CN110473737A - A kind of grounding switch operation interlocking mechanism - Google Patents
A kind of grounding switch operation interlocking mechanism Download PDFInfo
- Publication number
- CN110473737A CN110473737A CN201910763494.1A CN201910763494A CN110473737A CN 110473737 A CN110473737 A CN 110473737A CN 201910763494 A CN201910763494 A CN 201910763494A CN 110473737 A CN110473737 A CN 110473737A
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- plate
- pressing plate
- padlock
- ring flat
- fan
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of grounding switch operation interlocking mechanisms, the grounding switch operation interlocking mechanism is not under the premise of changing operator's operating habit, it can correctly identify electric operation mode and manual operation mode, earthing switch electric operating control device is set to pass through the state of monitoring respective switch amount, determine whether to meet electric operating condition, avoids influencing each other between electric operating and manual operation.Because electric operating can be stopped immediately when maloperation insertion operation handle during electric operating, guarantee the personal safety of operator.Under electric operation mode, electric operating driving mechanism drives earthing switch to operate big axis rotation, it is operated under the collective effect of the cam pressing plate and fan-shaped pressing plate on big axis being installed in earthing switch, padlock bent plate is set to be depressed or be bounced automatically, the guide rail being connected with padlock bent plate interlocks baffle and stretches out or retract on the right side of guide rail, it prevents or handcart is allowed to be moved to working position from test position, keep mechanical interlocking accurate and reliable.
Description
Technical field
The present invention relates to a kind of grounding switch operation interlocking mechanisms, connect more particularly to used in a kind of high-tension switch cabinet
Ground switchs operation interlocking mechanism.
Background technique
High-tension switch cabinet refers to for playing on-off, control in electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption
Or protection the effects of, voltage class 3.6kV-40.5kV ac metal closing switch gear, mainly include high-voltage circuitbreaker,
Earthing switch, mutual inductor etc. have the function of aerial inlet-outlet line, cable incoming-outgoing wire, bus contact etc..
Earthing switch in conventional high-tension switchgear needs operator's on-site manual to complete operation mostly, maloperation occurs
When be easy to happen the human casualty accident of operator, and can not achieve long-range control, hinder intelligent substation level into
One step improves.The integral electric earthing switch and split type earthing switch electrical operating mechanism occurred in recent years, can be real
The electronic division operation of existing earthing switch, but there are still deficiencies under electric operation mode for grounding switch operation interlocking mechanism
Place.
Existing grounding switch operation interlocking mechanism has the disadvantage that
Grounding switch operation interlocking mechanism can not accurately identify manual and electronic two kinds of operation modes.When user is manually operated
Operation handle is pulled up not in time after the completion, at this time if issuing electric operating instruction, or because accidentally grasping during electric operating
Make insertion operation handle, is likely to damage operator.And due to the change of mode of operation, original mechanical connection
The case where latch mechanism will appear interlock fault under electric operation mode.
Summary of the invention
In view of this, can correctly identify manual operation mode and electric operating mould the purpose of the present invention is to provide a kind of
Formula, and it is provided under two kinds of operation modes the grounding switch operation interlocking mechanism of reliable interlock.
To achieve the goals above, the technical solution that the embodiment of the present invention one provides is as follows:
A kind of grounding switch operation interlocking mechanism, which is characterized in that operate big axis, padlock bent plate, top including earthing switch
Set, pressure spring and microswitch, the earthing switch operate big axis front end and are equipped with six side's operating heads, and the top cover is equipped with ring flat-plate and position
In front of ring flat-plate and the top pawl vertical with ring flat-plate, the ring flat-plate are equipped with the hexagonal hole to match with six side's operating heads, and ring flat-plate passes through
Hexagonal hole is set on six side's operating heads, and top pawl is located on the outside of hexagonal hole, and top pawl front end operates head surface along six sides and protrudes into forward
Into the insert port of earthing switch operation handle, and the insertion end end face of operation handle can be abutted, the pressure spring is set in ground connection
Switch operates on big axis, and front end is contacted with ring flat-plate, and pressure spring rear end and ring flat-plate front end are all provided with limited position mechanism limit, the fine motion
Switch is located on the outside of pressure spring rear end, ring flat-plate can be pushed to move backward by top pawl when the operation handle is inserted into insert port, and
Be closed the microswitch normally opened contact, the operation handle when extracting the ring flat-plate under the action of pressure spring to Forward
It is dynamic, disconnect the microswitch normally opened contact.
Preferably, a kind of grounding switch operation interlocking mechanism further includes auxiliary switch mounting plate, the auxiliary switch installation
Plate is equipped with one perpendicular to the bending part for operating big axis, and the bending part top is equipped with U-type groove, and earthing switch operates big axis and can live
It is threaded through in U-type groove dynamicly, the ring flat-plate front end face abuts bending part at U-type groove, and the microswitch passes through microswitch
Mounting plate is mounted on auxiliary switch mounting plate.
Preferably, a kind of grounding switch operation interlocking mechanism further includes the shutdown locking pressure set gradually in front of U-type groove
Plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and division direction board；The shutdown locking pressing plate, cam pressing plate, fan
Shape pressing plate, limit plate, bearing block set and division direction board are equipped with the hexagonal hole to match with six side's operating heads；The six sides behaviour
Locking pressing plate of closing the door, cam pressing plate, fan-shaped pressing plate, limit plate, six sides for supporting block set and division direction board are sequentially passed through as head
Hole, and shutdown locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and division direction board can be driven to open with ground connection
It closes and operates big axis synchronous rotation.
Preferably, the top cover be three-jaw dome set, the ring flat-plate be circular configuration, top pawl set there are three, the ring flat-plate
On hexagonal hole be located at ring flat-plate center, three top pawls surround the hexagonal hole spaced set.
Preferably, the shutdown locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and division direction board
Three notches corresponding with three top pawls are equipped at its hexagonal hole edge, three top pawls pass through U-type groove and corresponding notch protrudes into
Into insert port.
Preferably, the padlock bent plate is equipped with the elongated end backward that can be abutted against with the protruding parts on cam pressing plate,
The padlock bent plate is equipped with the inside elongated end that can be abutted against with the protruding parts on fan-shaped pressing plate, when closing earthing switch,
The cam pressing plate and the fan-shaped pressing plate operate big axis with the earthing switch and rotate clockwise, convex on the cam pressing plate
The protruding parts on position and the fan-shaped pressing plate is respectively after two extensions end in contact corresponding with the padlock bent plate out, institute
It states padlock bent plate to be depressed, so that the guide rail being connected with the padlock bent plate is interlocked baffle and stretched out on the right side of guide rail and handcart can be prevented
Mobile, handcart cannot be moved to working position from test position at this time；Protruding parts when dividing earthing switch, on the cam pressing plate
With the protruding parts on the fan-shaped pressing plate with the earthing switch operate big axis go back to counterclockwise and with the padlock bent plate phase
Corresponding elongated end is detached from, and the padlock bent plate can be bounced by torsional spring, the guide rail interlocking baffle meeting being connected with padlock bent plate
It retracts on the right side of the guide rail, handcart can be moved to working position from test position at this time.
The invention has the following advantages that
Manual and electronic two kinds of operations mould can be accurately identified using a kind of grounding switch operation interlocking mechanism of the invention
Formula, after user's insertion operation handle, the top pawl of top cover is moved backward by operation handle promotion, and the ring flat-plate of top cover is made to depress fine motion
The fingertip idler wheel of switch, so that the normally opened contact of microswitch be made to be closed, earthing switch electric operating control device monitors this
When On-off signal state is closed state, because being unsatisfactory for operating condition without executing electric operating.When operation handle is extracted
Top cover moves forward under the action of pressure spring afterwards, and ring flat-plate is made to leave the fingertip idler wheel of microswitch, to make the normal of microswitch
It opens contact and returns to initial off-state.When during electric operating because of maloperation insertion operation handle, the top pawl quilt of top cover
Operation handle promotion moves backward, and makes the fingertip idler wheel of ring flat-plate pressure microswitch, so that the normally opened contact of microswitch be made to close
It closes, when earthing switch electric operating control device monitors that the On-off signal state is closed state, can stop immediately current
Electric operating simultaneously prompts user to make respective handling, can avoid operation handle in this way and turns under the drive of electric operating driving mechanism
It moves and injures operator.
In the manual operating mode, operator needs first to depress padlock bent plate when insertion operation handle, and the padlock is curved
After plate is depressed, the guide rail that is attached thereto interlocking baffle can stretch out on the right side of guide rail and handcart can be prevented mobile, and handcart is not at this time
Working position can be moved to from test position.Under electric model, original padlock bent plate cannot lean on again operator to go to depress manually
And realize interlock, after electronic conjunction earthing switch, if padlock bent plate is not depressed, guide rail interlocks baffle cannot be from guide rail
Right side is stretched out and prevents handcart mobile, and handcart from test position is moved to working position there may be weigh in the state of closing earthing switch
Big security risk.Grounding switch operation interlocking mechanism of the invention during electronic conjunction earthing switch by cam pressing plate and
Fan-shaped pressing plate depresses padlock bent plate automatically, avoids and the case where interlock fault occurs, improves the reliability of interlocking mechanism.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram that the embodiment of the present invention is mounted in high-tension switch cabinet；
Fig. 3 is the position of grounding switch operation interlocking mechanism correlated parts when being not inserted into operation handle in the embodiment of the present invention
Schematic diagram；
The position of grounding switch operation interlocking mechanism correlated parts shows when Fig. 4 is insertion operation handle in the embodiment of the present invention
It is intended to；
Fig. 5 is the position of cam pressing plate and fan-shaped pressing plate and padlock bent plate of the earthing switch in quartile in the embodiment of the present invention
Set schematic diagram；
Fig. 6 is the E-E of Fig. 5 to cross-sectional view；
Fig. 7 is the F-F of Fig. 5 to cross-sectional view；
Fig. 8 is the padlock bent plate three-dimensional view in the embodiment of the present invention；
Fig. 9 is the three-dimensional view of the top cover in the embodiment of the present invention.
Wherein: 1, padlock bent plate；2, division direction board；3, limit plate；4, fan-shaped pressing plate；5, cam pressing plate；6, it closes the door and closes
Lock pressing plate；7, top cover；8, microswitch；9, spacing collar；10, earthing switch operates big axis；11, pressure spring；12, connecting plate；13, small
Connecting lever；14, shaft is interlocked；15, torsional spring；17, guide rail interlocks baffle；18, guide rail；19, auxiliary switch mounting plate；20, manipulator
Handle insert port；21, microswitch mounting plate；22, block set is supported；23, operation handle.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to shown in Fig. 1 to 7, a kind of grounding switch operation interlocking mechanism of the present embodiment, including earthing switch operation are big
Axis 10, padlock bent plate 1, top cover 7, pressure spring 11 and microswitch 8, the earthing switch operate big 10 front end of axis and operate equipped with six sides
Head 10-1, the top cover 7 are equipped with ring flat-plate 7-2 and positioned at the front ring flat-plate 7-2 and the top pawl 7-1 vertical with ring flat-plate 7-2, the ring flat-plates
7-2 is equipped with the hexagonal hole 7-3 to match with six side's operating head 10-1, and ring flat-plate 7-2 is set in six side's operating heads by hexagonal hole 7-3
On 10-1, top pawl 7-1 is located on the outside of hexagonal hole 7-3, pushes up the front end pawl 7-1 along six surfaces side operating head 10-1 and extend into ground connection forward
It switchs in operation handle insert port 20, and the insertion end end face of operation handle 23 can be abutted, the pressure spring 11 is set in ground connection and opens
It closes and operates on big axis 10, front end is contacted with ring flat-plate 7-2, and 11 rear end of pressure spring and the front end ring flat-plate 7-2 are all provided with limited position mechanism limit,
The microswitch 8 is located on the outside of 11 rear end of pressure spring, and the operation handle 23 can pass through when being inserted into operation handle insert port 20
Top pawl 7-1 pushes ring flat-plate 7-2 to move backward, and is closed 8 normally opened contact of microswitch, when the operation handle 23 is extracted
The ring flat-plate 7-2 is moved forward under the action of pressure spring 11, disconnects 8 normally opened contact of microswitch.
Preferably, a kind of grounding switch operation interlocking mechanism further includes auxiliary switch mounting plate 19, the auxiliary switch peace
Loading board 19 is equipped with one perpendicular to the bending part 19-1 for operating big axis, and the top bending part 19-1 is equipped with U-type groove, earthing switch
It operates big axis 10 to be movably threaded through in U-type groove, the ring flat-plate 7-2 front end face abuts bending part 19-1 at U-type groove, described
Microswitch 8 is mounted on auxiliary switch mounting plate 19 by microswitch mounting plate 21.
Preferably, a kind of grounding switch operation interlocking mechanism further includes the shutdown locking pressure set gradually in front of U-type groove
Plate 6, cam pressing plate 5, fan-shaped pressing plate 4, limit plate 3, bearing block set 22 and division direction board 2；It is shutdown locking pressing plate 6, convex
Wheel pressing plate 5, fan-shaped pressing plate 4, limit plate 3, bearing block set 22 and division direction board 2 are equipped with and match with six side's operating head 10-1
Hexagonal hole；The six sides operating head 10-1 sequentially pass through shutdown locking pressing plate 6, cam pressing plate 5, fan-shaped pressing plate 4, limit plate 3,
The hexagonal hole of block set 22 and division direction board 2 is supported, and shutdown locking pressing plate 6, cam pressing plate 5, fan-shaped pressing plate 4, limit can be driven
Position plate 3, bearing block set 22 and division direction board 2 operate big axis 10 with earthing switch and rotate synchronously.
Preferably, the top cover 7 be three-jaw dome set, the ring flat-plate 7-2 be circular configuration, top pawl 7-1 set there are three, institute
It states the hexagonal hole 7-3 on ring flat-plate 7-2 and is located at the center ring flat-plate 7-2, three top pawl 7-1 surround hexagonal hole 7-3 spaced set.
Preferably, the shutdown locking pressing plate 6, cam pressing plate 5, fan-shaped pressing plate 4, limit plate 3, bearing block set 22 and division
Direction board 2 is equipped with three notches corresponding with three top pawl 7-1 at its hexagonal hole edge respectively, and three top pawl 7-1 pass through U-shaped
Slot and corresponding notch are extend into insert port 20.
Preferably, the padlock bent plate 1 is equipped with the prolonging backward that can be abutted against with the protruding parts 5-1 on cam pressing plate 5
End 1-1 is stretched, the padlock bent plate 1 is equipped with the inside elongated end 1-2 that can be abutted against with the protruding parts 4-1 on fan-shaped pressing plate 4,
When closing earthing switch, the cam pressing plate 5 and the fan-shaped pressing plate 4 operate big axis 10 with the earthing switch and turn clockwise
Dynamic, the protruding parts 4-1 on protruding parts 5-1 and the fan-shaped pressing plate 4 on the cam pressing plate 5 is curved with the padlock respectively
After the corresponding elongated end 1-1 of plate 1 and elongated end 1-2 contact, the padlock bent plate 1 is depressed, the driving end with padlock bent plate 1
1-3 connected link mechanism drives interlocking shaft 14 to rotate by its connecting plate 12, small connecting lever 13, makes after being mounted on interlocking shaft 14
The guide rail interlocking baffle 17 at end stretches out from 18 right ports of guide rail and handcart can be prevented mobile, and handcart cannot be displaced from test at this time
Move working position；The protrusion on protruding parts and the fan-shaped pressing plate 4 when dividing earthing switch, on the cam pressing plate 5
Position operates big axis 10 with the earthing switch and goes back to counterclockwise and elongated end 1-1 corresponding with the padlock bent plate 1 and extension
1-2 is held to be detached from, under the action of torsional spring 15, the padlock bent plate 1 can bounce reset by torsional spring 15, be connected with padlock bent plate 1
The guide rail interlocking baffle 17 can retract 18 right side of guide rail, and handcart can be moved to working position from test position at this time.
The present invention solves following technical problem:
Manual and electronic two kinds of operations mould can be accurately identified using a kind of grounding switch operation interlocking mechanism of the invention
Formula, behind user's insertion operation handle 23, the top pawl 7-1 of top cover 7 is moved backward by the promotion of operation handle 23, makes the ring of top cover 7
Plate 7-2 pressure microswitch mounting plate 21 is fixedly mounted on the fingertip idler wheel of the microswitch 8 on auxiliary switch mounting plate 19
8-1, so that the normally opened contact of microswitch 8 be made to be closed, earthing switch electric operating control device monitors the On-off signal
When state is closed state, because being unsatisfactory for operating condition without executing electric operating.Top cover 7 exists after operation handle 23 is extracted
It is moved forward under the action of pressure spring 11, so that the ring flat-plate 7-2 of top cover 7 is left the fingertip idler wheel 8-1 of microswitch 8, to make fine motion
The normally opened contact of switch 8 returns to initial off-state.When during electric operating because of maloperation insertion operation handle 23, top
The top pawl 7-1 of set 7 is moved backward by the promotion of operation handle 23, and the ring flat-plate 7-2 of top cover 7 is made to depress the fingertip idler wheel of microswitch 8
8-1, so that the normally opened contact of microswitch 8 be made to be closed, earthing switch electric operating control device monitors the On-off signal
When state is closed state, current electric operating can be stopped immediately and user is prompted to make respective handling, can avoid operation in this way
Handle rotates under the drive of electric operating driving mechanism and injures operator.
In the manual operating mode, operator needs first to depress padlock bent plate 1, the padlock when insertion operation handle 23
After bent plate 1 is depressed, is driven and interlocked by its connecting plate 12, small connecting lever 13 with the link mechanism that padlock bent plate 1 drives end 1-3 to be connected
Shaft 14 rotates, and the guide rail interlocking baffle 17 for being mounted on interlocking 14 rear end of shaft is made to stretch out and can prevent from 18 right ports of guide rail
Handcart is mobile, and handcart cannot be moved to working position from test position at this time.Under electric model, original padlock bent plate 1 cannot be again
It goes to depress and realize interlock manually by operator, after electronic conjunction earthing switch, if padlock bent plate 1 is not depressed,
Under the action of torsional spring 15 being mounted in interlocking shaft 14, guide rail interlocking baffle 17 cannot stretch out simultaneously from 18 right ports of guide rail
Prevent handcart mobile, handcart is moved to working position there may be considerable safety wind from testing position in the state of closing earthing switch
Danger.
Grounding switch operation interlocking mechanism of the invention passes through cam pressing plate 5 and fan during electronic conjunction earthing switch
Shape pressing plate 4 depresses padlock bent plate 1 automatically, avoids and the case where interlock fault occurs, improves the reliability of interlocking mechanism.
Since the grounding switch operation interlocking mechanism solves the above technical problem, so that it is effectively prevented because of maloperation
Caused adverse consequences.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of grounding switch operation interlocking mechanism, which is characterized in that including earthing switch operate big axis, padlock bent plate, top cover,
Pressure spring and microswitch, the earthing switch operate big axis front end and are equipped with six side's operating heads, and the top cover is equipped with ring flat-plate and is located at
In front of ring flat-plate and the top pawl vertical with ring flat-plate, the ring flat-plate are equipped with the hexagonal hole to match with six side's operating heads, and ring flat-plate passes through six
Square hole is set on six side's operating heads, and top pawl is located on the outside of hexagonal hole, and top pawl front end operates head surface along six sides and extend into forward
In the insert port of earthing switch operation handle, and the insertion end end face of operation handle can be abutted, the pressure spring is set in ground connection and opens
It closes and operates on big axis, front end is contacted with ring flat-plate, and pressure spring rear end and ring flat-plate front end are all provided with limited position mechanism limit, and the fine motion is opened
Off-position can push ring flat-plate to move backward when the operation handle is inserted into insert port on the outside of pressure spring rear end by top pawl, and make
Microswitch normally opened contact closure, the operation handle when extracting the ring flat-plate under the action of pressure spring to Forward
It is dynamic, disconnect the microswitch normally opened contact.
2. a kind of grounding switch operation interlocking mechanism according to claim 1, which is characterized in that further include auxiliary switch peace
Loading board, the auxiliary switch mounting plate are equipped with one perpendicular to the bending part for operating big axis, and the bending part top is equipped with U-shaped
Slot, earthing switch operate big axis and are movably threaded through in U-type groove, and the ring flat-plate front end face abuts bending part, institute at U-type groove
Microswitch is stated to be mounted on auxiliary switch mounting plate by microswitch mounting plate.
3. a kind of grounding switch operation interlocking mechanism according to claim 2, which is characterized in that further include before U-type groove
Shutdown locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and the division direction board just set gradually；The pass
Door locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and division direction board are equipped with and six side's operating head phases
Matched hexagonal hole；The six sides operating head sequentially passes through shutdown locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing
The hexagonal hole of block set and division direction board, and shutdown locking pressing plate, cam pressing plate, fan-shaped pressing plate, limit plate, splicing sleeve can be driven
Seat and division direction board operate big axis with earthing switch and rotate synchronously.
4. a kind of grounding switch operation interlocking mechanism according to claim 3, which is characterized in that the top cover is three-jaw circle
Top cover, the ring flat-plate be circular configuration, top pawl set there are three, the hexagonal hole on the ring flat-plate is located at ring flat-plate center, three top pawls
Around the hexagonal hole spaced set.
5. a kind of grounding switch operation interlocking mechanism according to claim 4, which is characterized in that the shutdown locking pressure
Plate, cam pressing plate, fan-shaped pressing plate, limit plate, bearing block set and division direction board are equipped with and three top pawls at its hexagonal hole edge
Corresponding three notches, three top pawls pass through U-type groove and corresponding notch is extend into insert port.
6. a kind of grounding switch operation interlocking mechanism according to claim 3, which is characterized in that the padlock bent plate is equipped with
The elongated end backward that can be abutted against with the protruding parts on cam pressing plate, the padlock bent plate be equipped with can on fan-shaped pressing plate
The inside elongated end that protruding parts abuts against, when closing earthing switch, the cam pressing plate and the fan-shaped pressing plate are with described
Earthing switch operates big axis and rotates clockwise, the protruding parts on protruding parts and the fan-shaped pressing plate on the cam pressing plate
Respectively after two extensions end in contact corresponding with the padlock bent plate, padlock bent plate is depressed, and makes and the padlock bent plate phase
Guide rail even interlocks baffle and stretches out on the right side of guide rail and handcart can be prevented mobile, and handcart cannot be moved to work from test position at this time
Position；When dividing earthing switch, the protruding parts on protruding parts and the fan-shaped pressing plate on the cam pressing plate connects with described
The ground big axis of switch operation is gone back to counterclockwise and elongated end corresponding with the padlock bent plate is detached from, and the padlock bent plate can be turned round
Spring bounces, and the guide rail interlocking baffle being connected with padlock bent plate can retract on the right side of the guide rail, and handcart can be from test at this time
Position is moved to working position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763494.1A CN110473737A (en) | 2019-08-19 | 2019-08-19 | A kind of grounding switch operation interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763494.1A CN110473737A (en) | 2019-08-19 | 2019-08-19 | A kind of grounding switch operation interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110473737A true CN110473737A (en) | 2019-11-19 |
Family
ID=68511851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910763494.1A Pending CN110473737A (en) | 2019-08-19 | 2019-08-19 | A kind of grounding switch operation interlocking mechanism |
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| Country | Link |
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| CN (1) | CN110473737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447810A (en) * | 2021-06-29 | 2021-09-28 | 积成电子股份有限公司 | Device and method for realizing switching-on and switching-off operation detection and misoperation prevention of ring main unit |
-
2019
- 2019-08-19 CN CN201910763494.1A patent/CN110473737A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447810A (en) * | 2021-06-29 | 2021-09-28 | 积成电子股份有限公司 | Device and method for realizing switching-on and switching-off operation detection and misoperation prevention of ring main unit |
| CN113447810B (en) * | 2021-06-29 | 2022-12-27 | 积成电子股份有限公司 | Device and method for realizing switching-on and switching-off operation detection and misoperation prevention of ring main unit |
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