CN112489938A - Transformer cooling device bearing structure - Google Patents
Transformer cooling device bearing structure Download PDFInfo
- Publication number
- CN112489938A CN112489938A CN202011219796.1A CN202011219796A CN112489938A CN 112489938 A CN112489938 A CN 112489938A CN 202011219796 A CN202011219796 A CN 202011219796A CN 112489938 A CN112489938 A CN 112489938A
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- Prior art keywords
- supporting
- cooling device
- pipe
- plate
- oil tank
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 230000008093 supporting effect Effects 0.000 claims abstract description 94
- 238000003466 welding Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to a supporting structure of a transformer cooling device, which comprises: the air cooler supporting bracket is fixedly connected with the supporting base and is of an up-and-down split structure; the upper part of the air cooler supporting bracket is provided with an upper confluence main pipe, the lower part of the air cooler supporting bracket is provided with a lower confluence main pipe, and the upper confluence main pipe and the lower confluence main pipe are respectively connected with a transformer oil tank and an air cooler. The invention provides a transformer cooling device supporting structure which is convenient for station saving and is provided with a plurality of groups of air coolers independently, and the supporting structure is used for independently installing a cooling device, so that the installation of the cooling device is not limited by the installation environment and stations, the cooling device is integrally installed on a transformer body, and the installation stations and time are saved; the cooling device supporting structure adopts an upper and lower split structure, has a compact structure, meets the requirement of transportation size, and ensures the reliable and safe operation of the structure.
Description
Technical Field
The invention belongs to the technical field of transformer production and manufacturing, and particularly relates to a supporting device of a transformer cooling device, which is an independently assembled air cooler convenient for saving stations.
Background
The cooling device of the transformer radiates heat generated by the operation of the transformer so as to ensure the safe operation of the transformer. The transformer cooling device generally comprises an air cooler, an oil pump, an oil flow relay, a cooling pipeline, an air cooler bracket, a valve and the like, and can move along with the transformer body.
The arrangement of the cooling device of the transformer needs to determine the capacity and the group number of the air cooler according to the capacity and the temperature rise requirement of the transformer. The air cooler of the existing transformer is mostly arranged in a vertical mode, and the vertical arrangement of the air cooler is beneficial to the maintenance and overhaul of the air cooler. However, when the transformer has a large capacity and requires a low temperature rise, the number of fans is too large and the height of the air cooler is too high. At this time, the problem can be solved by increasing the number of the air coolers, and at this time, a plurality of groups of air coolers need to be transversely placed, so that a supporting structure suitable for transversely placing the plurality of groups of air coolers needs to be designed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a transformer cooling device supporting structure which is convenient for station saving and is provided with a plurality of groups of air coolers independently, so that the supporting structure is ensured to have good strength and rigidity, and is convenient to install and transport. The technical scheme adopted by the invention is as follows:
a transformer cooler support structure comprising: the supporting base can directly fall to the ground to play a supporting role, and the air cooler supporting bracket is fixedly connected with the supporting base and is of a latticed up-down split structure; the upper part of the air cooler supporting bracket is provided with an upper confluence main pipe, the lower part of the air cooler supporting bracket is provided with a lower confluence main pipe, and the upper confluence main pipe and the lower confluence main pipe are respectively connected with a transformer oil tank and an air cooler.
The air cooler group is fixedly arranged on the air cooler supporting bracket, the size of the air cooler supporting bracket and the maximum length of the upper confluence main pipe and the lower confluence main pipe are flexibly arranged according to the number of the air cooler group to be installed. Hot oil of the transformer enters the upper confluence main pipe, enters the air cooler from the upper confluence main pipe for cooling, and the cooled transformer oil enters the lower confluence main pipe and flows back to the transformer oil tank from the lower confluence main pipe.
The invention has the beneficial effects that:
1) the invention provides a transformer cooling device supporting structure which is convenient for station saving and is provided with a plurality of groups of air coolers independently, and the supporting structure is used for independently installing a cooling device, so that the installation of the cooling device is not limited by the installation environment and stations, the cooling device is integrally installed on a transformer body, and the installation stations and time are saved;
2) the cooling device supporting structure adopts an upper split structure and a lower split structure, has a compact structure, meets the requirement of transportation size, and ensures the reliable and safe operation of the structure;
3) the cooling device supporting structure can freely select the assembling place and the station of the air cooler, does not depend on the constraint of the assembling space and time of the transformer body, can integrally assemble a plurality of groups of air coolers and then install the air coolers on the transformer body, is convenient to assemble, achieves the aim that the cooling device can save the station and can be independently installed, and has wide application prospect in the production of the transformer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are specific embodiments of the invention, and that other drawings within the scope of the present application can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a front view of a cooling device support structure of an embodiment of the present invention;
FIG. 2 is a left side view of a cooling device support structure of an embodiment of the present invention;
FIG. 3 is a front view of a support base of a cooling device mounting structure of an embodiment of the present invention;
FIG. 4 is a top view of a support base of a cooling device mounting structure of an embodiment of the present invention;
FIG. 5 is a front elevational view of the construction of an air cooler support bracket according to an embodiment of the present invention;
in the figure, 1-upper confluence main pipe, 2-lower confluence main pipe, 3-split connection structure, 4-support base, 5-transverse support pipe, 6-vertical support pipe, 7-upper fixing support, 8-lower fixing support, 9-upper oil tank connection support plate, 10-lower oil tank connection support plate, 11-first flange hole, 12-first oil return tank connection pipe, 13-second oil return tank connection pipe, 14-second flange hole, 15-lower bottom plate, 16-rear side support plate, 17-middle vertical plate, 18-groove and 19-traction hole.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a front view of a cooling device support structure according to an embodiment of the present invention; fig. 2 is a left side view of the cooling device support structure according to the embodiment of the present invention. A transformer cooler support structure comprising: the supporting base 4 can directly fall to the ground to play a supporting role, and the supporting base 4 is used for integrally and fixedly supporting the supporting structure of the cooling device. FIG. 3 is a front view of a support base of a cooling device support structure according to an embodiment of the present invention; fig. 4 is a plan view of a support base of a cooling device mounting structure according to an embodiment of the present invention. The supporting base 4 comprises a rectangular lower bottom plate 15 which is contacted with the ground to play a role in stable supporting, and the lower bottom plate 15 is made of a common carbon steel plate with the thickness of 20mm Q235-B. A rectangular rear support plate 16 perpendicular to the lower plate 15 is provided on one end width side of the lower plate 15. A middle vertical plate 17 is arranged on the length center line of the lower bottom plate 15 and the rear side supporting plate 16, a groove 18 is arranged at one end of the middle vertical plate 17 close to the rear side supporting plate 16, and a unfilled corner is arranged at the upper part of one end of the middle vertical plate 17 far away from the rear side supporting plate 16, so that the material can be saved due to the unfilled corner design; and a traction hole 19 with the diameter of 50mm is arranged at the position below the unfilled corner, and the traction hole 19 is used as a lifting point during lifting.
The maximum length of the upper and lower confluence main pipes 1 and 2 of the cooling device is determined according to the number of the air cooler groups and the assembly space, and the sizes of the two support bases 4 are determined. The lower base plate 15, the rear side supporting plate 16 and the middle vertical plate 17 adopt a welding structure, the welding positions are subjected to butt welding after being chamfered by 2 x 45 degrees, the external welding lines are smooth, knots or pits are avoided, the whole body is polished smoothly, and the welding structure ensures the mechanical strength and the stability of the cooling device supporting structure during the whole assembly. Leaving a bridge box mounting space at the upper step notch of the recess 18.
The lower confluence main pipe 2 is fixedly provided with a vertical supporting pipe 6 in a welding way, and a transverse supporting pipe 5 which is vertical to the vertical supporting pipe 6 is fixedly provided in a welding way. The transverse supporting tubes 5 and the vertical supporting tubes 6 form a latticed air cooler supporting bracket. The number of the horizontal supporting tubes 5 and the vertical supporting tubes 6 is determined according to the number of the air coolers to be installed, as shown in fig. 5, the air cooler supporting bracket is a structural front view of the air cooler supporting bracket of the embodiment of the invention, and four groups of air coolers (one group of air coolers is arranged between every 2 vertical supporting tubes 6) can be installed on the air cooler supporting bracket consisting of 5 vertical supporting tubes 6 and 1 horizontal supporting tube 5.
The vertical supporting tube 6 is formed by combining an upper supporting tube and a lower supporting tube through the split connecting structure 3, the split connecting structure 3 is formed by two opposite steel plates, holes are formed in the steel plates for the fastening bolts to penetrate through, the steel plates are welded on the upper supporting tube and the lower supporting tube, the fastening bolts penetrate through the holes and are screwed, and then the complete vertical supporting tube 6 is formed. The transverse supporting tube 5 and the vertical supporting tube 6 are preferably square tubes, and the supporting strength is better. Vertical stay tube 6 adopts components of a whole that can function independently structure from top to bottom, and the installation of being convenient for when guaranteeing intensity has solved the problem that bearing structure height transfinites during the transportation simultaneously.
An upper fixing support 7 is fixedly arranged at the upper end part of the vertical supporting pipe 6 in a welding mode, a lower fixing support 8 is fixedly arranged at the lower end part of the vertical supporting pipe 6 in a welding mode, and two adjacent upper fixing supports 7 and two adjacent lower fixing supports 8 are combined into a rectangular frame structure for fixedly arranging the air cooler. The upper fixing support 7 and the lower fixing support 8 are provided with reinforcing ribs for reinforcing the supporting strength, and the lower fixing support 8 is made of I-shaped steel for reinforcing the supporting strength. The upper fixing support 7 and the reinforcing ribs are made of Q235-B common carbon steel plates, and the lower fixing support 8 is made of Q235-B I-shaped steel.
An upper bus bar pipe 1 is fixedly arranged at the upper end part of the vertical supporting pipe 6 in a welding mode, and a lower bus bar pipe 2 is fixedly arranged at the lower end part of the vertical supporting pipe 6 in a welding mode. The section of the upper confluence main pipe 1 and the lower confluence main pipe 2 is rectangular, the rectangular section has the advantages of high strength and good supporting effect, a seamless square steel pipe is cold-drawn by adopting Q345B, and a flange plate interface is reserved at the end part of the seamless square steel pipe, so that the paint spraying, the washing and the cover plate packaging are facilitated. A first flange hole 11 is formed in one side, opposite to the oil tank, of the upper confluence main pipe 1, the upper confluence main pipe 1 is communicated with the transformer oil tank through the first flange hole 11, and hot oil in the transformer oil tank enters the upper confluence main pipe 1 through the first flange hole 11; more than one second flange holes 14 are formed in one side, facing the air cooler, of the upper confluence main pipe 1 (the number of the second flange holes 14 corresponds to the number of the air cooler), the upper confluence main pipe 1 is communicated with the air cooler through the second flange holes 14, and hot oil of the upper confluence main pipe 1 enters the air cooler through the second flange holes 14 to be cooled.
Correspondingly, more than one third flange hole is arranged right below the lower confluence main pipe 2 (the number of the third flange holes is corresponding to that of the air cooler), the lower confluence main pipe 2 is communicated with the air cooler through the third flange holes, and cold oil cooled by the air cooler enters the lower confluence main pipe 2 through the third flange holes; a first oil return tank connecting pipe 12 and a second oil return tank connecting pipe 13 are arranged right below the lower confluence main pipe 2, the lower confluence main pipe 2 is communicated with a transformer oil tank through the first oil return tank connecting pipe 12 and the second oil return tank connecting pipe 13, and cold oil cooled by an air cooler flows back into the transformer oil tank from the lower confluence main pipe 2 through the first oil return tank connecting pipe 12 and the second oil return tank connecting pipe 13.
In the embodiment of the invention, an upper oil tank connecting support plate 9 and a lower oil tank connecting support plate 10 are also arranged, and bolt holes with long round hole structures are arranged on the upper oil tank connecting support plate 9 and the lower oil tank connecting support plate 10. One end of the upper oil tank connecting support plate 9 and one end of the lower oil tank connecting support plate 10 are fixedly arranged on the transverse support tube 5 and the lower confluence main tube 2 in a welding mode respectively, and the other ends of the upper oil tank connecting support plate and the lower oil tank connecting support plate are fixedly connected with the oil tank support after penetrating through bolt holes of the long round hole structures through fastening bolts.
Finally, it is to be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (10)
1. A transformer cooling device support structure, comprising: the supporting base (4) can directly fall to the ground to play a supporting role, and the air cooler supporting bracket is fixedly connected with the supporting base (4) and is of a latticed up-down split type structure; an upper confluence main pipe (1) is arranged at the upper part of the air cooler supporting bracket, a lower confluence main pipe (2) is arranged at the lower part of the air cooler supporting bracket, and the upper confluence main pipe (1) and the lower confluence main pipe (2) are respectively connected with a transformer oil tank and an air cooler.
2. The supporting structure of the transformer cooling device according to claim 1, wherein the air cooler supporting frame is formed by vertically welding a transverse supporting tube (5) and a vertical supporting tube (6), the vertical supporting tube (6) is formed by combining an upper supporting tube and a lower supporting tube through a split connecting structure (3), the split connecting structure (3) is two steel plates which are arranged oppositely, the steel plates are welded on the upper supporting tube and the lower supporting tube, and holes are formed in the steel plates for fastening bolts to pass through.
3. The transformer cooling device supporting structure according to claim 2, wherein the horizontal supporting tubes (5) and the vertical supporting tubes (6) are square tubes.
4. The transformer cooling device support structure according to claim 2, wherein an upper fixing bracket (7) is fixedly provided at an upper end portion of the vertical support tube (6) by welding, and a lower fixing bracket (8) is fixedly provided at a lower end portion of the vertical support tube (6) by welding.
5. The supporting structure of the transformer cooling device according to claim 4, wherein the upper fixing support (7) and the lower fixing support (8) are provided with reinforcing ribs, the upper fixing support (7) and the reinforcing ribs are made of Q235-B common carbon steel plates, and the lower fixing support (8) is made of Q235-B I-steel.
6. The transformer cooling device supporting structure according to claim 2, wherein the upper bus bar pipe (1) is fixedly arranged at the upper end of the vertical supporting pipe (6) in a welding manner, the lower bus bar pipe (2) is fixedly arranged at the lower end of the vertical supporting pipe (6) in a welding manner, the sections of the upper bus bar pipe (1) and the lower bus bar pipe (2) are rectangular, and flange joints are reserved at the ends.
7. The transformer cooling device supporting structure according to claim 6, wherein a first flange hole (11) is formed in one side of the upper bus bar pipe (1) facing the oil tank, and second flange holes (14) corresponding to the number of the air coolers are formed in one side of the upper bus bar pipe (1) facing the air coolers; and a third flange hole corresponding to the number of the air coolers is arranged on one side of the lower confluence main pipe (2) opposite to the air coolers, and a first oil return tank connecting pipe (12) and a second oil return tank connecting pipe (13) are arranged on the lower part of the lower confluence main pipe (2).
8. A transformer cooler support structure according to claim 1, characterized in that said support base (4) comprises: the lower plate structure comprises a rectangular lower bottom plate (15), a rectangular rear side supporting plate (16) perpendicular to the lower bottom plate (15) is arranged on one width side of one end of the lower bottom plate (15), and a middle vertical plate (17) is arranged on the length center line position of the lower bottom plate (15) and the rear side supporting plate (16).
9. The supporting structure of the transformer cooling device according to claim 8, wherein a groove (18) is formed at one end of the middle vertical plate (17) close to the rear side supporting plate (16), a notch is formed at an upper portion of one end of the middle vertical plate (17) far from the rear side supporting plate (16), and a drawing hole (19) is formed at a position below the notch.
10. The transformer cooling device support structure according to any one of claims 1 to 9, further comprising: the oil tank connecting support plate comprises an upper oil tank connecting support plate (9) and a lower oil tank connecting support plate (10), bolt holes with long circular hole structures are formed in the upper oil tank connecting support plate (9) and the lower oil tank connecting support plate (10), one ends of the upper oil tank connecting support plate (9) and the lower oil tank connecting support plate (10) are fixedly arranged on a transverse support pipe (5) and a lower confluence female pipe (2) respectively in a welding mode, and the other ends of the upper oil tank connecting support plate and the lower oil tank connecting support plate are fixedly connected with an oil tank support after penetrating through the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219796.1A CN112489938B (en) | 2020-11-04 | 2020-11-04 | Transformer cooling device supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219796.1A CN112489938B (en) | 2020-11-04 | 2020-11-04 | Transformer cooling device supporting structure |
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| CN112489938A true CN112489938A (en) | 2021-03-12 |
| CN112489938B CN112489938B (en) | 2024-05-24 |
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| CN202011219796.1A Active CN112489938B (en) | 2020-11-04 | 2020-11-04 | Transformer cooling device supporting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3370216A (en) * | 1965-12-21 | 1968-02-20 | Gen Electric | Integral transformer-rectifier system wherein liquid cooled heatsinks for current rectifying components are mounted on coaxial bushings |
| GB1180803A (en) * | 1966-06-23 | 1970-02-11 | Udylite Corp | Improvements in or relating to Heat Exchangers for Cooling Electrical Apparatus. |
| CN2594943Y (en) * | 2002-12-31 | 2003-12-24 | 特变电工衡阳变压器有限公司 | Cooling structure of oil immersion self cooling transformer |
| CN1862719A (en) * | 2005-11-17 | 2006-11-15 | 中国科学院电工研究所 | Evaporation cooling transformer |
| CN201600991U (en) * | 2010-01-28 | 2010-10-06 | 四川蜀能电器有限责任公司 | Split type full-self-cooling concentrated-heat-radiation transformer system |
| CN202034169U (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Integral assembling and disassembling structure of cooler group of converter transformer |
| CN202034170U (en) * | 2010-12-30 | 2011-11-09 | 保定天威集团有限公司 | Fixing and supporting structure for finned radiator cooling device of transformer |
| CN202339792U (en) * | 2011-11-28 | 2012-07-18 | 上海一电变压器有限公司 | Mounting component of dry-type transformer cooling fan |
| CN205104328U (en) * | 2015-11-04 | 2016-03-23 | 国家电网公司 | Split type heat radiation structure of 110kV transformer level |
| CN205230722U (en) * | 2015-12-28 | 2016-05-11 | 保定天威保变电气股份有限公司 | Transformer cooling device's frame rack structure |
| CN107017077A (en) * | 2017-05-22 | 2017-08-04 | 江苏海鼎电气科技有限公司 | A kind of forced oil-circulation cooled high-power transformer cooler |
| CN207781349U (en) * | 2017-12-15 | 2018-08-28 | 保定保菱变压器有限公司 | A kind of novel transformer forced air cooler support construction |
| CN208335937U (en) * | 2018-07-17 | 2019-01-04 | 沈阳丰晟电力设备有限公司 | A kind of 35kv or less transformer ripple cooler |
| CN208673852U (en) * | 2018-09-28 | 2019-03-29 | 江苏华鹏变压器有限公司 | Radiator mounting and heat sink assembly |
| CN214012687U (en) * | 2020-11-04 | 2021-08-20 | 中国南方电网有限责任公司超高压输电公司 | Transformer cooling device bearing structure |
-
2020
- 2020-11-04 CN CN202011219796.1A patent/CN112489938B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3370216A (en) * | 1965-12-21 | 1968-02-20 | Gen Electric | Integral transformer-rectifier system wherein liquid cooled heatsinks for current rectifying components are mounted on coaxial bushings |
| GB1180803A (en) * | 1966-06-23 | 1970-02-11 | Udylite Corp | Improvements in or relating to Heat Exchangers for Cooling Electrical Apparatus. |
| CN2594943Y (en) * | 2002-12-31 | 2003-12-24 | 特变电工衡阳变压器有限公司 | Cooling structure of oil immersion self cooling transformer |
| CN1862719A (en) * | 2005-11-17 | 2006-11-15 | 中国科学院电工研究所 | Evaporation cooling transformer |
| CN201600991U (en) * | 2010-01-28 | 2010-10-06 | 四川蜀能电器有限责任公司 | Split type full-self-cooling concentrated-heat-radiation transformer system |
| CN202034170U (en) * | 2010-12-30 | 2011-11-09 | 保定天威集团有限公司 | Fixing and supporting structure for finned radiator cooling device of transformer |
| CN202034169U (en) * | 2010-12-31 | 2011-11-09 | 保定天威集团有限公司 | Integral assembling and disassembling structure of cooler group of converter transformer |
| CN202339792U (en) * | 2011-11-28 | 2012-07-18 | 上海一电变压器有限公司 | Mounting component of dry-type transformer cooling fan |
| CN205104328U (en) * | 2015-11-04 | 2016-03-23 | 国家电网公司 | Split type heat radiation structure of 110kV transformer level |
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| CN207781349U (en) * | 2017-12-15 | 2018-08-28 | 保定保菱变压器有限公司 | A kind of novel transformer forced air cooler support construction |
| CN208335937U (en) * | 2018-07-17 | 2019-01-04 | 沈阳丰晟电力设备有限公司 | A kind of 35kv or less transformer ripple cooler |
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| Publication number | Publication date |
|---|---|
| CN112489938B (en) | 2024-05-24 |
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