CN105965118A - Underwater induction brazing method - Google Patents
Underwater induction brazing method Download PDFInfo
- Publication number
- CN105965118A CN105965118A CN201610326916.5A CN201610326916A CN105965118A CN 105965118 A CN105965118 A CN 105965118A CN 201610326916 A CN201610326916 A CN 201610326916A CN 105965118 A CN105965118 A CN 105965118A
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- CN
- China
- Prior art keywords
- induction
- under water
- welded
- brazing
- frequency cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention belongs to the technical field of underwater welding, and provides an underwater induction brazing method. The method is achieved through utilizing an underwater induction brazing device. The device comprises the main structures of a sensor, a high-frequency cable, an induction heating device, a preset filling material, a to-be-welded workpiece and a coating layer, wherein the induction heating device is arranged above the water surface and needs to be energized during operation; the high-frequency cable is connected with the sensor, and extends to the underwater to-be-welded workpiece, and the induction heating device is used for supplying power and controlling the heating process of induction brazing; and before brazing, firstly, the preset filling material is assembled, a to-be-welded part is wrapped with the coating layer, then, the high-frequency cable extends the sensor to a welding position of the to-be-welded workpiece, and the heating process of induction brazing is controlled through the induction heating device. According to the invention, underwater induction brazing is carried out through adopting the underwater induction brazing method, so that an underwater pipeline can be repaired safely, efficiently and reliably, and a novel underwater welding method is developed.
Description
Technical field
The present invention relates to underwater welding technology field, particularly one induction brazing method under water.
Background technology
Underwater Welding is ocean engineering manufacture, submarine oil exploitation, the important technology of submarine pipeline maintenance, and meanwhile, Underwater Welding is also the important application technology in science and techniques of defence.At present in underwater welding technology, development more ripe is arc welding technology under water.But in some cases, use induction brazing technology to be under water more convenient for implementing operation, and induction brazing is machine operation, after running parameter determines, induction brazing just has uniform performance, welding quality stable.So it is desirable to provide a kind of new underwater welding method.
Summary of the invention
It is an object of the invention to provide one induction brazing method under water, provide a kind of new approach for Underwater Welding.
The present invention provides one induction brazing method under water, and the method uses induction brazing device under water to realize, and the agent structure of this device includes induction apparatus, high frequency cable, induction heating equipment, preset packing material, workpiece to be welded, clad.Described induction heating equipment is placed in more than the water surface, needs energising during work, and described high frequency cable is to connect induction apparatus, and extends at workpiece the most to be welded, and described induction heating equipment is used for powering and controlling the heating process of induction brazing.Before soldering, first assemble preset packing material, and with clad, part to be welded is encased, then by high frequency cable induction apparatus extended at the welding position of workpiece to be welded, then controlled the heating process of induction brazing by induction heating equipment, and complete soldering.
Preferably, induction apparatus is placed in heated parts under water, uses high frequency cable to connect induction heating equipment and induction apparatus.
Preferably, induction apparatus can utilize the water natural cooling in surrounding aqueous environment.
Preferably, induction apparatus itself has positioner, can be fixed on workpiece at suitable welding position by induction apparatus by it.And positioner has high temperature resistant, high intensity, the feature that will not be inductively heated, and can be firmly secured on induction apparatus.
Preferably, high frequency cable, induction apparatus and connection node thereof are both needed to waterproof and insulation processing.
Preferably, the preset packing material of areas outside to be welded.
Preferably, region to be welded needs fixing upper clad, and this clad plays waterproof, the effect of insulation, and clad inner surface comprises proper amount of dry drying prescription, and desiccant can remove the moisture of brazing space residual quickly and effectively.
Preferably, the region to be welded clad being fixed on workpiece by gluing or additive method.
The present invention provides one induction brazing method under water, and the method comprises the steps:
Step one: induction heating equipment is placed in more than the water surface, energising；
Step 2: under water areas outside to be welded is assembled packing material, wraps clad；
Step 3: extend at workpiece the most to be welded by induction apparatus along high frequency cable, utilizes positioner to complete the weldering prelocalization of induction apparatus；
Step 4: set the brazing process variables heating process with control induction brazing, start induction heating equipment；
Step 5: after induction brazing, stops induction heating equipment, high frequency cable and induction apparatus is reclaimed.
Preferably, after sensing heating terminates, sensing heating can be optionally used to carry out heat treatment to soldered fitting.
Preferably, during welding, after clad fusing, now packing material is already at during joint filling or complete joint filling, when connector exterior touches water, due to sensing heating, the water meeting rapid vaporization that metal surface touches, form a metastable air chamber so that joint is in an air chamber package status, to reduce the impact of water Welded Joints.
Use the present invention to carry out induction brazing under water, can safe and efficient, reliably carry out underwater pipeline reparation, thus open a kind of new underwater welding method.
Accompanying drawing explanation
Fig. 1 is the apparatus structure principle schematic of induction brazing under water realizing the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, and for the sake of clarity, in accompanying drawing, various piece is not to scale.
The induction brazing method under water that the present embodiment relates to, the method uses induction brazing device under water to realize, and the agent structure of this device includes induction apparatus (1), high frequency cable (2), induction heating equipment (3), preset packing material (4), workpiece to be welded (5), clad (6)；Described induction heating equipment (3) is placed in more than the water surface, energising is needed during work, described high frequency cable (2) is to connect induction apparatus (1), and extends to workpiece the most to be welded (5) place, and described induction heating equipment (3) is used for powering and controlling the heating process of induction brazing.Before soldering, first preset packing material (4) is assembled, and with clad (6), part to be welded is encased, then by high frequency cable (2), induction apparatus (1) is extended at the welding position of workpiece to be welded (5), controlled the heating process of induction brazing again by induction heating equipment (3), and complete soldering.
Preferably, induction apparatus (1) is placed in and heats workpiece to be welded (5) under water, needs to use high frequency cable (2) to connect induction heating equipment (3) and induction apparatus (1)；Induction apparatus (1) can utilize the water natural cooling in surrounding aqueous environment；Induction apparatus (1) itself has positioner, induction apparatus (1) can be fixed on workpiece at suitable welding position by positioner before welding, and the feature that this positioner has high temperature resistant, high intensity, will not be inductively heated, and can be firmly secured on induction apparatus (1).
In order to prevent high frequency cable (2), induction apparatus (1) and connection node thereof from being affected by water, it is preferable that high frequency cable (2), induction apparatus (1) and connection node thereof all carry out waterproof and insulation processing.
In order to ensure brazing quality, it is to avoid the surrounding aqueous environment impact on soldered fitting quality, it is preferable that the fixing upper clad (6) in region to be welded, this clad (6) plays waterproof, the effect of insulation；Clad (6) inner surface comprises proper amount of dry drying prescription, and desiccant can remove the moisture of brazing space residual quickly and effectively, and clad (6) can be fixed to region to be welded by gluing or additive method.
Before soldering, first induction heating equipment (3) is placed in more than the water surface, energising；Areas outside the most to be welded is assembled preset packing material (4), wraps clad (6)；Along high frequency cable (2), induction apparatus (1) is extended to workpiece the most to be welded (5) place, the positioner on induction apparatus (1) is stuck at the suitable welding position of workpiece to be welded (5), utilize positioner to complete the weldering prelocalization of induction apparatus (1)；Then, induction heating equipment (3) sets the brazing process variables heating process with control induction brazing, start induction heating equipment (3) and heat to start sensing, and this sensing heating process is controlled.
During welding, after clad (6) fusing, the most preset packing material (4) is already at during joint filling or complete joint filling, when the heated region exterior of workpiece to be welded (5) touches water, due to sensing heating, the water meeting rapid vaporization that metal surface touches, form a metastable air chamber, joint is made to be in an air chamber package status, to reduce the water impact on soldered fitting.
After sensing heating terminates, sensing heating can be optionally used to carry out heat treatment to soldered fitting.
After induction brazing, stop induction heating equipment (3), induction apparatus (1) is withdrawn from welding region, reclaim induction apparatus (1) and high frequency cable (2).
Last it should be noted that the foregoing is only the citing clearly demonstrating the present invention, and not restriction to embodiment.Change or the variation of other multi-form can also be made on the basis of the above description, here without carrying out exhaustive to all embodiments.And within the spirit invented at this and principle, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (8)
1. an induction brazing method under water, it is characterised in that the method uses induction brazing device under water to realize, and the agent structure of this device includes induction apparatus, high frequency cable, induction heating equipment, preset packing material, workpiece to be welded, clad；Described induction heating equipment is placed in more than the water surface, needs energising during work, and described high frequency cable is to connect induction apparatus, and extends at workpiece the most to be welded, and described induction heating equipment is used for powering and controlling the heating process of induction brazing；Before soldering, first assemble preset packing material, and with clad, part to be welded is encased, then by high frequency cable induction apparatus extended at the welding position of workpiece to be welded, then controlled the heating process of induction brazing by induction heating equipment, and complete soldering；The method comprises the steps:
Step one: induction heating equipment is placed in more than the water surface, energising；
Step 2: under water areas outside to be welded is assembled packing material, wraps clad；
Step 3: extend at workpiece the most to be welded by induction apparatus along high frequency cable, utilizes positioner to complete the weldering prelocalization of induction apparatus；
Step 4: set the brazing process variables heating process with control induction brazing, start induction heating equipment；
Step 5: after soldering, stops induction heating equipment, high frequency cable and induction apparatus is reclaimed.
2. one induction brazing method under water as claimed in claim 1, it is characterised in that induction apparatus is placed in heated parts under water, uses high frequency cable to connect induction heating equipment and induction apparatus.
3. one induction brazing method under water as claimed in claim 1, it is characterised in that induction apparatus can utilize the water natural cooling in surrounding aqueous environment.
4. one induction brazing method under water as claimed in claim 1, it is characterised in that induction apparatus itself has positioner, can be fixed on induction apparatus on workpiece at suitable welding position by it.
5. one induction brazing method under water as claimed in claim 1, it is characterised in that high frequency cable, induction apparatus and connection node thereof all carry out waterproof and insulation processing.
6. one induction brazing method under water as claimed in claim 1, it is characterised in that region to be welded needs fixing upper clad, this clad plays waterproof, the effect of insulation, and clad inner surface comprises proper amount of dry drying prescription.
7. one induction brazing method under water as claimed in claim 1, it is characterised in that the preset packing material of areas outside to be welded.
8. one induction brazing method under water as claimed in claim 1, may apply to other heating states under water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326916.5A CN105965118A (en) | 2016-05-17 | 2016-05-17 | Underwater induction brazing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326916.5A CN105965118A (en) | 2016-05-17 | 2016-05-17 | Underwater induction brazing method |
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| Publication Number | Publication Date |
|---|---|
| CN105965118A true CN105965118A (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610326916.5A Pending CN105965118A (en) | 2016-05-17 | 2016-05-17 | Underwater induction brazing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107655A1 (en) * | 2016-12-12 | 2018-06-21 | 广州微点焊设备有限公司 | Underwater welding apparatus and method for electric resistance welding |
-
2016
- 2016-05-17 CN CN201610326916.5A patent/CN105965118A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107655A1 (en) * | 2016-12-12 | 2018-06-21 | 广州微点焊设备有限公司 | Underwater welding apparatus and method for electric resistance welding |
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Application publication date: 20160928 |