CN107240519B - A kind of tri-station isolating switch - Google Patents
A kind of tri-station isolating switch Download PDFInfo
- Publication number
- CN107240519B CN107240519B CN201710647626.5A CN201710647626A CN107240519B CN 107240519 B CN107240519 B CN 107240519B CN 201710647626 A CN201710647626 A CN 201710647626A CN 107240519 B CN107240519 B CN 107240519B
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- China
- Prior art keywords
- static contact
- insulating cylinder
- contact
- isolation
- tri
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Landscapes
- Push-Button Switches (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention proposes a kind of tri-station isolating switch, including moving contact, operating mechanism and the isolation static contact being successively obliquely installed from top to bottom, intermediate static contact and grounding static contact, the operating mechanism and an insulation spindle are sequentially connected, transmission component is provided between the insulation spindle and moving contact, the moving contact, which is arranged in the intermediate static contact, to be moved up and down in the intermediate static contact under insulation spindle drive, for being connected with isolation static contact or the grounding static contact, the first insulating cylinder is connected between the isolation static contact and intermediate static contact, make that static contact and intermediate static contact center line is isolated on the same line, the intermediate static contact with it is described static contact is isolated between be connected with the second insulating cylinder, the intermediate static contact is set to be located along the same line with static contact center line is isolated.Solve the problems, such as that center line cannot be conllinear between 3 static contacts when disconnecting switch assembly in the prior art through the invention.
Description
Technical field
The present invention relates to three stations of one kind to separate construction of switch, and in particular to the tri-station isolating switch in field is pressed in one kind
The improvement of structure.
Background technique
Disconnecting switch is as one of the core component in intermediate voltage electric power system ac metal closing switch gear, first is that rising
To current-carrying effect is held, two are to provide the effect of obvious maintenance fracture, hereinafter referred to as fracture.Disconnecting switch point is divided by function
Two station disconnecting switchs and tri-station isolating switch can provide isolation fracture and ground connection two kinds of functions of fracture simultaneously, three stations every
Leaving the isolation fracture between closing is non-contact structure, i.e., isolation static contact, intermediate 3 contacts of static contact and grounding static contact it
Between be two-by-two it is non-contact, arbitrary neighborhood between the two for disconnect fracture, due to being contactless company between 3 contacts
It connects, in assembly it is difficult to ensure that the center line of grounding static contact, intermediate static contact and isolation static contact three is located at same straight line
On.
Summary of the invention
The present invention provides a kind of temperature controller, solve disconnecting switch in the prior art assembly when 3 static contacts between center line
Problem that cannot be conllinear.
To achieve the purpose that solve above-mentioned technical problem, the present invention is using proposed tri-station isolating switch using following
Technical solution is achieved: a kind of tri-station isolating switch, including moving contact, operating mechanism and is successively obliquely installed from top to bottom
Isolation static contact, intermediate static contact and grounding static contact, the operating mechanism and insulation spindle transmission connection, for driving
The insulation spindle rotation；It is provided with transmission component between the insulation spindle and moving contact, for turning the rotation of insulation spindle
Turn to the linear motion of moving contact, the moving contact be arranged in the intermediate static contact can under insulation spindle drive
It is moved up and down in the intermediate static contact, is used to connect with isolation static contact or the grounding static contact, in the isolation stationary contact
It is connected with the first insulating cylinder between head and intermediate static contact, makes that static contact and intermediate static contact center line is isolated on the same line,
It is connected with the second insulating cylinder between the intermediate static contact and the grounding static contact, makes the intermediate static contact and ground connection stationary contact
Head center line is located along the same line.
There is also following additional technical features by the present invention:
Further, the both ends of the intermediate static contact are provided with the flange end being circumferentially arranged along the intermediate static contact
Face, the isolation static contact end are provided with along the isolation flange face that it is circumferentially arranged, and the grounding static contact end is provided with
The ground connection flange face being circumferentially arranged along it.
Further, first insulating cylinder is resisted against between the intermediate static contact and isolation static contact and passes through fastening
Part respectively with the intermediate static contact and static contact be isolated be fixedly connected, the end face of one end of first insulating cylinder and it is described in
Between the end face of flange of static contact be bonded alignment, the isolation flange face paste that static contact is isolated with described in the end face of the other end is closed and is aligned.
Further, second insulating cylinder is resisted against between the intermediate static contact and grounding static contact and passes through fastening
Part is fixedly connected with the intermediate static contact and grounding static contact respectively, the end face of one end of second insulating cylinder and it is described in
Between static contact end face of flange be bonded alignment, the end face of the other end is bonded with the ground connection flange face of the grounding static contact and is aligned.
Further, first insulating cylinder and second insulating cylinder are circular cylinder, first insulating cylinder with it is described
Second insulating cylinder radius is identical.
Further, the periphery of first insulating cylinder and second insulating cylinder is surrounded with multiple grooves, described
Groove is opened up along the axis direction of first insulating cylinder and the second insulating cylinder.
Further, the operating mechanism includes output shaft, and the output shaft is located at below the insulation spindle, described
Be provided with transition gear group between output shaft and the insulation spindle, the transition gear group include driving gear, gear shaft and from
Moving gear, the gear shaft are vertically set between the output shaft and insulation spindle, are provided at the both ends of the gear shaft
The meshing gear cooperated respectively with the driving gear and driven gear.
Further, the grounding static contact, intermediate static contact and be isolated static contact center line be located at same straight line and
There is angle between ground, the included angle is 30-60 degree.
It further, further include having the supporting insulator connecting with the intermediate static contact.
Further, first insulating cylinder and the second insulating cylinder material are epoxy resin, SMC or DMC.
There are following advantages and good effect by the present invention:
The present invention proposes a kind of tri-station isolating switch, includes moving contact, operating mechanism and successively tilts from top to bottom
The isolation static contact of setting, intermediate static contact and grounding static contact, the operating mechanism and an insulation spindle are sequentially connected, are used for
The insulation spindle is driven to rotate；It is provided with transmission component between insulation spindle and moving contact, the rotation of insulation spindle can be turned
The linear motion for turning to moving contact is moved up and down in intermediate static contact by moving contact, for realizing with isolation static contact or
The grounding static contact is connected, and realizes isolation, separating brake and combined floodgate, and the present invention is to guarantee that tri-station isolating switch is isolated in assembly
Center line is located along the same line between static contact, intermediate static contact and grounding static contact, in the isolation static contact in
Between be connected with the first insulating cylinder between static contact, make that static contact and intermediate static contact center line is isolated on the same line, described
Intermediate static contact with it is described be isolated between static contact be connected with the second insulating cylinder, make the intermediate static contact with static contact center is isolated
Line is located along the same line.Center after ensuring that 3 static contacts assemble under the premise of guaranteeing insulation and isolation fracture
Line is located along the same line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tri-station isolating switch of the present invention；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is partial enlarged view at the B of Fig. 2.
Specific embodiment
The technical scheme of the present invention will be explained in further detail with reference to the accompanying drawings and detailed description, the present invention
The embodiment for proposing a kind of tri-station isolating switch, referring to Fig.1 shown in-Fig. 3, including moving contact 1, operating mechanism 2 and on to
Under the isolation static contact 3, intermediate static contact 4 and the grounding static contact 5 that are successively obliquely installed, can be reduced by the way of being obliquely installed
Occupied space reduces the volume of tri-station isolating switch, and the operating mechanism 2 and an insulation spindle 6 are sequentially connected, for driving
The insulation spindle 6 rotates, and insulation spindle 6 is driven to rotate by operating mechanism 2；It is set between the insulation spindle 6 and moving contact 1
It is equipped with transmission component, for the transmission group by the linear motion for being converted into moving contact 1 of insulation spindle 6, in the present embodiment
Part includes the transmission gear being fixed on 6 end face of insulation spindle and the driving rack being fixedly connected with moving contact 1, passes through biography
Moving gear rotation drives driving rack and moving contact 1 to move in a straight line.
The rotation of insulation spindle 6 can drive moving contact 1 to do linear movement up and down, since the embodiment of the present invention moving contact 1 is set
It sets in the intermediate static contact 4, then it can be moved up and down in the intermediate static contact 4 under the insulation spindle 6 drive,
For connecting with isolation static contact 3 or the grounding static contact 5, the linear displacement type structure used in the present embodiment realizes isolation
The divide-shut brake of switch acts, and can reduce the volume of disconnecting switch, when moving contact 1 is fully located in intermediate static contact 4, entire three
Station disconnecting switch is in isolated location, and when it is moved up, a part is moved in isolation static contact 2, realizes and is isolated quiet
Closing position is in when contact 2 is connected, a part is moved in grounding static contact 5 and grounding static contact 5 connects when it is moved down
When logical, it is in earthing position.When in the present embodiment to guarantee that isolation static contact 3, intermediate static contact 4 and grounding static contact 5 assemble
Center line is located along the same line, and is connected with the first insulating cylinder 8 between the isolation static contact 3 and intermediate static contact 4, makes to be isolated
Static contact 3 and 4 center line of intermediate static contact on the same line, connect between the intermediate static contact 4 and the grounding static contact 5
It is connected to the second insulating cylinder 9, so that the intermediate static contact 4 is located along the same line with 5 center line of grounding static contact, then guarantees in this way
The center line of intermediate static contact 4 and isolation static contact 3, grounding static contact 5 three is located in a straight line, simultaneously because this reality
The first insulating cylinder 8 and the second insulating cylinder 9 applied in example are insulation system, insulating effect may be implemented, while can also be quiet for 3
Isolation fracture is provided between contact.And first insulating cylinder 8 and the second insulating cylinder 9 be tubular structure, centre be it is hollow, can meet dynamic
The demand mobile to isolation static contact 3 or 5 side of grounding static contact from intermediate static contact 4 of contact 1, will not be to the straight line of moving contact 1
Movement generates interference effect.
Tri-station isolating switch in the present embodiment is provided with 3 phases, the isolation static contact 3 of every phase, intermediate static contact in 3 phases
4 and grounding static contact 5 connected by the first insulating cylinder 8 and the second insulating cylinder 9, and internal moving contact 1 is corresponding and insulation master
Axis 6 is sequentially connected by transmission component.
When specific setting connection, it is provided at the both ends of the intermediate static contact 4 along the circumferential setting of the intermediate static contact 4
End face of flange 41, isolation 3 end of static contact is provided with along the isolation flange face 31 that it is circumferentially arranged, the ground connection stationary contact
First 5 end is provided with the ground connection flange face 51 being circumferentially arranged along it.First insulating cylinder 8 be resisted against the intermediate static contact 4 and every
From between static contact 3 and by fastener respectively with the intermediate static contact 4 and static contact 3 be isolated be fixedly connected, first insulate
The end face of one end of cylinder 8 is aligned with the fitting completely of the end face of flange 41 of the intermediate static contact 4, i.e. the end face of the first insulating cylinder 8
Identical with 41 cross-sectional area of end face of flange of intermediate static contact 4, shape, the perfectly aligned fitting both in cooperation is another
The end face at end is aligned with the fitting of isolation flange face 31 that static contact 3 is isolated.That is isolation flange face 31 and the first insulating cylinder 8
Other end cross sectional shape is identical with area, is bonded alignment completely in cooperation.The shape of first insulating cylinder 8 does not limit,
It is preferably circular cylinder, naturally it is also possible to be the tubular element of conically shaped or other structures, as long as the end face at its both ends is cooperating
When can correspond to and the perfectly aligned fitting in isolation flange face 31 of the end face of flange 41 of intermediate static contact 4 and isolation static contact 3
Guarantee that intermediate static contact is conllinear with isolation static contact center, this will not be repeated here.Second insulating cylinder 9 is resisted against the intermediate stationary contact
It is fixedly connected respectively with the intermediate static contact 4 and grounding static contact 5 between first 4 and grounding static contact 3 and by fastener, institute
The end face of one end of the second insulating cylinder 9 is stated to be aligned with the fitting of the end face of flange 41 of the intermediate static contact 4, the end face of the other end with
The ground connection flange face 51 of the grounding static contact 5 is bonded alignment.Second insulating cylinder 9 and intermediate static contact 4, grounding static contact 5
Cooperation is identical as the first insulating cylinder 8, does not do repeat one by one herein.
Preferably, first insulating cylinder 8 of the present embodiment and second insulating cylinder 9 are circular cylinder, first insulating cylinder 8
And 9 radius of the second insulating cylinder is identical and identical as 41 radius of end face of flange of intermediate static contact 4.
Further, multiple grooves are surrounded on first insulating cylinder 8 and the outer peripheral surface of second insulating cylinder 9
10, the groove 10 is opened up along the axis direction of first insulating cylinder 8 and the second insulating cylinder 9.The groove 10 of setting can be used for
Play the role of dividing arcing in tri-station isolating switch separating brake, realizes the function of fast arc extinction.
Further, the operating mechanism 2 in the present embodiment includes output shaft 21, and the output shaft 21 is located at described exhausted
6 lower section of edge main shaft, is provided with transition gear group 22 between the output shaft 21 and the insulation spindle 6, passes through transition gear group
22 realize the transmission connection between the output shaft and insulation spindle 6 of operating mechanism 2, and the transition gear group 22 includes driving gear
221, gear shaft 222 and driven gear 223, the gear shaft 222 be vertically set on the output shaft 21 and insulation spindle 6 it
Between, the engaging tooth cooperated respectively with the driving gear 221 and driven gear 223 is provided at the both ends of the gear shaft 222
Wheel 224.The output shaft 21 of operating mechanism 2 and insulation spindle 6 are not assembled point-blank, due in the upper of operating mechanism 2
Side is equipped with secondary chamber, for preventing operating mechanism 2 and secondary chamber from generating interference effect when being operated.
Further, the grounding static contact 5, intermediate static contact 4 and isolation static contact 3 are obliquely installed and three from top to bottom
The center line of person is located along the same line and has angle between ground, solves the tri-station isolating switch volume of the prior art
Big problem, it is preferred that the included angle is 30-60 degree.
It further, further include having the supporting insulator 42 connecting with the intermediate static contact 4.
Preferably, first insulating cylinder 8 and 9 material of the second insulating cylinder are epoxy resin, SMC or DMC.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of tri-station isolating switch, which is characterized in that be from top to bottom obliquely installed including moving contact, operating mechanism and successively
Isolation static contact, intermediate static contact and grounding static contact, the operating mechanism and insulation spindle transmission connection, for driving
The insulation spindle rotation；It is provided with transmission component between the insulation spindle and moving contact, for turning the rotation of insulation spindle
Turn to the linear motion of moving contact, the moving contact be arranged in the intermediate static contact can under insulation spindle drive
It is moved up and down in the intermediate static contact, is used to connect with isolation static contact or the grounding static contact, in the isolation stationary contact
It is connected with the first insulating cylinder between head and intermediate static contact, makes that static contact and intermediate static contact center line is isolated on the same line,
It is connected with the second insulating cylinder between the intermediate static contact and the grounding static contact, makes the intermediate static contact and ground connection stationary contact
Head center line is located along the same line.
2. tri-station isolating switch according to claim 1, which is characterized in that the both ends of the intermediate static contact are provided with
The end face of flange being circumferentially arranged along the intermediate static contact, the isolation static contact end, which is provided with, is circumferentially arranged isolation method along it
Blue face, the grounding static contact end are provided with the ground connection flange face being circumferentially arranged along it.
3. tri-station isolating switch according to claim 2, which is characterized in that first insulating cylinder is resisted against in described
Between between static contact and isolation static contact and by fastener respectively with the intermediate static contact and static contact be isolated be fixedly connected,
The end face of one end of first insulating cylinder is aligned with the fitting of the end face of flange of the intermediate static contact, the end face of the other end and institute
The isolation flange face paste for stating isolation static contact closes alignment.
4. tri-station isolating switch according to claim 2, which is characterized in that second insulating cylinder is resisted against in described
Between be fixedly connected respectively with the intermediate static contact and grounding static contact between static contact and grounding static contact and by fastener,
The end face of one end of second insulating cylinder is aligned with the fitting of the end face of flange of the intermediate static contact, the end face of the other end and institute
State the ground connection flange face fitting alignment of grounding static contact.
5. tri-station isolating switch according to claim 1, which is characterized in that first insulating cylinder is exhausted with described second
Edge cylinder is circular cylinder, and first insulating cylinder is identical as the second insulating cylinder radius.
6. tri-station isolating switch according to claim 1, which is characterized in that first insulating cylinder is exhausted with described second
The periphery of edge cylinder is surrounded with multiple grooves, and the groove is opened along the axis direction of first insulating cylinder and the second insulating cylinder
If.
7. tri-station isolating switch according to claim 1, which is characterized in that the operating mechanism includes output shaft, institute
It states output shaft to be located at below the insulation spindle, transition gear group, institute is provided between the output shaft and the insulation spindle
Stating transition gear group includes driving gear, gear shaft and driven gear, and the gear shaft is vertically set on the output shaft and absolutely
Between edge main shaft, the engaging tooth cooperated respectively with the driving gear and driven gear is provided at the both ends of the gear shaft
Wheel.
8. tri-station isolating switch according to claim 1, which is characterized in that the grounding static contact, intermediate static contact
And the center line of isolation static contact is located at same straight line and has angle between ground, the included angle is 30-60 degree.
9. tri-station isolating switch according to claim 1, which is characterized in that further include having to connect with the intermediate static contact
The supporting insulator connect.
10. tri-station isolating switch according to claim 1, which is characterized in that first insulating cylinder and the second insulation
Cylinder material is epoxy resin, SMC or DMC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647626.5A CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647626.5A CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240519A CN107240519A (en) | 2017-10-10 |
| CN107240519B true CN107240519B (en) | 2019-05-21 |
Family
ID=59989064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647626.5A Active CN107240519B (en) | 2017-08-01 | 2017-08-01 | A kind of tri-station isolating switch |
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| Country | Link |
|---|---|
| CN (1) | CN107240519B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852256A1 (en) * | 1978-12-02 | 1980-06-12 | Bbc Brown Boveri & Cie | Tensioner for linking two tubular switching elements coaxially - has metallic collar fitted to leading end of insulator tube clamped to supply tube in slot |
| CN202167402U (en) * | 2011-07-23 | 2012-03-14 | 山东泰开高压开关有限公司 | Three-position isolation grounding switch |
| CN202454478U (en) * | 2012-02-27 | 2012-09-26 | 山东兴驰高压开关有限公司 | Three-position switch |
| CN202772039U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas insulation ring-network cabinet |
| CN204204723U (en) * | 2014-10-31 | 2015-03-11 | 上海天灵开关厂有限公司 | The insulating cylinder of earthed switch in a kind of tri-station isolating switch |
| CN205230913U (en) * | 2015-11-23 | 2016-05-11 | 湖南平高开关有限公司 | Three -position isolation grounding switch |
-
2017
- 2017-08-01 CN CN201710647626.5A patent/CN107240519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2852256A1 (en) * | 1978-12-02 | 1980-06-12 | Bbc Brown Boveri & Cie | Tensioner for linking two tubular switching elements coaxially - has metallic collar fitted to leading end of insulator tube clamped to supply tube in slot |
| CN202167402U (en) * | 2011-07-23 | 2012-03-14 | 山东泰开高压开关有限公司 | Three-position isolation grounding switch |
| CN202454478U (en) * | 2012-02-27 | 2012-09-26 | 山东兴驰高压开关有限公司 | Three-position switch |
| CN202772039U (en) * | 2012-07-24 | 2013-03-06 | 上海天灵开关厂有限公司 | Pressure-operated load switch for gas insulation ring-network cabinet |
| CN204204723U (en) * | 2014-10-31 | 2015-03-11 | 上海天灵开关厂有限公司 | The insulating cylinder of earthed switch in a kind of tri-station isolating switch |
| CN205230913U (en) * | 2015-11-23 | 2016-05-11 | 湖南平高开关有限公司 | Three -position isolation grounding switch |
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| Publication number | Publication date |
|---|---|
| CN107240519A (en) | 2017-10-10 |
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Effective date of registration: 20220831 Address after: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee after: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee after: CHUAN KAI ELECTRIC Co.,Ltd. Address before: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. |