CN105220960A - A kind of grounding wire anti-misoperation lock - Google Patents
A kind of grounding wire anti-misoperation lock Download PDFInfo
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- CN105220960A CN105220960A CN201510694161.XA CN201510694161A CN105220960A CN 105220960 A CN105220960 A CN 105220960A CN 201510694161 A CN201510694161 A CN 201510694161A CN 105220960 A CN105220960 A CN 105220960A
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- grounding wire
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- 239000000523 sample Substances 0.000 claims abstract description 4
- 230000005389 magnetism Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
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- 238000005452 bending Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
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Abstract
The present invention relates to a kind of grounding wire anti-misoperation lock, comprise lock body and lock pin, described lock body comprises housing, installation cavity of unblanking is provided with in described housing, locking installation cavity, code identification installation cavity and the lockhole for inserting lock pin, be provided with in described code identification installation cavity that the key that to make a noise with electricity transmits that alignment pin matches first unblanks jack, match with five anti-computer key trip levers second unblanks jack and the code identification device that matches with five anti-computer key wireless probes, lock assembly is provided with in described installation cavity of unblanking, one end of described lock assembly is provided with to unblank 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 is provided with in described locking installation cavity, described lockhole is four.Invention increases the processing safety of grounding wire, avoid that operating personnel forget installing grounding wire in operation and the accident that causes occurs.
Description
Technical field
The present invention relates to a kind of anti-misoperation apparatus, be specifically related to a kind of grounding wire anti-misoperation lock.
Background technology
Grounding wire is widely used in power system, and grounding wire is connected to the body of equipment mostly, when circuit offside has maloperation power transmission or circuit itself to have a remaining capacity, just can import the earth into by grounding wire, thus the danger avoiding people to be electrically shocked.Grounding wire bring safe while also there is certain risk, the accident of line power transmission with ground occurs repeatedly in recent years, brings massive losses to electrical network.Before combined floodgate power transmission, need the grounding wire to equipment hangs to investigate one by one.When night time operation due to light problem, operating personnel not easily find the position of grounding wire, easily cause the pernicious misoperation fault leaking 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, must follow the operating sequence of regulation.Due to the existence of five-defence block, in the process of power transmission operation, substantially prevent and do not pluck the accident generation that grounding wire pole carries out power transmission operation.Even if but there is the existence of five anti-devices, still there occurs a lot of rising in recent years and forget that the accident that dismounting grounding wire just carries out closing a floodgate occurs.Reason of searching to the bottom is because five anti-devices can unlock by force, often some operating personnel has carried out wrong unblock not in accordance with regulation to five anti-devices, 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 little, be easily left in the basket, operating personnel forget installing grounding wire in operation, make an inspection tour personnel inspection also inconvenient simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of grounding wire anti-misoperation to lock, this operable lock can improve the processing safety of grounding wire, avoids that operating personnel forget installing grounding wire in operation and the accident that causes occurs.
For achieving the above object, present invention employs following technical scheme:
A kind of grounding wire anti-misoperation lock, comprise lock body and lock pin, described lock body comprises housing, installation cavity of unblanking is provided with in described housing, locking installation cavity, code identification installation cavity and the lockhole for inserting lock pin, be provided with in described code identification installation cavity that the key that to make a noise with electricity transmits that alignment pin matches first unblanks jack, match with five anti-computer key trip levers second unblanks jack and the code identification device that matches with five anti-computer key wireless probes, lock assembly is provided with in described installation cavity of unblanking, one end of described lock assembly is provided with to unblank 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 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 with coordinating completely of lockhole.
Further, the interlock leaf spring that described slide assemblies comprises horizontally disposed plane slide plate and is slidably mounted on plane slide plate, described interlock leaf spring has the curved surface bending to described plane slide plate direction, deformation is extended to its both sides when this curved surface is arranged in lockhole by lock pin, the afterbody of described interlock leaf spring is connected with described banking pin by drive link, carries out locking and unblock to be coordinated by the transmission of interlock leaf spring and drive link to banking pin.
Further, described interlock leaf spring is made up of multiple arc slide plate be arranged in order, the two ends of described arc slide plate are interconnected 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 vertical and horizontal direction.
Further, described lock pin comprises the lock pin be connected successively and buckles, lock pin body and lock pin T head, permanent magnet is provided with in described lock pin body, described lock assembly comprises horizontally disposed lock and bayonet lock bar vertically disposed with lock, described plunger of unblanking is fixed on the end of lock, one end of described bayonet lock bar is fixedly connected with lock by bayonet lock chain, 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 bayonet lock bar is provided with the second rotating shaft, bayonet lock bar can be driven to inner rotary by the rotation of lock.
Further, fixture of unblanking is provided with between described lockhole and interlock leaf spring, described fixture of unblanking comprises the sliding sleeve being fixed on lockhole end and the permanent magnetism ejector pin being arranged on sliding sleeve inside, the magnetic of described permanent magnetism ejector pin is contrary with the magnetic of described permanent magnet, to enable permanent magnetism ejector pin by inwardly sliding along sliding sleeve under the effect of magnetic force, described interlock leaf spring extends deformation by the thrust of permanent magnetism ejector pin to its both sides.
Further, described arc 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 arc slide plate.
As shown from the above technical solution, grounding wire anti-misoperation lock of the present invention, structure is simple, easy to use, by carrying out management and control with the earth wire that coordinates of five anti-computer keys, ability after grounding wire all connects is only had to unblank to ground connection machine by five anti-computer keys, avoid staff's maloperation and the accident that causes occurs, improve the operational reliability of electrical network, meet the ground connection installation specified in electric power safety code, the management expectancy removed, eliminate the accident that grounding wire maloperation brings.
Accompanying drawing explanation
Fig. 1 is the structural representation of lock body of the present invention;
Fig. 2 is lock body of the present invention coordinates when installing structural representation with lock pin;
Fig. 3 is that lock body of the present invention coordinates the structural representation after installation with lock pin;
Partial schematic diagram when Fig. 4 is the locking of lock pin when coordinating with fixture of unblanking.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As Fig. 1, shown in 2, the grounding wire anti-misoperation lock of the present embodiment, comprise lock body and lock pin 5, lock body comprises housing, installation cavity 1 of unblanking is provided with in housing, locking installation cavity 2, code identification installation cavity 3 and the lockhole 4 for inserting lock pin 5, be provided with in code identification installation cavity 3 that the key that to make a noise with electricity transmits that alignment pin matches first unblanks jack 31, match with five anti-computer key trip levers second unblanks 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 to unblank 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, be 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, be respectively used to A, B, C, the patchhole of N earthing pole, slide assemblies could drive slide assemblies to the unblock of banking pin 34 and locking by lock pin 5 with coordinating completely of lockhole 4.
The interlock leaf spring 22 that the slide assemblies of the present embodiment comprises horizontally disposed plane slide plate 21 and is slidably mounted on plane slide plate 21, this interlock leaf spring 22 is connected to form successively by multiple arc slide plate, the two ends of arc slide plate are interconnected by the axis of rolling 24 and horizontally slip along plane slide plate 21, the curved surface that this arc slide plate tool oriented plane slide plate 21 direction is bending, deformation is extended to its both sides when this curved surface is arranged in lockhole 4 by lock pin 5, the afterbody of interlock leaf spring 22 is connected with banking pin 34 by drive link 23, to be coordinated by the transmission of interlock leaf spring 22 and drive link 23, locking and unblock are carried out to banking pin 34.The conveniently 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 vertical and horizontal direction, namely when lock pin 5 all inserts in lockhole 4, its banking pin 34 is positioned at horizontal level or banking pin 34 is tilted to unblank jack 32 lower than second, be in open released state to make the second jack 32 of unblanking, now five anti-computer keys can be unblanked by second jack 32 pairs of lock bodies of unblanking, 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 as shown in Figure 2,3.
As shown in Figure 4, lock pin 5 comprises the lock pin be connected successively and buckles 51, lock pin body 52 and lock pin T 53, permanent magnet 521 is provided with in lock pin body 52, lock assembly comprises horizontally disposed lock 12 and bayonet lock bar 13 vertically disposed with lock 12, plunger of unblanking 11 is fixed on the end of lock 12, one end of bayonet lock bar 13 is fixedly connected with lock 12 by bayonet lock chain 14, its other end gos deep in lockhole 4, and have and lock pin T the joint end that 53 recess match 131, the outside being positioned at lockhole 4 joint end 131 is provided with holddown spring 15, the inner side of bayonet lock bar 13 is provided with the second rotating shaft 16, bayonet lock bar 13 can be driven to inner rotary by the rotation of lock 12.The conveniently rotation of bayonet lock bar 13, this bayonet lock chain 14 is fixedly connected with lock by alignment pin 17, 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 pushing lock pin 5 further, joint end 131, under the effect of holddown spring 15, inserts the recess of lock pin T 53, to lock lock pin 5.
Conveniently unblank, in the present embodiment, fixture 6 of unblanking is provided with between lockhole 4 and interlock leaf spring 22, fixture 6 of unblanking comprises 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 permanent magnetism ejector pin 62 is contrary with the magnetic of permanent magnet 521, to make permanent magnetism ejector pin 62 can by inwardly sliding along sliding sleeve 61 under the effect of magnetic force, interlock 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 synchronously turned clockwise, the alignment pin 17 be fixed on lock 12 pulls bayonet lock chain 14, bayonet lock bar 13 to rotate with the second rotating shaft 16 synchronous clockwise under power effect, the power effect that joint end 131 overcomes holddown spring 15 is upwards lifted, and its lock pin 5 ejects under magneticaction.
In order to increase the motive force of permanent magnetism ejector pin 62 to interlock leaf spring 22, this arc 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 arc slide plate.The one side of this smooth landing slab 63 is welded and fixed with the cambered top end of interlock leaf spring 22, and another side low-resistance is smooth and parallel with plane slide plate 21.When not inserting lock pin 5 in each lockhole 4 completely, interlock leaf spring 22 can not full extension be opened, 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 insert lock pin 5 state completely, the leaf spring 22 that now links can full extension be opened, pin 34 proceeds in locking installation cavity 2 completely clockwise, five anti-computer keys are granted insertions second and to be unblanked jack 32, if the coding of grounding wire anti-misoperation lock magnetic (light) code identification device is identical with five anti-computer key identification codes, after then pressing five anti-computer key unlocking buttons, plunger 11 unblanked by its grounding wire anti-misoperation lock will with five anti-computer key plugs together rotation, bayonet lock bar 13 in grounding wire anti-misoperation lock will in company with turning clockwise, each joint end 131 is opened, lock pin 5 ejects lockhole 4 under the effect of same magnetic polarity power, realization is unblanked, if the coding of grounding wire anti-misoperation lock magnetic (light) code identification device is not identical with five anti-computer key identification codes, five anti-computer key unlocking buttons cannot be pressed, five anti-computer key plugs cannot rotate, then grounding wire anti-misoperation locks plunger 11 refusal rotation of unblanking, hanging earthing conductor of cannot unblanking.
When grounding wire removed by needs, all earthing poles must be removed, and all lock pins 5 must insert in grounding wire anti-misoperation lock lockpin hole 4, five anti-computer keys could insert first, second jack 31 and 32 of unblanking and unblank, the coding of grounding wire anti-misoperation lock magnetic (light) code identification device is identical with five anti-computer key identification codes, then checked by five anti-computer keys, five anti-computer keys can carry out the unlock operation of ground connection pole; When leaving the arbitrary pole of grounding wire and not inserting lockhole 4, then judge that grounding wire conductive electrode is not removed completely, five anti-computer keys are not by checking, and refuse next step operation, effective overall process carries out grounding wire 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 and is less than or equal to 30cm.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (6)
1. a grounding wire anti-misoperation lock, it is characterized in that: comprise lock body and lock pin (5), described lock body comprises housing, installation cavity of unblanking (1) is provided with in described housing, locking installation cavity (2), code identification installation cavity (3) and the lockhole (4) for inserting lock pin (5), be provided with in described code identification installation cavity (3) that the key that to make a noise with electricity transmits that alignment pin matches first unblanks jack (31), match with five anti-computer key trip levers second unblanks jack (32) and the code identification device (33) that matches with five anti-computer key wireless probes, lock assembly is provided with in described installation cavity of unblanking (1), one end of described lock assembly is provided with to unblank the plunger of unblanking (11) that extends in jack (31) 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 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) with coordinating completely of lockhole (4).
2. grounding wire anti-misoperation lock according to claim 1, it is characterized in that: the interlock leaf spring (22) that described slide assemblies comprises horizontally disposed plane slide plate (21) and is slidably mounted on plane slide plate (21), described interlock leaf spring (22) has the curved surface bending to described plane slide plate (21) direction, this curved surface by lock pin (5) be arranged on lockhole (4) interior time to its both sides extension deformation, the afterbody of described interlock leaf spring (22) is connected with described banking pin (34) by drive link (23), to be coordinated by the transmission of interlock leaf spring (22) and drive link (23), locking and unblock are carried out to banking pin (34).
3. grounding wire anti-misoperation lock according to claim 1 and 2, it is characterized in that: described interlock leaf spring (22) is made up of multiple arc slide plate be arranged in order, the two ends of described arc slide plate are interconnected 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 vertical and horizontal direction.
4. grounding wire anti-misoperation lock according to claim 1 and 2, it is characterized in that: described lock pin (5) comprises the lock pin be connected successively and buckles (51), lock pin body (52) and lock pin T head (53), permanent magnet (521) is provided with in described lock pin body (52), described lock assembly comprises horizontally disposed lock (12) and bayonet lock bar (13) vertically disposed with lock (12), described plunger of unblanking (11) is fixed on the end of lock (12), one end of described bayonet lock bar (13) is fixedly connected with lock (12) by bayonet lock chain (14), 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 bayonet lock bar (13) is provided with the second rotating shaft (16), bayonet lock bar (13) can be driven to inner rotary with the rotation by lock (12).
5. grounding wire anti-misoperation lock according to claim 4, it is characterized in that: between described lockhole (4) and interlock leaf spring (22), be provided with fixture of unblanking (6), described fixture of unblanking (6) comprises 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), inwardly slide along sliding sleeve (61) under can passing through the effect of magnetic force to make permanent magnetism ejector pin (62), described interlock leaf spring (22) extends deformation by the thrust of permanent magnetism ejector pin (62) to its both sides.
6. grounding wire anti-misoperation according to claim 5 lock, is characterized in that: described arc slide plate be four and with the corresponding setting of described permanent magnetism ejector pin (62), be provided with smooth landing slab (63) between described permanent magnetism ejector pin (62) and arc slide plate.
Priority Applications (1)
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CN201510694161.XA CN105220960B (en) | 2015-10-25 | 2015-10-25 | A kind of ground wire anti-misoperation lock |
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CN201510694161.XA CN105220960B (en) | 2015-10-25 | 2015-10-25 | A kind of ground wire anti-misoperation lock |
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CN105220960A true CN105220960A (en) | 2016-01-06 |
CN105220960B CN105220960B (en) | 2017-09-22 |
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CN201510694161.XA Expired - Fee Related CN105220960B (en) | 2015-10-25 | 2015-10-25 | A kind of ground wire anti-misoperation lock |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365464A (en) * | 2018-01-23 | 2018-08-03 | 安徽柒海智能控制技术有限公司 | A kind of ground connection end anti-misoperation apparatus and its prevent maloperation method |
CN108490814A (en) * | 2018-04-27 | 2018-09-04 | 国网山东省电力公司聊城供电公司 | A kind of five anti-method of calibration of substation based on back brake principle |
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CN201421969Y (en) * | 2009-05-15 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
CN102255393A (en) * | 2011-07-29 | 2011-11-23 | 重庆大学 | Ground wire hanging anti-error blocking system and method thereof |
US20120193694A1 (en) * | 2005-03-08 | 2012-08-02 | Semiconductor Energy Laboratory Co., Ltd. | Wireless chip and electronic appliance having the same |
US20130024038A1 (en) * | 2011-07-20 | 2013-01-24 | Youtech, Inc. | Interchangeable lock core and opening method thereof |
CN102969659A (en) * | 2012-11-14 | 2013-03-13 | 四川省电力公司内江电业局 | Anti-misoperation device of ground lead |
CN205277083U (en) * | 2015-10-25 | 2016-06-01 | 国家电网公司 | Maloperation lock is prevented to earth connection |
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2015
- 2015-10-25 CN CN201510694161.XA patent/CN105220960B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20120193694A1 (en) * | 2005-03-08 | 2012-08-02 | Semiconductor Energy Laboratory Co., Ltd. | Wireless chip and electronic appliance having the same |
CN201421969Y (en) * | 2009-05-15 | 2010-03-10 | 珠海优特电力科技股份有限公司 | Detection locking device of temporary grounding wire |
US20130024038A1 (en) * | 2011-07-20 | 2013-01-24 | Youtech, Inc. | Interchangeable lock core and opening method thereof |
CN102255393A (en) * | 2011-07-29 | 2011-11-23 | 重庆大学 | Ground wire hanging anti-error blocking system and method thereof |
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CN205277083U (en) * | 2015-10-25 | 2016-06-01 | 国家电网公司 | Maloperation lock is prevented to earth connection |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108365464A (en) * | 2018-01-23 | 2018-08-03 | 安徽柒海智能控制技术有限公司 | A kind of ground connection end anti-misoperation apparatus and its prevent maloperation method |
CN108490814A (en) * | 2018-04-27 | 2018-09-04 | 国网山东省电力公司聊城供电公司 | A kind of five anti-method of calibration of substation based on back brake principle |
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