CN204289164U - The reverse locking device of the earthed switch of high-tension switch cabinet and back door - Google Patents
The reverse locking device of the earthed switch of high-tension switch cabinet and back door Download PDFInfo
- Publication number
- CN204289164U CN204289164U CN201420842719.5U CN201420842719U CN204289164U CN 204289164 U CN204289164 U CN 204289164U CN 201420842719 U CN201420842719 U CN 201420842719U CN 204289164 U CN204289164 U CN 204289164U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- back door
- axle
- earthed switch
- connecting lever
- 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.)
- Expired - Fee Related
Links
- 239000000284 extract Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
The utility model is a kind of reverse locking device of earthed switch and back door of high-tension switch cabinet, comprise: back door of high-tension switch cubicle, cabinet and arrange by the earthed switch operating axis of bevel gear group transmission on cabinet, it is characterized in that, mounting angle plate on back door of high-tension switch cubicle, axle is contained in axle bed fixing on cabinet, block is fixed on the left end of axle, torsion spring is fixed on axle by light-duty straight trough elastic cylindrical pin, the first connecting lever that shaft end is fixed and the left end of connecting rod hinged, the right-hand member of connecting rod and the left end of the second connecting lever hinged, second connecting lever is hinged on locating shaft fixing on cabinet, right-hand member and the lock pin of the second connecting lever are hinged, lock pin is placed in the fixing bearing of cabinet, lock pin inserts in the lockhole on earthed switch operating axis, or extract from the lockhole earthed switch operating axis.Have structure simple, simple to operate, requisite space is little, and reliability is high, Maintenance free, achieves and prevents personnel's mistakenly entering charged chamber, guarantee safety.
Description
Technical field
The utility model relates to high-tension switch cabinet, specifically, is a kind of reverse locking device of earthed switch and back door of high-tension switch cabinet.
Background technology
Along with the development of switchgear assembly industry, 35kV high voltage switchgear is used widely, and wherein KYN61-40.5 series removal type high-voltage cabinet switch cubicle is mainly used in the change distribution of power plant, power transformation industrial and mining enterprises, skyscraper in one's power." interlocking " of high-tension switch cabinet is the important measures ensureing power network safe operation, guarantee equipment and personal safety, prevent misoperation.Standard GB/T 3906--1991 " 3 ~ 35 KV alternating-current metal closed switchgears) this is made explicit provisions.Pay the utmost attention to mechanical interlocking, the interlocking at usual earthed switch and back door when designing, after needing the earthed switch in switch cubicle closed, back door just can be opened, and overhauls; After back door is closed, earthed switch just can be opened, and back door is locked, and can not open.The complex structure of the interlock at existing earthed switch and back door, takes up room large, and operation inconvenience, reliability is poor.
Summary of the invention
It is to be solved in the utility model: after switch cubicle completes maintenance, only have and back door is closed, just earthed switch can be opened, closing back door just cannot operational grounding switch, prevents personnel's mistakenly entering charged chamber, guarantees safety, structure is simple, simple to operate, requisite space is little, the reverse locking device of the earthed switch of the high-tension switch cabinet that reliability is high and back door.
Solving the technical scheme that its technical problem adopts is: the reverse locking device of a kind of earthed switch of high-tension switch cabinet and back door, it comprises: back door of high-tension switch cubicle, cabinet and arrange by the earthed switch operating axis of bevel gear group transmission on cabinet, it is characterized in that, mounting angle plate on back door of high-tension switch cubicle, axle is contained in axle bed fixing on cabinet, block is fixed on the left end of axle, torsion spring is fixed on axle by light-duty straight trough elastic cylindrical pin, the first connecting lever that shaft end is fixed and the left end of connecting rod hinged, the right-hand member of connecting rod and the left end of the second connecting lever hinged, second connecting lever is hinged on locating shaft fixing on cabinet, right-hand member and the lock pin of the second connecting lever are hinged, lock pin is placed in the fixing bearing of cabinet, lock pin inserts in the lockhole on earthed switch operating axis, or extract from the lockhole earthed switch operating axis.
The reverse locking device of the earthed switch of high-tension switch cabinet of the present utility model and back door, during use, after back door of high-tension switch cubicle is opened, bent plate on back door of high-tension switch cubicle and block are thrown off, the active force making block bring axle disappears, axle rotates at the clockwise under influence of torsion spring, first connecting lever of shaft end also rotates clockwise, the second hinged connecting lever of dead axle is driven to rotate clockwise by connecting rod, realize lock pin to move down, insert in the lockhole on earthed switch operating axis, limit the rotation of earthed switch operating axis, thus control the operation of earthed switch; If open earthed switch, need to shut back door of high-tension switch cubicle, then action is contrary, block is rotated counterclockwise under the effect of bent plate, lead agency is done and contrary counter motion of opening the door, lock pin moves upward, extract from the lockhole earthed switch operating axis, earthed switch operating axis lifts restrictions, can operational grounding switch.Have structure simple, simple to operate, requisite space is little, and reliability is high, Maintenance free, achieves and prevents personnel's mistakenly entering charged chamber, guarantee safety.
Accompanying drawing explanation
Fig. 1 is the earthed switch and back door reverse locking device schematic front view (earthed switch open mode) of high-tension switch cabinet;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the earthed switch and back door reverse locking device schematic front view (earthed switch closure state) of high-tension switch cabinet.
In figure: 1 bent plate, 2 blocks, 3 axle beds, 4 axles, 5 torsion springs, 6 light-duty straight trough elastic cylindrical pins, 7 first connecting levers, 8 bearing pins, 9 lock pins, 10 bearings, 11 locating shafts, 12 bearing pins, 13 earthed switch operating axis, 14 bevel gear groups, 15 connecting rods, 16 second connecting levers, 17 back door of high-tension switch cubicles, 18 cabinets.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1-Fig. 3, the reverse locking device of the earthed switch of high-tension switch cabinet of the present utility model and back door, comprise: back door of high-tension switch cubicle 17, cabinet 18 and arrange by the earthed switch operating axis 13 of bevel gear group 14 transmission on cabinet 18, mounting angle plate 1 on back door of high-tension switch cubicle 17, axle 4 is contained in axle bed 3 fixing on cabinet 18, block 2 is fixed on the left end of axle 4, and torsion spring 5 is fixed on axle 4 by light-duty straight trough elastic cylindrical pin 6; First connecting lever 7 of axle 4 end winding support is hinged by bearing pin 8 with the left end of connecting rod 15, the right-hand member of connecting rod 15 is hinged by the left end of bearing pin 8 and the second connecting lever 16, second connecting lever 16 is hinged on locating shaft 11 fixing on cabinet 18, the right-hand member of the second connecting lever 16 is hinged by bearing pin 12 and lock pin 9, lock pin 9 is placed in the fixing bearing 10 of cabinet 18, lock pin 9 inserts in the lockhole on earthed switch operating axis 13, or extracts from the lockhole earthed switch operating axis 13.
With reference to Fig. 3, when high-tension switch cabinet needs maintenance, earthed switch is in closure state, now back door of high-tension switch cubicle 17 is opened, the bent plate 1 be fixed on back door of high-tension switch cubicle 17 eliminates the active force to block 2 along with opening of back door of high-tension switch cubicle 17, axle 4 rotates at the clockwise under influence of torsion spring 5, and the first connecting lever 7 rotates clockwise along with the rotation of axle 4; The linkage be made up of the first connecting lever 7, connecting rod 15 and the second connecting lever 16 also rotates clockwise because the first connecting lever 7 rotates clockwise drive second connecting lever 16, band pendulum lock pin 9 moves downward, insert in the lockhole of earthed switch operating axis 13, earthed switch operating axis 13 can not rotate.Maintainer can work in high-tension switch cabinet.
See figures.1.and.2, when maintenance of high-voltage switch cabinet completes, when needing earthed switch to open, first need to close back door of high-tension switch cubicle 17, the bent plate 1 be fixed on back door of high-tension switch cubicle 17 promotes block 1 under external force and rotates counterclockwise, and now external force is greater than the torsion of torsion spring 5; Axle 4 is also rotated counterclockwise under the drive of block 2, and the first connecting lever 7 is also rotated counterclockwise because of the rotation of axle 4; The linkage be made up of the first connecting lever 7, connecting rod 15 and the second connecting lever 16 also rotates counterclockwise because the first connecting lever 7 rotates counterclockwise drive second connecting lever 16, band pendulum lock pin 9 moves upward, extract from the lockhole of earthed switch operating axis 13, earthed switch operating axis 13 could rotate, and now operational grounding switch opens it.
The utility model is not limited to this embodiment, and to those skilled in the art, simple copy and improvement without creative work all belong to the scope that the utility model claim is protected.
Claims (1)
1. the reverse locking device of earthed switch and back door of a high-tension switch cabinet, it comprises: back door of high-tension switch cubicle, cabinet and arrange by the earthed switch operating axis of bevel gear group transmission on cabinet, it is characterized in that, mounting angle plate on back door of high-tension switch cubicle, axle is contained in axle bed fixing on cabinet, block is fixed on the left end of axle, torsion spring is fixed on axle by light-duty straight trough elastic cylindrical pin, the first connecting lever that shaft end is fixed and the left end of connecting rod hinged, the right-hand member of connecting rod and the left end of the second connecting lever hinged, second connecting lever is hinged on locating shaft fixing on cabinet, right-hand member and the lock pin of the second connecting lever are hinged, lock pin is placed in the fixing bearing of cabinet, lock pin inserts in the lockhole on earthed switch operating axis, or extract from the lockhole earthed switch operating axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842719.5U CN204289164U (en) | 2014-12-29 | 2014-12-29 | The reverse locking device of the earthed switch of high-tension switch cabinet and back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842719.5U CN204289164U (en) | 2014-12-29 | 2014-12-29 | The reverse locking device of the earthed switch of high-tension switch cabinet and back door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289164U true CN204289164U (en) | 2015-04-22 |
Family
ID=52872298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420842719.5U Expired - Fee Related CN204289164U (en) | 2014-12-29 | 2014-12-29 | The reverse locking device of the earthed switch of high-tension switch cabinet and back door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204289164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671588A (en) * | 2018-12-12 | 2019-04-23 | 上海平高天灵开关有限公司 | A kind of metal closed switch cabinet grounding switch locking device |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
-
2014
- 2014-12-29 CN CN201420842719.5U patent/CN204289164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN110444419B (en) * | 2018-05-04 | 2022-07-12 | 伊顿电力设备有限公司 | Interlocking device and switch cabinet with same |
| CN109671588A (en) * | 2018-12-12 | 2019-04-23 | 上海平高天灵开关有限公司 | A kind of metal closed switch cabinet grounding switch locking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202167780U (en) | Interlocking device for grounding switch operating mechanism of switch cabinet | |
| CN201682182U (en) | Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet | |
| CN203351459U (en) | Interlocking device between load switch operating mechanism and switch cabinet lower gate | |
| CN204289164U (en) | The reverse locking device of the earthed switch of high-tension switch cabinet and back door | |
| CN103259207B (en) | 10kV and 35kV trolley type switch cabinet multifunctional dolly | |
| CN105551873A (en) | Switch cabinet, three-position isolation switch mechanism and interlocking device thereof | |
| CN202299786U (en) | Interlocking device of personnel airlock | |
| CN206421984U (en) | Three-station | |
| CN204597327U (en) | A kind of insurance GCK low voltage drawing-out switching carbinet | |
| CN203931888U (en) | One cabinet door interlocking device | |
| CN203439885U (en) | Vertical middle division door lock for dumb waiter | |
| CN202524002U (en) | Mechanical interlocking mechanism of removable switch cabinet | |
| CN204315415U (en) | A kind of vacuum circuit-breaker isolating switch and cabinet door interlock | |
| CN103474876B (en) | 10 kilovolts of electric power complete set of equipments anti-misoperation lockings | |
| CN211555726U (en) | Interlocking mechanism and high-voltage switch cabinet thereof | |
| CN206878365U (en) | A kind of switch cubicle false-touch prevention blocking device | |
| CN201514884U (en) | Interlocking mechanism of disconnector and grounding switch | |
| CN205016418U (en) | Distribution cubical switchboard | |
| CN203135242U (en) | Interlock device for back door shutting of medium voltage switchgear | |
| CN203481095U (en) | 10KV high voltage electric energy measuring cabinet mis-opening prevention locking device | |
| CN206758857U (en) | The preceding Xiamen reverse interlocking structure of KYN28 high-tension switch cabinets | |
| CN203503511U (en) | Grounding switch operation interlocking mechanism for power distribution cabinet | |
| CN219477303U (en) | Low-voltage type switch cabinet with safety interlocking structure | |
| CN203871214U (en) | High-voltage switchgear mechanical interlocking device with bidirectional control function | |
| CN204609532U (en) | A kind of for door latch apparatus in examination and repair for high-pressure switch gear room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |