CN106169391B - A kind of mechanical interlock mechanism of breaker and tri-station isolating switch - Google Patents
A kind of mechanical interlock mechanism of breaker and tri-station isolating switch Download PDFInfo
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- CN106169391B CN106169391B CN201610794168.3A CN201610794168A CN106169391B CN 106169391 B CN106169391 B CN 106169391B CN 201610794168 A CN201610794168 A CN 201610794168A CN 106169391 B CN106169391 B CN 106169391B
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- Prior art keywords
- breaker
- valve
- tri
- isolating switch
- pin
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Electric Propulsion And Braking For Vehicles (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention provides a kind of mechanical interlock mechanism of breaker and tri-station isolating switch, simple and reliable, can effectively prevent the maloperation that isolation is not in place with divide-shut brake in ground connection operating process and is carried out to breaker and tri-station isolating switch.It includes circuit breaker interlocking device, interlock plate, pin, valve and position identification device；The circuit breaker interlocking device is set on-board the circuit breaker, and valve and position identification device are arranged on tri-station isolating switch；Described interlock plate one end connects circuit breaker interlocking device, other end link position identification device, and interlock plate is fixedly connected with pin；The valve is rotated or translation is set, and first and second and three breach is sequentially provided with its edge contour, when valve blocks the isolated operation axle and ground connection operating shaft of tri-station isolating switch simultaneously, the second breach of valve is corresponding with pin to be engaged；When exposing isolated operation axle, the engaging corresponding with pin of the breach of valve the 3rd；When exposing ground connection operating shaft, the breach of valve first is corresponding to be engaged.
Description
Technical field
The present invention relates to high-tension switch cabinet, the mechanical interlock mechanism of specially a kind of breaker and tri-station isolating switch.
Background technology
, it is necessary to which breaker does not allow to operate when being in "on" position for the switch cubicle equipped with tri-station isolating switch
Tri-station isolating switch, breaker allow to operate tri-station isolating switch when being in gate-dividing state；Tri-station isolating switch operates
Breaker could be closed after in place, operation is not in place can not to close breaker.In addition, open circuit of closing a floodgate can not be carried out during breaker closing again
Device operates, and ground connection operation can not carry out isolated operation when not in place, and ground connection operation can not be carried out when isolated operation is not in place.
It is of the prior art it is many isolate and ground connection it is manually operated without being automatically locked and taking off mouth function automatically, manually
Operation does not terminate, and Manual operation handle can also be extracted, if imperfect interlock, easily carry out maloperation.It is practical new
Type patent《A kind of mechanical interlock mechanism of breaker and tri-station isolating switch》(the patent No.：CN200520042876.9) disconnected
The mutual restriction between disconnecting switch and breaker is realized by a connecting rod between road device and tri-station isolating switch, to three works
The interlocking of position disconnecting switch is by way of limiting three station output shafts and rotating, and is passively to interlock, less reliable.
The content of the invention
For problems of the prior art, the present invention provides the machinery connection of a kind of breaker and tri-station isolating switch
Latch mechanism, it is simple and reliable, can effectively prevent isolation with ground connection operating process in divide-shut brake it is not in place and to breaker and three stations
The maloperation that disconnecting switch is carried out.
The present invention is to be achieved through the following technical solutions：
A kind of mechanical interlock mechanism of breaker and tri-station isolating switch, including circuit breaker interlocking device, interlock plate, post
Pin, valve and position identification device；The circuit breaker interlocking device is set on-board the circuit breaker, and valve and position identification device are set
On tri-station isolating switch；Described interlock plate one end connects circuit breaker interlocking device, other end link position identification device, connection
Jam plate is fixedly connected with pin；The valve is rotated or translation is set, and first and second and three is sequentially provided with its edge contour and is lacked
Mouthful, when valve blocks the isolated operation axle and ground connection operating shaft of tri-station isolating switch simultaneously, the second breach and post of valve
The corresponding engaging of pin；When exposing isolated operation axle, the engaging corresponding with pin of the breach of valve the 3rd；When exposing ground connection operating shaft,
The breach of valve first is corresponding to be engaged.
Preferably, the circuit breaker interlocking device includes the subsidiary connecting lever on breaker main shaft, is connected to connecting lever freedom
The connecting rod at end, rotary setting is in breaker clamp and floodgate semiaxis on breaker；Connecting rod one end is hinged with connecting lever, and the other end passes through
The waist round hole of setting is slidably connected with breaker clamp；Breaker clamp one end is circular arc, and the other end is hinged with interlock plate；Close a floodgate
There is the plane tangent with breaker clamp circular arc on semiaxis.
Further, during breaker closing, circuit breaker interlocking device makes breaker clamp block floodgate semiaxis, while the connection that links
Jam plate and pin, pin is set to be located in the corresponding breach of valve.
Preferably, the position identification device includes being fixed on tri-station isolating switch main shaft overhead cam instruction disk and rotation
Roller connecting lever on tri-station isolating switch is set；
There are 3 projections or groove on cam instruction disk, corresponding isolation conjunction, two points and ground connection close three positions respectively；Roller
Connecting lever one end, which rotates, sets roller, the be hinged linkage interlock plate of the other end；Roller connecting lever under the action of the spring connects roller compression
Touch the profile of cam instruction disk.
Further, when tri-station isolating switch divide-shut brake is not in place, roller be pressed into contact with cam instruction disk on 3 it is convex
Rise or groove between profile on, position identification device linkage interlock plate, interlock plate linked circuit breaker interlock makes breaker
Clamp blocks floodgate semiaxis, while interlock plate makes pin be located in the corresponding breach of valve.
Further, when breaker is from when closing a floodgate to separating brake, crank of circuit breaker rotates, and the effect of connecting rod waist round hole allows open circuit
Device clamp rotates；Roller connecting lever rotates under the action of the spring, drives interlock plate to rotate breaker clamp, breaker clamp
The plane of circular arc and floodgate semiaxis departs from, and pin departs from the breach of valve second；Valve can move, and can close a floodgate breaker, again
Can operation isolation operating shaft or ground connection operating shaft.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention can realize that breaker closing can not close a floodgate breaker again with operating tri-station isolating switch, isolation simultaneously
Divide-shut brake is not in place can not to close a floodgate and breaker and carries out ground connection operation, ground connection operation is not in place can not carry out breaker operator with every
From operation.The present invention is easy for installation, and breaker operation mechanism is interlock plate only by a connecting rod with disconnecting switch operating mechanism
Connection；Interlock complete, and be active interlocking, can effectively prevent isolation not in place with divide-shut brake in ground connection operating process and to disconnected
Road device carries out maloperation with tri-station isolating switch.
Brief description of the drawings
View when Fig. 1 is breaker closing of the present invention.
View when Fig. 2 is breaker open operation of the present invention.
Fig. 3 is view during isolated operation of the present invention.
Fig. 4 is view in present invention ground connection operating process.
In figure：1st, circuit breaker interlocking device, 11, connecting lever, 12, connecting rod, 13, breaker clamp, 14, floodgate semiaxis, 2, connection
Jam plate, 3, pin, 4 valve, 41, the breach of valve first, 42, the breach of valve second, 43, the breach of valve the 3rd, 5, position identification
Device, 51, three station direction boards, 52, roller, 53, roller connecting lever, 54, spring, 6, isolated operation axle, 7, ground connection operating shaft.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
As shown in figure 1, the mechanical interlock mechanism of a kind of breaker and tri-station isolating switch of the present invention includes：Breaker
Interlock 1, interlock plate 2, pin 3, valve 4 and position identification device 5.
The circuit breaker interlocking device 1 includes：Subsidiary connecting lever 11, connecting rod 12, breaker clamp on breaker main shaft
13 and floodgate semiaxis 14；For the rotary setting of breaker clamp 13 on breaker mechanism, the one end of connecting rod 12 is be hinged with connecting lever 11, another
End is slidably connected by the waist round hole set with breaker clamp 13, and the one end of breaker clamp 13 is circular arc, in floodgate semiaxis 14
There is the plane tangent with the circular arc of breaker clamp 13.
The position identification device 5 includes：Cam instruction disk 51, roller 52, roller connecting lever 53 and spring 54；Cam indicates
Disk 51 is fixed on tri-station isolating switch mechanism main shaft, and 51 have 3 projections or groove on cam instruction disk, correspond to isolation respectively
Close, three two points, ground connection positions；Illustrated in this preferred embodiment by taking 3 grooves as an example, the rotary setting of roller connecting lever 53 is in three
On station mechanism, roller connecting lever 53 is rotatablely connected with roller 52, and roller connecting lever 53 is close to roller 52 in the presence of spring 54
Cam indicates the profile of disk 51.
The other end of breaker clamp 13, other end connection position on the one end of interlock plate 2 connection circuit breaker interlocking device 1
The other end of roller connecting lever 53 on identification device 5 is put, pin 3 is fixedly installed on interlock plate 2.
The valve 4 is provided with three breach, living when valve 4 blocks isolated operation axle 6 and ground connection operating shaft 7 simultaneously
Second breach 42 of door is corresponding with pin 3；When valve 4 exposes isolated operation axle 6, the breach 43 of valve the 3rd is corresponding with pin 3；
When valve 4 exposes ground connection operating shaft 7, the first breach of valve 41 is corresponding with pin 3.
Under original state, breaker closing, tri-station isolating switch is in closing position, valve 4 both block from operating shaft 6
Gear ground connection operating shaft 7 again, as shown in Figure 1.Now, connecting lever 11 makes the circular arc of breaker clamp 13 block conjunction by the effect of connecting rod 12
The plane of lock semiaxis 14, prevent floodgate semiaxis 14 from rotating, it is impossible to which closing operation is carried out to breaker；Link interlock plate 2 simultaneously
On pin 3 block the second breach of valve 42, stop that valve 4 rotates, can not now carry out isolated operation.
Such as Fig. 2, when breaker is from when closing a floodgate to separating brake, crank of circuit breaker 11 rotates counterclockwise, the work of the waist round hole of connecting rod 12
Rotated clockwise with breaker clamp 13 is allowed.Roller connecting lever 53 rotates counterclockwise in the presence of spring 54, above pushes away interlock plate 2
Rotate clockwise breaker clamp 13, the circular arc of breaker clamp 13 departs from the plane of floodgate semiaxis 14, breaker clamp
13 no longer block breaker closing semiaxis 14, and pin 3 no longer blocks the second breach of valve 42, it is allowed to and valve 4 rotates counterclockwise,
Now, can close a floodgate breaker, and can disconnecting switch operation.
When breaker open operation, valve 4 can be rotated with operation isolation operating shaft 6.As shown in figure 3, when isolation divide-shut brake
When not in place, roller 52 is no longer on the breach of cam instruction disk 51, and then rotates clockwise roller connecting lever 53, drop-down connection
Jam plate 2 and pin 3, drive the breaker clamp 13 in circuit breaker interlocking device 1 to rotate counterclockwise, block breaker clamp 13
Breaker closing semiaxis 14, breaker can not be closed a floodgate, while pin 3 blocks the breach 43 of valve the 3rd, and limitation valve 4 is clockwise
Rotate with operational grounding operating shaft 7.Conversely, as shown in Fig. 2 when isolating divide-shut brake in place, roller is located at cam instruction disk 51
Indentation, there, breaker clamp 13 no longer blocks floodgate semiaxis 14, while pin 3 no longer blocks the breach 43 of valve the 3rd, it is allowed to
Valve 4 rotates.Realize anti-misconnection breaker and the function of operational grounding operating shaft when isolation divide-shut brake is not in place.
When breaker open operation, valve 4 can be rotated with operational grounding operating shaft 7.As shown in figure 4, when ground connection divide-shut brake
When not in place, the linkage interlock plate 2 of position identification device 5 makes breaker clamp 13 block breaker closing semiaxis 14, it is impossible to carries out
Combined floodgate breaker operator, while pin 3 blocks the first breach of valve 41, the limitation rotate counterclockwise of valve 4 is operated with operation isolation
Axle 6.Conversely, as shown in Fig. 2 when being grounded divide-shut brake in place, roller is positioned at the indentation, there of instruction disk 4, and breaker clamp 13 is not
Floodgate semiaxis 14 is blocked again, while pin 3 no longer blocks the first breach of valve 41, it is allowed to which valve 4 rotates.Realize in ground connection point
Anti-misconnection breaker and the function of operation isolation operating shaft when closing a floodgate not in place.
It should be noted that for tri-station isolating switch, also to have can not be carried out when closing a floodgate ground connection operation with
The interlocking of isolated operation can not be carried out during ground connection, such a interlocking those skilled in the art can solve using conventional method, herein
Do not repeat.
Above interlock system and interlocking method are intended to illustrate the technological means of invention.Those skilled in the art are not changing
On the premise of the technology of the present invention principle, general knowledge improvement made for the present invention and deformation are known altogether with reference to existing, it should belong to this hair
It is bright protect within the scope of.
Claims (6)
1. the mechanical interlock mechanism of a kind of breaker and tri-station isolating switch, it is characterised in that including circuit breaker interlocking device
(1), interlock plate (2), pin (3), valve (4) and position identification device (5)；
The circuit breaker interlocking device (1) is set on-board the circuit breaker, and valve (4) and position identification device (5) are arranged on three stations
In disconnecting switch；
Interlock plate (2) one end connection circuit breaker interlocking device (1), other end link position identification device (5), interlock plate
(2) it is fixedly connected with pin (3)；
The valve (4) is rotated or translation is set, and first and second and three breach is sequentially provided with its edge contour, when valve (4) is same
When block tri-station isolating switch isolated operation axle (6) and ground connection operating shaft (7) when, the second breach (42) of valve (4) with
Pin (3) is corresponding to be engaged；When exposing isolated operation axle (6), the engaging corresponding with pin (3) of the breach (43) of valve (4) the 3rd；When
When exposing ground connection operating shaft (7), the engaging corresponding with pin (3) of the breach (41) of valve (4) first.
2. the mechanical interlock mechanism of a kind of breaker according to claim 1 and tri-station isolating switch, it is characterised in that
The circuit breaker interlocking device (1) includes the subsidiary connecting lever (11) on breaker main shaft, is connected to connecting lever (11) free end
Connecting rod (12), rotary setting is in breaker clamp (13) and floodgate semiaxis (14) on breaker；Connecting rod (12) one end and connecting lever
(11) it is hinged, the other end is slidably connected by the waist round hole of setting with breaker clamp (13)；Breaker clamp (13) one end is
Circular arc, the other end are be hinged with interlock plate (2)；There is the plane tangent with breaker clamp (13) circular arc in floodgate semiaxis (14).
3. the mechanical interlock mechanism of a kind of breaker according to claim 2 and tri-station isolating switch, it is characterised in that
During breaker closing, circuit breaker interlocking device (1) makes breaker clamp (13) block floodgate semiaxis (14), while the interlock plate that links
(2) pin (3) and pin (3), is made to be located in the corresponding breach of valve (4).
4. the mechanical interlock mechanism of a kind of breaker according to claim 1 and tri-station isolating switch, it is characterised in that
The cam instruction disk (51) and be rotatably provided in that the position identification device (5) includes being fixed on tri-station isolating switch main shaft
Roller connecting lever (53) on tri-station isolating switch；
There are 3 projections or groove on cam instruction disk (51), corresponding isolation conjunction, two points and ground connection close three positions respectively；Roller
Connecting lever (53) one end, which rotates, sets roller (52), and the other end is hinged linkage interlock plate (2)；Roller connecting lever (53) is in spring (54)
In the presence of make roller (52) be pressed into contact with cam instruction disk (51) profile.
5. the mechanical interlock mechanism of a kind of breaker according to claim 4 and tri-station isolating switch, it is characterised in that
When tri-station isolating switch divide-shut brake is not in place, roller (52) is pressed into contact with indicating disk (51) upper 3 projections or recessed in cam
On profile between groove, position identification device (5) linkage interlock plate (2), interlock plate (2) linked circuit breaker interlock (1) makes
Breaker clamp (13) blocks floodgate semiaxis (14), while interlock plate (2) makes pin (3) be located in the corresponding breach of valve (4).
6. the mechanical interlock mechanism of a kind of breaker according to claim 4 and tri-station isolating switch, it is characterised in that
When breaker is from when closing a floodgate to separating brake, crank of circuit breaker (11) rotates, and the effect of connecting rod (12) waist round hole allows breaker clamp
(13) rotate；Roller connecting lever (53) rotates in the presence of spring (54), drives interlock plate (2) to turn breaker clamp (13)
Dynamic, the circular arc of breaker clamp (13) departs from the plane of floodgate semiaxis (14), and pin (3) departs from the breach of valve second (42)；
Valve (4) can move, and can close a floodgate breaker, and can operation isolation operating shaft (6) or ground connection operating shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794168.3A CN106169391B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical interlock mechanism of breaker and tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794168.3A CN106169391B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical interlock mechanism of breaker and tri-station isolating switch |
Publications (2)
| Publication Number | Publication Date |
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| CN106169391A CN106169391A (en) | 2016-11-30 |
| CN106169391B true CN106169391B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610794168.3A Active CN106169391B (en) | 2016-08-31 | 2016-08-31 | A kind of mechanical interlock mechanism of breaker and tri-station isolating switch |
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| CN (1) | CN106169391B (en) |
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| CN114420479B (en) * | 2022-01-21 | 2023-11-07 | 平高集团有限公司 | Cable chamber door interlocking structure of upper three-station ring main unit |
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| US6329615B1 (en) * | 1998-12-18 | 2001-12-11 | Alstom | Device for interlocking the manual actuation of a switch with the help of locks |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106169391A (en) | 2016-11-30 |
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Effective date of registration: 20210817 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
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