CN203858975U - Press fitting and fastening device of transformer - Google Patents
Press fitting and fastening device of transformer Download PDFInfo
- Publication number
- CN203858975U CN203858975U CN201420296260.3U CN201420296260U CN203858975U CN 203858975 U CN203858975 U CN 203858975U CN 201420296260 U CN201420296260 U CN 201420296260U CN 203858975 U CN203858975 U CN 203858975U
- Authority
- CN
- China
- Prior art keywords
- transformer
- steel
- clamping piece
- clamping pieces
- limiting plate
- 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.)
- Expired - Fee Related
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model provides a press fitting and fastening device of a transformer, wherein the intensity of the transformer is improved and the service life of the transformer is prolonged. The press fitting and fastening device of the transformer comprises two upper clamping pieces arranged on the two sides of the upper portion of the transformer and two lower clamping pieces located on the two sides of the bottom of the transformer. The two upper clamping pieces and the two lower clamping pieces are fixedly connected through clamping screws. Each upper clamping piece and the corresponding lower clamping piece are fixedly connected through a pulling screw. The two ends of the inner side of each upper clamping piece and the two ends of the inner side of the corresponding lower clamping piece are correspondingly provided with limit boards. The limit board at one end of each upper clamping piece is provided with an iron pressing plate in a clamped mode, and the limit board at the other end of each upper clamping piece is provided with an iron pressing board in a clamped mode; correspondingly, the limit board at one end of each lower clamping piece is provided with an iron pressing plate in a clamped mode, and the limit board at the other end of each lower clamping piece is provided with an iron pressing board in a clamped mode. By means of the press fitting and fastening device of the transformer, the upper end face and the lower end face of a coil are evenly stressed, deformation amount of an upper pressing block and a lower pressing block can be largely reduced, and the service life of the transformer is prolonged.
Description
Technical field
The utility model relates to a kind of device for transformer, especially a kind of transformer body press-fit fastener.
Background technology
Device body to press-fit fastening be important step in transformer production process.Device body press-fits the wooden briquetting device of fastening main employing at present.The weak point of this device is: 1. timber in device body assembling process because of undercapacity, and produce to a certain degree press-fit distortion, cause the axial compressive force discontinuity of coil; 2. in the preliminary drying dehumidifying process of timber before assembling, because of the percent thermal shrinkage difference of different timber, cause the pre-baked compact dimensions of wooden briquetting to have certain deviation, cause equally the axial compressive force discontinuity of coil.
When above-mentioned two weak points all can cause transformer to occur sudden short circuit, because of device body integral press mounting insufficient strength, cause the axial compressive force discontinuity of coil.Coil is subject to the impact of short-circuit force to occur the damage in insulation between wire turn, thereby causes transformer to damage.
Utility model content
The purpose of this utility model is to provide a kind of fastener that press-fits of the transformer body that improves intensity and increase the service life.
Realize the utility model object transformer body press-fit fastener, comprise two upper clamping pieces that are positioned at both sides, transformer body top and two lower clamping pieces that are positioned at transformer body two bottom sides; Be fixed together by folder screw rod between described two upper clamping pieces and between two lower clamping pieces, between upper and lower corresponding upper clamping piece and lower clamping piece by drawing screw rod to be fixed together; The two ends correspondence of described upper clamping piece and lower clamping piece inner side is provided with limiting plate; On one end limiting plate of two described upper clamping pieces, be installed with iron pressing plate, on the other end limiting plate of two described upper clamping pieces, be installed with iron pressing plate; Accordingly, on one end limiting plate of two described lower clamping pieces, be installed with iron pressing plate, on the other end limiting plate of two described lower clamping pieces, be installed with iron pressing plate.
Described iron pressing plate comprises C font steel, and steel openend is welded with steel plate, and the length of steel plate is less than the length of steel, and the opening size of steel is greater than the length of limiting plate; Described limiting plate can snap in the two ends of steel.
The width of described steel plate is 6mm.
The length of described steel plate is less than two corresponding limiting plate inner distance 4mm.
The opening size of described steel is greater than limiting plate length 2mm.
The beneficial effects of the utility model are as follows: transformer body of the present utility model press-fit fastener, can make the upper and lower end face of coil stressed evenly, greatly reduce the deflection of upper and lower briquetting, improve the useful life of transformer; And the mechanical strength that press-fits securing member improves greatly; Preliminary drying dehumidifying process reduces greatly to the size impact that press-fits securing member.
Brief description of the drawings
Fig. 1 is the structural representation that press-fits fastener of transformer body of the present utility model.
Embodiment
Embodiment of the present utility model is as follows: as shown in Figure 1, transformer body of the present utility model press-fit fastener, comprise two upper clamping pieces 1 that are positioned at both sides, transformer body top and two lower clamping pieces 6 that are positioned at transformer body two bottom sides; Be fixed together by folder screw rod 2 between described two upper clamping pieces 1 and between two lower clamping pieces 6, between upper and lower corresponding upper clamping piece 1 and lower clamping piece 6 by drawing screw rod 3 to be fixed together; The two ends correspondence of described upper clamping piece 1 and lower clamping piece 6 inner sides is provided with limiting plate 4;
On one end limiting plate 4 of two described upper clamping pieces 1, be installed with on the other end limiting plate 4 of 5, two described upper clamping pieces 1 of iron pressing plate and be installed with iron pressing plate 5; Accordingly, on one end limiting plate 4 of two described lower clamping pieces 6, be installed with on the other end limiting plate 4 of 5, two described lower clamping pieces 6 of iron pressing plate and be installed with iron pressing plate 5.
Described iron pressing plate 5 comprises C font steel 51, and steel 5 openends are welded with steel plate 52, and the length of steel plate 52 is less than the length of steel 51, and the opening size of steel 51 is greater than the length of limiting plate 4; Described limiting plate 4 can snap in the two ends of steel 51.
The width of described steel plate 52 is 6mm, and the length of steel plate 52 is less than corresponding two limiting plates, 4 inner distance 4mm, and the opening size of steel 51 is greater than limiting plate 4 length 2mm.
The operation principle that press-fits fastener of transformer body of the present utility model is as follows: control the horizontal installation displacement of iron pressing plate 5 by limiting plate 4, control its front and back displacement is installed by the steel plate 52 of iron pressing plate 5 openend welding; By the limit mounting to iron pressing plate 5, guarantee the consistency of the upper and lower stress surface of coil, thereby ensured the consistency of coil axes to pressure assembling force.
Embodiment recited above is described preferred implementation of the present utility model; not scope of the present utility model is limited; design under spiritual prerequisite not departing from the utility model; various distortion and improvement that the common engineers and technicians in this area make technical solutions of the utility model, all should fall in the definite protection range of claims of the present utility model.
Claims (5)
- Transformer body press-fit a fastener, it is characterized in that: comprise two upper clamping pieces that are positioned at both sides, transformer body top and two lower clamping pieces that are positioned at transformer body two bottom sides; Be fixed together by folder screw rod between described two upper clamping pieces and between two lower clamping pieces, between upper and lower corresponding upper clamping piece and lower clamping piece by drawing screw rod to be fixed together; The two ends correspondence of described upper clamping piece and lower clamping piece inner side is provided with limiting plate; On one end limiting plate of two described upper clamping pieces, be installed with iron pressing plate, on the other end limiting plate of two described upper clamping pieces, be installed with iron pressing plate; Accordingly, on one end limiting plate of two described lower clamping pieces, be installed with iron pressing plate, on the other end limiting plate of two described lower clamping pieces, be installed with iron pressing plate.
- Transformer body according to claim 1 press-fit fastener, it is characterized in that: described iron pressing plate comprises C font steel, steel openend is welded with steel plate, and the length of steel plate is less than the length of steel, and the opening size of steel is greater than the length of limiting plate; Described limiting plate can snap in the two ends of steel.
- Transformer body according to claim 2 press-fit fastener, it is characterized in that: the width of described steel plate is 6mm.
- 4. according to the fastener that press-fits of the transformer body described in claim 2 or 3, it is characterized in that: the length of described steel plate is less than two corresponding limiting plate inner distance 4mm.
- 5. according to the fastener that press-fits of the transformer body described in claim 2 or 3, it is characterized in that: the opening size of described steel is greater than limiting plate length 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296260.3U CN203858975U (en) | 2014-06-05 | 2014-06-05 | Press fitting and fastening device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296260.3U CN203858975U (en) | 2014-06-05 | 2014-06-05 | Press fitting and fastening device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858975U true CN203858975U (en) | 2014-10-01 |
Family
ID=51608817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420296260.3U Expired - Fee Related CN203858975U (en) | 2014-06-05 | 2014-06-05 | Press fitting and fastening device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513768A (en) * | 2016-01-29 | 2016-04-20 | 湖北欢达电气股份有限公司 | Transformer reinforcing device |
-
2014
- 2014-06-05 CN CN201420296260.3U patent/CN203858975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513768A (en) * | 2016-01-29 | 2016-04-20 | 湖北欢达电气股份有限公司 | Transformer reinforcing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20190605 |