CN102044348A - Polarity contact bridge apparatus and tap selector - Google Patents
Polarity contact bridge apparatus and tap selector Download PDFInfo
- Publication number
- CN102044348A CN102044348A CN2009101783243A CN200910178324A CN102044348A CN 102044348 A CN102044348 A CN 102044348A CN 2009101783243 A CN2009101783243 A CN 2009101783243A CN 200910178324 A CN200910178324 A CN 200910178324A CN 102044348 A CN102044348 A CN 102044348A
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- polarity
- spring
- mounting bracket
- tap selector
- contact
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Abstract
The present invention discloses a polarity contact bridge apparatus and a tap selector, The polarity contact bridge apparatus comprises a mounting bracket, a spring connected with the mounting bracket and used for providing a contact pressure, an adjusting gasket connected with the spring and used for pressure adjustment, and a plurality of contact bridges connected with the mounting bracket through the adjusting gasket and the spring, wherein there are provided four contact bridges and four shafts, and each contact bridge is arranged on the corresponding shaft through the adjusting gasket and the spring in a penetration manner. The tap selector comprises a commutation insulator bar and an arc panel, and further comprises a polarity static contact fixed on the arc panel, wherein the commutation insulator bar is fixedly provided with the polarity contact bridge apparatus and drives the polarity contact bridge apparatus to contact with the polarity static contact. The polarity contact bridge apparatus and the tap selector have the advantages of simple structure, convenient assembling, stable and reliable running, small moment of inertia and moment of rotation in working process, which effectively ensures the requirement of a heavy current single three phase tap selector.
Description
Technical field
The present invention relates to a kind of polarity and touch Biodge device and tap selector, particularly relate to a kind of polarity that is used for the big electric current of on load tap changer and touch Biodge device and use this polarity to touch the tap selector of Biodge device.
Background technology
The tap selector of on load tap changer can be with or without polarity selector, for the band polarity selector, mechanism just has polarity to touch Biodge device in it.
In the tap selector of existing on load tap changer, touch bridge only to carry the electric current of 600A for the single polarity of separate unit three-phase on load tap changer, if and want to make the bigger purpose that realizes increase-volume of electric current of carrying, make the electric current of carrying reach 800A, 1200A, 1500A, just tap selector must be manufactured single-phase structure, then several groups of identical bridge parallel connections of touching be realized.
If, realize, will the height dimension of tap selector be increased greatly and still adopt 600A to touch the simple parallel connection of bridge utilization in order to make every phase current reach 1200A.The words that are used in combination with three tap selectors, every tap selector touches the bridge parallel connection by 600A, can make the electric current 1200A grade tap selector of phase structure, constitute three-phase structure with three same tap selectors of handling in parallel, can make the casing volume of transformer increase for three tap selectors are packed into fully.
Another kind of existing three-phase tap selector, though every phase current can reach 1200A or above grade, what the tap selector polarity of this kind structure was touched the bridge employing is big supporter, big soft copper sheet, parts stack combinations structures such as sheet are flexible coupling greatly, this structural volume is big, it is big to touch the bridge moment of inertia, guarantee to touch the structural rigidity design that accurately putting in place of bridge just must be strengthened tap selector, tap selector cage structural volume will be increased, weight increases, after this switch was used on the transformer, the measure that the transformer user generally must consider to reinforce was to ensure the reliable installation of tap selector.
Summary of the invention
The objective of the invention is the defective at prior art, provide a kind of polarity to touch Biodge device and tap selector, simple in structure, easy to assembly, stable and reliable operation has effectively ensured the requirement of big electric current separate unit three-phase tap selector.
For achieving the above object, the invention provides a kind of polarity and touch Biodge device, comprising:
Mounting bracket;
Spring is connected with described mounting bracket, is used to provide contact pressure;
Adjust pad, be connected, be used for the pressure adjustment with described spring;
Several touch bridge, are connected with described mounting bracket with spring by described adjustment pad.
Described mounting bracket specifically comprises: support; Rivet is riveted on the described support; Several axles are fixed on the described support, and described several touch bridge and are located on the corresponding described axle by described adjustment pad and spring.Described several touch bridge and are 4 and touch bridge, and described axle is 4 axles, and each described bridge that touches is located on the corresponding described axle by described adjustment pad and spring.
For achieving the above object, the invention provides a kind of tap selector, comprise commutation insulating bar and arc, also comprise:
The polarity fixed contact is fixed on the described arc;
Polarity is touched Biodge device, is fixed on the described commutation insulating bar, and described commutation insulating bar drives described polarity and touches Biodge device and contact with described polarity fixed contact.
Described polarity fixed contact is fastened on the arc by first radome, secondary shielding cover, first packing ring, disk spring and bolt first.Described polarity is touched Biodge device and is anchored on the described commutation insulating bar by second bolt, stopping shim and second packing ring.
Described polarity is touched Biodge device and is specifically comprised: mounting bracket; Spring is connected with described mounting bracket, is used to provide contact pressure; Adjust pad, be connected, be used for the pressure adjustment with described spring; Several touch bridge, are connected with mounting bracket with spring by described adjustment pad, contact with described polarity fixed contact.
Described mounting bracket specifically comprises: support; Rivet is riveted on the described support; Several axles are fixed on the described support, and described several touch bridge and are located on the corresponding described axle by described adjustment pad and spring.Described several touch bridge and are 4 and touch bridge, and described axle is 4 axles, and each described bridge that touches is located on the corresponding described axle by described adjustment pad and spring.
A kind of polarity of the present invention is touched the simple in structure of Biodge device and tap selector, and is easy to assembly, stable and reliable operation, and moment of inertia is little in the course of work, and rotating torque is little, has effectively ensured the requirement of big electric current separate unit three-phase tap selector.
Description of drawings
Fig. 1 touches the cutaway view of Biodge device for polarity of the present invention;
Fig. 2 touches the vertical view of Biodge device for polarity of the present invention;
Fig. 3 touches the cutaway view of the mounting bracket of Biodge device for polarity of the present invention;
Fig. 4 is the structural representation of tap selector of the present invention;
Fig. 5 is the working state structure schematic diagram of tap selector of the present invention;
Fig. 6 touches one of work schematic diagram of bridge dress for the polarity of tap selector of the present invention;
Fig. 7 touch for the polarity of tap selector of the present invention the bridge dress the work schematic diagram two.
Embodiment
Fig. 1 and Fig. 2 touch the cutaway view and the vertical view of Biodge device for polarity of the present invention, and as shown in the figure, polarity of the present invention is touched Biodge device and specifically comprised: mounting bracket 15, spring 16, adjust pad 17 and touch bridge 18.
Fig. 3 touches the cutaway view of the mounting bracket of Biodge device for polarity of the present invention, and as shown in the figure, mounting bracket comprises: support 20, rivet 19 and axle 21.Rivet 19 is riveted on the support 20; Axle 21 is fixed on the support 20, touches bridge 18 and is located on the corresponding axle 21 by adjusting pad 17 and spring 16.
Again as shown in Figure 3, axle 21 is 4 axles 21, more as depicted in figs. 1 and 2, touches bridge 18 and is 4 and touches bridge 18 that each touches bridge 18 and is located on the corresponding axle 21 by adjusting pad 17 and spring 16.
Fig. 4 is the structural representation of tap selector of the present invention, and as shown in the figure, tap selector 1 has polarity selector 2.Fig. 5 is the working state structure schematic diagram of tap selector of the present invention, and as shown in the figure, tap selector of the present invention specifically comprises: commutation insulating bar 3, arc 13, polarity fixed contact 10 and polarity are touched Biodge device 14.Polarity fixed contact 14 is fixed on the arc 13, and polarity is touched Biodge device 14 and is fixed on the commutation insulating bar 3, and commutation insulating bar 3 driving polarity are touched Biodge device 14 and contacted with polarity fixed contact 10.
Again as shown in Figure 5, polarity fixed contact 10 is fastened on the arc 13 by first radome 7, secondary shielding cover 8, first packing ring 9, disk spring 11 and first bolt 12, and is fixed.Polarity is touched Biodge device 14 and is anchored on the commutation insulating bar 3 by second bolt 4, stopping shim 5 and second packing ring 6.
Referring to shown in Fig. 1,2 and 3, polarity is touched Biodge device 14 and is specifically comprised mounting bracket 15, spring 16, adjusts pad 17 and touch bridge 18 again.Mounting bracket 15 comprises support 20, rivet 19 and axle 21.Touch bridge 18 in the present embodiment and have four, divide being assemblied in the mounting bracket 15, axle 21 penetrates the installing hole that touches bridge 18, plays location and guide effect, adjust the pressure adjustment that pad 17 is used to touch bridge 18 and polarity fixed contact 10, spring 16 is provided in to touch the contact pressure of bridge 18 and polarity fixed contact 10.
Touch the pairing of bridge 18 and use, adopted the mode that is arranged side by side of mode as shown in Figure 2, this simple in structure, the compatibilization effect after the parallel connection is also fairly obvious side by side to divide upper and lower each 2, and whole apparatus structure only increases a little volume than conventional switch.
Fig. 6 and Fig. 7 touch the work schematic diagram of bridge dress for the polarity of tap selector of the present invention, as shown in the figure, the polarity that is fixed on commutation insulating bar 3 touch Biodge device 14 under the driving of commutation insulating bar 3 be fixed on arc 13 on the K+ or the K-of polarity fixed contact 10 alternately contact so that K--+ UNICOM or K---UNICOM.And moment of inertia is little in the course of work, and rotating torque is little.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. a polarity is touched Biodge device, it is characterized in that comprising:
Mounting bracket;
Spring is connected with described mounting bracket, is used to provide contact pressure;
Adjust pad, be connected, be used for the pressure adjustment with described spring;
Several touch bridge, are connected with described mounting bracket with spring by described adjustment pad.
2. polarity according to claim 1 is touched Biodge device, it is characterized in that, described mounting bracket specifically comprises:
Support;
Rivet is riveted on the described support;
Several axles are fixed on the described support, and described several touch bridge and are located on the corresponding described axle by described adjustment pad and spring.
3. polarity according to claim 2 is touched Biodge device, it is characterized in that, described several touch bridge and are 4 and touch bridge, and described axle is 4 axles, and each described bridge that touches is located on the corresponding described axle by described adjustment pad and spring.
4. a tap selector is characterized in that comprising commutation insulating bar and arc, it is characterized in that also comprising:
The polarity fixed contact is fixed on the described arc;
Polarity is touched Biodge device, is fixed on the described commutation insulating bar, and described commutation insulating bar drives described polarity and touches Biodge device and contact with described polarity fixed contact.
5. tap selector according to claim 4 is characterized in that, described polarity fixed contact is fastened on the arc by first radome, secondary shielding cover, first packing ring, disk spring and bolt first.
6. tap selector according to claim 4 is characterized in that, described polarity is touched Biodge device and is anchored on the described commutation insulating bar by second bolt, stopping shim and second packing ring.
7. tap selector according to claim 4 is characterized in that, described polarity is touched Biodge device and specifically comprised:
Mounting bracket;
Spring is connected with described mounting bracket, is used to provide contact pressure;
Adjust pad, be connected, be used for the pressure adjustment with described spring;
Several touch bridge, are connected with mounting bracket with spring by described adjustment pad, contact with described polarity fixed contact.
8. tap selector according to claim 7 is characterized in that, described mounting bracket specifically comprises:
Support;
Rivet is riveted on the described support;
Several axles are fixed on the described support, and described several touch bridge and are located on the corresponding described axle by described adjustment pad and spring.
9. tap selector according to claim 8 is characterized in that, described several touch bridge and are 4 and touch bridge, and described axle is 4 axles, and each described bridge that touches is located on the corresponding described axle by described adjustment pad and spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101783243A CN102044348A (en) | 2009-10-16 | 2009-10-16 | Polarity contact bridge apparatus and tap selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101783243A CN102044348A (en) | 2009-10-16 | 2009-10-16 | Polarity contact bridge apparatus and tap selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102044348A true CN102044348A (en) | 2011-05-04 |
Family
ID=43910390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101783243A Pending CN102044348A (en) | 2009-10-16 | 2009-10-16 | Polarity contact bridge apparatus and tap selector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102044348A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071791A1 (en) * | 2012-11-07 | 2014-05-15 | 江山市电器技术开发有限公司 | Strong-current fixed contact device of high-voltage ground switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082453U (en) * | 1990-12-28 | 1991-08-07 | 马延绪 | Compound type branch switch of air load |
| CN2911936Y (en) * | 2006-06-28 | 2007-06-13 | 贵州长征电器股份有限公司 | Semi-enclosed drum-shaped shunting selector |
| CN200944345Y (en) * | 2006-08-07 | 2007-09-05 | 武汉泰普变压器开关有限公司 | Off-circuit positive and negative regulating strip-type tapping switch |
-
2009
- 2009-10-16 CN CN2009101783243A patent/CN102044348A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082453U (en) * | 1990-12-28 | 1991-08-07 | 马延绪 | Compound type branch switch of air load |
| CN2911936Y (en) * | 2006-06-28 | 2007-06-13 | 贵州长征电器股份有限公司 | Semi-enclosed drum-shaped shunting selector |
| CN200944345Y (en) * | 2006-08-07 | 2007-09-05 | 武汉泰普变压器开关有限公司 | Off-circuit positive and negative regulating strip-type tapping switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071791A1 (en) * | 2012-11-07 | 2014-05-15 | 江山市电器技术开发有限公司 | Strong-current fixed contact device of high-voltage ground switch |
| US20150034464A1 (en) * | 2012-11-07 | 2015-02-05 | Jiangshan Electric Technology Development Co., Ltd. | Strong current static contact device for high voltage earthing switches |
| US9384909B2 (en) | 2012-11-07 | 2016-07-05 | Jiangshan Electric Technology Development Co., Ltd. | Strong current static contact device for high voltage earthing switches |
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Application publication date: 20110504 |