CN205092162U - Multistage positive and negative accent on -load tap -changer selector and on -load tap -changer - Google Patents
Multistage positive and negative accent on -load tap -changer selector and on -load tap -changer Download PDFInfo
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- CN205092162U CN205092162U CN201520615041.1U CN201520615041U CN205092162U CN 205092162 U CN205092162 U CN 205092162U CN 201520615041 U CN201520615041 U CN 201520615041U CN 205092162 U CN205092162 U CN 205092162U
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Abstract
The utility model discloses a multistage positive and negative accent on -load tap -changer selector and on -load tap -changer, including positive and negative accent polarity selector and tap selector, its positive and negative accent polarity selector and tap selector adopt twin columns to be listed as formula parallel distribution. The utility model discloses a tap selector can increase shunting shelves number on request, satisfies the requirement that the electric stove becomes among the the smelting process technology and product quality.
Description
Technical field
The utility model includes on-load shunting switch technical field, particularly multistage positive and negative tune on load tap changer selector and on load tap changer.
Background technology
Combined loaded tap-changer is divided into two parts, i.e. diverter switch and selector.And conventional positive and negative tune on load tap changer can only accomplish at most 35 gears (± 17), the requirement that electric furnace becomes technique and product quality in smelting process can not be met.
Utility model content
One of technical problem to be solved in the utility model is cannot meet the problem of the requirement of technique and product quality in electric furnace change smelting process for existing combined loaded tap-changer and provide a kind of multistage positive and negative tune on load tap changer selector.
Two of technical problem to be solved in the utility model is to provide a kind of combined loaded tap-changer using above-mentioned multistage positive and negative tune on load tap changer selector.
As the multistage positive and negative tune on load tap changer selector of the utility model first aspect, comprise positive and negative tune polarity selector and tap selector, it is characterized in that, described positive and negative tune polarity selector adopts the parallel distribution of twin columns column with tap selector.
In a preferred embodiment of the present utility model, described positive and negative tune polarity selector and tap selector are installed between upper and lower base by respective upper and lower flange.
In a preferred embodiment of the present utility model, described tap selector comprises a tap selector moving contact gyroaxis, described positive and negative tune polarity selector comprises a positive and negative tune polarity selector moving contact gyroaxis, be fixed with in the upper end of described tap selector moving contact gyroaxis the slot poking ware that follows tap selector moving contact gyroaxis synchronous revolving, described slot poking ware be configured with a finger, the pivotal gear of a drive positive and negative tune polarity selector moving contact gyroaxis is fixed with in the upper end of described positive and negative tune polarity selector moving contact gyroaxis, on described upper bed-plate, axle is provided with a middle transition intermittent rotating mechanism, described middle transition intermittent rotating mechanism comprises an axle and is located at the rotating shaft on described upper bed-plate and is configured with middle transition slot poking ware, the sector gear in rotating shaft, and described middle transition slot poking ware is configured with finger groove, when needs carry out the selection of positive and negative tune polarity, described tap selector moving contact gyroaxis drives the slot poking ware finger returned back on it to dial on described middle transition slot poking ware in finger groove, described middle transition slot poking ware is driven to turn round, middle transition slot poking ware drives sector gear revolution by rotating shaft, sector gear returns back to and described gear engagement position, drive described positive and negative tune polarity selector moving contact gyroaxis revolution, pivotal positive and negative tune polarity selector moving contact gyroaxis drives positive and negative tune polarity selector moving contact fixed thereon to carry out the switching of positive and negative tune polarity.
In a preferred embodiment of the present utility model, the positive and negative tune polarity selector moving contact of four point cantact before and after described positive and negative tune polarity selector moving contact adopts.
In a preferred embodiment of the present utility model, the positive and negative tune polarity selector moving contact of described front and back four point cantact comprises, lower positive and negative tune polarity selector moving contact sheet, on described, it is front upper that the front end of lower positive and negative tune polarity selector moving contact sheet is provided with the electrical contact of positive and negative tune polarity selector fixed contact, lower contact point, on, the rear end of lower positive and negative tune polarity selector moving contact sheet be provided with the electrical contact of positive and negative tune polarity selector neutral conductive ring rear on, lower contact point, on, the mid portion of lower positive and negative tune polarity selector moving contact sheet is connected by securing member.
In a preferred embodiment of the present utility model, described tap selector moving contact gyroaxis sets firmly by the tap selector moving contact of following tap selector moving contact gyroaxis synchronous revolving, each tap selector moving contact adopts narrow shape moving contact.
As combined loaded tap-changer of the present utility model, comprise aforesaid multistage positive and negative tune on load tap changer selector and shunting switch, described shunting switch is positioned at the top of described tap selector, and described tap selector drives described shunting switch to switch.
Owing to have employed technical scheme as above, by the transmission of middle sector gear, pull open the distance between positive and negative tune polarity selector and tap selector, positive and negative tune polarity selector and tap selector is made to be provided with rational structure space, form positive and negative tune polarity selector and the distribution of tap selector two colonnade, tap selector can increase tap gear number on request, meets the requirement that electric furnace becomes technique and product quality in smelting process.
Accompanying drawing explanation
Fig. 1 is multistage positive and negative tune on load tap changer schematic diagram of the present utility model.
Fig. 2 is multistage positive and negative tune on load tap changer selector structure schematic diagram of the present utility model.
Fig. 3 is the structural representation after multistage positive and negative tune on load tap changer selector of the present utility model removes the seat of honour.
Fig. 4 is positive and negative tune polarity selector in multistage positive and negative tune on load tap changer selector of the present utility model and transmission schematic diagram between tap selector.
Fig. 5 is the schematic diagram of positive and negative tune polarity selector moving contact four point cantact in the positive and negative tune polarity selector of multistage positive and negative tune on load tap changer selector of the present utility model.
Fig. 6 is the tap selector moving contact structure schematic diagram in the tap selector of multistage positive and negative tune on load tap changer selector of the present utility model.
Embodiment
See Fig. 1 and Fig. 2, the combined loaded tap-changer provided in figure, comprise shunting switch 100 and multistage positive and negative tune on load tap changer selector 200, multistage positive and negative tune on load tap changer selector 200 comprise upper and lower base 210,220, positive and negative tune polarity selector 230 and tap selector 240, positive and negative tune polarity selector 230 and tap selector 240 are adopted the parallel distribution of twin columns column and are installed between upper and lower base 210,220 by respective upper and lower flange 231,232,241,242.
Shunting switch 100 is positioned at the top of tap selector 240, and tap selector 240 drives shunting switch 100 to switch.
See Fig. 3 and Fig. 4, tap selector 240 comprises a tap selector moving contact gyroaxis 243, positive and negative tune polarity selector 230 comprises a positive and negative tune polarity selector moving contact gyroaxis 233, be fixed with in the upper end of tap selector moving contact gyroaxis 243 slot poking ware 244 that follows tap selector moving contact gyroaxis 243 synchronous revolving, slot poking ware 244 be configured with a finger 245.
The pivotal gear 234 of a drive positive and negative tune polarity selector moving contact gyroaxis 233 is fixed with in the upper end of positive and negative tune polarity selector moving contact gyroaxis 233; On upper bed-plate 210, axle is provided with a middle transition intermittent rotating mechanism 250.
Middle transition intermittent rotating mechanism 250 comprises middle transition slot poking ware 252, the sector gear 253 that an axle is located at the rotating shaft 251 on upper bed-plate 210 and is configured with in rotating shaft 251, middle transition slot poking ware 251 is configured with finger groove 254.
When needs carry out the selection of positive and negative tune polarity, tap selector moving contact gyroaxis 243 drives slot poking ware 244 finger 245 returned back on it to dial in the finger groove 254 on middle transition slot poking ware 252, middle transition slot poking ware 252 is driven to turn round, middle transition slot poking ware 252 drives sector gear 253 to turn round by rotating shaft 251, sector gear 253 returns back to and gear 234 position of engagement, positive and negative tune polarity selector moving contact gyroaxis 233 is driven to turn round, pivotal positive and negative tune polarity selector moving contact gyroaxis 233 drives positive and negative tune polarity selector moving contact fixed thereon to carry out the switching of positive and negative tune polarity.
The combined loaded tap-changer provided in figure is by the transmission of middle sector gear 253, pull open the distance between positive and negative tune polarity selector 230 and tap selector 240, positive and negative tune polarity selector 230 and tap selector 240 is made to be provided with rational structure space, form positive and negative tune polarity selector 230 and tap selector 240 liang of colonnade distributions, tap selector 240 can increase tap gear number on request, meets the requirement that electric furnace becomes technique and product quality in smelting process.
See Fig. 5, the positive and negative tune polarity selector moving contact 235 of four point cantact before and after positive and negative tune polarity selector moving contact adopts, to ensure contact accurate positioning, contact is good, and conductive capability is strong.
The positive and negative tune polarity selector moving contact 235 of front and back four point cantact comprises, lower positive and negative tune polarity selector moving contact sheet 235a, 235b, on, lower positive and negative tune polarity selector moving contact sheet 235a, it is front upper that the front end of 235b is provided with the electrical contact of positive and negative tune polarity selector fixed contact 236, lower contact point 235aa, 235ba, on, lower positive and negative tune polarity selector moving contact sheet 235a, the rear end of 235b be provided with the electrical contact of positive and negative tune polarity selector neutral conductive ring 237 rear on, lower contact point 235ab, 235bb, on, lower positive and negative tune polarity selector moving contact sheet 235a, the mid portion of 235b is connected by securing member.
Tap selector moving contact gyroaxis 243 sets firmly by the tap selector moving contact of following tap selector moving contact gyroaxis 243 synchronous revolving, see Fig. 6, each tap selector moving contact 246 adopts narrow property moving contact, can reduce the diameter dimension of tap selector 240.
Claims (7)
1. multistage positive and negative tune on load tap changer selector, comprises positive and negative tune polarity selector and tap selector, it is characterized in that, described positive and negative tune polarity selector adopts the parallel distribution of twin columns column with tap selector.
2. multistage positive and negative tune on load tap changer selector as claimed in claim 1, it is characterized in that, described positive and negative tune polarity selector and tap selector are installed between upper and lower base by respective upper and lower flange.
3. multistage positive and negative tune on load tap changer selector as claimed in claim 2, it is characterized in that, described tap selector comprises a tap selector moving contact gyroaxis, described positive and negative tune polarity selector comprises a positive and negative tune polarity selector moving contact gyroaxis, be fixed with in the upper end of described tap selector moving contact gyroaxis the slot poking ware that follows tap selector moving contact gyroaxis synchronous revolving, described slot poking ware be configured with a finger, the pivotal gear of a drive positive and negative tune polarity selector moving contact gyroaxis is fixed with in the upper end of described positive and negative tune polarity selector moving contact gyroaxis, on described upper bed-plate, axle is provided with a middle transition intermittent rotating mechanism, described middle transition intermittent rotating mechanism comprises an axle and is located at the rotating shaft on described upper bed-plate and is configured with middle transition slot poking ware, the sector gear in rotating shaft, and described middle transition slot poking ware is configured with finger groove, when needs carry out the selection of positive and negative tune polarity, described tap selector moving contact gyroaxis drives the slot poking ware finger returned back on it to dial on described middle transition slot poking ware in finger groove, described middle transition slot poking ware is driven to turn round, middle transition slot poking ware drives sector gear revolution by rotating shaft, sector gear returns back to and described gear engagement position, drive described positive and negative tune polarity selector moving contact gyroaxis revolution, pivotal positive and negative tune polarity selector moving contact gyroaxis drives positive and negative tune polarity selector moving contact fixed thereon to carry out the switching of positive and negative tune polarity.
4. multistage positive and negative tune on load tap changer selector as claimed in claim 3, is characterized in that, the positive and negative tune polarity selector moving contact of four point cantact before and after described positive and negative tune polarity selector moving contact adopts.
5. multistage positive and negative tune on load tap changer selector as claimed in claim 4, it is characterized in that, the positive and negative tune polarity selector moving contact of described front and back four point cantact comprises, lower positive and negative tune polarity selector moving contact sheet, on described, it is front upper that the front end of lower positive and negative tune polarity selector moving contact sheet is provided with the electrical contact of positive and negative tune polarity selector fixed contact, lower contact point, on, the rear end of lower positive and negative tune polarity selector moving contact sheet be provided with the electrical contact of positive and negative tune polarity selector neutral conductive ring rear on, lower contact point, on, the mid portion of lower positive and negative tune polarity selector moving contact sheet is connected by securing member.
6. multistage positive and negative tune on load tap changer selector as claimed in claim 5, it is characterized in that, described tap selector moving contact gyroaxis sets firmly by the tap selector moving contact of following tap selector moving contact gyroaxis synchronous revolving, each tap selector moving contact adopts narrow shape moving contact.
7. combined loaded tap-changer, it is characterized in that, comprise the multistage positive and negative tune on load tap changer selector described in any one of claim 1 to 6 claim and shunting switch, described shunting switch is positioned at the top of described tap selector, and described tap selector drives described shunting switch to switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615041.1U CN205092162U (en) | 2015-08-14 | 2015-08-14 | Multistage positive and negative accent on -load tap -changer selector and on -load tap -changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615041.1U CN205092162U (en) | 2015-08-14 | 2015-08-14 | Multistage positive and negative accent on -load tap -changer selector and on -load tap -changer |
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| Publication Number | Publication Date |
|---|---|
| CN205092162U true CN205092162U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520615041.1U Active CN205092162U (en) | 2015-08-14 | 2015-08-14 | Multistage positive and negative accent on -load tap -changer selector and on -load tap -changer |
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| CN (1) | CN205092162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050020A (en) * | 2021-11-02 | 2022-02-15 | 国网四川省电力公司雅安供电公司 | On-load tap-changer with linkage of gear switching and polarity switching |
-
2015
- 2015-08-14 CN CN201520615041.1U patent/CN205092162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050020A (en) * | 2021-11-02 | 2022-02-15 | 国网四川省电力公司雅安供电公司 | On-load tap-changer with linkage of gear switching and polarity switching |
| CN114050020B (en) * | 2021-11-02 | 2024-05-03 | 国网四川省电力公司雅安供电公司 | On-load tap changer with gear switching and polarity switching linkage |
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| GR01 | Patent grant |