CN201900372U - Protective device for gas shielded welding - Google Patents
Protective device for gas shielded welding Download PDFInfo
- Publication number
- CN201900372U CN201900372U CN2010206673498U CN201020667349U CN201900372U CN 201900372 U CN201900372 U CN 201900372U CN 2010206673498 U CN2010206673498 U CN 2010206673498U CN 201020667349 U CN201020667349 U CN 201020667349U CN 201900372 U CN201900372 U CN 201900372U
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- Prior art keywords
- protective device
- guide rod
- air
- connects
- gas
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Abstract
The utility model provides a protective device for gas shielded welding, which comprises a gas pipe, a centered cover plate, a connection and guide gas rod, a supporting rib and a sealing cover plate, wherein the sealing cover plate is connected with the supporting rib, the lower end of the connection and guide gas rod is flexibly connected with the supporting rib, the connection and guide gas rod is fixed to the centered cover plate through a fastening mechanism, the connection and guide gas rod is connected with the gas pipe, the connection and guide gas rod is hollow, a gas outlet is formed on the wall of the connection and guide gas rod, an exhaust hole is formed on the centered cover plate, and the sealing cover plate is made of an elastic material. The protective device takes the effect of gas shield for welding intersecting line welding seams of two rotation curved surfaces, can greatly reduce the consumption of protective gas, and provides a continuous, stable and uniform flow of protective gas to greatly improve the welding quality of the welding seam and reduce the cost. The protective device is applied to the gas shielded welding of three-way pipes of different diameters, different materials and different specifications and the intersecting line welding seams of two different rotation curved surfaces.
Description
Technical field
The utility model relates to a kind of protective device that gas is protected welding that is used for, and is specifically related to a kind of protective device that is used for three-way pipe and two surface of revolution intersection weld seam gas guarantor welding.Especially the three-way pipeline of special material such as stainless steel tube and even Zirconium pipe and two surface of revolution intersection weld seam gas are protected the protective device of welding.
Background technology
In the gas shield welding of stainless steel tube three-way pipeline and two surface of revolution intersection weld seams, common gas guarantor method is the inner cavity of pipe in required welding, continues to be full of required protective gas; To ensure that protective gas forms the local gas protective layer in the welding process around electric arc, prevent to be harmful to the gas intrusion in molten drop and molten bath, guarantee the stable of welding process; And to the compression of arc column, make in the arc heat quantity set, the molten bath volume is little, and its welding heat affected zone is relative with welding deformation to be reduced, and welding quality is easy to guarantee; Work efficiency is improved, and cost can reduce.
But installing, making, keeping in repair in the gas shielded arc welding of three-way pipeline and two surface of revolution intersection weld seams, because of limbs can't enter long and narrow, erose inner chamber, before the welding of being everlasting and in the welding, give in the respective chamber to continue to provide and be full of required protective gas; The gas consumption amount is big, and gas concentration, the temperature of gas near the weld seam, is difficult to effective control; The welding quality of weld seam will rely on the consumption of greater amount protective gas to be guaranteed, cost is very high.
The utility model content
The gas that is used for that the utility model provides is protected the protective device that welds, and purpose is to provide a kind of efficient, low gas consumption; Structure is slim and graceful, simple; Can load and unload fast, easy to carry; Be suitable for and install, make, keep in repair the many materials of different-diameter multi-state, series specification three-way pipe and two different surface of revolution intersection weld seam gas are protected the protective device of welding.
For addressing the above problem, the gas that is used for that the utility model provides is protected the protective device that welds, and comprising: be used for the protective device that gas is protected welding, it is characterized in that, comprising:
Tracheae, the centering cover plate connects air-guide rod, support rib, seal cover board; Described seal cover board is connected with the support rib, and the described air-guide rod lower end that connects flexibly connects with the employing of support rib; The described air-guide rod that connects is fixed by retention mechanism and centering cover plate, and the described air-guide rod that connects is connected with tracheae; Described even air-guide rod is a hollow structure, connects the air-guide rod tube wall and is provided with venthole; Described centering cover plate is provided with steam vent; Described seal cover board is an elastomeric material.
As a kind of preferred version of the present utility model, described elastomeric material is a metal, and described metal is a copper alloy, or stainless steel, or high-carbon steel, or spring steel plate.
As a kind of preferred version of the present utility model, described seal cover board is oval or circular, and described seal cover board is a spill.
As a kind of preferred version of the present utility model, described seal cover board adopts the structure that removably connects with the support rib, and the described structure that removably connects is for being threaded, or connector connection fast.
As a kind of preferred version of the present utility model, the described bolt and nut that is threaded to connects, or tapping screw connects.
As a kind of preferred version of the present utility model, described support rib is a flute profile.
As a kind of preferred version of the present utility model, the described air-guide rod lower end that connects is provided with pan, and described support rib is provided with pan, and joint pin passes support rib pan and connects the air-guide rod pan, constitutes articulation and connects.
As a kind of preferred version of the present utility model, the described air-guide rod lower end that connects is provided with spherical entity, and described support rib is provided with the ball seat cave, and both constitute spherical articulation and connect.
As a kind of preferred version of the present utility model, the described air-guide rod lower end that connects adopts the universal joint articulation to be connected with the support rib.
As a kind of preferred version of the present utility model, the described company in the air-guide rod established the current stabilization layer, and described current stabilization layer is a screen net structure.
As a kind of preferred version of the present utility model, described centering cover plate lower surface is step flange structure or groove structure, each ladder border of described steam vent and described step flange structure, or described steam vent overlaps with each annular groove boundary member of groove structure.
As a kind of preferred version of the present utility model, described retention mechanism is for being threaded, and described company air-guide rod is an external thread structure, screws by nut and company's air-guide rod external screw thread;
As a kind of preferred version of the present utility model, but described retention mechanism is two eccentric bushings on the company's of being enclosed within air-guide rod cylindrical of control phase;
As a kind of preferred version of the present utility model, described retention mechanism is to be enclosed within described interior many lobes of the bag obvolvent sheet that connects on the air-guide rod cylindrical, with the described air-guide rod obvolvent gap radially that connects;
As a kind of preferred version of the present utility model, described retention mechanism is a C shape ring, and C shape ring set by regulating the bolt direction of rotation in C shape ring breach gap, reaches C shape ring and described even air-guide rod obvolvent or release radially on described even air-guide rod cylindrical;
As a kind of preferred version of the present utility model, described retention mechanism is O shape ring, O shape ring set connects on the air-guide rod cylindrical described, to the bolt direction of rotation that connects the air-guide rod center of circle, reaches O shape ring and described even air-guide rod obvolvent or release radially by adjusting O shape ring radial finger.
As a kind of preferred version of the present utility model, described tracheae is provided with gas control valve.
As a kind of preferred version of the present utility model, described tracheae by crossover sub with connect air-guide rod and be connected, at least one end of described crossover sub is a screw thread pair, or the patching interface or insert and add clip of quick-release type, or insertion adds the larynx hoop.
As a kind of preferred version of the present utility model, described tracheae with connect air-guide rod and directly adopt patching interface or insert and adding clip or insert the connected mode that adds the larynx hoop of screw thread pair or quick-release type.
The utility model provides a kind of protective device that gas is protected welding that is used for of efficient, low gas consumption, and it is simple in structure, and is slim and graceful, is convenient for carrying, and can load and unload fast; The more important thing is that in welding process lasting, stable, uniform protective gas can be provided, and the concentration of adjustable protective gas makes the welding quality of weld seam improve greatly, simultaneously because of the protective gas that consumes seldom, make cost effectively reduce.The also applicable different-diameter of the utility model, different materials are protected welding with the three-way pipe and the two different surface of revolution intersection weld seam gas of different size.
Description of drawings
Fig. 1 is used for the user mode front section view that three-way pipe intersection weld seam gas is protected the protective device of welding for the utility model;
Fig. 2 is used for the user mode front section view that ellipse head intersection weld seam gas is protected the protective device of welding for the utility model;
Fig. 3 is the partial enlarged drawing of the A portion side sectional view of Fig. 2.
Fig. 4 is used for the user mode front section view that ellipse head intersection weld seam gas is protected the protective device of welding for the utility model;
Fig. 5 is the partial enlarged drawing of the B portion side sectional view of Fig. 4.
Reference numeral is as follows:
1 seal cover board, 2 support ribs, 301 joint pins
The 304 universal joint articulations of 302 bolt and nuts, 303 tapping screws connect
305 spherical articulations connect 4 and connect air-guide rod 401 silk screens
402 ventholes, 5 seal cover boards, 501 steam vents
601 nuts, 602 eccentric bushings, 7 crossover subs
8 tracheaes, 9 gas control valves, 10 gas shield chambeies
11 arms 12 are responsible for 13 intersections
14 take over 15 ellipse heads
The specific embodiment
Below in conjunction with preferable specific embodiment, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the utility model is used for the protective device that three-way pipe intersection weld seam gas is protected welding, comprises gas control valve 9, tracheae 8, crossover sub 7, centering cover plate 5, connects air-guide rod 4, support rib 2, seal cover board 1.
Protective gas flows into by tracheae 8, and the porch of tracheae 8 is provided with gas control valve 9, in order to control
The system protective gas flow and flow velocity, crossover sub 7 two ends are screw thread pair, with tracheae 8 with the company air-guide rod 4 be connected; Connecting air-guide rod 4 is external thread structure, fixing with centering cover plate 5 by nut 601.
Connecting air-guide rod 4 is hollow structure, connects the air-guide rod tube wall and is provided with equally distributed venthole 402, and the protective gas that connects in the air-guide rod 4 is charged in the gas shield chamber 10; Connect air-guide rod 4 built-in silk screens 401, be used for reaching the current stabilization effect, make the distribution of gas in the gas shield chamber 10 even.
Embodiment 2:
As shown in Figure 2, the utility model is used for the protective device that ellipse head two surface of revolution intersection weld seam gas are protected welding, comprises gas control valve 9, tracheae 8, crossover sub 7, centering cover plate 5, connects air-guide rod 4, support rib 2, seal cover board 1.
Protective gas flows into by tracheae 8, and the porch of tracheae 8 is provided with gas control valve 9, and in order to the flow and the flow velocity of control protective gas, crossover sub 7 two ends are screw thread pair, and tracheae 8 is connected with company air-guide rod 4; Connecting air-guide rod 4 is external thread structure, fixing with centering cover plate 5 by nut 601.
Connecting air-guide rod 4 is hollow structure, connects the air-guide rod tube wall and is provided with equally distributed venthole 402, and the protective gas that connects in the air-guide rod 4 is charged in the gas shield chamber 10; Connect air-guide rod 4 built-in silk screens 401, be used for reaching the current stabilization effect, make the distribution of gas in the gas shield chamber 10 even.
In conjunction with Fig. 3, support rib 2 is the channel steel shape structure, and seal cover board 1 connects as one by tapping screw 303 and support rib 2 bottoms; Described air-guide rod 4 lower ends that connect are provided with spherical entity, and described support rib is provided with the ball seat cave, and both constitute spherical articulation and connect 305.
During use, seal cover board 1 is located at ellipse head and is taken over 14 liang of surface of revolution intersection 13 interfaces belows; Wherein, seal cover board 1 is the oval flexible copper alloy thin slice that curls, can be adaptive, the intersection interface that covers the different curvature radius ellipse head, play the effect of relative sealing.Seal cover board 1, ellipse head pass through interface inner surface 13, arm 11 inwalls and centering cover plate 5 inwalls mutually and form gas shield chamber 10.
Embodiment 3:
As shown in Figure 4, the utility model is used for the protective device that ellipse head two surface of revolution intersection weld seam gas are protected welding, comprises gas control valve 9, tracheae 8, crossover sub 7, centering cover plate 5, connects air-guide rod 4, support rib 2, seal cover board 1.
Protective gas flows into by tracheae 8, and the porch of tracheae 8 is provided with gas control valve 9, and in order to the flow and the flow velocity of control protective gas, crossover sub 7 two ends are screw thread pair, and tracheae 8 is connected with company air-guide rod 4; Connecting air-guide rod 4 is fastenedly connected by eccentric bushing 602 with centering cover plate 5.
Connecting air-guide rod 4 is hollow structure, connects the air-guide rod tube wall and is provided with equally distributed venthole 402, and the protective gas that connects in the air-guide rod 4 is charged in the gas shield chamber 10; Connect air-guide rod 4 built-in silk screens 401, be used for reaching the current stabilization effect, make the distribution of gas in the gas shield chamber 10 even.
In conjunction with Fig. 3, support rib 2 is the channel steel shape structure, and seal cover board 1 connects as one by tapping screw 303 and support rib 2 bottoms; Described air-guide rod 4 lower ends that connect adopt the universal joint articulation to be connected 304 with support rib 2.During use, seal cover board 1 is located at ellipse head and is taken over 14 liang of surface of revolution intersection 13 interfaces belows; Wherein, seal cover board 1 is the oval flexible copper alloy thin slice that curls, can be adaptive, the intersection interface that covers the different curvature radius ellipse head, play the effect of relative sealing.Seal cover board 1, ellipse head pass through interface inner surface 13, arm 11 inwalls and centering cover plate 5 inwalls mutually and form gas shield chamber 10.
Claims (25)
1. be used for gas and protect the protective device of welding, it is characterized in that, comprising:
Tracheae, the centering cover plate connects air-guide rod, support rib, seal cover board;
Described seal cover board is connected with the support rib, and the described air-guide rod lower end that connects flexibly connects with the employing of support rib;
The described air-guide rod that connects is fixed by retention mechanism and centering cover plate, and the described air-guide rod that connects is connected with tracheae;
Described even air-guide rod is a hollow structure, connects the air-guide rod tube wall and is provided with venthole;
Described centering cover plate is provided with steam vent;
Described seal cover board is an elastomeric material.
2. protective device according to claim 1 is characterized in that: described elastomeric material is a metal.
3. protective device according to claim 2 is characterized in that: described metal is a copper alloy, or stainless steel, or high-carbon steel, or spring steel plate.
4. protective device according to claim 1 is characterized in that: described seal cover board is for oval or circular.
5. protective device according to claim 1 is characterized in that: described seal cover board is a spill.
6. protective device according to claim 1 is characterized in that: described seal cover board adopts the structure that removably connects with the support rib.
7. protective device according to claim 6 is characterized in that: the described structure that removably connects is for being threaded, or connector connects fast.
8. protective device according to claim 7 is characterized in that: the described bolt and nut that is threaded to connects, or tapping screw connects.
9. protective device according to claim 1 is characterized in that: described support rib is a flute profile.
10. protective device according to claim 1 is characterized in that: the described air-guide rod lower end that connects is provided with pan, and described support rib is provided with pan, and joint pin passes support rib pan and connects the air-guide rod pan, constitutes articulation and connects.
11. protective device according to claim 1 is characterized in that: the described air-guide rod lower end that connects is provided with spherical entity, and described support rib is provided with the ball seat cave, and both constitute spherical articulation and connect.
12. protective device according to claim 1 is characterized in that: the described air-guide rod lower end that connects adopts the universal joint articulation to be connected with the support rib.
13. protective device according to claim 1 is characterized in that: the described company in the air-guide rod established the current stabilization layer.
14. protective device according to claim 13 is characterized in that: described current stabilization layer is a screen net structure.
15. protective device according to claim 1 is characterized in that: described centering cover plate lower surface is step flange structure or groove structure.
16. protective device according to claim 15 is characterized in that: each ladder border of described steam vent and described step flange structure, or described steam vent overlaps with each annular groove boundary member of described groove structure.
17. protective device according to claim 1 is characterized in that: described retention mechanism is for being threaded, and described company air-guide rod is an external thread structure, screws by nut and company's air-guide rod external screw thread.
18. protective device according to claim 1 is characterized in that: but described retention mechanism is two eccentric bushings on the company's of being enclosed within air-guide rod cylindrical of control phase.
19. protective device according to claim 1 is characterized in that: described retention mechanism is to be enclosed within described interior many lobes of the bag obvolvent sheet that connects on the air-guide rod cylindrical.
20. protective device according to claim 1 is characterized in that: described retention mechanism connects on the air-guide rod cylindrical described for C shape ring, C shape ring set.
21. protective device according to claim 1 is characterized in that: described retention mechanism is 0 a shape ring, and O shape ring set connects on the air-guide rod cylindrical described.
22. protective device according to claim 1 is characterized in that: described tracheae is provided with gas control valve.
23. protective device according to claim 1 is characterized in that: described tracheae by crossover sub with connect air-guide rod and be connected.
24. protective device according to claim 23 is characterized in that: at least one end of described crossover sub is a screw thread pair, or the patching interface or insert and add clip of quick-release type, or inserts and add the larynx hoop.
25. protective device according to claim 1 is characterized in that: described tracheae with connect air-guide rod and adopt patching interface or insert and adding clip or insert the connected mode that adds the larynx hoop of screw thread pair or quick-release type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206673498U CN201900372U (en) | 2010-12-16 | 2010-12-16 | Protective device for gas shielded welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206673498U CN201900372U (en) | 2010-12-16 | 2010-12-16 | Protective device for gas shielded welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201900372U true CN201900372U (en) | 2011-07-20 |
Family
ID=44270975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206673498U Expired - Lifetime CN201900372U (en) | 2010-12-16 | 2010-12-16 | Protective device for gas shielded welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201900372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059436A (en) * | 2010-12-16 | 2011-05-18 | 上海森松制药设备工程有限公司 | Protection device for gas-protective welding |
| CN108994489A (en) * | 2018-08-22 | 2018-12-14 | 天津市管道工程集团有限公司 | A kind of weld root protective device that solder yield can be improved |
-
2010
- 2010-12-16 CN CN2010206673498U patent/CN201900372U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059436A (en) * | 2010-12-16 | 2011-05-18 | 上海森松制药设备工程有限公司 | Protection device for gas-protective welding |
| CN102059436B (en) * | 2010-12-16 | 2013-03-20 | 上海森松制药设备工程有限公司 | Protection device for gas-protective welding |
| CN108994489A (en) * | 2018-08-22 | 2018-12-14 | 天津市管道工程集团有限公司 | A kind of weld root protective device that solder yield can be improved |
| CN108994489B (en) * | 2018-08-22 | 2023-05-12 | 天津市管道工程集团有限公司 | Welding seam reverse side protection device capable of improving welding qualification rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110720 Effective date of abandoning: 20130320 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110720 Effective date of abandoning: 20130320 |
|
| RGAV | Abandon patent right to avoid regrant |