CN204178992U - The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch - Google Patents
The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch Download PDFInfo
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- CN204178992U CN204178992U CN201420658859.7U CN201420658859U CN204178992U CN 204178992 U CN204178992 U CN 204178992U CN 201420658859 U CN201420658859 U CN 201420658859U CN 204178992 U CN204178992 U CN 204178992U
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Abstract
The conductive structure of the utility model twin columns vertical opening type high-voltage alternating current isolating switch, comprises conduction plug-in strip and fixed contact; Conduction plug-in strip comprises base seat support, conducting rod, moving contact and power transmission shaft; One end of base seat support arranges binding post, and the other end is fixedly installed blade base; One end of conducting rod arranges moving contact, and the other end is hinged on blade base by axle, and conducting rod is vertical connecting lever hinged in the same way with its direction of motion near the top of hinged end; Conducting rod is electrically connected with blade base by spring touch finger, and blade base to be electrically connected with base seat support by being flexible coupling; Power transmission shaft is vertically set on base seat support by bearing pedestal, and the output of power transmission shaft connects the horizontal connecting lever being parallel to base seat support surface pivots, and the free end of horizontal connecting lever is connected by the free end of universal bearing with vertical connecting lever; Fixed contact comprises support and contact, and support one end arranges binding post, and the other end is fixedly installed the contact coordinated with moving contact.
Description
Technical field
The utility model relates to high-tension apparatus field, is specially the conductive structure of twin columns vertical opening 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 queen post high-voltage alternating current isolating switch adopts folding-jib structure mostly, and folding-jib structure adopts rack-and-pinion to rotate, and the transmission link of product is many, and drive mechanism is comparatively complicated.
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 twin columns vertical opening type high-voltage alternating current isolating switch easily safeguarded.
The utility model is achieved through the following technical solutions:
The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch, comprises conduction plug-in strip and fixed contact; Conduction plug-in strip comprises base seat support, conducting rod, moving contact and power transmission shaft; One end of base seat support arranges binding post, and the other end is fixedly installed blade base; One end of conducting rod arranges moving contact, and the other end is hinged on blade base by axle, and conducting rod is vertical connecting lever hinged in the same way with its direction of motion near the top of hinged end; Conducting rod is electrically connected with blade base by spring touch finger, and blade base to be electrically connected with base seat support by being flexible coupling; Power transmission shaft is vertically set on base seat support by bearing pedestal, and the output of power transmission shaft connects the horizontal connecting lever being parallel to base seat support surface pivots, and the free end of horizontal connecting lever is connected by the free end of universal bearing with vertical connecting lever; Fixed contact comprises support and contact, and support one end arranges binding post, and the other end is fixedly installed the contact coordinated with moving contact.
Preferably, moving contact stiff end is fixed on conducting rod by plug-in strip connector, and plug-in strip connector comprises the securing member that two are bolted cooperation, and one of them securing member is fixedly connected with conducting rod.
Preferably, the free end extension of moving contact is disposed with arc ignition bar and voltage equalizing ball, the support of fixed contact is provided with the starting rod coordinated with arc ignition bar.
Preferably, the two ends of axle are respectively arranged with disc spring, and the center-side correspondence of disc spring is fixed on the end of axle, and the other end is fixed on base seat support.
Preferably, contact is fixed on support by pressing plate, and the adjacent surface between contact and support arranges fastening spring.Further, contact adopts U-shaped contact.
Preferably, fixed contact also comprises the quiet end combined floodgate stopping means be fixedly installed on support.
Further, the plug-in strip that conducts electricity also comprises and is separately positioned on moved end combined floodgate stopping means on base seat support and moved end opening limit device; Combined floodgate stopping means and opening limit device be the corresponding rotational travel destination county being arranged on horizontal connecting lever both sides respectively.
Further again, when conducting rod moves between the closing position place that moved end combined floodgate stopping means and moved end opening limit device limit and open position, the angle of movement travel is 92-97 °.
Compared with prior art, the utility model has following useful technique effect:
The utility model adopts the conductive structure of twin columns vertical opening type, realizes through-flow, effectively strengthen through-current capability by the moving contact being arranged on conduction plug-in strip with the contact pad be arranged in fixed contact; The employing of conduction plug-in strip take one end as the rotary setting mode in the center of circle, and fixed contact arranges on the rotate path of moving contact simultaneously, guarantees flexibility and the sensitivity of contact, simple and reliable for structure; Spring touch finger is arranged between conducting rod and blade base, is flexible coupling and is arranged between blade base and conducting bracket, improves the security reliability of total, guarantees the through-current capability met the demands; Utilize vertical deciliter that the power transmission shaft that arranges can conveniently realize conducting rod by horizontal connecting lever and vertical connecting lever, what utilize universal bearing arranges the transmission of power realized between the orthogonal horizontal connecting lever of rotation direction and vertical connecting lever, motion stabilization is reliable, structure is simple, takes up room little.
Further, the plug-in strip connector utilizing assembling to arrange realizes installation and the location of moving contact, can not only strengthen firm and reliable connection between the two, ensure that the safety and stability performance of total, and I& M can be carried out easily and fast, use quick and easy.
Further, adopt fixed contact that the mode of starting rod electrical connection is set to coordinate the arc ignition bar on moving contact, improve the arc extinction performance of conductive structure, make it run more reliable efficient; By being arranged on the voltage equalizing ball on arc ignition bar, effectively can improving the Electric Field Distribution near starting rod, increasing the service life, improve dependability.
Further, by arranging disc spring on axle, can the gravitational moment of balanced conductive bar, thus the convenient conversion realized between conduction plug-in strip closing position and open position, improve efficiency of movement and reliability.
Further, the adjacent surface between contact and support arranges fastening spring, ensure that the clamping force of contact; Adopt U-shaped contact, can contact from both sides with moving contact, contact reliable and stable, coordinate convenient and swift, the quiet end closing position be equipped with, can limit the position after switch on of moving contact, ensures to be connected with the stable electrical of fixed contact.
Further; by being fixedly installed quiet end combined floodgate stopping means on the support of fixed contact; conduction plug-in strip moved end opening limit device and moved end combined floodgate stopping means have been fixedly installed; safe range when can guarantee conducting rod from closing position to open position; position motion can not be produced, played safeguard protection effect.
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 conduction plug-in strip; 2 is fixed contact; 3 is support; 4 is fastening spring; 5 is pressing plate; 6 is contact; 7 is quiet end combined floodgate stopping means; 8 is starting rod; 9 is base seat support; 10 is moved end opening limit device; 11 is bearing pedestal; 12 is horizontal connecting lever; 13 is disc spring; 14 is vertical connecting lever; 15 is conducting rod; 16 is plug-in strip connector; 17 is moving contact; 18 is voltage equalizing ball; 19 for being flexible coupling; 20 is moved end combined floodgate stopping means; 21 is axle; 22 is blade base; 23 is spring touch finger; 24 is arc ignition bar.
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 twin columns vertical opening type high-voltage alternating current isolating switch, as depicted in figs. 1 and 2, it comprises conduction plug-in strip 1 and fixed contact 2; As shown in Figure 5 and Figure 6, the plug-in strip 1 that conducts electricity comprises base seat support 9, conducting rod 15, moving contact 17 and power transmission shaft; One end of base seat support 9 arranges binding post, and the other end is fixedly installed blade base 22; One end of conducting rod 15 arranges moving contact 17, and the other end is hinged on blade base 22 by axle 21, and conducting rod 15 is vertical connecting lever 14 hinged in the same way with its direction of motion near the top of hinged end; Conducting rod 15 is electrically connected with blade base 22 by spring touch finger 23, and blade base 22 19 to be electrically connected with base seat support 9 by being flexible coupling; Power transmission shaft is vertically set on base seat support 9 by bearing pedestal 11, and the output of power transmission shaft connects the horizontal connecting lever 12 being parallel to base seat support 9 surface pivots, and the free end of horizontal connecting lever 12 is connected by the free end of universal bearing with vertical connecting lever 14; As shown in Figure 3 and Figure 4, fixed contact 2 comprises support 3 and contact 6, and support 3 one end arranges binding post, and the other end is fixedly installed the contact 6 coordinated with moving contact 17.
As shown in Figure 5 and Figure 6, in this preferred embodiment, moving contact 17 stiff end is fixed on conducting rod 15 by plug-in strip connector 16, and plug-in strip connector 16 comprises the securing member that two are bolted cooperation, and one of them securing member is fixedly connected with conducting rod 15.The free end extension of moving contact 17 is disposed with arc ignition bar 24 and voltage equalizing ball 18, the support 3 of fixed contact 2 is provided with the starting rod 8 coordinated with arc ignition bar 24.The two ends of axle 21 are respectively arranged with disc spring 13, and the center-side correspondence of disc spring 13 is fixed on the end of axle 21, and the other end is fixed on base seat support 9.8. the conductive structure of the twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1 or 7,
Wherein, the plug-in strip 1 that conducts electricity also comprises and is separately positioned on moved end combined floodgate stopping means 20 on base seat support 9 and moved end opening limit device 10; Combined floodgate stopping means 20 and opening limit device 10 be the corresponding rotational travel destination county being arranged on horizontal connecting lever 12 both sides respectively.As shown in Figure 7, when conducting rod 15 moves between the closing position place that moved end combined floodgate stopping means 20 and moved end opening limit device 10 limit and open position, the angle of movement travel is 92-97 °.
As shown in Figure 3 and Figure 4, contact 6 is fixed on support 3 by pressing plate 5, the adjacent surface between contact 6 and support 3 is arranged fastening spring 4.In this preferred embodiment, contact 6 adopts U-shaped contact.Fixed contact 2 also comprises the quiet end combined floodgate stopping means 7 be fixedly installed on support 3.
Concrete, with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model comprises conduction plug-in strip 1 and fixed contact 2.Wherein fixed contact 2 adopts U-shaped contact 6 structure, comprises support 3, fastening spring 4, pressing plate 5, contact 6, quiet end combined floodgate stopping means 7 and starting rod 8; Its medium-height trestle 3 one end is used as binding post use, and the other end is provided with contact 6 by pressing plate 5; Fastening spring 4 is arranged between contact 6 and support 3, ensures the clamping force of contact 6; Starting rod 8 is arranged on the side of support 3.
With reference to Fig. 5 and Fig. 6, conduction plug-in strip 2 adopts vertical opening type structure, comprises base seat support 9, moved end opening limit device 10, bearing pedestal 11, horizontal connecting lever 12, disc spring 13, vertical connecting lever 14, conducting rod 15, plug-in strip connector 16, moving contact 17, voltage equalizing ball 18, is flexible coupling 19, moved end combined floodgate stopping means 20, axle 21, blade base 22 and spring touch finger 23; Wherein one end of base seat support 9 is as binding post use, base seat support 9 is provided with bearing pedestal 11, separating brake spacing 10 and closes a floodgate spacing 20; Horizontal connecting lever 12 is arranged on bearing pedestal 11; Axle 21 is arranged on the other end of base seat support 9, and disc spring 14 is arranged on the both sides of axle 21; The centre position of blade base 22 installation shaft 21 that can conduct electricity, being flexible coupling 19 is arranged between blade base 22 and base seat support 9; One end of conducting rod 15 is arranged on blade base 22, and the other end is provided with plug-in strip point 16; Spring touch finger 23 is installed between conducting rod 15 and blade base 22; Moving contact 17 is arranged on plug-in strip connector 16; Arc ignition bar 24 is arranged on moving contact 17; Voltage equalizing ball 18 is arranged on arc ignition bar 24.
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; As shown in Figure 6, power source drives horizontal connecting lever 12 to rotate in the counterclockwise direction through power transmission shaft, as shown in figure 5 and figure 7, vertical connecting lever 14 clockwise movement under the transmission of horizontal connecting lever 12, spacing respectively through moved end combined floodgate stopping means 20 and quiet end combined floodgate stopping means 7, realizes the electrical contact conducting of moving contact 17 and contact 6; As shown in Figure 7, during isolating switch separating brake, conduction plug-in strip 1 forwards open position along separating brake direction to from closing position, and its transmission process is contrary with making process, final spacing through moved end opening limit device 10, the motion after realizing moving contact 17 and the electrical contact of contact 6 disconnecting stops.During combined floodgate; arc ignition bar 24 and starting rod 8 contacted before moving contact 17 contacts with U-shaped contact 6; then finally be separated during separating brake; the reliable contacts of the electric current produced during divide-shut brake by arc ignition bar 6 and starting rod 23 is realized deriving arc extinguishing, thus effectively can protect moving contact 17 and U-shaped contact 6.
Claims (9)
1. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch, is characterized in that, comprises conduction plug-in strip (1) and fixed contact (2);
Described conduction plug-in strip (1) comprises base seat support (9), conducting rod (15), moving contact (17) and power transmission shaft; One end of base seat support (9) arranges binding post, and the other end is fixedly installed blade base (22); One end of conducting rod (15) arranges moving contact (17), the other end is hinged on blade base (22) by axle (21), and conducting rod (15) is near the top vertical connecting lever (14) hinged in the same way with its direction of motion of hinged end; Conducting rod (15) is electrically connected with blade base (22) by spring touch finger (23), and blade base (22) is electrically connected with base seat support (9) by be flexible coupling (19); Power transmission shaft is vertically set on base seat support (9) by bearing pedestal (11), the output of power transmission shaft connects the horizontal connecting lever (12) being parallel to base seat support (9) surface pivots, and the free end of horizontal connecting lever (12) is connected by the free end of universal bearing with vertical connecting lever (14);
Described fixed contact (2) comprises support (3) and contact (6), and support (3) one end arranges binding post, and the other end is fixedly installed the contact (6) coordinated with moving contact (17).
2. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1, it is characterized in that, moving contact (17) stiff end is fixed on conducting rod (15) by plug-in strip connector (16), plug-in strip connector (16) comprises the securing member that two are bolted cooperation, and one of them securing member is fixedly connected with conducting rod (15).
3. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1, it is characterized in that, the free end extension of moving contact (17) is disposed with arc ignition bar (24) and voltage equalizing ball (18), the support (3) of fixed contact (2) is provided with the starting rod (8) coordinated with arc ignition bar (24).
4. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1, it is characterized in that, the two ends of axle (21) are respectively arranged with disc spring (13), the center-side correspondence of disc spring (13) is fixed on the end of axle (21), and the other end is fixed on base seat support (9).
5. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1, it is characterized in that, contact (6) is fixed on support (3) by pressing plate (5), the adjacent surface between contact (6) and support (3) is arranged fastening spring (4).
6. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1 or 5, it is characterized in that, described contact (6) adopts U-shaped contact.
7. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1, it is characterized in that, described fixed contact (2) also comprises the quiet end combined floodgate stopping means (7) be fixedly installed on support (3).
8. the conductive structure of the twin columns vertical opening type high-voltage alternating current isolating switch according to claim 1 or 7, it is characterized in that, described conduction plug-in strip (1) also comprises and is separately positioned on moved end combined floodgate stopping means (20) on base seat support (9) and moved end opening limit device (10); Combined floodgate stopping means (20) and opening limit device (10) respectively correspondence are arranged on the rotational travel destination county of horizontal connecting lever (12) both sides.
9. the conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch according to claim 8, it is characterized in that, when moving between the closing position place that conducting rod (15) limits in moved end combined floodgate stopping means (20) and moved end opening limit device (10) and open position, the angle of movement travel is 92-97 °.
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CN201420658859.7U CN204178992U (en) | 2014-11-05 | 2014-11-05 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
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CN201420658859.7U CN204178992U (en) | 2014-11-05 | 2014-11-05 | The conductive structure of twin columns vertical opening type high-voltage alternating current isolating switch |
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Cited By (6)
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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 |
CN108417431A (en) * | 2018-03-27 | 2018-08-17 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
CN109427501A (en) * | 2017-08-23 | 2019-03-05 | 河南华盛隆源电气有限公司 | A kind of main conductive circuit and the floor-type switch cabinet using the galvanic circle |
CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
CN113363103A (en) * | 2020-07-17 | 2021-09-07 | 许继集团有限公司 | Elastic contact device and switch device |
CN117672758A (en) * | 2023-12-15 | 2024-03-08 | 法腾电力装备江苏有限公司 | Novel longitudinal rotation double-isolating-switch electric mechanism |
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2014
- 2014-11-05 CN CN201420658859.7U patent/CN204178992U/en active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN109427501A (en) * | 2017-08-23 | 2019-03-05 | 河南华盛隆源电气有限公司 | A kind of main conductive circuit and the floor-type switch cabinet using the galvanic circle |
CN108417431A (en) * | 2018-03-27 | 2018-08-17 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
CN108417431B (en) * | 2018-03-27 | 2019-11-01 | 河南平高电气股份有限公司 | A kind of high-voltage switch gear and disconnecting link, conductive tube assembly |
CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
CN111971772B (en) * | 2018-04-11 | 2023-04-11 | 日立能源瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
CN113363103A (en) * | 2020-07-17 | 2021-09-07 | 许继集团有限公司 | Elastic contact device and switch device |
CN117672758A (en) * | 2023-12-15 | 2024-03-08 | 法腾电力装备江苏有限公司 | Novel longitudinal rotation double-isolating-switch electric mechanism |
CN117672758B (en) * | 2023-12-15 | 2024-05-28 | 法腾电力装备江苏有限公司 | Longitudinal rotation double-isolating-switch electric mechanism |
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