CN109273242A - A kind of large-scale power transformer iron core technology for binding - Google Patents
A kind of large-scale power transformer iron core technology for binding Download PDFInfo
- Publication number
- CN109273242A CN109273242A CN201811345716.XA CN201811345716A CN109273242A CN 109273242 A CN109273242 A CN 109273242A CN 201811345716 A CN201811345716 A CN 201811345716A CN 109273242 A CN109273242 A CN 109273242A
- Authority
- CN
- China
- Prior art keywords
- bandage
- pet
- iron core
- baling press
- shaft
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- 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.)
- Withdrawn
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008092 positive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention relates to a kind of large-scale power transformer iron core technology for binding, belong to large-scale power transformer manufacturing technology field.Technical solution is: before clamper for iron core standing, adjusting bandage entire length by occlusion tightening device (2) in the middle part of bandage one (1) and bandage two (9), is allowed to be adapted with iron core (7) excircle；PET strip (4) comes out from PET baling press, and the shaft of bandage two (9) end is then passed through after the shaft of bandage one (1) end, returns to PET baling press, forms cyclic annular tightening structure；Then PET strip (4) are tensed using PET baling press, since PET strip (4) are using cyclic annular tightening structure, provides the double tightening force in baling press to bandage.The positive effect of the present invention: tightening force is big, and pulling force stable and uniform, easy to operate.Pulling force is big, length is adjustable, can not only meet the existing ± 1100kV change of current and sell of one's property product binding, additionally it is possible to meet the production of higher voltage grade, capacity.
Description
Technical field
The present invention relates to a kind of large-scale power transformer iron core technology for binding, belong to large-scale power transformer manufacturing technology neck
Domain.
Background technique
Large-scale power transformer iron core, for the integral strength for guaranteeing iron core, needs to use on core limb after the completion of closed assembly
The clamping devices such as hard-pressed bale band or metal fixture apply enough pressure to core limb, it is ensured that iron core integral strength, to meet iron core
It stands up on closed assembly platform, the intensity requirement of handling.Currently, prior art uses two kinds of clamping modes, a kind of metal fixture, one
Kind torque hard-pressed bale band.It the problems such as metal fixture pressing square formula, pressing force is big, but uneven there are pressing force, is suitable only for
Product of the core-diameter less than 1.4 meters.Torque hard-pressed bale strip length is adjustable, and the binding that can satisfy larger diameter iron core compresses, but
The problems such as to be that there are torque screw strokes longer, operation is not easy enough, meanwhile, fastening force size deviation is limited to torque spanner
Precision.
Summary of the invention
The object of the present invention is to provide a kind of large-scale power transformer iron core technology for binding, improve binding tightening force, improve
Even stretch tension degree improves binding efficiency, solves the above problem existing for background technique.
The technical scheme is that
A kind of large-scale power transformer iron core technology for binding, comprising steps are as follows:
1. being drawn from the bottom to top using bandage and carrying out multiple tracks binding to iron core, the bandage includes bandage one and bandage two, bandage one
One end be equipped with bandage end one, the other end is fixed on occlusion tightening device, and one end of bandage two is equipped with bandage end two, ties up
With two the other end penetrate occlusion tightening device, bandage one and bandage two by be engaged tightening device link together, whole structure
At bandage；The bandage end one is identical with the structure of bandage end two, includes becket frame and shaft, the side of becket frame
It is fixedly connected with the end of bandage one or bandage two, the other side of becket frame is equipped with shaft；
2. before clamper for iron core standing, adjusting bandage entire length by being engaged tightening device in the middle part of bandage one and bandage two, being allowed to and iron
Heart excircle is adapted；
3. PET strip comes out from PET baling press, it is then passed through the shaft of two end of bandage after the shaft in one end of bandage portion, returns to
PET baling press forms cyclic annular tightening structure；Then PET strip is tensed using PET baling press, since PET strip tenses knot using cyclic annular
Structure provides the double tightening force in baling press to bandage；After tensing bandage using PET baling press, PET baling press will be passed in and out
PET strip both ends bonding is secured.
The shaft of the becket frame is upturned, and shaft leaves iron core, in aerial state, ties up convenient for PET strip tension
Band.
The occlusion tightening device is equipped in ontology comprising occlusion mechanism and adjusting rod above and below ontology, deflecting roller, sawtooth
Occlusion mechanism above and below deflecting roller and sawtooth, occlusion mechanism is equipped with adjusting rod to sawtooth up and down, and adjusting rod stretches out outside ontology；Bandage
One is fixedly connected on the body, and bandage two enters ontology, around sawtooth occlusion mechanism up and down is entered after deflecting roller, is finally pierced by this
In vitro.
PET strip is bonded securely by PET baling press, and is cut off, bandage is made to keep tightening force.
Bandage is tensed from the bottom to top one by one by PET baling press.
According to the difference of core-diameter, bandage changes between being spaced in 160-210mm.
Guarantee iron core center pillar pressing force in 0.15~0.25MPa.
Occlusion tightening device and PET baling press of the present invention are equipment generally in the art available on the market.
The present invention uses PET baling press as power source, double tightening force output.By being engaged tightening device in the middle part of bandage
Realize that strap length is adjusted, bandage both ends are aerial pivot structure, for tensing.According to tightening force size, different iron cores are determined
Diameter bandage arrangement, it is ensured that pressure requirements.
The positive effect of the present invention: this technology for binding method tightens process, tightening force for large-sized transformer core assembly
Greatly, and pulling force stable and uniform, easy to operate.Pulling force is big, length is adjustable, can not only meet the existing ± 1100kV change of current and sell of one's property
Product binding, additionally it is possible to meet the production of higher voltage grade, capacity.
Detailed description of the invention
Fig. 1 is that the present invention uses schematic diagram；
Fig. 2 is that the present invention uses rear product schematic diagram；
Fig. 3 is bandage schematic diagram of the present invention；
Fig. 4 is bandage end structure schematic diagram of the present invention；
Fig. 5 is present invention occlusion tightening device structural schematic diagram；
In figure: bandage 1, occlusion tightening device 2, bandage end 1, PET strip 4, becket frame 5, shaft 6, iron core 7, iron core
Center pillar 8, bandage 29, bandage end 2 10, ontology 11, deflecting roller 12, sawtooth upper and lower occlusion mechanism 13, adjusting rod 14.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
A kind of large-scale power transformer iron core technology for binding, comprising steps are as follows:
1. being drawn from the bottom to top using bandage and carrying out multiple tracks binding to iron core 7, the bandage includes bandage 1 and bandage 29, bandage
One 1 one end is equipped with bandage end 1, and the other end is fixed on occlusion tightening device 2, and one end of bandage 29 is equipped with bandage end
First 2 10, the other end of bandage 29 penetrates occlusion tightening device 2, bandage 1 and bandage 29 and is connected by occlusion tightening device 2
Together, it is integrally formed bandage；The bandage end 1 is identical with the structure of bandage end 2 10, comprising becket frame 5 and turns
The side of axis 6, becket frame 5 is fixedly connected with the end of bandage 1 or bandage two, and the other side of becket frame 5 is equipped with shaft
6；
2. before clamper for iron core standing, bandage entire length is adjusted by bandage 1 and the middle part of bandage 29 occlusion tightening device 2, be allowed to
7 excircle of iron core is adapted；
3. PET strip 4 comes out from PET baling press, it is then passed through the shaft of 29 end of bandage after the shaft of one 1 end of bandage, returns
To PET baling press, cyclic annular tightening structure is formed；Then PET strip 4 is tensed using PET baling press, since PET strip 4 is drawn using cyclic annular
Locking structure provides the double tightening force in baling press to bandage；After tensing bandage using PET baling press, PET baling press will be passed in and out
4 both ends of PET strip bonding it is secured.
The shaft 6 of the becket frame 5 is upturned, and shaft 6 leaves iron core, in aerial state, tenses convenient for PET strip
Bandage.
The occlusion tightening device, comprising occlusion mechanism 13 and adjusting rod 14 above and below ontology 11, deflecting roller 12, sawtooth, originally
Deflecting roller 12 and sawtooth occlusion mechanism 13 up and down are equipped in body 11, occlusion mechanism 13 is equipped with adjusting rod 14 to sawtooth up and down, adjusts
Bar 14 stretches out 11 outside of ontology；Bandage 1 is fixedly connected on ontology 11, and bandage 29 enters ontology 11, around after deflecting roller 12
Occlusion mechanism 13 above and below into sawtooth, is finally pierced by outside ontology 11.
PET strip 4 is bonded securely by PET baling press, and is cut off, bandage is made to keep tightening force.
Bandage is tensed from the bottom to top one by one by PET baling press.
According to the difference of core-diameter, bandage changes between being spaced in 160-210mm.
Guarantee 8 pressing force of iron core center pillar in 0.15~0.25MPa.
After iron core 7 assembles, bandage is bound along perpendicular to core limb direction proportional spacing on iron core closed assembly platform, is tied up
Interband spacing is 160-210mm.Bandage application method: prepare two bandages, bandage 1 and bandage 29, one end of every bandage
It is equipped with bandage end, the other end of two bandages passes through occlusion tightening device from both direction respectively, passes through occlusion tightening dress
It sets two bandages of connection and adjusts bandage entire length, by moving adjusting rod 14, drive sawtooth about 13 occlusion mechanism up and down
It is engaged, the bandage 29 above and below sawtooth in occlusion mechanism 13 is tightened.
Then bandage is in place, i.e., the bandage end of two bandages is close to each other, but does not contact.Connected by PET strip 4
The bandage end for connecing two bandages, the shaft of the bandage other end is then passed through after the shaft of one end of bandage, is then beaten using PET
Chartered plane tenses PET strip and is bonded, and tenses from the bottom to top one by one.All back core is completed in binding to stand up.
Claims (5)
1. a kind of large-scale power transformer iron core technology for binding, it is characterised in that comprising steps are as follows:
1. being drawn from the bottom to top using bandage and carrying out multiple tracks binding to iron core (7), the bandage includes bandage one (1) and bandage two
(9), one end of bandage one (1) is equipped with bandage end one (3), and the other end is fixed in occlusion tightening device (2), bandage two (9)
One end be equipped with bandage end two (10), the other end of bandage two (9) penetrates occlusion tightening device (2), bandage one (1) and bandage
Two (9) are linked together by being engaged tightening device (2), are integrally formed bandage；The bandage end one (3) and bandage end two
(10) structure is identical, includes becket frame (5) and shaft (6), side and bandage one (1) or the bandage two of becket frame (5)
End be fixedly connected, the other side of becket frame (5) is equipped with shaft (6)；
2. before clamper for iron core standing, bandage entire length is adjusted by occlusion tightening device (2) in the middle part of bandage one (1) and bandage two (9),
It is allowed to be adapted with iron core (7) excircle；
3. PET strip (4) comes out from PET baling press, bandage two (9) end is then passed through after passing through the shaft of bandage one (1) end
Shaft returns to PET baling press, forms cyclic annular tightening structure；Then PET strip (4) are tensed using PET baling press, due to PET strip
(4) using cyclic annular tightening structure, the double tightening force in baling press is provided to bandage；It, will after tensing bandage using PET baling press
PET strip (4) the both ends bonding for passing in and out PET baling press is secured.
2. a kind of large-scale power transformer iron core technology for binding according to claim 1, it is characterised in that: beaten by PET
PET strip (4) are bonded securely by chartered plane, and are cut off, and bandage is made to keep tightening force.
3. a kind of large-scale power transformer iron core technology for binding according to claim 1, it is characterised in that: beaten by PET
Chartered plane tenses bandage from the bottom to top one by one.
4. a kind of large-scale power transformer iron core technology for binding according to claim 1, it is characterised in that: straight according to iron core
The difference of diameter, bandage change between being spaced in 160-210mm；Guarantee iron core center pillar (8) pressing force in 0.15~0.25MPa.
5. a kind of large-scale power transformer iron core technology for binding according to claim 1, it is characterised in that: the becket
The shaft (6) of frame (5) is upturned, and shaft (6) leaves iron core, in aerial state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345716.XA CN109273242A (en) | 2018-11-13 | 2018-11-13 | A kind of large-scale power transformer iron core technology for binding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345716.XA CN109273242A (en) | 2018-11-13 | 2018-11-13 | A kind of large-scale power transformer iron core technology for binding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109273242A true CN109273242A (en) | 2019-01-25 |
Family
ID=65193539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345716.XA Withdrawn CN109273242A (en) | 2018-11-13 | 2018-11-13 | A kind of large-scale power transformer iron core technology for binding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109273242A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188900Y (en) * | 2008-04-29 | 2009-02-04 | 崔成林 | Belt with pull-out prevention clip |
| CN102237181A (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Continuous wrapping and binding method for ultrahigh voltage converter transformer iron core column |
| CN104779039A (en) * | 2015-05-06 | 2015-07-15 | 湖北紫电电气设备有限公司 | Novel iron core clamping device |
| CN204614617U (en) * | 2015-05-06 | 2015-09-02 | 湖北紫电电气设备有限公司 | A kind of magnetic iron core clamping device |
| CN105304309A (en) * | 2015-11-30 | 2016-02-03 | 天威保变（秦皇岛）变压器有限公司 | Binding method of large-sized transformer iron core and special tool for large-sized transformer iron core |
-
2018
- 2018-11-13 CN CN201811345716.XA patent/CN109273242A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188900Y (en) * | 2008-04-29 | 2009-02-04 | 崔成林 | Belt with pull-out prevention clip |
| CN102237181A (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Continuous wrapping and binding method for ultrahigh voltage converter transformer iron core column |
| CN104779039A (en) * | 2015-05-06 | 2015-07-15 | 湖北紫电电气设备有限公司 | Novel iron core clamping device |
| CN204614617U (en) * | 2015-05-06 | 2015-09-02 | 湖北紫电电气设备有限公司 | A kind of magnetic iron core clamping device |
| CN105304309A (en) * | 2015-11-30 | 2016-02-03 | 天威保变（秦皇岛）变压器有限公司 | Binding method of large-sized transformer iron core and special tool for large-sized transformer iron core |
Non-Patent Citations (1)
| Title |
|---|
| 王承志等: ""大型变压器铁心绑扎结构及实施工艺"", 《变压器》, vol. 49, no. 6, pages 2 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190125 |