[go: up one dir, main page]

CN107470909A - A kind of penstock weld seam automatically levelling welder and welding method - Google Patents

A kind of penstock weld seam automatically levelling welder and welding method Download PDF

Info

Publication number
CN107470909A
CN107470909A CN201710827947.3A CN201710827947A CN107470909A CN 107470909 A CN107470909 A CN 107470909A CN 201710827947 A CN201710827947 A CN 201710827947A CN 107470909 A CN107470909 A CN 107470909A
Authority
CN
China
Prior art keywords
penstock
upper frame
slide
oil cylinder
sides
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.)
Granted
Application number
CN201710827947.3A
Other languages
Chinese (zh)
Other versions
CN107470909B (en
Inventor
卫书满
周复明
雷亚萍
殷程
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 Gezhouba Group Co Ltd
Original Assignee
China Gezhouba Group Mechanical and Electrical Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Gezhouba Group Mechanical and Electrical Construction Co Ltd filed Critical China Gezhouba Group Mechanical and Electrical Construction Co Ltd
Priority to CN201710827947.3A priority Critical patent/CN107470909B/en
Publication of CN107470909A publication Critical patent/CN107470909A/en
Application granted granted Critical
Publication of CN107470909B publication Critical patent/CN107470909B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)

Abstract

A kind of penstock weld seam automatically levelling welder and welding method, including expansion bracket and slipping mechanism, slipping mechanism both ends pass through one piece of connecting plate and expansion bracket detachable connection respectively, welding machine and two groups of pressure pipe structures, the welding machine both sides that two groups of pressure pipe structures are respectively provided at are installed on slipping mechanism;Expansion bracket includes upper frame, chassis and multiple first oil cylinders, upper frame is connected by multiple first oil cylinders with chassis, upper frame top surface and chassis bottom surface are arc surface, two pieces of connecting plates are connected to upper frame both sides, the present invention welds again after being flattened to penstock seam both sides tube wall, it is ensured that the penstock seam both sides tube wall after welding is on same circular arc line.

Description

A kind of penstock weld seam automatically levelling welder and welding method
Technical field
The present invention relates to a kind of penstock weld seam automatically levelling welder and welding method.
Background technology
The diversion system of current domestic power station, especially hydroenergy storage station uses the form of steel lining more, that is, presses Power steel pipe, the welding quality of penstock are the systems of the CCP, wherein penstock of penstock manufacture installation quality It is and some pressure first by bulk steel plate bending into being again attached tube ends seam by the way of downhand welding after pipe to make Steel pipe can make steel pipe deformation because of some factors such as bending error or carrying, its form as shown in Figures 9 and 10, seam both sides Tube wall is not on same circular arc line, is that can cause mouth of pipe shape first after the seam welds to the penstock of this form Shape is irregular so that again by two section penstock docking, perfect can not be docked between the mouth of pipe and the mouth of pipe, not only welding inconvenience, and And the mouth of pipe after welding can be caused to cause the face of weld to be broken because local internal stress is excessive;Next to that penstock is held in follow-up use When carrying hydraulic pressure, because penstock is irregular, inside penstock can not uniform pressure-bearing, tube wall can because pressure-bearing is uneven make its Face of weld weakness is broken.
The content of the invention
The present invention is to solve a kind of penstock weld seam automatically levelling welder and welding method are provided, can be right Penstock seam both sides tube wall welds again after being smoothed, it is ensured that the penstock seam both sides tube wall after welding is in same circle On camber line.
In order to solve the above-mentioned technical problem, the technical scheme is that:
A kind of penstock weld seam automatically levelling welder, including expansion bracket and slipping mechanism, slipping mechanism both ends lead to respectively One piece of connecting plate and expansion bracket detachable connection are crossed, welding machine and two groups of pressure pipe structures, two groups of pressure pipes are installed on slipping mechanism The welding machine both sides that mechanism is respectively provided at;
Expansion bracket includes upper frame, chassis and multiple first oil cylinders, and upper frame is connected by multiple first oil cylinders with chassis, upper frame top surface It is arc surface with chassis bottom surface, two pieces of connecting plates are connected to upper frame both sides;
Slipping mechanism includes the slide bar component that two row be arranged in parallel, and each slide bar component both ends are detachably connected with two pieces of connecting plates, A sliding block is mounted on each slide bar component, two sliding blocks are connected by one piece of supporting plate, and welding machine is arranged in supporting plate Portion;
Pressure pipe structure includes fixed second oil cylinder on the supporting plate, and the second cylinder piston rod is passed through after supporting plate with being arranged on two pieces Roll stand connection between sliding block, is provided with disk roller in roll stand.
It is separately installed with a tube-pulling apparatus at upper frame both ends, the tube-pulling apparatus includes that middle part is hinged in upper frame Three oil cylinders, the 3rd oil cylinder both ends piston rod are connected with a clamp system respectively, and the clamp system includes being opened on upper frame Multiple slide openings, a removable slide-bar is inserted in each slide opening, and the 3rd cylinder piston rod is hinged with being enclosed on slide-bar Upper shaft sleeve, sliding Axle one end is connected with a clamp outside upper frame, and the clamp can be clamped on the penstock mouth of pipe.
The slide opening is to be made up of the circular hole of one with an arc mounting hole for being connected to circular hole one end, and Circularhole diameter is big In the width of arc mounting hole, arc mounting hole tilts away from circular hole one end towards penstock axis direction.
The clamp includes being connected to sector eccentric block on slide-bar of the top plate, axis connection of slide-bar one end, is fixedly connected Pressing plate in top plate one end, it is fixedly connected on the gusset of top plate side and the jackscrew being threaded on gusset, penstock position Between eccentric disk and pressing plate, rotation jackscrew can promote eccentric block to rotate, and be equipped with pressing plate and eccentric block apparent surface more Bar fin.
Cylinder is installed with connecting plate, cylinder piston rod is connected with supporting plate, is provided with firn-jet head on the supporting plate, Firn-jet head goes out fiery direction towards penstock.
A kind of method welded using penstock weld seam automatically levelling welder to penstock seam, including Following steps;
The first step, by the first oil cylinder expansion bracket is adjusted to specified altitude assignment;
Second step, after installing slipping mechanism and pressure pipe structure on expansion bracket, light firn-jet head and start cylinder, utilize flame Head abutment joint both sides tube wall is preheated, after temperature reaches preset temperature, cylinder stopping action;
3rd step, using tube-pulling apparatus seam both sides tube wall is drawn over to one's side, it is ensured that gaping of joints is in prescribed limit;
4th step, first extend the second oil cylinder, start welding machine afterwards, the second oil cylinder pushing disk roller is by welding machine welding gun pressure at both sides steel pipe pressure Move to upper frame arc surface is attached to, abutment joint both sides tube wall carries out shaping, and subsequent welding machine welds to the seam after shaping, with this Mobile pressure pipe structure simultaneously, complete abutment joint welding,
Beneficial effects of the present invention are:
1. the present invention is to be connect penstock as reference plane, then by two groups of pressure pipe structures with expansion bracket upper frame upper end arc surface Seam both sides tube wall is pressed in reference plane, to realize the correction to the irregular irregular tube wall in seam both sides, then utilizes welding machine Abutment joint is welded and fixed, and realizes the purpose welded to penstock tube wall in correction so that finally welding comes out Penstock seam crossing both sides tube wall ensures that penstock shape is regular on same circular arc line.
2. tube-pulling apparatus can draw seam both sides tube wall over to one's side, it is ensured that gaping of joints is in prescribed limit, to ensure to weld Quality and precision.
3. due to being that arc mounting hole one end tilts down in slide opening, therefore when slide-bar pulls penstock by clamp When seam both sides tube wall is mutually drawn close, seam both sides tube wall can be made to be close to the motion of expansion bracket upper frame arc surface, assist pressure pipe Mechanism presses to steel pipe, improves the shaping effect to steel pipe.
4. two clamps inwardly move in clamp system, eccentric block with slide-bar move and by the penstock mouth of pipe to Pressing plate direction jack, with realize penstock is fixedly clamped, with avoid pull penstock when clamp slip.
5. before abutment joint welding, penstock seam both sides tube wall can be preheated using firn-jet head, Jin Erjin One step improves welding quality.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the main structure diagram of the present invention,
Fig. 2 is the overlooking the structure diagram of the present invention,
Fig. 3 is the cross-sectional view at A-A in Fig. 1, and cylinder is not shown in figure,
Fig. 4 is the cross-sectional view at B-B in Fig. 1, and cylinder is not shown in figure,
Fig. 5 is the cross-sectional view at C-C in Fig. 2,
Fig. 6 is part section structural representation of the present invention on pressure pipe structure,
Fig. 7 is cross-sectional view of the present invention on clamp,
Fig. 8 is the partial enlargement structural representation at D in Fig. 5,
Fig. 9 is the Fig. 9 being mentioned in above-mentioned background technology,
Figure 10 is the Figure 10 being mentioned in above-mentioned background technology.
In figure:Penstock 1, expansion bracket 2, connecting plate 3, tube-pulling apparatus 4, pressure pipe structure 5, welding machine 6, slipping mechanism 7, flame First 9, cylinder 10, seam 11, upper frame 21, chassis 22, Ffirst cylinder 23, clamp 41, slide-bar 42, axle sleeve 43, three oil cylinders 44, slide opening 45th, the second oil cylinder 51, roll stand 52, disk roller 53, slide bar component 71, supporting plate 72, sliding block 73, arc 211, rib 212, top plate 411st, pressing plate 412, eccentric block 413, gusset 414, jackscrew 415, circular hole 451, mounting hole 452.
Embodiment
As shown in Fig. 1 to 7, a kind of penstock weld seam automatically levelling welder, including it is located at stretching in penstock Contracting frame 2 and the slipping mechanism 7 being arranged on outside penstock, the both ends of slipping mechanism 7 respectively can by one piece of connecting plate 3 and expansion bracket 2 It is detachably connected with, welding machine 6 and two groups of pressure pipe structures 5, the weldering that two groups of pressure pipe structures 5 are respectively provided at is installed on slipping mechanism 7 The both sides of machine 6;
Expansion bracket 2 includes upper frame 21, chassis 22 and multiple Ffirst cylinder 2s 3, and upper frame 21 passes through multiple Ffirst cylinder 2s 3 and chassis 22 Connection, the top surface of upper frame 21 and the bottom surface of chassis 22 are arc surface, and two pieces of connecting plates 3 are connected to the both sides of upper frame 21, pressure to be welded Power steel pipe seam is between two pieces of connecting plates 3;The upper frame 21 includes the arc 211 of polylith parallel interval arranged, respectively Block arc 211 is connected by more ribs 212, and each piece of upper end arc section of arc 211 collectively forms one and penstock The corresponding arc surface of internal face, the structure of chassis 22 is identical with the structure of upper frame 21, and two pieces of connecting plates 3 pass through more screws and spacer sleeve 31 It is removably mounted to the both ends of upper frame 21;
As shown in fig. 7, slipping mechanism 7 includes the slide bar component 71 that two row be arranged in parallel, each both ends of slide bar component 71 pass through screw Detachable connection is mounted on a sliding block 73 on two pieces of connecting plates 3 on each slide bar component 71, and two sliding blocks 73 pass through one Block supporting plate 72 connects, and automatic welder 6 is arranged on the middle part of supporting plate 72;The slide bar component 71 is arranged in parallel by about more The slide bar of arrangement is formed;
As shown in Fig. 2,4 and 6, pressure pipe structure 5 includes being fixed on the second oil cylinder 51 in supporting plate 72, and the piston rod of the second oil cylinder 51 is worn It is connected after crossing supporting plate 72 with the roll stand 52 being arranged between two pieces of sliding blocks 73, disk roller 53 is installed in roll stand 52.
The present invention application method be:
The first step, Ffirst cylinder 23 are shunk, it is desirable to which the whole height of expansion bracket 2 is less than penstock diameter;
Expansion bracket 2 is transported in penstock by second step, crane or fork truck, it is desirable to which the middle part of upper frame 21 is located at penstock seam Immediately below 11;
3rd step, Ffirst cylinder 23 extend, and ensure that the height of expansion bracket 2 after elongation is consistent with drawing normal pressure diameter of steel tube;
4th step, slipping mechanism 7,6, two groups of pressure pipe structures 5 of welding machine and two pieces of connecting plates 3 are installed to the both ends of upper frame 21, it is ensured that weldering The welding gun of machine 6 is towards seam 11.
5th step, start the second oil cylinder 51, the both sides tube wall of seam 11 be pressed on the arc surface of upper frame 21 using disk roller 53, Then start welding machine 6 and promote supporting plate 72, welded with abutment joint 11;In addition, when penstock steel wall is relatively thin, second The pressure that oil cylinder 51 is applied on tube wall is smaller, and worker can single-handedly promote supporting plate 72 to translate;When penstock tube wall is thicker, The pressure that second oil cylinder 51 is applied on tube wall is larger, when can not single-handedly promote supporting plate 72, chain block can be utilized to pull Supporting plate 72 translates.
As can be seen here, the present invention is to pass through two groups of pressure pipe structures as reference plane with the upper end arc surface of 2 upper frame of expansion bracket 21 5 are pressed to the both sides tube wall of steel pipe seam 11 in reference plane, to realize the correction to the irregular tube wall in the irregular both sides of seam 11, Then welded using the abutment joint 11 of welding machine 6, realize the purpose welded to penstock tube wall in correction, make finally to weld Pick out both sides tube wall at the penstock seam 11 come and on same circular arc line, ensure that penstock shape is regular.
As shown in figure 3, being separately installed with a tube-pulling apparatus 4 at the both ends of upper frame 21, the tube-pulling apparatus 4 is cut with scissors including middle part The 3rd oil cylinder 44 being connected in upper frame 21, the both ends piston rod of the 3rd oil cylinder 44 are connected with a clamp system respectively, the clamping Mechanism includes the multiple slide openings 45 being opened on upper frame 21, and a removable slide-bar 42 is inserted in each slide opening 45, the 3rd oil cylinder 44 piston rods are be hinged with being enclosed on the Upper shaft sleeve 43 of slide-bar 42, and the one end of slide-bar 42 is connected with a clamp 41 outside upper frame 21, the folder Pincers 41 can be clamped on the penstock mouth of pipe.
Using, first extending the 3rd oil cylinder 44, then snapping onto clamp 41 on the both sides mouth of pipe of seam 11, shrinking the Three oil cylinders 44, after clamp 41 pulls the both sides tube wall of seam 11 to draw close, measure the spacing of seam 11, it is ensured that the gap of seam 11 is in regulation model In enclosing.
As best shown in figures 5 and 7, the slide opening 45 be by one circular hole 451 and be connected to the arc of the one end of circular hole 451 Mounting hole 452 is formed, and the diameter of circular hole 451 is more than the width of arc mounting hole 452, and arc mounting hole 452 is away from the one end of circular hole 451 Tilted towards penstock axis direction.
When the 3rd oil cylinder 44 extends, slide-bar 42 is located in circular hole 451, now slide-bar 42 can in the circular hole 451 on the bottom Dynamic, this structure, which can facilitate, snaps onto clamp 41 on the mouth of pipe, after the 3rd oil cylinder 44 shrinks, slide-bar 42 from circular hole 451 to The direction of arc mounting hole 452 is moved, and because the one end of arc mounting hole 452 is tilted to penstock axis direction, therefore is being drawn During dynamic slide-bar 42, clamp 41 pulls tube wall to be moved to steel pipe axis direction, so that tube wall is adjacent on the arc surface of upper frame 21, assists Pressure pipe structure 5 presses to steel pipe, improves the shaping effect to steel pipe.
As best shown in figures 5 and 7, the clamp 41 includes being connected to the top plate 411 of the one end of slide-bar 42, axis connection on slide-bar 42 Sector eccentric block 413, the gusset 414 that is fixedly connected on the pressing plate 412 of the one end of top plate 411, is fixedly connected on the side of top plate 411 With the jackscrew 415 being threaded on gusset 414, for penstock between eccentric disk and pressing plate 412, rotation jackscrew 415 can Promote eccentric block 413 to rotate, a plurality of fin is equipped with pressing plate 412 and the apparent surface of eccentric block 413.In use, it can incite somebody to action Steel pipe nozzle is snapped onto between eccentric disk and pressing plate 412, then rotates jackscrew 415, and eccentric disk is promoted by steel pipe using jackscrew 415 The mouth of pipe compresses.
As seen in figs, cylinder 10 is installed with connecting plate 3, the piston rod of cylinder 10 is connected with supporting plate 72, Firn-jet head 9 is installed, firn-jet head 9 goes out fiery direction towards penstock in supporting plate 72.
Before use, the second oil cylinder 51 can be unclamped, then acetylene pipeline and oxygen channel are linked on firn-jet head 9, point Combustion firn-jet head 9 and startup cylinder 10, cylinder 10 promote firn-jet head 9 to move back and forth, and carrying out baking with the both sides tube wall of abutment joint 11 adds Heat, after tube wall is preheating to set point of temperature, to starting the second oil cylinder 51 and the 3rd oil cylinder 44, steel pipe seam 11 is drawn over to one's side, Compress and weld.

Claims (6)

1. a kind of penstock weld seam automatically levelling welder, its spy are:Including setting expansion bracket(2)And slipping mechanism(7), Slipping mechanism(7)Both ends pass through one piece of connecting plate respectively(3)With expansion bracket(2)Detachable connection, in slipping mechanism(7)Upper installation There is welding machine(6)With two groups of pressure pipe structures(5), two groups of pressure pipe structures(5)The welding machine being respectively provided at(6)Both sides;
Expansion bracket(2)Including upper frame(21), chassis(22)With multiple first oil cylinders(23), upper frame(21)Pass through multiple first oil cylinders (23)With chassis(22)Connection, upper frame(21)Top surface and chassis(22)Bottom surface is arc surface, two pieces of connecting plates(3)It is connected to Upper frame(21)Both sides;
Slipping mechanism(7)The slide bar component being be arranged in parallel including two row(71), each slide bar component(71)Both ends detachable connection In two pieces of connecting plates(3)On, in each slide bar component(71)On be mounted on a sliding block(73), two sliding blocks(73)Pass through one piece of branch Fagging(72)Connection, welding machine(6)Installed in supporting plate(72)Middle part;
Pressure pipe structure(5)Including being fixed on supporting plate(72)Upper second oil cylinder(51), the second oil cylinder(51)Piston rod passes through support Plate(72)Afterwards with being arranged on two pieces of sliding blocks(73)Between roll stand(52)Connection, in roll stand(52)Disk roller is inside installed(53).
2. a kind of penstock weld seam automatically levelling welder according to claim 1, its spy are:In upper frame(21) Both ends are separately installed with a tube-pulling apparatus(4), the tube-pulling apparatus(4)Upper frame is hinged on including middle part(21)The 3rd interior oil Cylinder(44), the 3rd oil cylinder(44)Both ends piston rod is connected with a clamp system respectively, and the clamp system includes being opened in top Frame(21)On multiple slide openings(45), a removable slide-bar(42)It is inserted in each slide opening(45)It is interior, the 3rd oil cylinder(44)Piston Bar is with being enclosed on slide-bar(42)Upper shaft sleeve(43)It is be hinged, slide-bar(42)One end and upper frame(21)An outer clamp(41)Connection, institute State clamp(41)It can be clamped on the penstock mouth of pipe.
3. a kind of penstock weld seam automatically levelling welder according to claim 2, its spy are:The slide opening (45)It is by the circular hole of one(451)Be connected to circular hole(451)One arc mounting hole of one end(452)Form, circular hole (451)Diameter is more than arc mounting hole(452)Width, arc mounting hole(452)Away from circular hole(451)One end is towards pressure steel Tube axis direction tilts.
4. a kind of penstock weld seam automatically levelling welder according to Claims 2 or 3, its spy are:The folder Pincers(41)Including being connected to slide-bar(42)The top plate of one end(411), axis connection is in slide-bar(42)On sector eccentric block(413)、 It is fixedly connected on top plate(411)The pressing plate of one end(412), be fixedly connected on top plate(411)The gusset of side(414)Connect with screw thread It is connected on gusset(414)On jackscrew(415), penstock is located at eccentric disk and pressing plate(412)Between, rotate jackscrew(415)Can Promote eccentric block(413)Rotation, in pressing plate(412)And eccentric block(413)A plurality of fin is equipped with apparent surface.
5. a kind of penstock weld seam automatically levelling welder according to claim 4, its spy are:In connecting plate(3) On be installed with cylinder(10), cylinder(10)Piston rod and supporting plate(72)Connection, in supporting plate(72)On flame is installed Head(9), firn-jet head(9)Go out fiery direction towards penstock.
6. the penstock weld seam automatically levelling welder described in a kind of usage right requirement 5 welds to penstock seam The method connect, its spy are:Comprise the following steps;
The first step, pass through the first oil cylinder(23)By expansion bracket(2)Adjust to specified altitude assignment;
Second step, in expansion bracket(2)On install slipping mechanism(7)And pressure pipe structure(5)Afterwards, firn-jet head is lighted(9)And startup Cylinder(10), utilize firn-jet head(9)Abutment joint(11)Both sides tube wall is preheated, after temperature reaches preset temperature, cylinder (10)Stopping acts;
3rd step, utilize tube-pulling apparatus(4)By seam(11)Both sides tube wall is drawn over to one's side, it is ensured that gaping of joints is in prescribed limit;
4th step, first extend the second oil cylinder(51), start welding machine, the second oil cylinder afterwards(51)Promote disk roller(53)By welding machine(8)Weldering Rifle pressure at both sides steel pipe is pressed to being attached to upper frame(21)Arc surface, shaping, subsequent welding machine are carried out with abutment joint both sides tube wall(8)It is right Seam after shaping is welded, and at the same time moves pressure pipe structure(5), complete the welding of abutment joint.
CN201710827947.3A 2017-09-14 2017-09-14 Automatic leveling welding device and welding method for welding seam of pressure steel pipe Active CN107470909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710827947.3A CN107470909B (en) 2017-09-14 2017-09-14 Automatic leveling welding device and welding method for welding seam of pressure steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710827947.3A CN107470909B (en) 2017-09-14 2017-09-14 Automatic leveling welding device and welding method for welding seam of pressure steel pipe

Publications (2)

Publication Number Publication Date
CN107470909A true CN107470909A (en) 2017-12-15
CN107470909B CN107470909B (en) 2023-08-08

Family

ID=60584489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710827947.3A Active CN107470909B (en) 2017-09-14 2017-09-14 Automatic leveling welding device and welding method for welding seam of pressure steel pipe

Country Status (1)

Country Link
CN (1) CN107470909B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115770801A (en) * 2021-09-07 2023-03-10 中集安瑞醇科技股份有限公司 Cylinder weld seam leveling machine
CN115818932A (en) * 2022-11-21 2023-03-21 宁波云德半导体材料有限公司 Rotary friction welding device and method for quartz workpieces
CN118492539A (en) * 2024-07-18 2024-08-16 深圳市艾贝特电子科技有限公司 Welding device for welding inner side weld joint

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828897C (en) * 1949-02-04 1952-01-21 Siemens Schuckertwerke A G Process for arc seam welding of butt joints in metal sheets, pipes, containers or the like.
GB682016A (en) * 1950-04-04 1952-11-05 Gen Electric Co Ltd Improvements in or relating to electric cables
JPH05104272A (en) * 1991-10-09 1993-04-27 Nisshin Steel Co Ltd Welding equipment for manufacturing pipe
JPH0570776U (en) * 1992-02-28 1993-09-24 住友金属工業株式会社 Pipe joining device
JPH05277559A (en) * 1992-03-27 1993-10-26 Nisshin Steel Co Ltd Correcting method for welded metallic tube
JPH07314186A (en) * 1994-05-25 1995-12-05 Oobayashi Doro Kk Strain relieving device of butt weld zone of pipe
JPH10100032A (en) * 1996-07-23 1998-04-21 Berndorf Band Gmbh Device for cutting off circular plate from thin plate and welding it
TW200831677A (en) * 2006-11-28 2008-08-01 Mitsubishi Heavy Ind Ltd Restoration method for deteriorated part and restoration apparatus for deteriorated part
EP2264391A1 (en) * 2009-06-20 2010-12-22 TMT Tapping-Measuring-Technology GmbH Tap hole plugging gun for metallurgical ovens
KR101107129B1 (en) * 2011-10-13 2012-01-31 금아파이프(주) Marking method of welded part of electric resistance welded steel pipe
US20120160811A1 (en) * 2010-12-23 2012-06-28 Randel Brandstrom Apparatus for Applying Wear Coating in Conduit Elbows
CN203471334U (en) * 2013-08-01 2014-03-12 诺斯石油工具(天津)有限公司 Welding device for screen pipe protective sleeve
CN203817701U (en) * 2014-02-18 2014-09-10 郑州万达管件制造有限公司 Convenient pipeline construction welding orifice corrector
JP2014188575A (en) * 2013-03-28 2014-10-06 F Tech Inc Welding device
CN203956378U (en) * 2014-01-20 2014-11-26 温州市百泰不锈钢管制造有限公司 Steel pipe electric welding machine
CN204366244U (en) * 2014-12-11 2015-06-03 云南昆钢新型复合材料开发有限公司 The outer composite tube welding device of a kind of stainless steel
CN204747919U (en) * 2015-06-26 2015-11-11 廊坊市管道人机械设备有限公司 Mouth of pipe group is to device
TWM517654U (en) * 2015-12-01 2016-02-21 Lai Bing Wei Protective device for welding of pipe
CN205967936U (en) * 2016-08-26 2017-02-22 合肥市富华精密机械制造有限公司 Weld fixture apparatu of square pipe
CN206420793U (en) * 2017-01-21 2017-08-18 温州宏泰无损检测有限公司 A kind of pipe welding seam X-ray digitizes the cannot-harm-detection device
CN207171474U (en) * 2017-09-14 2018-04-03 中国葛洲坝集团机电建设有限公司 A kind of penstock weld seam automatically levelling welder

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828897C (en) * 1949-02-04 1952-01-21 Siemens Schuckertwerke A G Process for arc seam welding of butt joints in metal sheets, pipes, containers or the like.
GB682016A (en) * 1950-04-04 1952-11-05 Gen Electric Co Ltd Improvements in or relating to electric cables
JPH05104272A (en) * 1991-10-09 1993-04-27 Nisshin Steel Co Ltd Welding equipment for manufacturing pipe
JPH0570776U (en) * 1992-02-28 1993-09-24 住友金属工業株式会社 Pipe joining device
JPH05277559A (en) * 1992-03-27 1993-10-26 Nisshin Steel Co Ltd Correcting method for welded metallic tube
JPH07314186A (en) * 1994-05-25 1995-12-05 Oobayashi Doro Kk Strain relieving device of butt weld zone of pipe
JPH10100032A (en) * 1996-07-23 1998-04-21 Berndorf Band Gmbh Device for cutting off circular plate from thin plate and welding it
TW200831677A (en) * 2006-11-28 2008-08-01 Mitsubishi Heavy Ind Ltd Restoration method for deteriorated part and restoration apparatus for deteriorated part
EP2264391A1 (en) * 2009-06-20 2010-12-22 TMT Tapping-Measuring-Technology GmbH Tap hole plugging gun for metallurgical ovens
US20120160811A1 (en) * 2010-12-23 2012-06-28 Randel Brandstrom Apparatus for Applying Wear Coating in Conduit Elbows
KR101107129B1 (en) * 2011-10-13 2012-01-31 금아파이프(주) Marking method of welded part of electric resistance welded steel pipe
JP2014188575A (en) * 2013-03-28 2014-10-06 F Tech Inc Welding device
CN203471334U (en) * 2013-08-01 2014-03-12 诺斯石油工具(天津)有限公司 Welding device for screen pipe protective sleeve
CN203956378U (en) * 2014-01-20 2014-11-26 温州市百泰不锈钢管制造有限公司 Steel pipe electric welding machine
CN203817701U (en) * 2014-02-18 2014-09-10 郑州万达管件制造有限公司 Convenient pipeline construction welding orifice corrector
CN204366244U (en) * 2014-12-11 2015-06-03 云南昆钢新型复合材料开发有限公司 The outer composite tube welding device of a kind of stainless steel
CN204747919U (en) * 2015-06-26 2015-11-11 廊坊市管道人机械设备有限公司 Mouth of pipe group is to device
TWM517654U (en) * 2015-12-01 2016-02-21 Lai Bing Wei Protective device for welding of pipe
CN205967936U (en) * 2016-08-26 2017-02-22 合肥市富华精密机械制造有限公司 Weld fixture apparatu of square pipe
CN206420793U (en) * 2017-01-21 2017-08-18 温州宏泰无损检测有限公司 A kind of pipe welding seam X-ray digitizes the cannot-harm-detection device
CN207171474U (en) * 2017-09-14 2018-04-03 中国葛洲坝集团机电建设有限公司 A kind of penstock weld seam automatically levelling welder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈宏等: "中径管环缝焊接定心内撑工装设计", vol. 38, no. 38, pages 60 - 63 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115770801A (en) * 2021-09-07 2023-03-10 中集安瑞醇科技股份有限公司 Cylinder weld seam leveling machine
CN115818932A (en) * 2022-11-21 2023-03-21 宁波云德半导体材料有限公司 Rotary friction welding device and method for quartz workpieces
CN118492539A (en) * 2024-07-18 2024-08-16 深圳市艾贝特电子科技有限公司 Welding device for welding inner side weld joint

Also Published As

Publication number Publication date
CN107470909B (en) 2023-08-08

Similar Documents

Publication Publication Date Title
CN107470909A (en) A kind of penstock weld seam automatically levelling welder and welding method
CN207509732U (en) A kind of pvc pipe production reducing pipe-expanding machine
EA026275B1 (en) Welding apparatus for welding pipes, method for welding pipes and pipe clamp for welding apparatus
CN105562906B (en) Pipe straight seam welding frock and pipe straight seam welding deformation control method
WO2021073558A1 (en) Device for heating pipe to be welded, and welding device and method
CN207171474U (en) A kind of penstock weld seam automatically levelling welder
CN111001976A (en) Opening aligning device for large-diameter thin-wall pipeline and using method thereof
CN106181142A (en) Steel-pipe welding device
CN102430847B (en) Automatic welding fixture for longitudinal seam welding of small-diameter thick-walled tube blanks
CN107838692A (en) A kind of cross beam clamping mechanism for Heavy Traverse lifting Longmen machine tool
CN216576259U (en) Welding gun conveying device of double-gun automatic welding machine
CN210524326U (en) Thin-wall cylinder welding seam butt joint adjusting tool
CN116652477B (en) Omnibearing seamless automatic welder for heat exchanger processing and welding method thereof
CN109570759B (en) Thin-wall cylinder longitudinal seam laser welding flexible holding device and weld extrusion force control method
CN217291172U (en) Steel pipeline butt joint adjusting device
CN110842464A (en) Thin pipe welding device
CN211219468U (en) Thin pipe welding device
CN210358624U (en) An efficient machining fixture
CN112278185B (en) Reinforcing ring installation device and reinforcing ring installation method
CN115870682A (en) Water collecting and distributing device welding device
KR101686739B1 (en) Metal pipe connecting equipment by using heating and pressing
CN207953003U (en) A kind of automatic flux pad
CN209598477U (en) A kind of pipe bend drive rotating device and pipe bend welding system
CN108237344A (en) A kind of modified welder
CN107617659A (en) Large-scale pad full-automatic winding machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20181116

Address after: 430033 Gezhouba Building, 558 Jiefang Avenue, Qiekou District, Wuhan City, Hubei Province

Applicant after: CHINA GEZHOUBA GROUP Co.,Ltd.

Address before: 610091 15 blocks, N District, 239 Guangfu Road, Qingyang District, Chengdu City, Sichuan Province

Applicant before: CHINA GEZHOUBA GROUP MECHANICAL & ELECTRICAL CONSTRUCTION Co.,Ltd.

GR01 Patent grant
GR01 Patent grant