CN207611711U - A kind of tri-station isolating switch - Google Patents
A kind of tri-station isolating switch Download PDFInfo
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- CN207611711U CN207611711U CN201721898907.XU CN201721898907U CN207611711U CN 207611711 U CN207611711 U CN 207611711U CN 201721898907 U CN201721898907 U CN 201721898907U CN 207611711 U CN207611711 U CN 207611711U
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Abstract
The utility model proposes a kind of tri-station isolating switch, including moving contact, operating mechanism and isolation static contact, intermediate static contact and grounding static contact, operating mechanism and an insulation spindle to be sequentially connected；It is provided with transmission component 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, the insulating supporting component includes insulation support plate and insulating cylinder, insulating cylinder is fixed on the insulation support plate, the both ends of insulation support plate are respectively arranged with the first mounting groove, second mounting groove, the grounding static contact, isolation static contact is separately positioned in first mounting groove and the second mounting groove, the intermediate static contact is arranged on the insulating cylinder, the isolation static contact, intermediate static contact and grounding static contact center line are located along the same line.Center line cannot be conllinear between 3 static contacts when solving the problems, such as that disconnecting switch in the prior art is assembled by the utility model.
Description
Technical field
The utility model is related to three stations of one kind separating construction of switch, and in particular to a kind of three stations isolation in middle pressure field
The improvement of construction of switch.
Background technology
Disconnecting switch is as one of the core component in intermediate voltage electric power system ac metal closing switch gear, first, rising
To current-carrying effect is held, two are to provide the effect of apparent 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
It is non-contact structure to leave the isolation fracture between closing, that is, be isolated 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 be 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.
Utility model content
The utility model provides a kind of tri-station isolating switch, solve when disconnecting switch assembly in the prior art 3 it is quiet
The problem that center line cannot be conllinear between contact.
To achieve the purpose that solve above-mentioned technical problem, the utility model is used using proposed tri-station isolating switch
Following technical scheme is achieved：
A kind of tri-station isolating switch, including moving contact, operating mechanism and the isolation that is obliquely installed successively from top to bottom are quiet
Contact, intermediate static contact and grounding static contact, the operating mechanism and an insulation spindle are sequentially connected, for driving the insulation
Main axis；It is provided with transmission component between the insulation spindle and moving contact, for converting the rotation of insulation spindle to dynamic touch
The linear motion of head, the moving contact is arranged in the intermediate static contact can be under insulation spindle drive in the centre
Moved up and down in static contact, be used for isolation static contact or the grounding static contact connect, further include be useful for ensuring to be isolated it is quiet
The insulating supporting component of contact, intermediate static contact and grounding static contact centerline collineation, the insulating supporting component include insulation
Support plate and insulating cylinder, the insulating cylinder are fixed on the insulation support plate, and the both ends of the insulation support plate are respectively set
There is the first mounting groove, the second mounting groove, the grounding static contact, isolation static contact are separately positioned on first mounting groove and the
In two mounting grooves, the intermediate static contact is arranged on the insulating cylinder, and the isolation static contact, intermediate static contact and ground connection are quiet
Contact center line is located along the same line.
There is also following additional technical features for the utility model：
Further, the insulating cylinder upper end offers the curved mounting surface that can be adapted to intermediate static contact, the insulation
Cylinder lower end be provided be screwed into the insulation support plate tighten screw thread.
Further, it is provided with the first mounting hole on the insulating cylinder, is provided on the intermediate static contact
Two mounting holes, the intermediate static contact are assemblied on the curved mounting surface and pass through the first mounting hole and the second peace by bolt
Dress is fixedly connected in hole with the insulating cylinder.
Further, the center line of first mounting groove, the center line of second mounting groove and the insulating cylinder arc
The center of circle of shape mounting surface is conllinear.
Further, first mounting groove be can be with the circular trough of the grounding static contact shape adaptation, the ground connection
Static contact is inserted into the circular trough.
Further, hole is provided through on second mounting groove, the isolation static contact passes through described behind hole
Fixation is tightened by bolt.
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, in being provided at both ends with for the gear shaft
The meshing gear coordinated 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
It is 30-60 degree to have angle, the included angle between ground.
There are following advantages and good effect for the utility model：
Include moving contact, operating mechanism and from top to bottom successively the utility model proposes a kind of tri-station isolating switch
Isolation static contact, intermediate static contact and the grounding static contact being obliquely installed, the operating mechanism and an insulation spindle are sequentially connected,
For driving the insulation spindle to rotate；It is provided with transmission component between insulation spindle and moving contact, insulation spindle can be turned
Turn turns to the linear motion of moving contact, is moved up and down in intermediate static contact by moving contact, for realizing with isolation stationary contact
Head or the grounding static contact are connected, and realize that isolation, separating brake and combined floodgate, the utility model are to ensure that tri-station isolating switch is filling
Center line is located along the same line between timing isolation static contact, intermediate static contact and grounding static contact, one insulation branch of setting
Isolation static contact, grounding static contact are arranged on insulation support plate for fagging and insulating cylinder, and the setting of intermediate static contact is being insulated
On cylinder, when insulation support plate and insulating cylinder are processed, i.e., it will be used to assemble isolation static contact, grounding static contact, intermediate static contact
The first mounting groove, the second mounting groove and insulating cylinder location determination, ensureing that insulation and isolation fracture under the premise of ensure 3
Center line after static contact assembles is located along the same line.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model tri-station isolating switch；
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 implementation mode
The technical solution of the utility model is described in further detail with reference to the accompanying drawings and detailed description, this
Utility model proposes a kind of embodiment of tri-station isolating switch, referring to Fig.1 shown in-Fig. 3, including moving contact 1, operating mechanism 2
Isolation static contact 3, intermediate static contact 4 and the grounding static contact 5 being obliquely installed successively from top to bottom, using the side being obliquely installed
Formula can reduce occupied space, reduce 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 to rotate, insulation spindle 6 is driven to rotate by operating mechanism 2；The insulation spindle 6 with it is dynamic
It is provided with transmission component between contact 1, for by the linear motion for being converted into moving contact 1 of insulation spindle 6, in the present embodiment
Transmission component include the transmission gear being fixed on 6 end face of insulation spindle and the driving cog being fixedly connected with moving contact 1
Item is rotated by transmission gear and driving rack and moving contact 1 is driven 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 moving contact 1 of the present embodiment is set
It sets in the intermediate static contact 4, then it can be moved up and down under the drive of the insulation spindle 6 in the intermediate static contact 4,
For being connected 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, is realized 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.
Center line is located at when in the present embodiment to ensure that isolation static contact 3, intermediate static contact 4 and grounding static contact 5 assemble
On same straight line, the exhausted of static contact 3, intermediate static contact 4 and 5 centerline collineation of grounding static contact is isolated for ensuring in one group of setting
Edge support component, the insulating supporting component include insulation support plate 7 and insulating cylinder 8, and the insulating cylinder 8 is fixed on the insulation
In support plate 7, it is preferred that insulation support plate 7 is the harden structure of bending, includes the first bending segment being connected in sequence, the
Two bending segments, third bending segment, the 4th bending segment, the 5th bending segment and the 6th bending segment are bent in the first bending segment and second
It is formed with first mounting groove, the second bending segment, third bending segment, the 4th bending segment, the 5th bending segment and the 6th between section
Bending segment all has angle per between adjacent two sections, it is preferred that the second bending segment and third bend intersegmental angle and be：120
Degree, third bending segment and the 4th intersegmental angle of bending are：100 degree, the 4th bending segment and the 5th intersegmental angle of bending are 100 degree,
5th bending segment and the 6th bending segment angle are：90 degree.
The both ends of the insulation support plate 7 are respectively arranged with the first mounting groove 71, the second mounting groove 72, and the first mounting groove
71 and second mounting groove 72 in being oppositely arranged, the grounding static contact 5, isolation static contact 3 are separately positioned on first installation
In slot 71 and the second mounting groove 72, the intermediate static contact 4 is arranged on the insulating cylinder 8, specifically, the insulating cylinder upper end
The curved mounting surface that can be adapted to intermediate static contact 4 is offered, the intermediate static contact 4 is assemblied in the curved mounting surface,
The first mounting hole is provided on the insulating cylinder 8, the first mounting hole is provided with 2, is symmetricly set on the two of insulating cylinder 8
Side is provided with the second mounting hole on the intermediate static contact 4, is symmetricly set on the both sides of intermediate static contact 4, when fixed,
It is fixed after passing through the second mounting hole and the first mounting hole by bolt.8 lower end of the insulating cylinder, which is provided with, is screwed into the insulation branch
Fagging 7 tightens screw thread, and threaded hole is provided on insulation support plate 7, and insulating cylinder 8, which is screwed into insulation support plate 7, realizes fixation.
Further, to ensure that it is same that the isolation static contact 3, intermediate static contact 4 and 5 center line of grounding static contact are located at
On straight line, the center line of first mounting groove in the present embodiment, the center line of second mounting groove and the insulating cylinder
The center of circle of curved mounting surface is conllinear.
Further, first mounting groove 71 be can with the circular trough of 5 shape adaptation of the grounding static contact, it is described to connect
Ground static contact 3 is inserted into the circular trough.
Further, hole is provided through on second mounting groove 72, the isolation static contact 3 passes through described across hole
Fixation is tightened by bolt afterwards.
Insulating effect not only may be implemented in the cooperation of insulation support plate 7 and insulating cylinder 8 in through this embodiment, simultaneously also
Isolation fracture can be provided between 3 static contacts.
Tri-station isolating switch in the present embodiment is provided with 3 phases, isolation static contact 3, intermediate static contact in 3 phases per phase
4 are connected by insulation support plate with insulating cylinder with grounding static contact 5, and internal moving contact 1 corresponds to and insulation spindle 6 passes through
Transmission component is sequentially connected.
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, transition gear group 22 is provided between the output shaft 21 and the insulation spindle 6, passes through transition gear group
22 realize that the drive connection between the output shaft and insulation spindle 6 of operating mechanism 2, the transition gear group 22 include 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, it is provided at both ends with the engaging tooth coordinated respectively with the driving gear 221 and driven gear 223 in 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 from generating interference effect when being operated with secondary chamber.
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.
Above example is only to illustrate the technical solution of the utility model, rather than is limited；Although with reference to before
Embodiment is stated the utility model is described in detail, it for those of ordinary skill in the art, still can be right
Technical solution recorded in previous embodiment is modified or equivalent replacement of some of the technical features；And these
Modifications or substitutions, the utility model technical solution claimed that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of tri-station isolating switch, including moving contact, operating mechanism and the isolation stationary contact being obliquely installed successively from top to bottom
Head, intermediate static contact and grounding static contact, the operating mechanism and an insulation spindle are sequentially connected, for driving the insulation to lead
Shaft rotation is dynamic；It is provided with transmission component between the insulation spindle and moving contact, for converting the rotation of insulation spindle to moving contact
Linear motion, the moving contact is arranged in the intermediate static contact can be quiet in the centre under insulation spindle drive
It is moved up and down in contact, is used to connect with isolation static contact or the grounding static contact, which is characterized in that further include being useful for really
Protect the insulating supporting component of isolation static contact, intermediate static contact and grounding static contact centerline collineation, the insulating supporting component
Including insulation support plate and insulating cylinder, the insulating cylinder is fixed on the insulation support plate, the both ends of the insulation support plate
It is respectively arranged with the first mounting groove, the second mounting groove, the grounding static contact, isolation static contact are separately positioned on first peace
In tankage and the second mounting groove, the intermediate static contact is arranged on the insulating cylinder, the isolation static contact, intermediate static contact
It is located along the same line with grounding static contact center line.
2. tri-station isolating switch according to claim 1, which is characterized in that the insulating cylinder upper end offers can be in
Between the curved mounting surface that is adapted to of static contact, the insulating cylinder lower end be provided be screwed into the insulation support plate tighten screw thread.
3. tri-station isolating switch according to claim 2, which is characterized in that be provided with first on the insulating cylinder
Mounting hole, is provided with the second mounting hole on the intermediate static contact, and the intermediate static contact is assemblied in the curved mounting surface
It above and is passed through in the first mounting hole and the second mounting hole by bolt and is fixedly connected with the insulating cylinder.
4. tri-station isolating switch according to claim 2, which is characterized in that the center line of first mounting groove, institute
The center of circle of the center line and the insulating cylinder curved mounting surface of stating the second mounting groove is conllinear.
5. tri-station isolating switch according to claim 1, which is characterized in that first mounting groove is that can be connect with described
The circular trough of ground static contact shape adaptation, the grounding static contact are inserted into the circular trough.
6. tri-station isolating switch according to claim 1, which is characterized in that be provided through on second mounting groove
Hole, the isolation static contact tighten fixation behind hole across described by bolt.
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
It includes driving gear, gear shaft and driven gear to state transition gear group, and the gear shaft is vertically set on the output shaft and absolutely
Between edge main shaft, the engaging tooth coordinated respectively with the driving gear and driven gear is provided at both ends in 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898907.XU CN207611711U (en) | 2017-12-29 | 2017-12-29 | A kind of tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898907.XU CN207611711U (en) | 2017-12-29 | 2017-12-29 | A kind of tri-station isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611711U true CN207611711U (en) | 2018-07-13 |
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ID=62799935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721898907.XU Active CN207611711U (en) | 2017-12-29 | 2017-12-29 | A kind of tri-station isolating switch |
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| Country | Link |
|---|---|
| CN (1) | CN207611711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
-
2017
- 2017-12-29 CN CN201721898907.XU patent/CN207611711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
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