CN106229208A - Multi-stage expansion type disconnecting switch and moved end assembly thereof - Google Patents
Multi-stage expansion type disconnecting switch and moved end assembly thereof Download PDFInfo
- Publication number
- CN106229208A CN106229208A CN201610731961.9A CN201610731961A CN106229208A CN 106229208 A CN106229208 A CN 106229208A CN 201610731961 A CN201610731961 A CN 201610731961A CN 106229208 A CN106229208 A CN 106229208A
- Authority
- CN
- China
- Prior art keywords
- piston
- stage
- bracing piece
- lead
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to multi-stage expansion type disconnecting switch and moved end assembly thereof.Wherein moved end assembly includes cylinder body and piston, piston is provided with more than three grades, the first stage piston that is arranged on cylinder body including guiding movement, the second piston that guiding movement is arranged on first stage piston and the final stage piston being provided with moving contact, at least being fixed with the bracing piece parallel with the axis of piston on two-stage piston, bracing piece is arranged on cylinder body along the direction guiding movement being parallel to piston axis, on the piston of other grades or on the bracing piece of other grade of piston.Owing to being provided with bracing piece, piston and bracing piece can form frame structure so that the stability of piston is greatly increased, and the frictional force that piston itself is subject to can reduce, thus reduce abrasion, ensure the accurate of moving contact motion locus, it is to avoid produce skew, compact conformation, do not affect the setting of other parts, low cost, it is easy to accomplish, it is possible to it is effectively improved the stability of the longer concertina type disconnecting switch of divide-shut brake stroke.
Description
Technical field
The present invention relates to multi-stage expansion type disconnecting switch and moved end assembly thereof.
Background technology
Vertically folding concertina type disconnecting switch has been widely used in the transmission of electricity place such as power transmission and power test.Existing
Concertina type disconnecting switch a kind of more piece as disclosed in the Chinese patent that Authorization Notice No. is CN 103681077 B is pneumatically isolated out
Closing, including quiet end assembly and moved end assembly, quiet end assembly includes that static contact, moved end assembly include telescoping cylinder, and telescoping cylinder is more piece
Cylinder, the arbitrary displacements of cylinders in many displacements of cylinders all includes a piston rod, forms a joint piston, and whole cylinder includes guiding movement
The first stage piston that is arranged on cylinder body, the second piston that guiding movement is arranged on first stage piston and the final stage being provided with moving contact are lived
Plug.The top of the cylinder body of cylinder is provided with spacing joint, and bottom is provided with lower flange, and outside is provided with bus, and the outside of pistons at different levels is provided with
Spacing ring, the top of final stage piston is provided with moving contact, and by being flexible coupling conducting between bus and moving contact, the middle part being flexible coupling has
There is the fixing point that the spacing ring with cylinder and spacing joint are fixed.During combined floodgate, the piston of cylinder stretches out, and makes moving contact insert static contact
In, it is flexible coupling along with expansion, it is achieved circuit turn-on simultaneously；During separating brake, the piston of cylinder is retracted, and moving contact separates with static contact,
It is flexible coupling along with segmentation is folded with in moving contact bottom, it is achieved the disconnection of circuit simultaneously.By arranging multi-level piston, existing
Above-mentioned disconnecting switch is capable of bigger beginning distance, meets the use demand of high-grade voltage.
But, existing vertical folding concertina type disconnecting switch is longer, therefore in telescopic process due to vertical folding stroke
The pistons end of disconnecting switch is easy to generation and rocks, and rocks for a long time and abrasion or parts matching relationship can be caused to become
Change, and then cause the position of moving contact to produce skew, it is impossible to carrying out breaking-closing operating accurately and effectively, piston progression is the most, on
State situation the most prominent.
Summary of the invention
It is an object of the invention to provide a kind of multi-stage expansion type disconnecting switch and moved end assembly thereof, to solve in prior art
The problem that the position of moving contact easily produces skew.
For achieving the above object, the present invention the technical scheme is that multi-stage expansion type disconnecting switch, including moved end group
Part and quiet end assembly, described moved end assembly includes that cylinder body and piston, described piston are provided with more than three grades, arranges including guiding movement
Second piston that first stage piston on cylinder body, guiding movement are arranged on first stage piston and be provided with the final stage piston of moving contact,
At least being fixed with the bracing piece parallel with the axis of piston on two-stage piston, described bracing piece is along the side being parallel to piston axis
It is arranged on cylinder body to guiding movement, on the piston of other grades or on the bracing piece of other grade of piston.
Described bracing piece is the lead of the radial outside being arranged on corresponding stage piston, and the top end face of described cylinder body sets
Have and guide, for the lead on first stage piston, the pilot hole plugged.
Described lead is provided with more than three, and each lead is evenly arranged around the circumference of piston.
Coaxially being fixed with bracing piece fixed plate on the top end face of described piston, bracing piece fixed plate has stretches out piston
The annular outer of top end face, described bracing piece is fixed on described annular outer.
Described piston is provided with three grades, and described lead includes that the one-level being separately positioned on first stage piston and second piston is led
To post and two grades of leads, described one-level lead guiding movement is arranged on cylinder body, and described two grades of leads guide dynamic setting
On one-level lead.
The top of described piston is provided with moving contact, and described moving contact is cylindrical-shaped structure；Described quiet end assembly is provided with expansion
The moving contact fairlead of mouth-shaped, the opening of moving contact fairlead is towards moving contact.
The moved end assembly of multi-stage expansion type disconnecting switch, including cylinder body and piston, described piston is provided with more than three grades, including
Second piston that first stage piston that guiding movement is arranged on cylinder body, guiding movement are arranged on first stage piston and be provided with moving contact
Final stage piston, be at least fixed with the bracing piece parallel with the axis of piston on two-stage piston, described bracing piece is along being parallel to
The direction guiding movement of piston axis is arranged on cylinder body, on the piston of other grades or on the bracing piece of other grade of piston.
Described bracing piece is the lead of the radial outside being arranged on corresponding stage piston, and the top end face of described cylinder body sets
Have and guide, for the lead on first stage piston, the pilot hole plugged.
Described lead is provided with more than three, and each lead is evenly arranged around the circumference of piston.
Described piston is provided with three grades, and described lead includes that the one-level being separately positioned on first stage piston and second piston is led
To post and two grades of leads, described one-level lead guiding movement is arranged on cylinder body, and described two grades of leads guide dynamic setting
On one-level lead.
Beneficial effect: the present invention uses technique scheme, solid at least two-stage piston of multi-stage expansion type disconnecting switch
Surely having the bracing piece parallel with the axis of piston, described bracing piece is arranged on along the direction guiding movement being parallel to piston axis
On cylinder body, on the piston of other grades or on the bracing piece of other grade of piston, compared with prior art, owing to being provided with reinforcement
Bar, piston and bracing piece can form frame structure so that the stability of piston is greatly increased, the frictional force that piston itself is subject to
Can reduce, thus reduce abrasion, it is ensured that moving contact motion locus accurate, it is to avoid produce skew, compact conformation, do not affect it
The setting of his parts, low cost, it is easy to accomplish, it is possible to it is effectively improved the steady of the longer concertina type disconnecting switch of divide-shut brake stroke
Qualitative.
Further, the top of described piston is provided with moving contact, and described moving contact is cylindrical-shaped structure；Described quiet end assembly
Being provided with the moving contact fairlead of flare form, the opening of moving contact fairlead is towards moving contact, owing to piston reaches maximum
During length be easier to occur skew, therefore arrange moving contact fairlead can disconnecting switch be near completion combined floodgate or just started
There is provided for moving contact during separating brake and support, it is achieved moving contact is guided, even if skew occurs in moving contact, it is also possible to by moving contact
Fairlead is corrected, and is conducive to improving service life further, it is ensured that the reliability of breaking-closing operating, reduces operating cost.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of the moved end assembly of concertina type disconnecting switch in the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the front view of an embodiment of the quiet end assembly of concertina type disconnecting switch in the present invention；
Fig. 4 is the top view of Fig. 3.
Corresponding entitled of each reference in figure: 10-moved end assembly, 11-cylinder mounting plate, 12-cylinder, 121-cylinder
Body, 122-first stage piston, 123-second piston, 124-final stage piston, 13-bracing piece fixed plate, 131-annular outer, 141-mono-
Level lead, bis-grades of leads of 142-, 15-moving contact, 16-moving contact grading shield, 20-quiet end assembly, 21-static contact is installed
Plate, 22-static contact, 221-spliced eye, 23-moving contact fairlead, 30-conductive braided fabric copper strips.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The present invention implements such as shown in Fig. 1 ~ Fig. 4 for one of concertina type disconnecting switch, is that a kind of vertically folding is multistage stretches
Miniature disconnecting switch, including moved end assembly 10 and quiet end assembly 20.
Moved end assembly 10 includes cylinder mounting plate 11 and the cylinder 12 being fixed on cylinder mounting plate 11, and cylinder 12 includes cylinder
Three grades of pistons that body 121 and guiding movement are arranged on cylinder body 121, three grades of piston respectively guiding movements are arranged on cylinder body 121
On first stage piston 122, the second piston 123 that is arranged on first stage piston 122 of guiding movement and guiding movement be arranged on two grades
Final stage piston 124 on piston 123, three grades of pistons can stretch when using step by step.Wherein the top of final stage piston 124 is coaxially solid
Surely having moving contact 15 and moving contact grading shield 16, moving contact 15 is cylindrical-shaped structure.
Coaxially being fixed with bracing piece fixed plate 13 on the top end face of first stage piston 122, bracing piece fixed plate 13 is annular
Plate, has the annular outer 131 of the top end face stretching out piston, and centre is provided with the perforation passed for second piston 123.Annular slab
Annular outer 131 downside on be the most uniformly fixed with three cylindrical one-level leads 141, constitute and strengthen
Bar, cylinder body 121 is correspondingly provided with three and guides, only for one-level lead 141, the pilot hole plugged, it is achieved lead is along being parallel to
The direction guiding movement of piston axis.
Similarly, the top end face of second piston 123 is coaxially fixed with bracing piece fixed plate 13, bracing piece fixed plate 13
For annular slab, having the annular outer 131 of the top end face stretching out piston, centre is provided with the perforation passed for final stage piston 124.
Three cylindrical two grade leads 142, structure the most uniformly it is fixed with on the downside of the annular outer 131 of annular slab
Becoming bracing piece, the annular slab on first stage piston 122 top and one-level lead 141 are provided with two grades of guiding for second piston 123
Post 142 guides the pilot hole plugged, it is achieved two grades of leads 142 are along the direction guiding movement being parallel to piston axis.Use
Above-mentioned lead guides, with lead, the form coordinated, it is possible to reduce the length of lead, it is to avoid the long impact of length guides effect
Fruit and increase cost.
Certainly, in other embodiments, the quantity of lead can also increase and decrease as required.
Quiet end assembly 20 includes that static contact installing plate 21, static contact 22 are fixed on static contact installing plate 21, and on it
It is provided with and inserts for moving contact 15 and realize the spliced eye 221 of conducting.The dynamic of flare form it is further fixed on static contact installing plate 21
Contact fairlead 23, moving contact fairlead 23 and static contact 22 are coaxially disposed and opening is towards moving contact 15, form guiding loudspeaker
Mouth.The profile of moving contact fairlead 23 is the smooth surface of convex, it is possible to play good guide effect.
Being connected between moving contact 15 with cylinder mounting plate 11 and have conductive braided fabric copper strips 30, composition is flexible coupling, for by cylinder
The static contact installing plate 21 of installing plate 11 and quiet end assembly 20 turns on.
In the above-described embodiments, telescoping cylinder is the cylinder 12 of vertical folding, and piston is provided with three grades, in other realities of the present invention
Executing in example, telescoping cylinder can also be hydraulic cylinder, and stretch mode can also be the form of horizontal extension, and piston can also be arranged to
More than level Four.It addition, in above-described embodiment, bracing piece is the cylindrical lead of the radial outside being arranged on piston, at other
In embodiment, it is square, oval lead that bracing piece can also replace with other forms, such as cross section, or sheathed
Hollow guiding at piston exterior overlaps the bracing piece of form, and the type of attachment of lead and piston can also replace with other shapes
Formula, such as, will be arranged bending structure on lead top, be fixed on piston by bending structure.Furthermore, in other embodiments
In, it is also possible on pistons at different levels, it is respectively provided with bracing piece, and bracing piece can be arranged on cylinder body by all guiding movements, or set
Put on the piston of low one-level.
Moved end assembly in i.e. above-described embodiment of embodiment of the moved end assembly of concertina type disconnecting switch in the present invention
10, here is omitted.
Claims (10)
1. multi-stage expansion type disconnecting switch, including moved end assembly and quiet end assembly, described moved end assembly includes cylinder body and piston, institute
Stating piston and be provided with more than three grades, the first stage piston, the guiding movement that are arranged on cylinder body including guiding movement are arranged on first stage piston
On second piston and be provided with the final stage piston of moving contact, it is characterised in that: be at least fixed with the axle with piston on two-stage piston
The bracing piece that line is parallel, described bracing piece is arranged on cylinder body along the direction guiding movement being parallel to piston axis, other levels
Piston on or the bracing piece of other grade of piston on.
Multi-stage expansion type disconnecting switch the most according to claim 1, it is characterised in that: described bracing piece is corresponding for being arranged on
The lead of the radial outside of level piston, the top end face of described cylinder body is provided with to guide for the lead on first stage piston and plugs
Pilot hole.
Multi-stage expansion type disconnecting switch the most according to claim 2, it is characterised in that: described lead be provided with three with
On, each lead is evenly arranged around the circumference of piston.
4. according to the multi-stage expansion type disconnecting switch described in claim 1 or 2 or 3, it is characterised in that: the top end of described piston
Coaxially being fixed with bracing piece fixed plate on face, bracing piece fixed plate has the annular outer of the top end face stretching out piston, described
Bracing piece is fixed on described annular outer.
5. according to the multi-stage expansion type disconnecting switch described in Claims 2 or 3, it is characterised in that: described piston is provided with three grades, institute
Stating one-level lead and two grades of leads that lead includes being separately positioned on first stage piston and second piston, described one-level is led
Being arranged on cylinder body to post guiding movement, described two grades of leads guide dynamic being arranged on one-level lead.
6. according to the multi-stage expansion type disconnecting switch described in claim 1 or 2 or 3, it is characterised in that: the top of described piston sets
Having moving contact, described moving contact is cylindrical-shaped structure；Described quiet end assembly is provided with the moving contact fairlead of flare form, dynamic tactile
The opening of head fairlead is towards moving contact.
7. the moved end assembly of multi-stage expansion type disconnecting switch, including cylinder body and piston, described piston is provided with more than three grades, including leading
Second piston that first stage piston from cylinder body to movement that be arranged on, guiding movement are arranged on first stage piston and be provided with moving contact
Final stage piston, it is characterised in that: at least it is fixed with the bracing piece parallel with the axis of piston, described bracing piece edge on two-stage piston
And be parallel to the direction guiding movement of piston axis and be arranged on cylinder body, on the piston of other grades or the reinforcement of other grade of piston
On bar.
Moved end the most according to claim 7 assembly, it is characterised in that: described bracing piece is the footpath being arranged on corresponding stage piston
Lead laterally, the top end face of described cylinder body is provided with and guides, for the lead on first stage piston, the pilot hole plugged.
Moved end the most according to claim 8 assembly, it is characterised in that: described lead is provided with more than three, each lead
Circumference around piston is evenly arranged.
Moved end assembly the most according to claim 8 or claim 9, it is characterised in that: described piston is provided with three grades, described lead
Including the one-level lead being separately positioned on first stage piston and second piston and two grades of leads, described one-level lead guides
Moving and be arranged on cylinder body, described two grades of leads guide dynamic being arranged on one-level lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731961.9A CN106229208B (en) | 2016-08-26 | 2016-08-26 | Multi-stage expansion type disconnecting switch and its moved end component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731961.9A CN106229208B (en) | 2016-08-26 | 2016-08-26 | Multi-stage expansion type disconnecting switch and its moved end component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229208A true CN106229208A (en) | 2016-12-14 |
| CN106229208B CN106229208B (en) | 2018-11-02 |
Family
ID=57555340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731961.9A Active CN106229208B (en) | 2016-08-26 | 2016-08-26 | Multi-stage expansion type disconnecting switch and its moved end component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229208B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138580A (en) * | 2020-01-20 | 2021-07-20 | 青岛海尔洗衣机有限公司 | Household appliance control device, control system and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202373508U (en) * | 2011-12-15 | 2012-08-08 | 天水长城开关厂有限公司 | Moving contact device for direct-acting three-station isolating switch |
| CN103527558A (en) * | 2013-10-09 | 2014-01-22 | 三一汽车制造有限公司 | Telescopic cylinder supporting device and engineering machine |
| CN103681077A (en) * | 2013-12-13 | 2014-03-26 | 西安天顺成套电器厂 | Multi-section pneumatic disconnecting switch |
| KR20140133692A (en) * | 2013-05-10 | 2014-11-20 | (주)정인시스템 | Disconnecting switch |
-
2016
- 2016-08-26 CN CN201610731961.9A patent/CN106229208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202373508U (en) * | 2011-12-15 | 2012-08-08 | 天水长城开关厂有限公司 | Moving contact device for direct-acting three-station isolating switch |
| KR20140133692A (en) * | 2013-05-10 | 2014-11-20 | (주)정인시스템 | Disconnecting switch |
| CN103527558A (en) * | 2013-10-09 | 2014-01-22 | 三一汽车制造有限公司 | Telescopic cylinder supporting device and engineering machine |
| CN103681077A (en) * | 2013-12-13 | 2014-03-26 | 西安天顺成套电器厂 | Multi-section pneumatic disconnecting switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138580A (en) * | 2020-01-20 | 2021-07-20 | 青岛海尔洗衣机有限公司 | Household appliance control device, control system and control method thereof |
| CN113138580B (en) * | 2020-01-20 | 2023-08-25 | 青岛海尔洗衣机有限公司 | Household appliance control device, control system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106229208B (en) | 2018-11-02 |
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Address after: 467000 East of Fuxing Road and Meiyuan Road Intersection in Pingdingshan New District, Henan Province Patentee after: HENAN HIGH PRESSURE ELECTRIC APPLIANCE INSTITUTE Co.,Ltd. Address before: Pingdingshan City, Henan province 467099 Fuxing Road, new City Garden Road intersection East Patentee before: HENAN HIGH VOLTAGE APPARATUS Research Institute |