CN207458830U - A kind of new isolation for cable branch box, earthing switch - Google Patents
A kind of new isolation for cable branch box, earthing switch Download PDFInfo
- Publication number
- CN207458830U CN207458830U CN201721512053.7U CN201721512053U CN207458830U CN 207458830 U CN207458830 U CN 207458830U CN 201721512053 U CN201721512053 U CN 201721512053U CN 207458830 U CN207458830 U CN 207458830U
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- CN
- China
- Prior art keywords
- earthing switch
- isolation
- interlock
- ground connection
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Switch Cases, Indication, And Locking (AREA)
- Patch Boards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model is related to a kind of switch more particularly to a kind of new isolation for cable branch box, earthing switches, belong to technical field of electric equipment.The utility model disposes operation panel in housing one side, from top to bottom it is equipped with the quiet knife of isolation being mutually parallel successively in the housing at the operation panel back side, isolator operation axis, it is grounded quiet knife and earthing switch operating shaft, the isolator operation axis and earthing switch operating shaft are equipped with isolation interlock cam and ground connection interlock cam through one end of housing, interlock plate one and interlock plate two are equipped between the isolator operation axis and earthing switch operating shaft, the interlock plate one is fixed on the back side of operation panel by fulcrum pin, the interlock plate two is fixed on the back side of operation panel by guider screw, the bottom of the operation panel is equipped with interlocking latch by bent plate, the isolator operation axis is through pull rod with isolating moving knife linkage, the earthing switch operation axis connection ground connection moving knife.Isolation, the quick switching on and off of earthing switch can be achieved.
Description
Technical field
The utility model is related to a kind of switch more particularly to a kind of new isolation for cable branch box, earthing switch,
Belong to technical field of electric equipment.
Background technology
40.5 kilovolts of American Unit Substations are using the on-load switch being immersed in transformer oil, since on-load switch is without visible fracture,
Practical operation or maintenance can not judge cable side formally charged situation, serious threat Operation and Maintenance personnel's personal safety.At present, should
Cable branch box, cable branch box installing isolation and earthing switch are installed in kind American Unit Substation requirement additional, to form visible isolation fracture,
Ensure Operation and Maintenance personnel's personal safety.But be suitble to mounted in the isolation of cable branch box, earthing switch, market without it is easy to operate,
Interlock perfect Related product.
Utility model content
The purpose of this utility model be for the prior art there are it is inconvenient the defects of, propose a kind of to be used for cable branch
The new isolation of case, earthing switch, interlocking is reliable, easy to operate.
The utility model solves technical problem by the following technical programs:A kind of new isolation for cable branch box,
Earthing switch, including housing, the housing one side disposes operation panel, in the housing at the operation panel back side from top to bottom according to
It is secondary equipped with the quiet knife of isolation being mutually parallel, isolator operation axis is grounded quiet knife and earthing switch operating shaft, the disconnecting switch
Operating shaft and earthing switch operating shaft are equipped with isolation interlock cam and ground connection interlock cam through one end of housing, described to keep apart
It closes and interlock plate one and interlock plate two is equipped between operating shaft and earthing switch operating shaft, the interlock plate one is fixed on by fulcrum pin
The back side of operation panel, the interlock plate two are fixed on the back side of operation panel, the bottom of the operation panel by guider screw
Interlocking latch is equipped with by bent plate, the isolator operation axis links through pull rod with isolating moving knife, the earthing switch operating shaft
Connection ground connection moving knife, the operation panel are equipped with isolation corresponding with isolator operation axis and earthing switch operation shaft position
Switching manipulation hole and earthing switch handle hole.
Further, the interlock plate two is located between isolation interlock cam and ground connection interlock cam, the interlock plate two
Positioned at the front side of interlock plate one, one end of the interlocking latch is close to ground connection interlock cam.
On the isolator operation axis isolation quick acting compression spring, the fast quick-action of isolation are equipped with close to one end of housing
Make one end connection isolator operation axis of compression spring, other end connection case inside;The earthing switch operating shaft passes through housing
The other end be equipped with ground connection quick acting compression spring, it is described ground connection quick acting compression spring one end connection earthing switch operating shaft, separately
One end connects hull outside, to realize quick splitting or integrating lock.
Contact spring is equipped on the isolation moving knife and ground connection moving knife, ensures certain contact.
The bottom of the interlock plate one is equipped with the reset tension spring being connected with housing, after ensureing disconnecting switch separating brake, interlock plate
One resets, and exposes earthing switch handle hole, and after realizing disconnecting switch separating brake, earthing switch could operate.
The interlock plate one is turned to around fulcrum pin to be blocked switching manipulation hole and is interlocked.
The interlocking latch is fixed on through bent plate in operation panel, and one end of the interlocking latch is equipped with the pressure being connected with housing
Spring is resetted under compression spring effect and overhauled, it can be achieved that could open cabinet door after earthing switch combined floodgate.
When disconnecting switch is in "on" position, disconnecting switch interlock cam promotes interlock plate one to rotate, and interlock plate one is stifled
Firmly earthing switch handle hole prevents charged conjunction earthing switch;When disconnecting switch is in gate-dividing state, interlock plate once reset is drawn
Spring resets, and exposes earthing switch handle hole.
When earthing switch is in "on" position, ground connection interlock cam promotes interlock plate two to move up, and interlock plate two is stifled
Firmly isolator operation hole prevents from closing disconnecting switch under ground state, and interlocking latch departs from ground connection interlock cam, is resetted through compression spring,
Cabinet door could be opened to be overhauled.
The utility model has the advantages that:Novel design, clever structure, amount of parts is few, realizes that isolation, ground connection are quick
Switching on and off, disconnecting switch and the engagement of earthing switch contact are reliable, and disconnecting switch and earthing switch operation have undamaged perfect
Machinery " five is anti-" interlocking.
Description of the drawings
Fig. 1 is the structure diagram of the utility model one embodiment.
Fig. 2 is the A-A of Fig. 1 to structure diagram.
Fig. 3 is the structure diagram of operation panel in Fig. 2.
Fig. 4 is a use state reference chart of Fig. 1.
Fig. 5 is the A-A of Fig. 4 to structure diagram.
Fig. 6 is another use state reference chart of Fig. 1.
Fig. 7 is the A-A of Fig. 6 to structure diagram.
Fig. 8 is the partial structural diagram of Fig. 1.
Fig. 9 is the side view of Fig. 8.
Figure 10 is the rearview of Fig. 8.
Figure 11 is the utility model stereoscopic-state figure.
Figure 12 is the rear view of Figure 11.
It is identified in figure as follows:1 housing, the 2 quiet knives of isolation, 3 isolation quick acting compression springs, 4 operation panels, 5 isolation interlockings are convex
Wheel, 6 isolator operation axis, 7 isolation moving knife, 8 isolation moving knife contact springs, 9 ground connection interlock cams, 10 earthing switch operating shafts,
11 ground connection moving knife, 12 ground connection moving knife contact springs, 13 ground connection quick acting compression springs, 14 reset tension springs, 15 interlock plates one, 16 fulcrums
Pin, 17 interlock plates two, 18 isolator operation pull rods, the 19 quiet knives of ground connection, 20 insulators, 21 interlocking latches, 22 bent plates, 23 compression springs,
24 guider screws, isolator operation hole 25, earthing switch handle hole 26.
Specific embodiment
Embodiment
The isolation of the present embodiment, earthing switch are as shown in Fig. 1-7 and Figure 11-12, and interlocking detail drawing is as Figure 8-Figure 10.One
Kind is used for the new isolation of cable branch box, earthing switch, including housing 1,1 one side of housing placement operation panel 4, positioned at operation
The quiet knife 2 of isolation being mutually parallel from top to bottom is equipped in the housing 1 at 4 back side of panel successively, isolator operation axis 6 is grounded quiet
One end of knife 19 and earthing switch operating shaft 10, isolator operation axis 6 and earthing switch operating shaft 10 through housing 1 is set respectively
There are isolation interlock cam 5 and ground connection interlock cam 9, interlocking is equipped between isolator operation axis 6 and earthing switch operating shaft 10
Plate 1 and interlock plate 2 17, interlock plate 2 17 are located between isolation interlock cam 5 and ground connection interlock cam 9, interlock plate 1
Be fixed on the back side of operation panel 4 by fulcrum pin 16, interlock plate 2 17 be located at isolation interlock cam 5 and ground connection interlock cam 9 it
Between, interlock plate 2 17 is located at the front side of interlock plate 1 and passes through the back side that guider screw 24 is fixed on operation panel 4, operating surface
Plate 4 is equipped with interlocking latch 21 by bent plate 22, one end of interlocking latch 21 close to ground connection interlock cam 9, isolator operation axis 6 through every
It links from switching manipulation pull rod 18 with isolating moving knife 7, the connection of earthing switch operating shaft 10 is grounded moving knife 11, divides on operation panel 4
It is not provided with and isolator operation axis 6 and 10 corresponding isolator operation hole 25 of earthing switch operating shaft and earthing switch operation
Hole 26.On isolator operation axis 6 isolation quick acting compression spring 3, isolation quick acting compression spring 3 are equipped with close to one end of housing 1
One end connection isolator operation axis 6,1 inside of other end connection housing, earthing switch operating shaft 10 is another through housing 1
End is equipped with ground connection quick acting compression spring 13, one end connection earthing switch operating shaft 10 of ground connection quick acting compression spring 13, the other end
1 outside of housing is connected, realizes quick splitting or integrating lock.Isolate moving knife 7 and be equipped with isolation moving knife contact spring 8, ground connection moving knife 11 is equipped with
Earthing switch contact spring 12, ensures certain contact.The bottom of interlock plate 1 is equipped with the reset tension spring being connected with housing 1
14, after ensureing disconnecting switch separating brake, interlock plate 1 resets, and exposes earthing switch handle hole 26, after realizing disconnecting switch separating brake,
Earthing switch could operate.Interlocking latch 21 is fixed on through bent plate 22 on operation panel 4, and interlocking latch is equipped with compression spring 23, is made in compression spring
It is overhauled with lower reset, it can be achieved that cabinet door could be opened after earthing switch combined floodgate.Isolate quiet knife 2 and be grounded quiet knife 19 and pass through
Insulator 20 is separately fixed on housing 1, ensure high-voltage charged body and housing () insulation distance.
Power transmission operates:
Product initial state:Disconnecting switch separating brake, earthing switch close a floodgate, and see attached drawing 6-7.It is operated and connect counterclockwise by handle
Ground switching manipulation axis 10 is grounded 11 counterclockwise movement of moving knife, and in the case where ground connection quick acting compression spring 13 acts on, earthing switch quickly divides
Lock;Meanwhile the ground connection interlock cam 9 being sleeved in earthing switch operating shaft 10 also rotates counterclockwise, and interlock plate 2 17 is made to transport downwards
It is dynamic, expose isolator operation hole, at this time Product Status:Disconnecting switch separating brake, grounding switch tripping are shown in attached drawing 1-3;Pass through hand
Handle disconnecting switch operation operating shaft 6 clockwise isolates 7 clockwise movement of moving knife, in the case where isolation quick acting compression spring 4 acts on, every
Pass rapid closing is left, isolation moving knife compression spring 8 ensures isolation moving knife 7 with isolating quiet 2 positive engagement of knife;Meanwhile it is sleeved on and keeps apart
The isolation interlock cam 5 closed in operating shaft 6 also rotates clockwise, and interlock plate 1 is promoted to be rotated clockwise around connection fulcrum 16, from
And earthing switch handle hole is blocked, prevent charged conjunction earthing switch.Product Status at this time:Disconnecting switch is closed a floodgate, earthing switch point
Lock is shown in attached drawing 4-5.
Power failure operation:
Product initial state:Disconnecting switch is closed a floodgate, grounding switch tripping, sees attached drawing 4-5.Earthing switch handle hole is interlocked
Plate 2 17 is blocked, and only first divides disconnecting switch, and by handle disconnecting switch operation operating shaft 6 counterclockwise, isolation moving knife 7 is counterclockwise
Movement, in the case where isolation quick acting compression spring 4 acts on, disconnecting switch quick acting switching-off;Meanwhile it is sleeved on isolator operation axis 6
Isolation interlock cam 5 also rotates counterclockwise, and interlock plate 1 rotates counterclockwise under the effect of reset tension spring 14 around fulcrum pin 16, reveals
Go out earthing switch handle hole, at this time Product Status:Disconnecting switch separating brake, grounding switch tripping are shown in attached drawing 1-3;It is suitable by handle
Hour hands operational grounding switching manipulation axis 10 is grounded 11 clockwise movement of moving knife, in the case where ground connection quick acting compression spring 13 acts on, ground connection
Rapid closing is switched, ground connection moving knife compression spring 12 ensures ground connection moving knife 11 with being grounded quiet 19 positive engagement of knife;Meanwhile it is sleeved on ground connection and opens
The ground connection interlock cam 9 closed in operating shaft 10 also rotates clockwise, and interlock plate 2 17 is made to be moved upwards along guider screw 24, is blocked
Isolator operation hole prevents from closing disconnecting switch under earthing switch "on" position, meanwhile, it is grounded in 9 rotation process of interlock cam,
The interlocking latch 21 being fixed on by bent plate 22 on operation panel 4 slides to the right under the effect of compression spring 23, can be grounded switch
Cabinet door is opened after combined floodgate to be overhauled.Product Status at this time:Disconnecting switch separating brake, earthing switch close a floodgate, and see attached drawing 6-7.
In addition to above-mentioned implementation, the utility model can also have other embodiment.It is all to use equivalent substitution or equivalent transformation
The technical solution of formation all falls within the protection domain of the requires of the utility model.
Claims (9)
1. a kind of new isolation for cable branch box, earthing switch, including housing, it is characterised in that:The housing one side
Operation panel is disposed, is from top to bottom equipped with the quiet knife of isolation being mutually parallel, isolation successively in the housing at the operation panel back side
Switching manipulation axis, is grounded quiet knife and earthing switch operating shaft, and the isolator operation axis and earthing switch operating shaft pass through shell
One end of body is equipped with isolation interlock cam and ground connection interlock cam, between the isolator operation axis and earthing switch operating shaft
Equipped with interlock plate one and interlock plate two, the interlock plate one is fixed on the back side of operation panel, the interlock plate two by fulcrum pin
The back side of operation panel is fixed on by guider screw, the bottom of the operation panel is equipped with interlocking latch, the isolation by bent plate
Switching manipulation axis links through pull rod with isolating moving knife, the earthing switch operation axis connection ground connection moving knife, on the operation panel
Equipped with isolator operation hole corresponding with isolator operation axis and earthing switch operation shaft position and earthing switch handle hole.
2. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The interlocking
Plate two is located between isolation interlock cam and ground connection interlock cam, and the interlock plate two is located at the front side of interlock plate one, described
One end of lock pin is close to ground connection interlock cam.
3. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The isolation
On switching manipulation axis isolation quick acting compression spring, one end connection of the isolation quick acting compression spring are equipped with close to one end of housing
Isolator operation axis, other end connection case inside;The other end of the earthing switch operating shaft through housing is equipped with ground connection
Quick acting compression spring, one end connection earthing switch operating shaft of the ground connection quick acting compression spring, other end connection hull outside.
4. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The isolation
Contact spring is equipped on moving knife and ground connection moving knife.
5. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The interlocking
The bottom of plate one is equipped with the reset tension spring being connected with housing.
6. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The interlocking
Pin is fixed on through bent plate in operation panel, and one end of the interlocking latch is equipped with the compression spring being connected with housing.
7. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:The interlocking
Plate one is turned to around fulcrum pin to be blocked switching manipulation hole and is interlocked.
8. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:When keeping apart
When closing in "on" position, disconnecting switch interlock cam promotes interlock plate one to rotate, and interlock plate one blocks earthing switch handle hole;
When disconnecting switch is in gate-dividing state, interlock plate once reset tension spring resets, and exposes earthing switch handle hole.
9. the new isolation for cable branch box, earthing switch according to claim 1, it is characterised in that:When ground connection is opened
When closing in "on" position, ground connection interlock cam promotes interlock plate two to move up, and interlock plate two blocks isolator operation hole,
Interlocking latch departs from ground connection interlock cam, is resetted through compression spring, and cabinet door is opened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721512053.7U CN207458830U (en) | 2017-11-13 | 2017-11-13 | A kind of new isolation for cable branch box, earthing switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721512053.7U CN207458830U (en) | 2017-11-13 | 2017-11-13 | A kind of new isolation for cable branch box, earthing switch |
Publications (1)
Publication Number | Publication Date |
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CN207458830U true CN207458830U (en) | 2018-06-05 |
Family
ID=62279328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721512053.7U Withdrawn - After Issue CN207458830U (en) | 2017-11-13 | 2017-11-13 | A kind of new isolation for cable branch box, earthing switch |
Country Status (1)
Country | Link |
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CN (1) | CN207458830U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107731615A (en) * | 2017-11-13 | 2018-02-23 | 江苏大全高压开关有限公司 | A kind of new isolation for cable branch box, earthed switch |
CN113257609A (en) * | 2021-04-19 | 2021-08-13 | 平高集团有限公司 | Disconnecting switch and grounding switch interlocking structure and switch equipment using same |
-
2017
- 2017-11-13 CN CN201721512053.7U patent/CN207458830U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107731615A (en) * | 2017-11-13 | 2018-02-23 | 江苏大全高压开关有限公司 | A kind of new isolation for cable branch box, earthed switch |
CN107731615B (en) * | 2017-11-13 | 2020-06-16 | 江苏大全高压开关有限公司 | Novel isolating and grounding switch for cable branch box |
CN113257609A (en) * | 2021-04-19 | 2021-08-13 | 平高集团有限公司 | Disconnecting switch and grounding switch interlocking structure and switch equipment using same |
CN113257609B (en) * | 2021-04-19 | 2023-02-07 | 平高集团有限公司 | Disconnecting switch and grounding switch interlocking structure and switch equipment using same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180605 Effective date of abandoning: 20200616 |