CN202527860U - Welding seam tracking mechanism of pipeline welding system - Google Patents

Welding seam tracking mechanism of pipeline welding system Download PDF

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Publication number
CN202527860U
CN202527860U CN 201220154267 CN201220154267U CN202527860U CN 202527860 U CN202527860 U CN 202527860U CN 201220154267 CN201220154267 CN 201220154267 CN 201220154267 U CN201220154267 U CN 201220154267U CN 202527860 U CN202527860 U CN 202527860U
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CN
China
Prior art keywords
welding
tracking
pipeline
spring
connecting rod
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
Application number
CN 201220154267
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Chinese (zh)
Inventor
王长江
尹铁
张峰
于金柱
王放
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum Pipeline Engineering Corp
Original Assignee
China National Petroleum Corp
China Petroleum Pipeline Bureau Co Ltd
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Priority to CN 201220154267 priority Critical patent/CN202527860U/en
Application granted granted Critical
Publication of CN202527860U publication Critical patent/CN202527860U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a welding seam tracking mechanism of a pipeline welding system. The mechanism comprises a tracking wheel, a connecting block, a spring sliding rod, a sliding chute, a connecting rod, a connecting plate, a welding trolley and a welding rail, wherein the tracking wheel is connected with the connecting block through the spring sliding rod; the connecting block is fixed on the connecting plate; the connecting rod is fixedly connected with the connecting plate and is arranged in the sliding chute; a spring is arranged on the connecting rod; the sliding chute is fixed on the welding trolley; the welding trolley is clamped on the welding rail; and the welding rail is arranged on a pipeline. The tracking wheel of the welding seam tracking mechanism and a weld groove have a consistent outline, and specific tracks of welding seams can be well tracked by the tracking wheel under the combined action of the spring sliding rod, the sliding chute, the connecting rod and the spring, so that welding torch centers can be aligned with the welding seams, the problem of high burning deviation possibility of the welding seams generated when a welding seam follow-up tracking mechanism is not used is solved, and forming effects and welding quality of the welding seams are ensured.

Description

The weld joint tracking mechanism of pipeline welding system
Technical field
The utility model relates to the oil and gas pipeline welding technology field, particularly a kind of weld seam servo-actuated follower that is used for pipeline all-position laser-arc hybrid welding process welding system.
Background technology
For increasing the oil gas conveying capacity; The immense pressure that the energy demand that alleviating China increases day by day brings; Long oil and gas pipeline develops towards high grade of steel, high pressure, heavy caliber, heavy wall direction; And existing solder technology and equipment are difficult to satisfy the requirement to efficiency of construction of high grade of steel, the long oil and gas pipeline of heavy caliber, are seriously restricting the pipeline construction progress, increase construction cost.How to improve high grade of steel, the long oil and gas pipeline efficiency of construction of heavy caliber, become the focal issue that unit in charge of construction pays close attention to the most.
As everyone knows, the most important thing of pipe-line construction is pipeline welding, and the speed of pipeline welding and quality have determined the progress and the quality of engineering.At the pipeline all-position automatic welding technique and the equipment of usefulness, because of receiving the restriction of speed of welding and individual layer throat thickness, difficult degree improves welding efficiency at present.Under this sight, pipeline all-position laser-arc hybrid welding process technology is arisen at the historic moment, for the pipe-line construction engineering in the misfortune has been brought the dawn of hoping.Pipeline laser/electric arc hybrid welding technology; Advantages such as the speed of welding bridging capability of arc welding is strong and Laser Welding is fast, fusion penetration is big combine together; Harshness when the conventional arc welding technology of having forgone can't rely on and improve bonding power and obtain bigger fusion penetration and Geng Gao speed of welding and pure Laser Welding and be used for the pipe line steel welding requires, the defectives such as poor impact toughness of weld seam, can solve a difficult problem that has the welding aspect that exists in the pipe-line construction now well.
Owing to all there is error when steel pipe tubulation and pipe end groove; Be difficult to guarantee the absolute vertical of pipe end root face plane and body; Then be difficult to accomplish entirely on the center to circumferential weld center, back of compound welding torch center and mouth of pipe group, when welding, being prone to welding pool can not centering weld seam center, and root face is penetration fully; Cause appearance of weld bad, welding quality is defective.
The utility model content
The purpose of the utility model provides a kind of weld joint tracking mechanism that is used for pipeline welding system, make welding torch center and mouth of pipe group to after the circumferential weld center entirely on the center, prevent that weld seam from burning partially, guarantees final appearance of weld effect and welding quality.
For solving the problems of the technologies described above, the utility model provides a kind of weld joint tracking mechanism of pipeline welding system, comprises tracking wheel, contiguous block, spring slide bar, chute, connecting rod, connecting plate, welding tractor and welded rails; Said tracking wheel is connected with said contiguous block through said spring slide bar, and said contiguous block is fixed on the said connecting plate, and said connecting rod is fixedly connected with connecting plate; Connecting rod is arranged in the said chute; Connecting rod is provided with spring, and chute is fixed on the said welding tractor, and welding tractor is installed on the said welded rails; Welded rails is installed on the pipeline, and laser torch and arc torch are installed on the said connecting plate.
Further, said tracking wheel profile and weld groove form are coincide.
Further, said tracking wheel and laser torch center, arc torch center are in the same plane.
The weld joint tracking mechanism of the pipeline welding system that the utility model provides; Can follow the tracks of the concrete track of weld seam well; Guarantee welding torch center and weld seam centering all the time; Solve the inclined to one side phenomenon of burning that weld seam is prone to when not using weld joint tracking mechanism, guaranteed final appearance of weld effect and welding quality, and simple in structure, practical.
Description of drawings
The pipeline welding system sketch map that Fig. 1 the utility model embodiment provides.
Weld joint tracking mechanism that Fig. 2 the utility model embodiment provides and the scheme of installation of welding tractor on pipeline.
The schematic side view that the weld joint tracking mechanism that Fig. 3 the utility model embodiment provides is connected with welding tractor.
The sketch map that the weld joint tracking mechanism that Fig. 4 the utility model embodiment provides is connected with welding tractor.
The weld groove form sketch map that Fig. 5 the utility model embodiment provides.
The weld joint tracking mechanism tracking wheel sketch map that Fig. 6 the utility model embodiment provides.
The tracking wheel of the weld joint tracking mechanism that Fig. 7 the utility model embodiment provides and weld groove form applying sketch map.
The specific embodiment
Referring to Fig. 2, Fig. 3 and Fig. 4, the weld joint tracking mechanism of a kind of pipeline welding system that the utility model embodiment provides comprises tracking wheel 12, contiguous block 14, spring slide bar 13, chute 15, connecting rod 16, connecting plate 10, welding tractor 5 and welded rails 7.Tracking wheel 12 links to each other with contiguous block 14 through spring litter 13, under the effect of the spring force of spring litter 13, can adapt to the waviness of tracking wheel 12 tracking weld seams 8 well; Contiguous block 14 is fixed on the connecting plate 10; Connecting rod 16 is fixedly connected with connecting plate 10, and connecting rod 16 is arranged in the chute 15, and connecting rod 16 is provided with spring 17; Chute 15 is fixed on the welding tractor 5; Thereby realization tracking wheel 12 is connected with welding tractor 5, and connecting rod 16 can move horizontally in chute 15, and under the elastic force effect of spring 17, can comply with tracking wheel 12 swinging with weld seam 8 tracks; Welding tractor 5 is installed on the welded rails 7, and welded rails 7 is installed on the pipeline 6; Laser torch 9 and arc torch 11 are installed on the connecting plate 10.The median plane of the center of the center of laser torch 9 and arc torch 11 and tracking wheel 12 is in the same plane.Tracking wheel 12 can drive compound welding torch 4 and do same wobbling action in the process that swings with weld seam 8 tracks, to guarantee the centering effect of welding torch center and weld seam.
Referring to Fig. 5, Fig. 6 and Fig. 7, in order to guarantee tracking effect, the profile 19 of tracking wheel 12 coincide with weld groove 18 forms, and wherein, tracking wheel 12 adopts polyformaldehyde material to process, and butt welded seam 8 causes wearing and tearing in the time of can preventing tracking wheel 12 with weld seam 8 applyings.
The weld joint tracking mechanical work principle of a kind of pipeline welding system that the utility model embodiment provides is following:
As depicted in figs. 1 and 2, welded rails 7 is installed on the steel pipe 6, welding tractor 5 is installed on welded rails 7, should guarantee after being installed that the profile 19 of tracking wheel 12 and the groove type 18 of weld seam 8 fit fully, to reach the effect of weld seam with motion tracking; Then; Regulate laser torch 9 and arc torch 11 to appropriate distance and angle as requested; The center of laser torch 9 and 11 centers of arc torch and the median plane of tracking wheel 12 are in the same plane, arc welder 2 is connected with composite welding control system 1 respectively with laser instrument 3, again laser torch 9 is connected with laser instrument 3; Arc torch 11 is connected with arc welder 2; And, then, can implement the laser-arc hybrid welding process welding according to associated welds parameters such as actual condition adjustment laser power, weldingvoltage, welding current, wires feed rate; During welding; The profile 19 and the weld groove form 18 of tracking wheel 12 are fitted fully, and tracking wheel 12 adapts to the waviness of following the tracks of weld seam 8 groove types 18 under the spring force effect of spring slide bar 13, through connecting rod 16 moving horizontally in chute 15 under the elastic force effect of spring 17; Tracking wheel 12 can be complied with the amplitude that swings of weld seam 8 tracks; The real trace of the weld seam of mechanical type induction in real time groove type 18, and encourage compound welding torch 4 servo-actuateds, guarantee the centering effect of welding torch 4 centers and weld seam 8; Avoid weld groove form 18 to burn the generation of inclined to one side phenomenon, reach best appearance of weld and welding quality.
The weld joint tracking mechanism of the pipeline welding system that the utility model provides; Has tracking wheel with the consistent profile of weld groove form; And under the acting in conjunction of spring slide bar, chute, connecting rod, spring, can make tracking wheel comply with the waviness of weld groove and the throw of horizontal displacement, make tracking wheel can drive the concrete track that welding torch is followed the tracks of weld seam well; Guarantee welding torch center and weld seam centering all the time; Solve the inclined to one side phenomenon of burning that weld seam is prone to when not using weld seam servo-actuated follower, guaranteed final appearance of weld effect and welding quality, and had simple in structure, practical advantage.
It should be noted last that; The above specific embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to instance the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims (3)

1. the weld joint tracking mechanism of a pipeline welding system is characterized in that: comprise tracking wheel, contiguous block, spring slide bar, chute, connecting rod, connecting plate, welding tractor and welded rails; Said tracking wheel is connected with said contiguous block through said spring slide bar, and on the fixing said connecting plate of said contiguous block, said connecting rod is fixedly connected with connecting plate; Connecting rod is arranged in the said chute; Connecting rod is provided with spring, and chute is fixed on the said welding tractor, and welding tractor is installed on the said welded rails; Welded rails is installed on the pipeline, and laser torch and arc torch are installed on the said connecting plate.
2. the weld joint tracking mechanism of pipeline welding system according to claim 1 is characterized in that: the profile of said tracking wheel and weld groove form are coincide.
3. the weld joint tracking mechanism of pipeline welding system according to claim 1, it is characterized in that: the center of said tracking wheel median plane and laser torch, the center of arc torch are in the same plane.
CN 201220154267 2012-04-12 2012-04-12 Welding seam tracking mechanism of pipeline welding system Expired - Fee Related CN202527860U (en)

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Application Number Priority Date Filing Date Title
CN 201220154267 CN202527860U (en) 2012-04-12 2012-04-12 Welding seam tracking mechanism of pipeline welding system

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Application Number Priority Date Filing Date Title
CN 201220154267 CN202527860U (en) 2012-04-12 2012-04-12 Welding seam tracking mechanism of pipeline welding system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615440A (en) * 2012-04-12 2012-08-01 中国石油天然气集团公司 Seam tracking mechanism of pipeline welding system
CN103418890A (en) * 2013-08-13 2013-12-04 苏州新华软智能装备有限公司 Pipeline welding robot for field construction welding of special steel
CN104439705A (en) * 2013-09-25 2015-03-25 中国石油天然气集团公司 Safety monitoring device for all-position laser-arc hybrid welding of pipelines
CN108857071A (en) * 2018-06-14 2018-11-23 湖北三江航天红峰控制有限公司 The end surface machining apparatus and its processing method of special-shaped thin wall annular construction member
US20210178504A1 (en) * 2019-12-16 2021-06-17 Titan Trailers Inc. Return Current Roller For Automatic Welder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615440A (en) * 2012-04-12 2012-08-01 中国石油天然气集团公司 Seam tracking mechanism of pipeline welding system
CN103418890A (en) * 2013-08-13 2013-12-04 苏州新华软智能装备有限公司 Pipeline welding robot for field construction welding of special steel
CN104439705A (en) * 2013-09-25 2015-03-25 中国石油天然气集团公司 Safety monitoring device for all-position laser-arc hybrid welding of pipelines
CN104439705B (en) * 2013-09-25 2016-08-17 中国石油天然气集团公司 Pipeline all-position laser-arc hybrid welding process safety monitoring assembly
CN108857071A (en) * 2018-06-14 2018-11-23 湖北三江航天红峰控制有限公司 The end surface machining apparatus and its processing method of special-shaped thin wall annular construction member
US20210178504A1 (en) * 2019-12-16 2021-06-17 Titan Trailers Inc. Return Current Roller For Automatic Welder

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170301

Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No.

Patentee after: China National Petroleum Corporation

Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd.

Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No.

Patentee before: China National Petroleum Corporation

Patentee before: China Petroleum and Natural Gas Pipeline Bureau

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121114

Termination date: 20210412

CF01 Termination of patent right due to non-payment of annual fee