CN103779060A - Bucket type oil tank positioning nail structure and positioning method of transformer - Google Patents
Bucket type oil tank positioning nail structure and positioning method of transformer Download PDFInfo
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- CN103779060A CN103779060A CN201410048894.1A CN201410048894A CN103779060A CN 103779060 A CN103779060 A CN 103779060A CN 201410048894 A CN201410048894 A CN 201410048894A CN 103779060 A CN103779060 A CN 103779060A
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Abstract
The invention relates to a bucket type oil tank positioning nail structure and a positioning method of a transformer, and belongs to the technical field of transformers. The invention adopts the technical scheme as follows, the bucket type oil tank positioning nail structure comprises an iron core lower clamp web (1), a positioning nail (2), a base sleeve (3), an insulating paper board (4) and a seamless steel tube (5), wherein the positioning nail is welded on the iron core lower clamp web (1); a section of seamless steel tube is welded at the bottom of a transformer oil tank; the base sleeve is arranged inside the seamless steel tube; the base sleeve is matched with the positioning nail; the base sleeve is a polyurethane base sleeve which is elastic and convenient to adjust and matched with the positioning nail. The bucket type oil tank positioning nail structure has the positive effects that polyurethane base sleeves of three different models are equipped, the size of the positioning nail is measured, the errors are strictly controlled, proper base sleeves are selected, the workload is alleviated, the working efficiency is improved, and the cost of the transformer is lowered; the oil tank positioning nail structure is simplified, the number of components and the welding times are reduced, and the positioning nail is not required to be cast, so that the working intensity is alleviated, and hanging and checking are convenient to perform.
Description
Technical field
The present invention relates to a kind of transformer bucket type oil tank locating pin structure and localization method, belong to transformer technology field.
Background technology
Transformer manufacture has a long production cycle, and the wherein trial assembly of transformer, the transformer maintenance that assembles, hangs after inspection and fault all can relate to the problem that device body is located.For barrel type tank structure, the structure of background technology is: at the bottom of case, be welded with seamless steel pipe, be sidelong insulating cylinder in tube wall, have epoxide-resin glue in insulating cylinder; Existing problems are: after nowel, the seamless steel pipe at the bottom of locating pin and case is cast on together, and hang next time after inspection, also will re-start casting, and operation is various, so must carry out improvement and the upgrading of technology, could effectively enhance one's market competitiveness.
Summary of the invention
The object of this invention is to provide a kind of transformer bucket type oil tank locating pin structure and localization method, simplify fuel tank locating pin structure, reduce amount of parts and welding times, reduce costs; Without casting locating pin, reduce labour intensity, raise labour efficiency, conveniently hang inspection, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is: a kind of transformer bucket type oil tank locating pin structure, comprise lower clamping piece web unshakable in one's determination, locating pin, cover for seat, insulating board, seamless steel pipe, locating pin is welded on lower clamping piece web unshakable in one's determination, on at the bottom of the case of oil tank of transformer, weld one section of seamless steel pipe, the axis of seamless steel pipe perpendicular to case at the bottom of, case underseal closes the bottom of seamless steel pipe, the opened upper end of seamless steel pipe, cover for seat is arranged in seamless steel pipe, in seamless steel pipe, be provided with insulating board, cover for seat is set above insulating board, and cover for seat is mated mutually with locating pin; The outline of described cover for seat is cylinder, matches with the internal diameter of seamless steel pipe, and the axis of cylindrical center line and seamless steel pipe, on same straight line, is provided with circular groove above cylinder, and the diameter of circular groove and the external diameter of locating pin match; Cover for seat is divided into two kinds: the first be the center line of circular groove and cylinder center line on same straight line, in the time that seamless steel pipe axis and locating pin center line are on same straight line, use; The second is that the center line of circular groove and cylinder center line be not on same straight line, the center line of circular groove and locating pin center line are on same straight line, in the time that seamless steel pipe axis and locating pin center line are not on same straight line, use, guarantee that cover for seat mates mutually with locating pin; Described cover for seat is polyurethane cover for seat, has elasticity, is convenient to adjust coordinate with locating pin.
Described the second cover for seat, the center line of circular groove and cylinder center line be not on same straight line, be divided into again two class cover for seat, one class is center line and the cylinder centerline deviation 5mm of circular groove, another kind of is center line and the cylinder centerline deviation 10mm of circular groove, because the deviation between general locating pin center line and seamless steel pipe axis can not be greater than 15mm, rely on the elasticity of cover for seat self, two class cover for seat can be suitable for the deviation between locating pin center line and seamless steel pipe axis.Between seamless steel pipe and polyurethane cover for seat, place insulating board to guarantee insulation.
A kind of transformer bucket type oil tank localization method, comprise following processing step: 1. locating pin is welded on lower clamping piece web unshakable in one's determination, on at the bottom of the case of oil tank of transformer, weld one section of seamless steel pipe, the axis of seamless steel pipe perpendicular to case at the bottom of, case underseal closes the bottom of seamless steel pipe, the opened upper end of seamless steel pipe, cover for seat is arranged in seamless steel pipe, in seamless steel pipe, be provided with insulating board, cover for seat is set above insulating board, cover for seat is mated mutually with locating pin; 2. the outline of cover for seat is cylinder, matches with the internal diameter of seamless steel pipe, and the axis of cylindrical center line and seamless steel pipe, on same straight line, is provided with circular groove above cylinder, and the diameter of circular groove and the external diameter of locating pin match; 3. described cover for seat is polyurethane cover for seat, and described cover for seat is polyurethane cover for seat, has elasticity, is convenient to adjust coordinate with locating pin; 4. cover for seat is divided into two kinds: the first be the center line of circular groove and cylinder center line on same straight line, in the time that seamless steel pipe axis and locating pin center line are on same straight line, use; The second is that the center line of circular groove and cylinder center line be not on same straight line, the center line of circular groove and locating pin center line are on same straight line, in the time that seamless steel pipe axis and locating pin center line are not on same straight line, use, guarantee that cover for seat mates mutually with locating pin.
Described the second cover for seat, the center line of circular groove and cylinder center line be not on same straight line, be divided into again two class cover for seat, one class is center line and the cylinder centerline deviation 5mm of circular groove, another kind of is center line and the cylinder centerline deviation 10mm of circular groove, because the deviation between general locating pin center line and seamless steel pipe axis can not be greater than 15mm, rely on the elasticity of cover for seat self, two class cover for seat can be suitable for the deviation between locating pin center line and seamless steel pipe axis; Between seamless steel pipe and polyurethane cover for seat, place insulating board to guarantee insulation.
Good effect of the present invention: be furnished with the polyurethane cover for seat of three kinds of different sizes, measurement and positioning nail dimension, strict departure, selects suitable cover for seat, reduces workload, raises labour efficiency, and reduces transformer cost; Simplify fuel tank locating pin structure, reduce amount of parts and welding times, without casting locating pin, reduce labour intensity, conveniently hang inspection.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation;
Fig. 2 is locating pin schematic diagram;
Fig. 3 is embodiment mono-cover for seat vertical view;
Fig. 4 is embodiment mono-cover for seat cutaway view;
Fig. 5 is embodiment bis-cover for seat vertical views;
Fig. 6 is embodiment bis-cover for seat cutaway views;
Fig. 7 is embodiment tri-cover for seat vertical views;
Fig. 8 is embodiment tri-cover for seat cutaway views;
In figure: lower clamping piece web 1 unshakable in one's determination, locating pin 2, cover for seat 3, insulating board 4, seamless steel pipe 5, circular groove 6.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described.
Embodiment mono-, a kind of transformer bucket type oil tank localization method, comprise following processing step: 1. locating pin 2 is welded on lower clamping piece web 1 unshakable in one's determination, at the bottom of the case of oil tank of transformer, welds one section of seamless steel pipe 5, the axis of seamless steel pipe perpendicular to case at the bottom of, case underseal closes the bottom of seamless steel pipe, the opened upper end of seamless steel pipe, cover for seat is arranged in seamless steel pipe, is provided with insulating board 4 in seamless steel pipe, cover for seat 3 is set above insulating board, and cover for seat is mated mutually with locating pin; 2. the outline of cover for seat is cylinder, matches with the internal diameter of seamless steel pipe, and the axis of cylindrical center line and seamless steel pipe, on same straight line, is provided with circular groove 6 above cylinder, and the diameter of circular groove and the external diameter of locating pin match; 3. described cover for seat is polyurethane cover for seat, has elasticity, is convenient to adjust coordinate with locating pin.In embodiment mono-, the center line of cover for seat circular groove and cylinder center line, on same straight line, use in the time that seamless steel pipe axis and locating pin center line are on same straight line; The nail tip angle α of locating pin and cover for seat circular groove bottom angle beta match.
Embodiment bis-, the center line of cover for seat circular groove and cylinder center line be not on same straight line, the center line of circular groove and locating pin center line, on same straight line, use in the time that seamless steel pipe axis and locating pin center line are not on same straight line, guarantee that cover for seat mates mutually with locating pin.The nail tip angle α of locating pin and cover for seat circular groove bottom angle beta match.The center line of the circular groove of embodiment bis-and cylinder centerline deviation 5mm.
Embodiment tri-, the center line of circular groove and cylinder centerline deviation 10mm, because the deviation between general locating pin center line and seamless steel pipe axis can not be greater than 15mm, rely on the elasticity of cover for seat self, cover for seat can be suitable for the deviation between locating pin center line and seamless steel pipe axis; Between seamless steel pipe and polyurethane cover for seat, place insulating board to guarantee insulation.
Claims (4)
1. a transformer bucket type oil tank locating pin structure, it is characterized in that comprising lower clamping piece web unshakable in one's determination (1), locating pin (2), cover for seat (3), insulating board (4), seamless steel pipe (5), locating pin is welded on lower clamping piece web unshakable in one's determination, on at the bottom of the case of oil tank of transformer, weld one section of seamless steel pipe, the axis of seamless steel pipe perpendicular to case at the bottom of, case underseal closes the bottom of seamless steel pipe, the opened upper end of seamless steel pipe, cover for seat is arranged in seamless steel pipe, in seamless steel pipe, be provided with insulating board, cover for seat is set above insulating board, and cover for seat is mated mutually with locating pin; The outline of described cover for seat is cylinder, matches with the internal diameter of seamless steel pipe, and the axis of cylindrical center line and seamless steel pipe, on same straight line, is provided with circular groove (6) above cylinder, and the diameter of circular groove and the external diameter of locating pin match; Cover for seat is divided into two kinds: the first be the center line of circular groove and cylinder center line on same straight line, in the time that seamless steel pipe axis and locating pin center line are on same straight line, use; The second is that the center line of circular groove and cylinder center line be not on same straight line, the center line of circular groove and locating pin center line are on same straight line, in the time that seamless steel pipe axis and locating pin center line are not on same straight line, use, guarantee that cover for seat mates mutually with locating pin; Described cover for seat is polyurethane cover for seat, has elasticity, is convenient to adjust coordinate with locating pin.
2. transformer bucket type oil tank locating pin structure according to claim 1, it is characterized in that described the second cover for seat, the center line of circular groove and cylinder center line be not on same straight line, be divided into again two class cover for seat, one class is center line and the cylinder centerline deviation 5mm of circular groove, and another kind of is center line and the cylinder centerline deviation 10mm of circular groove.
3. a transformer bucket type oil tank localization method, it is characterized in that comprising following processing step: 1. locating pin is welded on lower clamping piece web unshakable in one's determination, on at the bottom of the case of oil tank of transformer, weld one section of seamless steel pipe, the axis of seamless steel pipe perpendicular to case at the bottom of, case underseal closes the bottom of seamless steel pipe, the opened upper end of seamless steel pipe, cover for seat is arranged in seamless steel pipe, in seamless steel pipe, be provided with insulating board, cover for seat is set above insulating board, cover for seat is mated mutually with locating pin; 2. the outline of cover for seat is cylinder, matches with the internal diameter of seamless steel pipe, and the axis of cylindrical center line and seamless steel pipe, on same straight line, is provided with circular groove above cylinder, and the diameter of circular groove and the external diameter of locating pin match; 3. described cover for seat is polyurethane cover for seat, has elasticity, is convenient to adjust coordinate with locating pin; 4. cover for seat is divided into two kinds: the first be the center line of circular groove and cylinder center line on same straight line, in the time that seamless steel pipe axis and locating pin center line are on same straight line, use; The second is that the center line of circular groove and cylinder center line be not on same straight line, the center line of circular groove and locating pin center line are on same straight line, in the time that seamless steel pipe axis and locating pin center line are not on same straight line, use, guarantee that cover for seat mates mutually with locating pin.
4. transformer bucket type oil tank localization method according to claim 3, it is characterized in that described the second cover for seat, the center line of circular groove and cylinder center line be not on same straight line, be divided into again two class cover for seat, one class is center line and the cylinder centerline deviation 5mm of circular groove, and another kind of is center line and the cylinder centerline deviation 10mm of circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048894.1A CN103779060A (en) | 2014-02-13 | 2014-02-13 | Bucket type oil tank positioning nail structure and positioning method of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048894.1A CN103779060A (en) | 2014-02-13 | 2014-02-13 | Bucket type oil tank positioning nail structure and positioning method of transformer |
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|---|---|
| CN103779060A true CN103779060A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410048894.1A Pending CN103779060A (en) | 2014-02-13 | 2014-02-13 | Bucket type oil tank positioning nail structure and positioning method of transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977006A (en) * | 2016-06-23 | 2016-09-28 | 山东达驰电气有限公司 | Transformer body positioning device |
| CN107481844A (en) * | 2017-04-26 | 2017-12-15 | 常德国力变压器有限公司 | Iron core and clamp insulation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0529168A (en) * | 1991-07-25 | 1993-02-05 | Meidensha Corp | Method of assembling transformer iron core |
| JPH07183141A (en) * | 1993-12-24 | 1995-07-21 | Toshiba Corp | Static induction equipment |
| CN201262867Y (en) * | 2008-08-27 | 2009-06-24 | 保定天威集团有限公司 | Positioning structure of transformer incasement |
| CN201956173U (en) * | 2010-12-16 | 2011-08-31 | 保定天威集团有限公司 | Transformer body fixing device |
| CN203013444U (en) * | 2012-12-13 | 2013-06-19 | 天威保变(合肥)变压器有限公司 | A lower portion positioning structure used when power transformer is put into oil tank |
| CN203433966U (en) * | 2013-09-23 | 2014-02-12 | 保定天威集团有限公司 | Lower positioning structure for transformer body |
-
2014
- 2014-02-13 CN CN201410048894.1A patent/CN103779060A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0529168A (en) * | 1991-07-25 | 1993-02-05 | Meidensha Corp | Method of assembling transformer iron core |
| JPH07183141A (en) * | 1993-12-24 | 1995-07-21 | Toshiba Corp | Static induction equipment |
| CN201262867Y (en) * | 2008-08-27 | 2009-06-24 | 保定天威集团有限公司 | Positioning structure of transformer incasement |
| CN201956173U (en) * | 2010-12-16 | 2011-08-31 | 保定天威集团有限公司 | Transformer body fixing device |
| CN203013444U (en) * | 2012-12-13 | 2013-06-19 | 天威保变(合肥)变压器有限公司 | A lower portion positioning structure used when power transformer is put into oil tank |
| CN203433966U (en) * | 2013-09-23 | 2014-02-12 | 保定天威集团有限公司 | Lower positioning structure for transformer body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977006A (en) * | 2016-06-23 | 2016-09-28 | 山东达驰电气有限公司 | Transformer body positioning device |
| CN107481844A (en) * | 2017-04-26 | 2017-12-15 | 常德国力变压器有限公司 | Iron core and clamp insulation device |
| CN107481844B (en) * | 2017-04-26 | 2023-04-07 | 常德国力变压器有限公司 | Iron core and clamp insulating device |
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Application publication date: 20140507 |