CN201927460U - Low-voltage outgoing line terminal board for traction transformer of electric locomotive - Google Patents
Low-voltage outgoing line terminal board for traction transformer of electric locomotive Download PDFInfo
- Publication number
- CN201927460U CN201927460U CN2010206927422U CN201020692742U CN201927460U CN 201927460 U CN201927460 U CN 201927460U CN 2010206927422 U CN2010206927422 U CN 2010206927422U CN 201020692742 U CN201020692742 U CN 201020692742U CN 201927460 U CN201927460 U CN 201927460U
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- CN
- China
- Prior art keywords
- busbar
- electric locomotive
- traction transformer
- external insulation
- ring
- 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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Abstract
The utility model relates to a low-voltage outgoing line terminal board for a traction transformer of an electric locomotive, which is provided with a conducting bar, an external insulating ring and an internal insulating ring, wherein the external insulating ring and the internal insulating ring are arranged outside the conducting bar and are respectively formed by pouring epoxy resin in a vacuum way; and sealing gaskets are arranged at the parts where the upper and the lower end surfaces of the external insulating ring are contacted with the conducting bar and a box cover of the transformer. The low-voltage outgoing line terminal board has the characteristics of being compact in structure, high in mechanical strength, flexible in installation, high in dimensional accuracy, reliable in sealing, long in service life, and the like.
Description
Technical field
The utility model relates to transformer insulated sealing of electric locomotive traction and electric transition element, and specifically a kind of electric locomotive traction transformer is arranged with the low pressure outlet terminal.
Background technology
Low pressure outlet terminal row is the main insulated enclosure and the electric transition element of traction transformer in the electric locomotive, its quality quality will directly influence the output of traction transformer power, the quality of insulated enclosure, and then influence electric locomotive and normally move, the low pressure outlet terminal of electric locomotive traction transformer row adopts insulator version at present, it is big to have density, intensity is low, easily cracked, low precision, shortcomings such as easy to leak, transformer assembles in integral body, need special protection during transportation, not only increase line service, and be to repair in the locomotive, main quality maintenance control point during overhaul.
The utility model content
The installation that exists at electric locomotive traction transformer low voltage outlet terminal row in the prior art and safeguard inconvenient, intensity is low, easy weak point such as cracked, easy to leak, the electric locomotive traction transformer that the technical problems to be solved in the utility model provides a kind of mechanical strength height, compact conformation is with low pressure outlet terminal row.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
External insulation ring and interior dead ring that the utility model electric locomotive traction transformer low voltage outlet terminal row has busbar and is arranged at the busbar outside, wherein external insulation ring, interior dead ring all adopt the epoxide resin vacuum cast to form; External insulation ring upper and lower end face and busbar and transformer case lid contact position are equipped with sealing gasket.
External insulation ring outside is provided with uniform full skirt, and the outside cylindrical shape for linking to each other of interior dead ring cooperates installation with external insulation ring nested type; The busbar upper end is disk and the tabular form that engages with holes, and the bottom is that the end is the double-screw bolt cylindrical shape; The disk of busbar upper end and the periphery of external insulation engagement of loops face are provided with indent formula seal groove, and its cross-sectional cross sectional shape is a rectangle; The busbar bottom is provided with L shaped terminal block, and it is fixing to adopt light pad, spring pad, nut to cooperate, and is equiped with the spline packing ring in the middle of the end nut.
The utlity model has following beneficial effect and advantage:
1. compact conformation, mechanical strength height: inside and outside dead ring of the present utility model adopts the epoxide resin vacuum cast cured explosive to form, nested cooperation is installed, compact conformation, integral body has higher mechanical strength when guaranteeing to use, with not occurring insulation degradation, structural failure phenomenon in the dynamically utilization process of locomotive;
2. flexible for installation, dimensional accuracy is high: dead ring of the present utility model adopts special equipment processing each other and with the casing mating surface, the dimensional accuracy height, assurance has good flatness, fit quality, inner secondary lead wires of convenient, flexible and transformer and equipment output lead are realized the mechanical electric installation, improve the assembly quality of integral device;
3. seal reliable, long service life: the sealing means of the utility model optimal design and reliable fixation, guarantee that transformer integral body has reliable sealing effect, the oil seepage phenomena that becomes flexible, breaks electric in the utilization process can not occur, product can be non-maintaining for a long time, longer service life;
Description of drawings
Fig. 1 is the utility model external structure front view;
Fig. 2 A is the utility model external structure vertical view;
Fig. 2 B is the utility model external structure upward view;
Fig. 3 is the utility model internal structure cutaway view.
Embodiment
Below in conjunction with Figure of description the utility model is further elaborated.
Shown in Fig. 1,2A, 2B, 3, external insulation ring 3 and interior dead ring 4 that the utility model electric locomotive traction transformer has busbar 1 and is arranged at busbar 1 outside with low pressure outlet terminal row, wherein external insulation ring 3, interior dead ring 4 all adopt the epoxide resin vacuum cast to form, with equipment mating surface is up and down processed then, had the good depth of parallelism and bond quality when guaranteeing assembling; External insulation ring 3 upper and lower end faces and busbar 1 and transformer case lid contact position are equipped with sealing gasket 2, not only strengthen the sealing effectiveness with transformer case, and add the function with buffering, prevent to occur in the locomotive operation process loosening mismatch phenomenon.
External insulation ring 3 outsides are provided with uniform full skirt 10, strengthen exposed conducting row insulation distance over the ground; Interior dead ring 4 outside cylindrical shapes for linking to each other cooperate installation with external insulation ring 3 nested types, cooperate and install and reinforced insulation.
Busbar 1 upper end is disk and the tabular form that engages with holes, cooperates to be connected with the cable electrical in low-voltage power supply district, and the bottom is that the end is the double-screw bolt cylindrical shape, the fixed installation of convenience and terminal block; The periphery on the disk of busbar 1 upper end and external insulation ring 3 composition surfaces is provided with indent formula seal groove 11, and its cross-sectional cross sectional shape is a rectangle, uses as the sealing of sealing gasket location; Busbar 1 bottom is provided with L shaped terminal block 8, and the electricapparatus that is convenient to the transformer secondary lead-in wire connects, and it is fixing to adopt light pad 5, spring pad 6, nut 7 to cooperate, and is equiped with spline packing ring 9 in the middle of the end nut 7, prevents to occur in the locomotive operation process loosening phenomenon.The utility model integral body integral structure that is assembled.
When installing and using, earlier several low pressure outlet terminals are fixed on the transformer secondary end casing successively, form an overall structure, and then fix with the transformer case lid, each low-voltage terminal linkage editor is identical, have circular port on the secondary terminals cover plate, the circular port periphery is processed with seal groove, earlier sealing gasket is embedded dead ring 4, external insulation ring 3, sealing gasket 2, busbar 1, nut 7 etc. in installing successively then, the supporting spline packing ring 9 of installing was in addition fastening when terminal block 8 was installed, and prevented to become flexible.Last again transformer secondary the lead-in wire realizes that with the terminal block 8 of low pressure outlet terminal mechanical electrics are connected, and this process is a master operation in the traction transformer of locomotive assembling process.
The utility model electric locomotive traction transformer is a kind of new product according to national electric railway standard design with low-voltage terminal row.The dead ring main body adopts the epoxide resin vacuum cast to form, make its integral body have the strong height of machinery, compact conformation, flexible for installation, advantages such as dimensional accuracy is high, good airproof performance, guarantee that defectives such as oil leakage can not appear in transformer integral body in the locomotive operation process, the further perfect design of electric locomotive traction transformer.
Claims (5)
1. an electric locomotive traction transformer low voltage outlet terminal is arranged, it is characterized in that: have busbar (1) and be arranged at busbar (1) outside external insulation ring (3) and interior dead ring (4), wherein external insulation ring (3), interior dead ring (4) all adopt the epoxide resin vacuum cast to form; External insulation ring (3) upper and lower end face and busbar (1) and transformer case lid contact position are equipped with sealing gasket (2).
2. by the described electric locomotive traction transformer low voltage of claim 1 outlet terminal row, it is characterized in that: external insulation ring (3) outside is provided with uniform full skirt (10), the outside cylindrical shape for linking to each other of interior dead ring (4) cooperates installation with external insulation ring (3) nested type.
3. by the described electric locomotive traction transformer low voltage of claim 1 outlet terminal row, it is characterized in that: busbar (1) upper end is disk and the tabular form that engages with holes, and the bottom is that the end is the double-screw bolt cylindrical shape.
4. by the described electric locomotive traction transformer low voltage of claim 1 outlet terminal row, it is characterized in that: the disk of busbar (1) upper end and the periphery on external insulation ring (3) composition surface are provided with indent formula seal groove (11), and its cross-sectional cross sectional shape is a rectangle.
5. by the described electric locomotive traction transformer low voltage of claim 1 outlet terminal row, it is characterized in that: busbar (1) bottom is provided with L shaped terminal block (8), it is fixing to adopt light pad (5), spring pad (6), nut (7) to cooperate, and is equiped with spline packing ring (9) in the middle of the end nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206927422U CN201927460U (en) | 2010-12-30 | 2010-12-30 | Low-voltage outgoing line terminal board for traction transformer of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206927422U CN201927460U (en) | 2010-12-30 | 2010-12-30 | Low-voltage outgoing line terminal board for traction transformer of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927460U true CN201927460U (en) | 2011-08-10 |
Family
ID=44431297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206927422U Expired - Fee Related CN201927460U (en) | 2010-12-30 | 2010-12-30 | Low-voltage outgoing line terminal board for traction transformer of electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927460U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360815A (en) * | 2011-09-23 | 2012-02-22 | 四川省电力公司乐山电业局 | Low-voltage side outgoing line connecting mechanism of 10kV transformer |
| CN103325541A (en) * | 2013-05-27 | 2013-09-25 | 中电电气(江苏)股份有限公司 | Transformer tapping board device |
-
2010
- 2010-12-30 CN CN2010206927422U patent/CN201927460U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360815A (en) * | 2011-09-23 | 2012-02-22 | 四川省电力公司乐山电业局 | Low-voltage side outgoing line connecting mechanism of 10kV transformer |
| CN103325541A (en) * | 2013-05-27 | 2013-09-25 | 中电电气(江苏)股份有限公司 | Transformer tapping board 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 |
Granted publication date: 20110810 Termination date: 20191230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |