CN201126767Y - Misoperation-prevention interlocking device for low pressure drawer type switch cabinet - Google Patents
Misoperation-prevention interlocking device for low pressure drawer type switch cabinet Download PDFInfo
- Publication number
- CN201126767Y CN201126767Y CNU2007200768098U CN200720076809U CN201126767Y CN 201126767 Y CN201126767 Y CN 201126767Y CN U2007200768098 U CNU2007200768098 U CN U2007200768098U CN 200720076809 U CN200720076809 U CN 200720076809U CN 201126767 Y CN201126767 Y CN 201126767Y
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- lock pin
- hole
- switch cabinet
- type switch
- inlet wire
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Abstract
An anti-wrong operation interlocking device for low-voltage drawer type switch cabinet, comprising an interlocking control handle, a lever, a push rod, a rotating arm, a rotating shaft, a lock arm, a lock pin, a lock pin support, a lock pin hole, a lead-in plug operation hole, etc; the upper end of the lever is sleeved with the interlocking control handle, the lower end is connected with the push rod, the other end of the push end is connected with the lock pin via the rotating arm, the rotating shaft, the lock arm and a hang pin, the lock pin can move back and forth on the lock pin support; lock pin holes are disposed on the lock pin top, namely sides of the lead-in plug operation hole, when the lead-in plug is completely plugged, the lock pin top can be locked in the lead-in plug operation hole via the lock pin hole. By eliminating disadvantages of existing GEAPLUS 2.0 MCC low-voltage drawer type switch cabinet, the utility model provides an anti-wrong operation interlocking device with simple structure, full function and use convenience, functioning only according to right operation procedure; un-functioning with wrong operation procedures in order to effectively avoid accident.
Description
[technical field]
The utility model relates to power supply unit mesolow switch cubicle incorrect operation preventing interlocking apparatus, specifically, be a kind of incorrect operation preventing interlocking apparatus of low pressure drawer-type switch cabinet, refer in particular to a kind of incorrect operation preventing interlocking apparatus of the GEAPLUS2.0MCC of being exclusively used in low pressure drawer-type switch cabinet.
[background technology]
GEAPLUS 2.0MCC low-tension switch cabinet is a kind of low-tension switch cabinet of import, and in its drawout cubicle, but current supply circuit is mainly by bus independent separate or the inlet wire plug that patches, circuit breaker, constitute with the synchronization-moving outlet plug of drawer, output socket.When the power supply drawer unit is in service position, breaker closing operation, if there is not interlock, be easy to cause the inlet wire plug to separate such misoperation, cause that arc short-circuit has a power failure, and damages the bus of inlet wire plug and grafting thereof.Therefore, be necessary regulation, corresponding anti-misoperation apparatus is set according to the electric equipment safety standard.
At present, the GEAPLUS 2.0MCC low pressure drawer-type switch cabinet on the market prevents that the technical scheme that accident takes place from being mostly: in case when the misoperation of inlet wire plug takes place, with utilizing mild steel rope thimble to touch the release button of circuit breaker, make circuit breaker trip.This is a kind of remedial after misoperation occurring, though the accident that can prevent takes place, can not prevent the generation of misoperation; In addition, this technical scheme is cost with the power failure, can influence normal production operation and causes damage.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, the interlock that provides another kind can prevent to power the drawer unit misoperation for GEAPLUS 2.0MCC low pressure drawer-type switch cabinet.
For realizing above purpose, the technical scheme that the utility model is taked is:
A kind of incorrect operation preventing interlocking apparatus of low pressure drawer-type switch cabinet, contain interlocked control handle, breaker operator bar, overarm brace, it is characterized in that, also comprise connecting lever, push rod, pivoted arm, rotating shaft, hammerlock, lock pin, lock pin support, lockpin hole, advance the plug handle hole, hang pin; The upper end of connecting lever is set with the interlocked control handle by the breaker operator bar, and connecting lever forms a fixed angle that becomes 45 degree each other with the interlocked control handle; The lower end of connecting lever is connected with an end of push rod, the other end of push rod is connected with an end of pivoted arm, the other end of pivoted arm is connected with an end of hammerlock by rotating shaft, the other end of hammerlock is connected with lock pin by hanging pin, be provided with the lock pin support in the centre position of lock pin, the endoporus that lock pin passes on the lock pin support moves back and forth on the lock pin support; In the position on lock pin top, promptly the side of main inlet wire plug handle hole is provided with a lockpin hole, the size of lockpin hole should be enough to lock pin is passed; When the inlet wire plug was in complete plug-in position, the top of lock pin just was locked in the inlet wire plug handle hole by lockpin hole.
Described interlocking connecting lever, pivoted arm, hammerlock are the not cam-like standard component of same-action of isostructure.
Described lock pin is " L " shape structure, and the lock pin of " L " shape is terminal to be connected with hammerlock by hanging pin, and the lock pin top of pin shape is by lockpin hole turnover inlet wire plug handle hole.
The lock pin support that is provided with in the centre position up and down of lock pin has the hole for falling the structure of saddle in the projection on the structure of falling saddle both sides, lock pin is worn and led in the hole.
During operation, clockwise rotate the interlocked control handle of low pressure drawer-type switch cabinet, the interlocked control handle will drive connecting lever and rotate, connecting lever drives push rod, push rod is connected with lock pin with the extension pin by pivoted arm, rotating shaft, hammerlock, lock pin is moved to inlet wire plug handle hole direction on the lock pin support, insert inlet wire plug handle hole up to lockpin ventilating being crossed lockpin hole, and inlet wire plug handle hole pinned fully, the inlet wire plug can't be separated, and this moment, the action bars of circuit breaker operation mechanism was in the position of closing a floodgate fully.
If separate the inlet wire plug, then rotate counterclockwise the interlocked control handle of low pressure drawer-type switch cabinet, the interlocked control handle will drive connecting lever and rotate, connecting lever drives push rod, push rod is connected with lock pin with the extension pin by pivoted arm, rotating shaft, hammerlock, lock pin is moved to the direction that deviates from inlet wire plug handle hole on the lock pin support, after lockpin ventilating is crossed lockpin hole and is withdrawed from from inlet wire plug handle hole fully, circuit breaker, operating mechanism, action bars are in gate-dividing state completely, and can separate the inlet wire plug this moment.When circuit breaker during in the separating brake position, if the inlet wire plug is pegged graft not in place or not at plug-in position, lock pin just can't insert inlet wire plug handle hole, gets back to closing position with regard to the action bars that has stoped circuit breaker operation mechanism like this.
The utility model has remedied the deficiency of existing GEAPLUS 2.0MCC incorrect operation preventing interlocking apparatus for low voltage drawer type switch cabinet, the power interlock of drawer unit misoperation of preventing of being provided has successfully avoided the inlet wire plug to divide in the operating mistake of breaker closing, and when the misoperation of inlet wire plug breaker closing during not at plug-in position, have advantage simple in structure, that function is complete, easy to use, prevented the generation of production accident effectively.
[description of drawings]
Lock pin withdrawed from the structural representation of plug-in position when Fig. 1 was the utility model breaker open operation position;
Lock pin dropped into the structural representation of plug-in position when Fig. 2 was the utility model breaker closing position.
Label among the figure is respectively:
01, interlocked control handle, 02, the breaker operator bar, 1, connecting lever, 2, push rod, 3, pivoted arm, 4, rotating shaft, 5, overarm brace, 6, hammerlock, 7, lock pin, 8, the lock pin support, 9, lockpin hole, 10, advance the plug handle hole, 11, hang pin.
[embodiment]
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
The incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet of the utility model, comprise interlocked control handle 01, breaker operator bar 02, overarm brace 5, and connecting lever 1, push rod 2, pivoted arm 3, rotating shaft 4, hammerlock 6, lock pin 7, lock pin support 8, lockpin hole 9, advance plug handle hole 10, hang pin 11; Interlocked control handle 01 is sleeved in the square hole of connecting lever 1 upper end by square breaker operator bar 02, utilizes the other outstanding pressure strip of square hole to come fastening interlocked control handle 01; Relative displacement does not take place with connecting lever 1 in interlocked control handle 01, forms a fixed angle that becomes 45 degree each other; The lower end of connecting lever 1 is connected with an end of push rod 2, and the other end of push rod 2 is connected with an end of pivoted arm 3, and the other end of pivoted arm 3 is connected with an end of hammerlock 6 by rotating shaft 4, and the other end of hammerlock 6 is connected with lock pin 7 by hanging pin 11; The connecting lever 1 here, pivoted arm 3, hammerlock 6 are the not cam-like standard component of same-action of isostructure, and it is installed on the overarm brace 5 of low pressure drawer-type switch cabinet with push rod 2; Lock pin 7 is " L " shape structure, and the lock pin of " L " is terminal to be connected with hammerlock 6 by hanging pin 11; Centre position up and down at lock pin 7 is provided with lock pin support 8, and lock pin support 8 has the hole for falling the structure of saddle in the projection on saddle structure both sides, and lock pin 7 passes the hole on the lock pin support 8, can move back and forth on lock pin support 8; In the position on lock pin 7 tops, promptly the side of main inlet wire plug handle hole 10 is provided with a lockpin hole 9, the size of lockpin hole 9 should be enough to make lock pin 7 to pass; When the inlet wire plug was in complete plug-in position, the top of lock pin 7 just entered in the inlet wire plug handle hole 10 by lockpin hole 9, blocked inlet wire plug handle hole 5, and inlet wire plug handle hole 5 can't be operated.
When the inlet wire plug when patching the position fully, clockwise rotate the interlocked control handle 01 of low pressure drawer-type switch cabinet, interlocked control handle 01 will drive connecting lever 1 and rotate, connecting lever 1 drives push rod 2, push rod 2 is by pivoted arm 3, rotating shaft 4, hammerlock 6 with hang pin 11 and be connected with lock pin 7, lock pin 7 is moved to inlet wire plug handle hole 10 directions on lock pin support 8, up to lock pin 7 is inserted inlet wire plug handle hole 10 by lockpin hole 9, and inlet wire plug handle hole pinned fully, the inlet wire plug can't be separated, and this moment, the action bars 02 of circuit breaker operation mechanism was in the position of closing a floodgate fully.
If separate the inlet wire plug, then rotate counterclockwise the interlocked control handle 01 of low pressure drawer-type switch cabinet, interlocked control handle 01 will drive connecting lever 1 and rotate, connecting lever 1 drives push rod 2, push rod 2 by pivoted arm 3, rotating shaft 4, hammerlock 6 with hang pin 11 and be connected with lock pin 7, lock pin 7 is moved to the direction that deviates from inlet wire plug handle hole 10 on lock pin support 8, after lock pin 7 withdraws from from inlet wire plug handle hole 10 fully by lockpin hole 9, circuit breaker, operating mechanism, action bars are in gate-dividing state completely, and can separate the inlet wire plug this moment.When circuit breaker during,, so just stoped the action bars 02 of circuit breaker operation mechanism to get back to closing position if the inlet wire plug is pegged graft not in place or not at plug-in position, lock pin 7 just can't insert inlet wire plug handle hole 10 in the separating brake position.
Incorrect operation preventing interlocking apparatus described in the utility model is the incorrect operation preventing interlocking apparatus of metal structure.
Claims (4)
1. the incorrect operation preventing interlocking apparatus of a low pressure drawer-type switch cabinet, contain interlocked control handle (01), breaker operator bar (02), overarm brace (5), it is characterized in that, also comprise connecting lever (1), push rod (2), pivoted arm (3), rotating shaft (4), hammerlock (6), lock pin (7), lock pin support (8), lockpin hole (9), advance plug handle hole (10), hang pin (11); The upper end of connecting lever (1) is set with interlocked control handle (01) by breaker operator bar (02), and connecting lever (1) forms a fixed angle that becomes 45 degree each other with interlocked control handle (01); The lower end of connecting lever (1) is connected with an end of push rod (2), the other end of push rod (2) is connected with an end of pivoted arm (3), the other end of pivoted arm (3) is connected by the end of rotating shaft (4) with hammerlock (6), the other end of hammerlock (6) is connected with lock pin (7) by hanging pin (11), be provided with lock pin support (8) in the centre position of lock pin (7), the endoporus that lock pin (7) passes on the lock pin support (8) moves back and forth on lock pin support (8); In the position on lock pin (7) top, promptly the side of main inlet wire plug handle hole (10) is provided with lockpin hole (9), the size of lockpin hole (9) should be enough to lock pin is passed; When the inlet wire plug was in complete plug-in position, the top of lock pin (7) was locked in the inlet wire plug handle hole (10) by lockpin hole (9).
2. the incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet according to claim 1 is characterized in that, described interlocking connecting lever (1), pivoted arm (3), hammerlock (6) are the not cam-like standard component of same-action of isostructure.
3. the incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet according to claim 1, it is characterized in that, described lock pin (7) is " L " shape structure, the lock pin of " L " shape is terminal to be connected with hammerlock (6) by hanging pin (11), and the lock pin top of pin shape is by lockpin hole (9) turnover inlet wire plug handle hole (10).
4. the incorrect operation preventing interlocking apparatus of a kind of low pressure drawer-type switch cabinet according to claim 1, it is characterized in that, the lock pin support (8) that is provided with in the centre position up and down of lock pin (7) is for falling the structure of saddle, have the hole in the projection on the structure of falling saddle both sides, lock pin (7) is worn and is led in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200768098U CN201126767Y (en) | 2007-10-30 | 2007-10-30 | Misoperation-prevention interlocking device for low pressure drawer type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200768098U CN201126767Y (en) | 2007-10-30 | 2007-10-30 | Misoperation-prevention interlocking device for low pressure drawer type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126767Y true CN201126767Y (en) | 2008-10-01 |
Family
ID=40000234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200768098U Expired - Fee Related CN201126767Y (en) | 2007-10-30 | 2007-10-30 | Misoperation-prevention interlocking device for low pressure drawer type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126767Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474269A (en) * | 2013-09-06 | 2013-12-25 | 吉林省电力有限公司长春供电公司 | 10KV high voltage electric energy measuring cabinet mis-opening prevention locking device |
| CN104576166A (en) * | 2013-10-16 | 2015-04-29 | Ls产电株式会社 | Door interlock device for transformer room of vacuum circuit breaker |
| CN106451113A (en) * | 2016-11-17 | 2017-02-22 | 湖南平高开关有限公司 | Inflatable switch cabinet, and cabinet door locking and unlocking method thereof |
| CN107181193A (en) * | 2017-06-05 | 2017-09-19 | 河南森源电气股份有限公司 | Secondary aviation socket interlock and rack |
-
2007
- 2007-10-30 CN CNU2007200768098U patent/CN201126767Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474269A (en) * | 2013-09-06 | 2013-12-25 | 吉林省电力有限公司长春供电公司 | 10KV high voltage electric energy measuring cabinet mis-opening prevention locking device |
| CN104576166A (en) * | 2013-10-16 | 2015-04-29 | Ls产电株式会社 | Door interlock device for transformer room of vacuum circuit breaker |
| US9732543B2 (en) | 2013-10-16 | 2017-08-15 | Lsis Co., Ltd. | Door interlock device for transformer room of vacuum circuit breaker |
| CN106451113A (en) * | 2016-11-17 | 2017-02-22 | 湖南平高开关有限公司 | Inflatable switch cabinet, and cabinet door locking and unlocking method thereof |
| CN107181193A (en) * | 2017-06-05 | 2017-09-19 | 河南森源电气股份有限公司 | Secondary aviation socket interlock and rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |