CN106409594B - A kind of mechanical locking device for isolation circuit breakers spring mechanism - Google Patents
A kind of mechanical locking device for isolation circuit breakers spring mechanism Download PDFInfo
- Publication number
- CN106409594B CN106409594B CN201610484031.8A CN201610484031A CN106409594B CN 106409594 B CN106409594 B CN 106409594B CN 201610484031 A CN201610484031 A CN 201610484031A CN 106409594 B CN106409594 B CN 106409594B
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- CN
- China
- Prior art keywords
- spacer pin
- connecting rod
- spring mechanism
- transmission mechanism
- transmission
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of mechanical locking devices for isolation circuit breakers spring structure, make the connecting rod of straight reciprocating motion, the transmission mechanism for the spacer pin of limited spring mechanical unlocking device and for driving spacer pin to make straight reciprocating motion including the earthing knife-switch divide-shut brake with breaker, the transmission mechanism is set between the connecting rod and the spacer pin, and the present invention is simple with structure, can prevent maloperation, high reliability.
Description
Technical field
The present invention relates to isolation circuit breakers more particularly to a kind of mechanical latching dresses for isolation circuit breakers spring structure
It sets.
Background technique
The especially novel intelligent isolation circuit breakers of high voltage power transmission and transforming switchgear are usually provided with blocking device, on the one hand
So that breaker can not guarantee that equipment is steady, reliably runs, prevent on-load from drawing normally into work when earthing knife-switch is in "on" position
Disconnecting switch and the electric arc that generates cause short circuit accident, another aspect earthing knife-switch disconnecting link by gravity, wind pressure, vibration, reasonable hit
Or unexpectedly touch under the environmental condition of mechanism, breaker can be made reliably to be parked in open position and keep operating normally.
Existing blocking device, it is easy to operate by mistake that structure is complicated, and when electrical component breaks down, blocking device itself is gone back
It can malfunction, reliability is poor, and there are security risks.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of structure is simple, can prevent from missing
It operates, the mechanical locking device for isolation circuit breakers spring structure of high reliablity.
In order to solve the above technical problems, the invention adopts the following technical scheme: a kind of be used for isolation circuit breakers spring structure
Mechanical locking device, make the connecting rod of straight reciprocating motion including the earthing knife-switch divide-shut brake with breaker, for limited spring machine
The spacer pin of structure buckle releaser and for driving spacer pin to make the transmission mechanism of straight reciprocating motion, the transmission mechanism is set to institute
It states between connecting rod and the spacer pin.
As a further improvement of the above technical scheme:
The transmission mechanism includes transmission gear, the drive rod rotated synchronously with transmission gear and is fixedly arranged on the connecting rod
On trundle, offer waist-shaped hole on the drive rod, the trundle is positioned in the waist-shaped hole, on the spacer pin
Equipped with the rack segments engaged with the transmission gear.
Described drive rod one end is fixedly connected with the transmission gear, and the waist-shaped hole is opened in the drive rod other end.
The gear shaft of the transmission gear is installed on an axle bed, and axle sleeve is equipped between the gear shaft and the axle bed.
The spacer pin is arranged in the bracket of spring mechanism, and the axle bed is fixedly arranged on the bracket of spring mechanism.
The connecting rod arranges that the spacer pin is horizontally disposed vertically.
It further include guide part, described guide part one end offers the pilot hole with spacer pin cooperation, and the other end opens up
There are fastener receptacles.
The guide part is equipped with positioning step and is positioned on the bracket of spring mechanism by positioning step.
Compared with the prior art, the advantages of the present invention are as follows: it is disclosed by the invention for isolation circuit breakers spring structure
The earthing knife-switch of breaker is associated with locking, structure with spring mechanism using connecting rod, transmission device and spacer pin by mechanical locking device
Simply, when breaker is in open position, spacer pin is driven to be inserted into the buckle releaser of spring mechanism if earthing knife-switch is closed a floodgate, open circuit
Device can not be into work, after earthing knife-switch separating brake, and spacer pin then exits buckle releaser, and breaker keeps operating normally, can effectively prevent accidentally grasping
Work and high reliablity.
Detailed description of the invention
Fig. 1 is knot of the present invention for the mechanical locking device of isolation circuit breakers spring structure when earthing knife-switch is in "on" position
Structure schematic diagram.
Structure of the present invention for the mechanical locking device of isolation circuit breakers spring structure when Fig. 2 earthing knife-switch is in gate-dividing state
Schematic diagram.
Each label indicates in figure: 1, connecting rod；2, buckle releaser；3, spacer pin；31, rack segments；4, transmission mechanism；41, it is driven
Gear；42, drive rod；421, waist-shaped hole；43, trundle；44, gear shaft；45, axle bed；46, axle sleeve；5, guide part；51, it leads
Xiang Kong；52, fastener receptacles；53, positioning step；6, bracket.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As depicted in figs. 1 and 2, the mechanical locking device for isolation circuit breakers spring structure of the present embodiment, including with
The earthing knife-switch (not shown) divide-shut brake of breaker and make the connecting rod 1 of straight reciprocating motion, for limited spring mechanical unlocking device 2
Spacer pin 3 and for driving spacer pin 3 to make the transmission mechanism 4 of straight reciprocating motion, transmission mechanism 4 is set to connecting rod 1 and limit
Between the pin 3 of position, this is used for the mechanical locking device of isolation circuit breakers spring structure, utilizes connecting rod 1, transmission mechanism 4 and limit
The earthing knife-switch of breaker is associated with locking with spring mechanism by pin 3, and structure is simple, when breaker is in open position, if earthing knife-switch is closed
Lock then drives spacer pin 3 to be inserted into the buckle releaser 2 of spring mechanism, and breaker can not be into work, and after earthing knife-switch separating brake, spacer pin 3 is then moved back
Buckle releaser 2 out, breaker keep operating normally, and can effectively prevent maloperation and high reliablity.
Transmission mechanism 4 includes transmission gear 41, the drive rod 42 rotated synchronously with transmission gear 41 and is fixedly arranged on connecting rod 1
On trundle 43, offer waist-shaped hole 421 on drive rod 42, trundle 43 is positioned in waist-shaped hole 421, is set on spacer pin 3
There are a rack segments 31 engaged with transmission gear 41, it is 4 stable drive of transmission mechanism, reliable.In the present embodiment, 42 one end of drive rod with
Transmission gear 41 is fixedly connected, and waist-shaped hole 421 is opened in 42 other end of drive rod, is realized between drive rod 42 and transmission gear 41
Move synchronously, between transmission gear 41 and gear shaft 44 using flat key connect, in other embodiments can also be by trundle 43
It is coaxially disposed with gear shaft 44, can also realize moving synchronously between the two.
In the present embodiment, the gear shaft 44 of transmission gear 41 is installed on an axle bed 45, between gear shaft 44 and axle bed 45
Equipped with axle sleeve 46, so that transmission gear 41 goes slick.
In the present embodiment, connecting rod 1 arranges that spacer pin 3 is horizontally disposed vertically, the upper end of connecting rod 1 and the rotation axis (figure of earthing knife-switch
In be not shown) hingedly, trundle 43 is fixedly arranged on 1 lower end of connecting rod.
The mechanical locking device for isolation circuit breakers spring structure of the present embodiment further includes guide part 5, guide part 5 one
End offers the pilot hole 51 cooperated with spacer pin 3, and the movement of spacer pin 3 is more steady, and the other end of guide part 5 offers tightly
Firmware mounting hole 52.
In the present embodiment, guide part 5 is equipped with positioning step 53 and is positioned at the branch of spring mechanism by positioning step 53
On frame 6, spacer pin 3 is arranged in the bracket 6 of spring mechanism, and axle bed 45 is fixedly arranged on the bracket 6 of spring mechanism, using open circuit
The cabinet of device reliably seals guide part 5, spacer pin 3 and transmission mechanism 4, guarantees dust-proof effect.
Working principle of the present invention for the mechanical locking device of isolation circuit breakers spring structure is as follows:
As shown in Fig. 2, when earthing knife-switch does separating brake movement, the rotation axis (not shown) of earthing knife-switch drive connecting rod 1 vertically to
Lower movement, connecting rod 1 drive drive rod 42 to rotate clockwise by trundle 43, and transmission gear 41 and the rotation of drive rod 42 are to band
Dynamic spacer pin 3 moves horizontally to the right, and movement travel is designed as 27mm, and when earthing knife-switch reaches open position, spacer pin 3 is apart from tripping
Device 2 is greater than 5mm, to lift a ban buckle releaser 2；On the contrary as shown in Figure 1, when earthing knife-switch does combined floodgate movement, spacer pin 3 is horizontal to be transported to the left
Dynamic, when earthing knife-switch reaches closing position, spacer pin 3 enters 5mm in the pilot hole 51 of guide part 5 to limit buckle releaser 2.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (1)
1. a kind of mechanical locking device for isolation circuit breakers spring mechanism, it is characterised in that: including the earthing knife-switch with breaker
Divide-shut brake and make straight reciprocating motion connecting rod (1), for limited spring mechanical unlocking device (2) spacer pin (3) and be used for
Spacer pin (3) are driven to make the transmission mechanism (4) of straight reciprocating motion, the rotation axis of connecting rod (1) upper end and earthing knife-switch is hinged, under
End is connected with the transmission mechanism (4), and the transmission mechanism (4) is set between the connecting rod (1) and the spacer pin (3), institute
It states connecting rod (1) and the transmission mechanism (4) is located at outside spring mechanism, described spacer pin (3) one end is located at outside spring mechanism
And be connected with the transmission mechanism (4), the other end protrudes into inside spring mechanism, and the transmission mechanism (4) includes transmission gear
(41), the drive rod (42) rotated synchronously with transmission gear (41) and the trundle (43) being fixedly arranged on the connecting rod (1), institute
It states and is offered on drive rod (42) waist-shaped hole (421), the trundle (43) is positioned in the waist-shaped hole (421), the limit
Position pin (3) is equipped with the rack segments (31) engaged with the transmission gear (41), described drive rod (42) one end and the transmission
Gear (41) is fixedly connected, and the waist-shaped hole (421) is opened in drive rod (42) other end, the gear of the transmission gear (41)
Axis (44) is installed on an axle bed (45), is equipped with axle sleeve (46) between the gear shaft (44) and the axle bed (45), the limit
Position pin (3) is arranged in the bracket (6) of spring mechanism, and the axle bed (45) is fixedly arranged on the bracket (6) of spring mechanism, the company
Bar (1) vertically arrange, it further includes guide part (5) that the spacer pin (3) is horizontally disposed, described guide part (5) one end offer with
The pilot hole (51) of spacer pin (3) cooperation, the other end are offered fastener receptacles (52), are set on the guide part (5)
There is positioning step (53) and is positioned on the bracket (6) of spring mechanism by positioning step (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610484031.8A CN106409594B (en) | 2016-06-28 | 2016-06-28 | A kind of mechanical locking device for isolation circuit breakers spring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610484031.8A CN106409594B (en) | 2016-06-28 | 2016-06-28 | A kind of mechanical locking device for isolation circuit breakers spring mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106409594A CN106409594A (en) | 2017-02-15 |
| CN106409594B true CN106409594B (en) | 2019-06-11 |
Family
ID=58006798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610484031.8A Active CN106409594B (en) | 2016-06-28 | 2016-06-28 | A kind of mechanical locking device for isolation circuit breakers spring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409594B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202307603U (en) * | 2011-11-14 | 2012-07-04 | 青岛天信电气有限公司 | Mine explosion-proof switch door safety locking device |
| CN102684094A (en) * | 2012-05-08 | 2012-09-19 | 宁波欧日力电器制造有限公司 | Interlocking mechanism of low-pressure drawer type switch cabinet |
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN104299815A (en) * | 2013-07-19 | 2015-01-21 | 天地（常州）自动化股份有限公司 | Locking device of mining flameproof and intrinsically-safe multi-loop vacuum electromagnetic starter |
| CN205828250U (en) * | 2016-06-28 | 2016-12-21 | 湖南长高电气有限公司 | A kind of mechanical locking device for isolation circuit breakers spring structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202534578U (en) * | 2012-01-13 | 2012-11-14 | 昆明东控电器成套设备有限公司 | Switch cabinet isolating switch and grounding switch interlocking device |
| CN204966331U (en) * | 2015-07-06 | 2016-01-13 | 吉林瀚丰电气有限公司 | Interlock of high voltage isolator and circuit breaker |
-
2016
- 2016-06-28 CN CN201610484031.8A patent/CN106409594B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202307603U (en) * | 2011-11-14 | 2012-07-04 | 青岛天信电气有限公司 | Mine explosion-proof switch door safety locking device |
| CN102684094A (en) * | 2012-05-08 | 2012-09-19 | 宁波欧日力电器制造有限公司 | Interlocking mechanism of low-pressure drawer type switch cabinet |
| CN202810416U (en) * | 2012-08-24 | 2013-03-20 | 北京双杰电气股份有限公司 | Cable and cabin door interlocking device |
| CN104299815A (en) * | 2013-07-19 | 2015-01-21 | 天地（常州）自动化股份有限公司 | Locking device of mining flameproof and intrinsically-safe multi-loop vacuum electromagnetic starter |
| CN205828250U (en) * | 2016-06-28 | 2016-12-21 | 湖南长高电气有限公司 | A kind of mechanical locking device for isolation circuit breakers spring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106409594A (en) | 2017-02-15 |
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