CN207116319U - A kind of vacuum circuit breaker mechanical interlocks - Google Patents
A kind of vacuum circuit breaker mechanical interlocks Download PDFInfo
- Publication number
- CN207116319U CN207116319U CN201721057378.0U CN201721057378U CN207116319U CN 207116319 U CN207116319 U CN 207116319U CN 201721057378 U CN201721057378 U CN 201721057378U CN 207116319 U CN207116319 U CN 207116319U
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- China
- Prior art keywords
- clamping head
- interlocking
- combined floodgate
- interlocking shaft
- installation housing
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Abstract
The utility model discloses a kind of vacuum circuit breaker mechanical interlocks,It is related to breaker fittings equipment technical field,The utility model includes the first interlocking mechanism,Second interlocking mechanism and tri-interlocking device,First interlocking mechanism,Second interlocking mechanism and tri-interlocking device include mounting bracket and the installation housing being fixedly connected with mounting bracket,Procedure lock is provided with installation housing,Procedure lock locking bar is through installation housing and extends in mounting shell body,Interlock assembly and spacing fixed plate are provided with mounting shell body,Spacing fixed plate is fixedly connected with installation housing,One end of interlock assembly is in contact with procedure lock locking bar,It is external that the other end through spacing fixed plate extends to mounting shell,The dynamic clamping head and quiet clamping head of interlock assembly resilience can be driven by being provided with mounting shell body,The utility model has simple in construction,When can greatly improve 10kV system two-way incoming powers and two operation of throwing of mother three the advantages of the power supply reliability of vacuum circuit breaker.
Description
Technical field
Breaker fittings equipment technical field is the utility model is related to, more particularly to a kind of vacuum circuit breaker machinery
Interlock.
Background technology
In power system, the main function of switch cubicle is to be generated electricity in power system, transmitted electricity, the conversion of distribution and electric energy
During, carry out folding, control and protection electrical equipment.Part in switch cubicle mainly has breaker, operating mechanism, mutual inductance
Device and various protection devices etc. form, and wherein the earthed switch of disconnecting switch realizes the keying with breaker by interlock
Linkage.
With the development of electric material technology, various vacuum circuit breakers are got a lot of applications, and existing 10kV vacuum is broken
Road device largely without set of mechanical locking, is required for reality of the complete set of equipments producer in complete assembling according to switch cubicle
Border situation increases the mechanical device such as steel wire rope interlocking vacuum circuit breaker newly, but make-up machinery interlock so easily occurs
Switch cubicle collided during installation and transportation it is impaired, the problem of so as to influence the mechanical interlocking stability of vacuum circuit breaker so that
The security reliability of switch cabinet equipment cannot ensure.
Breaker can close, carry and cut-off the electric current under normal loop condition, with the continuous development of society, very
More important power supply place has all been powered, traditional interlock method using two-way power supply (two power distribution cabinets+contact cabinet)
Only match somebody with somebody two keys for the interlock of " three two keys of lock ", that is, three breakers, two keys are plugged and could protected simultaneously
Demonstrate,prove two breakers therein while lead to, another is disconnected, but the interlock structure of existing two unification point is complicated, makes
Cost is higher, and security is inadequate, and action is unreliable, the situation of maloperation easily occurs, and this brings hidden danger to power supply safety, holds
Easily cause the generation with electrification.
Utility model content
The purpose of this utility model is：In order to solve, existing mechanical interlocking device for circuit breaker action is insecure to ask
Topic, the utility model provides a kind of vacuum circuit breaker mechanical interlocks, simple in construction, can greatly improve 10kV system two-way
The power supply reliability of vacuum circuit breaker when incoming power and mother three throw two operations.
The utility model specifically uses following technical scheme to achieve these goals：
A kind of vacuum circuit breaker mechanical interlocks, including the first interlocking mechanism, the second interlocking mechanism and the 3rd interlocking machine
Structure, it is characterised in that：First interlocking mechanism, the second interlocking mechanism and tri-interlocking device include mounting bracket and with peace
The installation housing that dress support is fixedly connected, install and procedure lock is provided with housing, procedure lock locking bar is through installation housing and extends
Into mounting shell body, interlock assembly and spacing fixed plate are provided with mounting shell body, spacing fixed plate is fixed with installation housing to be connected
Connect, one end of interlock assembly is in contact with procedure lock locking bar, external, installation that the other end through spacing fixed plate extends to mounting shell
The dynamic clamping head and quiet clamping head of interlock assembly resilience can be driven by being provided with housing.
Further, the interlock assembly includes combined floodgate interlocking shaft, tripping operation interlocking shaft and connection combined floodgate interlocking shaft with jumping
The connecting plate of lock interlocking shaft, connecting plate are in contact with procedure lock locking bar, dynamic clamping head and quiet clamping head include respectively with combined floodgate interlocking shaft and jump
It is respectively arranged with the combined floodgate elastic component that lock interlocking shaft coordinates and the elastic component that trips, combined floodgate interlocking shaft and tripping operation interlocking shaft to closing a floodgate
One end of the elastic component dynamic clamping head and quiet clamping head limiting plate spacing with tripping operation elastic component progress, combined floodgate elastic component and the elastic component that trips is with dividing
It is not fixedly connected with dynamic clamping head and quiet clamping head limiting plate, the other end is fixedly connected with spacing fixed plate respectively.
Further, the combined floodgate elastic component and tripping operation elastic component are to be respectively sleeved at combined floodgate interlocking shaft and tripping operation interlocking shaft
On spring, the one end of dynamic clamping head and quiet clamping head limiting plate away from spring is respectively connected with reinforcement limited block.
Further, the installation housing includes upper cover plate, left cover, front shroud and right cover plate, connecting plate respectively with a left side
Cover plate and right cover plate are slidably connected.
Further, symmetrically dug on the left cover and right cover plate for entering spacing spacing of line slip to connecting plate
Groove.
Operation principle of the present utility model is as follows：
By mounting bracket and housing is installed by the first interlocking mechanism of the present utility model, the second interlocking mechanism and the 3rd
Latch mechanism is separately mounted on breaker one, breaker two and breaker three, and three sets of procedure locks are entered by two program lock keys
Row control, i.e., two locks can only open two sets of procedure locks, and three breakers can only close two breakers.
When needing to lock breaker, the program lock key being inserted in procedure lock lockhole is turned clockwise, procedure lock
Locking bar moves down promotion and moved down with the connecting plate that it is in contact, so as to drive combined floodgate interlocking shaft and tripping operation interlocking shaft downward
It is mobile, breaking closing coil and tripping mechanism on circuit breaker are pushed up respectively, vacuum circuit breaker is tripped and are locked closing position,
Program lock key is extracted, just completes the locking of breaker, now, dynamic clamping head and quiet clamping head is in compressive state；
When need to unlock breaker when, by program lock key insert procedure lock lockhole in and rotate counterclockwise procedure lock
Key, procedure lock locking bar move up reset, and dynamic clamping head and quiet clamping head will drive combined floodgate interlocking shaft and tripping operation interlocking shaft to recover deformation
Move up and pop into position, breaker is unlocked closing position, breaker now is in preparation "on" position, procedure lock
Key can not be extracted.
The beneficial effects of the utility model are as follows：
1st, the utility model drives interlock assembly in mounting shell body along the axial direction of procedure lock locking bar by procedure lock locking bar
Motion, interlock assembly is moved up and down so as to which breaker is locked and unlocked, simple in construction, low manufacture cost, is passed through
The power supply that vacuum circuit breaker uses when hard connecting mode improves 10kV system two-way incoming powers and two operation of throwing of mother three can
By property.
2nd, the utility model by connecting plate connect combined floodgate interlocking shaft and tripping operation interlocking shaft, dynamic clamping head and quiet clamping head include respectively with
Combined floodgate interlocking shaft and tripping operation interlocking shaft coordinate combined floodgate elastic component and tripping operation elastic component, combined floodgate interlocking shaft and tripping operation interlocking shaft on point
It is not provided with and spacing dynamic clamping head and quiet clamping head limiting plate, combined floodgate elastic component and tripping operation bullet is carried out to combined floodgate elastic component and tripping operation elastic component
With being fixedly connected respectively with dynamic clamping head and quiet clamping head limiting plate, the other end is fixedly connected with spacing fixed plate respectively for one end of property part, when
Connecting plate moves down, and dynamic clamping head and quiet clamping head limiting plate will coordinate with spacing fixed plate, and energy storage is compressed to dynamic clamping head and quiet clamping head,
When procedure lock locking bar moves up, dynamic clamping head and quiet clamping head loses binding force, and combined floodgate interlocking shaft and tripping operation interlocking shaft will upspring
Go back to original position to release energy, simple in construction, connection is reasonable, reliable in action, and improves the assembly work efficiency of switch cubicle.
3rd, combined floodgate elastic component of the present utility model and tripping operation elastic component interlock to be respectively sleeved at combined floodgate interlocking shaft and tripping operation
Spring on axle so that combined floodgate interlocking shaft and tripping operation interlocking shaft under the action of the spring can proper motion, dynamic clamping head and quiet clamping head limit
The position one end of plate away from spring is connected with reinforcement limited block, it is ensured that spring-compressed energy storage and recover that deformation releases energy can
By property.
4th, installation housing of the present utility model includes upper cover plate, left cover, front shroud and right cover plate, and installation shell structure is closed
Reason, provide space for interlock assembly, improve security reliability, meanwhile, Stability Analysis of Structures, it is ensured that interlock assembly it is steady
Solidity.
5th, symmetrically dug on left cover of the present utility model and right cover plate for entering the spacing limit of line slip to connecting plate
Position groove, axial movement of the shaft coupling component along procedure lock locking bar is ensure that by stopper slot, further increases the dynamic of interlock assembly
Make reliability.
Brief description of the drawings
Fig. 1 is that the right side of the interlocking mechanism of the utility model first regards internal structure schematic diagram.
Fig. 2 is overall structure diagram of the present utility model.
Fig. 3 is the schematic diagram that housing is installed in Fig. 1.
Reference：1st, the first interlocking mechanism；2nd, procedure lock；3rd, program lock key；The 4th, housing is installed；4-1, upper cover plate；
4-2, left cover；4-2.1, stopper slot；4-3, front shroud；4-4, right cover plate；5th, mounting bracket；6th, interlock assembly；6-1, connection
Plate；6-2, combined floodgate interlocking shaft；6-3, tripping operation interlocking shaft；7th, dynamic clamping head and quiet clamping head；7-1, dynamic clamping head and quiet clamping head limiting plate；7-2, strengthen limit
Position block；7-3, combined floodgate elastic component；7-4, tripping operation elastic component；8th, spacing fixed plate；9th, the second interlocking mechanism；10th, the 3rd interlocking machine
Structure；11st, breaker one；12nd, breaker two；13rd, breaker three.
Embodiment
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following examples to this
Utility model is described in further detail.
Embodiment
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of vacuum circuit breaker mechanical interlocks, including the first interlocking machine
Structure 1, the second interlocking mechanism 9 and tri-interlocking device 10, first interlocking mechanism 1, the second interlocking mechanism 9 and the 3rd interlocking machine
Structure 10 includes mounting bracket 5 and is detachably fixed the installation housing 4 being connected by screw with mounting bracket 5, installs on housing 4
Procedure lock 2 is provided with, the locking bar of procedure lock 2 is through installation housing 4 and extends in installation housing 4, installs in housing 4 and is provided with connection
Lock set 6 and spacing fixed plate 8, spacing fixed plate 8 are fixedly connected with installing the inwall of housing 4, one end of interlock assembly 6 and journey
Sequence is locked 2 locking bars and is in contact, and the other end is extended to outside installation housing 4 through spacing fixed plate 8, and being provided with installation housing 4 can band
The dynamic clamping head and quiet clamping head 7 of the dynamic resilience of interlock assembly 6, the present embodiment are moved up and down by interlock assembly 6 so as to be locked to breaker
Determine and unlock, simple in construction, low manufacture cost, 10kV system two-way incoming powers and mother are improved by hard connecting mode
The power supply reliability that vacuum circuit breaker uses when connection three throws two operations.
Based on above example, the interlock assembly 6 includes combined floodgate interlocking shaft 6-2, tripping operation interlocking shaft 6-3 and connection and closed
Lock interlocking shaft 6-2 and tripping operation interlocking shaft 6-3 connecting plate 6-1, connecting plate 6-1 are in contact with the locking bar of procedure lock 2, dynamic clamping head and quiet clamping head
7 include closing with combined floodgate interlocking shaft 6-2 and tripping operation interlocking shaft 6-3 the combined floodgate elastic component 7-3 coordinated and tripping operation elastic component 7-4 respectively
It is respectively arranged with lock interlocking shaft 6-2 and tripping operation interlocking shaft 6-3 spacing to combined floodgate elastic component 7-3 and the 7-4 progress of tripping operation elastic component
Dynamic clamping head and quiet clamping head limiting plate 7-1, combined floodgate elastic component 7-3 and tripping operation elastic component 7-4 one end it is spacing with distinguishing dynamic clamping head and quiet clamping head
Plate 7-1 is fixedly connected, and the other end is fixedly connected with spacing fixed plate 8 respectively, when connecting plate 6-1 is moved down, dynamic clamping head and quiet clamping head
Limiting plate 7-1 will coordinate with spacing fixed plate 8, and energy storage is compressed to dynamic clamping head and quiet clamping head 7, when the locking bar of procedure lock 2 is to moving up
Dynamic, dynamic clamping head and quiet clamping head 7 loses binding force, and combined floodgate interlocking shaft 6-2 and tripping operation interlocking shaft 6-3 will be popped into position into release energy upwards
Amount, simple in construction, connection is reasonable, reliable in action, and improves the assembly work efficiency of switch cubicle.
Based on above example, the combined floodgate elastic component 7-3 and tripping operation elastic component 7-4 are to be respectively sleeved at combined floodgate interlocking shaft
Spring on 6-2 and tripping operation interlocking shaft 6-3, it is spacing that the one end of dynamic clamping head and quiet clamping head limiting plate 7-1 away from spring is respectively connected with reinforcement
Block 7-2 so that combined floodgate interlocking shaft 6-2 and tripping operation interlocking shaft 6-3 in the presence of dynamic clamping head and quiet clamping head 7 can proper motion, elasticity
The one end of return unit limiting plate 7-1 away from dynamic clamping head and quiet clamping head 7, which is connected with, strengthens limited block 7-2, it is ensured that the pressure of dynamic clamping head and quiet clamping head 7
Contracting energy storage and recover deformation and release energy reliability.
Based on above example, the installation housing 4 includes upper cover plate 4-1, left cover 4-2, front shroud 4-3 and right cover plate
4-4, connecting plate 6-1 are slidably connected with left cover 4-2 and right cover plate 4-4 respectively, and installation housing 4 is rational in infrastructure, is interlock assembly 6
Space is provided, improves security reliability, meanwhile, Stability Analysis of Structures, it is ensured that the steadiness of interlock assembly 6.
Based on above example, symmetrically dug on left cover 4-2 and right cover the plate 4-4 for entering to connecting plate 6-1
The spacing stopper slot 4-2.1 of line slip, it ensure that shaft coupling component 6 is transported along the axial direction of the locking bar of procedure lock 2 by stopper slot 4-2.1
It is dynamic, further increase the Reliability of Microprocessor of interlock assembly 6.
Operation principle of the present utility model is as follows：
By mounting bracket 5 and installation housing 4 by the first interlocking mechanism 1 of the present utility model, the second interlocking mechanism 9 and the
Tri-interlocking device 10 is separately mounted on breaker 1, breaker 2 12 and breaker 3 13, and three sets of procedure locks 2 pass through two
Program lock key 3 is controlled, i.e., two locks can only open two sets of procedure locks 2, and three breakers can only close two breakers.
When needing to lock breaker, the program lock key 3 being inserted in the lockhole of procedure lock 2 is turned clockwise, program
Lock 2 locking bars move down promotion moved down with the connecting plate 6-1 that it is in contact, so as to drive combined floodgate interlocking shaft 6-2 and tripping operation
Interlocking shaft 6-3 is moved down, and pushes up breaking closing coil and tripping mechanism on circuit breaker respectively, makes vacuum circuit breaker tripping operation simultaneously
Closing position is locked, program lock key 3 is extracted, just completes the locking of breaker, now, dynamic clamping head and quiet clamping head 7 is in compression
State；
When need to unlock breaker when, program lock key 3 is inserted in the lockhole of procedure lock 2 and rotate counterclockwise program
Lock key 3, the locking bar of procedure lock 2 move up reset, and dynamic clamping head and quiet clamping head 7 will drive combined floodgate interlocking shaft 6-2 and jump to recover deformation
Lock interlocking shaft 6-3, which is moved up, to be popped into position, and breaker is unlocked closing position, and breaker now is in preparation and closed a floodgate
State, program lock key 3 can not be extracted.
It is described above, preferred embodiment only of the present utility model, not limiting the utility model, the utility model
Scope of patent protection be defined by claims, it is every to be equal with what specification of the present utility model and accompanying drawing content were made
Structure change, similarly it should be included in the scope of protection of the utility model.
Claims (5)
1. a kind of vacuum circuit breaker mechanical interlocks, including the first interlocking mechanism (1), the second interlocking mechanism (9) and the 3rd
Latch mechanism (10), it is characterised in that：First interlocking mechanism (1), the second interlocking mechanism (9) and tri-interlocking device (10) are equal
The installation housing (4) being fixedly connected including mounting bracket (5) and with mounting bracket (5), install and be provided with procedure lock on housing (4)
(2), procedure lock (2) locking bar through installation housing (4) and is extended in installation housing (4), and interlocking is set in installation housing (4)
Component (6) and spacing fixed plate (8), spacing fixed plate (8) with installation housing (4) be fixedly connected, one end of interlock assembly (6) with
Procedure lock (2) locking bar is in contact, and the other end extends to installation housing (4) outside through spacing fixed plate (8), in installation housing (4)
The dynamic clamping head and quiet clamping head (7) of interlock assembly (6) resilience can be driven by being provided with.
A kind of 2. vacuum circuit breaker mechanical interlocks according to claim 1, it is characterised in that：The interlock assembly
(6) combined floodgate interlocking shaft (6-2), tripping operation interlocking shaft (6-3) and connection combined floodgate interlocking shaft (6-2) and tripping operation interlocking shaft (6- are included
3) connecting plate (6-1), connecting plate (6-1) are in contact with procedure lock (2) locking bar, dynamic clamping head and quiet clamping head (7) include respectively with combined floodgate
The combined floodgate elastic component (7-3) and tripping operation elastic component (7-4) that interlocking shaft (6-2) and tripping operation interlocking shaft (6-3) coordinate, combined floodgate interlocking shaft
It is respectively arranged with (6-2) and tripping operation interlocking shaft (6-3) spacing to combined floodgate elastic component (7-3) and tripping operation elastic component (7-4) progress
Dynamic clamping head and quiet clamping head limiting plate (7-1), combined floodgate elastic component (7-3) and tripping operation elastic component (7-4) one end with being answered respectively with elasticity
Position part limiting plate (7-1) is fixedly connected, and the other end is fixedly connected with spacing fixed plate (8) respectively.
A kind of 3. vacuum circuit breaker mechanical interlocks according to claim 2, it is characterised in that：The combined floodgate elastic component
(7-3) and the elastic component (7-4) that trips is the spring for being respectively sleeved at combined floodgate interlocking shaft (6-2) and tripping on interlocking shaft (6-3), bullets
Property return unit limiting plate (7-1) away from spring one end be respectively connected with strengthen limited block (7-2).
A kind of 4. vacuum circuit breaker mechanical interlocks according to claim 2, it is characterised in that：The installation housing
(4) include upper cover plate (4-1), left cover (4-2), front shroud (4-3) and right cover plate (4-4), connecting plate (6-1) respectively with left cover
Plate (4-2) and right cover plate (4-4) are slidably connected.
A kind of 5. vacuum circuit breaker mechanical interlocks according to claim 4, it is characterised in that：Left cover (the 4-
2) and on right cover plate (4-4) symmetrically dig for entering the spacing stopper slot of line slip (4-2.1) to connecting plate (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057378.0U CN207116319U (en) | 2017-08-23 | 2017-08-23 | A kind of vacuum circuit breaker mechanical interlocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057378.0U CN207116319U (en) | 2017-08-23 | 2017-08-23 | A kind of vacuum circuit breaker mechanical interlocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116319U true CN207116319U (en) | 2018-03-16 |
Family
ID=61577477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057378.0U Active CN207116319U (en) | 2017-08-23 | 2017-08-23 | A kind of vacuum circuit breaker mechanical interlocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116319U (en) |
-
2017
- 2017-08-23 CN CN201721057378.0U patent/CN207116319U/en active Active
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