CN104097020A - Internal aligning machine head for constructing composite pipes - Google Patents
Internal aligning machine head for constructing composite pipes Download PDFInfo
- Publication number
- CN104097020A CN104097020A CN201410343184.1A CN201410343184A CN104097020A CN 104097020 A CN104097020 A CN 104097020A CN 201410343184 A CN201410343184 A CN 201410343184A CN 104097020 A CN104097020 A CN 104097020A
- Authority
- CN
- China
- Prior art keywords
- air bag
- plate
- push rod
- location
- cavity
- 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
Links
- 239000002131 composite material Substances 0.000 title abstract 3
- 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
- 238000010276 construction Methods 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 18
- 238000003032 molecular docking Methods 0.000 description 6
- 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
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction 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 invention relates to equipment for constructing pipelines, and provides an internal aligning machine head for constructing composite pipes. The internal aligning machine head is mainly applicable to butt welding when the composite pipes with lining layers are constructed. The internal aligning machine head is provided with two air bag trays and a plurality of pressure balance holes. Air bags are arranged on the air bag trays. The internal aligning machine head has the advantages that the two air bags respectively cling to the inner walls of two pipelines in an expansion manner under the effect of compressed air, the two air bags and the two trays jointly form a cavity for accommodating protective gas, accordingly, a cavity for accommodating the protective gas is formed at a butt joint of the pipelines, and butt welding can be assuredly carried out on the pipelines in an environment with the protective gas; the balance of the pressure of the gas at the butt joint can be guaranteed by the aid of the pressure balance holes when the closing pressure of the gas is gradually increased during welding, and accordingly influence on seal welding can be prevented.
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 of 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 is to carry out argon arc welding under ar gas environment protection.Require: at the docking weld of two segment pipes to needs welding, 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 that ensures 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, push rod described in every group is be uniformly distributed along the circumference multiple, and the push rod described in two groups is symmetricly set on Pipeline butt and connects the both sides at place; And setting makes cylinder and the fairlead of described push rod knee-action; On described push rod, be connected with briquetting; There are the both sides that symmetrically arranged two air bag pallets and two described air bag pallets lay respectively at Pipeline butt and connect place; Have the air bag arranging around the outer diametric plane of air bag pallet, described air bag is that the cavity of cavity structure and 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, form a cavity that holds protective gas with two described air bag pallets are common, thereby form a cavity that holds protective gas at the butt welding place of pipeline; Between the air bag pallet described in two and with the corresponding location-plate that is provided with in butt welding place of pipeline, the inner chamber that described location-plate has is communicated with protective gas source by air flue, on the outer diametric plane of described location-plate, have 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, and the cavity that described pressure compensation opening forms with two described air bag pallets, air bag is communicated with and corresponding pressure balance pipe arranges obstruction.
A kind of internal clamp head for multiple tube construction, on the outer diametric plane of described location-plate, there is annular baffle plate, described baffle plate outer face has the annular groove that gather qi together is used, 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 shaped, and orthogonal two faces of push rod are cuboid.
For an internal clamp head for multiple tube construction, the external diameter mask of described air bag pallet is fluted, and the groove ring week on the outer diametric plane of air bag pallet arranges, and described air bag is positioned at the groove on the outer diametric plane of air bag pallet.
A kind of internal clamp head for multiple tube construction that the present invention proposes, two air bag pallets are set and on air bag pallet, air bag are set, under compressed air effect, two air bags respectively tensioner are attached on the inwall in 2-section pipe road, form an airtight cavity with two described pallets are common, thereby the butt welding place at pipeline forms an airtight cavity, the butt welding that ensures pipeline carries out under protective gas environment, some pressure compensation openings are set, can be with the carrying out of welding, when the pressure of confined gas increases gradually, ensure the balance of the gas pressure of docking weld by pressure compensation opening, do not affect seal welding.
Brief description of the drawings
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, still, 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 and lays respectively at Pipeline butt and connect the both sides at place; Have the air bag 11 arranging around the outer diametric plane of air bag pallet, described air bag 11 is that the cavity of cavity structure and 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, hold the cavity of protective gas with two one of common formations of described air bag pallet 7, thereby form a cavity that holds protective gas at the butt welding place of pipeline; In this embodiment, the external diameter mask of described air bag pallet 7 is fluted, and the groove ring week on the outer diametric plane of air bag pallet arranges, and described air bag is positioned at the groove on the outer diametric plane of air bag pallet, and is connected with air bag pallet 7 by connector; On air bag pallet 7, have compressed air inlet, compressed air inlet is communicated with the cavity of air bag by the air flue on connector; Between the air bag pallet described in two and with the corresponding location-plate 13 that is provided with of docking weld of pipeline, the inner chamber that described location-plate 13 has is communicated with protective gas source by air flue; On the outer diametric plane of described location-plate 13, there are some protective gas ventholes along location-plate 13 circle distribution; On the outer diametric plane of described location-plate 13, there is annular baffle plate 10, 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 forms with two described air bag pallets, air bag is communicated with and corresponding pressure balance pipe arranges obstruction.Be provided with two groups of push rods 9, push rod described in every group 9 is multiple for what be uniformly distributed along the circumference, and the push rod described in two groups is between the air bag pallet 7 described in two, and the push rod described in two groups is symmetricly set on Pipeline butt and connects the both sides at place; Each described push rod 9 is all connected with corresponding fairlead 5 by connecting rod 12, and the cylinder that acts on fairlead 5 and make described push rod 9 knee-actions is set; On described push rod 9, be connected with briquetting, the described briquetting stretching on push rod 9 is on the inwall of pipeline, in order to ensure the concentric of two mouths of pipe.In conjunction with Fig. 4, Fig. 5, described push rod 9 be L shaped, orthogonal two faces of push rod 9 are cuboid.The planform design of push rod 9, can reduce the distance between two groups of push rods and the mouth of pipe, even if two groups of push rods can be arranged on the position very near apart from 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, and the chute having on distribution plate 8, in order to ensure moving up and down of push rod 9.In conjunction with Fig. 2, Fig. 3, on the disk body of described air bag pallet 7, there are some axially extending bores, described axially extending bore is pressure compensation opening 14, described pressure compensation opening 14 is communicated with the cavity that two described air bag pallets 7, air bags 11 form, and corresponding each pressure compensation opening 14 is provided with obstruction, with the carrying out of welding, when the pressure of confined gas increases gradually, remove the obstruction on pressure compensation opening 14, emit 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 the push rod (9) described in every group is multiple for what be uniformly distributed along the circumference, and the push rod described in two groups is symmetricly set on Pipeline butt and connects the both sides at place; And setting makes cylinder and the fairlead (5) of described push rod (9) knee-action; Described push rod is connected with briquetting on (9); It is characterized in that: the both sides that there is symmetrically arranged two air bag pallets (7) and two described air bag pallets and lay respectively at Pipeline butt and connect place; Have the air bag (11) arranging around the outer diametric plane of air bag pallet, described air bag (11) is that the cavity of cavity structure and air bag is 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 a cavity that holds protective gas with two described air bag pallets (7), thereby form a cavity that holds protective gas at the butt welding place of pipeline; Between the air bag pallet (7) described in two and with the corresponding location-plate (13) that is provided with in butt welding place of pipeline, the inner chamber that described location-plate has is communicated with protective gas source by air flue, on the outer diametric plane of described location-plate, have some protective gas ventholes along location-plate circle distribution, the described venthole on location-plate (13) is with 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, and the closed cavity that described pressure compensation opening (14) forms with two described air bag pallets (7), air bag (11), inner-walls of duct is communicated with and corresponding pressure balance pipe arranges obstruction.
2. a kind of internal clamp head for multiple tube construction as claimed in claim 1, it is characterized in that: on the outer diametric plane of described location-plate, there is annular baffle plate (10), described baffle plate outer face has the annular groove that gather qi together is used, 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. a kind of internal clamp head for multiple tube construction as claimed in claim 1, is characterized in that: described push rod (9) is for L shaped, and orthogonal two faces of push rod (9) are cuboid.
4. a kind of internal clamp head for multiple tube construction as claimed in claim 1, it is characterized in that: the external diameter mask of described air bag pallet (7) is fluted, groove ring week on the outer diametric plane of air bag pallet arranges, and described air bag (11) is positioned at the groove on the outer diametric plane of air bag pallet.
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 true CN104097020A (en) | 2014-10-15 |
| CN104097020B CN104097020B (en) | 2015-11-18 |
Family
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104097020B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339120A (en) * | 2014-10-31 | 2015-02-11 | 茂名重力石化机械制造有限公司 | Self-tightened type aligner for aligning shock-cooling heat exchanger tube |
| 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 |
| CN106392451A (en) * | 2016-10-19 | 2017-02-15 | 首都航天机械公司 | Internal supporting positioning device for girth welding of flange plates of carrier rocket tanks |
| CN107803623A (en) * | 2017-10-26 | 2018-03-16 | 福州森百德机电科技有限公司 | Pipeline the service of connection devices and its butt-joint process |
| CN110900025A (en) * | 2019-10-30 | 2020-03-24 | 中国化学工程第六建设有限公司 | Welding process of hydrogen sulfide resistant pipeline |
| CN114029688A (en) * | 2021-12-22 | 2022-02-11 | 无锡恒和环保科技有限公司 | Welding auxiliary tool for baffle of SCR mixer |
| CN116967550A (en) * | 2023-09-20 | 2023-10-31 | 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 |
| CN103350308A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Copper lining tensioning method and copper lining tensioning mechanism for inner wall of pipeline |
| WO2013163016A2 (en) * | 2012-04-27 | 2013-10-31 | Michael Hacikyan | Inflatable purge dam apparatus |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2014-07-18 CN CN201410343184.1A patent/CN104097020B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2013163016A2 (en) * | 2012-04-27 | 2013-10-31 | Michael Hacikyan | Inflatable purge dam apparatus |
| JP2014079772A (en) * | 2012-10-15 | 2014-05-08 | Mitsubishi Heavy Ind Ltd | Back sealing device |
| CN103350308A (en) * | 2013-06-25 | 2013-10-16 | 洛阳德平机械设备有限公司 | Copper lining tensioning method and copper lining tensioning mechanism for inner wall of pipeline |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339120A (en) * | 2014-10-31 | 2015-02-11 | 茂名重力石化机械制造有限公司 | Self-tightened type aligner for aligning shock-cooling heat exchanger tube |
| 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 |
| CN106392451A (en) * | 2016-10-19 | 2017-02-15 | 首都航天机械公司 | Internal supporting positioning device for girth welding of flange plates of carrier rocket tanks |
| CN107803623A (en) * | 2017-10-26 | 2018-03-16 | 福州森百德机电科技有限公司 | Pipeline the service of connection devices and its butt-joint process |
| CN110900025A (en) * | 2019-10-30 | 2020-03-24 | 中国化学工程第六建设有限公司 | Welding process of hydrogen sulfide resistant pipeline |
| CN114029688A (en) * | 2021-12-22 | 2022-02-11 | 无锡恒和环保科技有限公司 | Welding auxiliary tool for baffle of SCR mixer |
| CN116967550A (en) * | 2023-09-20 | 2023-10-31 | 江苏亚兴泵阀科技有限公司 | Pump case welding equipment |
| CN116967550B (en) * | 2023-09-20 | 2023-12-15 | 江苏亚兴泵阀科技有限公司 | Pump case welding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104097020B (en) | 2015-11-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| 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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