CN104097020B - A kind of internal clamp head for multiple tube construction - Google Patents
A kind of internal clamp head for multiple tube construction Download PDFInfo
- Publication number
- CN104097020B CN104097020B CN201410343184.1A CN201410343184A CN104097020B CN 104097020 B CN104097020 B CN 104097020B CN 201410343184 A CN201410343184 A CN 201410343184A CN 104097020 B CN104097020 B CN 104097020B
- Authority
- CN
- China
- Prior art keywords
- air bag
- pipeline
- plate
- clamp head
- push 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.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Internal pipe alignment clamps
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
The present invention relates to pipeline construction equipment, propose a kind of internal clamp head for multiple tube construction, be mainly applicable to the butt welding in the multiple tube construction of inner liner.Described internal clamp head arranges two air bag pallets and arrange air bag on air bag pallet, under compressed air effect, two air bags respectively tensioner are attached on the inwall in 2-section pipe road, the cavity that one is held protective gas is jointly formed with two described pallets, thus the cavity that is held protective gas is formed at the butt welding place of pipeline, ensure that the butt welding of pipeline carries out under protective gas, some pressure compensation openings are set, can with the carrying out of welding, when the pressure of confined gas increases gradually, the balance of the gas pressure of docking weld is ensured by pressure compensation opening, do not affect seal welding.
Description
Technical field
The present invention relates to pipeline construction equipment, propose a kind of internal clamp head for multiple tube construction, for the counterpart in butt welding of pipelines, be mainly applicable to the butt welding in the multiple tube construction of inner liner.
Background technology
?have in the compound pipeline complex pipeline construction of stainless steel lining, between pipeline, welding carries out argon arc welding under ar gas environment protection.Require: to the docking weld needing two segment pipes welded, pass into argon arc welding protective gas, and ensure the substantially airtight state of docking weld; More and more less with weld bond, the pressure of confined gas can increase gradually, requires the balance of the gas pressure ensureing docking weld, does not affect seal welding.
Summary of the invention
In order to adapt to the needs of the compound pipeline complex pipeline construction with stainless steel lining, the present invention proposes a kind of internal clamp head for multiple tube construction.
The technical solution used in the present invention is: a kind of internal clamp head for multiple tube construction, described internal clamp head is provided with two groups of push rods, often organizing described push rod is be uniformly distributed along the circumference multiple, and the push rod described in two groups is symmetricly set on the both sides that Pipeline butt meets place; And the cylinder and the fairlead that make described push rod knee-action are set; Described push rod is connected with briquetting; There are symmetrically arranged two air bag pallets and two described air bag pallets lay respectively at the both sides that Pipeline butt meets place; Have the air bag that the outer diameter face around air bag pallet is arranged, described air bag is cavity structure and the cavity of air bag is communicated with compressed-air actuated air flue; Air bag described in two is under compressed air effect, tensioner is attached on the inwall in 2-section pipe road respectively, jointly form with two described air bag pallets the cavity that is held protective gas, thus form the cavity that is held protective gas at the butt welding place of pipeline; Correspondingly with the butt welding place of pipeline location-plate is provided with between the air bag pallet described in two, the inner chamber that described location-plate has is communicated with protective gas source by air flue, the outer diameter face of described location-plate has some protective gas ventholes along location-plate circle distribution, the described venthole on location-plate is corresponding with the butt welding place of pipeline; Be provided with some pressure compensation openings, described pressure compensation opening is positioned on the disk body of two described air bag pallets, the cavity connects that described pressure compensation opening and two described air bag pallets, air bags are formed corresponding pressure balance pipe arranges blocking.
A kind of internal clamp head for multiple tube construction, the outer diameter face of described location-plate has the baffle plate of annular, described baffle plate outer face has the annular groove of gather qi together, the pore that described baffle plate has is communicated with the described venthole on location-plate, and the pore of described baffle plate is positioned at the bottom surface of gather qi together annular groove.
For an internal clamp head for multiple tube construction, described push rod is L shape, and orthogonal two faces of push rod are cuboid.
For an internal clamp head for multiple tube construction, the outer diameter face of described air bag pallet has groove, and the groove ring week in air bag pallet outer diameter face is arranged, and described air bag is positioned at the groove in air bag pallet outer diameter face.
A kind of internal clamp head for multiple tube construction that the present invention proposes, two air bag pallets are set and air bag is set on air bag pallet, under compressed air effect, two air bags respectively tensioner are attached on the inwall in 2-section pipe road, an airtight cavity is jointly formed with two described pallets, thus an airtight cavity is formed at the butt welding place of pipeline, ensure that the butt welding of pipeline carries out under protective gas, some pressure compensation openings are set, can with the carrying out of welding, when the pressure of confined gas increases gradually, the balance of the gas pressure of docking weld is ensured by pressure compensation opening, do not affect seal welding.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
Fig. 2 is the structural representation of air bag pallet in the present invention.
Fig. 3 is the A-A profile of Fig. 2.
Fig. 4 is the structural representation of push rod in the present invention.
Fig. 5 is the side view of Fig. 4.
In figure: 1, cylinder bottom, 2, piston, 3, cylinder barrel, 4, cylinder cap, 5, fairlead, 6, cylinder cap, 7, air bag pallet, 8, distribution plate, 9, push rod, 10, baffle plate, 11, air bag, 12, connecting rod, 13, location-plate, 14, pressure compensation opening.
Detailed description of the invention
With specific embodiment, the present invention is illustrated by reference to the accompanying drawings, but the present invention is not limited to these examples.
As shown in Figure 1, a kind of internal clamp head for multiple tube construction, described internal clamp head has symmetrically arranged two air bag pallets 7 and two described air bag pallets lay respectively at the both sides that Pipeline butt meets place; Have the air bag 11 that the outer diameter face around air bag pallet is arranged, described air bag 11 is cavity structure and the cavity of air bag is communicated with compressed-air actuated air flue; Air bag 11 described in two is under compressed air effect, tensioner is attached on the inwall in 2-section pipe road respectively, jointly form the cavity that is held protective gas with two described air bag pallets 7, thus form the cavity that is held protective gas at the butt welding place of pipeline; In this embodiment, the outer diameter face of described air bag pallet 7 has groove, and the groove ring week in air bag pallet outer diameter face is arranged, and described air bag is positioned at the groove in air bag pallet outer diameter face, and is connected with air bag pallet 7 by connector; Air bag pallet 7 has compressed air inlet, and compressed air inlet is by the cavity connects of the air flue on connector and air bag; Between the air bag pallet described in two, correspondingly with the docking weld of pipeline be provided with location-plate 13, the inner chamber that described location-plate 13 has is communicated with protective gas source by air flue; The outer diameter face of described location-plate 13 have some protective gas ventholes along location-plate 13 circle distribution; The outer diameter face of described location-plate 13 has the baffle plate 10 of annular, the outer face of described baffle plate 10 has gather qi together annular groove, the pore that described baffle plate has is communicated with the described venthole on location-plate 13, and the pore of described baffle plate 10 is positioned at the bottom surface of gather qi together annular groove; Be provided with some pressure compensation openings 14, described pressure compensation opening 14 is positioned on the disk body of two described air bag pallets, and the closed cavity that described pressure compensation opening 14 and two described air bag pallets, air bags are formed is communicated with and corresponding pressure balance pipe arranges blocking.Be provided with two groups of push rods 9, often organize described push rod 9 multiple for what be uniformly distributed along the circumference, the push rod described in two groups is between the air bag pallet 7 described in two, and the push rod namely described in two groups is symmetricly set on the both sides that Pipeline butt meets place; Each described push rod 9 is all connected with corresponding fairlead 5 by connecting rod 12, arranges and acts on fairlead 5 and the cylinder making described push rod 9 knee-action; Described push rod 9 is connected with briquetting, the described briquetting stretching on push rod 9 on the inwall of pipeline, in order to ensure the concentric of two mouths of pipe.Composition graphs 4, Fig. 5, described push rod 9 be L shape, orthogonal two faces of push rod 9 are cuboid.The planform design of push rod 9, can reduce two groups of distances between push rod and the mouth of pipe, even if two groups of push rods can be arranged on apart from the very near position of the mouth of pipe, and push rod is nearer apart from the mouth of pipe, and the effect of the school circle of line up is better; Corresponding each push rod 9 is provided with distribution plate 8, the chute that distribution plate 8 has, in order to ensure moving up and down of push rod 9.Composition graphs 2, Fig. 3, the disk body of described air bag pallet 7 have some axially extending bores, described axially extending bore is pressure compensation opening 14, the cavity connects that described pressure compensation opening 14 and two described air bag pallets 7, air bags 11 are formed, corresponding each pressure compensation opening 14 is provided with blocking, with the carrying out of welding, when the pressure of confined gas increases gradually, remove the blocking on pressure compensation opening 14, release a part of gas, ensure the balance of the gas pressure of docking weld.
Claims (4)
1., for an internal clamp head for multiple tube construction, described internal clamp head is provided with two groups of push rods (9), and often organize described push rod (9) multiple for what be uniformly distributed along the circumference, the push rod described in two groups is symmetricly set on the both sides that Pipeline butt meets place; And the cylinder and the fairlead (5) that make described push rod (9) knee-action are set; (9) are connected with briquetting with described push rod; It is characterized in that: there are symmetrically arranged two air bag pallets (7) and two described air bag pallets lay respectively at the both sides that Pipeline butt meets place; There is the air bag (11) that the outer diameter face around air bag pallet is arranged, described air bag (11) for cavity structure and the cavity of air bag be communicated with compressed-air actuated air flue; Two described air bags are under compressed air effect, tensioner is attached on the inwall in 2-section pipe road respectively, jointly form the cavity that is held protective gas with two described air bag pallets (7), thus form the cavity that is held protective gas at the butt welding place of pipeline; Correspondingly with the butt welding place of pipeline location-plate (13) is provided with between the air bag pallet (7) described in two, the inner chamber that described location-plate has is communicated with protective gas source by air flue, the outer diameter face of described location-plate has some protective gas ventholes along location-plate circle distribution, the described venthole on location-plate (13) is corresponding with the butt welding place of pipeline; Be provided with some pressure compensation openings (14), described pressure compensation opening (14) is positioned on the disk body of two described air bag pallets, the cavity connects that described pressure compensation opening (14) and two described air bag pallets (7), air bag (11), inner-walls of duct are formed corresponding pressure balance pipe arranges blocking.
2. as claimed in claim 1 a kind of for multiple tube construction internal clamp head, it is characterized in that: the baffle plate (10) in the outer diameter face of described location-plate with annular, described baffle plate outer face has the annular groove of gather qi together, the pore that described baffle plate has is communicated with the described venthole on location-plate (13), and the pore of described baffle plate is positioned at the bottom surface of gather qi together annular groove.
3. as claimed in claim 1 a kind of for multiple tube construction internal clamp head, it is characterized in that: described push rod (9) is L shape, orthogonal two faces of push rod (9) are cuboid.
4. as claimed in claim 1 a kind of for multiple tube construction internal clamp head, it is characterized in that: the outer diameter face of described air bag pallet (7) has groove, groove ring week in air bag pallet outer diameter face is arranged, and described air bag (11) is positioned at the groove in air bag pallet outer diameter face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343184.1A CN104097020B (en) | 2014-07-18 | 2014-07-18 | A kind of internal clamp head for multiple tube construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343184.1A CN104097020B (en) | 2014-07-18 | 2014-07-18 | A kind of internal clamp head for multiple tube construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097020A CN104097020A (en) | 2014-10-15 |
| CN104097020B true CN104097020B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343184.1A Active CN104097020B (en) | 2014-07-18 | 2014-07-18 | A kind of internal clamp head for multiple tube construction |
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| CN (1) | CN104097020B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104339120B (en) * | 2014-10-31 | 2016-02-03 | 茂名重力石化机械制造有限公司 | The self-tightening type line-up clamp of rapid-cooling heat exchanger pipe splicing |
| CN105014246A (en) * | 2015-07-17 | 2015-11-04 | 西安航空动力股份有限公司 | Welding clamp for special-shape thin-wall taper pipe |
| CN106392451B (en) * | 2016-10-19 | 2018-04-10 | 首都航天机械公司 | A kind of inner support positioner for the welding of carrier rocket tank circular seam of flange |
| CN107803623B (en) * | 2017-10-26 | 2023-07-21 | 福州森百德机电科技有限公司 | Pipeline butt joint equipment and butt joint process thereof |
| CN110900025B (en) * | 2019-10-30 | 2021-04-23 | 中国化学工程第六建设有限公司 | Welding process of hydrogen sulfide resistant pipeline |
| CN114029688B (en) * | 2021-12-22 | 2024-09-24 | 无锡恒和环保科技有限公司 | Welding auxiliary fixture for baffle plate of SCR mixer |
| CN116967550B (en) * | 2023-09-20 | 2023-12-15 | 江苏亚兴泵阀科技有限公司 | Pump case welding equipment |
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| JP3525103B2 (en) * | 2000-09-01 | 2004-05-10 | 川崎重工業株式会社 | Inner tube seal structure for electron beam welding |
| CN2638907Y (en) * | 2003-07-23 | 2004-09-08 | 中国石油天然气管道局 | Pipeline internal shaping mouth fitting apparatus |
| CN2796928Y (en) * | 2005-06-27 | 2006-07-19 | 四川石油管理局 | Argon gas filling protection device for biphase stainless steel pipe line welding |
| CN201224009Y (en) * | 2008-05-15 | 2009-04-22 | 中国石油天然气集团公司 | Clearance adjusting mechanism for pipeline pneumatic inner aligning device |
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| CN203426607U (en) * | 2013-06-25 | 2014-02-12 | 洛阳德平机械设备有限公司 | Internal welding machine with embedded air pipes and wires |
| JP2014079772A (en) * | 2012-10-15 | 2014-05-08 | Mitsubishi Heavy Ind Ltd | Back sealing device |
| CN204262665U (en) * | 2014-07-18 | 2015-04-15 | 洛阳德平科技股份有限公司 | A kind of internal clamp head for multiple tube construction |
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- 2014-07-18 CN CN201410343184.1A patent/CN104097020B/en active Active
Patent Citations (9)
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| JP3525103B2 (en) * | 2000-09-01 | 2004-05-10 | 川崎重工業株式会社 | Inner tube seal structure for electron beam welding |
| CN2638907Y (en) * | 2003-07-23 | 2004-09-08 | 中国石油天然气管道局 | Pipeline internal shaping mouth fitting apparatus |
| CN2796928Y (en) * | 2005-06-27 | 2006-07-19 | 四川石油管理局 | Argon gas filling protection device for biphase stainless steel pipe line welding |
| CN201224009Y (en) * | 2008-05-15 | 2009-04-22 | 中国石油天然气集团公司 | Clearance adjusting mechanism for pipeline pneumatic inner aligning device |
| WO2013163016A3 (en) * | 2012-04-27 | 2014-01-09 | Michael Hacikyan | Inflatable purge dam apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104097020A (en) | 2014-10-15 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information |
Address after: High tech Development Zone, Sun Xin Road tuqiaogou village 471003 Henan city of Luoyang Province Applicant after: Deping, Luoyang Science and Technology Co., Ltd. Address before: High tech Development Zone, Sun Xin Road tuqiaogou village 471003 Henan city of Luoyang Province Applicant before: Luoyang Deping Mechanical Equipments Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: LUOYANG DEPING MECHANICAL EQUIPMENT CO., LTD. TO: LUOYANG DEPING TECHNOLOGY CO., LTD. |
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