CN201590341U - Extraction-type contact contacting structure of on-load tap-changer - Google Patents
Extraction-type contact contacting structure of on-load tap-changer Download PDFInfo
- Publication number
- CN201590341U CN201590341U CN2009202795296U CN200920279529U CN201590341U CN 201590341 U CN201590341 U CN 201590341U CN 2009202795296 U CN2009202795296 U CN 2009202795296U CN 200920279529 U CN200920279529 U CN 200920279529U CN 201590341 U CN201590341 U CN 201590341U
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- contact
- load tap
- pull
- diverter switch
- conductive clip
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Abstract
The utility model discloses an extraction-type contact contacting structure of an on-load tap-changer, which comprises a conductive current-carrying contact on a changeover switch body and a static contact on a changeover switch oil chamber, wherein the conductive current-carrying contact on the changeover switch body and the static contact on the changeover switch oil chamber are in contact with each other and conduct electricity. The static contact comprises a bracket, a main current-carrying contact terminal, a retaining gasket and a conductive clamp, wherein the bracket is installed on the changeover switch oil chamber; and the main current-carrying contact terminal, the retaining gasket and the conductive clamp are connected and tightly fixed to the bracket through bolts. A conductive current-carrying static contact of the extraction-type contact contacting structure of the on-load tap-changer is assembled on a platy insulating rod, and a button contact is installed on the changeover switch oil chamber, so that the structure is simple, the size of the contact contacting structure is completely less than that of an opening formed in a flange so as to ensure that the changeover switch body can be hoisted and assembled easily, and the cylindrical surface of the opening formed in the flange cannot be damaged; and the quality is ensured.
Description
Technical field
The utility model relates to a kind of pull-out type contact contact structures of on load tap changer, relates in particular to a kind of simple and easy pull-out type contact contact structures.
Background technology
In existing on load tap changer, diverter switch is divided switching Switch main body and diverter switch grease chamber two parts, the diverter switch body is contained in the diverter switch grease chamber, its both contact current-carrying part is commonly called pull-out type contact contact structures, existing pull-out type contact contact structures comprise establishes fixing conduction current-carrying fixed contact in the grease chamber, the diverter switch body is provided with the button contact, and the current-carrying of electric current is contacting by the conduction current-carrying fixed contact in the button contact on the diverter switch body and the grease chamber; This kind structure of part switch is used for the transition branch road of transient current.
In the prior art, because in the time of in the diverter switch body is packed the diverter switch grease chamber into, the contact friction on the button contact and the fuel tank flange inner opening face of cylinder will inevitably take place, may cause the damage of the flange inner opening face of cylinder thus, stay the many places dent mark, also may cause the button contact of switch to be bruised, to bump situation askew or that damage simultaneously, thereby have to do over again, influence the production cycle of product, increase production cost.
The utility model content
The purpose of this utility model is the defective at prior art, and a kind of pull-out type contact contact structures of on load tap changer are provided, and situation about can damage has not guaranteed quality, has reduced cost.
For achieving the above object, the utility model provides a kind of pull-out type contact contact structures of on load tap changer, comprise conduction current carrying contact on the diverter switch body and the fixed contact in the diverter switch grease chamber, the conduction current carrying contact on the described diverter switch body contacts conduction with fixed contact in the described diverter switch grease chamber.
Constitute pull-out type contact contact structures by fixed contact and conduction current carrying contact.
Described fixed contact is specially odd number stationary contact, even numbers fixed contact and neutral point fixed contact.Described fixed contact comprises: support is installed in the described diverter switch grease chamber; Main current carrying contact, floor clip and conductive clip all are fastened on the described support by the bolt connection.Described conductive clip comprises: the conductive clip body is fixed on the described support; Contact is flexible coupling, and is connected with described conductive clip body by spring; Screw is connected with described conductive clip body with spring washer by packing ring.Described contact is flexible coupling and comprises: guiding trestle is connected with described conductive clip body; The line that is flexible coupling is connected with described guiding trestle; The button contact is connected with the line that is flexible coupling with described guiding trestle.
Also have insulating bar on the described diverter switch body, described conduction current carrying contact is fixed on the described insulating bar.Described insulating bar specifically comprises: the insulating bar body; Contact is fixed on the described insulating bar body by screw and nut.
The conduction current-carrying fixed contact of the pull-out type contact contact structures of on load tap changer of the present utility model is assemblied on the tabular insulating bar, the button contact is installed in the diverter switch grease chamber, therefore simple in structure, its appearance profile size is fully less than the flange inner opening, diverter switch body easily lifting and assembling have been guaranteed, and do not damage the flange inner opening face of cylinder, and guaranteed quality, reduced cost.
Description of drawings
Fig. 1 is the vertical view of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 2 is the front view of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 3 is the schematic diagram of odd number fixed contact of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 4 is the schematic diagram of even numbers fixed contact of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 5 is the schematic diagram of neutral point fixed contact of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 6 is the schematic diagram of first conductive clip of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 7 is the schematic diagram of second conductive clip of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 8 is the cutaway view of first conductive clip of the pull-out type contact contact structures of the utility model on load tap changer;
Fig. 9 is the cutaway view of second conductive clip of the pull-out type contact contact structures of the utility model on load tap changer;
Figure 10 is the schematic diagram that the contact of the pull-out type contact contact structures of the utility model on load tap changer is flexible coupling;
Figure 11 is the schematic diagram of insulating bar of the pull-out type contact contact structures of the utility model on load tap changer.
Embodiment
The pull-out type contact contact structures of on load tap changer of the present utility model adopt and existing opposite way, with the button contact design to the fixed contact of diverter switch grease chamber, the current-carrying fixed contact that will conduct electricity is designed on the diverter switch body, has solved prior art problems thus.The simple and easy pull-out type contact contact structures of the pull-out type contact contact structures of on load tap changer of the present utility model are mainly used in the moment handoff leg current-carrying of diverter switch, long-time bearing transformer current not, so, the transient current that the utility model can pass through can be done very greatly, and its useful life can be very long.
Fig. 1 and Fig. 2 are the vertical view and the front view of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, the pull-out type contact contact structures of on load tap changer of the present utility model comprise fixed contact in the diverter switch grease chamber 4 and the conduction current carrying contact on the diverter switch body 5.Fixed contact in the diverter switch grease chamber 4 specifically comprises odd number fixed contact 1, even numbers fixed contact 2, neutral point fixed contact 7.Wherein odd number fixed contact 1, even numbers fixed contact 2 are located at upper/lower positions, neutral point fixed contact 7 is located at the position, have first insulating bar 3 and second insulating bar 6 on the diverter switch body 5, two insulating bars are provided with, when the assembling of diverter switch body hangs in the diverter switch grease chamber, the conduction current carrying contact will contact with the button contact on two insulating bars, be electrically connected with the handoff leg that realizes the utility model on load tap changer.
Fig. 3 is the schematic diagram of odd number fixed contact of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, has odd number main current carrying contact 8, first support 10, first floor clip 11 and first conductive clip 13 on the odd number fixed contact.First support 10 is mounted in the diverter switch grease chamber, and odd number main current carrying contact 8, first floor clip 11 and first conductive clip 13 all are connected by first bolt 12 and are fastened on first support 10.
Fig. 4 is the schematic diagram of even numbers fixed contact of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, has even numbers main current carrying contact 9, first support 10, first floor clip 11 and first conductive clip 13 on the even numbers fixed contact.First support 10 is mounted in the diverter switch grease chamber, and even numbers main current carrying contact 9, first floor clip 11 and first conductive clip 13 all are connected by first bolt 12 and are fastened on first support 10.
Wherein first conductive clip 13 is interim conductive carriers of the utility model on load tap changer, odd number main current carrying contact 8 or even numbers main current carrying contact 9, first support 10 is long-term and interim current carrying contacts, when diverter switch is not switched, odd number main current carrying contact 8 or even numbers main current carrying contact 9, what first support 10 carried is running current, when diverter switch is switched, odd number main current carrying contact 8 or even numbers main current carrying contact 9, the interim electric current that 10 carryings of first support are come by 13 conduction of first conductive clip, and this process has only several seconds, afterwards, handoff procedure finishes, odd number main current carrying contact 8 or even numbers main current carrying contact 9, first support 10 is the long-time bearing running current again, up to diverter switch change action next time.
Fig. 5 is the schematic diagram of neutral point fixed contact of the pull-out type contact contact structures of the utility model on load tap changer, and as shown in the figure, the neutral point fixed contact comprises second conductive clip 14, second support 15, neutral point main current carrying contact 18 and second floor clip 16.Second support 15 is mounted in the diverter switch grease chamber, and neutral point main current carrying contact 18, second floor clip 16 and second conductive clip 14 all are connected by second bolt 17 and are fastened on second support 15.
Wherein second conductive clip 14 is interim conductive carriers of the utility model on load tap changer, neutral point main current carrying contact 18, second support 15 is long-term and interim current carrying contacts, when diverter switch is not switched, second main current carrying contact 18, what second support 15 carried is running current, when diverter switch is switched, second main current carrying contact 18, the interim electric current that 15 carryings of second support are come by 14 conduction of second conductive clip, and this process has only several seconds, afterwards, handoff procedure finishes, neutral point main current carrying contact 18, second support 15 is the long-time bearing running current again, up to diverter switch change action next time.
Fig. 6 and Fig. 8 are the schematic diagram and the cutaway view of first conductive clip of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, first conductive clip comprises spring 19, contact be flexible coupling 20, the first conductive clip body 21, packing ring 23, spring washer 24 and screw 25.The first conductive clip body 21 is fixed on the support, and contact is flexible coupling and 20 is connected with the first conductive clip body 21 by spring 19, and screw 25 is connected with the first conductive clip body 21 with spring washer 24 by packing ring 23.
Fig. 7 and Fig. 9 are the schematic diagram and the cutaway view of second conductive clip of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, second conductive clip comprises spring 19, contact be flexible coupling 20, the second conductive clip body 22, packing ring 23, spring washer 24, screw 25.The second conductive clip body 22 is fixed on the support, and contact is flexible coupling and 20 is connected with the second conductive clip body 22 by spring 19, and screw 25 is connected with the second conductive clip body 22 with spring washer 24 by packing ring 23.
Figure 10 is the schematic diagram that the contact of the pull-out type contact contact structures of the utility model on load tap changer is flexible coupling, as shown in the figure, contact is flexible coupling and comprises the line 26 that is flexible coupling, guiding trestle 27 and button contact 28, is formed by the line 26 that is flexible coupling, guiding trestle 27,28 riveted joints of button contact.
Figure 11 is the schematic diagram of insulating bar of the pull-out type contact contact structures of the utility model on load tap changer, as shown in the figure, first insulating bar and second insulating bar include insulating bar body 29, screw 30, nut 31, first contact 32, first contact 33, screw 34 compositions.First contact 32 and first contact 33 are fixed on the insulating bar body 29 by screw 30 and nut 31.
First insulating bar and second insulating bar are assemblied on the diverter switch body, they be the support component of diverter switch body be again the link of the interim branch road of diverter switch body and diverter switch grease chamber.First contact 32 and second contact 33 by with being connected of diverter switch body interior handoff leg, form a whole with diverter switch, simultaneously, by contacting of first contact 32 and second contact 33 and button contact, the interim electric current that obtains on it is passed carry to grease chamber's odd number fixed contact and grease chamber's even numbers fixed contact.
Referring to Fig. 6,7,8,9, shown in 10 and 11, spring 19 is contained in guiding trestle 27 inside grooves, guiding trestle 27 is provided with omoplate simultaneously, this omoplate contacts with the endoporus groove of the first conductive clip body 21 or the second conductive clip body 22, can guarantee that spring 19 assemblings finish, initial pressure on the spring 19 reaches preset value, simultaneously, the external cylindrical surface of guiding trestle 27 can move in the endoporus of the first conductive clip body 21 and the second conductive clip body 22, prevent the button contact 28 crooked deflections on the guiding trestle 27, can guarantee that so, then button contact 28 contacts with second the reliable of contact 33 with first contact 32.
When diverter switch is switched, the electric current that passes through on first conductive clip 13 and second conductive clip 14 is to obtain from first contact 32 and second contact 33 on first insulating bar 3 or second insulating bar 6 by button contact 28 temporarily, then, button contact 28 should interim electric current biography carry to the first conductive clip body 21 and the second conductive clip body 22 by the line 26 that is flexible coupling, afterwards, interim electric current passes the connection branch road that carries to next stage by odd number main current carrying contact 8, even numbers main current carrying contact 9 or neutral point main current carrying contact 18.
Button contact of the present utility model is contained in first conductive clip and second conductive clip of special construction, this first conductive clip reliably is connected by standard component with the fixed contact of second conductive clip with the diverter switch grease chamber, establish pilot hole in first conductive clip and second conductive clip, the back-moving spring installing hole can effectively guarantee the back-moving spring installation, guaranteeing can have default reliable initial pressure after the button contact is by normal compression, the button contact is riveted on the soft copper sheet of multi-disc stack, and the soft copper sheet and first conductive clip and second conductive clip are fastenedly connected with standard component.
The conduction current-carrying fixed contact of the pull-out type contact contact structures of on load tap changer of the present utility model is assemblied on the tabular insulating bar, simple in structure, its appearance profile size is fully less than the flange inner opening, guarantee diverter switch body easily lifting and assembling, and do not damaged the flange inner opening face of cylinder.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (7)
1. the pull-out type contact contact structures of an on load tap changer, it is characterized in that comprising: conduction current carrying contact on the diverter switch body and the fixed contact in the diverter switch grease chamber, the conduction current carrying contact on the described diverter switch body contacts conduction with fixed contact in the described diverter switch grease chamber.
2. the pull-out type contact contact structures of on load tap changer according to claim 1 is characterized in that, described fixed contact is specially odd number stationary contact, even numbers fixed contact and neutral point fixed contact.
3. the pull-out type contact contact structures of on load tap changer according to claim 1 is characterized in that described fixed contact comprises:
Support is installed in the described diverter switch grease chamber;
Main current carrying contact, floor clip and conductive clip all are fastened on the described support by the bolt connection.
4. the pull-out type contact contact structures of on load tap changer according to claim 3 is characterized in that described conductive clip comprises:
The conductive clip body is fixed on the described support;
Contact is flexible coupling, and is connected with described conductive clip body by spring;
Screw is connected with described conductive clip body with spring washer by packing ring.
5. the pull-out type contact contact structures of on load tap changer according to claim 4 is characterized in that described contact is flexible coupling and comprises:
Guiding trestle is connected with described conductive clip body;
The line that is flexible coupling is connected with described guiding trestle;
The button contact is connected with the line that is flexible coupling with described guiding trestle.
6. the pull-out type contact contact structures of on load tap changer according to claim 1 is characterized in that, also have insulating bar on the described diverter switch body, and described conduction current carrying contact is fixed on the described insulating bar.
7. the pull-out type contact contact structures of on load tap changer according to claim 6 is characterized in that described insulating bar specifically comprises:
The insulating bar body;
Contact is fixed on the described insulating bar body by screw and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202795296U CN201590341U (en) | 2009-11-06 | 2009-11-06 | Extraction-type contact contacting structure of on-load tap-changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202795296U CN201590341U (en) | 2009-11-06 | 2009-11-06 | Extraction-type contact contacting structure of on-load tap-changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590341U true CN201590341U (en) | 2010-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202795296U Expired - Lifetime CN201590341U (en) | 2009-11-06 | 2009-11-06 | Extraction-type contact contacting structure of on-load tap-changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201590341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394877A (en) * | 2013-08-12 | 2013-11-20 | 贵州长征电力设备有限公司 | Technology for machining fixed contact of on-load tap-changer |
-
2009
- 2009-11-06 CN CN2009202795296U patent/CN201590341U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394877A (en) * | 2013-08-12 | 2013-11-20 | 贵州长征电力设备有限公司 | Technology for machining fixed contact of on-load tap-changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUIZHOU CHANGZHENG ELECTRIC CO., LTD. Free format text: FORMER NAME: GUIZHOU CHANGZHENG POWER EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 563002, No. 1, Wuhan Road, Huichuan District, Guizhou, Zunyi Patentee after: GUIZHOU CHANGZHENG ELECTRIC CO., LTD. Address before: 563002 No. 151, Shanghai Road, Zunyi, Guizhou, Huichuan District Patentee before: Guizhou Changzheng Power Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |