CN108807038A - A kind of lower door interlocking mechanism - Google Patents
A kind of lower door interlocking mechanism Download PDFInfo
- Publication number
- CN108807038A CN108807038A CN201810685472.3A CN201810685472A CN108807038A CN 108807038 A CN108807038 A CN 108807038A CN 201810685472 A CN201810685472 A CN 201810685472A CN 108807038 A CN108807038 A CN 108807038A
- Authority
- CN
- China
- Prior art keywords
- plate
- front lower
- pin
- lower maintenance
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of lower door interlocking mechanisms, belong to electricapparatus interlock technical field.It is provided with pin in the middle part of the front lower maintenance door, it is provided with bent plate above front lower maintenance door, it is provided with pin rod on the left of the front lower maintenance door, and the first compression spring is provided on pin rod, the pin rod is connect with pressing plate, it is provided with interlock plate below the pressing plate, it is provided with tack plate on the left of the pin rod, and the second compression spring is provided on tack plate, it is provided with auxiliary switch on the left of the tack plate, increase anti-seco lock function between the division of earthing switch in closing for preceding Xiamen, improved preceding lower door interlocking mechanism will not generation position deviation do not correspond to cause failure interlock, to just solve be not related to front lower maintenance room again in the case of earthing switch can not divide earthing switch, it closes a floodgate power transmission to which circuit breaker cart can not be just shaken from testing position to operating position, just solve get shocked Deng accident potential.
Description
Technical field
The present invention relates to a kind of lower door interlocking mechanisms, belong to electricapparatus interlock technical field.
Background technology
Existing lower door interlocking mechanism schematic diagram is as shown in Figure 1：The step of power transmission is：It closes back door, close preceding Xiamen b, tap
Ground switchs.Circuit breaker cart is shaken to operating position, combined floodgate power transmission.When dividing earthing switch, rotate in earthing switch operating shaft
Cam makes axis pin d lock the hyoplastron c on preceding Xiamen b.Do not open preceding Xiamen b at this time, may be implemented that operating personnel is prevented to be strayed into band
Electricity interval.
The step of interruption maintenance is：Separating brake powers off, and circuit breaker cart is shaken testing position, close earthing switch, open it is front lower
Door b, rear Xiamen is opened.When closing earthing switch, axis pin d is pressed downward by the cam rotated in earthing switch operating shaft, is made on axis pin d
Thin neck groove is located at the positions hyoplastron c, and hyoplastron c can disengage axis pin d grooves.Preceding Xiamen b can be opened at this time.
When normal operating, the security protection requirement of preceding Xiamen maintenance room may be implemented in this interlocking.It is preceding when breaker closing
Lower maintenance room electrification, earthing switch cannot close a floodgate, and preceding Xiamen b cannot be opened, and can prevent the front lower inspection of operating personnel's mistakenly entering into charged
Room is repaiied, earthing switch can only be closed after breaker open operation, i.e., front lower maintenance room could open preceding Xiamen when not charged.
At improper (as debugged or repairing), preceding Xiamen b forgets that closing, earthing switch can also be divided after opening
Lock operates, and at this moment divides earthing switch breaker can be shaken to operating position and closes a floodgate power transmission, operating personnel's power transmission, due to front lower
It is not turned off, personnel easily enter the front lower room of electrification, into being easy to cause safety accident, this improved front lower couplet on the door lock machine
Structure existing severe compromise in design.
This mechanism cannot open preceding Xiamen when only considering that front lower room is charged in design, and when having ignored preceding Xiamen and opening
Front lower room electrification, so that leaving security risk, earthing switch may also be divided by being not related to the Xiamen b that goes forward, and later shake circuit breaker cart
It closes a floodgate power transmission to operating position, just cannot be satisfied the front lower maintenance room for preventing staff's mistakenly entering into charged, thus may cause work
The accidents such as make the front lower maintenance room of personnel's mistakenly entering into charged, and then get shocked.
Lower gate interlock hyoplastron c is connect by two M6 external hexagonal screws a with door-plate, in actual installation practice and in-site installation
In the process, hyoplastron c may horizontal or downward shift, cause hyoplastron c and axis pin d grooves position not corresponding, it is this to make
Interlock cause failure interlock, caused by consequence be：The expense after sale of metal plate manufacturing firm is increased, if processing is not
In time, serious security risk can also be left.
Invention content
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of lower door interlocking mechanisms.
The lower door interlocking mechanism of the present invention, it includes bent plate, the first compression spring, pin rod, pressing plate, pin, front lower maintenance door, connection
Jam plate, tack plate, the second compression spring, auxiliary switch, stay rod pin and the big axis of operation, front lower maintenance door middle part are provided with pin
Nail, front lower maintenance door top are provided with bent plate, are provided with pin rod on the left of the front lower maintenance door, and be provided with first on pin rod
Compression spring, the pin rod are connect with pressing plate, and interlock plate is provided with below the pressing plate, tack is provided on the left of the pin rod
Plate, and the second compression spring is provided on tack plate, auxiliary switch, and setting above auxiliary switch are provided on the left of the tack plate
There is stay rod pin, the big axis of operation is provided with above the stay rod pin.
Beneficial effects of the present invention：Its structure is simple, reasonable design, the division closed with earthing switch in preceding Xiamen
Between increase anti-seco lock function, improved preceding lower door interlocking mechanism will not generation position deviation do not correspond to failure caused to join
Lock function, to just solve be not related to front lower maintenance room again in the case of earthing switch can not divide earthing switch, thus breaker
Handcart can not just shake to operating position from testing position and close a floodgate power transmission, just solve get shocked Deng accident potential.
Description of the drawings
The present invention is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is existing lower door interlocking mechanism schematic diagram；
Fig. 2 is the structural schematic diagram of the present invention.
Reference numeral：Bent plate 1, the first compression spring 2, pin rod 3, pressing plate 4, pin 5, front lower maintenance door 6, interlock plate 7, tack plate
8, the second compression spring 9, auxiliary switch 10, stay rod pin 11, the big axis of operation 12.
Specific implementation mode
As shown in Fig. 2, present embodiment uses following technical scheme：It include bent plate 1, the first compression spring 2, pin rod 3,
Pressing plate 4, pin 5, front lower maintenance door 6, interlock plate 7, tack plate 8, the second compression spring 9, auxiliary switch 10, stay rod pin 11 and operation are big
Axis 12,6 middle part of front lower maintenance door are provided with pin 5, and 6 top of front lower maintenance door is provided with bent plate 1, the front lower inspection
It repaiies 6 left side of door and is provided with pin rod 3, and be provided with the first compression spring 2 on pin rod 3, the pin rod 3 is connect with pressing plate 4, the pressure
4 lower section of plate is provided with interlock plate 7, and 3 left side of pin rod is provided with tack plate 8, and the second compression spring 9 is provided on tack plate 8,
8 left side of tack plate is provided with auxiliary switch 10, and 10 top of auxiliary switch is provided with stay rod pin 11, the stay rod pin
11 tops, which are provided with, operates big axis 12.
Operation principle：When power transmission operates, only front lower maintenance door 6 does closing motion, door upper bracket push it is flexible to the left
Mobile, bent plate 1 can just move downward, and can push away the big axis of insertion operation 12 with operation handle at this time and be rotated by 90 ° counterclockwise；Point
Earthing switch, cam also and then operate big axis 12 and are rotated by 90 °, and tack plate 8 moves up to hook under the action of pressing spring power
Firmly front lower maintenance door 6.Earthing switch is in open position at this time, can be hooked on power transmission, front lower maintenance door 6, and effectively real
Now prevent personnel's mistakenly entering charged chamber, that is to say, that only first shut front lower maintenance door 6, earthing switch, handcart ability could be divided
It is shaken from testing position to operating position and carries out power transmission operation.
If not closing front lower maintenance room door 6 or forgetting to close front lower maintenance door 6, door upper bracket cannot push telescopic shaft, curved
Plate 1, which is lockable, to be moved down, and to which earthing switch cannot be divided to carry out follow-up power transmission operation, which achieves reverse interlocking work(
Energy.
When interruption maintenance operates, breaker open operation shakes testing position, is rotated clockwise with operation handle and operates big axis 12
90 °, cam is and then rotated by 90 °, and cam flattens head rod and moves down under the effect of the pressure, and hook plate and then moves, on hook plate
It is hooked into and is detached from preceding Xiamen, front lower maintenance door 6 can be opened at this time.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of lower door interlocking mechanism, it is characterised in that：It include bent plate (1), the first compression spring (2), pin rod (3), pressing plate (4),
Pin (5), front lower maintenance door (6), interlock plate (7), tack plate (8), the second compression spring (9), auxiliary switch (10), stay rod pin (11)
With the big axis (12) of operation, the front lower maintenance door (6) middle part is provided with pin (5), is provided with above front lower maintenance door (6) curved
Plate (1), the front lower maintenance door (6) left side is provided with pin rod (3), and the first compression spring (2) is provided on pin rod (3), described
Pin rod (3) connect with pressing plate (4), be provided with interlock plate (7) below the pressing plate (4), setting on the left of the pin rod (3)
There is tack plate (8), and be provided with the second compression spring (9) on tack plate (8), auxiliary switch is provided on the left of the tack plate (8)
(10), it and above auxiliary switch (10) is provided with stay rod pin (11), the big axis of operation is provided with above the stay rod pin (11)
(12)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685472.3A CN108807038A (en) | 2018-06-28 | 2018-06-28 | A kind of lower door interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685472.3A CN108807038A (en) | 2018-06-28 | 2018-06-28 | A kind of lower door interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108807038A true CN108807038A (en) | 2018-11-13 |
Family
ID=64071288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810685472.3A Pending CN108807038A (en) | 2018-06-28 | 2018-06-28 | A kind of lower door interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108807038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117200064A (en) * | 2023-09-12 | 2023-12-08 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202888050U (en) * | 2012-10-12 | 2013-04-17 | 川开电气股份有限公司 | Lower door interlocking mechanism for centrally-mounted switch device |
| CN103227062A (en) * | 2013-04-23 | 2013-07-31 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet |
| CN103247467A (en) * | 2013-04-06 | 2013-08-14 | 广东南粤电气有限公司 | Interlocking mechanism and interlocking control method for lower door of high-tension switch cabinet and earthing switch |
| CN205282903U (en) * | 2015-12-14 | 2016-06-01 | 吉林瀚丰电气有限公司 | High -voltage board door interlock |
-
2018
- 2018-06-28 CN CN201810685472.3A patent/CN108807038A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202888050U (en) * | 2012-10-12 | 2013-04-17 | 川开电气股份有限公司 | Lower door interlocking mechanism for centrally-mounted switch device |
| 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 |
| CN103247467A (en) * | 2013-04-06 | 2013-08-14 | 广东南粤电气有限公司 | Interlocking mechanism and interlocking control method for lower door of high-tension switch cabinet and earthing switch |
| CN103227062A (en) * | 2013-04-23 | 2013-07-31 | 镇江大全伊顿电器有限公司 | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet |
| CN205282903U (en) * | 2015-12-14 | 2016-06-01 | 吉林瀚丰电气有限公司 | High -voltage board door interlock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117200064A (en) * | 2023-09-12 | 2023-12-08 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
| CN117200064B (en) * | 2023-09-12 | 2024-03-15 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |
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| WD01 | Invention patent application deemed withdrawn after publication |