CN108461332A - Breaker and disconnecting switch, the interlocking mechanism of earthing switch - Google Patents
Breaker and disconnecting switch, the interlocking mechanism of earthing switch Download PDFInfo
- Publication number
- CN108461332A CN108461332A CN201810329378.4A CN201810329378A CN108461332A CN 108461332 A CN108461332 A CN 108461332A CN 201810329378 A CN201810329378 A CN 201810329378A CN 108461332 A CN108461332 A CN 108461332A
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- CN
- China
- Prior art keywords
- junction panel
- switch
- combined floodgate
- interlocking
- disconnecting switch
- Prior art date
- 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.)
- Pending
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Classifications
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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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Patch Boards (AREA)
Abstract
A kind of breaker of present invention offer and disconnecting switch, the interlocking mechanism of earthing switch, it includes isolation axis and grounding shaft, the isolation axis is connect by isolated operation mechanism with disconnecting switch, the grounding shaft is connect by being grounded operating mechanism with earthing switch, the distance bushing is equipped with the combined floodgate junction panel being linked with it, the ground connection junction panel being linked with it is arranged on the grounding shaft, combined floodgate junction panel lower end is equipped with the first sincere sub-portion, the ground connection junction panel upper end is equipped with the second sincere sub-portion, chain roller is equipped between the first sincere sub-portion and the second sincere sub-portion, the chain roller has the second state for constituting limit cooperation with combined floodgate junction panel in the first sincere sub-portion top pressure with the first state of ground connection junction panel limit cooperation and in the second sincere sub-portion top pressure.By the design of the sincere sub-portion and chain roller of combined floodgate junction panel, the interlocking of earthing switch and disconnecting switch may be implemented, avoid the occurrence of maloperation.
Description
Technical field
The present invention relates to vacuum circuit breaker technical field more particularly to a kind of breaker and disconnecting switch, earthing switches
Interlocking mechanism.
Background technology
Vacuum circuit breaker is using vacuum as the breaker of insulation and arc-extinguishing medium between contact, because it is with volume
The advantages of small, light weight, and be widely used in power distribution network, many industrial and mining enterprises, power plant, substation are all by vacuum circuit breaker
Device is used for the protection and control of electrical equipment.
And vacuum circuit breaker, in combined floodgate, earthing switch cannot be grounded, and not so can lead to drop-in, therefore how
It removes to develop a kind of breaker and the interlocking mechanism of disconnecting switch, earthing switch goes to ensure, under "on" position, earthing switch will not
It is accidentally closed and its important.
Invention content
For the technical deficiency more than overcoming, the present invention provides a kind of interlocking of breaker and disconnecting switch, earthing switch
Mechanism.
The present invention provides a kind of interlocking mechanism of breaker and disconnecting switch, earthing switch comprising isolation axis and ground connection
Axis, the isolation axis are connect by isolated operation mechanism with disconnecting switch, and the grounding shaft is by being grounded operating mechanism and ground connection
Switch connection, the distance bushing are equipped with the combined floodgate junction panel being linked with it, are arranged on the grounding shaft and link with it
The ground connection junction panel of cooperation, combined floodgate junction panel lower end are equipped with the first sincere sub-portion, and the ground connection junction panel upper end is equipped with second
Sincere sub-portion, is equipped with chain roller between the first sincere sub-portion and the second sincere sub-portion, the chain roller has in the first sincere son
It constitutes and limits with combined floodgate junction panel with the first state of ground connection junction panel limit cooperation and in the second sincere sub-portion top pressure when portion's top pressure
Second state of position cooperation.
The upper end of the combined floodgate junction panel is equipped with the interlocking gear to link with circuit breaker operation mechanism.
The upper end both sides of the combined floodgate junction panel are equipped with the chain slot that limit cooperation is constituted with interlocking gear, and two companies
Locked groove constitutes limit cooperation with interlocking gear when switch on and switch off respectively.
The ground connection junction panel bottom end is equipped with displacement slot, and limit pin shaft, the limit pin shaft are equipped in the displacement slot
It can be slid along displacement slot, and two states of conjunction are opened and be grounded to corresponding ground connection respectively at the both ends of displacement slot.
The interlocking gear includes the Interlocked operation mechanism that latch lever is linked with it, and the latch lever is by chain operation
Mechanism drives second state with the first state limited with combined floodgate junction panel and releasing and the limit of combined floodgate junction panel.
The Interlocked operation mechanism includes operating shaft, and the interlocking connecting lever that is linked with operating shaft is matched with operating shaft linkage
The separating brake roller of conjunction, the separating brake cam with the cooperation of separating brake roller, the interlocking connecting lever are linked with latch lever.
The Interlocked operation mechanism is additionally provided with auxiliary switch, and the auxiliary switch is matched by link mechanism and operating shaft linkage
It closes.
The Interlocked operation mechanism is additionally provided with junction panel, and the junction panel is linked by buffering connecting lever with operating shaft,
The junction panel has when latch lever stretches out and the jam plate of tank surface constitutes the first state of limit cooperation and in latch lever
When retraction and the jam plate of tank surface releases the second state of limit cooperation.
The combined floodgate junction panel is equipped with guide groove, and guide pin is equipped in the guide groove.
Beneficial effects of the present invention:By the design of the sincere sub-portion and chain roller of combined floodgate junction panel, when using closing a floodgate, close
The sincere sub-portion of chain roller and ground connection junction panel is constituted limit cooperation by the sincere sub-portion of lock junction panel, can be grounded junction panel
It is locked, the earthing switch under "on" position is prevented to be misused, only under gate-dividing state, the locking state of the ground connection junction panel
Can just be released from, can just be operated safely, while when earthing switch is closed, be grounded junction panel sincere sub-portion make it is chain
Roller constitutes limit cooperation with combined floodgate junction panel, and after avoiding earthing switch from being closed, disconnecting switch is misused.
Description of the drawings
Fig. 1 is the status diagram that the ground connection of the present invention is closed.
Fig. 2 is the status diagram that the isolation of the present invention is closed.
Fig. 3 is keeping apart, being grounded the status diagram opened for the present invention.
Fig. 4 is the structural schematic diagram of the combined floodgate junction panel and ground connection junction panel of the present invention.
Fig. 5 is the rearview of the present invention.
Fig. 6 is the enlarged diagram at A in Fig. 5.
Fig. 7 is the close-up schematic view of the Interlocked operation mechanism of the present invention.
Fig. 8 is the structural schematic diagram of the combined floodgate junction panel of the present invention.
Fig. 9 is the structural schematic diagram of the ground connection junction panel of the present invention.
Figure 10 is the structural schematic diagram of the junction panel and jam plate of the present invention.
Specific implementation mode
Embodiments of the present invention is further illustrated below in conjunction with the accompanying drawings:
As shown, the present invention provides a kind of interlocking mechanism of breaker and disconnecting switch, earthing switch comprising isolation axis 4
With grounding shaft 7, the isolation axis 4 is connect by isolated operation mechanism with disconnecting switch, the isolated operation mechanism include with every
Connecting lever 23 is isolated with second by the way that universal driving shaft 22 is isolated in off-axis 4 the first isolation connecting levers 21 being linked, the first isolation connecting lever 21
Connection, the second isolation connecting lever 23 be isolated axis I1 connections, isolation axis I1 then with blade 9 be isolated be linked, and axis I1 is isolated
Connecting lever 24 is isolated by third to connect with tension spring, the other end of tension spring is then fixed on the shell.
The grounding shaft 7 is connect by being grounded operating mechanism with earthing switch 8, and the ground connection operating mechanism includes and ground connection
The earthed crank arm that axis is linked, the earthed crank arm pass through tension spring and cage connection.
The isolation axis 4 is arranged with the combined floodgate junction panel 3 being linked with it, is arranged on the grounding shaft 7 and joins with it
The ground connection junction panel 6 of dynamic cooperation, 3 lower end of combined floodgate junction panel are equipped with the first sincere sub-portion 18, and the first sincere sub-portion 18 is one
The structure of concave end other end protrusion.
6 upper end of ground connection junction panel is equipped with the second sincere sub-portion 20, and the second sincere sub-portion 20 is also that a concave end other end is prominent
The structure risen.
Chain roller 5 is equipped between the first sincere sub-portion, 18 and second sincere sub-portion 20, one end of the chain roller 5 is hinged
On the shell.
The chain roller 5 has the first state with the ground connection limit cooperation of junction panel 6 in the first sincere 18 top pressure of sub-portion
With the second state for constituting limit cooperation with combined floodgate junction panel 2 in the second sincere 20 top pressure of sub-portion.
When disconnecting switch is closed a floodgate, combined floodgate junction panel 3 is driven by isolation axis 4 to be rotated, meanwhile, the of the combined floodgate junction panel 3
Chain roller can be pressed in the recess of the second sincere sub-portion 20 of ground connection junction panel by the protrusion of one sincere sub-portion 18, and due to first sincere
18 top pressure of sub-portion is grounded junction panel and is then limited by chain roller 5, cannot be rotated at this time in the chain roller.It at this time cannot be right
Earthing switch is operated.
In disconnecting switch separating brake, combined floodgate junction panel 3 is driven by isolation axis to be rotated, and the first sincere son of combined floodgate junction panel 3
The protrusion in portion 18 leaves the upper end of chain roller 5, and chain roller 5 releases the limit for being grounded junction panel at this time, and ground connection connects at this time
Therefore jam plate is it can be selected that at this time can operate earthing switch.
When earthing switch closes a floodgate, grounding shaft 7 drives ground connection junction panel rotation, is grounded the second sincere sub-portion of junction panel at this time
The chain roller of the upward top pressure of protrusion so that chain roller is in the recess of the first sincere sub-portion of combined floodgate junction panel, to real
Existing limit of the chain roller to combined floodgate junction panel so that disconnecting switch cannot be operated.
The upper end of the combined floodgate junction panel is equipped with the interlocking gear to link with circuit breaker operation mechanism.The interlocking gear can be with
In disconnecting switch divide-shut brake, combined floodgate junction panel is limited, it is avoided to be misused in separating brake/combined floodgate.
The upper end both sides of the combined floodgate junction panel 3 are equipped with the chain slot 16 that limit cooperation is constituted with interlocking gear, and two
A chain slot 16 constitutes limit cooperation with interlocking gear when switch on and switch off respectively.Two states are realized by interlocking gear
Limitation, i.e., in close a floodgate when, the limit by interlocking gear to combined floodgate junction panel prevents it from manual brake separating, or is locating
When separating brake, the limit by interlocking gear to combined floodgate junction panel prevents it from closing by hand.
The combined floodgate junction panel 3 is equipped with guide groove 17, and guide pin 10, the guiding are equipped in the guide groove 17
Slot 17 is convex structure, is distributed as the center of circle so that axis is isolated, limits the movement locus of combined floodgate junction panel.
The ground connection junction panel bottom end is equipped with displacement slot 19, and limit pin shaft 11, the limit are equipped in the displacement slot 19
Position axis pin 11 can slide along displacement slot, and two states of conjunction are opened and be grounded to corresponding ground connection respectively at the both ends of displacement slot 19, with ground connection
Axis is that the center of circle is distributed at circular arc, the motion track for limiting ground connection junction panel.
The interlocking gear includes the Interlocked operation mechanism that latch lever 2 is linked with it, and the latch lever is by chain behaviour
Make mechanism and drives second state with the first state limited with combined floodgate junction panel and releasing and the limit of combined floodgate junction panel.The company
Locking bar can be pulled by Interlocked operation mechanism, extended or retracted, to play the limit to combined floodgate junction panel and release the behaviour of limit
Make.
The Interlocked operation mechanism includes operating shaft 25, which is directly used in the operation machine in control phase pole
The control of structure, and the setting interlocking connecting lever 14 in operating shaft 25, which connect with latch lever 2, for driving
Latch lever 2 moves, and separating brake roller 15 is arranged in operating shaft, and the upper end of the separating brake roller 15 is correspondingly arranged separating brake cam 12,
When separating brake cam 12 rotates, separating brake roller can be touched, drives operating shaft rotation, so that latch lever is retracted, releasing pair
The limit of combined floodgate junction panel, i.e., after automatic brake separating, the latch-release of latch lever just can divide disconnecting switch manually
Closing operation avoids being operated manually under "on" position.
Meanwhile the Interlocked operation mechanism is additionally provided with auxiliary switch, the auxiliary switch passes through link mechanism and operating shaft
It is linked, which includes the auxiliary switch connecting lever being linked with auxiliary switch, and auxiliary switch connecting lever passes through connecting rod
It is linked with the connecting lever being arranged in operating shaft, the extended and retracted operation of latch lever can also be realized using auxiliary switch.
The Interlocked operation mechanism is additionally provided with junction panel 13, and the junction panel is matched by buffering connecting lever with operating shaft linkage
It closes, the junction panel has when latch lever stretches out and the jam plate of tank surface 26 constitutes the first state of limit cooperation and even
When locking bar is retracted and the jam plate of tank surface releases the second state of limit cooperation.The junction panel drives by operating shaft, and
Sliding slot is which is provided with, positioning pin is equipped in sliding slot, so that it is determined that the movement locus of junction panel, stretches out and the company of combined floodgate in latch lever
When jam plate constitutes limit cooperation, the end of junction panel is placed in the upper end of jam plate at this time, and jam plate is pushed down, and prevents it upward from outside
It opens, avoids in "on" position, someone carries out manual brake separating by opening jam plate, and is only retracted in latch lever and releases the company of combined floodgate
When the limit state of jam plate, junction panel is then driven and moves inward at this time, not in the direction of motion positioned at jam plate, so as to
To open jam plate, manual divide-shut brake or ground connection operation are carried out to it.
Embodiment is not construed as limitation of the present invention, any spiritual improvements introduced based on the present invention, all Ying Ben
Within the protection domain of invention.
Claims (9)
1. a kind of breaker and disconnecting switch, the interlocking mechanism of earthing switch comprising isolation axis and grounding shaft, the isolation axis
It is connect with disconnecting switch by isolated operation mechanism, the grounding shaft is connect by being grounded operating mechanism with earthing switch, special
Sign is:The distance bushing is equipped with the combined floodgate junction panel being linked with it, is arranged with to link with it on the grounding shaft and match
The ground connection junction panel of conjunction, combined floodgate junction panel lower end are equipped with the first sincere sub-portion, and it is sincere that the ground connection junction panel upper end is equipped with second
Sub-portion, is equipped with chain roller between the first sincere sub-portion and the second sincere sub-portion, the chain roller has in the first sincere sub-portion
It constitutes and limits with combined floodgate junction panel with the first state of ground connection junction panel limit cooperation and in the second sincere sub-portion top pressure when top pressure
Second state of cooperation.
2. breaker according to claim 1 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
The upper end of combined floodgate junction panel is equipped with the interlocking gear to link with circuit breaker operation mechanism.
3. breaker according to claim 1 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
The upper end both sides of combined floodgate junction panel are equipped with the chain slot that limit cooperation is constituted with interlocking gear, and two chain slots are closing respectively
Limit cooperation is constituted when lock and separating brake with interlocking gear.
4. breaker according to claim 1 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
It is grounded junction panel bottom end and is equipped with displacement slot, limit pin shaft is equipped in the displacement slot, the limit pin shaft can be slided along displacement slot
It moves, and two states of conjunction are opened and be grounded to corresponding ground connection respectively at the both ends of displacement slot.
5. breaker according to claim 2 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
Interlocking gear includes the Interlocked operation mechanism that latch lever is linked with it, and the latch lever is had by Interlocked operation mechanism drive
With the second state of the first state and releasing and the limit of combined floodgate junction panel of the limit of combined floodgate junction panel.
6. breaker according to claim 5 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
Interlocked operation mechanism includes operating shaft, the interlocking connecting lever being linked with operating shaft, the separating brake roller being linked with operating shaft,
With the separating brake cam of separating brake roller cooperation, the interlocking connecting lever is linked with latch lever.
7. breaker according to claim 6 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that described
Interlocked operation mechanism is additionally provided with auxiliary switch, and the auxiliary switch is linked by link mechanism and operating shaft.
8. the breaker described according to claim 6 or 7 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that institute
It states Interlocked operation mechanism and is additionally provided with junction panel, the junction panel is linked by buffering connecting lever with operating shaft, the junction panel
With when latch lever stretches out and the jam plate of tank surface constitutes the first state of limit cooperation and when latch lever is retracted and case
The jam plate in body surface face releases the second state of limit cooperation.
9. breaker according to claim 1 or 3 and disconnecting switch, the interlocking mechanism of earthing switch, which is characterized in that institute
It states combined floodgate junction panel and is equipped with guide groove, guide pin is equipped in the guide groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810329378.4A CN108461332A (en) | 2018-04-13 | 2018-04-13 | Breaker and disconnecting switch, the interlocking mechanism of earthing switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810329378.4A CN108461332A (en) | 2018-04-13 | 2018-04-13 | Breaker and disconnecting switch, the interlocking mechanism of earthing switch |
Publications (1)
Publication Number | Publication Date |
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CN108461332A true CN108461332A (en) | 2018-08-28 |
Family
ID=63235033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810329378.4A Pending CN108461332A (en) | 2018-04-13 | 2018-04-13 | Breaker and disconnecting switch, the interlocking mechanism of earthing switch |
Country Status (1)
Country | Link |
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CN (1) | CN108461332A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109741989A (en) * | 2019-03-15 | 2019-05-10 | 福建东方电器有限公司 | A kind of miniaturization series connection linkage vacuum circuit breaker |
CN110224328A (en) * | 2019-05-13 | 2019-09-10 | 浙江途远电气有限公司 | A kind of combined electrical apparatus |
US11476647B1 (en) * | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
-
2018
- 2018-04-13 CN CN201810329378.4A patent/CN108461332A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109741989A (en) * | 2019-03-15 | 2019-05-10 | 福建东方电器有限公司 | A kind of miniaturization series connection linkage vacuum circuit breaker |
CN110224328A (en) * | 2019-05-13 | 2019-09-10 | 浙江途远电气有限公司 | A kind of combined electrical apparatus |
US11476647B1 (en) * | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
US20220344913A1 (en) * | 2021-04-22 | 2022-10-27 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
US11984289B2 (en) | 2021-04-22 | 2024-05-14 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
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