CN106654626A - Mis-operation prevention device for low-voltage grounding ring - Google Patents
Mis-operation prevention device for low-voltage grounding ring Download PDFInfo
- Publication number
- CN106654626A CN106654626A CN201610934504.XA CN201610934504A CN106654626A CN 106654626 A CN106654626 A CN 106654626A CN 201610934504 A CN201610934504 A CN 201610934504A CN 106654626 A CN106654626 A CN 106654626A
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- CN
- China
- Prior art keywords
- wire
- ground
- low
- iron core
- housing
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a mis-operation prevention device for low-voltage grounding ring. The device comprises a circuit insulator, an electromagnetic valve for an automatic locking device and a grounding ring device. The upper end of the circuit insulator is used to support a conductive wire and the middle end is used to fixedly connect the electromagnetic valve of the automatic locking device. The grounding ring device comprises a wire clamping holder and a grounding ring wherein the grounding ring is electrically connected with the conductive wire through the wire clamping holder; one side of the ground ring is connected to the housing of the electromagnetic valve; the electromagnetic valve of the automatic locking device comprises an iron core, a housing, a wire coil, a position restoring spring, a locking bolt and a fixing and connecting device wherein the housing is further provided with a connection position allowing the electromagnetic valve to be fixed on the circuit insulator. The mis-operation prevention device for low-voltage grounding ring of the invention has a simple structure, achieves reliable performance and can safely and rapidly lock a grounding ring in an automatic manner according to the live state of a conductive wire in need of repair so as to prevent mis-operations to the live grounding wire.
Description
Technical field
The present invention relates to a kind of automatic defect preventing blocking device, particularly a kind of low-voltage ground link error-proof device.
Background technology
The low-voltage ground whole link device for installing application at present is that, in low-voltage insulation line maintenance, operating personnel are identifying inspection
Repair circuit indeed without pressure after, i.e., ground wire hitching in the ground connection whole link device of circuit.But in operation, it is possible to grasp
Make that personnel conscientiously do not carry out electrical verification or electroscope is damaged and can not identify the powered situation of maintenance circuit, or to mounting after electrical verification
Circuit is recovered power transmission by mistake in the ground wire time, is susceptible to the misoperation fault of live connection of ground wire.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, and on the basis of original device, a kind of tool of research and development
There is the low-voltage ground whole link device of automatic defect preventing blocking function, i.e., when circuit is powered, ground wire cannot be articulated in line-to-ground
On ring, only after circuit is without pressure, operating personnel's ground wire just can be articulated in ground loop, and reaching prevents live connection of ground wire
Effect.
A kind of low-voltage ground link error-proof device, its structural feature is：Described low-voltage ground link error-proof device bag
Line insulator, the magnetic valve of self-locking gear and ground connection whole link device are included, described line insulator upper end is used to prop up
Support wire, intermediate ends are used to be fixedly connected the magnetic valve of self-locking gear；Described ground connection whole link device includes wire clamp seat
And ground loop, by wire clamp seat and wire formation electrical connection, a side of ground loop is connected to magnetic valve to described ground loop
Housing on；The magnetic valve of described self-locking gear includes cored, housing, coil, back-moving spring, locking bolt and fixation
Attachment means, described iron core is arranged at housing cavity and can move reciprocatingly along the axis of inner chamber, and coil is installed on housing
Inwall, iron core passes through coil, the lead-out wire of coil to be electrically connected with wire, and described locking is tethered and is connected on iron core, also wraps
Including makes one end of the back-moving spring of plunger return, described back-moving spring be connected with housing, the other end or be connected with iron core or
It is set in outside iron core, iron core drives locking bolt to do the motion of space partition in ground loop ring when coil obtains electric, in dead electricity
Cause iron core to leave ground loop under the drive of back-moving spring and open space in ground loop ring, being additionally provided with housing can be by electricity
Magnet valve is fixed on the attachment means on line insulator.
This automatic defect preventing blocking device, attaches it on line insulator when in use, and its locking bolt is moved
At the position of the ground loop hanging earthing conductor that earthing or grounding means can be locked when making, when the wire that need to be overhauled is also in electriferous state, electromagnetism
The coil of valve is also being powered, and will move with dynamic iron core, so as to drive the locking bolt generation action being connected with iron core, action
Locking bolt pins the locus of the ground loop hanging earthing conductor of earthing or grounding means, and so as to play live connection of ground wire is automatically prevented from
Effect, once the wire for being overhauled does not have electricity, at this moment, electromagnetic valve coil also dead electricity, then the iron core in magnetic valve is also by dead electricity, now
Iron core will reset in the presence of back-moving spring, and the position of the ground loop hanging earthing conductor of earthing or grounding means will be unlocked, at this moment, maintenance
Ground wire can be safely and reliably articulated at the conduction of ground loop.
Connection between described iron core and locking bolt or for the detachable connection of activity, or for relative position can be changed
Connection.
Using both modes, can pass through to change locking bolt or change relative position of the locking bolt with respect to iron core, so as to side
Just control locking bolt and the space length of the ground loop hanging earthing conductor position of earthing or grounding means.
This low-voltage ground link error-proof device includes the locking bolt of various different length specifications.
Can as needed flexibly from the locking bolt of different length.
Position adjustments between described locking bolt and iron core or be along locking bolt axis direction be provided with it is rows of
Jack.
Different jacks on locking bolt and iron core are fixed when in use the change for being capable of achieving both relative positions.
Position adjustments between described locking bolt and iron core are that the axis direction of locking bolt is provided with elongated hole.
When in use iron core is fixed on into the change that positions different on elongated hole are capable of achieving both relative positions.
Attachment means on described housing are the connection anchor ear that can be connected to magnetic valve on line insulator.
Described housing includes insulation crust and end cap, and end cap and insulation crust are detachable connection, attachment means
It is arranged on end cap.
Described electromagnetism valve blocking bolt is cylindrical structure, flexible with motion, the features such as reliable in action.
Described ground loop is half ring type structure, and the upside of ring is fixed together by wire clamp seat with insulated conductor, and with
Insulated conductor forms electrical connection, and a side of ring is fixed on electromagnetic valve device, and provides the activity space of locking bolt, ring
Below be exposed conductor, hanging earthing conductor is used when being line maintenance, and other positions of ring are wrapped up using insulating part.
In sum, present invention advantage following compared to existing technology：
This low-voltage ground link error-proof device has a simple structure, reliable in action, can safely, promptly according to conductor strip need to be overhauled
Ground loop is automatically carried out locking by electricity condition, so as to prevent the purpose of live connection of ground wire maloperation.In leading for need to overhauling
Indeed after no-voltage, this device is automatically unlocked ground loop line, safely and reliably inspection earthing line is articulated in into ground connection
In ring.
Description of the drawings
Fig. 1 is that the present invention need to overhaul structural representation of the insulated conductor without embodiment under electricity condition.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the structural representation that the present invention need to overhaul embodiment under insulated conductor live state.
Label declaration：1. insulated conductor, 2. line insulator, 3. fixed connection apparatus, 4. back-moving spring, 5. iron
Core positive stop block, 6. magnetic valve iron core, 7. housing, 8. locking bolt adjusting screw, 9. electromagnetic valve coil lead-out wire, 10. wire clamp
Seat, 11. ground loops, 12. electromagnetic valve coils, 13. locking bolts.
Specific embodiment
The present invention is described in more detail with reference to embodiment.
Embodiment 1
A kind of low-voltage ground link error-proof device, described low-voltage ground link error-proof device includes line insulator 2, automatically
The magnetic valve of blocking device, ground connection link.The described upper end of line insulator 2 is used for supports insulative wire 1, and intermediate ends are used for solid
Surely the magnetic valve of self-locking gear is connected；The magnetic valve of described self-locking gear includes cored 6, housing 7, coil
12nd, back-moving spring 4, locking bolt 13 and fixed connection apparatus 3.Described magnetic valve iron core 6 is arranged at the inner chamber of housing 7 and can be along
The axis direction of inner chamber does back and forth movement, and electromagnetic valve coil 12 is fixed in housing 7, and the lead 9 of electromagnetic valve coil two connects
To on the insulated conductor 1 in the wire clamp seat 10 of ground connection whole link device, formed with insulated conductor 1 and be electrically connected, described magnetic valve
In the one end of locking bolt 13 be embedded in magnetic valve iron core 6, and fixed by two regulating bolts 8, the other end can be filled in ground loop
In the ground loop 11 put, axial back and forth movement is made according to the energization situation of magnetic valve coil 12, described goes back on iron core 6
Be provided with due to coil 12 it is electric after produce the back-moving spring 4 that mobile iron core 6 resets, being additionally provided with housing 7 can be by electricity
Magnet valve is fixed on the fixed connection apparatus 3 on line insulator 2；Described ground connection whole link device includes wire clamp seat 10, ground loop
11, described ground loop 11 is fixed on insulated conductor 1 by wire clamp seat 10, and is electrically connected into what is communicated with the type of insulated conductor 1
Connect.The described side of ground loop 11 1 is fixed using glue or is locked on the housing 7 of magnetic valve with bolt.
Also locate in the energized state insulated conductor need to be overhauled when the low-voltage ground link error-proof device of this structure is used,
As shown in figure 3, the electromagnetic valve coil 12 of self-locking gear obtains electric, under electromagnetic force, magnetic valve iron core 6 takes locking bolt to
13 move along axis to the direction of ground loop 11, and at this moment, ground loop 11 is blocked bolt 13 and pins, and operating personnel's inspection earthing line cannot
It is articulated on ground loop 11.Serving prevents the operation purpose of live connection of ground wire.
When the low-voltage ground link error-proof device of this structure is used in the case where overhauling insulated conductor without electricity condition, such as scheme
Shown in 1, the dead electricity of electromagnetic valve coil 12 of self-locking gear, in the effect of the power of magnetic valve back-moving spring 4 of self-locking gear
Under, locking bolt 13 is resetted by magnetic valve iron core 6, at this moment, ground loop 11 is blocked bolt 13 and unlocks, and operating personnel connect maintenance
Ground wire is safely and reliably articulated in the conductive hitching position of ground loop 11.
The not described part of the present embodiment is same as the prior art.
Claims (8)
1. a kind of low-voltage ground link error-proof device, it is characterised in that：Described low-voltage ground link error-proof device includes wired
Road insulator, the magnetic valve of self-locking gear and ground connection whole link device, described line insulator upper end is used to support wire,
Intermediate ends are used to be fixedly connected the magnetic valve of self-locking gear；Described ground connection whole link device includes wire clamp seat and ground connection
Ring, described ground loop forms electrical connection by wire clamp seat with wire, and a side of ground loop is connected to electromagnetism valve housing
On；The magnetic valve of described self-locking gear includes cored, housing, coil, back-moving spring, locking bolt and is fixedly connected dress
Put, described iron core is arranged at housing cavity and can move reciprocatingly along the axis of inner chamber, and coil is installed on the inwall of housing,
Iron core passes through lead-out wire and the wire of coil, coil to be electrically connected, and described locking is tethered and is connected on iron core, and also including makes iron
The back-moving spring that core resets, one end of described back-moving spring is connected with housing, the other end or is connected with iron core or is set in iron
Outside core, iron core drives locking bolt to do the motion of space partition in ground loop ring when coil obtains electric, in dead electricity in reset bullet
Cause iron core to leave ground loop under the drive of spring and open space in ground loop ring, being additionally provided with housing can fix magnetic valve
Attachment means on line insulator.
2. low-voltage ground link error-proof device according to claim 1, it is characterised in that：Described iron core and locking bolt it
Between connection or for the detachable connection of activity, or for the connection of relative position can be changed.
3. low-voltage ground link error-proof device according to claim 2, it is characterised in that：This low-voltage ground link wrong-mounting prevention
Put the locking bolt for including various different length specifications.
4. low-voltage ground link error-proof device according to claim 2, it is characterised in that：Described locking bolt and iron core it
Between position adjustments or be that the axis direction of locking bolt is provided with rows of jack；Between described locking bolt and iron core
Position adjustments are that the axis direction of locking bolt is provided with elongated hole.
5. the low-voltage ground link error-proof device according to claim 3 or 4, it is characterised in that：Company on described housing
Tipping is set to the connection anchor ear that can be connected to magnetic valve on line insulator.
6. low-voltage ground link error-proof device according to claim 5, it is characterised in that：Described housing includes insulation
Shell and end cap, end cap is detachable connection with insulation crust, and attachment means are arranged on end cap.
7. low-voltage ground link error-proof device according to claim 6, it is characterised in that：Described ground loop lower end is arranged
Exposed position is exclusively used in suspension and connects inspection earthing line, and other positions of ground loop are sealed using insulation sleeve.
8. low-voltage ground link error-proof device according to claim 7, it is characterised in that：The lead-out wire of described iron core with
The electrical connection of wire is that the wire clamp seat by lead-out wire through ground connection link is electrically connected with wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934504.XA CN106654626A (en) | 2016-11-01 | 2016-11-01 | Mis-operation prevention device for low-voltage grounding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934504.XA CN106654626A (en) | 2016-11-01 | 2016-11-01 | Mis-operation prevention device for low-voltage grounding ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654626A true CN106654626A (en) | 2017-05-10 |
Family
ID=58821058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610934504.XA Pending CN106654626A (en) | 2016-11-01 | 2016-11-01 | Mis-operation prevention device for low-voltage grounding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654626A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336521A (en) * | 2018-04-11 | 2018-07-27 | 范长东 | A kind of overhead transmission line emergency harness clip |
| CN114361826A (en) * | 2021-10-07 | 2022-04-15 | 国网山东省电力公司潍坊供电公司 | Grounding device, product and method based on logic locking |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201518406U (en) * | 2009-10-26 | 2010-06-30 | 固力发集团有限公司 | Lightning protection grounding wire clip for overhead conductor wire |
| CN202585305U (en) * | 2012-04-11 | 2012-12-05 | 福建省连城县供电有限公司 | High voltage drop switch automatic disconnection device |
| CN202601860U (en) * | 2012-06-08 | 2012-12-12 | 内蒙古东部电力有限公司通辽电业局 | Misoperation-preventive locking device of grounding pile |
-
2016
- 2016-11-01 CN CN201610934504.XA patent/CN106654626A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201518406U (en) * | 2009-10-26 | 2010-06-30 | 固力发集团有限公司 | Lightning protection grounding wire clip for overhead conductor wire |
| CN202585305U (en) * | 2012-04-11 | 2012-12-05 | 福建省连城县供电有限公司 | High voltage drop switch automatic disconnection device |
| CN202601860U (en) * | 2012-06-08 | 2012-12-12 | 内蒙古东部电力有限公司通辽电业局 | Misoperation-preventive locking device of grounding pile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336521A (en) * | 2018-04-11 | 2018-07-27 | 范长东 | A kind of overhead transmission line emergency harness clip |
| CN114361826A (en) * | 2021-10-07 | 2022-04-15 | 国网山东省电力公司潍坊供电公司 | Grounding device, product and method based on logic locking |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |