CN106312345B - It is a kind of to apply prestressed device - Google Patents
It is a kind of to apply prestressed device Download PDFInfo
- Publication number
- CN106312345B CN106312345B CN201610835888.XA CN201610835888A CN106312345B CN 106312345 B CN106312345 B CN 106312345B CN 201610835888 A CN201610835888 A CN 201610835888A CN 106312345 B CN106312345 B CN 106312345B
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- China
- Prior art keywords
- ring
- guide
- mold
- localization axis
- ring mold
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- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003252 repetitive effect Effects 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention discloses a kind of prestressed device of application, including：Upper press ring mold, lower apical ring mold, ring flange support ring, platen, force measuring machine on ring flange, wherein, upper press ring mold is installed on adapter ring, adapter ring is installed on workbench, the lower apical ring mold of the mechanism is installed on guide-localization axis outer shaft, ring flange support plate is embedded in lower apical ring mold and is installed in the inner shaft of guide-localization axis, and platen passes through fixing bolt supported flange on ring flange.Prestressing force upper press ring mold compresses the shell for wanting welded flange with lower apical ring mold；Pushing up the rising of guide-localization axis by hydraulic cylinder makes lower backform tool eject certain deformation on shell；Force measuring machine is installed on cylinder lower to measure and show pressure applied.Technical solution using the present invention may be implemented to apply certain prestressing force deformation on weld seam periphery before welding, to offset the welding stress generated in the welding process and deformation.
Description
Technical field
Applying prestressed device the present invention relates to a kind of, more particularly to one kind welding circle on thin-walled semicircular shell
Apply prestressed mechanism arrangement on weld seam periphery when ring flange.
Background technology
Welded flange is very universal on thin-wall semi shape shell, especially in some nacelles or holding vessel.
But welded flange will produce prodigious welding stress and welding deformation on thin-wall case, this can substantially reduce the finished product of device
Rate and service life.
Invention content
In view of the problems in above-mentioned welding, applying prestressed device, Ke Yishi the purpose of the present invention is to provide a kind of
Now apply certain prestressing force deformation on weld seam periphery before welding, to offset the welding stress generated in the welding process and change
Shape.
To achieve the above object, the present invention uses following technical scheme：
It is a kind of to apply prestressed device and include：Upper press ring mold, lower apical ring mold, ring flange support ring, on ring flange
Platen, force measuring machine, wherein
The upper press ring mold is fixed fixed ring in a manner of withholding, and the fixed ring is bolted
On adapter ring, the adapter ring is to be bolted on workbench；
The lower apical ring mold is installed on guide-localization axis outer shaft, and ring flange support ring is embedded in lower apical ring mold and pacifies
Loaded in guide-localization axis inner shaft, platen on ring flange is set to compress loop method by axis connection in fixing bolt and guide-localization axis
Orchid makes annular flange fix；The upper press ring mold compresses the hemispherical shell that weld annular flange with lower apical ring mold；
Guide-localization axis outer shaft is pushed up by hydraulic cylinder with guide-localization axis inner shaft simultaneously to rise, and makes the lower apical ring mould
Tool ejects certain tip-tilted deformation on hemispherical shell；By the mechanism of fine-tuning nut up and down of guide-localization axis inner shaft come
It adjusts the guide-localization axis inner shaft to move up and down in guide-localization axis outer shaft, makes the ring flange support ring under described
It is moved up and down in apical ring mold to adjust the position of annular flange；
Force measuring machine is installed on cylinder lower to measure and show pressure applied.
Preferably, the adapter ring is the upper press ring mold for different-diameter size of transferring to weld different sizes
Flange.
Preferably, the ring flange support ring is embedded in lower apical ring mold, and ring flange support ring can be opposite
Lower apical ring mold slides up and down.
Preferably, the prestressed applying mode is upper depression mode, i.e., upper press ring mold is fixed to adapter ring
On, upper press ring mold pushes down the hemispherical shell to be welded, and lower apical ring mold, which moves up, is wanting welding position ejection certain pre-
Deformation.
Preferably, the guide-localization axis outer shaft and the movement relation of guide-localization axis inner shaft are：Outside guide-localization axis
Guide-localization axis inner shaft can together move up and down with guide-localization axis outer shaft when axis moves up and down；Rotate guide-localization axis inner shaft
Guide-localization axis outer shaft remains stationary as when upper and lower micro-adjustment nut body, and guide-localization axis inner shaft can move up and down.
Advantages of the present invention and advantageous effect are：The present invention can effectively solve welding flange on hemispherical thin-wall case
Post-weld stress and problem on deformation, structure of the invention is compact, and principle is simple, and can be directed to different-diameter size flange side
Just the repetitive positioning accuracy that different molds can fully ensure that clamping workpiece is replaced, and expected design effect, component can be reached
Simply to reduce the maintenance cost of equipment.
Description of the drawings
Fig. 1 pre-tightens force mechanisms explosive view；
Fig. 2 pretightning force principle installation diagrams；
Fig. 3 pretightning force principles assemble Local map；
Fig. 4 pre-tightens installation diagram of the force mechanisms in tooling.
Specific implementation mode
To make the purpose of the present invention, technical solution and advantage are clearer, the implementation below in conjunction with attached drawing to the present invention
Mode is described in further detail.
As shown in Figures 1 to 4, a kind of prestressed device of application of offer of the embodiment of the present invention includes：Upper press ring mold 4, under
Apical ring mold 8, ring flange support ring 9, platen 6, force measuring machine 14 on ring flange, wherein
The upper press ring mold 4 is fixed fixed ring 3 in a manner of withholding, and the fixed ring 3 is solid by bolt
Determine onto adapter ring 2, the adapter ring 2 is to be bolted on workbench 1.It is fixed that the lower apical ring mold 8 is installed on guiding
On position axis outer shaft 11, ring flange support ring 9 is embedded in lower apical ring mold 8 and is installed in guide-localization axis inner shaft 10, by solid
Determine bolt 7 and connect with guide-localization axis inner shaft 10 platen 6 is made on ring flange to compress annular flange 5.The ring flange support ring 9 with
On the ring flange mode fixation annular flange 5 to be welded is pressed on 6 times tops of platen.The upper press ring mold 4 and lower apical ring mould
Tool 8 compresses the hemispherical shell 15 that weld annular flange 5.It is pushed up guide-localization axis outer shaft 11 by hydraulic cylinder 13 and is oriented to
Locating shaft inner shaft 10 rises simultaneously, and the lower apical ring mold 8 is made to eject certain tip-tilted deformation on hemispherical shell 15.
The guide-localization axis inner shaft 10 is adjusted by the mechanism of fine-tuning nut up and down 12 of guide-localization axis inner shaft 10 in guide-localization
It is moved up and down in axis outer shaft 11, the ring flange support ring 9 is made to be moved up and down in the lower apical ring mold to adjust annular
The position of flange 5 is so as to welding process requirement.Force measuring machine 14 is installed on 13 lower part of hydraulic cylinder and is applied with measuring and showing
Pressure.
The adapter ring 2 is the upper press ring mold 4 for different-diameter size of transferring to weld different size flanges.
Lower apical ring mold 8 and always complete use all of ring flange support ring 9 are conveniently replaceable with bolt fixing method.Institute
Lower apical ring mold 8 is stated fixed on guide-localization axis outer shaft 11, the ring flange support ring 9 is fixed to guide-localization axis inner shaft 10
On.The ring flange support ring 9 is embedded in lower apical ring mold 8, and ring flange support ring 9 can descend apical ring mold 8 relatively
It slides up and down.
Upper press ring mold 4 is fixed on adapter ring 2, and upper press ring mold pushes down the hemispherical shell 15 to be welded, and it is fixed to be oriented to
Position axis outer shaft 11, which moves up apical ring mold 8 under drive under Hydraulic Cylinder and moves up, is wanting welding position ejection certain pre-
Deformation.
Ring flange support ring 9 and platen on the ring flange press the mode fixation annular flange 5 to be welded on 6 times tops.It is logical
The mechanism of fine-tuning nut up and down 12 of guide-localization axis inner shaft 10 is crossed to adjust the guide-localization axis inner shaft 10 in guide-localization axis
It is moved up and down in outer shaft 11, the ring flange support ring 9 is made to be moved up and down in the lower apical ring mold to adjust loop method
The position of orchid 5.
The guide-localization axis outer shaft 11 and the movement relation of guide-localization axis inner shaft 10 are：On guide-localization axis outer shaft 11
Guide-localization axis inner shaft 10 can together move up and down with guide-localization axis outer shaft 11 when lower movement；Rotate guide-localization axis inner shaft 10
The nut body 12 of micro-adjustment up and down when guide-localization axis outer shaft 11 remain stationary as, guide-localization axis inner shaft 10 can move up and down.
Hydraulic cylinder 13 can be rotated by 90 ° with fulcrum A, be adjusted to the position of workpiece with adapting to dedicated positioner
It is whole.
The present invention does not have exclusive use condition, must have dedicated positioner to be used for adjusting the position for wanting welding workpiece and its
Cooperation, this prestressing force augmentor need to be installed to the effect of its pre-applied force of competence exertion in specific tooling
The foregoing is merely the most preferred embodiments of this patent, other should all belong to this with the equivalence changes of patent of the present invention
Patent of invention range.
Claims (5)
1. a kind of applying prestressed device, which is characterized in that including：Upper press ring mold, lower apical ring mold, ring flange support
Platen, force measuring machine on ring, ring flange, wherein
The upper press ring mold is fixed fixed ring in a manner of withholding, and the fixed ring is bolted switching
On ring, the adapter ring is to be bolted on workbench；
The lower apical ring mold is installed on guide-localization axis outer shaft, and ring flange support ring is embedded in lower apical ring mold and is installed on
In guide-localization axis inner shaft, platen compression annular flange on ring flange is set to make by fixing bolt and axis connection in guide-localization axis
Annular flange is fixed；The upper press ring mold compresses the hemispherical shell that weld annular flange with lower apical ring mold；
Guide-localization axis outer shaft is pushed up by hydraulic cylinder with guide-localization axis inner shaft simultaneously to rise, and the lower apical ring mold is made to exist
Certain tip-tilted deformation is ejected on hemispherical shell；It is adjusted by the mechanism of fine-tuning nut up and down of guide-localization axis inner shaft
The guide-localization axis inner shaft moves up and down in guide-localization axis outer shaft, makes the ring flange support ring in the lower apical ring
It is moved up and down in mold to adjust the position of annular flange；
Force measuring machine is installed on cylinder lower to measure and show pressure applied.
2. applying prestressed device as described in claim 1, which is characterized in that the adapter ring is different straight for transferring
The upper press ring mold of diameter size is to weld different size flanges.
3. applying prestressed device as described in claim 1, which is characterized in that the ring flange support ring is embedded in lower top
In ring moulds tool, and ring flange support ring can descend apical ring mold to slide up and down relatively.
4. applying prestressed device as described in claim 1, which is characterized in that the prestressed applying mode is upper pressure
Lower top mode, i.e. upper press ring mold are fixed on adapter ring, and upper press ring mold pushes down the hemispherical shell to be welded, lower apical ring mould
Tool, which moves up, is wanting welding position to eject certain predeformation.
5. applying prestressed device as described in claim 1, which is characterized in that the guide-localization axis outer shaft is fixed with guiding
Position axis inner shaft movement relation be：Guide-localization axis inner shaft can be the same as guide-localization axis outer shaft when guide-localization axis outer shaft moves up and down
It moves up and down together；Guide-localization axis outer shaft remains stationary as when rotating the nut body of micro-adjustment up and down of guide-localization axis inner shaft,
Guide-localization axis inner shaft can move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835888.XA CN106312345B (en) | 2016-09-20 | 2016-09-20 | It is a kind of to apply prestressed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835888.XA CN106312345B (en) | 2016-09-20 | 2016-09-20 | It is a kind of to apply prestressed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106312345A CN106312345A (en) | 2017-01-11 |
| CN106312345B true CN106312345B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835888.XA Active CN106312345B (en) | 2016-09-20 | 2016-09-20 | It is a kind of to apply prestressed device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106312345B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113634975B (en) * | 2021-10-15 | 2022-01-11 | 徐州华恒机器人***有限公司 | Tower crane main chord member predeformation welding frock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2315413Y (en) * | 1997-12-30 | 1999-04-21 | 机械工业部沈阳仪器仪表工艺研究所 | Welding and correcting device for joint pipe flange |
| CN201592328U (en) * | 2009-11-16 | 2010-09-29 | 国营红阳机械厂 | Thin-walled cylinder-shaped piece circumferential seam adjustable supporting device |
| CN201596840U (en) * | 2009-09-23 | 2010-10-06 | 中国航天科技集团公司长征机械厂 | Tooling structure for limiting aluminium alloy thin-wall ball body and flange welding deformation |
| CN202188929U (en) * | 2011-08-02 | 2012-04-11 | 山西潞安环保能源开发股份有限公司 | Prestressed anchor bolt device used in similitude simulation experiment |
| CN203484835U (en) * | 2013-09-16 | 2014-03-19 | 无锡市派克重型铸锻有限公司 | Tool structure capable of preventing large-size flange from deformation in welding |
| CN204295378U (en) * | 2014-12-15 | 2015-04-29 | 上海马拉松·革新电气有限公司 | A kind of expander positioner for electric generator casing processing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206565A (en) * | 1984-03-30 | 1985-10-18 | Kawasaki Steel Corp | Welding method of welded flange inserted to pipe |
| KR20150142752A (en) * | 2014-06-11 | 2015-12-23 | 삼성중공업 주식회사 | Jig for preventing thermal deformation |
-
2016
- 2016-09-20 CN CN201610835888.XA patent/CN106312345B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2315413Y (en) * | 1997-12-30 | 1999-04-21 | 机械工业部沈阳仪器仪表工艺研究所 | Welding and correcting device for joint pipe flange |
| CN201596840U (en) * | 2009-09-23 | 2010-10-06 | 中国航天科技集团公司长征机械厂 | Tooling structure for limiting aluminium alloy thin-wall ball body and flange welding deformation |
| CN201592328U (en) * | 2009-11-16 | 2010-09-29 | 国营红阳机械厂 | Thin-walled cylinder-shaped piece circumferential seam adjustable supporting device |
| CN202188929U (en) * | 2011-08-02 | 2012-04-11 | 山西潞安环保能源开发股份有限公司 | Prestressed anchor bolt device used in similitude simulation experiment |
| CN203484835U (en) * | 2013-09-16 | 2014-03-19 | 无锡市派克重型铸锻有限公司 | Tool structure capable of preventing large-size flange from deformation in welding |
| CN204295378U (en) * | 2014-12-15 | 2015-04-29 | 上海马拉松·革新电气有限公司 | A kind of expander positioner for electric generator casing processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106312345A (en) | 2017-01-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170111 Assignee: Beijing Beigong University Science Park Co.,Ltd. Assignor: Beijing University of Technology Contract record no.: X2024980001854 Denomination of invention: A device for applying prestress Granted publication date: 20181012 License type: Common License Record date: 20240201 |