CN103737212A - Method for controlling pipe welding quality by changing lap joint mode of electric welding machine bond element - Google Patents
Method for controlling pipe welding quality by changing lap joint mode of electric welding machine bond element Download PDFInfo
- Publication number
- CN103737212A CN103737212A CN201310745050.8A CN201310745050A CN103737212A CN 103737212 A CN103737212 A CN 103737212A CN 201310745050 A CN201310745050 A CN 201310745050A CN 103737212 A CN103737212 A CN 103737212A
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- China
- Prior art keywords
- bonding
- snap ring
- welding machine
- electric welding
- pipeline
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- 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.)
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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
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
- B23K9/0052—Welding of pipe panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0235—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for applying solder
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/10—Pipe-lines
Abstract
The invention discloses a method for controlling the pipe welding quality by changing the lap joint mode of an electric welding machine bond element. The bond element comprises a snapping ring for being mounted on a pipe to be welded and a bond fixed on the snapping ring. The lap joint mode comprises connecting a wire of the electric welding machine onto the bond; mounting the snapping ring on an anti-corrosion layer or an insulation wrapping layer of the pipe, wherein the bond is required to be able to contact with a welding port of the pipe to be welded; lapping the bond to the welding port of the pipe. The snapping ring and the bond are connected in an insulation mode, or the snapping ring is made of insulation materials. According to the method, by the aid of the electric welding machine bond element and the special lap joint mode, the cost is reduced, the operation is simple and conveniently, and quality defects such as burning of pipe base materials can be prevented.
Description
Technical field
The present invention relates to a kind of method of controlling pipeline welding quality, especially, relate to a kind of construction method of controlling Welding Quality for Long Distance Pipeline by changing electric welding machine bonding body overlapping mode.
Background technology
On arc welder, have two output lines, on the bonding body that wherein is connected on welded article, other end connects soldering turret, thereby electric welding machine is normally worked.
In pipeline (particularly long-distance transmission pipeline) installation process, conventionally adopt electric welding machine welding.Yet conventional electric welding machine minus earth body, forms in welding current circuit process at overlap joint, the reason such as usually can fall behind because of overlapping mode, bonding body self-contact is bad, the mass defect such as cause that pipeline mother metal is burnt, causes scrapping and doing over again of tubing.So, adopt a kind of new pipeline welding method, particularly important to the quality control of pipeline.
For this reason, invent a kind of cost little, easy and simple to handle, the electric welding machine bonding body bridging method of the mass defects such as pipeline mother metal of avoiding burning, particularly important to the installation of long-distance transmission pipeline.Through research and on-the-spot comparison, we improve general electric welding machine bonding body, and have changed lap position and mode, have avoided the generation of mass defect.
Summary of the invention
In order to solve the general electric welding machine bonding body pipeline mother metal of burning when the pipeline welding, cause the problem of mass defect, the mass defect feature that the present invention occurs while utilizing long distance pipeline welding, improve electric welding machine bonding body, and changed lap position and the method for bonding body.
According to an aspect of the present invention, a kind of bridging method of the electric welding machine bonding body for pipeline welding is provided, described bonding body comprises that described bridging method comprises: a wire of electric welding machine is connected on bonding for being arranged on the snap ring on pipeline to be welded and being fixed on the bonding on snap ring; Snap ring is arranged on the anticorrosive coat or insulation integument of pipeline, need to makes bonding can touch the weld bond of pipeline to be welded; Bonding is overlapped on the weld bond of pipeline.
This weld bond is to have welded weld bond.
This weld bond is not weld weld bond.
Between snap ring and bonding, adopt insulation connected mode.
Snap ring is formed by insulating materials.
According to a further aspect in the invention, provide a kind of electric welding machine bonding body, having comprised: snap ring, for being arranged on pipeline to be welded; Bonding, is fixed on snap ring; Wire fixture, for electric welding machine wire is fixed on to bonding, wherein, adopt insulation connected mode, or snap ring is formed between snap ring and bonding by insulating materials.
Described wire fixture comprises the first bolt being fixed on bonding and the first nut matching with the external screw thread of the first bolt.
Described the first bolt is positioned at the junction of bonding and snap ring.
Described wire fixture also comprises the pad that is positioned at the first nut below and is positioned at electric welding machine wire top.
On described snap ring, be provided with the first hole, at described the first hole place, on snap ring, be provided with securing member.
Described securing member comprises the first baffle plate of being arranged on snap ring one end, be fixed on the second bolt on the first baffle plate, be arranged on the second baffle relative with the first plate washer on the snap ring other end, be arranged on second baffle and for making the through hole that the second bolt passes and the second nut matching with the external screw thread of the second bolt.
Snap ring comprises the first noumenon and the second body, is also provided with flexible connection assembly on the relative position of described the first hole, and the first noumenon is connected by being flexibly connected assembly with the second body.
Described flexible connection assembly comprises the first axle sleeve being arranged on the first noumenon one end, the hinge axis that is arranged on the second axle sleeve on second body one end and connects the first axle sleeve and the second axle sleeve, so that the first noumenon and the second body can be around hinge axis.
Snap ring is formed by a metallic elastic body that is only provided with a hole.
It is little, easy and simple to handle that embodiments of the invention have designed a kind of cost, and the electric welding machine bonding body bridging method of the mass defects such as pipeline mother metal of avoiding burning is particularly important to the installation of long-distance transmission pipeline.Through research and on-the-spot comparison, embodiments of the invention improve general electric welding machine bonding body, and have changed lap position and mode, have avoided the generation of mass defect.
Accompanying drawing explanation
The description of being undertaken by the accompanying drawing below in conjunction with an example is exemplarily shown, above and other object of the present invention and feature will become apparent, wherein:
Figure 1A, Figure 1B, Fig. 1 C, Fig. 1 D, Fig. 1 E, Fig. 1 F are respectively front view, left view, right view, upward view, top view, the rearview of electric welding machine bonding body according to an embodiment of the invention.
Fig. 2 A and Fig. 2 B show respectively the first noumenon and second body of the snap ring of bonding body according to an embodiment of the invention.
Fig. 3 shows according to the bridging method of the electric welding machine bonding body of exemplary embodiment of the present invention.
Fig. 4 shows according to the bridging method of the electric welding machine bonding body of exemplary embodiment of the present invention.
The specific embodiment
Can usage space relative terms, as " ... under ", " in ... below ", " below ", " above ", " in ... top " etc., element as shown in FIG. or the relation of feature and other element or feature are described.Will be appreciated that space relative terms be intended to comprise device the orientation except being described in the drawings use or operation in different azimuth.For example, if device is reversed in the accompanying drawings, be described as " " element of other element of other element or feature " below " or " " or feature " below " will be positioned as subsequently " " other element or feature " above ".Therefore, exemplary term " ... can comprise above and two kinds of orientation below below ".Described device can, by other location (90-degree rotation or in other orientation), correspondingly be explained space used herein relative descriptors.
Below, with reference to accompanying drawing, describe embodiments of the invention in detail.
Figure 1A, Figure 1B, Fig. 1 C, Fig. 1 D, Fig. 1 E, Fig. 1 F are respectively front view, left view, right view, upward view, top view, the rearview of electric welding machine bonding body according to an embodiment of the invention.Fig. 2 A and Fig. 2 B show respectively the first noumenon and second body of the snap ring of bonding body according to an embodiment of the invention.
As shown in Figure 1A-1F, electric welding machine bonding body comprises according to an embodiment of the invention: snap ring 5, for being arranged on pipeline 11(to be welded referring to Fig. 3 and Fig. 4); Bonding 1, is fixed on snap ring 5; Wire fixture, for by electric welding machine wire 14(referring to Fig. 3 and Fig. 4) be fixed on bonding 1.Because electric welding machine wire 14 is connected to bonding 1, the current loop in the time of therefore can utilizing bonding 1 to form welding.
Preferably, on snap ring 5, be provided with the first hole 21, simultaneously at the first hole 21 places, on snap ring 5, be provided with securing member.Securing member can be integral and process with snap ring 5, also can separate machined, and the present invention is for the ease of processing and strengthen the intensity of securing member, preferably, is integral processing.For example, securing member can comprise the first baffle plate 112 of being arranged on snap ring 5 one end, is fixed on the second bolt 9 on the first baffle plate 112, is arranged on the second baffle 114 relative with the first plate washer 112 on snap ring 5 other ends, is arranged on second baffle 114 and for making the through hole that the second bolt 9 passes and the second nut 10 matching with the external screw thread of the second bolt 9.After the through hole that the second bolt 9 on the first plate washer 112 is passed on second baffle 114, then by tightening fastening the first plate washer 112 of the second nut 10 and second baffle 114, the first hole 21 on closed snap ring 5, makes snap ring 5 hold pipeline tightly.
According to one embodiment of present invention, snap ring 5 can be provided with more greatly and only by an elasticity metallic object formation of a hole (that is, the first hole 21).
According to another embodiment of the invention, for the ease of snap ring 5 is fixed on pipeline to be welded 2, preferably, snap ring 5 has two and is for example roughly semicircular body (the first noumenon 26 and the second body 27), the first noumenon 26 is connected by being flexibly connected assembly with the second body 27, and described flexible connection assembly is arranged on the relative position of described the first hole 21.Referring to Figure 1B, Fig. 2 A, Fig. 2 B, this flexible connection assembly can comprise the first axle sleeve 122 being arranged on the first noumenon 26 one end, the hinge axis 8 that is arranged on the second axle sleeve 123 on second body 27 one end and connects the first axle sleeve 122 and the second axle sleeve 123, so that the first noumenon 26 and the second body 27 can rotate around hinge axis 8.Simultaneously, for the first axle sleeve 122 is closely connected with the second axle sleeve 123, preferably, the quantity of the first axle sleeve 122 arranging on snap ring 5 can be 1, the quantity of the second axle sleeve 123 arranging on snap ring 5 can be 2, and the distance between two the second axle sleeves 123 is identical with the width of the first axle sleeve 122, so that can intersect chain connection between the first axle sleeve 122 and the second axle sleeve 123, vice versa (, the quantity of the first axle sleeve 122 can be 2, and the quantity of the second axle sleeve 123 can be 1).It is pointed out that those skilled in the art is known, the present invention is not limited to this, so long as the first noumenon 26 and the mutual connecting elements being flexibly connected of the second body 27 all can.
In this exemplary embodiment, wire fixture can comprise the first bolt 4 being fixed on bonding 1 and the first nut 3 matching with the external screw thread of the first bolt 4.Meanwhile, in order to make electric welding machine bonding body firmly whole, preferably, the first bolt 4 is fixed on the junction of bonding 1 and snap ring 5.In addition, can also below the first nut 3, pad 2 be set above electric welding machine wire 14, by tightening the first nut 3, to pad 2, apply downward power, thereby pad 2 be pressed in electric welding machine wire 14 between pad 2 and bonding 1 tightly.
In addition, according to another embodiment of the invention, thereby for fear of the conduction pipeline mother metal of burning between snap ring 5 and bonding 1, can allow snap ring 5 there is certain flexible material and form by nonconducting, for example, can be formed by insulation hard rubber.Or snap ring 5 also can still be formed by metal material, but between snap ring 5 and bonding 1, use insulation to connect, for example, the part being fixedly connected with bonding 1 of snap ring 5 has insulator, and bonding 1 is fixed on this insulator.
Below with reference to Fig. 3 and the concise and to the point bridging method of describing the electric welding machine bonding body of exemplary embodiment of the present invention of Fig. 4.
With reference to Fig. 3, securing member on snap ring 5 is being opened, snap ring 5 is fixed on the polyvinyl chloride anticorrosive coat 13 of pipeline to be welded 11, for avoiding bonding body at when welding pipeline mother metal of burning, the fixed position of snap ring 5 will meet the weld bond of welding that bonding 1 can touch pipeline to be welded 11 can (bonding 1 be overlapped on weld bond, the weld bond of can only burning, and the weld bond after burning can polish and repair; And if bonding 1 is overlapped on pipeline mother metal, burn pipeline mother metal this pipeline will scrap, and need to do over again, to be inventor obtain through design and the thinking of novelty for this); Secondly, the through hole that the second bolt 9 on the first plate washer 112 is passed on second baffle 114, and by the second nut 10 shackles 5; Again, electric welding machine wire 14 is arranged on for example, on (, being wrapped in) first bolt 4, then pad 2 and the first nut 3 are installed successively, by tightening the first nut 3, fix electric welding machine wire 14; Finally, to electric welding machine energising, pipeline to be welded is welded.
With reference to Fig. 4, its bridging method and Fig. 3's is similar, and difference is, the position of bonding 1 overlap joint is positioned on the weld bond also not welded, even if burn like this weld bond, the not weldering weld bond after burning still can be soldered, can polish and repair when the time comes.
Unless have in addition contrary description, otherwise the description to feature or aspect in each embodiment is considered to be applicable to similar feature or the aspect in other embodiment.
Object for promoting the understanding of principle of the present invention, is illustrated the preferred embodiment shown in accompanying drawing, and has used specific language to describe these embodiment.Yet this specific language is not intended to limit the scope of the invention, the present invention should be construed as comprising all embodiment that conventionally there will be for those of ordinary skills.In addition, except not element is described as " requisite " or " key " especially, otherwise do not have element or module to be absolutely necessary to enforcement of the present invention.
Although described exemplary embodiment of the present invention above in detail, there is in the technical field of the invention common practise person without departing from the spirit and scope of the present invention, can make various modifications, retouching and modification to embodiments of the invention.But should be appreciated that In the view of those skilled in the art, these modifications, retouching and modification will fall in the spirit and scope of the exemplary embodiment of the present invention that claim limits.
Finally, unless point out here or in addition with the obvious contradiction of context, otherwise methodical step described herein can be with the order execution of any appropriate.
Claims (14)
1. for a bridging method for the electric welding machine bonding body of pipeline welding, described bonding body comprises that described bridging method comprises for being arranged on the snap ring on pipeline to be welded and being fixed on the bonding on snap ring:
A wire of electric welding machine is connected on bonding;
Snap ring is arranged on the anticorrosive coat or insulation integument of pipeline, need to makes bonding can touch the weld bond of pipeline to be welded;
Bonding is overlapped on the weld bond of pipeline.
2. method according to claim 1, wherein,
This weld bond is to have welded weld bond.
3. method according to claim 1, wherein,
This weld bond is not weld weld bond.
4. method according to claim 1, wherein,
Between snap ring and bonding, adopt insulation connected mode.
5. method according to claim 1, wherein,
Snap ring is formed by insulating materials.
6. an electric welding machine bonding body, comprising:
Snap ring, for being arranged on pipeline to be welded;
Bonding, is fixed on snap ring;
Wire fixture, for electric welding machine wire is fixed on to bonding,
Wherein, between snap ring and bonding, adopt insulation connected mode, or snap ring is formed by insulating materials.
7. electric welding machine bonding body according to claim 6, wherein,
Described wire fixture comprises the first bolt being fixed on bonding and the first nut matching with the external screw thread of the first bolt.
8. electric welding machine bonding body according to claim 7, wherein,
Described the first bolt is positioned at the junction of bonding and snap ring.
9. electric welding machine bonding body according to claim 7, wherein,
Described wire fixture also comprises the pad that is positioned at the first nut below and is positioned at electric welding machine wire top.
10. electric welding machine bonding body according to claim 6, wherein,
On described snap ring, be provided with the first hole, at described the first hole place, on snap ring, be provided with securing member.
11. electric welding machine bonding bodies according to claim 10, wherein,
Described securing member comprises the first baffle plate of being arranged on snap ring one end, be fixed on the second bolt on the first baffle plate, be arranged on the second baffle relative with the first plate washer on the snap ring other end, be arranged on second baffle and for making the through hole that the second bolt passes and the second nut matching with the external screw thread of the second bolt.
12. electric welding machine bonding bodies according to claim 10, wherein,
Snap ring comprises the first noumenon and the second body, is also provided with flexible connection assembly on the relative position of described the first hole, and the first noumenon is connected by being flexibly connected assembly with the second body.
13. electric welding machine bonding bodies according to claim 12, wherein,
Described flexible connection assembly comprises the first axle sleeve being arranged on the first noumenon one end, the hinge axis that is arranged on the second axle sleeve on second body one end and connects the first axle sleeve and the second axle sleeve, so that the first noumenon and the second body can be around hinge axis.
14. electric welding machine bonding bodies according to claim 6, wherein,
Snap ring is formed by a metallic elastic body that is only provided with a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745050.8A CN103737212B (en) | 2013-12-30 | 2013-12-30 | Change electric welding machine bonding body overlapping mode and control the method for pipeline welding quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745050.8A CN103737212B (en) | 2013-12-30 | 2013-12-30 | Change electric welding machine bonding body overlapping mode and control the method for pipeline welding quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737212A true CN103737212A (en) | 2014-04-23 |
| CN103737212B CN103737212B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745050.8A Expired - Fee Related CN103737212B (en) | 2013-12-30 | 2013-12-30 | Change electric welding machine bonding body overlapping mode and control the method for pipeline welding quality |
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| Country | Link |
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| CN (1) | CN103737212B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103993A (en) * | 2014-06-18 | 2014-10-15 | 国家电网公司 | Welding method of power transmission line |
| CN109066120A (en) * | 2018-08-03 | 2018-12-21 | 广东电网有限责任公司 | A kind of substation grounding body attachment device |
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|---|---|---|---|---|
| CN2569394Y (en) * | 2002-06-06 | 2003-08-27 | 广东省电信科学技术研究院 | Special clip ring device for angletype telecommunication iron tower |
| CN2671147Y (en) * | 2003-11-21 | 2005-01-12 | 中国石油天然气集团公司 | Earth wire connector for welding pipeline automatically |
| CN1743120A (en) * | 2005-09-22 | 2006-03-08 | 肖金福 | Magnetic bonding device for electric welding machine |
| CN201316874Y (en) * | 2008-11-27 | 2009-09-30 | 中冶京唐建设有限公司 | Secondary line bond for welding pipelines |
| CN203162388U (en) * | 2013-02-07 | 2013-08-28 | 北京吉瑞普管道技术有限公司 | Pipeline connector |
-
2013
- 2013-12-30 CN CN201310745050.8A patent/CN103737212B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569394Y (en) * | 2002-06-06 | 2003-08-27 | 广东省电信科学技术研究院 | Special clip ring device for angletype telecommunication iron tower |
| CN2671147Y (en) * | 2003-11-21 | 2005-01-12 | 中国石油天然气集团公司 | Earth wire connector for welding pipeline automatically |
| CN1743120A (en) * | 2005-09-22 | 2006-03-08 | 肖金福 | Magnetic bonding device for electric welding machine |
| CN201316874Y (en) * | 2008-11-27 | 2009-09-30 | 中冶京唐建设有限公司 | Secondary line bond for welding pipelines |
| CN203162388U (en) * | 2013-02-07 | 2013-08-28 | 北京吉瑞普管道技术有限公司 | Pipeline connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103993A (en) * | 2014-06-18 | 2014-10-15 | 国家电网公司 | Welding method of power transmission line |
| CN109066120A (en) * | 2018-08-03 | 2018-12-21 | 广东电网有限责任公司 | A kind of substation grounding body attachment device |
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| Publication number | Publication date |
|---|---|
| CN103737212B (en) | 2016-05-11 |
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