CN204178996U - The conductive structure of three-column type high voltage alternating current isolating switch - Google Patents
The conductive structure of three-column type high voltage alternating current isolating switch Download PDFInfo
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- CN204178996U CN204178996U CN201420656700.1U CN201420656700U CN204178996U CN 204178996 U CN204178996 U CN 204178996U CN 201420656700 U CN201420656700 U CN 201420656700U CN 204178996 U CN204178996 U CN 204178996U
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- alternating current
- isolating switch
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Abstract
The conductive structure of the utility model three-column type high voltage alternating current isolating switch, comprises fixed contact and conduction plug-in strip; Conduction plug-in strip take mid point as the center of circle is rotary setting, and it comprises the moving contact being separately positioned on two ends; Fixed contact comprises insulation board, binding post, support, and the contact coordinated with moving contact; The binding post being fixedly connected with axle sleeve is fixedly installed on insulation board, and axle sleeve is rotatably connected with support diametrically, and one end of support is provided with contact, and the other end to be electrically connected with binding post by being flexible coupling; The rotate path of moving contact is symmetrically arranged with two fixed contacts coordinated with moving contact respectively.Rotary setting is carried out by conduction plug-in strip, utilize and realize through-flow at the moving contact at conduction plug-in strip two ends with the contact pad be arranged in fixed contact, effective enhancing through-current capability, assemble also simple, and the cost reducing product guarantees flexibility and the sensitivity of contact, simple and reliable for structure, the through-current capability met the demands.
Description
Technical field
The utility model belongs to high-tension apparatus field, is specially the conductive structure of three-column type high voltage alternating current isolating switch.
Background technology
Along with developing rapidly of domestic and international power industry and power grid construction, the demand of high voltage electric appliance is increasing, also requires more and more high to the performance of power equipment.At present, the plug-in strip that conducts electricity in three-column type high voltage alternating current isolating switch adopts overturn structure mostly, and overturn structure adopts pinion rotation, and the transmission link of product is many, and drive mechanism is comparatively complicated, and cost is larger.
Utility model content
For problems of the prior art, the utility model provides a kind of structure unique, reliable and stable, easy to operate, the conductive structure of the three-column type high voltage alternating current isolating switch easily safeguarded.
The utility model is achieved through the following technical solutions:
The conductive structure of three-column type high voltage alternating current isolating switch, comprises fixed contact and conduction plug-in strip; Conduction plug-in strip take mid point as the center of circle is rotary setting, and it comprises the moving contact being separately positioned on two ends; Fixed contact comprises insulation board, binding post, support, and the contact coordinated with moving contact; The binding post being fixedly connected with axle sleeve is fixedly installed on insulation board, and axle sleeve is rotatably connected with support diametrically, and one end of support is provided with contact, and the other end to be electrically connected with binding post by being flexible coupling; The rotate path of moving contact is symmetrically arranged with two fixed contacts coordinated with moving contact respectively.
Preferably, the plug-in strip that conducts electricity also comprises rotary support and contact tube; Moving contact is fixedly connected on contact tube two ends respectively, is fixed on rotary support in the middle of contact tube.
Further, be fixed on cushion block upper end by U-bolt in the middle of contact tube, cushion block is fixedly installed on rotary support; Moving contact is fixedly connected with contact tube by the bracing frame being fixed on contact tube two ends.
Preferably, described fixed contact also comprises the arc ignition bar be arranged on above support; Arc ignition bar is electrically connected with contact; Described moving contact is provided with the starting rod coordinated with arc ignition bar.
Preferably, be also provided with cover above described support, cover is fixedly connected with support by the joint pin be fixed on support.
Preferably, described fixed contact also comprises two ends and is arranged on back-moving spring on binding post and support respectively, and two ends are arranged on the fastening spring between contact and support on adjacent surface respectively.
Further, described contact adopts U-shaped contact.
Preferably, described fixed contact also comprises the combined floodgate stopping means and opening limit device that are separately positioned on support both sides; Combined floodgate stopping means is fixedly installed on insulation board, and opening limit device is fixedly installed on binding post.
Preferably, when support and contact rotate to the open position place of opening limit device restriction, the deflection angle of support and contact is 55-60 °.
Compared with prior art, the utility model has following useful technique effect:
The structure that the utility model replaces original aluminum pipe and turnover bracket to be assembled by the conduction plug-in strip of rotary setting, realize through-flow by the moving contact being arranged on conduction plug-in strip two ends with the contact pad be arranged in fixed contact, effective enhancing through-current capability, assembling is also simple, and reduces the cost of product; The employing of conduction plug-in strip take mid point as the rotary setting mode in the center of circle, and fixed contact is symmetricly set on again on the rotate path of two moving contacts simultaneously, guarantees flexibility and the sensitivity of contact, simple and reliable for structure; The binding post of fixed contact is connected with the support being provided with contact by the axle sleeve be connected with it, improves the security reliability of total, guarantees the through-current capability met the demands.
Further, the conduction plug-in strip adopted also comprises centre and is fixed on contact tube on rotary support, can contact tube be conveniently driven to rotate by rotary support, and then make the moving contact motion being fixedly connected on contact tube two ends, improve flexibility, and reasonably design can guarantee the contact effect of moving contact and contact, increase reliability.
Further, by the cushion block be fixed on rotary support, contact tube is fixedly connected with rotary support, can guarantee that contact tube is more stable when carrying out contacting through-flow rotation, what make it be connected with rotary support is more firm, simplify fixed installation, facilitate plant maintenance, improve useful life simultaneously; Bracing frame is set at contact tube two ends simultaneously, moving contact is connected by bracing frame with contact tube, makes the firm and reliable connection between it, ensure that the safety and stability performance of total.
Further, adopt fixed contact to arrange mode that arc ignition bar and contact be electrically connected, to coordinate the starting rod on moving contact, improves the arc extinction performance of conductive structure, makes it run more reliably efficiently.
Further, by arranging joint pin to fixedly mount cover on support, effectively avoid, to the damage of fixed contact internal structure, increasing the service life, safer.
Further, by arranging back-moving spring between binding post and support, the conversion between the spacing and separating brake of conveniently realizing closing a floodgate is spacing; Adjacent surface simultaneously between contact and support arranges fastening spring, ensure that the clamping force of contact.
Further, contact is adopted U-shaped contact, can contact with moving contact from both sides, contact reliable and stable, coordinate convenient and swift.
Further; by being fixedly installed combined floodgate stopping means on the insulation board of fixed contact, the binding post of fixed contact is fixedly installed opening limit device, safe range when can guarantee conducting rod from closing position to open position; position motion can not be produced, played safeguard protection effect.
Further, adopt the deflection angle of separating brake spacing place support and the contact limited by opening limit device to be set to 55-60 °, guarantee being separated of moving contact and contact, increase reliability.
Accompanying drawing explanation
Fig. 1 is the front view of structure described in the utility model example.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is the front view of fixed contact described in the utility model example.
Fig. 4 is Fig. 3 vertical view.
Fig. 5 is for conducting electricity the front view of plug-in strip described in the utility model example.
Fig. 6 is Fig. 5 vertical view.
Fig. 7 is the schematic diagram of structure opening and closing state described in the utility model example.
In figure: 1 is fixed contact; 2 is conduction plug-in strip; 3 is binding post; 4 is cover; 5 is support; 6 is arc ignition bar; 7 is contact; 8 is spacing for closing a floodgate; 9 for being flexible coupling; 10 is that separating brake is spacing; 11 is insulation board; 12 is back-moving spring; 13 is hold-down screw; 14 is joint pin; 15 is fastening spring; 16 is axle sleeve; 17 is starting rod; 18 is bracing frame; 19 is contact tube; 20 is U-bolt; 21 is rotary support; 22 is cushion block; 23 is starting rod.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.
The conductive structure of the utility model three-column type high voltage alternating current isolating switch, as shown in Figure 1, comprises fixed contact 1 and conduction plug-in strip 2; Conduction plug-in strip 2 take mid point as the center of circle is rotary setting, and it comprises the moving contact 17 being separately positioned on two ends; As shown in Figure 3 and Figure 4, fixed contact 1 comprises insulation board 11, binding post 3, support 5, and the contact 7 coordinated with moving contact 17; The binding post 3 being fixedly connected with axle sleeve 16 is fixedly installed on insulation board 11, and axle sleeve 16 is rotatably connected with support 5 diametrically, and one end of support 5 is provided with contact 7, and the other end 9 to be electrically connected with binding post 3 by being flexible coupling; As depicted in figs. 1 and 2, the rotate path of moving contact 17 is symmetrically arranged with two fixed contacts 1 coordinated with moving contact 17 respectively.
As shown in Figure 5 and Figure 6, the plug-in strip 2 that conducts electricity also comprises rotary support 21 and contact tube 19; Moving contact 17 is fixedly connected on contact tube 19 two ends respectively, is fixed on rotary support 21 in the middle of contact tube 19.Be fixed on cushion block 22 upper end by U-bolt 20 in the middle of contact tube 19, cushion block 22 is fixedly installed on rotary support 21; Moving contact 17 is fixedly connected with contact tube 19 by the bracing frame 18 being fixed on contact tube 19 two ends.
Wherein, as Fig. 5 and Fig. 6, fixed contact 1 also comprises the arc ignition bar 6 be arranged on above support 5; Arc ignition bar 6 is electrically connected with contact 7; Moving contact 17 is provided with the starting rod 23 coordinated with arc ignition bar 6.Also be provided with cover 4 above support 5, cover 4 is fixedly connected with support 5 by the joint pin 14 be fixed on support 5.
As Fig. 3 and Fig. 4, fixed contact 1 also comprises two ends and is arranged on back-moving spring 12 on binding post 3 and support 5 respectively, and two ends are arranged on the fastening spring 15 between contact 7 and support 5 on adjacent surface respectively.Contact 7 adopts U-shaped contact, and as shown in Figure 3, several U-shaped contact superpositions use, and this preferred embodiment is described to superpose six U-shaped contacts.Fixed contact 1 also comprises the combined floodgate stopping means 8 and opening limit device 10 that are separately positioned on support 5 both sides; Combined floodgate stopping means 8 is fixedly installed on insulation board 11, and opening limit device 10 is fixedly installed on binding post 3.As shown in Figure 7, when support 5 and contact 7 rotate to the open position place of opening limit device 10 restriction, the deflection angle of support 5 and contact 7 is 55-60 °, and this preferred embodiment is described for 57 °.
Concrete, with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model comprises fixed contact 1 and conduction plug-in strip 2.Wherein fixed contact 1 adopts U-shaped contact plate structure, mainly comprise binding post 3, cover 4, support 5, arc ignition bar 6, contact 7, close a floodgate spacing 8, be flexible coupling 9, separating brake is spacing 10, insulation board 11, back-moving spring 12, hold-down screw 13, joint pin 14; Fastening spring 15; Its middle connecting terminal 1 is fixed on insulation board 11, is connected by axle sleeve 16 with support 5; Support 5 one end is provided with contact 7, and the other end 9 to be connected with binding post 3 by being flexible coupling; Cover 4 is arranged on the top of support 5; Arc ignition bar 6 is also arranged on the top of support 5; Close a floodgate and spacing 8 be arranged on insulation board 11; Separating brake spacing 10 is arranged on insulation board 11; Back-moving spring 12 is arranged between insulation board 11 and support 5 by hold-down screw 13; Fastening spring 15 is arranged between contact 7 and support 5, ensures the clamping force of contact 7.
With reference to Fig. 5 and Fig. 6, conduction plug-in strip 2 adopts rotary structure, mainly comprises moving contact 17, support 18, contact tube 19, U-bolt 20, bearing 21, cushion block 22, starting rod 23; After wherein the both sides of contact tube 19 and bracing frame 18 weld, moving contact 17 is installed; In the middle of contact tube 19, be provided with U-bolt 20 and cushion block 22, be fixed on bearing 21.As shown in Figure 5 and Figure 6, in this preferred embodiment, it is flat U-shaped that moving contact 17 adopts conductive sheet metal to be bent into, and two ends are welded on mount 18 respectively, arrange the starting rod 23 coordinated with arc ignition bar 6 respectively, for protecting it in its front end.
The operation principle of conductive structure of the present utility model, as shown in Figure 7, when isolating switch closes a floodgate, conduction plug-in strip 1 forwards closing position along combined floodgate direction to from open position, is rotated realize closing a floodgate by band dynamic/static contact 2; During isolating switch separating brake, conduction plug-in strip 1 forwards open position along separating brake direction to from closing position, is rotated realize separating brake by band dynamic/static contact 2.When moving contact 17 contacts with fixed contact 2, realize conduction by contact 17 and U-shaped contact 7 reliable contacts.Arc ignition bar 6 and starting rod 23 contacted before contact 17 contacts with U-shaped contact 7; when there being bus to shift operating mode; bus switching current can be realized conducting electricity by the reliable contacts of arc ignition bar 6 and starting rod 23, thus effectively can protect contact 17 and U-shaped contact 7.
Claims (9)
1. the conductive structure of three-column type high voltage alternating current isolating switch, is characterized in that, comprises fixed contact (1) and conduction plug-in strip (2); Described conduction plug-in strip (2) take mid point as the center of circle is rotary setting, and it comprises the moving contact (17) being separately positioned on two ends; Described fixed contact (1) comprises insulation board (11), binding post (3), support (5), and the contact (7) coordinated with moving contact (17); The binding post (3) being fixedly connected with axle sleeve (16) is fixedly installed on insulation board (11), axle sleeve (16) is rotatably connected with support (5) diametrically, one end of support (5) is provided with contact (7), and the other end is electrically connected with binding post (3) by be flexible coupling (9); The rotate path of moving contact (17) is symmetrically arranged with two fixed contacts (1) coordinated with moving contact (17) respectively.
2. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 1, is characterized in that, conduction plug-in strip (2) also comprises rotary support (21) and contact tube (19); Moving contact (17) is fixedly connected on contact tube (19) two ends respectively, is fixed on rotary support (21) in the middle of contact tube (19).
3. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 2, it is characterized in that, be fixed on cushion block (22) upper end by U-bolt (20) in the middle of contact tube (19), cushion block (22) is fixedly installed on rotary support (21); Moving contact (17) is fixedly connected with contact tube (19) by the bracing frame (18) being fixed on contact tube (19) two ends.
4. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 1, is characterized in that, described fixed contact (1) also comprises the arc ignition bar (6) being arranged on support (5) top; Arc ignition bar (6) is electrically connected with contact (7); Described moving contact (17) is provided with the starting rod (23) coordinated with arc ignition bar (6).
5. the conductive structure of the three-column type high voltage alternating current isolating switch according to claim 1 or 4, it is characterized in that, described support (5) top is also provided with cover (4), and cover (4) is fixedly connected with support (5) by the joint pin (14) be fixed on support (5).
6. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 1, it is characterized in that, described fixed contact (1) also comprises two ends and is arranged on back-moving spring (12) on binding post (3) and support (5) respectively, and two ends are arranged on the fastening spring (15) between contact (7) and support (5) on adjacent surface respectively.
7. the conductive structure of the three-column type high voltage alternating current isolating switch according to claim 1 or 6, is characterized in that, described contact (7) adopts U-shaped contact.
8. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 1, it is characterized in that, described fixed contact (1) also comprises the combined floodgate stopping means (8) and opening limit device (10) that are separately positioned on support (5) both sides; Combined floodgate stopping means (8) is fixedly installed on insulation board (11), and opening limit device (10) is fixedly installed on binding post (3).
9. the conductive structure of three-column type high voltage alternating current isolating switch according to claim 1, it is characterized in that, when support (5) and contact (7) rotate to the open position place that opening limit device (10) limits, the deflection angle of support (5) and contact (7) is 55-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656700.1U CN204178996U (en) | 2014-11-05 | 2014-11-05 | The conductive structure of three-column type high voltage alternating current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656700.1U CN204178996U (en) | 2014-11-05 | 2014-11-05 | The conductive structure of three-column type high voltage alternating current isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN204178996U true CN204178996U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420656700.1U Active CN204178996U (en) | 2014-11-05 | 2014-11-05 | The conductive structure of three-column type high voltage alternating current isolating switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN112750648A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel GW7-252 isolating switch conducting structure |
-
2014
- 2014-11-05 CN CN201420656700.1U patent/CN204178996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN112750648A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel GW7-252 isolating switch conducting structure |
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| GR01 | Patent grant |