CN204148745U - The device of pipe interior conveying gas - Google Patents
The device of pipe interior conveying gas Download PDFInfo
- Publication number
- CN204148745U CN204148745U CN201420564717.4U CN201420564717U CN204148745U CN 204148745 U CN204148745 U CN 204148745U CN 201420564717 U CN201420564717 U CN 201420564717U CN 204148745 U CN204148745 U CN 204148745U
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- Prior art keywords
- air inlet
- plate
- fixed heads
- fixed
- pipe
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- 238000003466 welding Methods 0.000 claims abstract description 22
- 230000000916 dilatatory effect Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 56
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052786 argon Inorganic materials 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A kind of device of pipe interior conveying gas, comprise: four fixed heads are positioned at device two ends respectively between two, form conveying gas zones in pipeline, two fixed heads being wherein positioned at one end arrange air inlet respectively, be arranged in two fixed heads at device two ends be positioned at outside two fixed heads outer panel face on be respectively equipped with a bail, this bail is connected with dilatory one end of restricting the device inlet and outlet piping carrying gas for this pipe interior dilatory, and dilatory rope another end is artificial traction end; Two seal gaskets, inlay respectively and are positioned at the centre of device with two fixed heads of one end; Two closure plates are positioned at device center and are connected with the fixed head split inside device two ends respectively by a spring lever; An exhaustion plate is located in the middle of two closure plates, and steam vent is established in face to exhaustion plate plate; Air inlet pipe is connected to feed in pipeline with fixed head air inlet by nut carries gas; Fast argon is rushed to pipe welding seam inside, facilitate butt welded seam back to carry gas, ensure welding quality.
Description
Technical field
The utility model relates to the device of a kind of pipe interior conveying gas.
Background technology
In the pipeline construction welding of the special materials such as stainless steel, for preventing the root of weld to be oxidized, need to rush argon protection, to ensure the welding quality of weld seam to pipe welding seam back.For this reason; those skilled in the art propose one masking foil blocking pipe end; argon is rushed to whole pipeline; this method can make pipe interior reach the basic demand of gas shield, but if pipeline is long, is just difficult to the requirement reaching argon shield; and the time of rushing argon is also very long; need whole pipeline to be all full of argon gas, argon gas cost increases, and welding efficiency reduces.In order to the effect that pipeline welding inside protective gas can be made to reach the protection of weld seam back fast; ensure welding quality; the present inventor is according to the many years of experience being engaged in this area construction; and through repeatedly developing improvement; final design goes out the device of the utility model pipe interior conveying gas, meets the requirement of backside gas protection in pipeline welding.
Utility model content
Main purpose of the present utility model is to provide a kind of pipe interior to carry the device of gas; it is a kind of device that can rush argon fast to pipe welding seam inside; reach ensure pipeline welding time conveniently butt welded seam back carry out conveying gas; meet weld seam gas shield requirement; reduce the gas shield time; ensure welding quality, enhance productivity.
The purpose of this utility model is realized by following technical scheme:
The device of the utility model pipe interior conveying gas, it is characterized in that, comprise: four fixed heads, be positioned at device two ends between two respectively, form conveying gas zones in pipeline, two fixed heads being wherein positioned at one end arrange air inlet respectively, be arranged in two fixed heads at device two ends be positioned at outside two fixed heads outer panel face on be respectively equipped with a bail, this bail is connected with dilatory one end of restricting the device inlet and outlet piping carrying gas for this pipe interior dilatory, and the dilatory rope other end is artificial traction end; Two seal gaskets, inlay respectively and are positioned at the centre of device with two fixed heads of one end; Two closure plates, are positioned at the center of device, and two closure plates are connected with the fixed head split inside device two ends respectively by a spring lever; An exhaustion plate, is located in the middle of two closure plates, and steam vent is evenly offered in this exhaustion plate plate face; An air inlet pipe is connected with fixed head air inlet by nut, feeds to conveying gas in pipeline.
The device of aforesaid pipe interior conveying gas, wherein: described four fixed heads are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, the diameter of this fixed head and the difference of internal diameter of tube body are 2 to 10mm, are the circular rubber cushion of diameter 2 to 20mm larger than fixed head diameter at the seal gasket between two between fixed head; Two closure plates are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, and the diameter of this closure plate and the difference of internal diameter of tube body are 2 to 10mm; The center, interior plate face being arranged in two fixed heads at device two ends two fixed heads being positioned at the inside welds a nut respectively, and this nut inner thread is corresponding with spring lever two ends screw thread; The center, plate face that two closure plates deviate from exhaustion plate side welds a nut respectively, and this nut inner thread is corresponding with spring lever two ends male thread; The nut that the two ends of two spring levers are welded with adjacent fixed head and closure plate is respectively spirally connected; Arrange two fixed heads of air inlet, two air inlet position is corresponding setting, and the air inlet of these two fixed heads is overlapped; In these two fixed heads away from the outside of the fixed head of closure plate at its air inlet place welded nut, this nut inner thread is corresponding with the external screw thread of air inlet pipe pipe end, the nut that air inlet pipe one end and this fixed head are welded and fixed is spirally connected fixing, and the air inlet pipe other end is communicated with source of the gas.
The device of aforesaid pipe interior conveying gas, wherein: described spring lever is peripheral hardware steel wire and two ends have the hollow rubber pipe of screw thread, and this spring lever length is 300 ± 10mm; This rubber tube has some strength and toughness, can easy to use time by the crooked position of body; Described two fixed heads that air inlet is set, two air inlet position is corresponding setting, the air inlet of these two fixed heads is overlapped, and this coincidence air inlet is positioned at this fixed head and spring lever junction, and the spring lever be connected with the fixed head arranging air inlet is communicated with this air inlet.
The device of aforesaid pipe interior conveying gas, wherein: the rectangular metallic plate body that described exhaustion plate is width is 50 to 100mm, length equals closure plate girth, this exhaustion plate plate body evenly arranges several steam vent, this exhaustion plate two ends welding edges and surround a hollow and the internal diameter circle body corresponding to closure plate external diameter, upper and lower two circumferential edge of this circle body are welded and fixed with two pieces of closure plate circumferential edges respectively.
The beneficial effect of the device of the utility model pipe interior conveying gas is: it is mainly used in the pipeline construction welding of the special materials such as stainless steel; it can rush argon to pipe interior fast among a small circle; the requirement of weld seam backside gas protection during to meet pipeline welding; prevent weld seam back to be oxidized, ensure welding quality and construction construction quality.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the device of the utility model pipe interior conveying gas.
Major label description in figure: 1 fixed head, 2 seal gaskets, 3 nuts, 4 closure plates, 5 exhaustion plates, 6 spring levers, 7 air inlet pipe, 8 bails, 9 dilatory ropes.
Detailed description of the invention
The utility model is described further with embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, the device of the utility model pipe interior conveying gas, it comprises: four fixed heads 1, are positioned at device two ends respectively between two, forms conveying gas zones in pipeline; Two fixed heads 1 being wherein positioned at one end arrange air inlet respectively, be arranged in two fixed heads at device two ends be positioned at outside two fixed heads outer panel face on be respectively equipped with a bail 8, this bail 8 is connected the device inlet and outlet piping carrying gas for this pipe interior dilatory with dilatory rope 9 one end, the dilatory rope other end is artificial traction end; Two seal gaskets 2, inlay respectively and are positioned at the centre of device with two fixed heads of one end; Two closure plates 4, are positioned at the center of device, and two closure plates 4 are connected with the fixed head 1 split inside device two ends respectively by a spring lever 6; An exhaustion plate 5, is located in the middle of two closure plates, and steam vent is evenly offered in this exhaustion plate plate face; An air inlet pipe 7 is connected with fixed head air inlet by nut, feeds to conveying gas in pipeline.
As shown in Figure 1, the device of the utility model pipe interior conveying gas, wherein: these four fixed heads 1 are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, the diameter of this fixed head and the difference of internal diameter of tube body are 2 to 10mm, are the circular rubber cushion of diameter 2 to 20mm larger than fixed head diameter at the seal gasket 2 between two between fixed head 1; These two closure plates 4 are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, and the diameter of this closure plate and the difference of internal diameter of tube body are 2 to 10mm; The center, interior plate face being arranged in two fixed heads 1 at device two ends two fixed heads being positioned at the inside welds a nut 3 respectively, and this nut inner thread is corresponding with spring lever 6 two ends screw thread; The center, plate face that two closure plates 4 deviate from exhaustion plate side welds a nut 3 respectively, and this nut inner thread is corresponding with spring lever 6 two ends male thread; The nut 3 that the two ends of two spring levers 6 are welded with adjacent fixed head and closure plate is respectively spirally connected; Arrange two fixed heads of air inlet, two air inlet position is corresponding setting, and the air inlet of these two fixed heads is overlapped; In these two fixed heads away from the outside of the fixed head of closure plate at its air inlet place welded nut, this nut inner thread is corresponding with the external screw thread of air inlet pipe pipe end, the nut that air inlet pipe 7 one end and this fixed head are welded and fixed is spirally connected fixing, and air inlet pipe 7 other end is communicated with source of the gas.This spring lever 6 is peripheral hardware steel wire and two ends have the hollow rubber pipe of screw thread, and this spring lever length is 300 ± 10mm; Described two fixed heads that air inlet is set, two air inlet position is corresponding setting, the air inlet of these two fixed heads is overlapped, and this coincidence air inlet is positioned at this fixed head and spring lever junction, and the spring lever be connected with the fixed head arranging air inlet is communicated with this air inlet.
The rectangular metallic plate body that this exhaustion plate 5 is width is 50 to 100mm, length equals closure plate girth, this exhaustion plate plate body evenly arranges several steam vent, this exhaustion plate two ends welding edges and surround a hollow and the internal diameter circle body corresponding to closure plate external diameter, upper and lower two circumferential edge of this circle body are welded and fixed with two pieces of closure plate 4 circumferential edges respectively.
The use of the device of the utility model pipe interior conveying gas; pipeline group is to after completing; first rubber belt sealing is used outside weld seam; with dilatory rope, this conveying gas device is moved to weld metal zone; exhaustion plate is allowed to align with Weld pipe mill; then gas source valve conveying protective gas is opened; closed area gas purity reaches and starts butt welded seam when protection requires and carry out back cover welding; the root of weld has welded; after filling one time; stop conveying protective gas, dilatory conveying gas device, to next weld zone, completes the gas shield work to lower one weld seam.
As shown in Figure 1, by dilatory rope 9, the device of this pipe interior conveying gas is dragged near weld seam, make Weld pipe mill relative with exhaustion plate 5, open gas source valve, gas enters by air inlet the device that pipe interior carries gas by air inlet pipe 7, by the steam vent Exhaust Gas on exhaustion plate 5, gas zones carried by the pipeline that gas comes the sealing be made up of the fixed head 1 being positioned at device two ends, the protective gas purity in sealing area is made to reach weld seam protection requirement, sealing region becomes butt welded seam back and carries out gas shield region, reach weld seam backside gas protection requirement, the guarantee root of weld is not oxidized, improve pipeline welding quality.
The content be not described in the present embodiment is prior art, therefore no longer repeats.
The advantage of the device of the utility model pipe interior conveying gas is: 1, easily to Cemented filling gas, can reach the requirement of weld seam back protective gas fast, ensure pipeline welding quality.2, the gas shield requirement in straight length in pipeline construction, the welding of bend loss weld seam can be met.3, reasonable in design, easy to make, cost is low, and handling safety is reliable, and construction cost is low.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a device for pipe interior conveying gas, is characterized in that, comprising:
Four fixed heads, be positioned at device two ends between two respectively, form conveying gas zones in pipeline, two fixed heads being wherein positioned at one end arrange air inlet respectively, be arranged in two fixed heads at device two ends be positioned at outside two fixed heads outer panel face on be respectively equipped with a bail, this bail is connected with dilatory one end of restricting the device inlet and outlet piping carrying gas for this pipe interior dilatory, and the dilatory rope other end is artificial traction end;
Two seal gaskets, inlay respectively and are positioned at the centre of device with two fixed heads of one end;
Two closure plates, are positioned at the center of device, and two closure plates are connected with the fixed head split inside device two ends respectively by a spring lever;
An exhaustion plate, is located in the middle of two closure plates, and steam vent is evenly offered in this exhaustion plate plate face;
An air inlet pipe is connected with fixed head air inlet by nut, feeds to conveying gas in pipeline.
2. the device of pipe interior conveying gas as claimed in claim 1, it is characterized in that: described four fixed heads are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, the diameter of this fixed head and the difference of internal diameter of tube body are 2 to 10mm, are the circular rubber cushion of diameter 2 to 20mm larger than fixed head diameter at the seal gasket between two between fixed head;
Two closure plates are the circular plate body that diameter is identical, the metallic plate of this plate body to be thickness be 3 ± 0.5mm, and the diameter of this closure plate and the difference of internal diameter of tube body are 2 to 10mm;
The center, interior plate face being arranged in two fixed heads at device two ends two fixed heads being positioned at the inside welds a nut respectively, and this nut inner thread is corresponding with spring lever two ends screw thread; The center, plate face that two closure plates deviate from exhaustion plate side welds a nut respectively, and this nut inner thread is corresponding with spring lever two ends male thread; The nut that the two ends of two spring levers are welded with adjacent fixed head and closure plate is respectively spirally connected;
Arrange two fixed heads of air inlet, two air inlet position is corresponding setting, and the air inlet of these two fixed heads is overlapped; In these two fixed heads away from the outside of the fixed head of closure plate at its air inlet place welded nut, this nut inner thread is corresponding with the external screw thread of air inlet pipe pipe end, the nut that air inlet pipe one end and this fixed head are welded and fixed is spirally connected fixing, and the air inlet pipe other end is communicated with source of the gas.
3. the device of pipe interior conveying gas as claimed in claim 1 or 2, is characterized in that: described spring lever is peripheral hardware steel wire and two ends have the hollow rubber pipe of screw thread, and this spring lever length is 300 ± 10mm; Described two fixed heads that air inlet is set, two air inlet position is corresponding setting, the air inlet of these two fixed heads is overlapped, and this coincidence air inlet is positioned at this fixed head and spring lever junction, and the spring lever be connected with the fixed head arranging air inlet is communicated with this air inlet.
4. the device of pipe interior conveying gas as claimed in claim 1, it is characterized in that: the rectangular metallic plate body that described exhaustion plate is width is 50 to 100mm, length equals closure plate girth, this exhaustion plate plate body evenly arranges several steam vent, this exhaustion plate two ends welding edges and surround a hollow and the internal diameter circle body corresponding to closure plate external diameter, upper and lower two circumferential edge of this circle body are welded and fixed with two pieces of closure plate circumferential edges respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564717.4U CN204148745U (en) | 2014-09-28 | 2014-09-28 | The device of pipe interior conveying gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564717.4U CN204148745U (en) | 2014-09-28 | 2014-09-28 | The device of pipe interior conveying gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204148745U true CN204148745U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420564717.4U Expired - Fee Related CN204148745U (en) | 2014-09-28 | 2014-09-28 | The device of pipe interior conveying gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204148745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098204A (en) * | 2017-12-29 | 2018-06-01 | 东方电气集团东方锅炉股份有限公司 | Girth welding oxygen-proof protecting device and its header stack shell welding method |
-
2014
- 2014-09-28 CN CN201420564717.4U patent/CN204148745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098204A (en) * | 2017-12-29 | 2018-06-01 | 东方电气集团东方锅炉股份有限公司 | Girth welding oxygen-proof protecting device and its header stack shell welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |