CN108000043A - A kind of pipeline welding gas protective device - Google Patents
A kind of pipeline welding gas protective device Download PDFInfo
- Publication number
- CN108000043A CN108000043A CN201711124328.4A CN201711124328A CN108000043A CN 108000043 A CN108000043 A CN 108000043A CN 201711124328 A CN201711124328 A CN 201711124328A CN 108000043 A CN108000043 A CN 108000043A
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- supporting rod
- flexible sealing
- pipeline
- casing
- 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.)
- Pending
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Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of pipeline welding gas protective device, including hollow supporting rod, supporting rod surface is provided with two groups or more clamp assembly, venthole is provided with the middle part of supporting rod, the argon gas pipeline connected with venthole is installed in supporting rod, the both ends of supporting rod are socketed with casing, the terminus inner of casing is provided with the second cylinder, the outer surface of casing is provided with flexible sealing plate and some electric telescopic rods, one end of flexible sealing plate and the outer surface of casing are hinged, some reinforcing ribs are provided with flexible sealing plate, reinforcing rib is arranged radially along the center of flexible sealing plate to the edge of flexible sealing plate.Plugging device of the present invention can quickly realize the docking and closure of pipeline to be welded, and quickly can fill argon gas into the internal cavity of pipeline, and gas shield is carried out to commissure.
Description
Technical field
The invention belongs to pipeline welding field, more particularly, to a kind of pipeline welding gas protective device.
Background technology
Stainless steel pipes have good corrosion resistance, using quite varied in the industries such as chemical industry, are often used in defeated
Flammable explosive gas, corrosion-resistant medium etc. are sent, because these media have considerable risk, to the requirement of pipeline welding quality
It is high.At present, using manual welding, welding is not only time-consuming and laborious manually, and easily welds for most pipeline welding
Connect the problems such as precision is low and pipeline is not coaxial and weld seam is uneven；Part pipeline welding uses welder automatic welding, but existing
Some welders usually require multiple equipment linkage, and working space receives great limitation, are unfavorable for execute-in-place, and
Difficult there are counterpart during specific operation, weld seam adjustment difficulty etc. is difficult to the technical problem overcome.
The content of the invention
In view of this, the present invention is directed to propose a kind of pipeline welding gas protective device, to solve the above problems.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of pipeline welding gas protective device, including hollow supporting rod, the supporting rod surface be provided with two groups or
Clamp assembly more than two, every group of clamp assembly include first cylinder of three or more than three, and every group of clamp assembly is uniform
It is arranged in the same plane perpendicular to supporting rod, venthole is provided with the middle part of the supporting rod, is installed in the supporting rod
There is the argon gas pipeline connected with venthole, the argon gas pipeline kind is provided with solenoid valve, and the both ends of the supporting rod are socketed with
Pipe, the terminus inner of described sleeve pipe are provided with the second cylinder, and one end of second cylinder and the end of supporting rod connect, another
End is connected with casing, and the outer surface of described sleeve pipe is provided with flexible sealing plate and some electric telescopic rods, the flexible sealing plate
To be circular, the outer surface of described electric telescopic rod one end and casing is hinged shape after being opened under the driving of electric telescopic rod,
The inner surface of the other end and flexible sealing plate is hinged, and one end of the flexible sealing plate and the outer surface of casing are hinged, described soft
Be provided with some reinforcing ribs in property sealing plate, the reinforcing rib along at the center of flexible sealing plate to the edge of flexible sealing plate
It is arranged radially.
Further, the surface of the flexible sealing plate is provided with rubber pad.
Further, the end of the telescopic rod of first cylinder is connected with the gripping block of arc.
Further, clamp assembly, sealing plate, electronic is symmetrical arranged by axial center to the end of supporting rod successively
Telescopic rod and the second cylinder.
Further, the outer surface of described sleeve pipe is provided with sensitive detector, and sensitive detector is installed on flexible sealing plate
With the inner side of cannula connection.
Further, described sleeve pipe and supporting rod are clearance fit.
Relative to the prior art, pipeline welding gas protective device of the present invention has the advantage that：
Pipeline welding gas protective device of the present invention can quickly realize the docking and closure of pipeline to be welded, and
Argon gas quickly can be filled into the internal cavity of pipeline, gas shield be carried out to commissure, without manual school in welding process
To, adjust pipeline position, also can guarantee that the central coaxial of two pipelines, effectively solve and simplify to center, adjust two pipe
Track pitch from etc. Welding Problems, shorten the workload of welder, drastically increase work efficiency, in addition the apparatus structure letter
List, simple operation, easily grasp.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the pipeline welding gas protective device described in the embodiment of the present invention；
Fig. 2 is the structure diagram under the flexible sealing plate open configuration described in the embodiment of the present invention.
Description of reference numerals：
1st, supporting rod；2nd, the first cylinder；3rd, gripping block；4th, venthole；5th, argon gas pipeline；6th, solenoid valve；7th, the second cylinder；
8th, flexible sealing plate；9th, electric telescopic rod；10th, reinforcing rib；11st, rubber pad；12nd, sensitive detector；13rd, casing.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
A kind of pipeline welding gas protective device as shown in Figure 1, including hollow supporting rod 1, the installation of 1 surface of supporting rod
There is two groups or more clamp assembly, every group of clamp assembly includes first cylinder 2 of three or more than three, every group of clamping
Component is uniformly arranged on same in the plane of supporting rod 1, and the middle part of supporting rod 1 is provided with venthole 4, in supporting rod 1
The argon gas pipeline 5 connected with venthole 4 is installed, 5 kinds of argon gas pipeline is provided with solenoid valve 6, and the both ends of supporting rod 1 are socketed with
Pipe 13, casing 13 and supporting rod 1 are clearance fit.The terminus inner of casing 13 is provided with the second cylinder 7, and the one of the second cylinder 7
End is connected with the end of supporting rod 1, and the other end is connected with casing 13.
As depicted in figs. 1 and 2, the outer surface of casing 13 is provided with flexible sealing plate 8 and some electric telescopic rods 9, flexible
Shape after sealing plate 8 opens under the driving of electric telescopic rod 9 is circle, 9 one end of electric telescopic rod and the appearance of casing 13
Face is hinged, and the inner surface of the other end and flexible sealing plate 8 is hinged, and one end and the outer surface of casing 13 of flexible sealing plate 8 are hinged,
Be provided with some reinforcing ribs 10 in flexible sealing plate 8, reinforcing rib 10 along at the center of flexible sealing plate 8 to flexible sealing plate 8
Edge is arranged radially.
To ensure, the sealing performance of flexible sealing plate 8 and pipe end, rubber is provided with the surface of flexible sealing plate 8
Pad 11.
The end of the telescopic rod of first cylinder 2 is connected with the gripping block 3 of the corresponding arc of pipeline external surface.
Clamp assembly, sealing plate, electric telescopic rod 9 and are set gradually by axial center to the end of supporting rod 1
Two cylinders 7.
The outer surface of casing 13 is provided with sensitive detector 12, and sensitive detector 12 is installed on flexible sealing plate 8 and casing
The inner side of 13 junctions.
The present invention operation principle be：
Two pipelines to be welded are inserted into alignment from the both ends of supporting rod 1 respectively, using the first cylinder 2 by supporting rod 1
Inner surface clamping pipe fix it, in the case of pipeline is long, can start the second cylinder 7 makes 13 outside sidesway of casing
Dynamic, after sensitive detector 12 detects light, starting electric telescopic rod 9 makes the opening of flexible sealing plate 8 block the two of pipeline
End, while argon gas protection is passed through into the cavity of pipeline, you can it is subjected to.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (6)
- A kind of 1. pipeline welding gas protective device, it is characterised in that：Including hollow supporting rod (1), supporting rod (1) table Face is provided with two groups or more clamp assembly, and every group of clamp assembly includes first cylinder (2) of three or more than three, Every group of clamp assembly is uniformly arranged on same in the plane of supporting rod (1), is provided with the middle part of the supporting rod (1) logical Stomata (4), the supporting rod (1) is interior to be provided with the argon gas pipeline (5) connected with venthole (4), and argon gas pipeline (5) kind is set Solenoid valve (6) is equipped with, the both ends of the supporting rod (1) are socketed with casing, and the terminus inner of described sleeve pipe is provided with the second cylinder (7), one end of second cylinder (7) is connected with the end of supporting rod (1), and the other end is connected with casing, outside described sleeve pipe Surface is provided with flexible sealing plate (8) and some electric telescopic rods (9), and the flexible sealing plate (8) is in electric telescopic rod (9) To be circular, the outer surface of described electric telescopic rod (9) one end and casing is hinged shape after being opened under driving, the other end and flexibility The inner surface of sealing plate (8) is hinged, and one end of the flexible sealing plate (8) and the outer surface of casing are hinged, the flexible sealing Be provided with some reinforcing ribs (10) in plate (8), the reinforcing rib (10) along at the center of flexible sealing plate (8) to flexible sealing plate (8) edge is arranged radially.
- 2. pipeline welding gas protective device according to claim 1, it is characterised in that：The flexible sealing plate (8) Surface is provided with rubber pad (11).
- 3. pipeline welding gas protective device according to claim 1, it is characterised in that：First cylinder (2) are stretched The end of contracting bar is connected with the gripping block (3) of arc.
- 4. pipeline welding gas protective device according to claim 1, it is characterised in that：By the axial of supporting rod (1) It is symmetrical arranged clamp assembly, sealing plate, electric telescopic rod (9) and the second cylinder (7) at center successively to end.
- 5. pipeline welding gas protective device according to claim 1, it is characterised in that：The outer surface installation of described sleeve pipe There is sensitive detector (12), sensitive detector (12) is installed on the inner side of flexible sealing plate (8) and cannula connection.
- 6. pipeline welding gas protective device according to claim 1, it is characterised in that：Described sleeve pipe and supporting rod (1) For clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124328.4A CN108000043A (en) | 2017-11-14 | 2017-11-14 | A kind of pipeline welding gas protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124328.4A CN108000043A (en) | 2017-11-14 | 2017-11-14 | A kind of pipeline welding gas protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108000043A true CN108000043A (en) | 2018-05-08 |
Family
ID=62052412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711124328.4A Pending CN108000043A (en) | 2017-11-14 | 2017-11-14 | A kind of pipeline welding gas protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108000043A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340578A (en) * | 2019-07-23 | 2019-10-18 | 安徽伟宏钢结构集团股份有限公司 | A kind of welding head |
| CN112388115A (en) * | 2020-11-18 | 2021-02-23 | 武汉轻工大学 | Tail pipe welding protection system of hydrogen production reformer |
| CN113523516A (en) * | 2021-06-28 | 2021-10-22 | 中核检修有限公司 | Pipeline welding protection air chamber device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112695A (en) * | 1994-10-13 | 1996-05-07 | Chiyoda Corp | Internal clamp for piping and welding method |
| CN201275661Y (en) * | 2008-09-27 | 2009-07-22 | 中国海洋石油总公司 | In-tube inflating and packing apparatus |
| CN201603953U (en) * | 2009-09-29 | 2010-10-13 | 中国核工业二三建设有限公司 | Regulating equipment for protection in welding pipeline |
| CN201841368U (en) * | 2010-10-19 | 2011-05-25 | 广东火电工程总公司 | Air inflation protecting device for welding of pipeline |
| CN202021415U (en) * | 2011-03-31 | 2011-11-02 | 广州广船国际股份有限公司 | Inflatable protecting device for pipe fitting welding |
| CN103480940A (en) * | 2013-09-05 | 2014-01-01 | 国核电站运行服务技术有限公司 | Automatic underwater welding maintenance equipment |
| EP3135422A1 (en) * | 2015-08-22 | 2017-03-01 | METALKO Spolka. z o.o. | Multistage backing gas nozzle |
| CN207272516U (en) * | 2017-11-14 | 2018-04-27 | 中冶天工（天津）装备制造有限公司 | A kind of pipeline welding gas protective device |
-
2017
- 2017-11-14 CN CN201711124328.4A patent/CN108000043A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112695A (en) * | 1994-10-13 | 1996-05-07 | Chiyoda Corp | Internal clamp for piping and welding method |
| CN201275661Y (en) * | 2008-09-27 | 2009-07-22 | 中国海洋石油总公司 | In-tube inflating and packing apparatus |
| CN201603953U (en) * | 2009-09-29 | 2010-10-13 | 中国核工业二三建设有限公司 | Regulating equipment for protection in welding pipeline |
| CN201841368U (en) * | 2010-10-19 | 2011-05-25 | 广东火电工程总公司 | Air inflation protecting device for welding of pipeline |
| CN202021415U (en) * | 2011-03-31 | 2011-11-02 | 广州广船国际股份有限公司 | Inflatable protecting device for pipe fitting welding |
| CN103480940A (en) * | 2013-09-05 | 2014-01-01 | 国核电站运行服务技术有限公司 | Automatic underwater welding maintenance equipment |
| EP3135422A1 (en) * | 2015-08-22 | 2017-03-01 | METALKO Spolka. z o.o. | Multistage backing gas nozzle |
| CN207272516U (en) * | 2017-11-14 | 2018-04-27 | 中冶天工（天津）装备制造有限公司 | A kind of pipeline welding gas protective device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340578A (en) * | 2019-07-23 | 2019-10-18 | 安徽伟宏钢结构集团股份有限公司 | A kind of welding head |
| CN110340578B (en) * | 2019-07-23 | 2021-04-27 | 安徽伟宏钢结构集团股份有限公司 | Welding head |
| CN112388115A (en) * | 2020-11-18 | 2021-02-23 | 武汉轻工大学 | Tail pipe welding protection system of hydrogen production reformer |
| CN113523516A (en) * | 2021-06-28 | 2021-10-22 | 中核检修有限公司 | Pipeline welding protection air chamber device |
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