CN104465162B - Electric load disconnection earthing knife-switch interlocking device - Google Patents
Electric load disconnection earthing knife-switch interlocking device Download PDFInfo
- Publication number
- CN104465162B CN104465162B CN201410822317.3A CN201410822317A CN104465162B CN 104465162 B CN104465162 B CN 104465162B CN 201410822317 A CN201410822317 A CN 201410822317A CN 104465162 B CN104465162 B CN 104465162B
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- Prior art keywords
- divide
- casing
- shut brake
- drive rod
- spanner
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- 230000033001 locomotion Effects 0.000 claims description 23
- 238000002955 isolation Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 210000004247 hand Anatomy 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
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- Braking Arrangements (AREA)
Abstract
The invention provides an electric load disconnection earthing knife-switch interlocking device, and relates to the field of high pressure switch knife-switch interlocking. The interlocking device aims to be better achieve the knife-switch interlocking function, and the safety and reliability in the knife-switch operation process are guaranteed. The electric load disconnection earthing knife-switch interlocking device comprises a box body, linear electric action devices and a closing/opening brake wrench. The linear electric action devices are fixed in the box body. The box body is fixed to the axial side of a rotating shaft of the closing/opening brake wrench, and the interval between the box body and the closing/opening brake wrench ranges from 20 mm to 30 mm. Drive rods of the linear electric action devices are controlled by an electric signal to move to two stations, wherein one of the station prevents the closing/opening brake wrench from rotating, and the other station allows the closing/opening brake wrench to rotate. The electric load disconnection earthing knife-switch interlocking device is suitable for interlocking of a high-pressure switch knife-switch.
Description
Technical field
The present invention relates to high-voltage switch gear disconnecting link interlocking field.
Background technology
High-tension line safeguard or maintenance process in, need to carry out breaking-closing operating, and in operation often by
In artificial or accidental accident, so that the breaking-closing operating of disconnecting link is made a mistake, the situation of automatic closing or separating brake especially occur,
This brings difficulty not only to maintenance and service work, also brings along inconceivable heavy losses simultaneously.
Content of the invention
The present invention proposes a kind of load isolation grounding switch driven interlocking device it is therefore intended that knife can preferably be realized
Lock interlock function, and then ensure safety and reliability during switch operation.
Load isolation grounding switch driven interlocking device includes casing, straight-line electric movement device and divide-shut brake spanner, described
Straight-line electric movement device is fixed in casing, and casing is fixed on the axial side of the rotary shaft of divide-shut brake spanner, and with described point
Between 20mm-30mm, the drive rod of straight-line electric movement device moves under electric signal control in gap between combined floodgate spanner
To two stations: the first: stop the rotation of divide-shut brake spanner, second: allow the rotation of divide-shut brake spanner.
The straight-line electric movement device that above-mentioned load isolates grounding switch driven interlocking device can be specifically divided into two kinds of structures:
The first straight-line electric movement device includes electric magnet, armature, two limiting plates, fixed plate, two drive rods, supports
Plate, two springs and two baffle plates, described electric magnet is fixed on the interior away from divide-shut brake spanner side for the casing, electric magnet
For adhesive or release armature, described two limiting plates are fixed on the left and right sides of electric magnet, and armature is between two limiting plates
Axial direction along the rotary shaft of divide-shut brake spanner reciprocatingly moves, and the top of armature is provided with fixed plate, gripper shoe be located at fixed plate and
Casing closes between the side plate of divide-shut brake spanner, and gripper shoe is fixedly connected with casing, and one end of two drive rods is fixed on
In described fixed plate, and the axis of each drive rod is all parallel with the rotary shaft of divide-shut brake spanner, described two drive rods
The other end all sequentially passes through gripper shoe and casing closes on the side plate of divide-shut brake spanner side, when armature is discharged by electric magnet, institute
State drive rod positioned at the length outside casing more than the gap 10mm-20mm between casing and divide-shut brake spanner, when armature is electric
During magnet attraction, described drive rod is retracted to box house, and the length that described drive rod is located at outside casing is less than casing and divides
Gap 10mm-20mm between combined floodgate spanner, each drive rod described is equipped with a baffle plate, and described baffle plate is located at gripper shoe
With casing closes between the side plate of divide-shut brake spanner, each drive rod is all cased with a spring, the two ends of this spring are pressed respectively
Between gripper shoe and baffle plate.
Second: straight-line electric movement device includes two straight-line electric action devices, described two straight-line electric action devices are parallel solid
It is scheduled on inside the side plate away from divide-shut brake spanner side for the casing, the end of the drive rod of two straight-line electric action devices both passes through to be closed on
Stretch out after the side plate of divide-shut brake spanner side outside this side plate, when straight-line electric action device controls drive rod to closing on divide-shut brake spanner
When direction is mobile, described drive rod stretches out to the outside of casing, and the length that described drive rod is located at outside casing is more than casing and divides
Gap 10mm-20mm between combined floodgate spanner, when straight-line electric action device controls drive rod to move to away from divide-shut brake spanner direction
When, described drive rod is retracted to box house, described screw rod be located at the outside length of casing be less than casing and divide-shut brake spanner it
Between gap 10mm-20mm；Each straight-line electric action device all includes set casing, electric magnet, armature, drive rod, catch and spring,
Set casing is enclosed within the outside of electric magnet, carries through hole in the middle of described electric magnet, and one end of drive rod is inserted in this through hole, drive rod
The other end pass through set casing after extend to outside casing, drive rod is fixedly connected with armature, and drive rod is fixed with catch, keep off
Piece is located at set casing and casing closes between the side wall of divide-shut brake spanner, and each drive rod is all cased with a spring, described bullet
The two ends of spring are press respectively against on set casing and catch.
Beneficial effect: the present invention is improved on the basis of existing disconnecting link interlock and innovated, by outside
In equipment straight-line electric movement device, magnet spool is energized, and enables electric magnet adhesive or release armature, so that point
Combined floodgate spanner forms two kinds of stations, i.e. when electromagnetic actuation armature, make the drive rod being in outside casing be retractable to casing
In, so that divide-shut brake spanner can clog-free be rotated, when electric magnet release armature, due to being in drive rod outside casing
Inhibition, so that divide-shut brake spanner cannot be carried out rotating, realizes the locking to divide-shut brake spanner, along with divide-shut brake spanner
Original locking mechanism, thus obtaining more preferable locking effect, more ensure that safety during operation.
Brief description
Fig. 1 and Fig. 2 is the structural representation of the load isolation grounding switch driven interlocking device described in specific embodiment two
Figure；Wherein, Fig. 1 represents that the drive rod 5 of straight-line electric movement device stops the work of divide-shut brake spanner rotation under electric signal control
The state of position, now, two drive rods 5 of straight-line electric movement device stretch out, and are close to divide-shut brake spanner, and then achieve resistance
The effect that only divide-shut brake spanner rotates；Fig. 2 represents that the drive rod 5 of straight-line electric movement device allows division under electric signal control
The state of the station of lock spanner rotation, now, two drive rods 5 of straight-line electric movement device are retracted, and enable divide-shut brake spanner
Realize rotary motion；
Fig. 3 and Fig. 4 is the structure of the load isolation grounding switch driven interlocking device described in specific embodiment four and five
Schematic diagram；Wherein, Fig. 3 represents that the drive rod 13 of straight-line electric action device 10 stops divide-shut brake spanner to rotate under electric signal control
Station state, now, the drive rod 13 of straight-line electric action device 10 stretches out, and is close to divide-shut brake spanner, and then achieves
Stop the effect that divide-shut brake spanner rotates；Fig. 4 represents that the drive rod 13 of straight-line electric action device 10 allows under electric signal control
The state of the station of divide-shut brake spanner rotation, now, the drive rod 13 of straight-line electric action device is retracted, and enables divide-shut brake spanner real
Existing rotary motion.
Specific embodiment
Load isolation grounding switch driven interlocking device described in specific embodiment one, this specific embodiment includes case
Body 1, straight-line electric movement device and divide-shut brake spanner, described straight-line electric movement device is fixed in casing 1, and casing 1 is fixed on point
The axial side of the rotary shaft of combined floodgate spanner, and the gap and described divide-shut brake spanner between is between 20mm-30mm, straight-line electric
The drive rod of movement device moves to two stations under electric signal control: the first: stop divide-shut brake spanner from rotating, second
Kind: allow the rotation of divide-shut brake spanner.
In present embodiment, by the control of external electrical signal, the drive rod making straight-line electric movement device is in divide-shut brake
The top of spanner moves back and forth, and then realizes limiting to whether divide-shut brake spanner rotates, and realizes remotely control, prevents scene
Any moving wrench of personnel, it is also possible to effectively lock to the operating position of divide-shut brake.
Specific embodiment two, this specific embodiment, this specific embodiment and specific embodiment are described with reference to Fig. 1
The difference that load described in one isolates grounding switch driven interlocking device is, described straight-line electric movement device include electric magnet 8,
3, two limiting plates 9 of armature, 4, two drive rods 5 of fixed plate, 6, two springs 7 of gripper shoe and two baffle plates 17, described electromagnetism
Ferrum 8 is fixed on the interior away from divide-shut brake spanner side for the casing 1, and electric magnet 8 is used for adhesive or discharges armature 3, and described two
Individual limiting plate 9 is fixed on the left and right sides of electric magnet 8, and armature 3 is between two limiting plates 9 along the rotary shaft of divide-shut brake spanner
Axially reciprocatingly move, the top of armature 3 is provided with fixed plate 4, gripper shoe 6 is located at fixed plate 4 and casing 1 closes on divide-shut brake spanner
Side plate between, and gripper shoe 6 is fixedly connected with casing 1, and one end of two drive rods 5 is fixed in described fixed plate 4, and
And the axis of each drive rod 5 is all parallel with the rotary shaft of divide-shut brake spanner, the other end of described two drive rods 5 is all worn successively
Cross gripper shoe 6 and casing 1 closes on the side plate of divide-shut brake spanner side, when armature 3 is discharged by electric magnet 8, described drive rod 5
Length outside in casing 1 is more than the gap 10mm-20mm between casing 1 and divide-shut brake spanner, when armature 3 is inhaled by electric magnet 8
During conjunction, described drive rod 5 is retracted to the inside of casing 1, and the length that described drive rod 5 is located at outside casing 1 is less than casing 1 and division
Gap 10mm-20mm between lock spanner, each drive rod 5 described is equipped with a baffle plate 17, and described baffle plate 17 is located at and props up
Fagging 6 and casing 1 close between the side plate of divide-shut brake spanner, and each drive rod 5 is all cased with a spring 7, and the two of this spring 7
End is press respectively against between gripper shoe 6 and baffle plate 17.
In present embodiment, external equipment is by the coil electricity in electric magnet 8, making electric magnet 8 adhesive armature, armature
Drive rod 5 is driven to move to the direction away from divide-shut brake spanner, until drive rod 5 retracted position can make divide-shut brake spanner certainly
By rotating such that it is able to operate to divide-shut brake spanner, when external equipment makes coil blackout, armature is due to the anti-work of spring
Firmly, make drive rod 5 to the side shifting closing on divide-shut brake spanner, until the part that drive rod 5 is located at outside casing 1 is located at and divides
The top of combined floodgate spanner, thus realizing hindering the purpose of divide-shut brake spanner rotation, also achieves the position to divide-shut brake spanner simultaneously
Put locking.
Specific embodiment three, this specific embodiment and the load isolation grounding switch electricity described in specific embodiment two
The difference of dynamic interlock is, it also includes multiple binding posts, and the plurality of binding post is fixed in casing 1, coil
Signal transmission is realized by binding post and external equipment.
Specific embodiment four, this specific embodiment, this specific embodiment and specific embodiment are described with reference to Fig. 4
The difference that load described in one isolates grounding switch driven interlocking device is, described straight-line electric movement device includes two straight lines
Electronic make device 10, described two straight-line electric action devices 10 are parallel to be fixed on inside the side plate away from divide-shut brake spanner side for the casing 1,
The end of the drive rod of two straight-line electric action devices 10 is stretched out outside this side plate after both passing through the side plate closing on divide-shut brake spanner side
Side, when straight-line electric action device 10 control drive rod to close on divide-shut brake spanner direction mobile when, described drive rod is to the outside of casing
Stretch out, the length that described drive rod is located at outside casing 1 is more than the gap 10mm-20mm between casing 1 and divide-shut brake spanner, when
Straight-line electric action device 10 controls drive rod to when moving away from divide-shut brake spanner direction, and described drive rod is retracted to the inside of casing 1,
The length that described drive rod is located at outside casing 1 is less than the gap 10mm-20mm between casing 1 and divide-shut brake spanner.
In present embodiment, external equipment passes through two straight-line electric action devices 10 are energized, and so that straight-line electric action device 10 is carried
Dynamic drive rod moves reciprocatingly, when straight-line electric action device drives drive rod to move to the direction away from divide-shut brake spanner and until drives
Lever retracted position can make divide-shut brake spanner freely rotatable such that it is able to operate to divide-shut brake spanner, when outside sets
For when making straight-line electric action device power-off, due to the counteracting force of spring, make drive rod to the side shifting closing on divide-shut brake spanner,
Until the part that drive rod is located at outside casing 1 is located at the top of divide-shut brake spanner, thus realizing hindering the rotation of divide-shut brake spanner
Purpose, also achieve to the locking of the position of divide-shut brake spanner simultaneously.
Specific embodiment five, this specific embodiment, this specific embodiment and specific embodiment are described with reference to Fig. 4
The difference that load described in four isolates grounding switch driven interlocking device is, described straight-line electric action device 10 includes set casing
12nd, electric magnet 11, armature, drive rod 13, catch 15 and spring 14, set casing 12 is enclosed within the outside of electric magnet 11, described electromagnetism
Through hole is carried, one end of drive rod 13 is inserted in this through hole, and the other end of drive rod 13 prolongs after passing through set casing 12 in the middle of ferrum 11
Extend outside casing, drive rod 13 is fixedly connected with armature, drive rod 13 is fixed with catch 15, catch 15 is located at set casing 12
And casing 1 closes between the side wall of divide-shut brake spanner, each drive rod 13 is all cased with a spring 14, the two of described spring 14
End is press respectively against on set casing 12 and catch 15.
In present embodiment, external equipment, by the coil electricity in electric magnet 11, making electric magnet 11 adhesive armature, is held in the mouth
Sheet iron strip moves drive rod 13 and moves to the direction away from divide-shut brake spanner, until drive rod 13 retracted position can make divide-shut brake pull
Handss freely rotatable such that it is able to operate to divide-shut brake spanner, when external equipment makes coil blackout, armature is due to spring
Counteracting force, makes drive rod 13 to the side shifting closing on divide-shut brake spanner, until drive rod 13 is located at the part outside casing 1
Positioned at the top of divide-shut brake spanner, thus realizing hindering the purpose of divide-shut brake spanner rotation, also achieving simultaneously and divide-shut brake is pulled
The position locking of handss.
Specific embodiment six, this specific embodiment and the load isolation earthing described in specific embodiment four or five
The difference of lock driven interlocking device is, it also includes multiple binding posts, and the plurality of binding post is fixed in casing 1,
Two straight-line electric action devices 10 all realize signal transmission by binding post and external equipment, and two straight-line electric action devices 10 lead to
Cross binding post and realize linkage.
In present embodiment, just enable divide-shut brake is pulled after external equipment is all energized to two straight-line electric action devices 10
Obstruction or permission that handss rotate, more ensure that reliability and the safety of this device.
Specific embodiment seven, this specific embodiment and the load isolation earthing described in specific embodiment two or four
The difference of lock driven interlocking device is, the running voltage of described electric magnet is ac220v.
Specific embodiment eight, present embodiment and the isolation grounding switch of the load described in specific embodiment one are electronic mutually
The difference of locking device is, it also includes travel switch 16, and described travel switch 16 is fixed on casing 1 and closes on divide-shut brake spanner
On the avris of side wall, for detecting whether divide-shut brake spanner is off.
In present embodiment, by travel switch 16, whether divide-shut brake spanner is off detecting, thus
It is capable of remote detection.
Claims (2)
1. load isolation grounding switch driven interlocking device it is characterised in that it include casing (1), straight-line electric movement device and
Divide-shut brake spanner, described straight-line electric movement device is fixed in casing (1), and casing (1) is fixed on the rotary shaft of divide-shut brake spanner
Axial side, and the gap and described divide-shut brake spanner between is between 20mm-30mm, the drive rod of straight-line electric movement device
Two stations are moved under electric signal control: the first: stop the rotation of divide-shut brake spanner, second: allow divide-shut brake to pull
Handss rotate；
Described straight-line electric movement device includes electric magnet (8), armature (3), two limiting plates (9), fixed plate (4), two drivings
Bar (5), gripper shoe (6), two springs (7) and two baffle plates (17), described electric magnet (8) is fixed on casing (1) away from division
The interior of lock spanner side, electric magnet (8) is used for adhesive or release armature (3), and described two limiting plates (9) are fixed on electricity
The left and right sides of Magnet (8), armature (3) axial direction along the rotary shaft of divide-shut brake spanner between two limiting plates (9) is done back and forth
Mobile, the top of armature (3) is provided with fixed plate (4), and gripper shoe (6) is located at fixed plate (4) and casing (1) closes on divide-shut brake spanner
Side plate between, and gripper shoe (6) is fixedly connected with casing (1), and one end of two drive rods (5) is fixed on described fixed plate
(4) on, and the axis of each drive rod (5) is all parallel with the rotary shaft of divide-shut brake spanner, described two drive rods (5) another
One end all sequentially passes through gripper shoe (6) and casing (1) closes on the side plate of divide-shut brake spanner side, when armature (3) is by electric magnet (8)
During release, described drive rod (5) is located at the outside length of casing (1) and is more than the gap between casing (1) and divide-shut brake spanner
10mm-20mm, when armature (3) is by electric magnet (8) adhesive, described drive rod (5) is retracted to the inside of casing (1), described driving
Bar (5) is located at the gap 10mm-20mm that the outside length of casing (1) is less than between casing (1) and divide-shut brake spanner, described each
One baffle plate (17) is equipped with drive rod (5), described baffle plate (17) is located at gripper shoe (6) and casing (1) closes on divide-shut brake and pulls
Between the side plate of handss, each drive rod (5) is all cased with a spring (7), the two ends of this spring (7) are press respectively against gripper shoe
(6) and baffle plate (17) between.
2. load according to claim 1 isolation grounding switch driven interlocking device it is characterised in that it also include multiple
Binding post, the plurality of binding post is fixed in casing (1), and coil is realized signal by binding post and external equipment and passed
Defeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822317.3A CN104465162B (en) | 2014-12-24 | 2014-12-24 | Electric load disconnection earthing knife-switch interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410822317.3A CN104465162B (en) | 2014-12-24 | 2014-12-24 | Electric load disconnection earthing knife-switch interlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465162A CN104465162A (en) | 2015-03-25 |
| CN104465162B true CN104465162B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410822317.3A Expired - Fee Related CN104465162B (en) | 2014-12-24 | 2014-12-24 | Electric load disconnection earthing knife-switch interlocking device |
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| CN (1) | CN104465162B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731608B (en) * | 2017-11-08 | 2024-04-12 | 北京北开电气股份有限公司 | High-voltage insulation multi-circle transmission structure |
| CN110384959B (en) * | 2019-07-02 | 2021-05-07 | 安徽中科国祺环境科技有限公司 | A high-efficient type flocculation and precipitation equipment for sewage treatment's clearance of being convenient for |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6958456B1 (en) * | 2004-08-25 | 2005-10-25 | Eaton Corporation | Positive locking, trigger grip, external operating handle assembly for network protector enclosures |
| CN202373485U (en) * | 2011-12-28 | 2012-08-08 | 黑龙江省电力有限公司齐齐哈尔超高压公司 | Switching operation protector for substation |
| CN203445024U (en) * | 2013-08-09 | 2014-02-19 | 西门子（上海）电气传动设备有限公司 | Locking device of earthing switch and earthing switch comprising same |
| CN204348548U (en) * | 2014-12-24 | 2015-05-20 | 国家电网公司 | Load isolation grounding switch driven interlocking device |
-
2014
- 2014-12-24 CN CN201410822317.3A patent/CN104465162B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6958456B1 (en) * | 2004-08-25 | 2005-10-25 | Eaton Corporation | Positive locking, trigger grip, external operating handle assembly for network protector enclosures |
| CN202373485U (en) * | 2011-12-28 | 2012-08-08 | 黑龙江省电力有限公司齐齐哈尔超高压公司 | Switching operation protector for substation |
| CN203445024U (en) * | 2013-08-09 | 2014-02-19 | 西门子（上海）电气传动设备有限公司 | Locking device of earthing switch and earthing switch comprising same |
| CN204348548U (en) * | 2014-12-24 | 2015-05-20 | 国家电网公司 | Load isolation grounding switch driven interlocking device |
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| Publication number | Publication date |
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| CN104465162A (en) | 2015-03-25 |
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Granted publication date: 20170118 |