CN201848640U - Back-surface gas protecting device for external welding of an annular gap of cylindrical container - Google Patents
Back-surface gas protecting device for external welding of an annular gap of cylindrical container Download PDFInfo
- Publication number
- CN201848640U CN201848640U CN2010205696717U CN201020569671U CN201848640U CN 201848640 U CN201848640 U CN 201848640U CN 2010205696717 U CN2010205696717 U CN 2010205696717U CN 201020569671 U CN201020569671 U CN 201020569671U CN 201848640 U CN201848640 U CN 201848640U
- Authority
- CN
- China
- Prior art keywords
- supporting tube
- sleeve pipe
- supporting
- bearing
- square groove
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000002706 hydrostatic effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 17
- 230000002045 lasting effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a back-surface gas protecting device for external welding of an angular gap of a cylindrical container. The back-surface gas protecting device consists of a counterweight block, a supporting lever, a first locknut, a straight arm, a second locknut, a porous pipe with an air inlet, an arc-shaped square trough, a supporting conduit with a plurality of adjusting holes, a locking bolt, a sleeve with a small hole, and a support; the lower end of the sleeve is fixedly connected with the support; the lower end of the supporting conduit is inserted in the sleeve; furthermore, the supporting conduit is fixedly connected with the sleeve by the adjusting bolt; the upper end of the supporting conduit is fixedly connected with the middle part of the supporting lever; one end of the supporting lever is connected with the counterweight block; the other end of the supporting lever is connected with a straight arm by a first adjusting nut; the other end of the straight arm is connected with the porous pipe by a second adjusting nut; the arc-shaped square trough is connected with the porous pipe; and an air inlet of the porous pipe is arranged outside the arc-shaped square trough. When the external surface of the annular gap is being welded, the back-surface gas protecting device can be used for effectively protecting the annular gap to be welded on the back surface of the annular gap, and the welding quality of the welding seam can be improved.
Description
Technical field
The utility model relates to a kind of hydrostatic column circumferential weld outside weldings backside gas protective device, the protection of internal gas when being used for hydrostatic column cylindrical shell circumferential weld outside weldings.
Background technology
At present when the argon arc welding of cylindrical tube body circular seam connects; the welding back side can't form evenly lasting gas shield, causes the oxidation of the circumferential weld back side, influences the product welding quality; former protective device can't form effective protection for protective gas is directly rushed at fixedly pad.
Summary of the invention
The purpose of this utility model provides a kind of hydrostatic column circumferential weld outside weldings backside gas protective device, and this device can effectively be protected the circumferential weld of welding at the circumferential weld back side when the circumferential weld outer surface welds, and improves the welding quality of weld seam.
The technical scheme that realizes above-mentioned purpose is: a kind of hydrostatic column circumferential weld outside weldings backside gas protective device; by balancing weight; support lever; first locking nut; straight-arm; second locking nut; bring the antipriming pipe of gas port into; the arc square groove; supporting tube with a plurality of adjustment holes; clamping screw; narrow meshed sleeve pipe and bearing are formed; fixedly connected with bearing in the lower end of sleeve pipe; the lower end of supporting tube is inserted in the sleeve pipe; and supporting tube is fixedlyed connected with sleeve pipe by regulating bolt; the front end of regulating bolt inserts in the adjustment hole of supporting tube after passing the aperture of sleeve pipe; fixedly connected with the middle part of support lever in the upper end of supporting tube; one end of support lever is connected with balancing weight; the other end is connected with straight-arm by first adjusting nut; the other end of straight-arm is connected with antipriming pipe by second adjusting nut; the arc square groove links together with antipriming pipe again, and the air inlet of antipriming pipe is positioned at outside the arc square groove.
Bearing is the self-propelled bearing of four-wheel.
A plurality of adjustment holes on the supporting tube are evenly distributed.
After adopting technique scheme; press close to the required girth weld back side by using the arc square groove; by to the arc square groove towards protective gas; the flow that keeps protection gas in the arc square groove; guarantee to form evenly lasting protective gas; thereby when the circumferential weld outer surface welds, can effectively protect the circumferential weld of welding at the circumferential weld back side, to improve the welding quality of weld seam.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1; a kind of hydrostatic column circumferential weld outside weldings backside gas protective device; it is characterized in that: it is by balancing weight 1; support lever 2; first locking nut 3; straight-arm 4; second locking nut 5; bring the antipriming pipe 6 of gas port into; arc square groove 7; supporting tube 8 with a plurality of adjustment holes; clamping screw 9; narrow meshed sleeve pipe 10 and bearing 11 are formed; fixedly connected with bearing 11 in the lower end of sleeve pipe 10; the lower end of supporting tube 8 is inserted in the sleeve pipe 10; and supporting tube 8 is fixedlyed connected with sleeve pipe 10 by regulating bolt 9; the front end of regulating bolt 9 inserts in the adjustment hole of supporting tube 8 after passing the aperture of sleeve pipe 10; fixedly connected with the middle part of support lever 2 in the upper end of supporting tube 8; one end of support lever 2 is connected with balancing weight 1; the other end is connected with straight-arm 4 by first adjusting nut 3; the other end of straight-arm 4 is connected with antipriming pipe 6 by second adjusting nut 5; arc square groove 7 links together with antipriming pipe 6 again, and the air inlet of antipriming pipe 6 is positioned at outside the arc square groove 7.Bearing 11 is the self-propelled bearing of four-wheel.A plurality of adjustment holes on the supporting tube 8 are evenly distributed.
Use of the present utility model is as follows:
The self-propelled bearing 11 of sleeve pipe 10 and four-wheel is welded formation one mutually stablize bearing; Antipriming pipe 6 and arc square groove 7 are connected to form protective device, and the air inlet of antipriming pipe 6 are placed on arc square groove 7 is outer is convenient to air inlet; Balancing weight 1 is connected with support lever 2, be fixed as support with supporting tube 8 and support lever, with first locking nut 3 support and straight-arm 4 are connected to lever again, with second adjusting nut 5 lever and protective device are connected to the adjusting protective device at last, it is fixing with clamping screw 9 to regulate protective device and bearing; Before using bulge is placed on the adjustable turning rolls, and device is placed in the cylindrical tube, by clamping screw 9 adjusting device height, reach and weld seam applying degree with first adjusting nut 3 and second adjusting nut, 5 adjustable ranges, regulate its counterweight with balancing weight 1 and guarantee its stability, source of the gas is connected with air inlet, evenly air inlet, turning rolls is adjusted to the welding revolution, and device can be by remaining with the personnel welding position consistent with the rotation of cylindrical shell.
The utility model is pressed close to the required girth weld back side by using arc square groove 7, by to arc square groove 7 towards protective gas, keep the flow of protection gas in the arc square groove 7, guarantee to form evenly lasting protective gas.
Claims (3)
1. hydrostatic column circumferential weld outside weldings backside gas protective device; it is characterized in that: it is by balancing weight (1); support lever (2); first locking nut (3); straight-arm (4); second locking nut (5); bring the antipriming pipe (6) of gas port into; arc square groove (7); supporting tube (8) with a plurality of adjustment holes; clamping screw (9); narrow meshed sleeve pipe (10) and bearing (11) are formed; fixedly connected with bearing (11) in the lower end of sleeve pipe (10); the lower end of supporting tube (8) is inserted in the sleeve pipe (10); and supporting tube (8) is fixedlyed connected with sleeve pipe (10) by regulating bolt (9); the front end of regulating bolt (9) inserts in the adjustment hole of supporting tube (8) after passing the aperture of sleeve pipe (10); fixedly connected with the middle part of support lever (2) in the upper end of supporting tube (8); one end of support lever (2) is connected with balancing weight (1); the other end is connected with straight-arm (4) by first adjusting nut (3); the other end of straight-arm (4) is connected with antipriming pipe (6) by second adjusting nut (5); arc square groove (7) links together with antipriming pipe (6) again, and the air inlet of antipriming pipe (6) is positioned at outside the arc square groove (7).
2. hydrostatic column circumferential weld outside weldings backside gas protective device according to claim 1, it is characterized in that: described bearing (11) is the self-propelled bearing of four-wheel.
3. hydrostatic column circumferential weld outside weldings backside gas protective device according to claim 1 and 2, it is characterized in that: a plurality of adjustment holes on the described supporting tube (8) are evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205696717U CN201848640U (en) | 2010-10-20 | 2010-10-20 | Back-surface gas protecting device for external welding of an annular gap of cylindrical container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205696717U CN201848640U (en) | 2010-10-20 | 2010-10-20 | Back-surface gas protecting device for external welding of an annular gap of cylindrical container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848640U true CN201848640U (en) | 2011-06-01 |
Family
ID=44091053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205696717U Expired - Fee Related CN201848640U (en) | 2010-10-20 | 2010-10-20 | Back-surface gas protecting device for external welding of an annular gap of cylindrical container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848640U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689084A (en) * | 2012-05-22 | 2012-09-26 | 哈尔滨汽轮机厂有限责任公司 | Back argon protection device for flame tube argon arc welding |
| CN105364280A (en) * | 2015-12-15 | 2016-03-02 | 江阴中南重工有限公司 | Tower welding protection device |
| WO2016142804A1 (en) * | 2015-03-10 | 2016-09-15 | Senior Ip Gmbh | Gas purge apparatus with counterweight and stabilising arms |
| CN106425066A (en) * | 2016-09-05 | 2017-02-22 | 荆门宏图特种飞行器制造有限公司 | Rear gas protection device |
| CN106583981A (en) * | 2017-01-24 | 2017-04-26 | 西南交通大学 | Inert gas protecting system for welding |
| CN107717278A (en) * | 2017-11-09 | 2018-02-23 | 中车长江车辆有限公司 | One kind back of the body protects frock |
| CN109940312A (en) * | 2017-12-20 | 2019-06-28 | 南通中集罐式储运设备制造有限公司 | Gas protection device for tank welding |
| CN115383267A (en) * | 2022-06-29 | 2022-11-25 | 中国航发动力股份有限公司 | Protection device and method for argon arc welding of gas turbine embedded part |
-
2010
- 2010-10-20 CN CN2010205696717U patent/CN201848640U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689084A (en) * | 2012-05-22 | 2012-09-26 | 哈尔滨汽轮机厂有限责任公司 | Back argon protection device for flame tube argon arc welding |
| WO2016142804A1 (en) * | 2015-03-10 | 2016-09-15 | Senior Ip Gmbh | Gas purge apparatus with counterweight and stabilising arms |
| US10160054B2 (en) | 2015-03-10 | 2018-12-25 | Senior Ip Gmbh | Instantaneous gas purge apparatus |
| CN105364280A (en) * | 2015-12-15 | 2016-03-02 | 江阴中南重工有限公司 | Tower welding protection device |
| CN106425066A (en) * | 2016-09-05 | 2017-02-22 | 荆门宏图特种飞行器制造有限公司 | Rear gas protection device |
| CN106425066B (en) * | 2016-09-05 | 2018-10-30 | 荆门宏图特种飞行器制造有限公司 | Carry on the back gas shielded device |
| CN106583981A (en) * | 2017-01-24 | 2017-04-26 | 西南交通大学 | Inert gas protecting system for welding |
| CN106583981B (en) * | 2017-01-24 | 2018-11-13 | 西南交通大学 | Weld blanketing with inert gas system |
| CN107717278A (en) * | 2017-11-09 | 2018-02-23 | 中车长江车辆有限公司 | One kind back of the body protects frock |
| CN109940312A (en) * | 2017-12-20 | 2019-06-28 | 南通中集罐式储运设备制造有限公司 | Gas protection device for tank welding |
| CN109940312B (en) * | 2017-12-20 | 2024-06-04 | 中集安瑞环科技股份有限公司 | Gas protection device for tank welding |
| CN115383267A (en) * | 2022-06-29 | 2022-11-25 | 中国航发动力股份有限公司 | Protection device and method for argon arc welding of gas turbine embedded part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20131020 |