CN108417420A - A kind of interlocking transmission device of three-phase breaker automatic transfer switch - Google Patents
A kind of interlocking transmission device of three-phase breaker automatic transfer switch Download PDFInfo
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- CN108417420A CN108417420A CN201810069536.7A CN201810069536A CN108417420A CN 108417420 A CN108417420 A CN 108417420A CN 201810069536 A CN201810069536 A CN 201810069536A CN 108417420 A CN108417420 A CN 108417420A
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- phase circuit
- circuit breaker
- cam turntable
- phase
- rotation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of three-phases for single-phase circuit breaker to interlock transmission device, including：Three single-phase circuit breakers；Each single-phase circuit breaker can be by the way that when realizing closing operation and sub-switching operation, rotation axis realizes the rotation of respective direction；It is fixedly installed corresponding cam turntable in the rotation axis of each single-phase circuit breaker, the rotation of rotation axis can drive the rotation of cam turntable, each cam turntable to be respectively formed on corresponding concave-convex opening；Any one single-phase circuit breaker in three single-phase circuit breakers can inhibit the rotation of adjacent single-phase circuit breaker upper rotary shaft after combined floodgate by the concave-convex opening on cam turntable.This programme can prevent the false switching operation of machinery.
Description
Technical field
The present invention relates to a kind of controller switching equipment technical field more particularly to a kind of connection of three-phase breaker automatic transfer switch
Lock transmission device.
Background technology
The low excitation impedance transformer grounding protective device of power distribution network is that one kind being directed to neutral point not solidly grounded system, ground connection
Protective device acquires the busbar voltage of power supply system, residual voltage, when singlephase earth fault occurs for power supply system, ground protection
Device can quickly judge to be out of order separate, and output corresponding separate single-phase circuit breaker reclosing command, by earth fault phase with connect
Earth mat is directly connected to；It realizes parallel shunt, voltage clamping, plays and extinguish fault point electric arc, shorten the human body electrification time, prevent list
Phase earth fault arcing evolves into phase fault, prevents intermittent grounding surge from burning the purpose of electrical equipment.
Currently, one-phase ground protection device mainly uses electric interlock, any two list in three single-phase circuit breakers is realized
The operation driving locking that phase breaker cannot close a floodgate simultaneously, determines each according to the auxiliary contact of three single-phase vacuum circuit breakers
The division position of single-phase circuit breaker meets other two single-phase open circuit after any one single-phase circuit breaker closes a floodgate using electric interlock
Device cannot close a floodgate simultaneously.
However, the prior art can not prevent the false switching operation of machinery.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of interlockings of three-phase breaker automatic transfer switch
Transmission device, to prevent the false switching of machinery from operating.
An embodiment of the present invention provides a kind of interlocking transmission devices of three-phase breaker automatic transfer switch, including：Three
Single-phase circuit breaker；For each single-phase circuit breaker when realizing closing operation and sub-switching operation, rotation axis realizes the rotation of respective direction；
It is fixedly installed corresponding cam turntable in the rotation axis of each single-phase circuit breaker, the rotation of rotation axis can drive cam turntable
Rotation, each cam turntable has been respectively formed on corresponding concave-convex opening；Any one single-phase circuit breaker in three single-phase circuit breakers
After combined floodgate, the rotation of adjacent single-phase circuit breaker upper rotary shaft can be inhibited by the concave-convex opening on cam turntable.
Preferably, three single-phase circuit breakers are arranged in a straight line in a word；
The both sides of cam turntable on the single-phase circuit breaker of centre position are each formed with concave-convex opening, end positions single-phase circuit breaker
On cam turntable be formed with concave-convex opening in the side towards centre position；
Further comprise：One link mechanism；The both ends of the link mechanism are connected to both ends position by connecting shaft respectively
It sets on the cam turntable of single-phase circuit breaker, cam turntable is fixed setting with connecting shaft；One end of the link mechanism is provided with
The both ends of sliding groove, the sliding groove are respectively arranged with limit hole, and the connecting shaft with the sliding groove in the same end can be described
Sliding in sliding groove, the limit hole at the sliding groove both ends is for limiting the limit position that connecting shaft is slided in the sliding groove
It sets；
Any single-phase circuit breaker in both ends can make to be stuck in the cunning in the connecting shaft of the same end with the sliding groove after combined floodgate
In the limit hole of dynamic slot, to inhibit the rotation of other end single-phase circuit breaker upper rotary shaft.
Preferably, it is respectively arranged with gasket in the connecting shaft at both ends, the installation position of gasket is link mechanism far from convex
The side for taking turns turntable, is provided with split pin, split pin is for realizing linkage on side of the gasket far from link mechanism
Fixation.
Preferably, the single-phase circuit breaker of both sides is centrosymmetric setting with intermediate single-phase circuit breaker.
Preferably, three single-phase circuit breakers are located at three vertex positions of triangle；
The both sides of cam turntable on each single-phase circuit breaker are each formed with concave-convex opening.
Preferably, the triangle that three single-phase circuit breakers are formed is equilateral triangle.
According to the above aspect of the present invention, the present invention has at least the following advantages：
1, this programme, by the way that cam turntable, the rotation of rotation axis are fixedly installed in the rotation axis of each single-phase circuit breaker
The rotation of cam turntable can be driven, each cam turntable has been respectively formed on corresponding concave-convex opening, any in three single-phase circuit breakers
A single-phase circuit breaker drives rotation axis rotation when closing a floodgate, and the concave-convex opening on cam turntable can inhibit to be turned on adjacent single-phase circuit breaker
The rotation of moving axis so that the rotation axis card resistance on adjacent single-phase circuit breaker, even if under mechanical working if cannot achieve combined floodgate behaviour
Make, so as to prevent the false switching operation of machinery.
2, this programme, it is convex on the single-phase circuit breaker of centre position by the way that three single-phase circuit breakers are arranged in a straight line in a word
The both sides of wheel turntable are each formed with concave-convex opening, and the cam turntable on end positions single-phase circuit breaker is in the side towards centre position
Be formed with concave-convex opening, inhibit the rotation of rotation axis between adjacent single-phase circuit breaker by concave-convex opening, the unidirectional breaker at both ends it
Between by the way that a link mechanism is arranged, any single-phase circuit breaker in both ends can make with the sliding groove after combined floodgate in the same end
Connecting shaft is stuck in the limit hole of the sliding groove, to inhibit the rotation of other end single-phase circuit breaker upper rotary shaft so that can be with
Prevent the false switching operation of machinery.
3, this programme, by the way that three single-phase circuit breakers are separately positioned at three vertex positions of triangle, in this way, appointing
Adjacent between two single-phase circuit breakers of meaning, the both sides of the cam turntable on each single-phase circuit breaker are each formed with concave-convex opening,
The rotation for inhibiting rotation axis between adjacent single-phase circuit breaker by concave-convex opening, so as to prevent the false switching operation of machinery.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for interlocking transmission device that the embodiment of the present invention 1 provides；
Fig. 2 is three cam turntables when three single-phase circuit breakers are gate-dividing state that the embodiment of the present invention 1 provides
Location diagram；
Fig. 3 is the structural relation figure of link mechanism and cam turntable that the embodiment of the present invention 1 provides；
The position relationship of three cam turntables when Fig. 4 is the single-phase circuit breaker A closing operations of the offer of the embodiment of the present invention 1
Figure；
The position relationship of three cam turntables when Fig. 5 is the single-phase circuit breaker B closing operations of the offer of the embodiment of the present invention 1
Figure；
The position relationship of three cam turntables when Fig. 6 is the single-phase circuit breaker C closing operations of the offer of the embodiment of the present invention 1
Figure；
Fig. 7 is a kind of structural schematic diagram for interlocking transmission device that the embodiment of the present invention 2 provides；
Fig. 8 is three cam turntables when three single-phase circuit breakers are gate-dividing state that the embodiment of the present invention 2 provides
Position expands into the relational graph of plane；
The position of three cam turntables expands into when Fig. 9 is the single-phase circuit breaker A closing operations of the offer of the embodiment of the present invention 2
The relational graph of plane；
The position expansion of three cam turntables when Figure 10 is the single-phase circuit breaker B closing operations of the offer of the embodiment of the present invention 2
For the relational graph of plane；
The position expansion of three cam turntables when Figure 11 is the single-phase circuit breaker C closing operations of the offer of the embodiment of the present invention 2
For the relational graph of plane.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of interlocking transmission device of three-phase breaker automatic transfer switch described in a preferred embodiment of the present invention, packet
It includes：Three single-phase circuit breakers；For each single-phase circuit breaker when realizing closing operation and sub-switching operation, rotation axis realizes respective direction
Rotation；It is fixedly installed corresponding cam turntable in the rotation axis of each single-phase circuit breaker, the rotation of rotation axis can drive
The rotation of cam turntable, each cam turntable have been respectively formed on corresponding concave-convex opening；Any one list in three single-phase circuit breakers
Phase breaker can inhibit the rotation of adjacent single-phase circuit breaker upper rotary shaft after combined floodgate by the concave-convex opening on cam turntable.
In the above embodiment of the present invention, each single-phase circuit breaker is when carrying out closing operation, the moving contact of single-phase circuit breaker
Can by electromagnetic actuation and overcome spring force axially move realization close a floodgate, when carrying out sub-switching operation, spring force after dead electricity
Release realizes that separating brake, switch closing and switch opening process pass through the rack of axial movement and the gear mating band turn moving axis of circular motion
Rotation shows circuit breaker position state；By the way that cam turntable, rotation axis are fixedly installed in the rotation axis of each single-phase circuit breaker
Rotation the rotation of cam turntable, each cam turntable can be driven to be respectively formed on corresponding concave-convex opening, three single-phase circuit breakers
Any of single-phase circuit breaker drive rotation axis rotation, the concave-convex opening on cam turntable to can inhibit adjacent single-phase open circuit when closing a floodgate
The rotation of device upper rotary shaft so that the rotation axis card resistance on adjacent single-phase circuit breaker, limitation moving contact axially move, even if
Under mechanically actuated, closing operation is also cannot achieve, so as to prevent the false switching operation of machinery.And the interlocking transmission of this programme
Apparatus structure is simple, more steady to the control of single-phase circuit breaker, sensitive.
Interlocking transmission device can prevent the false switching of machinery from operating to realize the present invention, three in the interlocking transmission device
The arrangement mode of single-phase circuit breaker at least may include the following two kinds：Three single-phase circuit breakers are arranged in a straight line in a word, and, three
A single-phase circuit breaker is located at three vertex positions of triangle.It is respectively below single-phase circuit breaker with three single-phase circuit breakers
A, for single-phase circuit breaker B and single-phase circuit breaker C, the structure of two kinds of interlocking transmission devices is illustrated respectively.
Embodiment 1
Referring to FIG. 1, single-phase circuit breaker A, single-phase circuit breaker B, single-phase circuit breaker C are arranged in a straight line in a word.Single-phase open circuit
It is cased with cam turntable 1 in the rotation axis of device A, cam turntable 5 is cased in the rotation axis of single-phase circuit breaker B, single-phase circuit breaker C's turns
Cam turntable 6 is cased on moving axis.And cam turntable is fixed on the rotating shaft, it is corresponding single-phase disconnected when rotation axis rotates clockwise
Road device is closing operation, and when rotation axis rotates counterclockwise, corresponding single-phase circuit breaker is sub-switching operation, and the rotation of rotation axis can band
Moving cam turntable is correspondingly rotated.
Referring to FIG. 2, when being in gate-dividing state for three single-phase circuit breakers, the location diagram of three cam turntables.
Shape of the cam turntable 1 in the side towards cam turntable 5 is sector structure, and bumps are formed in sector structure
Mouthful, concave-convex opening includes upper convex surface 1a, lower convex surface 1b and centre concave surface 1c.
Cam turntable 5 is being sector structure towards cam turntable 1, the shape towards the side of cam turntable 6, and each
Sector structure has been respectively formed on concave-convex opening, the concave-convex opening towards the side of cam turntable 1 include upper convex surface 5a, lower convex surface 5b and in
Between concave surface 5c, the concave-convex opening towards the side of cam turntable 6 includes upper convex surface 5d, lower convex surface 5e and centre concave surface 5f.
Shape of the cam turntable 6 in the side towards cam turntable 5 is sector structure, and bumps are formed in sector structure
Mouthful, concave-convex opening includes upper convex surface 6a, lower convex surface 6b and centre concave surface 6c.
Mutual restriction is realized by link mechanism 4 between cam turntable 1 and cam turntable 6.One end of link mechanism 4 passes through
Connecting shaft 2 is connected on cam turntable 1, and the other end of link mechanism 4 is connected to by connecting shaft 7 on cam turntable 6, wherein
Cam turntable is fixed setting with connecting shaft.Wherein, link mechanism 4 is provided with sliding groove 8 on the side of cam turntable 6, and
The both ends of sliding groove 8 are respectively arranged with limit hole 81 and limit hole 82.And connecting shaft 7 can be slided in sliding groove 8, wherein sliding
The limit hole at dynamic 8 both ends of slot is used to limit the extreme position that connecting shaft 7 is slided in the sliding groove 8.
After single-phase circuit breaker A or single-phase circuit breaker C close a floodgate, connecting shaft 7 can be made to be stuck in the limit hole of sliding groove 8, used
To inhibit the rotation of single-phase circuit breaker C or single-phase circuit breaker A upper rotary shafts.
In an embodiment of the invention, gasket is further provided in connecting shaft 2 and/or connecting shaft 7, gasket is set
Set is set to side of the link mechanism far from cam turntable, is provided with split pin on side of the gasket far from link mechanism, opens
Mouth sells the fixation for realizing linkage.Wherein, installation position such as Fig. 2 of the split pin 3 on cam turntable 1 and gasket 9
Shown in Fig. 3.The setting of gasket and split pin is for realizing being fixedly connected between link mechanism and cam turntable.And connecting rod machine
Structure can be rotated centered on connecting shaft 2, and rotation angle realizes limitation by limit hole 81 and limit hole 82.
It, can also be real by the way of gasket and split pin in order to ensure being fixedly connected between cam turntable and rotation axis
The installation position of the fixation of existing cam turntable and rotation axis, split pin is rotation the tip of the axis, and the installation position of gasket is convex
It takes turns between turntable and split pin, can not only ensure that the fixation of cam turntable is reliable, and cam turntable is upon wear, it can be with
More convenient replacement.
In an embodiment of the invention, single-phase circuit breaker A and single-phase circuit breaker C are centered on single-phase circuit breaker B, in being in
The heart is symmetrical arranged.
It is illustrated by taking the process that single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C close a floodgate respectively as an example below.
1, the closing operation of single-phase circuit breaker A
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker A
Closing operation, single-phase circuit breaker A rotation axis rotate clockwise, and the turned position of cam turntable 1 please refers to Fig.4, wherein cam turns
The intermediate concave surface 5c of upper convex surface 1a and cam turntable 5 on disk 1 form restrictive function so that single-phase circuit breaker B can not be clockwise
Rotation axis is rotated to carry out closing operation；During single-phase circuit breaker A rotates clockwise rotation axis and realizes closing operation, connection
The sliding in sliding groove 8 of axis 7, and after single-phase circuit breaker A closing operations, connecting shaft is stuck in the limit hole 81 of sliding groove 8, is made
Rotation axis can not be rotated clockwise to carry out closing operation by obtaining single-phase circuit breaker C.In this way, single-phase circuit breaker A is after combined floodgate, it is single-phase
Breaker B and single-phase circuit breaker C cannot achieve the closing operation of machinery.
2, the closing operation of single-phase circuit breaker B
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker B
Closing operation, single-phase circuit breaker B rotation axis rotate clockwise, and the turned position of cam turntable 5 is referring to FIG. 5, wherein, cam turns
Intermediate concave surface 1c on lower convex surface 5b and cam turntable 1 on disk 5 forms restrictive function so that single-phase circuit breaker A can not up time
Needle rotates rotation axis to carry out closing operation；The intermediate concave surface 6c on upper convex surface 5d and cam turntable 6 on cam turntable 5 is formed
Restrictive function so that single-phase circuit breaker C can not rotate clockwise rotation axis to carry out closing operation.In this way, single-phase circuit breaker B exists
After combined floodgate, single-phase circuit breaker A and single-phase circuit breaker C cannot achieve mechanical closing operation.
3, the closing operation of single-phase circuit breaker C
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker C
Closing operation, single-phase circuit breaker C rotation axis rotate clockwise, and the turned position of cam turntable 6 is referring to FIG. 6, wherein, cam turns
The intermediate concave surface 5f of concave surface 6b and cam turntable 5 on disk 6 form restrictive function so that single-phase circuit breaker B can not be clockwise
Rotation axis is rotated to carry out closing operation；During single-phase circuit breaker C rotates clockwise rotation axis and realizes closing operation, connection
The sliding in sliding groove 8 of axis 7, and after single-phase circuit breaker C closing operations, connecting shaft is stuck in the limit hole 82 of sliding groove 8, is made
Rotation axis can not be rotated clockwise to carry out closing operation by obtaining single-phase circuit breaker A.In this way, single-phase circuit breaker C is after combined floodgate, it is single-phase
Breaker A and single-phase circuit breaker B cannot achieve the closing operation of machinery.
Embodiment 2
Referring to FIG. 7, single-phase circuit breaker A, single-phase circuit breaker B, single-phase circuit breaker C are located at three vertex of triangle
Position；Wherein, it is cased with cam turntable 1 in the rotation axis of single-phase circuit breaker A, cam is cased in the rotation axis of single-phase circuit breaker B and is turned
Disk 5 is cased with cam turntable 6 in the rotation axis of single-phase circuit breaker C.And cam turntable is fixed on the rotating shaft, when rotation axis up time
When needle rotates, corresponding single-phase circuit breaker is closing operation, and when rotation axis rotates counterclockwise, corresponding single-phase circuit breaker is grasped for separating brake
Make, the rotation of rotation axis can drive cam turntable to be correspondingly rotated.The both sides of cam turntable on each single-phase circuit breaker
It is each formed with concave-convex opening.
Referring to FIG. 8, when being in gate-dividing state for three single-phase circuit breakers, the position of three cam turntables expands into
The relational graph of plane.
Concave-convex opening of the cam turntable 1 in the side towards cam turntable 6 includes upper convex surface 1a, lower convex surface 1b and intermediate concave surface
1c, concave-convex opening of the cam turntable 1 in the side towards cam turntable 5 include upper convex surface 1d, lower convex surface 1e and centre concave surface 1f.
Concave-convex opening of the cam turntable 5 in the side towards cam turntable 1 includes upper convex surface 5a, lower convex surface 5b and intermediate concave surface
5c, concave-convex opening of the cam turntable 5 in the side towards cam turntable 6 include upper convex surface 5d, lower convex surface 5e and centre concave surface 5f.
Concave-convex opening of the cam turntable 6 in the side towards cam turntable 5 includes upper convex surface 6a, lower convex surface 6b and intermediate concave surface
6c, concave-convex opening of the cam turntable 6 in the side towards cam turntable 1 include upper convex surface 6d, lower convex surface 6e and centre concave surface 6f.
It, can also be real by the way of gasket and split pin in order to ensure being fixedly connected between cam turntable and rotation axis
The installation position of the fixation of existing cam turntable and rotation axis, split pin is rotation the tip of the axis, and the installation position of gasket is convex
It takes turns between turntable and split pin, can not only ensure that the fixation of cam turntable is reliable, and cam turntable is upon wear, it can be with
More convenient replacement.
In an embodiment of the invention, the triangle that single-phase circuit breaker A, single-phase circuit breaker B, single-phase circuit breaker C are formed
For equilateral triangle.
It is illustrated by taking the process that single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C close a floodgate respectively as an example below.
1, the closing operation of single-phase circuit breaker A
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker A
Closing operation, single-phase circuit breaker A rotation axis rotate clockwise, and the turned position of cam turntable 1 is referring to FIG. 9, wherein, cam turns
Intermediate concave surface 6f on lower convex surface 1b and cam turntable 6 on disk 1 forms restrictive function so that single-phase circuit breaker C can not up time
Needle rotates rotation axis to carry out closing operation；The intermediate concave surface 5c on upper convex surface 1d and cam turntable 5 on cam turntable 1 is formed
Restrictive function so that single-phase circuit breaker B can not rotate clockwise rotation axis to carry out closing operation.In this way, single-phase circuit breaker A exists
After combined floodgate, single-phase circuit breaker B and single-phase circuit breaker C cannot achieve mechanical closing operation.
2, the closing operation of single-phase circuit breaker B
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker B
Closing operation, single-phase circuit breaker B rotation axis rotate clockwise, and the turned position of cam turntable 5 is referring to FIG. 10, wherein, cam
Intermediate concave surface 1f on lower convex surface 5b and cam turntable 1 on turntable 5 forms restrictive function so that single-phase circuit breaker A can not be suitable
Hour hands rotate rotation axis to carry out closing operation；The intermediate concave surface 6c shapes on upper convex surface 5d and cam turntable 6 on cam turntable 5
At restrictive function so that single-phase circuit breaker C can not rotate clockwise rotation axis to carry out closing operation.In this way, single-phase circuit breaker B
After combined floodgate, single-phase circuit breaker A and single-phase circuit breaker C cannot achieve mechanical closing operation.
3, the closing operation of single-phase circuit breaker C
In the case where single-phase circuit breaker A, single-phase circuit breaker B and single-phase circuit breaker C are in gate-dividing state, to single-phase circuit breaker C
Closing operation, single-phase circuit breaker C rotation axis rotate clockwise, and the turned position of cam turntable 6 please refers to Fig.1 1, wherein cam
Intermediate concave surface 5f on lower convex surface 6b and cam turntable 5 on turntable 6 forms restrictive function so that single-phase circuit breaker B can not be suitable
Hour hands rotate rotation axis to carry out closing operation；The intermediate concave surface 1c shapes on upper convex surface 6d and cam turntable 1 on cam turntable 6
At restrictive function so that single-phase circuit breaker A can not rotate clockwise rotation axis to carry out closing operation.In this way, single-phase circuit breaker C
After combined floodgate, single-phase circuit breaker A and single-phase circuit breaker B cannot achieve mechanical closing operation.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of interlocking transmission device of three-phase breaker automatic transfer switch, which is characterized in that including：Three single-phase open circuits
Device；For each single-phase circuit breaker when realizing closing operation and sub-switching operation, rotation axis realizes the rotation of respective direction；It is each single-phase
Corresponding cam turntable is fixedly installed in the rotation axis of breaker, the rotation of rotation axis can drive the rotation of cam turntable,
Each cam turntable has been respectively formed on corresponding concave-convex opening；Any one single-phase circuit breaker in three single-phase circuit breakers is closing a floodgate
Afterwards, the rotation of adjacent single-phase circuit breaker upper rotary shaft can be inhibited by the concave-convex opening on cam turntable.
2. interlocking transmission device according to claim 1, which is characterized in that three single-phase circuit breakers are arranged in a straight line in a word；
The both sides of cam turntable on the single-phase circuit breaker of centre position are each formed with concave-convex opening, on end positions single-phase circuit breaker
Cam turntable is formed with concave-convex opening in the side towards centre position；
Further comprise：One link mechanism；The both ends of the link mechanism are connected to end positions list by connecting shaft respectively
On the cam turntable of phase breaker, cam turntable is fixed setting with connecting shaft；One end of the link mechanism is provided with sliding
The both ends of slot, the sliding groove are respectively arranged with limit hole, and the connecting shaft with the sliding groove in the same end can be in the sliding
Sliding in slot, the limit hole at the sliding groove both ends is for limiting the extreme position that connecting shaft is slided in the sliding groove；
Any single-phase circuit breaker in both ends can make to be stuck in the sliding groove in the connecting shaft of the same end with the sliding groove after combined floodgate
Limit hole in, to inhibit the rotation of other end single-phase circuit breaker upper rotary shaft.
3. interlocking transmission device according to claim 2, which is characterized in that be respectively arranged with pad in the connecting shaft at both ends
The installation position of piece, gasket is side of the link mechanism far from cam turntable, is arranged on side of the gasket far from link mechanism
Have a split pin, split pin for realizing linkage fixation.
4. interlocking transmission device according to claim 2, which is characterized in that the single-phase circuit breaker of both sides is with the single-phase disconnected of centre
Road device is centrosymmetric setting.
5. interlocking transmission device according to claim 1, which is characterized in that three single-phase circuit breakers are located at triangle
Three vertex positions；
The both sides of cam turntable on each single-phase circuit breaker are each formed with concave-convex opening.
6. interlocking transmission device according to claim 5, which is characterized in that three single-phase circuit breakers formed triangle be etc.
Side triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069536.7A CN108417420B (en) | 2018-01-24 | 2018-01-24 | A kind of interlocking transmission device of three-phase breaker automatic transfer switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069536.7A CN108417420B (en) | 2018-01-24 | 2018-01-24 | A kind of interlocking transmission device of three-phase breaker automatic transfer switch |
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| Publication Number | Publication Date |
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| CN108417420A true CN108417420A (en) | 2018-08-17 |
| CN108417420B CN108417420B (en) | 2019-06-14 |
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| CN201810069536.7A Active CN108417420B (en) | 2018-01-24 | 2018-01-24 | A kind of interlocking transmission device of three-phase breaker automatic transfer switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201502A (en) * | 2020-09-30 | 2021-01-08 | 国网安徽省电力有限公司芜湖县供电公司 | Double-knife unit multi-path electric brake device |
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| CN203491148U (en) * | 2013-10-15 | 2014-03-19 | 杭州电器开关有限公司 | Device for interlocking isolating switch and grounding switch |
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| EP0768687A1 (en) * | 1995-10-13 | 1997-04-16 | Gec Alsthom T Et D Sa | Drive mechanism for signalling contacts of an electrical apparatus, particularly of an isolator or a HV earthing switch |
| CN203491148U (en) * | 2013-10-15 | 2014-03-19 | 杭州电器开关有限公司 | Device for interlocking isolating switch and grounding switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201502A (en) * | 2020-09-30 | 2021-01-08 | 国网安徽省电力有限公司芜湖县供电公司 | Double-knife unit multi-path electric brake device |
| CN112201502B (en) * | 2020-09-30 | 2023-05-30 | 国网安徽省电力有限公司芜湖市湾沚区供电公司 | Double-cutter unit multipath electric switch device |
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| CN108417420B (en) | 2019-06-14 |
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