CN106531536B - A kind of three-station interlocking mechanism - Google Patents
A kind of three-station interlocking mechanism Download PDFInfo
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- CN106531536B CN106531536B CN201611261502.5A CN201611261502A CN106531536B CN 106531536 B CN106531536 B CN 106531536B CN 201611261502 A CN201611261502 A CN 201611261502A CN 106531536 B CN106531536 B CN 106531536B
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- fixed
- fixing bracket
- drawstring
- limited block
- cabinet
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- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 239000007787 solid Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Patch Boards (AREA)
Abstract
The present invention provides a kind of switch interlocking mechanism, including shift plate device 1, rope hauling device 2, interlock 3, fixing device 4 and cabinet body door 5, and the fixing device includes the first fixing bracket 41, the second fixing bracket 42 and crossbeam 43；Crossbeam is arranged on the cabinet, and the crossbeam includes a limited block chamber 44, and first fixing bracket 41, the second fixing bracket 42 are relatively fixed with crossbeam；By physics interlocking ensure that staff in the energized state will not access switch cabinet, improve safety and the reliability of switchgear.
Description
Technical field
The present invention relates to electric switch field more particularly to a kind of interlocks for switching mechanism and cabinet body door.
Background technology
Three-station be for realizing the electrical equipment of connection, isolation and ground connection, be core element in switchgear it
One, it is integral by disconnecting switch and earthing switch set, and 3 stations are connected, are isolated and are grounded to composition.In the operation of switchgear
In the process, to prevent maloperation from ensureing the personal safety of staff, in addition to electric interlock, it is also necessary between mechanism and mechanism
And relevant mechanical interlocking is designed between mechanism and cabinet, cabinet body door, work could be opened when mechanism action is to home
Cabinet inside could be carried out the inspection or operation of relevant item by making personnel.
Three-station mechanism generally uses operated manually or electrically, in five anti-requirements of switchgear, to prevent from accidentally grasping
The personal safety for making guarantee staff prevents mistakenly entering charged chamber, earthing switch is equipped in switchgear, when staff or inspection
It is split to put row ground protection into when the personnel of repairing need to equipment or carry out maintenance and inspection by maintenance circuit, at this moment in addition to mechanism it
Between need to carry out outside fool proof interlocking, it is also necessary to mechanism and cabinet are interlocked.
In the interlocking of existing cabinet, the interlocking of mechanism and cabinet is limited by the limitation in space and the installation site of mechanism
System, typically installs all kinds of interlock plates additional in mechanism, when mechanism and the distance of cabinet body door farther out when, the length of interlock plate
Accordingly to increase, or even the transition of multiple interlock plates is needed to prevent from interfering to avoid original mechanism, cause the mechanism of switchgear whole
Body complex parts interlock, it is also possible to influence arrangement and the beauty of secondary connection, multiple interlock plates, which are connected, to be influenced
The accuracy of interlocking, and the workload of service personnel may also be increased when mechanism is overhauled.
In existing cabinet interlocking, when above-mentioned mechanical interlocking, which encounters influence, cannot achieve, typically increase in mechanism
Corresponding electric interlock such as travel switch and electromagnet, but when electric interlock breaks down and can not work, needs staff
Or service personnel repairs, and can only could open cabinet by mechanical interlocking to ensure switchgear to be under ground protection state at this time
Body door.
A kind of interlock for three-station mechanism and cabinet body door of the present invention can be effectively prevented from
The occurrence of stating.
The present invention relates to a kind of interlock for three-station mechanism and cabinet body door, in three-station mechanism and
It is used for the interlocking of mechanism and cabinet body door in the interlocking of cabinet, improves safety and the reliability of cabinet.
Invention content
The technical problem to be solved in the present invention is to provide a kind of three-station interlocking mechanism, solves that electric appliance is chain to be had
Effect property, the problem of reliability deficiency.
The invention is realized in this way：A kind of three-station interlocking mechanism, including shift plate device, rope hauling device, interlocking
Device, fixing device and cabinet body door；
The fixing device includes the first fixing bracket, the second fixing bracket and crossbeam；Crossbeam is arranged on the cabinet, described
Crossbeam includes a limited block chamber, and first fixing bracket, the second fixing bracket and crossbeam are relatively fixed；
The shift plate device includes instruction wheel, pin, interlocking plectrum and tension spring；
The rope hauling device includes the first screw rod, drawstring and the second screw rod；
The instruction wheel is connect with cabinet earthed circuit, and pin is fixed in instruction wheel；One end of interlocking plectrum is overlapped on pin
On, the other end is fixed with the first screw rod, and one end of the tension spring is fixed with the first fixing bracket, and the other end and interlocking plectrum are solid
It is fixed.
First screw rod presses in the upper end of drawstring, and the second screw rod presses in the lower end of drawstring, and it is solid to be fixed on drawstring
On fixed board；The drawstring passes through the first fixing bracket and the second fixing bracket；
Interlock includes that drawstring fixed plate, sliding block, the drawstring fixed plate and sliding block are fixed, the sliding block and limited block
Fixed, the limited block is set in the limited block chamber of the lower section of sliding block, and can be slided in intracavitary, and the length of the sliding block is more than
The Opening length of limited block chamber, one end and the crossbeam of the second tension spring are fixed, and the other end is fixed with drawstring fixed plate；
The limited block limits the unlatching of cabinet body door by sliding into different location in limited block chamber.
Further, the device that draws high further includes conduit, the conduit include allow drawstring by cavity.
Specifically, the conduit passes through the first fixing bracket, the second fixing bracket.
Specifically, the conduit is arranged along cabinet wall, and the conduit is bent into the shape being adapted with cabinet wall.
Further, the cabinet body door is provided with through-hole in the corresponding position of limited block chamber, and limited block is sliding in limited block chamber
Move to different location and with can not from cabinet body door through-hole by and can pass through two states from through-hole.
Further, first fixing bracket is fixed with cabinet.
Specifically, second fixing bracket is fixed with crossbeam.
The invention has the advantages that：It ensure that staff in the energized state will not access switch by physics interlocking
Cabinet improves safety and the reliability of switchgear.
Description of the drawings
Fig. 1 is the interlocking mechanism of switch cabinet locked state schematic diagram described in the specific embodiment of the invention；
Fig. 2 is the interlocking mechanism of switch cabinet unlocked state schematic diagram described in the specific embodiment of the invention.
Reference sign：
1. shift plate device；2. rope hauling device；3. interlock；4. fixing device；5. cabinet body door；
11. instruction wheel；12. pin；13. interlocking plectrum；14. tension spring；21. the first screw rod；22. drawstring；23. conduit；24. the
Two screw rods；
31. drawstring fixed plate；32. sliding block；33. the first tension spring fixing screws；34. limited block；35. the second tension spring；36. the
Two tension spring positioning screws；
41. the first fixing bracket；42. the second fixing bracket；43. crossbeam；44. limited block chamber；51. cabinet body door；52. cabinet
Door through-hole；
Specific implementation mode
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is coordinated to be explained in detail.
It please refers to Fig.1 and Fig. 2, the present invention is a kind of switch interlocking mechanism, including shift plate device 1, rope hauling device 2, connection
Locking device 3, fixing device 4 and cabinet body door 5；
The fixing device includes the first fixing bracket 41, the second fixing bracket 42 and crossbeam 43；Crossbeam is arranged in cabinet
On, the crossbeam includes a limited block chamber 44, and first fixing bracket 41, the second fixing bracket 42 are opposite with crossbeam solid
It is fixed；
The shift plate device includes instruction wheel 11, pin 12, interlocking plectrum 13 and tension spring 14；
The rope hauling device includes the first screw rod 21, drawstring 22 and the second screw rod 24；
The instruction wheel is connect with cabinet earthed circuit, and pin is fixed in instruction wheel；One end of interlocking plectrum is overlapped on pin
On, the other end is fixed with the first screw rod, and one end of the tension spring is fixed with the first fixing bracket, and the other end and interlocking plectrum are solid
It is fixed.
First screw rod presses in the upper end of drawstring, and the second screw rod presses in the lower end of drawstring, and it is solid to be fixed on drawstring
On fixed board；The drawstring passes through the first fixing bracket and the second fixing bracket；
Interlock includes that drawstring fixed plate 31, sliding block 32, the drawstring fixed plate 31 and sliding block 32 are fixed, the sliding block
32 fix with limited block 34, and the limited block 34 is set in the limited block chamber of the lower section of sliding block, and can be slided in intracavitary, described
The length of sliding block is more than the Opening length of limited block chamber, and one end and the crossbeam of the second tension spring are fixed, the other end and drawstring fixed plate
It is fixed；
The limited block limits the unlatching of cabinet body door by sliding into different location in limited block chamber.Specifically implementing
In example, the cabinet body door is provided with through-hole in the corresponding position of limited block chamber, and limited block slides into different location in limited block chamber
And with can not from cabinet body door through-hole by and can pass through two states from through-hole.
Through the above scheme instruction wheel rotation drive the movement of limited block, while instruction wheel and cabinet earthed circuit connect
It connects, controls the break-make of cabinet earthed circuit, ensure that the safety of operating personnel.
In a further embodiment, the device that draws high further includes conduit, the conduit include allow drawstring by
Cavity.In other embodiments, the conduit passes through the first fixing bracket, the second fixing bracket, conduit to play one to drawstring
Conduit is also fixed on different location by the first fixing bracket, the second fixing bracket, controls walking for drawstring by the effect of a protection
Line plays the raising drawstring service life by designing conduit, does not influence the effect of normal cabling in switchgear.
In the particular embodiment, the conduit along cabinet wall be arranged, the conduit be bent into cabinet wall be adapted
Shape, the first fixing bracket are fixed with cabinet, and second fixing bracket is fixed with crossbeam.
As shown in Figure 1, when three position mechanism is in original operating state, instruction wheel (11) is in shown position, sells (12)
It is contactless with interlocking plectrum (13), plectrum (13) is interlocked not by the active force of pin (12), while will under the action of tension spring (14)
Plectrum (13) is interlocked to draw toward the left side；Sliding block (32) is turned right drawing under the action of tension spring (35), the drawstring being fixed on sliding block (32)
Fixed plate (31), limited block (34) are moved right also with past, until interlocking position, at this time on limited block (34) and cabinet body door (51)
Not in one direction, cabinet body door (51) can not carry cabinet body door through-hole (52) upwards, i.e., by cabinet gate interlock, cannot open.
As shown in Fig. 2, three position mechanism, which is in interlock, interlocks the working condition released at position in place.Three stations
When action is to earthing position, instruction wheel (11) rotates clockwise switching mechanism, and the pin (12) in instruction wheel (11) is also suitable therewith
Hour hands rotate, when pin (12) with interlocking plectrum (13) contact and continue along rotate clockwise when, pin (12) by interlocking plectrum (13)
It pushes up to the right, stress at the downward bending of interlocking plectrum (13), interlocking plectrum (13) slides to the right, and tension spring (14) is elongated, simultaneously
The screw rod (21) for being fixed on the upward bending part of interlocking plectrum (13) is also drawn to the right, and screw rod (21) drives the upper end of drawstring (22) to the right
It draws, drawstring (22) slides in the cavity of conduit (23) to corresponding direction；The sliding of drawstring (22) keeps its lower end fixed thereto
Screw rod (24) be moved to the left, drawstring fixed plate (31) fixed thereto is pulled to the left, drawstring fixed plate (31) band movable slider
(32), tension spring fixing screws (33) and limited block (34) while to Zola, sliding block (32) slides to the left on crossbeam (43), at this time
Tension spring (35) is elongated, and limited block (34) slides to the left in limited block chamber (44).
As shown in Fig. 2, when three position mechanism acts in place, in place, entire interlock in place, stops dynamic instruction wheel (11)
Make, limited block (34) slides into in cabinet body door through-hole (52) same direction at this time, and cabinet body door (51) is carried upwards, and cabinet body door is logical
Hole (52) is not limited across limited block (34) by it, to open cabinet body door (51).
As shown in Fig. 2, when cabinet needs interlocking, three-station mechanism action, instruction wheel (11) turns counterclockwise
It is dynamic, the power release on interlocking plectrum (13) is acted on, tension spring (14) will interlock plectrum (13) toward Zola, while tension spring (35) will be slided
Block (32) is turned right drawing, and to which drawstring (22) to be withdrawn into the reset condition of Fig. 1, cabinet body door (51) interlocks at this time, and interlock returns
To Fig. 1 states.
Simultaneously because instruction wheel is connected with cabinet earthed circuit switch, therefore in the particular embodiment, when instruction rotates
The position enabled to earthed circuit is set as unlock working condition, and cabinet body door can be opened, and ensure that the cabinet one that can enter
Surely it is the cabinet of the safety of ground state.The safety for ensureing cabinet by way of mechanical linkage simultaneously, compared to electric switch
Interlocking mechanism, the interlocking of switchgear can also be realized under power blackout situation, ensure that switchgear in the power-off state reliable
Property.
The advantage of the present invention also resides in：
Shape can be carried out according to the actual needs of three-station and the requirement to actuator travel precision by interlocking plectrum (13)
Modification on shape and position.
The length of drawstring (22) and conduit (23) can be according to the actual conditions of three-station and to actuator travel precision
Requirement carry out length cutting matching；Walking for conduit (23) can be according to the actual conditions of three-station mechanism and cabinet
Carry out the fixation of position.
The shape of fixing bracket (41) (42) and fixed position are flexible, can be according to the physical location and three works of conduit (23)
The practical layout of bit switch mechanism carries out the change of shape and the fixation of position in different positions；Fixing bracket (41) (42) is right
The clamping mode of conduit (23) is simple, the opening of the holder that is fixedly clamped (41) (42) can fixed catheter (23), if needing to dismantle,
Same only need to slightly break the opening of fixing bracket (41) (42) into two with one's hands can remove conduit (23).
The true form and size of drawstring fixed plate (31) and sliding block (32) can be according to the space cloth of specific fixed position
The modification and installation that office tallies with the actual situation.
Mechanism realizes drawstring (22) in conduit (23) sky by pin (12) the driving interlocking plectrum (11) in instruction wheel (11)
The sliding of intracavitary realizes limited block to drive the position of drawstring fixed plate (31), sliding block (32) and limited block (34) to move
(34) interlocking of cabinet body door (51) is acted on.
The interlock can be that interlocking of the limited block (34) to cabinet body door (51) is released in the case where device is in original state,
It can also be the interlocking released in the case where device is in state in place to limited block (34) to cabinet body door (51).
The interlock is equally applicable to interlocking of the two position switch mechanisms to cabinet body door (51), as long as change instruction at this time
The position for selling (12) on (11) is taken turns, the action of interlocking plectrum (13) is made to do sth. in advance to the operating position interlocked needed for two station mechanisms i.e.
It can.
The interlock be equally applicable to cabinet body door (51) the position that any conduit of cabinet (23) can continuously walk connection
Lock only the installation site of conduit (23) need to be fixed by actual conditions at this time, corresponding part exchanging to corresponding position
Set assembly.
What the interlock was equally applicable in addition to door-plate other parts carries out blocking connection by locking part position change
The device of lock.
Example the above is only the implementation of the present invention is not intended to limit the scope of patent protection of the present invention, every utilization
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (7)
1. a kind of three-station interlocking mechanism, which is characterized in that including shift plate device, rope hauling device, interlock, fixed dress
It sets and cabinet body door；
The fixing device includes the first fixing bracket, the second fixing bracket and crossbeam；Crossbeam is arranged on the cabinet, the crossbeam
Including a limited block chamber, first fixing bracket, the second fixing bracket and crossbeam are relatively fixed；
The shift plate device includes instruction wheel, pin, interlocking plectrum and tension spring；
The rope hauling device includes the first screw rod, drawstring and the second screw rod；
The instruction wheel is connect with cabinet earthed circuit, and pin is fixed in instruction wheel；One end of interlocking plectrum is overlapped on pin, separately
One end is fixed with the first screw rod, and one end of the tension spring is fixed with the first fixing bracket, and the other end is fixed with interlocking plectrum；
First screw rod presses in the upper end of drawstring, and the second screw rod presses in the lower end of drawstring, and is fixed on drawstring fixed plate
On；The drawstring passes through the first fixing bracket and the second fixing bracket；
Interlock includes that drawstring fixed plate, sliding block, the drawstring fixed plate and sliding block are fixed, and the sliding block is solid with limited block
Fixed, the limited block is set in the limited block chamber of the lower section of sliding block, and can be slided in intracavitary, and the length of the sliding block is more than limit
The Opening length of position block chamber, one end and the crossbeam of the second tension spring are fixed, and the other end is fixed with drawstring fixed plate；
The limited block limits the unlatching of cabinet body door by sliding into different location in limited block chamber.
2. three-station interlocking mechanism according to claim 1, which is characterized in that the rope hauling device further includes leading
Pipe, the conduit include allow drawstring by cavity.
3. three-station interlocking mechanism according to claim 2, which is characterized in that the conduit passes through first to fix branch
Frame, the second fixing bracket.
4. three-station interlocking mechanism according to claim 2, which is characterized in that the conduit is arranged along cabinet wall,
The conduit is bent into the shape being adapted with cabinet wall.
5. three-station interlocking mechanism according to claim 1, which is characterized in that the cabinet body door is in limited block chamber
Corresponding position is provided with through-hole, limited block slid into limited block chamber different location and with can not from cabinet body door through-hole by and
Two states can be passed through from through-hole.
6. three-station interlocking mechanism according to claim 1, which is characterized in that first fixing bracket and cabinet
It is fixed.
7. three-station interlocking mechanism according to claim 1, which is characterized in that second fixing bracket and crossbeam
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261502.5A CN106531536B (en) | 2016-12-30 | 2016-12-30 | A kind of three-station interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261502.5A CN106531536B (en) | 2016-12-30 | 2016-12-30 | A kind of three-station interlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106531536A CN106531536A (en) | 2017-03-22 |
| CN106531536B true CN106531536B (en) | 2018-11-09 |
Family
ID=58336330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611261502.5A Active CN106531536B (en) | 2016-12-30 | 2016-12-30 | A kind of three-station interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531536B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402755Y (en) * | 2009-03-27 | 2010-02-10 | 常州市尔悦电力设备有限公司 | Interlocking device |
| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| CN206532734U (en) * | 2016-12-30 | 2017-09-29 | 福建中能电气有限公司 | A kind of three-station interlocking mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5767937B2 (en) * | 2011-10-19 | 2015-08-26 | 新電元工業株式会社 | Interlock structure |
-
2016
- 2016-12-30 CN CN201611261502.5A patent/CN106531536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402755Y (en) * | 2009-03-27 | 2010-02-10 | 常州市尔悦电力设备有限公司 | Interlocking device |
| CN201877339U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Operation mechanism with flexible interlocking device |
| CN206532734U (en) * | 2016-12-30 | 2017-09-29 | 福建中能电气有限公司 | A kind of three-station interlocking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106531536A (en) | 2017-03-22 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Fuqing City, Fuzhou City, Fujian province 350301 economic and Technological Development Zone (Hong Lu Jie Dao Zhou Dian Cun) Applicant after: FUJIAN CEEPOWER CO.,LTD. Address before: Fuqing City, Fuzhou City, Fujian province 350301 economic and Technological Development Zone (Hong Lu Jie Dao Zhou Dian Cun) Applicant before: CEEPOWER (FUQING) CO.,LTD. |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |