CN102931021A - Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch - Google Patents
Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch Download PDFInfo
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- CN102931021A CN102931021A CN2012104767117A CN201210476711A CN102931021A CN 102931021 A CN102931021 A CN 102931021A CN 2012104767117 A CN2012104767117 A CN 2012104767117A CN 201210476711 A CN201210476711 A CN 201210476711A CN 102931021 A CN102931021 A CN 102931021A
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Abstract
The invention relates to a three-phase horizontal line-arrayed isolating switch with a self-compacting earthing switch. The three-phase horizontal line-arrayed isolating switch with the self-compacting earthing switch is characterized by comprising a phase-A isolation knife component, a phase-B isolation knife component and a phase-C isolation knife component which are arrayed in a horizontal line shape, wherein the phase-A isolation knife component, the phase-B isolation knife component and the phase-C isolation knife component are interlocked with an earthing knife component; the earthing knife component is connected with an operation mechanism through a transmission device; and the phase-A isolation knife component, the phase-B isolation knife component and the phase-C isolation knife component are arranged on a steel bracket. The three-phase horizontal line-arrayed isolating switch with the self-compacting earthing switch has the advantage of meeting special wiring requirements of special landforms and has certain anti-corona capability and anti-radio disturbance capability.
Description
Technical field
The present invention relates to a kind of isolating switch, belong to the high-voltage switch gear technical field.
Background technology
Usually outdoor high-voltage alternating current isolating switch be by every mutually in each plane, insulator place and other two-phase each plane, insulator place be the arranged that is parallel to each other; Circle or U-shaped are generally selected in major loop conductive arm cross section; The anti-radio interference of conductive contact finger and anticorona ability a little less than, earthed switch is that common contact probe is depended on the conventional structure that outer pressing spring keeps clamping force.These common structures just can't be suitable for for the special site environment of place space requirement.
Summary of the invention
The purpose of this invention is to provide the wider isolating switch of a kind of range of application.
In order to achieve the above object, technical scheme of the present invention has provided a kind of isolating switch of band oneself compression type earthed switch of three-phase rods arranged in horizontal line, it is characterized in that: comprise the isolated knife assembly of the A that is rods arranged in horizontal line, the isolated knife assembly of B and the isolated knife assembly of C, realize interlocking between the isolated knife assembly of A, the isolated knife assembly of B and the isolated knife assembly of C and the earthing assembly; The earthing assembly is via transmission device attended operation mechanism, and the isolated knife assembly of A, the isolated knife assembly of B, the isolated knife assembly of C and earthing assembly are located on the steel bracket.
Preferably, the structure of the isolated knife assembly of described A, the isolated knife assembly of described B and the isolated knife assembly of described C is identical, comprise the isolation knife base, be provided with left insulator and the right insulator of rods arranged in horizontal line at the isolation knife base, be connected with major loop structure between left insulator and the right insulator.
Preferably, described isolation knife base comprises the channel-section steel base, be provided with for the left shaft holder of fixing described left insulator and for the right bearing seat of fixing described right insulator at the channel-section steel base, between left shaft holder and right bearing seat, be provided with the earthing limit support board, the two ends of connecting rod are respectively by bearing pin and left shaft holder and right bearing seat, the two ends of input connecting rod link to each other with right bearing seat and connecting lever by bearing pin respectively, connecting lever is fixed on the cushion block by the connecting lever bearing, and cushion block is fixed on the side of channel-section steel base.
Preferably, described major loop structure comprises the left conductive arm that is connected and fixed with described left insulator and the right conductive arm that is connected and fixed with described right insulator, front end at left conductive arm and right conductive arm is respectively equipped with fingertip and contact, fingertip is positioned at contact, and the both sides outside the part outside fingertip is positioned at contact are respectively equipped with primary antibodie radio interference radome.
Preferably, described fingertip is that two rows are symmetrically arranged, the outwardly-bent rolling of its front end, and two row's fingertips form the horn mouth shape; The end of described contact is circular arc bending structure.
Preferably, described earthing assembly comprises the A phase moving contact component that is rods arranged in horizontal line, B phase moving contact component and C phase moving contact component, A phase moving contact component, one end of B phase moving contact component and C phase moving contact component connects respectively A phase static contact component, B phase static contact component and C phase static contact component, its other end respectively with the rotating shaft of A phase, the rotating shaft of B phase and the rotating shaft of C phase are held tightly, the rotating shaft of A phase, the rotating shaft of B phase and the rotating shaft of C phase are respectively by A phase bent plate bearing, B phase bent plate bearing and C phase bent plate seat supports form revolute pair, between A phase bent plate bearing and C phase bent plate bearing torsion spring is housed, between B phase bent plate bearing fan-shaped interlock plate is housed, between A phase rotating shaft two ends and B phase rotating shaft two ends and between B phase rotating shaft two ends and C phase rotating shaft two ends, be connected with respectively an alternate pull bar, the rotating shaft of A phase, the rotating shaft of B phase or C phase rotating shaft connection for transmission device, transmission device connects mutually with operating mechanism.
Preferably, transmission device comprises the output connecting rod, one end of output connecting rod connects mutually with operating mechanism, the other end is held tightly by anchor ear device with the axle of output toggle arm and is connected, middle adjustable connecting-rod respectively and between the connecting lever plate of output toggle arm and with the input connecting lever between form and be rotatably connected, input connecting lever and be connected and fixed with the rotating shaft of A phase, the rotating shaft of B phase or the rotating shaft of C phase and alternate pull bar respectively by pin.
Advantage of the present invention is:
1, three-phase isolation knife insulator and earthing divide, move in the same plane inter-sync when closing a floodgate, and are rods arranged in horizontal line and arrange, the installation basis also on the same line, has reduced floor space, has satisfied the special wiring demand of extreme terrain;
2, isolation knife conductive arm conducting rod adopts the welding of rectangular aluminium alloy pipe, and it is lightweight, and low cost of manufacture is easy to produce, and good heat dissipation is conducive to temperature rise and through-flow;
3, fingertip is the special copper coin shape structure of the outwardly-bent rolling of front end, has certain anti-corona and radio interference ability, and two rows are symmetrically arranged during installation, form the horn mouth shape, have preferably guide effect.The special circular arc bending of the tabular contact end of right conductive arm structure also has certain anti-corona and radio interference ability; The inner hollow space that forms of bending can effectively prevent minute, the movement interference at closing position place; Left conductive arm two row's fingertip horn mouth shape structures can also reduce the combined floodgate resistance;
4, contact and fingertip position can both appropriately adjust when mounted, and convenient the installation is conducive to adjust;
5, form the fracture that significantly has reliable insulation when open position, coefficient of safety is high;
6, three-phase ground cutter duplex pull rod drives, and has after closing a floodgate by the conductive structure of the self-compression ability of material itself, simple in structure, dependable performance, dismountable structure, and convenient the installation is conducive to adjustment.The large I of current capability of the switcher is adjusted by increasing or reduce moving contact fingertip quantity, and is convenient, flexible.
Description of drawings
Fig. 1 is the general structure schematic diagram of isolating switch of the band oneself compression type earthed switch of a kind of three-phase rods arranged in horizontal line provided by the invention;
Fig. 2 is the vertical view of isolating switch of the band oneself compression type earthed switch of a kind of three-phase rods arranged in horizontal line provided by the invention;
Fig. 3 is isolation knife assembly schematic diagram;
Fig. 4 is the front view of isolation knife base;
Fig. 5 is the vertical view of isolation knife base;
Fig. 6 is the front view of major loop structure;
Fig. 7 is the vertical view of major loop structure;
Fig. 8 is the front view of earthing assembly;
Fig. 9 is the vertical view of earthing assembly.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and cooperate accompanying drawing to be described in detail below.
As shown in Figures 1 and 2, the isolating switch of the band oneself compression type earthed switch of a kind of three-phase rods arranged in horizontal line provided by the invention, it is characterized in that: comprise the isolated knife assembly 1-1 of the A that is rods arranged in horizontal line, the isolated knife assembly 1-2 of B and the isolated knife assembly 1-3 of C, realize interlocking between the isolated knife assembly 1-1 of A, the isolated knife assembly 1-2 of B and the isolated knife assembly 1-3 of C and the earthing assembly 6; Earthing assembly 6 is via transmission device attended operation mechanism 3, and the isolated knife assembly 1-1 of A, the isolated knife assembly 1-2 of B, the isolated knife assembly 1-3 of C and earthing assembly 6 are located on the steel bracket 2.
In conjunction with Fig. 3, the structure of the isolated knife assembly 1-1 of described A, the isolated knife assembly 1-2 of described B and the isolated knife assembly 1-3 of described C is identical, comprise isolation knife base 11, be provided with left insulator 10-1 and the right insulator 10-2 of rods arranged in horizontal line at isolation knife base 11, be connected with major loop structure 9 between left insulator 10-1 and the right insulator 10-2.
In conjunction with Fig. 4 and Fig. 5, described isolation knife base 11 comprises channel-section steel base 29, be provided with for the left shaft holder 30 of fixing described left insulator 10-1 and for the right bearing seat 35 of fixing described right insulator 10-2 at channel-section steel base 29, between left shaft holder 30 and right bearing seat 35, be provided with earthing limit support board 36, the two ends of connecting rod 31 are respectively by bearing pin and left shaft holder 30 and right bearing seat 35, the two ends of input connecting rod 34 link to each other with right bearing seat 35 and connecting lever 32 by bearing pin respectively, connecting lever 32 is fixed on the cushion block 38 by connecting lever bearing 37, and cushion block 38 is fixed on the side of channel-section steel base 29.
In conjunction with Fig. 6 and Fig. 7, described major loop structure 9 comprises the left conductive arm 40-1 that is connected and fixed with described left insulator 10-1 and the right conductive arm 40-2 that is connected and fixed with described right insulator 10-2, front end at left conductive arm 40-1 and right conductive arm 40-2 is respectively equipped with fingertip 42 and contact 43, fingertip 42 is positioned at contact 43, and the both sides outside the part outside fingertip 42 is positioned at contact 43 are respectively equipped with primary antibodie radio interference radome 41.
Described fingertip 42 is that two rows are symmetrically arranged, the outwardly-bent rolling of its front end, and two row's fingertips 42 form the horn mouth shape; The end of described contact 43 is circular arc bending structure.
In conjunction with Fig. 8 and Fig. 9, described earthing assembly 6 comprises the A phase moving contact component 13-1 that is rods arranged in horizontal line, B phase moving contact component 13-2 and C phase moving contact component 13-3, A phase moving contact component 13-1, the end of B phase moving contact component 13-2 and C phase moving contact component 13-3 connects respectively A phase static contact component 12-1, B phase static contact component 12-2 and C phase static contact component 12-3, its other end respectively with A phase rotating shaft 23-1, B phase rotating shaft 23-2 and C phase rotating shaft 23-3 hold tightly, A phase rotating shaft 23-1, B phase rotating shaft 23-2 and C phase rotating shaft 23-3 are respectively by A phase bent plate bearing 21-1, B phase bent plate bearing 21-2 and C phase bent plate bearing 21-3 support and form revolute pair, between A phase bent plate bearing 21-1 and C phase bent plate bearing 21-3 torsion spring 25 is housed, between B phase bent plate bearing 21-2 fan-shaped interlock plate 22 is housed, between A phase rotating shaft 23-1 two ends and B phase rotating shaft 23-2 two ends and between B phase rotating shaft 23-2 two ends and C phase rotating shaft 23-3 two ends, be connected with respectively an alternate pull bar 15, A phase rotating shaft 23-1, B phase rotating shaft 23-2 or C phase rotating shaft 23-3 connection for transmission device, transmission device connects mutually with operating mechanism 3.
Transmission device comprises output connecting rod 4, one end of output connecting rod 4 connects mutually with operating mechanism 3, the other end is held tightly by anchor ear device with the axle of output toggle arm 19 and is connected, middle adjustable connecting-rod 20 respectively and between the connecting lever plate of output toggle arm 19 and with input connecting lever 14 between form and be rotatably connected, input connecting lever 14 and be connected and fixed with A phase rotating shaft 23-1, B phase rotating shaft 23-2 or C phase rotating shaft 23-3 and alternate pull bar 15 respectively by pin.
Claims (7)
1. the isolating switch of the band of three-phase rods arranged in horizontal line oneself compression type earthed switch, it is characterized in that: comprise the isolated knife assembly of the A that is rods arranged in horizontal line (1-1), the isolated knife assembly of B (1-2) and the isolated knife assembly of C (1-3), realize interlocking between the isolated knife assembly of A (1-1), the isolated knife assembly of B (1-2) and the isolated knife assembly of C (1-3) and the earthing assembly (6); Earthing assembly (6) is via transmission device attended operation mechanism (3), and the isolated knife assembly of A (1-1), the isolated knife assembly of B (1-2), the isolated knife assembly of C (1-3) and earthing assembly (6) are located on the steel bracket (2).
2. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 1 oneself compression type earthed switch, it is characterized in that: the isolated knife assembly of described A (1-1), the structure of the isolated knife assembly of described B (1-2) and the isolated knife assembly of described C (1-3) is identical, comprise isolation knife base (11), be provided with left insulator (10-1) and the right insulator (10-2) of rods arranged in horizontal line at isolation knife base (11), be connected with major loop structure (9) between left insulator (10-1) and the right insulator (10-2).
3. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 2 oneself compression type earthed switch, it is characterized in that: described isolation knife base (11) comprises channel-section steel base (29), be provided with for the left shaft holder (30) of fixing described left insulator (10-1) and for the right bearing seat (35) of fixing described right insulator (10-2) at channel-section steel base (29), between left shaft holder (30) and right bearing seat (35), be provided with earthing limit support board (36), the two ends of connecting rod (31) are respectively by bearing pin and left shaft holder (30) and right bearing seat (35), the two ends of input connecting rod (34) link to each other with right bearing seat (35) and connecting lever (32) by bearing pin respectively, connecting lever (32) is fixed on the cushion block (38) by connecting lever bearing (37), and cushion block (38) is fixed on the side of channel-section steel base (29).
4. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 2 oneself compression type earthed switch, it is characterized in that: described major loop structure (9) comprises the left conductive arm (40-1) that is connected and fixed with described left insulator (10-1) and the right conductive arm (40-2) that is connected and fixed with described right insulator (10-2), front end at left conductive arm (40-1) and right conductive arm (40-2) is respectively equipped with fingertip (42) and contact (43), fingertip (42) is positioned at contact (43), and the both sides outside the part outside fingertip (42) is positioned at contact (43) are respectively equipped with primary antibodie radio interference radome (41).
5. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 4 oneself compression type earthed switch, it is characterized in that: described fingertip (42) is that two rows are symmetrically arranged, the outwardly-bent rolling of its front end, two row's fingertips (42) form the horn mouth shape; The end of described contact (43) is circular arc bending structure.
6. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 1 oneself compression type earthed switch, it is characterized in that: described earthing assembly (6) comprises the A phase moving contact component (13-1) that is rods arranged in horizontal line, B phase moving contact component (13-2) and C phase moving contact component (13-3), A phase moving contact component (13-1), one end of B phase moving contact component (13-2) and C phase moving contact component (13-3) connects respectively A phase static contact component (12-1), B phase static contact component (12-2) and C phase static contact component (12-3), its other end respectively with A phase rotating shaft (23-1), B phase rotating shaft (23-2) and C phase rotating shaft (23-3) are held tightly, A phase rotating shaft (23-1), B phase rotating shaft (23-2) and C phase rotating shaft (23-3) are respectively by A phase bent plate bearing (21-1), B phase bent plate bearing (21-2) and C phase bent plate bearing (21-3) support and form revolute pair, between A phase bent plate bearing (21-1) and C phase bent plate bearing (21-3) torsion spring (25) is housed, fan-shaped interlock plate (22) is housed between B phase bent plate bearing (21-2), between A phase rotating shaft (23-1) two ends and B phase rotating shaft (23-2) two ends and between B phase rotating shaft (23-2) two ends and C phase rotating shaft (23-3) two ends, be connected with respectively an alternate pull bar (15), A phase rotating shaft (23-1), B phase rotating shaft (23-2) or C phase rotating shaft (23-3) connection for transmission device, transmission device connects mutually with operating mechanism (3).
7. the isolating switch of the band of a kind of three-phase rods arranged in horizontal line as claimed in claim 6 oneself compression type earthed switch, it is characterized in that: transmission device comprises output connecting rod (4), one end of output connecting rod (4) connects mutually with operating mechanism (3), the other end is held tightly by anchor ear device with the axle of output toggle arm (19) and is connected, middle adjustable connecting-rod (20) respectively and between the connecting lever plate of output toggle arm (19) and with input connecting lever (14) between forms and is rotatably connected, input connecting lever (14) pass through pin respectively with A phase rotating shaft (23-1), B phase rotating shaft (23-2) or C phase rotating shaft (23-3) and alternate pull bar (15) are connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104767117A CN102931021A (en) | 2012-11-21 | 2012-11-21 | Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104767117A CN102931021A (en) | 2012-11-21 | 2012-11-21 | Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102931021A true CN102931021A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104767117A Pending CN102931021A (en) | 2012-11-21 | 2012-11-21 | Three-phase horizontal line-arrayed isolating switch with self-compacting earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102931021A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360762A (en) * | 2018-09-20 | 2019-02-19 | 江苏省如高高压电器有限公司 | A kind of disconnecting switch of three-phase ganged |
| WO2020124299A1 (en) * | 2018-12-17 | 2020-06-25 | 江苏省如高高压电器有限公司 | Three-phase linkage isolating switch |
| CN113539733A (en) * | 2021-09-14 | 2021-10-22 | 智慧(如皋)高压开关有限公司 | Double-angle horizontal rotation type high-voltage isolating switch |
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|---|---|---|---|---|
| US3163736A (en) * | 1961-05-23 | 1964-12-29 | S & C Electric Co | High voltage gas type circuit interrupter |
| CN2593421Y (en) * | 2003-01-06 | 2003-12-17 | 山东泰开电气有限公司 | Outdoor high-voltage air-insulated combined electric appliance |
| CN201274252Y (en) * | 2008-10-15 | 2009-07-15 | 湖南长高高压开关集团股份公司 | DC ultra-high-voltage isolation switch |
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN201994231U (en) * | 2010-10-18 | 2011-09-28 | 山东泰开隔离开关有限公司 | Contact structure of double-column horizontal open-type outdoor high voltage AC isolating switch |
| CN203013600U (en) * | 2012-11-21 | 2013-06-19 | 正泰电气股份有限公司 | Isolating switch in three-phase in-line arrangement and with self compacting type earthing switch |
-
2012
- 2012-11-21 CN CN2012104767117A patent/CN102931021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163736A (en) * | 1961-05-23 | 1964-12-29 | S & C Electric Co | High voltage gas type circuit interrupter |
| CN2593421Y (en) * | 2003-01-06 | 2003-12-17 | 山东泰开电气有限公司 | Outdoor high-voltage air-insulated combined electric appliance |
| CN201274252Y (en) * | 2008-10-15 | 2009-07-15 | 湖南长高高压开关集团股份公司 | DC ultra-high-voltage isolation switch |
| CN201994231U (en) * | 2010-10-18 | 2011-09-28 | 山东泰开隔离开关有限公司 | Contact structure of double-column horizontal open-type outdoor high voltage AC isolating switch |
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN203013600U (en) * | 2012-11-21 | 2013-06-19 | 正泰电气股份有限公司 | Isolating switch in three-phase in-line arrangement and with self compacting type earthing switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360762A (en) * | 2018-09-20 | 2019-02-19 | 江苏省如高高压电器有限公司 | A kind of disconnecting switch of three-phase ganged |
| WO2020124299A1 (en) * | 2018-12-17 | 2020-06-25 | 江苏省如高高压电器有限公司 | Three-phase linkage isolating switch |
| CN113539733A (en) * | 2021-09-14 | 2021-10-22 | 智慧(如皋)高压开关有限公司 | Double-angle horizontal rotation type high-voltage isolating switch |
| CN113539733B (en) * | 2021-09-14 | 2021-11-30 | 智慧(如皋)高压开关有限公司 | Double-angle horizontal rotation type high-voltage isolating switch |
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Application publication date: 20130213 |