CN104923882B - Underwater wet process welding device and method - Google Patents
Underwater wet process welding device and method Download PDFInfo
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- CN104923882B CN104923882B CN201510380986.4A CN201510380986A CN104923882B CN 104923882 B CN104923882 B CN 104923882B CN 201510380986 A CN201510380986 A CN 201510380986A CN 104923882 B CN104923882 B CN 104923882B
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- welding
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- welding gun
- waveguide
- underwater wet
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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
- B23K9/00—Arc welding or cutting
- B23K9/0061—Underwater arc welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Arc Welding In General (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention relates to an underwater wet process welding device which is characterized in that a microwave generator, a microwave controller, a microwave radiator, a waveguide tube, a mica sheet, a welding gun clamping device and a welding gun are included. The microwave controller is connected with the microwave generator through a lead. One end of the microwave radiator is connected with the microwave generator. The waveguide tube is placed on the outer side of the microwave radiator. One end of the waveguide tube is provided with a mica sheet. The welding gun is arranged on the welding gun clamping device. According to the underwater wet process welding device and method, the microwave heating principle is used, the microwave radiator emits microwaves to carry out vibrating heating on water at a welding joint, water temperature is increased, water is vaporized, bubbles are generated, the generated bubbles can suspend in water, accordingly, the surface of the welding joint has little water or a small amount of water, and the influence on welding from water is lowered to the maximum degree.
Description
Technical field
The present invention relates to underwater welding technology field, particularly a kind of underwater wet welding device and side
Method.
Background technology
Underwater Welding is submarine oil exploitation, ocean engineering manufacture, the crucial skill of submarine pipeline maintenance
Art.Underwater Welding is also an important application technology in national defense construction simultaneously, for marine naval vessels
Emergency repair and marine salvage.Underwater wet welding, due to the existence of water, causes thermal losses
Greatly, residual hydrogen increase, finally make weldquality the highest, traditional underwater wet welding method without
Method effectively avoids the impact of water.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of underwater wet welding device and method,
To solve technical problem of the prior art.
According to the first aspect of the invention, it is provided that a kind of underwater wet welding device, send out including microwave
Raw device, microwave controller, microwave radiometer, waveguide, mica sheet, welding gun holding device and weldering
Rifle, described microwave controller is connected with described microwave generator by wire, described microwave radiometer
One end be connected with described microwave generator；Described waveguide is positioned at outside described microwave radiometer
Side, its one end is provided with described mica sheet；Described welding gun is arranged on described welding gun holding device.
Preferably, described wave guide cross-section is circular or rectangle.
Preferably, also include that housing, described microwave generator are arranged in described housing, described shell
It is provided with through hole on the bottom surface of body.
Preferably, described welding gun holding device includes the first clamping element and the second clamping element.
Preferably, described first clamping element and the second clamping element are two cylindrical metal blocks, two
One end is all had radially to be provided with a semi-cylindrical groove on described cylindrical metal block, described half
Cylindrical groove along the radial direction of described cylindrical metal block completely through the end of cylindrical metal block
Face, described cylindrical metal block is not provided with on the end face of semi-cylindrical groove being provided with vertical with end face
Tapped through hole, axial completely through described circle along described cylindrical metal block of described tapped through hole
Cylindricality metal derby, and it is distributed in the both sides of described semi-cylindrical groove.
Preferably, described housing and welding gun holding device are each attached in mobile device, and by described
Mobile device drives described waveguide and welding gun to move.
Preferably, described welding gun holding device is arranged on the side of described housing, and described housing is pacified
Install in mobile device, and driven described waveguide and welding gun to move by described mobile device.
Preferably, described microwave generator, microwave radiometer, waveguide and mica sheet arrange two groups,
And the both sides being arranged on described welding gun of symmetry.
According to the second aspect of the invention, it is provided that the using method of a kind of underwater wet welding device,
Comprise the steps:
Step one: the position adjusting described waveguide and welding gun is located at directly over the weld seam of weldment
The position of certain distance；
Step 2: connect described microwave controller power supply, set the work of described microwave generator
Time and microwave frequency；
Step 3: after described microwave generator first works a period of time, opens the source of welding current, adjusts
After having saved welding parameter, described welding gun is started working, and is driven described waveguide by mobile device simultaneously
And welding gun is along described weld movement；
Step 4: after the described microwave controller setting time terminates, close the described source of welding current, weldering
Connect stopping.
Preferably, after weld seam welding terminates, close the source of welding current of described welding gun, then by described shifting
Dynamic device drives described waveguide and welding gun back to move along described weld seam, by microwave heating butt welding
Seam carries out slow cooling.
The underwater wet welding device and method that the present invention provides, utilizes microwave heating principle, passes through
Microwave radiometer is launched the water at microwave butt welded seam and is carried out concussion heating, makes coolant-temperature gage raise and gasifies,
Produce bubble, the bubble of generation can suspend in water so that face of weld reach anhydrous or
Containing the degree of a small amount of water, the impact of welding is preferably minimized by water.
Accompanying drawing explanation
By description to the embodiment of the present invention referring to the drawings, the present invention above-mentioned and other
Objects, features and advantages will be apparent from, in the accompanying drawings:
Fig. 1 is underwater wet welding device schematic diagram of the present invention；
Fig. 2 is welding gun holding device schematic diagram.
Detailed description of the invention
It is more fully described various embodiments of the present invention hereinafter with reference to accompanying drawing.In various figures,
Identical element uses same or similar reference to represent.For the sake of clarity, in accompanying drawing
Various piece be not necessarily to scale.
As shown in Figure 1-2, the underwater wet welding device that the present invention provides, including microwave generator
1, housing 2, microwave radiometer 3, waveguide 4, mica sheet 5, welding gun holding device 6, welding gun
7, microwave controller 8 and the source of welding current 10, described microwave controller 8 is micro-with described by wire
Wave producer 1 connects, and is used for controlling working time and the microwave of generation of described microwave generator 1
Power and frequency etc., microwave power is 0～900W, and the microwave operational frequencies of employing is
2400～2500MHz, preferably 2450MHz；Described microwave generator 1 is arranged on described housing
In 2, and it is bolted on the bottom surface of described housing 2, the bottom surface of described housing 2 sets
Be equipped with through hole (not shown), between each of described housing 2 and and other equipment between connection
It is and is tightly connected, so that will not enter in described housing 2 when described welder works under water
Water；Described microwave radiometer 3 through the through hole on described housing 2 bottom surface and is installed to described microwave
On generator 1, it is outside that a part for described microwave radiometer 3 is positioned at described housing 2；Described ripple
A length of the 20 of conduit 4～200mm, cross section is circular or rectangle, when described waveguide 4 cross section
During for circle, its internal diameter is 70～80mm；When the cross section of described waveguide 4 is rectangle, its section
A length of the 109 of face～110mm, a width of 54～55mm, it is preferable that the material of described waveguide 4
For stainless corrugated tube, minimum wall thickness (MINI W.) is 2mm, and its inwall does polishing so that it is more
Being beneficial to the propagation of microwave, described waveguide 4 is tightly connected with the through hole on described housing 2 bottom surface,
One end that described waveguide 4 is not connected with through hole on described housing 2 bottom surface is provided with described mica sheet
5, the shape of described mica sheet 5 is identical with the cross sectional shape of described waveguide 4, described mica sheet 5
It is connected with the end seal of described waveguide 4, by the end-enclosed of described waveguide 4, makes microwave
May pass through described mica sheet 5 and water is carried out concussion heating, but water can not enter in described waveguide 4.
In the application, due to be between described housing 2, mica sheet 5 and waveguide 4 sealing structure and
Being tightly connected, therefore the welder in the application can use under water.
As in figure 2 it is shown, described welding gun holding device 6 includes the first clamping element and the second clamping element,
The shape of described first clamping element and the second clamping element does not has special requirement, as long as can be by described
Welding gun 7 clamps.Preferably, described first clamping element and the second clamping element are two cylinders
Metal derby 61, two described cylindrical metal blocks 61 all have one end to be radially provided with one
Semi-cylindrical groove 62, described semi-cylindrical groove 62 is along the radial direction of described cylindrical metal block 61
Completely through the end face of cylindrical metal block 61, described cylindrical metal block 61 is not provided with semicircle
The tapped through hole 63 vertical with end face, described tapped through hole 63 it is provided with on the end face of cylindrical groove 62
Axial completely through described cylindrical metal block 61 along described cylindrical metal block 61, and be distributed
In the both sides of described semi-cylindrical groove 62, corresponding setting on two described cylindrical metal blocks 61
It is equipped with two or more described tapped through hole 63.One piece of described cylindrical metal block 61 is not provided with
One end of described semi-cylindrical groove 62 is bolted and is fixed on the side of described housing 2,
Described welding gun 7 is placed in described semi-cylindrical groove 62, then by another described cylindrical metal block
The semi-cylindrical groove 62 of 61 is directed at described welding gun 7 and by bolt by two described cylindrical metals
Block 61 connects, and adjusts the position of described welding gun 7, and makes the ignition tip of described welding gun 7 and described ripple
One end that conduit 4 is provided with described mica sheet 5 is concordant, then will connect two described cylindrical gold
The bolt belonging to block 61 is tightened, and with the position of fixing described welding gun 7, described welding gun 7 welds with described
Power supply 10 connects, it is preferable that the described source of welding current 10 is the consumable electrode source of welding current.Described housing
2 are installed to (not shown) in mobile device, and are driven described waveguide by described mobile device
4 and welding gun 7 move.Preferably, described welding gun holding device 6 and housing 2 can be respectively installed to
In described mobile device, and described waveguide 4 is made to be provided with one end of described mica sheet 5 with described
The ignition tip of welding gun 7 is concordant.The most described waveguide when described mobile device moves
During the front that 4 are positioned at described welding gun 7, it is subjected to, after welding terminates, closes described weldering
Connecing power supply 10, then make described mobile device with described welding gun 7 front, described waveguide 4 is posterior
Direction carries out weld seam slow cooling operation along weld movement.
Preferably, the both sides of described welding gun 7 are respectively provided with described microwave generator 1, housing 2, microwave
Irradiator 3, waveguide 4 and mica sheet 5, and make described welding gun 7 and two described waveguides 4
It is located along the same line, and is provided with one end of described mica sheet 5 on described waveguide 4 all and institute
The ignition tip stating welding gun 7 is concordant, and in the direction of movement microwave generator 1 described in a group, housing 2,
Microwave radiometer 3, waveguide 4 and mica sheet 5 are positioned at the front of described welding gun 7, and another organizes position
Rear in described welding gun 7.Now, described mobile device only need to be moved towards movement along weld seam and is once
Welding operation can be completed operate with slow cooling.
The using method of the underwater wet welding device that the present invention provides is:
Described waveguide 4 and welding gun 7 are adjusted to being positioned at the surface of weldment 9 weld seam and away from described
The position of weld seam 10～30mm, opens the power supply of described microwave controller 8, sets microwave frequency
And weld interval, make described microwave generator 1 first work a period of time, it is therefore preferable to 5 minutes；
Described microwave generator 1 works and opens the described source of welding current 10 after a period of time and adjust welding parameter
After, described welding gun 7 starts welding, and mobile device drives described waveguide 4 and welding gun 7 edge simultaneously
Weld movement, and described waveguide 4 is positioned at before described welding gun 7, so, utilizes microwave to add
Pyrogen is managed, and launches the water at microwave butt welded seam by microwave radiometer 3 and carries out concussion heating, makes water
Temperature raises and gasifies, and produces bubble, and the bubble of generation suspends in water, so that weld seam table
Face reaches anhydrous or containing a small amount of water degree, water is preferably minimized the impact of welding；Described weld seam
After welding terminates, close the source of welding current 10 of described welding gun 7, then driven institute by described mobile device
Stating waveguide 4 and welding gun 7 back moves along described weld seam, now, described welding gun 7 is positioned at described
Before waveguide 4, carry out slow cooling by microwave heating butt welded seam, improve welding quality further.
After terminating the weld interval that described microwave controller 8 sets, close described microwave controller 8
Power supply, removes described waveguide 4 and welding gun 7.
When the both sides of described welding gun 7 are respectively provided with described microwave generator 1, housing 2, microwave radiometer
3, waveguide 4 and mica sheet 5, described mobile device only need to move towards movement along weld seam once can be complete
Welding operation is become to operate with slow cooling.
Last it is noted that obvious, above-described embodiment is only for clearly demonstrating institute of the present invention
The citing made, and not restriction to embodiment.Those of ordinary skill in the field are come
Say, can also make other changes in different forms on the basis of the above description.Here
Without also cannot all of embodiment be given exhaustive.And thus amplified out obvious
Change or change among still in protection scope of the present invention.
Claims (10)
1. a underwater wet welding device, it is characterised in that include microwave generator, microwave control
Device processed, microwave radiometer, waveguide, mica sheet, welding gun holding device and welding gun, described microwave
Controller is connected with described microwave generator by wire, and one end of described microwave radiometer is with described
Microwave generator is connected；Described waveguide is positioned at the outside of described microwave radiometer, and its one end sets
It is equipped with described mica sheet；Described welding gun is arranged on described welding gun holding device.
Underwater wet welding device the most according to claim 1, it is characterised in that described ripple
Catheter section is circular or rectangle.
Underwater wet welding device the most according to claim 1, it is characterised in that also include
Housing, described microwave generator is arranged in described housing, the bottom surface of described housing is provided with logical
Hole.
Underwater wet welding device the most according to claim 1, it is characterised in that described weldering
Rifle clamping device includes the first clamping element and the second clamping element.
Underwater wet welding device the most according to claim 4, it is characterised in that described
One clamping element and the second clamping element are two cylindrical metal blocks, on two described cylindrical metal blocks
All having one end to be radially provided with a semi-cylindrical groove, described semi-cylindrical groove is along described cylinder
The radial direction of shape metal derby is completely through the end face of cylindrical metal block, described cylindrical metal block
It is not provided with on the end face of semi-cylindrical groove being provided with the tapped through hole vertical with end face, described screw thread
Axial completely through described cylindrical metal block along described cylindrical metal block of through hole, and be distributed in
The both sides of described semi-cylindrical groove.
Underwater wet welding device the most according to claim 3, it is characterised in that described shell
Body and welding gun holding device are each attached in mobile device, and are driven described ripple by described mobile device
Conduit and welding gun move.
Underwater wet welding device the most according to claim 3, it is characterised in that described weldering
Rifle clamping device is arranged on the side of described housing, and described housing is installed in mobile device, and
Described waveguide and welding gun is driven to move by described mobile device.
8., according to the underwater wet welding device according to any one of claim 1～7, its feature exists
In, described microwave generator, microwave radiometer, waveguide and mica sheet arrange two groups, and symmetrical
The both sides being arranged on described welding gun.
9. a using method for the underwater wet welding device described in claim 1, its feature exists
In, comprise the steps:
Step one: the position adjusting described waveguide and welding gun is located at directly over the weld seam of weldment
The position of certain distance；
Step 2: connect described microwave controller power supply, set the work of described microwave generator
Time and microwave frequency；
Step 3: after described microwave generator first works a period of time, opens the source of welding current, adjusts
After having saved welding parameter, described welding gun is started working, and is driven described waveguide by mobile device simultaneously
And welding gun is along described weld movement；
Step 4: after the described microwave controller setting time terminates, close the described source of welding current, weldering
Connect stopping.
The using method of underwater wet welding device the most according to claim 9, its feature
It is, after weld seam welding terminates, closes the source of welding current of described welding gun, then by described mobile device
Drive described waveguide and welding gun back to move along described weld seam, carried out by microwave heating butt welded seam
Slow cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380986.4A CN104923882B (en) | 2015-07-02 | 2015-07-02 | Underwater wet process welding device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380986.4A CN104923882B (en) | 2015-07-02 | 2015-07-02 | Underwater wet process welding device and method |
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| Publication Number | Publication Date |
|---|---|
| CN104923882A CN104923882A (en) | 2015-09-23 |
| CN104923882B true CN104923882B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510380986.4A Active CN104923882B (en) | 2015-07-02 | 2015-07-02 | Underwater wet process welding device and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705786A (en) * | 1995-12-29 | 1998-01-06 | General Electric Company | Underwater welding |
| CN101553337A (en) * | 2006-11-07 | 2009-10-07 | 阿海珐核能公司 | Device and method for automatic under-water welding for making a welding joint on a surface |
| CN103111734A (en) * | 2013-01-23 | 2013-05-22 | 哈尔滨工业大学（威海） | Method and device for improving underwater wet welding joint structure property |
| CN103769756A (en) * | 2014-02-26 | 2014-05-07 | 哈尔滨工业大学（威海） | Ultrasonic-assisted underwater wet welding method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5767900B2 (en) * | 2011-08-24 | 2015-08-26 | 株式会社東芝 | Underwater welding apparatus and method |
-
2015
- 2015-07-02 CN CN201510380986.4A patent/CN104923882B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705786A (en) * | 1995-12-29 | 1998-01-06 | General Electric Company | Underwater welding |
| CN101553337A (en) * | 2006-11-07 | 2009-10-07 | 阿海珐核能公司 | Device and method for automatic under-water welding for making a welding joint on a surface |
| CN103111734A (en) * | 2013-01-23 | 2013-05-22 | 哈尔滨工业大学（威海） | Method and device for improving underwater wet welding joint structure property |
| CN103769756A (en) * | 2014-02-26 | 2014-05-07 | 哈尔滨工业大学（威海） | Ultrasonic-assisted underwater wet welding method |
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| CN104923882A (en) | 2015-09-23 |
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