CN109559919A - A kind of high-tension switch gear mechanism interlock - Google Patents
A kind of high-tension switch gear mechanism interlock Download PDFInfo
- Publication number
- CN109559919A CN109559919A CN201811543783.2A CN201811543783A CN109559919A CN 109559919 A CN109559919 A CN 109559919A CN 201811543783 A CN201811543783 A CN 201811543783A CN 109559919 A CN109559919 A CN 109559919A
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- CN
- China
- Prior art keywords
- aluminium alloy
- square bar
- interlocking
- alloy square
- switch gear
- 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.)
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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
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Abstract
The present invention relates to a kind of high-tension switch gear mechanism interlocks, including travel switch, interlock fixed plate, guide fixing plate, guide plate, aluminium alloy square bar, grounded barrier, limit the pin that rises, blocking lever, the interlocking fixed plate is fixedly connected with guide fixing plate, travel switch is fixedly mounted in interlocking fixed plate, guide fixing plate is longitudinally equipped with aluminium alloy square bar, it is transversely provided with guide plate, aluminium alloy square bar top is equipped with grounded barrier, middle-end, which is equipped with, limits the pin that rises, rise positioned at grounded barrier and limit and is set with the first interlocking spring between pin, bottom end is equipped with blocking lever, it is arranged with the second interlocking spring on the guide plate and the second interlocking spring is crimped in interlocking fixed plate, the blocking lever is equipped with door lock set, door lock set connection high-tension switch gear Xiamen.The advantages that present invention can effectively prevent mistakenly entering into charged compartment, prevent from accidentally closing earthing switch, meet mechanically and electrically locking and require, while having that design of part is simple, simple installation, low in cost.
Description
Technical field
The present invention relates to technical field of power systems more particularly to a kind of high-tension switch gear mechanism interlocks.
Background technique
High-tension switch gear is widely used important controller switching equipment in electric system, is built in modern power network construction and engineering
If very important effect is played in, the steady operation of equipment is the important leverage of the benign operating of entire electric system, and high pressure
Switchgear " interlocking " is the safe operation for guaranteeing power network, it is ensured that the person and equipment safety prevent the important measures of maloperation,
GB3906-2006 " 3.6kV-40.5kV ac metal closing switch gear and control equipment " makes explicit provisions to this, " connection
Lock " description are as follows: prevent mistake point, falsely close circuit breaker；It prevents on-load point, close disconnecting switch；It prevents from band cable address (conjunction) from connecting wires (to connect
Ground switch)；Prevent (switch) with ground from closing a floodgate；Mistakenly entering into charged is prevented to be isolated, above-mentioned five prevent the content of electric misoperation, letter
Claim " five is anti-"；" five is anti-" device generally can be divided into mechanical, electrical and comprehensive three classes, currently, high-tension switch gear in the market is all
There is fairly perfect interlock method, but still has the especially mechanical lower gate interlock of many interlockings incomplete, longtime running reliability
It is to be improved.
Operating mechanism used in high-tension switch gear, common matched lower gate interlock is dragline type or split type, pull rope mechanism
For drawstring nylon material, because field of employment is likely to be at high/low temperature and changes bigger area, long-play drawstring is had
Aging phenomenon, both ends coupling compression joint is not firm to be loosened, and can all lead to Xiamen interlock fault；It door interlock and is connect under split type mechanism
Ground interlock needs two joining beams to realize functional requirement, and structure is complicated, and erroneous for installation, production cost is higher, and existing
Lower door interlocking mechanism is not easy to adjust for the made Xiamen height of different user, causes design use scope smaller, therefore, Wo Menti
A kind of SF6 all-insulated ring network cabinet lower door interlocking mechanism is gone out for solving the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of high-tension switch gear mechanism interlocks, it is intended to solve it is existing it is matched under
The aging phenomenon and adopt a split structure complexity that gate interlock is occurred using dragline type long-play drawstring, it is erroneous for installation
Problem.
To achieve the above object, technology of the invention is as follows:
A kind of high-tension switch gear mechanism interlock, including travel switch, interlocking fixed plate, guide fixing plate, guide plate, aluminium
Alloy square bar, grounded barrier, limit rise pin, blocking lever, and the interlocking fixed plate is fixedly connected with guide fixing plate, travel switch
It is fixedly mounted in interlocking fixed plate, guide fixing plate is longitudinally equipped with aluminium alloy square bar, is transversely provided with guide plate, the aluminium alloy
Square bar top is equipped with grounded barrier, and middle-end is equipped with limit and rises pin, rises positioned at grounded barrier and limit and is set with first between pin
Spring is locked, bottom end is equipped with blocking lever, is arranged with the second interlocking spring on the guide plate and the second interlocking spring is crimped on interlocking
In fixed plate, the blocking lever is equipped with door lock set, door lock set connection high-tension switch gear Xiamen.
In above scheme, the door lock set is located at the end of blocking lever, and door lock set upper and lower position is respectively arranged with adjusting nut,
For adjusting the positional relationship of door lock set and high-tension switch gear Xiamen.
In above scheme, the aluminium alloy square bar is equipped with the limiting slot of restricted guidance plate side-to-side movement.
In above scheme, the aluminium alloy square bar can be moved up and down, and when aluminium alloy square bar downlink, grounded barrier is transported downwards
Dynamic mutually to suppress with travel switch contact, when aluminium alloy square bar uplink, grounded barrier is moved upwards and travel switch contact phase point
From.
High-tension switch gear mechanism interlock of the invention, on the basis of guaranteeing that original operating mechanism main body is constant,
Change lower door interlocking mechanism, and merges and be mounted on operating mechanism, meanwhile, using rigid structure, keep movement relation directly accurate,
Guarantee the reliable of lower gate interlock movement for a long time, guide plate releases the limitation to aluminium alloy square bar, aluminium alloy after Slideslip to the left
Square bar can move up and down, while limiting the pin that rises and limiting the movement travel of aluminium alloy square bar, and door lock set upper and lower position respectively fills
Equipped with adjusting nut, can according to Xiamen practical set position, lock tube is adjusted on the door, the height for conveniently adapting to various positions presses off
Equipment Xiamen is closed, the present invention can prevent mistakenly entering into charged isolation, prevent from accidentally closing earthing switch, and design of part is simple, simple installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention high-voltage switch equipment mechanism interlock；
Structural representation when Fig. 2 is the aluminium alloy square bar uplink of one embodiment of the invention high-voltage switch equipment mechanism interlock
Figure；
Description of symbols: 1, fixed plate, 2, latching electromagnet, 3, travel switch, 4, grounded barrier, 5, aluminum alloy square are interlocked
Bar, the 6, first interlocking spring, the 7, second interlocking spring, 8, guide fixing plate, 9, guiding version, 10, limit rise pin, 11, blocking lever,
12, door lock set, 13, adjusting nut.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and examples.
Such as Fig. 1, a kind of high-tension switch gear mechanism interlock of the invention, including travel switch 3, interlocking fixed plate 1,
Latching electromagnet 2, guide plate 9, aluminium alloy square bar 5, grounded barrier 4, limits rise pin 10 and blocking lever 11 at guide fixing plate 8.Its
In, travel switch 3 and latching electromagnet 2 are fixedly mounted in interlocking fixed plate 1, and interlocking fixed plate 1 and guide fixing plate 8 are fixed
Connection, guide fixing plate 8 is longitudinal to be equipped with aluminium alloy square bar 5, is transversely provided with guide plate 9, and aluminium alloy square bar 5 is equipped with restricted guidance
The limiting slot of 9 side-to-side movement of plate.5 upper end of aluminium alloy square bar is equipped with grounded barrier 4, is set with first below grounded barrier 4
Interlocking spring 6, middle-end, which is equipped with, limits the pin 10 that rises, and lower end is equipped with blocking lever 11.Be arranged on guide plate 9 second interlocking spring 7 and
Second interlocking spring 7 is crimped in interlocking fixed plate 1.The lower end of blocking lever 11 is equipped with door lock set 12, and the next on door lock set 12
It sets and is respectively arranged with adjusting nut 13.Blocking lever 11, which moves up and down, may be implemented the lower gate interlock and ground connection interlocking function of high-tension switch gear
Can, guide plate 9 releases the limitation to aluminium alloy square bar 5 after Slideslip to the left, and aluminium alloy square bar 5 can move up and down, and aluminium alloy
When 5 downlink of square bar, grounded barrier 4 suppresses 3 contact of travel switch, when aluminium alloy 5 uplink of square bar, 3 contact of travel switch
It is released, while limiting the pin 10 that rises and the movement travel of aluminium alloy square bar 5 is limited.Latching electromagnet 2 is for preventing from charging
State operational grounding switch.
In one embodiment, adjusting nut 13 is unscrewed according to high-tension switch gear Xiamen physical location such as Fig. 2, adjusts door
The position of lock tube 12, when the Xiamen position of door lock set 12 and high-tension switch gear matches, fastening adjustment nut 13 is completed to adjust
Section, is applicable in the high-tension switch gear Xiamen of various positions, when high-tension switch gear Xiamen is not linked into door lock set 12, the first interlocking
6 restoring force of spring moves upwards grounded barrier 4, while aluminium alloy square bar 5 and blocking lever 11 being driven to move upwards, and limits the pin that rises
The uplink of 10 pairs of aluminium alloy square bars 5 limits, and prevents overtravel, and 3 contact of travel switch is not grounded the compacting of baffle 4 at this time,
Contact release, electric loop are in unaccessed state；Grounded barrier 4 is in upper limit simultaneously, and earthing switch can not operate, and ensures
Personal safety.
When high-tension switch gear Xiamen is linked into door lock set 12, Xiamen self weight drives blocking lever 11 to move, the side of enabling aluminum alloy to
Bar 5 and grounded barrier 4 move downward, grounded barrier 4 to 3 contact of travel switch suppress, electrical contact connect, make electric loop into
Enter preparation state, and limit the pin 10 that rises and the downlink of aluminium alloy square bar 5 is limited, prevents overtravel, high-voltage switch gear is set at this time
It is standby to enter preparation state, grounding switch tripping function may be implemented.
In one embodiment, after the completion of grounding switch tripping operation, 9 pressure of guide plate is released, the second interlocking spring 7
Since spring-return power moves right guide plate 9, while 9 protrusion of guide plate slides into the limiting slot of aluminium alloy square bar 5, makes height
Voltage switching station Xiamen can not be raised, and Xiamen is in blocking, can carry out on-load switch and earthing switch division behaviour at this time
Make.When earthing switch carries out closing operation, guide plate 9 slides to the left, and 9 protrusion of guide plate skids off the limit of aluminium alloy square bar 5
Slot, high-tension switch gear Xiamen is lifted at this time, and the spring-return power of the first interlocking spring 6 moves upwards grounded barrier 4, together
When drive aluminium alloy square bar 5 and blocking lever 11 to move upwards, the limit pin 10 that rises limits the uplink of aluminium alloy square bar 5, prevents
Only overtravel, 3 contact of travel switch is not grounded the compacting of baffle 4, contact release at this time, and electric loop is in unaccessed state,
On-load switch can not carry out closing operation, while grounded barrier 4 is in upper limit, and earthing switch can not operate, and ensure the person
Safety, meet five anti-interlocks, and high-tension switch gear ground connection interlocking and lower gate interlock pass through blocking lever 11 up and down
Movement is achieved.
High-tension switch gear mechanism interlock of the invention, on the basis of guaranteeing that original operating mechanism main body is constant,
Change lower door interlocking mechanism, and merge and be mounted on operating mechanism, mistakenly entering into charged compartment can be effectively prevent, prevented with missing splice grafting
Switch meets mechanically and electrically locking and requires.Meanwhile using rigid structure, keep movement relation directly accurate, guarantees lower gate interlock
The advantages that reliability of movement for a long time has design of part simple, simple installation, low in cost.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that the foregoing is merely a specific embodiment of the invention, the guarantor that is not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all be contained in this hair
Within bright protection scope.
Claims (5)
1. a kind of high-tension switch gear mechanism interlock, it is characterised in that: including travel switch (3), interlocking fixed plate (1),
Guide fixing plate (8), aluminium alloy square bar (5), grounded barrier (4), limits rise pin (10), blocking lever (11), institute at guide plate (9)
Interlocking fixed plate (1) to be stated to be fixedly connected with guide fixing plate (8), travel switch (3) is fixedly mounted in interlocking fixed plate (1),
Guide fixing plate (8) is longitudinally equipped with aluminium alloy square bar (5), is transversely provided with guide plate (9), aluminium alloy square bar (5) top is set
Have grounded barrier (4), middle-end is equipped with limit and rises pin (10), is located at grounded barrier (4) and limit and rises and is set with the between pin (10)
One interlocking spring (6), bottom end are equipped with blocking lever (11), are arranged with the second interlocking spring (7) and second on the guide plate (9)
Lock spring (7) is crimped in interlocking fixed plate (1), and the blocking lever (11) is equipped with door lock set (12), door lock set (12) connection
High-tension switch gear Xiamen.
2. high-tension switch gear mechanism according to claim 1 interlock, it is characterised in that: door lock set (12) position
In the end of blocking lever (11), and door lock set (12) upper and lower position is respectively arranged with adjusting nut (13), for adjusting door lock set (12)
With the positional relationship of high-tension switch gear Xiamen.
3. high-tension switch gear mechanism according to claim 1 interlock, it is characterised in that: the aluminium alloy square bar
(5) it is equipped with the limiting slot of restricted guidance plate (9) side-to-side movement.
4. high-tension switch gear mechanism according to claim 1 interlock, it is characterised in that: the aluminium alloy square bar
(5) it can move up and down, when aluminium alloy square bar (5) downlink, grounded barrier (4) is moved downward mutually presses with travel switch (3) contact
System, when aluminium alloy square bar (5) uplink, grounded barrier (4) is moved upwards mutually to be separated with travel switch (3) contact.
5. high-tension switch gear mechanism according to claim 1 interlock, it is characterised in that: the interlocking fixed plate
(1) latching electromagnet (2) are also equipped on, for preventing electriferous state operational grounding from switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543783.2A CN109559919A (en) | 2018-12-17 | 2018-12-17 | A kind of high-tension switch gear mechanism interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543783.2A CN109559919A (en) | 2018-12-17 | 2018-12-17 | A kind of high-tension switch gear mechanism interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109559919A true CN109559919A (en) | 2019-04-02 |
Family
ID=65870234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543783.2A Pending CN109559919A (en) | 2018-12-17 | 2018-12-17 | A kind of high-tension switch gear mechanism interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109559919A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247698Y (en) * | 2008-08-19 | 2009-05-27 | 汕头正超电气集团有限公司 | Grounding switch and cable house door closedown structure of switch cabinet |
| CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102881486A (en) * | 2012-10-17 | 2013-01-16 | 博耳(无锡)电力成套有限公司 | Interlocking mechanism of medium pressure switchgear |
| CN105914062A (en) * | 2016-06-17 | 2016-08-31 | 江苏电科电气设备有限公司 | Ring main unit mechanical locking system |
| CN106505459A (en) * | 2016-11-07 | 2017-03-15 | 江苏大烨智能电气股份有限公司 | A kind of SF6 all-insulated ring network cabinets lower door interlocking mechanism |
| CN107293427A (en) * | 2017-08-09 | 2017-10-24 | 华仪电气股份有限公司 | A kind of interlock of earthed switch and front/rear door |
| CN207367814U (en) * | 2017-09-08 | 2018-05-15 | 双盈电气技术有限公司 | Rigid interlocking mechanism |
-
2018
- 2018-12-17 CN CN201811543783.2A patent/CN109559919A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247698Y (en) * | 2008-08-19 | 2009-05-27 | 汕头正超电气集团有限公司 | Grounding switch and cable house door closedown structure of switch cabinet |
| CN201498907U (en) * | 2009-08-13 | 2010-06-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102881486A (en) * | 2012-10-17 | 2013-01-16 | 博耳(无锡)电力成套有限公司 | Interlocking mechanism of medium pressure switchgear |
| CN105914062A (en) * | 2016-06-17 | 2016-08-31 | 江苏电科电气设备有限公司 | Ring main unit mechanical locking system |
| CN106505459A (en) * | 2016-11-07 | 2017-03-15 | 江苏大烨智能电气股份有限公司 | A kind of SF6 all-insulated ring network cabinets lower door interlocking mechanism |
| CN107293427A (en) * | 2017-08-09 | 2017-10-24 | 华仪电气股份有限公司 | A kind of interlock of earthed switch and front/rear door |
| CN207367814U (en) * | 2017-09-08 | 2018-05-15 | 双盈电气技术有限公司 | Rigid interlocking mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190402 |