CN108389751A - A kind of disconnecting switch - Google Patents
A kind of disconnecting switch Download PDFInfo
- Publication number
- CN108389751A CN108389751A CN201810433447.6A CN201810433447A CN108389751A CN 108389751 A CN108389751 A CN 108389751A CN 201810433447 A CN201810433447 A CN 201810433447A CN 108389751 A CN108389751 A CN 108389751A
- Authority
- CN
- China
- Prior art keywords
- insulator
- shaft
- plug
- strip
- disconnecting switch
- 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.)
- Pending
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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
- H01H31/026—Movable parts and contacts mounted thereon
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- Push-Button Switches (AREA)
Abstract
The present invention relates to a kind of disconnecting switch,Disconnecting switch includes pedestal,There is mounting column insulation subgroup on pedestal,Post insulator subgroup includes two and is spaced the support insulator for being arranged side by side and overhanging in the same direction,The projecting end of the support insulator is fixed with touch base,The support portion along the extension of the overhanging direction of support insulator is additionally provided on pedestal,Rotation is provided with the shaft of the central axis of axis and support insulator on the support portion,Isolated location further includes the plug-in strip assembled with shaft rotation stop,The both ends of the plug-in strip are the scratching contact for contacting with each other and being mutually disengaged respectively with corresponding two touch bases in following shaft rotation process,Shaft directly drives the structure of plug-in strip action,Eliminate intermediate link insulator,Greatly simplify the structure of running part,It is fairly simple when assembly,And efficiency of assembling is high,Save cost,Using reliable and stable.
Description
Technical field
The present invention relates to a kind of disconnecting switch.
Background technology
In electric power power transmission and transforming equipment, disconnecting switch is to realize division, conversion line and the weight for ensureing interruption maintenance safety
Want equipment.Disconnecting switch mainly has four conductive, insulation, support, transmission parts, is all made of the part on basis per part.From
Seen in structure disconnecting switch by five it is most of form, as shown in Figure 1, be respectively pedestal 1, insulator pillar 2, link insulator 6,
Contact touch base 3 and plug-in strip 5 are required for being connected with each other between various pieces, therefore the structure of traditional disconnecting switch is particularly multiple
It is miscellaneous.The principle of cut-offfing of conventional isolation switches is to drive link insulator 6 to move up by rotating shaft 4, and then push plug-in strip 5 around tactile
Seat Unscrew, is detached from contact, realizes cut-offfing for switch.And link insulator is as crucial transmission parts, needs and lock
Knife and chassis are connected with each other, therefore in the assembling process of link insulator, cumbersome with process, time-consuming longer, and yield rate
Low disadvantage.Simultaneously because the limitation of insulation distance, occupied space is larger after traditional disconnecting switch is opened, disconnecting switch
For switchgear element, the cabinet size of bigger is needed accordingly.
Invention content
The purpose of the present invention is to provide a kind of disconnecting switch, to solve disconnecting switch in the prior art since transmission is tied
Structure is complicated and leads to the problem of assembling process is cumbersome, time-consuming.
To achieve the above object, a kind of technical solution of disconnecting switch of the present invention is：
A kind of disconnecting switch, including pedestal have on pedestal mounting column to insulate subgroup, post insulator subgroup include two intervals simultaneously
The support insulator that arrangement sets and overhangs in the same direction, the projecting end of the support insulator are fixed with touch base, edge are additionally provided on pedestal
The support portion that the overhanging direction of support insulator extends, on the support portion rotation be provided with the center of axis and support insulator
The vertical shaft of line, isolated location further include the plug-in strip assembled with shaft rotation stop, and the both ends of the plug-in strip are to follow shaft
The scratching contact for contacting with each other and being mutually disengaged respectively with corresponding two touch bases in rotation process.
Further, in order to save the size in the front-back direction of disconnecting switch, the central shaft at the both ends of plug-in strip to shaft
The distance of line is consistent.The length of the both sides of the pivot center of plug-in strip is set to be consistent, it can be into one in the rotation process of plug-in strip
Step saves the size in the front-back direction of disconnecting switch.
Further, in order to realize the steady contact between plug-in strip and touch base, the corresponding same post insulator subgroup
The contact jaw of two touch bases it is opposite toward each other.When positioned opposite, scratch and connect between the contact and corresponding touch base on plug-in strip
It touches, ensures the stability of contact.
Further, in order to ensure the stability of contact, the contact jaw of touch base is slab structure, and scratching contact, which has, to be used
It is equipped with contact in the inner wall of the open slot being folded in outside the plate shape two side of corresponding touch base, open slot.Both ends when rotated
Notch coordinate with corresponding touch base, contact is contacted with touch base, realize connection.
Further, in order to ensure the stability of contact, contact is there are two more than.Multiconductor, which is realized, to be steadily contacted.
Further, in order to realize the transmission support of shaft, the both ends outside of the rotation axis of plug-in strip is located on pedestal
It is connected and is supported by end connecting insulator equipped with support shaft, between support shaft and shaft.
Further, in order to realize that three-phase synchronous is cut-off, the post insulator subgroup has more than two, and each pillar is exhausted
Axis arranged for interval of the corresponding plug-in strip of edge subgroup along shaft.
Further, in order to ensure the requirement of creepage distance, each corresponding plug-in strip of post insulator subgroup configures
There is shaft, intermediate connecting insulator is connected between adjacent two shafts.Insulation is to ensure between making two adjacent plug-in strips
The requirement of creepage distance.
Further, in order to realize that the reliable and stable connection of various pieces, the intermediate connecting insulator are connected with end
The both ends of insulator all have flange connection.
Further, in order to save the integral thickness size after part installation, the pedestal includes bottom plate and along vertical
In the support plate that the plate face of bottom plate extends, the support insulator is arranged on bottom plate, and prolonging in support plate is arranged in the shaft
Stretch end.The integral thickness size after part installation can be saved by slab structure, and facilitates installation.
The beneficial effects of the invention are as follows：Compared with the prior art, disconnecting switch according to the present invention, by pedestal
Support portion along the extension of the overhanging direction of support insulator is set, and shaft is rotatably arranged on support portion, and by plug-in strip
Coordinate with support portion rotation stop, is arranged in actual operating process in this way, can directly control plug-in strip by shaft enables plug-in strip
Enough rotations are cut-off, and the reliability cut-off is increased, meanwhile, this structure that plug-in strip action is directly driven by shaft saves
Intermediate link insulator has been removed, has greatly simplified the structure of running part, when assembly is fairly simple, and efficiency of assembling
Height saves cost.Furthermore the axis of shaft is vertical with the overhanging direction of support insulator, and the both ends of plug-in strip are that scratching is touched
The form of head, the pivot center of plug-in strip is centrally located, and the overall dimensions of disconnecting switch reduce, and dramatically saves switch and beats
Rear occupied space is opened, can ensure the stability of driving in this way, while ensureing alternate spacing and interpolar spacing, uses stabilization
Reliably.
Description of the drawings
Fig. 1 is the structural schematic diagram of disconnecting switch in the prior art；
Fig. 2 is the example structure schematic diagram of the disconnecting switch of the present invention；
Fig. 3 is the left view of Fig. 2.
Reference sign：1- pedestals；2- support insulators；3- contact touch bases；4- shafts；5- plug-in strips；The contacts 51-；52-
Open slot；6- link insulators；7- pedestals；71- bottom plates；72- support plates；8- touch bases；11- support shafts；Connection insulation among 12
Son；The ends 13- connecting insulator.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the disconnecting switch of the present invention, as shown in Figure 2 to Figure 3, which includes pedestal 1, pillar
Insulator 2, touch base 8, shaft 4, plug-in strip 5 etc..In the present embodiment, pedestal 1 is the carrier is carrier of other parts, including bottom plate
71 and along perpendicular to bottom plate 71 plate face extend support plate 72, above-mentioned support insulator 2 be arranged on bottom plate 71, it is above-mentioned
Shaft 4 is arranged in support plate 72, and corresponding bottom plate 71 is equipped with the support portion of mounting column insulator 2, is set in support plate 72
It is to combine the integrated board formed by bottom plate 71 and support plate 72 to have the support portion of installation shaft 4, pedestal 1, passes through slab structure energy
The integral thickness size after part installation is enough saved, certainly, in other embodiments, the structure type of pedestal 1, which can not be done, to be had
Body limit, those skilled in the art can according to it is actual require it is arbitrarily devised, it is thus only necessary to ensure the support portion on pedestal 1
It is not on the same plane of support insulator 2 with mounting portion.
For support insulator 2, structure type is almost the same with the prior art, the axis edge of support insulator 2
Plate face perpendicular to bottom plate 71 extends, and corresponding two support insulators of the same plug-in strip constitute a post insulator subgroup,
Define 5 corresponding two support insulators 2 of same plug-in strip arranged for interval along the vertical direction, each support insulator 2 is towards a left side
Side overhangs, then above-mentioned touch base 8 is separately mounted to the left end of corresponding support insulator 2.
For shaft 4, in the present embodiment, shaft 4 is rotatably arranged on support portion, and the axis of shaft 4 is before
Rear direction extends, meanwhile, above-mentioned plug-in strip 5 is assemblied in shaft 4, and is coordinated so that plug-in strip 5 is following shaft with 4 rotation stop of shaft
It contacts with each other and is mutually disengaged with corresponding touch base 8 during 4 rotations, in the actual use process, pass through operating mechanism
It controls shaft 4 to rotate, and then plug-in strip 5 is driven to rotate along on facade in the front-back direction.Compared with the prior art
In by shaft 4 drive link insulator action, and then pull plug-in strip 5 rotate form, plug-in strip is directly controlled using shaft 4
5, which enable plug-in strip 5 to rotate, cut-offs, and increases the reliability cut-off, and also eliminates intermediate link insulator, greatly letter
The structure of running part is changed.
Meanwhile in the present embodiment, the pivot center of shaft 4 is between corresponding two touch bases 8, i.e., in 4 band of shaft
During dynamic plug-in strip 5 rotates, the both ends of plug-in strip 5 are the scratching contact contacted respectively with corresponding touch base 8.Phase is set in this way
It is more hinged than in 5 one end of plug-in strip in the prior art, for the form of one end cantilever rotation, since the pivot center of plug-in strip 5 is located at
Centre position, the left and right directions of disconnecting switch and the overall dimensions of upper and lower directions reduce, and dramatically save institute after switch is opened
The space occupied.
Certainly, in other embodiments, can also being arranged with plug-in strip 5 in the prior art, by one end of plug-in strip 5 with
Corresponding touch base 8 is articulated and connected, although setting can not achieve the saving of occupied space in this way, can also pass through original
Link insulator controls the driving form that plug-in strip 5 acts and simplifies, and is changed into shaft 4 and directly drives the rotation of plug-in strip 5, assembly is simpler
It is single and efficient.
Further it should be noted that in the present embodiment, the rotary centerline of above-mentioned shaft 4 is just at correspondence
Two touch bases 8 center, and the centerline of the center line of shaft 4 and two touch bases 8 is on same straight line, in this way
The length that the both sides for the pivot center that can make plug-in strip 5 are arranged is consistent, and can further be saved in the rotation process of plug-in strip 5
Save the size in the front-back direction of disconnecting switch.Certainly, in other embodiments, the rotary centerline of shaft 4 may be at two
Any position between a touch base 8.
For touch base 8, in the present embodiment, each touch base 8 is platy structure, and the plate face extension side of touch base 8
To vertical with the rotation axis of plug-in strip 5.The contact position of touch base 8 is distributed in the plate face of both sides, in 5 rotary course of plug-in strip
It is contacted with the scratching of plug-in strip 5.
For plug-in strip 5, in the present embodiment, center is equipped with and is passed through for shaft 4 and fixed centre bore, together
When at the both ends of plug-in strip 5 offer the open slot 52 that can be folded in the both sides plate face of plug touch base 8, the both sides side of open slot 52
Wall is contacted with the both sides plate face scratching of corresponding touch base 8, while being formed equipped with multiple contacts 51 on the side wall of open slot 52
The scratching contact can ensure the stability of contact in this way.During the work time, shaft 4 drives plug-in strip 5 to rotate to plug-in strip 5,
Open slot 52 with corresponding touch base 8 cooperation at both ends, contact 51 are contacted with touch base 8 when rotation, realize connection.
Further, one switch unit of composition between each plug-in strip 5 and corresponding touch base 8 is defined, in the present embodiment,
There are three switch units, and correspondence cut-offs three-phase circuit.Plug-in strip 5 in three switch units arranges along the axially spaced-apart of shaft 4, together
When, it is located on the outside of the left and right directions of three plug-in strips 5 on bottom plate 71 and is additionally provided with support end, support end is equipped with support shaft 11,
In support shaft 11 be with the output end of operating mechanism transmission cooperation input shaft, in the present embodiment, in order to realize actuating knot
The output end of structure can be driven with each shaft 4 to be coordinated, three shafts 4 be located at outermost two shafts 4 in left and right with it is corresponding
Two support shafts 11 between be connected with end connecting insulator 13.Simultaneously centre is additionally provided between two adjacent shafts 4
Connecting insulator 12.The both ends of end connecting insulator 13 and intermediate connecting insulator 12 be cast with flange connection respectively and
Corresponding insulator is linked together with shaft and support shaft；It certainly in other embodiments, can be according to the actual needs
The connection structure of selection and insulator cast, when being such as connected by screw bolts, can pour into a mould threaded hole etc..End connecting insulator 13
It is connected to and the support of countershaft 4 with the setting of intermediate connecting insulator 12 in addition to that can realize the transmission of each shaft 4, while
Insulation is to ensure the requirement of creepage distance between capable of making two adjacent plug-in strips 5.Certainly, in other embodiments, can also
The structure type that the one whole shaft 4 extended using left and right is separately connected three plug-in strips 5 realizes connection, and shaft 4 is insulation at this time
Structure.
Disconnecting switch according to the present invention cancels pull rod insulation on the basis of ensureing insulation distance and structural behaviour
Sub- dependency structure changes chassis and scratches the structure of contact and touch base 8, is only cut-off by the realization of rotating shaft 4, to reach
To structure is simplified, the purpose of cost and improving production efficiency and correlated performance is reduced.
In other embodiments, the setting of 5 upper open slot 52 of plug-in strip could be provided as slab structure, with corresponding touch base 8
Plate face mutually scratch contact；Can also on plug-in strip 5 arranging plate shape contact jaw, it is corresponding on touch base 8 be arranged open slot 52.
In other embodiments, it can be not provided with intermediate standoff, left and right, which extends, on bottom plate 71 wears input shaft, and passes through
Gear drive coordinates respectively at each shaft 4 realizes driving.
Claims (10)
1. a kind of disconnecting switch, it is characterised in that：Including pedestal, there are mounting column insulation subgroup, post insulator subgroup on pedestal
It is spaced the support insulator for being arranged side by side and overhanging in the same direction including two, the projecting end of the support insulator is fixed with touch base,
It is additionally provided with the support portion along the extension of the overhanging direction of support insulator on pedestal, is rotated on the support portion and is provided with axis and branch
The shaft of the central axis of column insulator, isolated location further include the plug-in strip assembled with shaft rotation stop, the both ends of the plug-in strip
It is the scratching contact for contacting with each other and being mutually disengaged respectively with corresponding two touch bases in following shaft rotation process.
2. disconnecting switch according to claim 1, it is characterised in that：Distance of the both ends of plug-in strip to the central axis of shaft
Unanimously.
3. disconnecting switch according to claim 1 or 2, it is characterised in that：Two of the corresponding same post insulator subgroup
The contact jaw of touch base it is opposite toward each other.
4. disconnecting switch according to claim 3, it is characterised in that：The contact jaw of touch base is slab structure, scratches contact
With the open slot for being folded in outside the plate shape two side of corresponding touch base, the inner wall of open slot is equipped with contact.
5. disconnecting switch according to claim 4, it is characterised in that：Contact is there are two more than.
6. disconnecting switch according to claim 1 or 2, it is characterised in that：Positioned at the two of the rotation axis of plug-in strip on pedestal
End outside is equipped with support shaft, is connected and is supported by end connecting insulator between support shaft and shaft.
7. disconnecting switch according to claim 6, it is characterised in that：The post insulator subgroup have it is more than two, it is each
Axis arranged for interval of the corresponding plug-in strip of post insulator subgroup along shaft.
8. disconnecting switch according to claim 7, it is characterised in that：Each corresponding plug-in strip of post insulator subgroup is matched
It is equipped with shaft, intermediate connecting insulator is connected between adjacent two shafts.
9. disconnecting switch according to claim 8, it is characterised in that：The intermediate connecting insulator connects insulation with end
The both ends of son all have flange connection.
10. disconnecting switch according to claim 1 or 2, it is characterised in that：The pedestal includes bottom plate and edge the bottom of perpendicular to
The support plate that the plate face of plate extends, the support insulator are arranged on bottom plate, and the elongated end in support plate is arranged in the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433447.6A CN108389751A (en) | 2018-05-08 | 2018-05-08 | A kind of disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433447.6A CN108389751A (en) | 2018-05-08 | 2018-05-08 | A kind of disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108389751A true CN108389751A (en) | 2018-08-10 |
Family
ID=63071421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433447.6A Pending CN108389751A (en) | 2018-05-08 | 2018-05-08 | A kind of disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389751A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378540Y (en) * | 2009-04-15 | 2010-01-06 | 北京北广科技股份有限公司 | High-power high-frequency switch knife set and switch |
| CN202434408U (en) * | 2011-12-29 | 2012-09-12 | 仪征市电瓷电器有限责任公司 | Medium-voltage gas insulation isolation switch |
| CN102856111A (en) * | 2012-10-07 | 2013-01-02 | 成都中工电气工程有限公司 | Grounding cutter of rail traffic grounding device |
| CN202996670U (en) * | 2012-12-07 | 2013-06-12 | 坦帕（福建）电气有限公司 | A fuse-type disconnecting switch capable of being disassembled |
| CN205542553U (en) * | 2016-02-29 | 2016-08-31 | 河南平高电气股份有限公司 | Isolating switch |
| CN205595264U (en) * | 2016-05-12 | 2016-09-21 | 国网安徽省电力公司检修公司 | Be suitable for isolator of narrow and small space divide -shut brake |
| CN205723312U (en) * | 2016-06-16 | 2016-11-23 | 北京科锐博实电气设备有限公司 | A kind of long-life disconnecting switch |
| CN208093423U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | Disconnecting switch |
-
2018
- 2018-05-08 CN CN201810433447.6A patent/CN108389751A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378540Y (en) * | 2009-04-15 | 2010-01-06 | 北京北广科技股份有限公司 | High-power high-frequency switch knife set and switch |
| CN202434408U (en) * | 2011-12-29 | 2012-09-12 | 仪征市电瓷电器有限责任公司 | Medium-voltage gas insulation isolation switch |
| CN102856111A (en) * | 2012-10-07 | 2013-01-02 | 成都中工电气工程有限公司 | Grounding cutter of rail traffic grounding device |
| CN202996670U (en) * | 2012-12-07 | 2013-06-12 | 坦帕（福建）电气有限公司 | A fuse-type disconnecting switch capable of being disassembled |
| CN205542553U (en) * | 2016-02-29 | 2016-08-31 | 河南平高电气股份有限公司 | Isolating switch |
| CN205595264U (en) * | 2016-05-12 | 2016-09-21 | 国网安徽省电力公司检修公司 | Be suitable for isolator of narrow and small space divide -shut brake |
| CN205723312U (en) * | 2016-06-16 | 2016-11-23 | 北京科锐博实电气设备有限公司 | A kind of long-life disconnecting switch |
| CN208093423U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | Disconnecting switch |
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