CN203431871U - Water-cooling type welding torch nozzle and welding torch with water-cooling type welding torch nozzle - Google Patents
Water-cooling type welding torch nozzle and welding torch with water-cooling type welding torch nozzle Download PDFInfo
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- CN203431871U CN203431871U CN201320526620.XU CN201320526620U CN203431871U CN 203431871 U CN203431871 U CN 203431871U CN 201320526620 U CN201320526620 U CN 201320526620U CN 203431871 U CN203431871 U CN 203431871U
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Abstract
The utility model discloses a water-cooling type torch nozzle and a welding torch with the water-cooling type welding torch nozzle. The water-cooling type torch nozzle comprises an ejecting nozzle. The ejecting nozzle comprises a conical tip and a cylinder coaxially connected with the tip, the ejecting nozzle is of a hollow structure, and a water-cooling circulation system is arranged outside the cylinder. Due to the fact that the structure that the water-cooling circulation system is arranged outside the cylinder is adopted, the temperature of the cylinder is reduced, the temperature of the mixed gas inside the cylinder is reduced, gas explosion caused by heating is avoided, and the problem of gun explosion caused by fire returning is solved thoroughly. Selection is facilitated through two optimizing structures, and the water-cooling type welding torch nozzle can be suitable for different working conditions and environments.
Description
Technical field
The utility model relates to jetting-sucking welding torch and balanced pressure torch, specifically refers to a kind of water-cooling type torch-tip and the welding torch forming thereof.
Background technology
Pressurized-water reactor nuclear power plant reactor control rod driving mechanism vital part hook directly with drive rod effect, drive drive rod promote decline control rod assembly, with this realize nuclear power plant reactor stop and reaction speed; The safe class of hook is safe one-level, and quality guarantee grade is QA1.
Hook is that pawl groove is set on matrix, and hook material of main part is austenitic stainless steel, for increasing its wearability, need be at its motion matching part built-up welding one deck cobalt-base alloys, and surfacing part is totally 3 places, and wherein 2 places are small-sized pin-and-hole built-up welding; At present, due to the blockade of the small-sized pin-and-hole hole technique for overlaying of being gone abroad, domestic pressurized-water reactor nuclear power plant reactor hook used all relied on external import, and domestic hook started development in 2006, within 2007, complete small-sized pin-and-hole bead-welding technology evaluation, and in 2010, complete the life test of domestic hook.
The pin-and-hole built-up welding of hook is the cobalt-base alloys that built-up welding a layer thickness is about 3mm on the little hole wall of the dark 26mm of φ 14～φ 15.8mm, by designing requirement, built-up welding mode is oxyacetylene gas welding, but oxy-acetylene blowpipe in the market cannot meet the built-up welding operating mode of hook part, in built-up welding pin-and-hole process, can produce a large amount of convolution flame and cause frequent " the quick-fried rifle of the tempering " phenomenon that occurs of tip temperature rising, all can there are a large amount of intensive defects in " the quick-fried rifle of tempering " overlay cladding each time, causes a large amount of workpiece to scrap.
Utility model content
The purpose of this utility model is the welding torch that a kind of water-cooling type torch-tip is provided and forms, and solves the quick-fried rifle problem of current oxy-acetylene blowpipe tempering in use, avoids overlay cladding to occur a large amount of intensive defects.
The purpose of this utility model is achieved through the following technical solutions:
A torch-tip, comprises jet blower, jet blower comprise conical tip and with the coaxial cylinder being connected in tip, inside is cavity structure, in the outer setting of described cylinder, has water-cooling circulating system.The utility model is the improvement of making on traditional torch-tip, traditional jet blower that comprises, the agent structure of jet blower consists of two parts: tip, and cylinder, tip is coaxial assembling with cylinder, tip is conical, cylinder is used for being connected to pipeline, inside is cavity structure, the mist of oxygen-acetylene is spouting from tip, burning forms the working portion of welding torch, ad hoc structure due to hook, make flame often bend and return, cause the quick-fried rifle of usually tempering, in order to overcome this problem, the utility model adopts the frame mode that a water-cooling circulating system is set in cylindrical outer, reduce the temperature of cylinder, and then the temperature of reduction mist wherein, avoid it to be subject to thermal explosion, solved the problem of the quick-fried rifle of tempering completely, inventor is according to practical operation, preferably two kinds of water-cooling circulating systems:
The first: described water-cooling circulating system comprises cooled enclosure, cooled enclosure and cylinder form cooling chamber, are provided with water inlet and delivery port on cooled enclosure.Water-cooling circulating system of the present utility model, to fill a cooled enclosure at cylinder sleeve, cooled enclosure and cylinder outside form airtight toroidal cavity, this cavity is cooling chamber, on cooling chamber, offer water inlet and delivery port, by constantly supplementing cold water from water inlet, from delivery port, constantly discharge hot water, make cooling water can absorb in time heat, reduce the temperature of mist in cylinder, so, cooling chamber and cylinder interior only have one deck cylinder side wall to be separated by, and its heat transfer effect is comparatively obvious.
Described water inlet is near tip, and delivery port is near welding torch.As further improvement of the utility model, adopt water inlet near the structure of tip, can form convection current, improve heat exchange efficiency.
The second: described water-cooling circulating system is wrapped on cylinder and is formed by copper pipe, the two ends of copper pipe are respectively water inlet and delivery port.Water-cooling circulating system of the present utility model, is to utilize copper pipe coiling to form, and copper pipe forms spiral helicine circulation passage after being wound around, and so, heat exchange is comparatively even, and manufactures simply, utilizes longer heat exchanger channels to solve the problem of heat exchange efficiency, more practical.
, comprise handle, oxygen hose and acetylene hose are installed in handle, oxygen hose and acetylene hose are all connected on hybrid chamber, on described oxygen hose, oxygen flow meter is installed, acetylene flowmeter is installed on acetylene hose, on hybrid chamber, be connected with above-mentioned jet blower.The utility model is that traditional existing welding torch is improved, improved main body is existing jetting-sucking welding torch or balanced pressure torch, its critical piece comprises handle, handgrip part when handle is use, critical piece while operating for welder, portion is provided with two conduits within it, wherein one is oxygen hose, another root is acetylene hose, two conduits are all connected on hybrid chamber, hybrid chamber is positioned at the end of two conduits, hybrid chamber also has an outlet, in outlet, be connected with jet blower, the flame as welding torch of jet blower goes out a little, the utility model adopts installs oxygen flow meter on oxygen hose, acetylene flowmeter is installed simultaneously on acetylene hose, so, can adjust respectively oxygen flow and the acetylene flow that enters hybrid chamber by oxygen flow meter and acetylene flowmeter, thereby can accurately adjust length and the temperature of flame, with the adjustment amount that can estimate overcome the welding torch parameter that causes of lacking experience differ to, the problem that welding quality portion is stable, and, oxygen flow meter and acetylene flowmeter are arranged on handle, be convenient to constantly adjust, buffer time and the gas buffer distance of middle adjustment have been reduced, be applicable to complex process or parameter and need the technique of often adjusting, improved whole applicability.
End at described oxygen hose and acetylene hose is all provided with connector.Further, in order to make the dismantling property of welding torch itself better, on handle, on the opening of oxygen hose and acetylene hose, connector is installed, connector can be connected with oxygen cylinder by flexible pipe, so, can so that dismounting, install, improve practicality.
Spring stop valve is installed on described hybrid chamber.Further, as further improvement of the utility model, spring stop valve is installed on hybrid chamber, when not needing use or needs to disconnect suddenly, spring stop valve is just depressed and the mist of oxygen, acetylene can be enclosed in hybrid chamber, the injection channel of gas is sealed completely, in the time of need to using, again by pressing spring stop valve, just can set back, gas be sprayed smooth, can within the shortest time, seal, improve security.
Described jet blower is connected on extension by swivel joint, and extension is connected on hybrid chamber.Further, in order to improve the practicality of welding torch, it is applicable under different environment and condition, can adopt jet blower by swivel joint, extension, to be connected to successively the form of hybrid chamber, the direction of jet blower can be adjusted arbitrarily, and go for different work condition environments by the different extension of length, improved whole practicality.
The utility model compared with prior art, has following advantage and beneficial effect:
A kind of water-cooling type torch-tip of 1 the utility model, employing arranges the frame mode of a water-cooling circulating system in cylindrical outer, reduce the temperature of cylinder, and then the temperature of reduction mist wherein, avoid it to be subject to thermal explosion, solved the problem of the quick-fried rifle of tempering completely, and two kinds of preferred structures are convenient to select more, are applicable to different operating modes and environment;
A kind of welding torch of 2 the utility model, oxygen flow meter is installed in employing on oxygen hose, acetylene flowmeter is installed simultaneously on acetylene hose, so, can adjust respectively oxygen flow and the acetylene flow that enters hybrid chamber by oxygen flow meter and acetylene flowmeter, thereby can accurately adjust length and the temperature of flame, with the adjustment amount that can estimate overcome the welding torch parameter that causes of lacking experience differ to, the problem that welding quality portion is stable, and, oxygen flow meter and acetylene flowmeter are arranged on handle, be convenient to constantly adjust, buffer time and the gas buffer distance of middle adjustment have been reduced, be applicable to complex process or parameter and need the technique of often adjusting, improved whole applicability,
A kind of welding torch of 3 the utility model, spring stop valve is installed on hybrid chamber, when not needing use or needs to disconnect suddenly, spring stop valve is just depressed and the mist of oxygen, acetylene can be enclosed in hybrid chamber, the injection channel of gas is sealed completely, in the time of need to using, again by pressing spring stop valve, just can set back, gas is sprayed smooth, can within the shortest time, seal, improved security;
A kind of welding torch of 4 the utility model, adopt jet blower by swivel joint, extension, to be connected to successively the form of hybrid chamber, the direction of jet blower can be adjusted arbitrarily, and go for different work condition environments by the different extension of length, improved whole practicality.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of the utility model embodiment mono-water cooled welding torch nozzle;
Fig. 3 is the structural representation of the utility model embodiment bis-water cooled welding torch nozzles.
Mark and corresponding parts title in accompanying drawing:
1-handle, 2-oxygen hose, 3-acetylene hose, 4-hybrid chamber, 5-jet blower, 6-oxygen flow meter, 7-acetylene flowmeter, 8-connector, 9-spring stop valve, 10-swivel joint, 11-extension, 51-tip, 52-cylinder, 53-cooled enclosure, 54-cooling chamber, 55-water inlet, 56-delivery port, 57-copper pipe.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment mono-
As shown in Figure 1 and Figure 2, a kind of welding torch of the utility model, adopts balanced pressure torch, and it comprises handle 1, and handgrip part when handle 1 is use, is provided with two conduits in handle 1 inside, and wherein one is oxygen hose 2, and oxygen flow meter 6 is installed on oxygen hose 2, another root is acetylene hose 3,7, two conduits of acetylene flowmeter is installed on acetylene hose 3 and is all connected on hybrid chamber 4, at the end of two conduits, connector 8 is all installed, and connector 8 is positioned at 1 outside, hybrid chamber 4 is positioned at the end of two conduits, hybrid chamber 4 also has an outlet, in outlet, be connected with extension 11, end at extension 11 is connected with swivel joint 10, on swivel joint 10, be connected with jet blower 5, jet blower 5 comprises conical tip 51, and with the coaxial cylinder being connected 52 in tip 51, inside is cavity structure, in the outside of cylinder 52, cooled enclosure 53 is installed, cooled enclosure 53 forms cooling chamber 54 with cylinder 52, on cooled enclosure 53, be provided with water inlet 55 and delivery port 56, wherein water inlet 55 is positioned at 51 one end, tip, and delivery port 56 is near swivel joint 10, spring stop valve 9 is also installed on hybrid chamber 4, and spring stop valve 9 is for the blocking-up of the injection channel of oxygen-acetylene mist.
Embodiment bis-
As Fig. 1, as shown in Figure 3, the difference of the present embodiment and embodiment mono-is only: water-cooling circulating system is formed by copper pipe 57 coilings, copper pipe 57 is wound in helical form, the two ends of copper pipe are respectively water inlet 55 and delivery port 56, similar with embodiment mono-, can take water inlet 55 to be positioned at 51 one end, tip, and delivery port 56 is near swivel joint 10, forms convection current.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, the equivalent variations in every foundation technical spirit of the present utility model, above embodiment done, within all falling into protection domain of the present utility model.
Claims (8)
1. a water-cooling type torch-tip, comprise jet blower (5), jet blower (5) comprise conical tip (51) and with tip (51) the coaxial cylinders that are connected (52), inside is cavity structure, it is characterized in that: the outer setting at described cylinder (52) has water-cooling circulating system.
2. a kind of water-cooling type torch-tip according to claim 1, it is characterized in that: described water-cooling circulating system comprises cooled enclosure (53), cooled enclosure (53) forms cooling chamber (54) with cylinder (52), is provided with water inlet (55) and delivery port (56) on cooled enclosure (53).
3. a kind of water-cooling type torch-tip according to claim 2, is characterized in that: described water inlet (55) is near tip (51), and delivery port (56) is near welding torch.
4. a kind of water-cooling type torch-tip according to claim 1, is characterized in that: described water-cooling circulating system is wrapped in cylinder (52) by copper pipe (57) and above forms, and the two ends of copper pipe (57) are respectively water inlet and delivery port.
5. a welding torch, comprise handle (1), oxygen hose (2) and acetylene hose (3) are installed in handle (1), oxygen hose (2) and acetylene hose (3) are all connected on hybrid chamber (4), it is characterized in that: oxygen flow meter (6) is installed on described oxygen hose (2), acetylene flowmeter (7) is installed on acetylene hose (3), on hybrid chamber (4), is connected with above-mentioned jet blower (5).
6. a kind of welding torch according to claim 5, is characterized in that: the end at described oxygen hose (2) and acetylene hose (3) is all provided with connector (8).
7. according to a kind of welding torch described in claim 5 or 6, it is characterized in that: spring stop valve (9) is installed on described hybrid chamber (4).
8. according to a kind of welding torch described in claim 5 or 6, it is characterized in that: it is upper that described jet blower (5) is connected to extension (11) by swivel joint (10), and extension (11) is connected on hybrid chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526620.XU CN203431871U (en) | 2013-08-28 | 2013-08-28 | Water-cooling type welding torch nozzle and welding torch with water-cooling type welding torch nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526620.XU CN203431871U (en) | 2013-08-28 | 2013-08-28 | Water-cooling type welding torch nozzle and welding torch with water-cooling type welding torch nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431871U true CN203431871U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526620.XU Expired - Lifetime CN203431871U (en) | 2013-08-28 | 2013-08-28 | Water-cooling type welding torch nozzle and welding torch with water-cooling type welding torch nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431871U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763400A (en) * | 2015-03-19 | 2015-07-08 | 新奥气化采煤有限公司 | Underground gasification jet nozzle |
| CN104863563A (en) * | 2015-04-09 | 2015-08-26 | 新奥气化采煤有限公司 | Nozzle |
| CN106051771A (en) * | 2016-06-29 | 2016-10-26 | 张超 | Gas cutting nozzle |
| CN106439822A (en) * | 2016-09-21 | 2017-02-22 | 西南石油大学 | Flow-controllable rotatable oxyacetylene torch |
-
2013
- 2013-08-28 CN CN201320526620.XU patent/CN203431871U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763400A (en) * | 2015-03-19 | 2015-07-08 | 新奥气化采煤有限公司 | Underground gasification jet nozzle |
| CN104763400B (en) * | 2015-03-19 | 2019-04-02 | 新奥科技发展有限公司 | A kind of underground gasification nozzle |
| CN104863563A (en) * | 2015-04-09 | 2015-08-26 | 新奥气化采煤有限公司 | Nozzle |
| CN106051771A (en) * | 2016-06-29 | 2016-10-26 | 张超 | Gas cutting nozzle |
| CN106439822A (en) * | 2016-09-21 | 2017-02-22 | 西南石油大学 | Flow-controllable rotatable oxyacetylene torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |