CN201075337Y - Apparatus for integral sheathing and pressing voltage transformer body - Google Patents
Apparatus for integral sheathing and pressing voltage transformer body Download PDFInfo
- Publication number
- CN201075337Y CN201075337Y CNU2007200386869U CN200720038686U CN201075337Y CN 201075337 Y CN201075337 Y CN 201075337Y CN U2007200386869 U CNU2007200386869 U CN U2007200386869U CN 200720038686 U CN200720038686 U CN 200720038686U CN 201075337 Y CN201075337 Y CN 201075337Y
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- transformer body
- device body
- installing hole
- fagging
- transformer
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Abstract
The utility model relates to a frock applied in transformer production, in particular to a complete frock for the whole body of a transformer and the device for holddown, which comprises an upper pressure plate arranged above the upper insulation pressure plate of the transformer body, a bracing piece arranged below the lower insulation pressure plate of the transformer body and a lower pressure plate arranged below the bracing piece. The upper pressure plate and the lower pressure plate are fixedly connected through rigging screws and fastening nuts, the center of the lower pressure plate is provided with a mounting hole for a positioner of the transformer body and the bottom of the positioner of the transformer body is matched with the mounting hole for the positioner of the transformer body. The utility model solves the concentricity of coils during the assembling process of the transformer body and the force problems of all coils, guarantees the even force of coils and good concentricity, meets the insulated electrical strength of products and improves the affordability of withstanding short-circuit, thereby ensuring the long-term and safe operation of products.
Description
Technical field
The utility model relates to the frock of using in a kind of transformer production, particularly a kind of transformer body integral assembling and compress and use device.
Background technology
The main runnability of transformer comprises dynamic stability and thermal stability, and the quality of these two big indexs directly has influence on the security reliability of transformer operation.
Transformer body is made up of main empty path insulating part between upper end insulation, bottom insulation, high-low pressure and voltage regulation coil, high-voltage coil and low-voltage coil etc.The concentricity of existing transformer production technology coil in device body assembling process can not guarantee, the device body of transformer partly exists a large amount of insulation system spares simultaneously, the transformer of existing explained hereafter produces mechanical oscillation because of the effect that is subjected to electromagnetic force in running, under this external force effect continuously for a long time, plastic deformation will take place in some parts (as coil cushion block, core insulation etc.)---shrinks, make and become flexible between the line cake, easily cause the line cake to go here and there up and down.The section of striding when coil winding " S " is bent the transposition misfeasance, makes to form crossing on the same level point (i.e. " scissors mouth ") between transposed conductor and time layer conductor, easily causes turn-to-turn short circuit.In addition, when single-phase or three relative ground circuit faults took place outside line, owing to be subjected to the influence of short-circuit force, coil can produce distortion, displacement even short circuit because of the effect that axially reaches diametral force, and promptly so-called moving stablized unstable phenomenon, thereby influences the safe operation of product.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of transformer body integral assembling is provided and compresses and use device, solved the stressed even problem of all windings in concentricity in the transformer body assembling process and the single-phase device body.Use transformer body integral assembling of the present utility model in the transformer manufacture process and compress and use device, can reach control transformer device body assembly quality, guarantee the stressed even and good concentricity of coil, make product when satisfying insulation electrical intensity, improve the ability to bear of product Short Circuit withstand, thereby guarantee that product can the long-term safety operation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of transformer body integral assembling and compress and use device, has top board, strutting piece, device body locator, lower platen and draw screw rod, top board is arranged on the top of the last insulating press boards of transformer body, strutting piece is arranged on the below of the following insulating press boards of transformer body, lower platen is arranged on the below of strutting piece, top board is provided with at least four top board installing holes, be provided with the lower platen installing hole corresponding to top board installing hole place on the lower platen, draw the screw rod upper end to pass the top board installing hole, draw the screw rod lower end to pass the lower platen installing hole, draw the screw rod two ends that clamp nut is housed; The lower platen center has device body locator installing hole, and device body locator bottom cooperates with device body locator installing hole.
During use, it is in place that device body locator is put into the lower platen center, and device body locator bottom cooperates with device body locator installing hole.During device body integral assembling, utilize the mounting center position of device body locator stretching, correcting coil and last insulating press boards, following insulating press boards, guarantee that it has good concentricity.After device body integral assembling was finished, extractor body locator installed pressure cell and top board additional, and with the single-phase device body that draws screw rod to compress to have assembled.The single-phase device body that assembles is winched to the compacting machine place carry out entire pressurisation, the pressure size and the time of exerting pressure are undertaken by designing requirement.
Device body locator is easy to operate when making device body integral assembling, when utilizing the mounting center position of device body locator stretching, correcting coil and last insulating press boards, following insulating press boards, device body locator has suitable clamping force, and described device body locator has suspender, floral disc, fixed support, fagging, main shaft, operating grip and chassis and forms.The chassis cooperates with device body locator installing hole on the lower platen, fixed support has loop bar, one group of main supporting rod and one group of sub-strut bar, loop bar is sleeved on the main shaft, one end and the floral disc of main supporting rod are hinged, the other end respectively with the upper articulation of a fagging, one end and the loop bar outer ring of sub-strut bar are hinged, the other end is hinged with a fagging respectively, the pin joint that the sub-strut bar is connected with loop bar is arranged on the middle part and the bottom of loop bar, the pin joint that the sub-strut bar is connected with fagging is positioned at the middle and lower part of fagging, operating grip is fixedly mounted on the main shaft, floral disc is sleeved on main shaft top, floral disc is connected with cover plate and dowel fixes with main shaft, suspender is fixedly mounted on floral disc upper surface center, fixedlys connected with the chassis or be rotationally connected in the main shaft lower end.
For further improving the positioning accuracy of device body locator, described device body locator also has at least one group of jury strut, is set with sliding sleeve on the loop bar, and an end of jury strut and a fagging are hinged, and the other end of jury strut is all hinged with sliding sleeve.
For reaching the purpose of the pressure size can regulate transformer body and press-fit according to designing requirement the time, between the lower surface of the upper surface of the low-voltage coil of transformer body and high-tension coil and upper yoke insulation, be provided with pressure cell.After pressurization finishes, check behind the pressure cell pressurized change in color line circle Height Adjustment of going forward side by side.
The beneficial effects of the utility model are that the utility model has solved the concentricity problem in the transformer body assembling process, thereby can guarantee effectively that coil to (over the ground) insulation distance unshakable in one's determination, guarantees that from fit on transformer has enough electrical strengths; Simultaneously single-phase device body is handled through the compacting machine precompressed, can effectively solve the resilience problem behind the coil drying, make that all coils all bears identical pressure in the single-phase device body, when guaranteeing general assembly the device body compress, compacting, prevent from the product running to cause phenomenons such as the string up and down of line cake is moving because of insulating part contraction etc., guarantee that product has enough Short Circuit withstand dynamic stabilities, product can long-term safety be moved.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the user mode reference diagram of the utility model when device body suit.
Fig. 2 is the user mode reference diagram of the utility model when device body integral body press-fits.
Fig. 3 is the structural representation of the device body locator in the utility model.
Fig. 4 is that the A of Fig. 3 is to view.
1. top boards among the figure, 1-1. inspection opening, 2. strutting piece, 3. device body locator, 3-1. suspender, 3-2. floral disc, 3-3. fixed support, 3-3-1. loop bar, 3-3-2. main supporting rod, 3-3-3. the sub-strut bar, 3-3-4. jury strut, 3-3-5. sliding sleeve, 3-4. fagging, 3-5. main shaft, 3-6. operating grip, 3-7. the chassis, 4. lower platen, 4-1. device body locator installing hole, 5. draw screw rod, 6. go up insulating press boards, 7. descend insulating press boards, 8. clamp nut, 9. pressure cell, 10. base, 11. the upper yoke insulation, the insulation of 12. lower yokes, 13. low-voltage coils, 14. high-tension coil, 15. main empty path insulating parts.
Embodiment
Transformer body integral assembling of the present utility model shown in Fig. 1～4 and compress and use device has top board 1, strutting piece 2, device body locator 3, lower platen 4 and draws screw rod 5, and top board 1 center has inspection opening 1-1.Top board 1 is arranged on the top of the last insulating press boards 6 of transformer body, between the lower surface of the upper surface of the low-voltage coil 13 of transformer body and high-tension coil 14 and upper yoke insulation 11, be provided with pressure cell 9, strutting piece 2 is arranged on the below of the following insulating press boards 7 of transformer body, lower platen 4 is arranged on the below of strutting piece 2, be provided with the top board installing hole around the top board 1, be provided with the lower platen installing hole corresponding to top board installing hole place on the lower platen 4, draw screw rod 5 upper ends to pass the top board installing hole, draw screw rod 5 lower ends to pass the lower platen installing hole, draw screw rod 5 two ends that clamp nut 8 is housed; Lower platen 4 bottoms are welded with base 10, and lower platen 4 centers have device body locator installing hole 4-1, and device body locator 3 bottoms cooperate with device body locator installing hole 4-1.
Shown in Fig. 3～4, device body locator has suspender 3-1, floral disc 3-2, fixed support 3-3, eight fagging 3-4, main shaft 3-5, operating grip 3-6 and chassis 3-7 form, chassis 3-7 cooperates with device body locator installing hole 4-1 on the lower platen 4, fixed support 3-3 has loop bar 3-3-1, one group of main supporting rod 3-3-2, one group of sub-strut bar 3-3-3 and one group of jury strut 3-3-4, loop bar 3-3-1 is sleeved on the main shaft 3-5, an end and the floral disc 3-2 of main supporting rod 3-3-2 are hinged, the upper articulation of the other end and a fagging 3-4, an end and the loop bar 3-3-1 outer ring of sub-strut bar 3-3-3 are hinged, the other end is hinged with a fagging 3-4 respectively, be set with sliding sleeve 3-3-5 on the loop bar 3-3-1, the end of jury strut 3-3-4 and a fagging 3-4 are hinged, the other end of jury strut 3-3-4 and sliding sleeve 3-3-5 are hinged, the pin joint that sub-strut bar 3-3-3 is connected with loop bar 3-3-1 is arranged on the bottom of loop bar 3-3-1, the pin joint that fagging 3-4 is connected with jury strut 3-3-4 is a same point with the pin joint that fagging 3-4 is connected with sub-strut bar 3-3-3, this pin joint is positioned at the middle part of fagging 3-4, operating grip 3-6 is fixedly mounted on the main shaft 3-5, floral disc 3-2 is sleeved on main shaft 3-5 top, floral disc 3-2 is connected with cover plate and dowel fixes with main shaft 3-5, suspender 3-1 is fixedly mounted on floral disc 3-2 upper surface center, fixedlys connected with chassis 3-7 in main shaft 3-5 lower end.
During use, it is in place earlier device body locator 3 to be put into lower platen 4 centers, determines the position of strutting piece 2 and carries out the smoothing of mounting plane according to device body installation diagram then.
To descend insulating press boards 7, lower yoke insulation 12 to be placed in successively on the strutting piece 2.
With the operating grip 3-6 of hand rot body locator 3 bottoms, make the inner ring of insulating press boards 7 and lower yoke insulation 12 under the fagging 3-4 stretching, adjust the mounting center position.
Stir operating grip 3-6 with hand, make fagging 3-4 unclamp insulating press boards 7 and lower yoke insulation 12 down, the suit low-voltage coil 13 then.
Low-voltage coil 13 is hung in lower yoke insulation 12,, make fagging 3-4 stretching low-voltage coil 13 inner rings with hand rotating operation handle 3-6 once more, the center of adjusting low-voltage coil 13 the stay center and the lower yoke of the low-voltage coil 13 12 cushion block centrally aligneds that insulate.
Constrictor body locator fagging 3-4 external diameter assembles the main empty path insulating part 15 between high-tension coil 14 and the low-voltage coil 13 successively, assembling high-tension coil 14 parts such as grade.
Fit on core insulation 11 and last insulating press boards 6.
Put 3～4 pressure cells 9 at low-voltage coil 13 and high-tension coil 14 upper surfaces and the upper yoke pad that insulate between 11 lower surface cushion blocks.
Hang device body locator 3.
Install top board 1 additional, with the single-phase device body that draws screw rod 5 and clamp nut 8 to compress to have assembled.
The single-phase device body that assembles is winched to the compacting machine place carry out entire pressurisation, the pressure size and the time of exerting pressure are undertaken by designing requirement.
After pressurization finished, the go forward side by side Height Adjustment of horizontal high voltage coil 14 or low-voltage coil 13 of the change color situation behind the pressurized of pressure cell 9 of three single-phase device bodies checked was subjected to identical thrust to guarantee all coils.
After device body integral body press-fits the arrangement end, the device body is winched to the assembling of device body use in order to the complete machine assembling with the clean room.
Claims (4)
1. a transformer body integral assembling and compress and use device, it is characterized in that: have top board (1), strutting piece (2), device body locator (3), lower platen (4) and draw screw rod (5), top board (1) is arranged on the top of the last insulating press boards (6) of transformer body, strutting piece (2) is arranged on the below of the following insulating press boards (7) of transformer body, lower platen (4) is arranged on the below of strutting piece (2), top board (1) is provided with has four top board installing holes at least, lower platen (4) is gone up and is provided with the lower platen installing hole corresponding to top board installing hole place, draw screw rod (5) upper end to pass the top board installing hole, draw screw rod (5) lower end to pass the lower platen installing hole, draw screw rod (5) two ends that clamp nut (8) is housed; Lower platen (4) center has device body locator installing hole (4-1), and device body locator (3) bottom cooperates with device body locator installing hole (4-1).
2. transformer body integral assembling according to claim 1 and compress and use device, it is characterized in that: described device body locator (3) has suspender (3-1), floral disc (3-2), fixed support (3-3), fagging (3-4), main shaft (3-5), operating grip (3-6) and chassis (3-7) form, chassis (3-7) cooperates with device body locator installing hole (4-1) on the lower platen (4), fixed support (3-3) has loop bar (3-3-1), one group of main supporting rod (3-3-2) and one group of sub-strut bar (3-3-3), loop bar (3-3-1) is sleeved on the main shaft (3-5), one end of main supporting rod (3-3-2) and floral disc (3-2) are hinged, the other end respectively with the upper articulation of a fagging (3-4), one end of sub-strut bar (3-3-3) and loop bar (3-3-1) outer ring are hinged, the other end is hinged with a fagging (3-4) respectively, the pin joint that sub-strut bar (3-3-3) is connected with loop bar (3-3-1) is arranged on the bottom of loop bar (3-3-1), the pin joint that sub-strut bar (3-3-3) is connected with fagging (3-4) is positioned at the middle and lower part of fagging (3-4), operating grip (3-6) is fixedly mounted on the main shaft (3-5), floral disc (3-2) is sleeved on main shaft (3-5) top, floral disc (3-2) is connected with cover plate and dowel fixes with main shaft (3-5), suspender (3-1) is fixedly mounted on floral disc (3-2) upper surface center, fixedlys connected with chassis (3-7) or be rotationally connected in main shaft (3-5) lower end.
3. transformer body integral assembling according to claim 2 and compress and use device, it is characterized in that: described device body locator (3) also has at least one group of jury strut (3-3-4), be set with sliding sleeve (3-3-5) on the loop bar (3-3-1), one end of jury strut (3-3-4) and a fagging (3-4) are hinged, and the other end of jury strut (3-3-4) is all hinged with sliding sleeve (3-3-5).
4. according to claim 1,2 or 3 described transformer body integral assemblings and compress and use device, it is characterized in that: between the lower surface of the upper surface of the low-voltage coil (13) of transformer body and high-tension coil (14) and upper yoke insulation (11), be provided with pressure cell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200386869U CN201075337Y (en) | 2007-07-20 | 2007-07-20 | Apparatus for integral sheathing and pressing voltage transformer body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200386869U CN201075337Y (en) | 2007-07-20 | 2007-07-20 | Apparatus for integral sheathing and pressing voltage transformer body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075337Y true CN201075337Y (en) | 2008-06-18 |
Family
ID=39520594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200386869U Expired - Fee Related CN201075337Y (en) | 2007-07-20 | 2007-07-20 | Apparatus for integral sheathing and pressing voltage transformer body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075337Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364643A (en) * | 2011-10-09 | 2012-02-29 | 山东电力设备有限公司 | Coil sleeving and locating tool |
| CN104465069A (en) * | 2014-12-10 | 2015-03-25 | 吴江变压器有限公司 | Positioning mould for integral assembling and sleeving of coils |
| CN105826018A (en) * | 2016-06-03 | 2016-08-03 | 李良学 | Anti-overtravel transformer mechanism with guiding and positioning devices and use method of transformer mechanism |
| CN105826028A (en) * | 2016-06-03 | 2016-08-03 | 范爱苏 | Convenient transformer device with guiding and positioning device and using method of transformer device |
| CN110926673A (en) * | 2019-12-02 | 2020-03-27 | 沈阳变压器研究院股份有限公司 | Device for measuring short circuit force of power transformer |
-
2007
- 2007-07-20 CN CNU2007200386869U patent/CN201075337Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364643A (en) * | 2011-10-09 | 2012-02-29 | 山东电力设备有限公司 | Coil sleeving and locating tool |
| CN104465069A (en) * | 2014-12-10 | 2015-03-25 | 吴江变压器有限公司 | Positioning mould for integral assembling and sleeving of coils |
| CN105826018A (en) * | 2016-06-03 | 2016-08-03 | 李良学 | Anti-overtravel transformer mechanism with guiding and positioning devices and use method of transformer mechanism |
| CN105826028A (en) * | 2016-06-03 | 2016-08-03 | 范爱苏 | Convenient transformer device with guiding and positioning device and using method of transformer device |
| CN110926673A (en) * | 2019-12-02 | 2020-03-27 | 沈阳变压器研究院股份有限公司 | Device for measuring short circuit force of power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090109 Address after: Jiangsu province Changzhou City Zhonglou District Qinye road 311, zip code: 213016 Patentee after: Changzhou Huadian Transformer Co., Ltd. Address before: Jiangsu province Changzhou City Zhonglou District Qinye road 311, zip code: 213016 Patentee before: Changzhou Huadian Transformer Works |
|
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU HUADIAN TRANSFORMER CO., LTD. Free format text: FORMER OWNER: CHANGZHOU CITY HUADIAN TRANSFORMER FACTORY Effective date: 20090109 |
|
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU TOSHIBA SHUDIAN TRANSFORMERS CO., LTD. Free format text: FORMER OWNER: CHANGZHOU HUADIAN TRANSFORMER CO., LTD. Effective date: 20090731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090731 Address after: Jiangsu province Changzhou City Zhonglou District Qinye road 311, zip code: 213016 Patentee after: Changzhou TOSHIBA-SHUDIAN Transformer Co.,Ltd. Address before: Jiangsu province Changzhou City Zhonglou District Qinye road 311, zip code: 213016 Patentee before: Changzhou Huadian Transformer Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20120720 |