CN205277083U - Maloperation lock is prevented to earth connection - Google Patents
Maloperation lock is prevented to earth connection Download PDFInfo
- Publication number
- CN205277083U CN205277083U CN201520825835.0U CN201520825835U CN205277083U CN 205277083 U CN205277083 U CN 205277083U CN 201520825835 U CN201520825835 U CN 201520825835U CN 205277083 U CN205277083 U CN 205277083U
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- lock
- pin
- unblanking
- installation cavity
- lockhole
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- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims abstract description 4
- 230000005389 magnetism Effects 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 240000005266 Schlumbergera truncata Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to a maloperation lock is prevented to earth connection, including lock body and lockpin, the lock body includes the casing, be equipped with the installation cavity of unblanking, shutting installation cavity, code discernment installation cavity in the casing and be used for inserting the lockhole of lockpin, be equipped with in the code discernment installation cavity with the electricity make a noise the first jack of unblanking of key transmission locating pin matched with, with five prevent computer key trip lever matched with second unblank the jack and with five prevent the wireless probe matched with of the computer key recognizer of encoding, unblank to be equipped with in the installation cavity locking assembly, locking assembly's one end is equipped with the head of unblanking to sell that extends in to the first jack of unblanking along its tip, the second is unblanked to be equipped with perpendicularly in the jack and is ended the shelves round pin, be equipped with the slip subassembly that is used for the drive to end shelves round pin unblock or locking state in the shutting installation cavity, the lockhole is four. The utility model provides the high operational safety of earth connection avoids operating personnel to forget the occurence of failure of installing the earth connection and causing in operation process.
Description
Technical field
This utility model relates to a kind of anti-misoperation apparatus, is specifically related to a kind of earth lead anti-misoperation lock.
Background technology
Earth lead is widely used in power system, and earth lead is connected to the body of equipment mostly, when circuit offside has maloperation power transmission or circuit itself has remaining capacity, it is possible to by the incoming the earth of earth lead, thus avoiding the danger that people are electrically shocked. Earth lead bring safe while there is also certain risk, the accident of line power transmission with ground occurs repeatedly in recent years, brings massive losses to electrical network. The earth lead to hanging on equipment is needed to investigate one by one before combined floodgate power transmission. When night time operation due to light problem, operator not easily find the position of earth lead, it is easy to cause the pernicious misoperation fault of leakage dismounting ground wire and power transmission of closing a floodgate.
Grid switching operation is the basic operation in electrical operation, when carrying out grid switching operation, it is necessary to follow the operation order of regulation. Due to the existence of five-defence block, in the process of power transmission operation, substantially prevent and do not pluck grounding wire pole and carry out the accident of power transmission operation and occur. But even with the existence of five anti-devices, still there occurs that a lot of rising is forgotten to remove the accident generation that earth lead just carries out closing a floodgate in recent years. Reason of searching to the bottom is owing to five anti-devices can unlock by force, often five anti-devices have not been carried out the unblock of mistake by some operator according to the rules, or the pertinent regulations not following grid switching operation use short-circuit line and unlocking tool to unblank, and result in the generation of accident; Simultaneously because earth terminal is relatively small, it is easy to be left in the basket, operator forget installing earth lead in operation, make an inspection tour personnel inspection also inconvenient simultaneously.
Utility model content
The purpose of this utility model is in that to provide a kind of earth lead anti-misoperation lock, and this operation lock can improve the processing safety of earth lead, it is to avoid the accident that operator forget installing earth lead in operation and cause occurs.
For achieving the above object, this utility model have employed techniques below scheme:
A kind of earth lead anti-misoperation lock, including lock body and lock pin, described lock body includes housing, it is provided with, in described housing, installation cavity of unblanking, locking installation cavity, code identification installation cavity and for inserting the lockhole of lock pin, it is provided with match with the noisy key transmission alignment pin of electricity first in described code identification installation cavity to unblank jack, second matched with five anti-computer key trip levers is unblanked jack and the code identification device that matches with five anti-computer key wireless probes, it is provided with lock assembly in described installation cavity of unblanking, one end of described lock assembly is provided with unblanks the plunger of unblanking that extends in jack along its end to first, described second unblanks vertically is provided with banking pin in jack, the slide assemblies for driving banking pin unblock or lockup state it is provided with in described locking installation cavity, described lockhole is four, described slide assemblies could drive slide assemblies to the unblock of banking pin and locking by lock pin and lockhole fully mated.
Further, described slide assemblies includes horizontally disposed plane slide plate and the linkage leaf spring being slidably mounted on plane slide plate, described linkage leaf spring has the curved surface to the bending of described plane slide plate direction, extend deformation by lock pin to its both sides when this curved surface is arranged in lockhole, the afterbody of described linkage leaf spring is connected with described banking pin by drive link, coordinates with the transmission by link leaf spring and drive link and banking pin carries out locking and unblock.
Further, described linkage leaf spring is made up of multiple arch slide plates being arranged in order, the two ends of described arch slide plate are connected with each other by the axis of rolling and horizontally slip along plane slide plate, described drive link and banking pin are slidably installed in the housing by the first rotating shaft, and banking pin can be moved by the push-and-pull of drive link between vertically and horizontally.
Further, the lock pin that described lock pin includes being sequentially connected is buckled, lock pin body and lock pin T head, it is provided with permanent magnet in described lock pin body, described lock assembly includes horizontally disposed lock and card pin rod vertically disposed with lock, described plunger of unblanking is fixed on the end of lock, one end of described card pin rod is connected by bayonet lock chain and lock are fixing, its other end gos deep in lockhole, and there is the joint end matched with lock pin T head recess, the outside being positioned at lockhole joint end is provided with holddown spring, the inner side of described card pin rod is provided with the second rotating shaft, card pin rod can be driven outwards to rotate by the rotation of lock.
Further, it is provided with, between described lockhole and linkage leaf spring, fixture of unblanking, sliding sleeve that described fixture of unblanking includes being fixed on lockhole end and be arranged on the permanent magnetism ejector pin within sliding sleeve, the magnetic of described permanent magnetism ejector pin is contrary with the magnetic of described permanent magnet, so that permanent magnetism ejector pin can by under the effect of magnetic force along sliding sleeve slid inward, described linkage leaf spring extends deformation by the thrust of permanent magnetism ejector pin to its both sides.
Further, described arch slide plate is four and corresponding with described permanent magnetism ejector pin, is provided with smooth landing slab between described permanent magnetism ejector pin and arch slide plate.
As shown from the above technical solution, earth lead anti-misoperation described in the utility model is locked, simple in construction, easy to use, management and control is carried out by the earth wire that coordinates with five anti-computer keys, only by five anti-computer keys, ground connection machine could be unblanked after earth lead all connects, the accident avoiding staff's maloperation and cause occurs, improve the operational reliability of electrical network, meet the management requirement that in electric power safety code, the ground connection of regulation is installed, removed, eliminate the accident that earth lead maloperation brings.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model lock body;
Fig. 2 is the structural representation that this utility model lock body coordinates when installing with lock pin;
Fig. 3 is that this utility model lock body coordinates the structural representation after installation with lock pin;
Fig. 4 is partial schematic diagram during lock pin locking when coordinating with fixture of unblanking.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
Such as Fig. 1, shown in 2, the earth lead anti-misoperation lock of the present embodiment, including lock body and lock pin 5, lock body includes housing, installation cavity 1 of unblanking it is provided with in housing, locking installation cavity 2, code identification installation cavity 3 and for inserting the lockhole 4 of lock pin 5, it is provided with match with the noisy key transmission alignment pin of electricity first in code identification installation cavity 3 to unblank jack 31, second matched with five anti-computer key trip levers is unblanked jack 32 and the code identification device 33 that matches with five anti-computer key wireless probes, unblank to be provided with lock assembly in installation cavity 1, one end of lock assembly is provided with unblanks the plunger 11 of unblanking that extends in jack 31 along its end to first, second unblanks vertically is provided with banking pin 34 in jack 32, it is provided with for driving banking pin 34 to unlock or the slide assemblies of lockup state in locking installation cavity 2, lockhole 4 is four, it is respectively used to A, B, C, the insertion hole of N earthing pole, slide assemblies could drive slide assemblies to the unblock of banking pin 34 and locking by lock pin 5 and lockhole 4 fully mated.
The slide assemblies of the present embodiment includes horizontally disposed plane slide plate 21 and the linkage leaf spring 22 being slidably mounted on plane slide plate 21, this linkage leaf spring 22 is sequentially connected by multiple arch slide plates and forms, the two ends of arch slide plate are connected with each other by the axis of rolling 24 and are horizontally slipped along plane slide plate 21, the curved surface of this arch slide plate tool oriented plane slide plate 21 direction bending, extend deformation by lock pin 5 to its both sides when this curved surface is arranged in lockhole 4, the afterbody of linkage leaf spring 22 is connected with banking pin 34 by drive link 23, banking pin 34 is carried out locking and unblock by the transmission cooperation to pass through linkage leaf spring 22 and drive link 23. in order to facilitate the slip of banking pin 34, this drive link 23 and banking pin 34 are slidably installed in the housing by the first rotating shaft 25, and banking pin 34 can be moved by the push-and-pull of drive link 23 between vertically and horizontally, namely when lock pin 5 is entirely insertable in lockhole 4, its banking pin 34 is horizontally situated or makes banking pin 34 to tilt to jack 32 of unblanking lower than second, so that the second jack 32 of unblanking is in and opens released state, now five anti-computer keys can pass through the second jack 32 of unblanking lock body is unblanked, when lock pin 5 is all extracted from lockhole 4, banking pin 34 is positioned at upright position, to stop that five anti-computer keys insert second and unblank to unblank in jack 32. its releasing process is as shown in Figure 2,3.
As shown in Figure 4, the lock pin that lock pin 5 includes being sequentially connected buckles 51, lock pin body 52 and lock pin T 53, permanent magnet 521 it is provided with in lock pin body 52, lock assembly includes horizontally disposed lock 12 and card pin rod 13 vertically disposed with lock 12, plunger of unblanking 11 is fixed on the end of lock 12, one end of card pin rod 13 is connected by bayonet lock chain 14 is fixing with lock 12, its other end gos deep in lockhole 4, and there is the joint end 131 matched with T 53 recess of lock pin, the outside being positioned at lockhole 4 joint end 131 is provided with holddown spring 15, the inner side of card pin rod 13 is provided with the second rotating shaft 16, card pin rod 13 can be driven to external rotation by the rotation of lock 12. rotation for convenient card pin rod 13, this bayonet lock chain 14 is connected by alignment pin 17 and lock are fixing, when lock pin 5 is pushed in lockhole 4, its side joint end 131 with a slope is lifted under the thrust of lock pin T 53, after being pushed further into lock pin 5, joint end 131 is under the effect of holddown spring 15, and the recess that insertion lock pin is T 53, to lock lock pin 5.
In order to conveniently unblank, in the present embodiment, it is provided with, between lockhole 4 and linkage leaf spring 22, fixture 6 of unblanking, fixture 6 of unblanking includes being fixed on the sliding sleeve 61 of lockhole 4 end and is arranged on the permanent magnetism ejector pin 62 within sliding sleeve 61, the magnetic of permanent magnetism ejector pin 62 is contrary with the magnetic of permanent magnet 521, so that permanent magnetism ejector pin 62 can by under the effect of magnetic force along sliding sleeve 61 slid inward, linkage leaf spring 22 extends deformation by the thrust of permanent magnetism ejector pin 62 to its both sides. Because the permanent magnet 521 in lock pin body 52 is identical with the polarity of the permanent magnetism ejector pin 62 in sliding sleeve 61, so lock pin 5 is often in thrust. When unblanking, rotate clockwise plunger 11 of unblanking, lock 12 is made to synchronize to turn clockwise, the alignment pin 17 being fixed on lock 12 pulls bayonet lock chain 14, card pin rod 13 to synchronize clockwise rotation under power effect with the second rotating shaft 16, joint end 131 overcomes the power effect of holddown spring 15 to be lifted up, and its lock pin 5 ejects under magneticaction.
In order to increase the permanent magnetism ejector pin 62 motive force to linkage leaf spring 22, this arch slide plate is four and corresponding with permanent magnetism ejector pin 62, is provided with smooth landing slab 63 between permanent magnetism ejector pin 62 and arch slide plate. The one side of this smooth landing slab 63 with linkage leaf spring 22 cambered top end be welded and fixed, another side low-resistance is smooth and parallel with plane slide plate 21. The leaf spring 22 that links when being not fully inserted into lock pin 5 in each lockhole 4 can not be fully extended, then pin 34 can not proceed in locking installation cavity completely clockwise, and five anti-computer keys then cannot insert the second jack 32 of unblanking to carry out unblanking or recognition and verification lock coding.
When needs hanging earthing conductor is unblanked, each lockhole 4 must be fully-inserted lock pin 5 state, now linkage leaf spring 22 can be fully extended, pin 34 proceeds in locking installation cavity 2 completely clockwise, five anti-computer keys are granted and are inserted second and unblank jack 32, if the coding of earth lead anti-misoperation lock magnetic (light) code identification device and five anti-computer key identification codes are identical, after then pressing five anti-computer key unlocking buttons, plunger 11 unblanked by its earth lead anti-misoperation lock will with five anti-computer key plugs together rotation, card pin rod 13 in earth lead anti-misoperation lock will in company with turning clockwise, each joint end 131 is opened, lock pin 5 ejects lockhole 4 under same magnetic polarity power effect, realization is unblanked, if the coding of earth lead anti-misoperation lock magnetic (light) code identification device and five anti-computer key identification codes differ, five anti-computer key unlocking buttons cannot be pressed, five anti-computer key plugs cannot rotate, then plunger 11 refusal rotation of unblanking is locked in earth lead anti-misoperation, will be unable to hanging earthing conductor of unblanking.
When earth lead removed by needs, all earthing poles must be removed, and all lock pins 5 must be inserted in earth lead anti-misoperation lock lockpin hole 4, five anti-computer keys could insert first, second jack 31 and 32 of unblanking and unblank, coding and the five anti-computer key identification codes of earth lead anti-misoperation lock magnetic (light) code identification device are identical, then being checked by five anti-computer keys, five anti-computer keys can carry out the unlocking operation of ground connection pole; When leaving the arbitrary pole of earth lead and being not inserted into lockhole 4, then judging that earth lead conductive electrode is not removed completely, five anti-computer keys can not pass through to check, and refuses next step operation, and effective overall process carries out earth lead anti-misoperation management. During use, lock pin 5 is connected by connecting line and earthing pole, then lock pin 5 and lock body are carried out grafting, in order to avoid maloperation, the length of this connecting line should be less than the length between earthing pole and external equipment, and in the present embodiment, this connecting line is preferable over less than or equal to 30cm.
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims are determined.
Claims (6)
1. an earth lead anti-misoperation lock, it is characterized in that: include lock body and lock pin (5), described lock body includes housing, installation cavity of unblanking (1) it is provided with in described housing, locking installation cavity (2), code identification installation cavity (3) and be used for inserting the lockhole (4) of lock pin (5), it is provided with match with the noisy key transmission alignment pin of electricity first in described code identification installation cavity (3) to unblank jack (31), second matched with five anti-computer key trip levers is unblanked jack (32) and the code identification device (33) that matches with five anti-computer key wireless probes, it is provided with lock assembly in described installation cavity of unblanking (1), one end of described lock assembly is provided with the plunger of unblanking (11) of the interior extension of jack (31) of unblanking along its end to first, described second unblanks vertically is provided with banking pin (34) in jack (32), the slide assemblies for driving banking pin (34) unblock or lockup state it is provided with in described locking installation cavity (2), described lockhole (4) is four, described slide assemblies could drive slide assemblies to the unblock of banking pin (34) and locking by lock pin (5) and lockhole (4) fully mated.
2. earth lead anti-misoperation according to claim 1 lock, it is characterized in that: described slide assemblies includes horizontally disposed plane slide plate (21) and the linkage leaf spring (22) being slidably mounted on plane slide plate (21), described linkage leaf spring (22) has the curved surface to the bending of described plane slide plate (21) direction, this curved surface by lock pin (5) be arranged on lockhole (4) interior time to its both sides extend deformation, the afterbody of described linkage leaf spring (22) is connected with described banking pin (34) by drive link (23), banking pin (34) is carried out locking and unblock by the transmission cooperation to pass through linkage leaf spring (22) and drive link (23).
3. earth lead anti-misoperation according to claim 2 lock, it is characterized in that: described linkage leaf spring (22) is made up of multiple arch slide plates being arranged in order, the two ends of described arch slide plate are connected with each other by the axis of rolling (24) and can be horizontally slipped along plane slide plate (21), described drive link (23) and banking pin (34) are slidably installed in the housing by the first rotating shaft (25), and banking pin (34) can be moved by the push-and-pull of drive link (23) between vertically and horizontally.
4. earth lead anti-misoperation according to claim 3 lock, it is characterized in that: the lock pin that described lock pin (5) includes being sequentially connected buckles (51), lock pin body (52) and lock pin T head (53), it is provided with permanent magnet (521) in described lock pin body (52), described lock assembly includes horizontally disposed lock (12) and card pin rod (13) vertically disposed with lock (12), described plunger of unblanking (11) is fixed on the end of lock (12), one end of described card pin rod (13) is connected by bayonet lock chain (14) and lock (12) are fixing, its other end gos deep in lockhole (4), and there is the joint end (131) matched with lock pin T head (53) recess, the outside being positioned at lockhole (4) joint end (131) is provided with holddown spring (15), the inner side of described card pin rod (13) is provided with the second rotating shaft (16), card pin rod (13) can be driven to external rotation with the rotation by lock (12).
5. earth lead anti-misoperation according to claim 4 lock, it is characterized in that: between described lockhole (4) and linkage leaf spring (22), be provided with fixture of unblanking (6), described fixture of unblanking (6) includes the sliding sleeve (61) being fixed on lockhole (4) end and the permanent magnetism ejector pin (62) being arranged on sliding sleeve (61) inside, the magnetic of described permanent magnetism ejector pin (62) is contrary with the magnetic of described permanent magnet (521), so that permanent magnetism ejector pin (62) can by under the effect of magnetic force along sliding sleeve (61) slid inward, described linkage leaf spring (22) by the thrust of permanent magnetism ejector pin (62) to its both sides extend deformation.
6. earth lead anti-misoperation according to claim 5 lock, it is characterised in that: described arch slide plate is four and setting corresponding with described permanent magnetism ejector pin (62), is provided with smooth landing slab (63) between described permanent magnetism ejector pin (62) and arch slide plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520825835.0U CN205277083U (en) | 2015-10-25 | 2015-10-25 | Maloperation lock is prevented to earth connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520825835.0U CN205277083U (en) | 2015-10-25 | 2015-10-25 | Maloperation lock is prevented to earth connection |
Publications (1)
Publication Number | Publication Date |
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CN205277083U true CN205277083U (en) | 2016-06-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520825835.0U Withdrawn - After Issue CN205277083U (en) | 2015-10-25 | 2015-10-25 | Maloperation lock is prevented to earth connection |
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CN (1) | CN205277083U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105220960A (en) * | 2015-10-25 | 2016-01-06 | 国家电网公司 | A kind of grounding wire anti-misoperation lock |
CN106787224A (en) * | 2017-04-07 | 2017-05-31 | 国家电网公司 | A kind of distributed intelligence ground wire management system |
CN110556638A (en) * | 2019-08-23 | 2019-12-10 | 国网福建省电力有限公司检修分公司 | Grounding pile |
-
2015
- 2015-10-25 CN CN201520825835.0U patent/CN205277083U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105220960A (en) * | 2015-10-25 | 2016-01-06 | 国家电网公司 | A kind of grounding wire anti-misoperation lock |
CN106787224A (en) * | 2017-04-07 | 2017-05-31 | 国家电网公司 | A kind of distributed intelligence ground wire management system |
CN106787224B (en) * | 2017-04-07 | 2023-06-27 | 国家电网公司 | Distributed intelligent ground wire management system |
CN110556638A (en) * | 2019-08-23 | 2019-12-10 | 国网福建省电力有限公司检修分公司 | Grounding pile |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20170922 |