentially extending groove for matching with the shear ring of the inner wall of the steel pipe pile.
6. The welding device for the steel pipe pile shear ring according to claim 1, wherein the oscillator is electrically connected with a controller, and the controller can control the oscillation frequency of the oscillator.
7. The welding device for the steel pipe pile shear ring according to claim 1, wherein the swing output end of the oscillator is connected with a linkage rod extending along the axial direction of the steel pipe pile, and both ends of the linkage rod are connected with welding guns.
8. The welding device for the steel pipe pile shear ring according to claim 1, wherein two oscillators are connected to the positioning member and sequentially arranged in the axial direction of the steel pipe pile, and each oscillator is provided with a welding gun.
9. A welding method using the welding apparatus for the steel pipe pile according to any one of claims 1 to 5, comprising the steps of:
s1, extending the support beam into the steel pipe pile, wherein the length of the support beam needs to ensure that the welding device can be welded to the innermost circle of shear ring, and the support is arranged outside the steel pipe pile; after the positioning piece and the walking trolley are assembled, the positioning piece and the walking trolley are clamped into the supporting beam and the shear ring to be welded, then the welding gun is inserted into the oscillator, and the welding angle is adjusted;
s2, fine adjustment is carried out on the oscillator and the welding gun, the steel pipe pile is rotated for a circle, the oscillator is synchronously started, the device is subjected to simulated welding, and normal operation of the welding device is ensured;
s3, starting the first shear ring welding, circumferentially rotating the steel pipe pile, and monitoring the welding quality and the welding speed in real time in the welding process;
and S4, after welding of one shear ring is finished, lifting the welding gun, moving the walking trolley, clamping the roller into the next shear ring, and starting welding of the next shear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480663.8A CN113001053B (en) | 2021-04-30 | 2021-04-30 | Welding device and welding method for steel pipe pile shear ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480663.8A CN113001053B (en) | 2021-04-30 | 2021-04-30 | Welding device and welding method for steel pipe pile shear ring |
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| CN113001053A true CN113001053A (en) | 2021-06-22 |
| CN113001053B CN113001053B (en) | 2022-01-28 |
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| CN202110480663.8A Active CN113001053B (en) | 2021-04-30 | 2021-04-30 | Welding device and welding method for steel pipe pile shear ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055881A (en) * | 2022-07-28 | 2022-09-16 | 曹妃甸新天液化天然气有限公司 | Welding device and welding method for steel pipe pile shear ring |
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| JPH11285893A (en) * | 1998-04-02 | 1999-10-19 | Nippon Steel Weld Prod & Eng Co Ltd | Welding truck |
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| CN205437442U (en) * | 2016-03-24 | 2016-08-10 | 中国葛洲坝集团第一工程有限公司 | Steel pipe circumferential weld union melt welding connects device |
| CN107138834A (en) * | 2017-06-06 | 2017-09-08 | 中山广船国际船舶及海洋工程有限公司 | A kind of inside and outside wall of quick pipe of trackless hides weldering welder and welding method |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098165A (en) * | 1965-06-24 | 1968-01-10 | Olin Mathieson | Welding apparatus |
| JPH11285893A (en) * | 1998-04-02 | 1999-10-19 | Nippon Steel Weld Prod & Eng Co Ltd | Welding truck |
| CN201720583U (en) * | 2009-11-27 | 2011-01-26 | 河北省机械科学研究设计院 | Minitype automatic profiling welding tractor |
| CN102642069A (en) * | 2012-04-01 | 2012-08-22 | 茂名重力石化机械制造有限公司 | Automatic welding device for annular symmetrical fillet welds |
| CN103600157A (en) * | 2013-11-30 | 2014-02-26 | 天津重钢机械装备股份有限公司 | Automatic welding walking device in small-diameter pipeline |
| CN205437442U (en) * | 2016-03-24 | 2016-08-10 | 中国葛洲坝集团第一工程有限公司 | Steel pipe circumferential weld union melt welding connects device |
| CN107138834A (en) * | 2017-06-06 | 2017-09-08 | 中山广船国际船舶及海洋工程有限公司 | A kind of inside and outside wall of quick pipe of trackless hides weldering welder and welding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055881A (en) * | 2022-07-28 | 2022-09-16 | 曹妃甸新天液化天然气有限公司 | Welding device and welding method for steel pipe pile shear ring |
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