CN203013596U - Self compacting type earthing switch structure with adjustable installation position - Google Patents
Self compacting type earthing switch structure with adjustable installation position Download PDFInfo
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- CN203013596U CN203013596U CN 201220621560 CN201220621560U CN203013596U CN 203013596 U CN203013596 U CN 203013596U CN 201220621560 CN201220621560 CN 201220621560 CN 201220621560 U CN201220621560 U CN 201220621560U CN 203013596 U CN203013596 U CN 203013596U
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Abstract
The utility model relates to a self compacting type earthing switch structure with an adjustable installation position. The self compacting type earthing switch structure with the adjustable installation position comprises an A phase movable contact component, a B phase movable contact component and a C phase movable contact component. One end of the A phase movable contact component, one end of the B phase movable contact component and one end of the C phase movable contact component are respectively connected with an A phase static contact component, a B phase static contact component and a C phase static contact component. The other end of the A phase movable contact component, the other end of the B phase movable contact component and the other end of the C phase movable contact component are tightly held with interphase connecting rods. The interphase connecting rods are respectively supported by an A phase bending plate bearing, a B phase bending plate bearing and a C phase bending plate bearing to form a rotation pair. One end of a transmission device is connected with the interphase connecting rods, and the other end is connected with an operating mechanism. The transmission device converts output torque of the operating mechanism into input torque and provides the input torque to the interphase connecting rods. According to the utility model, the self compacting type earthing switch structure with the adjustable installation position has the advantages that the main conductive element has the self compacting capability; the structure is simple; the performance is reliable; the whole earthing switch is in a detachable structure, which is convenient for installation and is conducive to adjustment; and the magnitude of the through-current capability of the switch can be adjusted by increasing or decreasing the number of contact fingers of movable contacts.
Description
Technical field
The utility model relates to a kind of adjustable self-compression type earthed switch structure in novel installation site of using as outdoor AC high-voltage isolating switch attaching, be the key structure of outdoor high-voltage alternating current isolating switch in the high voltage power transmission and transforming system, belong to the high-voltage switch gear technical field.
Background technology
Usually the earthed switch of outdoor high-voltage alternating current isolating switch attaching is comprised of a fixed contact and a moving contact; when two contacts clamped fixed contact generation conductive contact at the two parallel fingertips of row of closing position moving contact, the moving contact fingertip was that outer pressing spring keeps its clamping force that continues.When contact electrically contacts place heating or the unfavorable shunting of spring insulation, can cause that all spring crosses the thermal annealing permanent deformation, lose spring function, and then initiation fingertip clamping force die-offs, contact resistance increases suddenly, makes the overheated earthed switch that burns in loop.And usually the contact installation site is fixed, and can not adjust, and is on-the-spot in service, and contact is subjected to external force that small distortion occurs just to open method and use.
Summary of the invention
The purpose of this utility model is to provide a kind of elasticity that relies on moving contact fingertip electric conducting material itself moving contact is kept its lasting clamping force, and dynamic and static contact installation site is adjustable 123～145kV high voltage isolator earthed switch conductive structure.
in order to achieve the above object, the technical solution of the utility model has been to provide the adjustable self-compression type earthed switch structure in a kind of installation site, comprise A phase moving contact component, 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 is all held tightly with interphase connecting rod, interphase connecting rod is respectively by A phase bent plate bearing, B phase bent plate bearing and C phase bent plate seat supports form revolute pair, one end of transmission device connects interphase connecting rod, other end attended operation mechanism, by transmission device, the output torque of operating mechanism is converted into input torque and offers interphase connecting rod, it is characterized in that: A phase moving contact component, the structure of B phase moving contact component and C phase moving contact component is identical, comprise supporting bracket, aluminium conduction briquetting, anchor ear one, Al pipe butt welding fingertip bearing and copper material fingertip, supporting bracket and aluminium conduction briquetting clamp Al pipe butt welding fingertip bearing, the copper material fingertip is in the slotted hole that two rows are pressed on Al pipe butt welding fingertip bearing front end, hold interphase connecting rod tightly with the anchor ear one that supporting bracket is fixing,
Transmission device comprises the output connecting rod, one end of output connecting rod connects mutually with operating mechanism, the other end is connected with the axle of output toggle arm by anchor ear two, the two ends of middle adjustable connecting-rod respectively and forms between the connecting lever plate of output toggle arm and input connecting lever and be rotatably connected are inputted connecting lever and are fixed on interphase connecting rod.
Preferably, the structure of described A phase static contact component, described B phase static contact component and described C phase static contact component is identical, comprise pressing plate, screw rod, I-shaped bearing, copper coin formula fixed contact and guide vane end stop, guide vane end stop is located on copper coin formula fixed contact, copper coin formula fixed contact and I-shaped bearing are connected and fixed, and I-shaped bearing is clamped on described copper material fingertip by pressing plate and screw rod.
Preferably, described interphase connecting rod is comprised of the sub-interphase connecting rod of multistage, and the other end of A phase moving contact component, B phase moving contact component and C phase moving contact component is held tightly with sub-interphase connecting rod separately respectively, is connected by anchor ear three between adjacent two root interphase connecting rods.
Preferably, be respectively equipped with torsion spring one, fan-shaped interlock plate and torsion spring two at interphase connecting rod on the part between A phase bent plate bearing, B phase bent plate bearing and C phase bent plate bearing.
Every described copper material fingertip front end is finger type and outwardly-bent, and the two described copper material fingertips of row (19) are symmetrically arranged, and form the horn mouth shape.
During combined floodgate, by 90 ° of corners of operating mechanism output, by middle four-bar linkage structure transmission device, pull contact to turn clockwise 85 ° in vertical plane, make moving contact be pressed into fixed contact and complete combined floodgate.Otherwise complete separating brake.At open position, earthed switch forms a fracture that significantly has reliable insulation.
The moving contact fingertip is that front end is finger type and bandy round copper rod structure, and during installation, two rows are symmetrically arranged, and form the horn mouth shape, have guide effect preferably.Adopt circle copper rod material, can continue to keep moving contact to the pressure of fixed contact, guaranteed through-flow effect.Contact and fingertip have automatically cleaning, self-adjusting function preferably.
The utility model design feature is: 1, the moving contact fingertip has oneself's compression sexual function, does not need external spring, and is simple in structure reliable; 2, moving contact two row's fingertips can be selected fingertip quantity according to size of current, increase versatility and flexibility; 3, movable contact conducting bar adopts the aluminium-alloy pipe welding, and it is lightweight, and low cost of manufacture is easy to produce; 4, moving contact two row's fingertip horn mouth shape and the board-like copper contact front end of fixed contact wedge structures, can reduce the combined floodgate resistance; 5, moving contact and fixed contact position can appropriately adjust when mounted, and convenient the installation is conducive to adjust; 6, form the fracture that significantly has reliable insulation when open position, coefficient of safety is high.
The utility model has the advantages that: main conducting element has self-compression ability, and simple in structure, dependable performance, whole earthed switch are dismountable structure, and convenient the installation is conducive to adjust.The large I of current capability of the switcher is adjusted by increasing or reduce moving contact fingertip quantity, and is convenient, flexible, of many uses.
Description of drawings
The front view of the adjustable self-compression type earthed switch structure in a kind of installation site that Fig. 1 provides for the utility model;
The end view of the adjustable self-compression type earthed switch structure in a kind of installation site that Fig. 2 provides for the utility model;
Fig. 3 is the moving contact component schematic diagram;
Fig. 4 is the static contact component schematic diagram.
Embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
as shown in Figures 1 and 2, the adjustable self-compression type earthed switch structure in a kind of installation site that the utility model provides, comprise A phase moving contact component A-1, B phase moving contact component B-1 and C phase moving contact component C-1, A phase moving contact component A-1, the end of B phase moving contact component B-1 and C phase moving contact component C-1 connects respectively A phase static contact component A-2, B phase static contact component B-2 and C phase static contact component C-2, its other end is all held tightly with interphase connecting rod 6, one end of transmission device connects interphase connecting rod 6, other end attended operation mechanism, by transmission device, the output torque of operating mechanism is converted into input torque and offers interphase connecting rod 6.
Operating mechanism can be electronic or manual as driving link, exportable 90 ° or 180 ° of corners;
The output of operating mechanism has vertically arranged output connecting rod 2 one ends in clasping structure and transmission device to link, and the other end of output connecting rod 2 is held tightly by anchor ear 21 with the axle of output toggle arm 10 and is connected.The bearing 12 of output toggle arm 10 is loaded on the base channel-section steel of isolating switch.The connecting lever plate of output toggle arm 10 is connected with middle adjustable connecting-rod 13 1 ends by pin 1, and formation is rotatably connected; Middle adjustable connecting-rod 13 other ends are connected with input connecting lever 14 with oscillating bearing by pin, also form to be rotatably connected.Input connecting lever 14 is fixed on interphase connecting rod 6 by pin,, interphase connecting rod 6 is supported by A phase bent plate bearing 3-1, B phase bent plate bearing 3-2 and C phase bent plate bearing 3-3 respectively and forms revolute pair, and is axially spacing by back-up ring 8.A phase bent plate bearing 3-1, B phase bent plate bearing 3-2 and C phase bent plate bearing 3-3 are fixed on isolating switch base channel-section steel end by Bolt Connection.Output toggle arm 10, middle adjustable connecting-rod 13 and input connecting lever 14 form the space four-links structure.In the present embodiment, interphase connecting rod 6 is comprised of 5 sub-interphase connecting rods that are fixedly connected with by anchor ear 35 levels each other.Be respectively equipped with torsion spring one 9-1, fan-shaped interlock plate 7 and torsion spring two 9-2 at interphase connecting rod 6 on the part between A phase bent plate bearing 3-1, B phase bent plate bearing 3-2 and C phase bent plate bearing 3-3.
The output torque of operating mechanism, the space four-links structure through transmission device is converted into input torque, and offers interphase connecting rod 6; Rotation by interphase connecting rod 6 offers A phase moving contact component A-1, B phase moving contact component B-1 and C phase moving contact component C-1 with torque again, thereby make its 85 ° of angle rotations that turn clockwise be pressed into A phase static contact component A-2, B phase static contact component B-2 and C phase static contact component C-2, and then complete combined floodgate.While torsion spring one 9-1 and torsion spring two 9-2 discharge torsion, and fan-shaped interlock plate 7 also enters Interlock Status along 85 ° of quiet hour hands rotations, and can not close a floodgate with the isolating switch that earthed switch is equipped with this moment, realized accurate interlocking.The conductive arm of the isolating switch that A phase static contact component A-2, B phase static contact component B-2 and C phase static contact component C-2 and earthed switch are equipped links, A phase moving contact component A-1, B phase moving contact component B-1 and C phase moving contact component C-1 are through 4 effective groundings that are flexible coupling, just form unobstructed grounded circuit after dynamic and static like this contact closing, realized the use function of earthed switch.Otherwise during separating brake.
As shown in Figure 3, the structure of A phase moving contact component A-1, B phase moving contact component B-1 and C phase moving contact component C-1 is identical, comprises supporting bracket 15, aluminium conduction briquetting 16, anchor ear 1, Al pipe butt welding fingertip bearing 18 and copper material fingertip 19.
Aluminium conduction briquetting 16 clamps Al pipe butt welding fingertip bearing 18 by bolt together with supporting bracket 15, copper material fingertip 19 is in the slotted hole that two rows are pressed on Al pipe butt welding fingertip bearing 18 front ends by screw-nut.Above as integral body, hold tightly on interphase connecting rod 6 by anchor ear 1.
As shown in Figure 4, the structure of A phase moving contact component A-1, B phase moving contact component B-1 and C phase moving contact component C-1 is identical, comprises pressing plate 20, screw rod 21, I-shaped bearing 22, copper coin formula fixed contact 23 and guide vane end stop 24.
Guide vane end stop 24 is contained in copper coin formula fixed contact 23 rear ends, then is contained in I-shaped bearing 22 lower surfaces by bolt together with copper coin formula fixed contact 23, above assembling is clamped on the isolating switch acting arm by screw rod 21 and pressing plate 20.I-shaped bearing 22 upper surfaces and isolating switch acting arm form conductive contact, lower surface and copper coin formula fixed contact 23 conductive contacts.Fixed contact can vertically appropriately adjust at conductive arm.Guide vane end stop 24 plays position-limiting action when dynamic and static contact closes a floodgate, can prevent from breaking away from when the moving contact anglec of rotation is excessive fixed contact.
Claims (5)
1. adjustable self-compression type earthed switch structure in installation site, comprise A phase moving contact component (A-1), B phase moving contact component (B-1) and C phase moving contact component (C-1), A phase moving contact component (A-1), one end of B phase moving contact component (B-1) and C phase moving contact component (C-1) connects respectively A phase static contact component (A-2), B phase static contact component (B-2) and C phase static contact component (C-2), its other end is all held tightly with interphase connecting rod (6), interphase connecting rod (6) is respectively by A phase bent plate bearing (3-1), B phase bent plate bearing (3-2) and C phase bent plate bearing (3-3) support and form revolute pair, one end of transmission device connects interphase connecting rod (6), other end attended operation mechanism, by transmission device, the output torque of operating mechanism is converted into input torque and offers interphase connecting rod (6), it is characterized in that: A phase moving contact component (A-1), the structure of B phase moving contact component (B-1) and C phase moving contact component (C-1) is identical, comprise supporting bracket (15), aluminium conduction briquetting (16), anchor ear one (17), Al pipe butt welding fingertip bearing (18) and copper material fingertip (19), supporting bracket (15) clamps Al pipe butt welding fingertip bearing (18) with aluminium conduction briquetting (16), copper material fingertip (19) is in the slotted hole that two rows are pressed on Al pipe butt welding fingertip bearing (18) front end, hold interphase connecting rod (6) tightly with the anchor ear one (17) that supporting bracket (15) is fixing,
Transmission device comprises output connecting rod (2), one end of output connecting rod (2) connects mutually with operating mechanism, the other end is connected by the axle of anchor ear two (1) with output toggle arm (10), the two ends of middle adjustable connecting-rod (13) respectively and forms between the connecting lever plate of output toggle arm (10) and input connecting lever (14) and be rotatably connected are inputted connecting lever (14) and are fixed on interphase connecting rod (6).
2. the adjustable self-compression type earthed switch structure in a kind of installation site as claimed in claim 1, it is characterized in that: described A phase static contact component (A-2), the structure of described B phase static contact component (B-2) and described C phase static contact component (C-2) is identical, comprise pressing plate (20), screw rod (21), I-shaped bearing (22), copper coin formula fixed contact (23) and guide vane end stop (24), guide vane end stop (24) is located on copper coin formula fixed contact (23), copper coin formula fixed contact (23) is connected and fixed with I-shaped bearing (22), I-shaped bearing (22) is clamped on described copper material fingertip (19) by pressing plate (20) and screw rod (21).
3. the adjustable self-compression type earthed switch structure in a kind of installation site as claimed in claim 1, it is characterized in that: described interphase connecting rod (6) is comprised of the sub-interphase connecting rod of multistage, the other end of A phase moving contact component (A-1), B phase moving contact component (B-1) and C phase moving contact component (C-1) is held tightly with sub-interphase connecting rod separately respectively, is connected by anchor ear three (5) between adjacent two root interphase connecting rods.
4. the adjustable self-compression type earthed switch structure in a kind of installation site as claimed in claim 1 is characterized in that: be respectively equipped with torsion spring one (9-1), fan-shaped interlock plate (7) and torsion spring two (9-2) on interphase connecting rod (6) is positioned at part between A phase bent plate bearing (3-1), B phase bent plate bearing (3-2) and C phase bent plate bearing (3-3).
5. the adjustable self-compression type earthed switch structure in a kind of installation site as claimed in claim 1, it is characterized in that: every described copper material fingertip (19) front end is finger type and outwardly-bent, the two described copper material fingertips of row (19) are symmetrically arranged, and form the horn mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621560 CN203013596U (en) | 2012-11-21 | 2012-11-21 | Self compacting type earthing switch structure with adjustable installation position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621560 CN203013596U (en) | 2012-11-21 | 2012-11-21 | Self compacting type earthing switch structure with adjustable installation position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013596U true CN203013596U (en) | 2013-06-19 |
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ID=48605162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621560 Expired - Lifetime CN203013596U (en) | 2012-11-21 | 2012-11-21 | Self compacting type earthing switch structure with adjustable installation position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002595A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Isolating switch operating mechanism convenient to disassemble and assemble |
| CN112151297A (en) * | 2020-09-29 | 2020-12-29 | 国网河南省电力公司经济技术研究院 | Spliced external hanging type bus grounding switch based on bus post insulator |
| CN112735897A (en) * | 2020-12-14 | 2021-04-30 | 河南平高电气股份有限公司 | Earthing switch and interphase coupling device thereof |
-
2012
- 2012-11-21 CN CN 201220621560 patent/CN203013596U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002595A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Isolating switch operating mechanism convenient to disassemble and assemble |
| CN112151297A (en) * | 2020-09-29 | 2020-12-29 | 国网河南省电力公司经济技术研究院 | Spliced external hanging type bus grounding switch based on bus post insulator |
| CN112735897A (en) * | 2020-12-14 | 2021-04-30 | 河南平高电气股份有限公司 | Earthing switch and interphase coupling device thereof |
| CN112735897B (en) * | 2020-12-14 | 2024-03-29 | 河南平高电气股份有限公司 | Grounding switch and interphase coupling device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |