CN107564750A - A kind of mechanical interlocks being used between disconnecting switch and earthed switch - Google Patents
A kind of mechanical interlocks being used between disconnecting switch and earthed switch Download PDFInfo
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- CN107564750A CN107564750A CN201710984857.5A CN201710984857A CN107564750A CN 107564750 A CN107564750 A CN 107564750A CN 201710984857 A CN201710984857 A CN 201710984857A CN 107564750 A CN107564750 A CN 107564750A
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- lock collar
- switch
- disconnecting switch
- collar
- earthed switch
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Abstract
A kind of mechanical interlocks being used between disconnecting switch and earthed switch, including disconnecting switch lock collar, earthed switch lock collar and jam plate, disconnecting switch lock collar is located at one end of jam plate, earthed switch lock collar is located at the other end of jam plate, and disconnecting switch lock collar and earthed switch lock collar are flexibly connected with jam plate respectively；One end of jam plate is provided with columned first stop collar, and the other end is provided with columned second stop collar；Disconnecting switch is closed a floodgate, and the rotation of disconnecting switch lock collar, earthed switch lock collar is locked by the second stop collar, and limitation earthed switch closes a floodgate；Earthed switch is closed a floodgate, and the rotation of earthed switch lock collar, disconnecting switch lock collar is locked by the first stop collar, and limitation disconnecting switch is closed a floodgate.The present invention can reduce the setting height(from bottom) of mechanical interlocks, make staff more convenient in installation, debugging and maintenance process, and can realize progress repair and maintenance work under non-power down mode.
Description
Technical field
The present invention relates to electrical equipment technical field, is specifically related to a kind of machine being used between disconnecting switch and earthed switch
Tool interlock.
Background technology
In electrical power distribution electric system, outdoor high-voltage alternating current isolating switch is often supporting with outdoor high voltage AC earthing switch
Use, such as double ground connection outdoor high-voltage isolating switch, single ground connection outdoor high-voltage ground disconnecting switch, it is even have to compare be widely applied,
When overhauling electrical power distribution electric system, it is necessary to disconnect the electric power of repair apparatus, even if disconnecting switch separating brake, make to be overhauled
Equipment has safe distance visible enough, establishes reliable clearance for insulation, ensures the safety of maintainer and equipment, in order to ensure
The safety of staff, it is also necessary to closed ground switch, make to be in ground state by repair apparatus, i.e., switch to examine by repair apparatus
Repair state.So the divide-shut brake of disconnecting switch and earthed switch is operated frequently with interlock, interlock makes to keep apart
Pass and earthed switch can not close a floodgate simultaneously, i.e., earthed switch does not allow to close a floodgate when disconnecting switch is closed a floodgate, when earthed switch closes a floodgate
Disconnecting switch does not allow to close a floodgate.
In specified alternating voltage 550kV and the above voltage power system, mechanical interlocks is usually mounted to switch
Transmission portion, structure type is complicated, has the aerial of certain distance from the ground because disconnecting switch is usually required to be mounted at, therefore,
The mechanical interlocks terrain clearance for being installed on switch transmission portion generally lies in 4 ~ 6 meters or so, and installation and debugging are extremely inconvenient, and
And the required interruption maintenance of maintenance.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of above-mentioned background technology, there is provided one kind is used to keep apart
Close the mechanical interlocks between earthed switch, the setting height(from bottom) of mechanical interlocks can be reduced, make staff installation,
It is more convenient in debugging and maintenance process, and progress repair and maintenance work under non-power down mode can be realized.
The present invention solves the technical scheme that its technical problem uses, a kind of machine being used between disconnecting switch and earthed switch
Tool interlock, including disconnecting switch lock collar, earthed switch lock collar and jam plate, the disconnecting switch lock collar are located at the one of jam plate
End, the earthed switch lock collar be located at jam plate the other end, the disconnecting switch lock collar and earthed switch lock collar respectively with jam plate
It is flexibly connected；One end of the jam plate is provided with columned first stop collar, and the other end is provided with columned second stop collar；Every
Leave and close lock, the rotation of disconnecting switch lock collar, earthed switch lock collar is locked by the second stop collar, and limitation earthed switch closes a floodgate；Connect
Ground switch is closed a floodgate, and the rotation of earthed switch lock collar, disconnecting switch lock collar is locked by the first stop collar, and limitation disconnecting switch is closed a floodgate.
Further, one end of the jam plate is provided with the first lock collar hole of strip, and the other end of jam plate is provided with strip
Second lock collar hole, the disconnecting switch lock collar are located in the first lock collar hole, and disconnecting switch lock collar can rotate in the first lock collar hole,
The earthed switch lock collar is located in the second lock collar hole, and earthed switch lock collar can rotate in the second lock collar hole.
Further, the disconnecting switch lock collar includes the first lock collar body, and the first lock collar body is to be provided with the first U-shaped breach
The first plectane, the first locking anchor ear for embracing lock disconnecting switch vertical links is provided with the first U-shaped breach, first locking is embraced
Hoop is fixedly connected with the first plectane located at the center of the first plectane, the first arc notch is provided with the outside of first plectane.
Further, the earthed switch lock collar includes the second lock collar body, and the second lock collar body is to be provided with the second U-shaped breach
The second plectane, the second locking anchor ear for embracing lock earthed switch vertical links is provided with the second U-shaped breach, second locking is embraced
Hoop is fixedly connected with the second plectane located at the center of the second plectane, the second arc notch is provided with the outside of second plectane.
Further, disconnecting switch vertical links rotation, makes disconnecting switch close a floodgate, disconnecting switch vertical links drive every
Leave and shut disc spins, the first stop collar skids off from the first arc notch of disconnecting switch lock collar, promotes jam plate to be moved to the left, makes
Second stop collar is caught in the second arc notch of earthed switch lock collar, and earthed switch lock collar is locked by the second stop collar, limitation
Earthed switch closes a floodgate；The earthed switch vertical links rotation, makes earthed switch close a floodgate, earthed switch vertical links drives ground connection
Switch lock disc spins, the second stop collar skid off from the second arc notch of earthed switch lock collar, promote jam plate to move right, and make the
One stop collar is caught in the first arc notch of disconnecting switch lock collar, and disconnecting switch lock collar is locked by the first stop collar, limit every
Leave and close lock.
Further, the jam plate includes upper lock plate and lower locking plate, and one end of upper lock plate and lower locking plate is provided with the first lock collar hole,
The other end of upper lock plate and lower locking plate is provided with the second lock collar hole, and the disconnecting switch lock collar is located between upper lock plate and lower locking plate,
The upper end of the first locking anchor ear is stretched out from the first lock collar hole of upper lock plate, the lower end of the first locking anchor ear from lower locking plate the
One lock collar hole is stretched out；The earthed switch lock collar is located between upper lock plate and lower locking plate, the upper end of the second locking anchor ear from
Second lock collar hole of upper lock plate is stretched out, and the lower end of the second locking anchor ear is stretched out from the second lock collar hole of lower locking plate.
Further, incidence regulating mechanism is additionally provided with the jam plate, incidence regulating mechanism includes duplex pull rod, the first regulation silk
Bar, the second regulation screw mandrel, the 3rd regulation screw mandrel and the 4th regulation screw mandrel, the jam plate are divided into disconnecting switch jam plate by duplex pull rod
With earthed switch jam plate, the disconnecting switch jam plate is connected by the first regulation screw mandrel, the second regulation screw mandrel with duplex pull rod one end,
The earthed switch jam plate is connected by the 3rd regulation screw mandrel, the 4th regulation screw mandrel with the duplex pull rod other end.
Compared with prior art, advantages of the present invention is as follows：
It is installed on the vertical links for the operating mechanism for driving switch switching, the installation that can reduce mechanical interlocks is high
Degree, make staff more convenient in installation, debugging and maintenance process, and can realize and repair and maintenance is carried out under non-power down mode
Work.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation that embodiment illustrated in fig. 1 is installed on vertical links.
Fig. 3 is the structural representation of the disconnecting switch lock collar of embodiment illustrated in fig. 1.
Fig. 4 is the structural representation of the earthed switch lock collar of embodiment illustrated in fig. 1.
Fig. 5 is embodiment illustrated in fig. 1 disconnecting switch and earthed switch is in the mechanical interlocks of gate-dividing state and shown
It is intended to（Disconnecting switch lock collar is in the SBR that rotation is closed a floodgate）.
Fig. 6 is the schematic diagram for the mechanical interlocks that embodiment illustrated in fig. 1 disconnecting switch is closed a floodgate, earthed switch is locked.
Fig. 7 is embodiment illustrated in fig. 1 disconnecting switch and earthed switch is in the mechanical interlocks of gate-dividing state and shown
It is intended to（Earthed switch lock collar is in the SBR that rotation is closed a floodgate）.
Fig. 8 is the schematic diagram for the mechanical interlocks that embodiment illustrated in fig. 1 earthed switch closes a floodgate, disconnecting switch is locked.
Fig. 9 is the schematic diagram that embodiment illustrated in fig. 1 is in angle of inclination.
In figure：1-the first stop collar, 2-disconnecting switch lock collar, 3-disconnecting switch jam plate, the 4-the first regulation screw mandrel,
5-the second regulation screw mandrel, 6-duplex pull rod, the 7-the three regulation screw mandrel, the 8-the four regulation screw mandrel, 9-earthed switch jam plate,
10-earthed switch lock collar, 11-disconnecting switch vertical links, 12-earthed switch vertical links, the lock collar bodies of 2-1-first,
The locking anchor ears of 2-2-first, the lock collar bodies of 10-1-second, the locking anchor ears of 10-2-second.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Reference picture 1, the present embodiment include disconnecting switch lock collar 2, earthed switch lock collar 10 and jam plate, disconnecting switch lock collar 2
Located at one end of jam plate, earthed switch lock collar 10 is located at the other end of jam plate, and disconnecting switch lock collar 2 and earthed switch lock collar 10 are divided
It is not flexibly connected with jam plate.Disconnecting switch lock collar 2 is installed on disconnecting switch vertical links 11, and earthed switch lock collar 10 is installed on
On earthed switch vertical links 12.One end of jam plate is provided with columned first stop collar 1, and the other end is provided with columned second
Stop collar.
Disconnecting switch is closed a floodgate, and disconnecting switch lock collar 2 rotates, and earthed switch lock collar 10 is locked by the second stop collar, and limitation connects
Ground switch closes a floodgate；Earthed switch closes a floodgate, and earthed switch lock collar 10 rotates, and disconnecting switch lock collar 2 is locked by the first stop collar 1, limit
Disconnecting switch processed is closed a floodgate.
One end of jam plate is provided with the first lock collar hole of strip, and the other end of jam plate is provided with the second lock collar hole of strip,
Disconnecting switch lock collar 2 is located in the first lock collar hole, and disconnecting switch lock collar 2 can rotate in the first lock collar hole, earthed switch lock collar
10 are located in the second lock collar hole, and earthed switch lock collar 10 can rotate in the second lock collar hole.
Reference picture 2, disconnecting switch lock collar 2 include the first lock collar body 2-1, the first lock collar body 2-1 to be provided with the first U-shaped
First plectane of breach, is provided with the first locking anchor ear 2-2 for embracing lock disconnecting switch vertical links 11 in the first U-shaped breach, and first
Locking anchor ear 2-2 is located at the center of the first plectane, is fixedly connected with the first plectane, the first arc is provided with the outside of the first plectane and is lacked
Mouthful.
Reference picture 3, earthed switch lock collar 10 include the second lock collar body 10-1, the second lock collar body 10-1 to be provided with second
Second plectane of U-shaped breach, the second U-shaped breach is interior to be provided with the second locking anchor ear 10-2 for embracing lock earthed switch vertical links 12,
Second locking anchor ear 10-2 is located at the center of the second plectane, is fixedly connected with the second plectane, second is provided with the outside of the second plectane
Arc notch.
Reference picture 4, isolator operating mechanism drive disconnecting switch vertical links 11 to rotate, disconnecting switch is closed a floodgate, every
Leaving pass vertical links 11 drives disconnecting switch lock collar 2 to rotate, and the first stop collar 1 lacks from the first arc of disconnecting switch lock collar 2
Mouth skids off, and promotes jam plate to be moved to the left, the second stop collar is caught in the second arc notch of earthed switch lock collar 10, ground connection is opened
It is locked by the second stop collar to shut disk 10, limitation earthed switch closes a floodgate, and mechanical interlocks becomes Fig. 6 states by Fig. 5 states.
Reference picture 4, earthing switch operating mechanism drive earthed switch vertical links 12 to rotate, earthed switch is closed a floodgate, connect
Ground switch vertical links 12 drives earthed switch lock collar 10 to rotate, and the second stop collar lacks from the second arc of earthed switch lock collar 10
Mouth skids off, and promotes jam plate to move right, the first stop collar 1 is caught in the first arc notch of disconnecting switch lock collar 2, keep apart
It is locked by the first stop collar 1 to shut disk 2, limitation disconnecting switch is closed a floodgate, and mechanical interlocks becomes Fig. 8 states by Fig. 7 states.
Reference picture 1, jam plate include upper lock plate and lower locking plate, and one end of upper lock plate and lower locking plate is provided with the first lock collar hole, on
The other end of jam plate and lower locking plate is provided with the second lock collar hole, and disconnecting switch lock collar 2 is located between upper lock plate and lower locking plate, and first
The upper end of locking anchor ear is stretched out from the first lock collar hole of upper lock plate, and the lower end of the first locking anchor ear is from the first lock collar hole of lower locking plate
Stretch out；Earthed switch lock collar 10 is located between upper lock plate and lower locking plate, and the upper end of the second locking anchor ear is locked from the second of upper lock plate
Disk hole is stretched out, and the lower end of the second locking anchor ear is stretched out from the second lock collar hole of lower locking plate.Pass through spiral shell between upper lock plate and lower locking plate
Nail connection.
Reference picture 1, Fig. 9, incidence regulating mechanism is additionally provided with jam plate, and incidence regulating mechanism includes duplex pull rod 6, first and adjusted
Screw mandrel 4, second adjusts screw mandrel the 5, the 3rd and adjusts the regulation screw mandrel 8 of screw mandrel 7 and the 4th, and jam plate is divided into disconnecting switch by duplex pull rod 6
Jam plate 3 and earthed switch jam plate 9, disconnecting switch jam plate 3 adjust screw mandrel 5 and duplex pull rod 6 one by the first regulation screw mandrel 4, second
End connection, earthed switch jam plate 9 adjust screw mandrel 8 by the 3rd regulation screw mandrel the 7, the 4th and are connected with the other end of duplex pull rod 6.Work as isolation
When switching vertical links 11 or the inclination of earthed switch vertical links 12, incidence regulating mechanism can be passed through and adjust mechanical interlocks
Angle, make its keep level state, card will not be caused to relate to.
The transmission portion of switch, mechanical interlocks of the invention, peace are installed on different from existing mechanical interlocks
On vertical links loaded on the operating mechanism for driving switch switching, the setting height(from bottom) of mechanical interlocks can be reduced, makes work
It is more convenient in installation, debugging and maintenance process to make personnel, and progress repair and maintenance work under non-power down mode can be realized.
Present invention is particularly suitable in the power system of rated voltage 550kV-1100kV high pressures, for high voltage isolator with
Mechanical latching is used between ground connection pass is opened, and prevents the artificial mechanical maloperation between outdoor high-voltage isolating switch and earthed switch.
Those skilled in the art can carry out various modifications and variations to the present invention, if these modifications and variations are at this
Within the scope of invention claim and its equivalent technologies, then these modifications and variations are also within protection scope of the present invention.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (7)
- A kind of 1. mechanical interlocks being used between disconnecting switch and earthed switch, it is characterised in that：Including disconnecting switch lock collar, Earthed switch lock collar and jam plate, the disconnecting switch lock collar are located at one end of jam plate, and the earthed switch lock collar is located at jam plate The other end, the disconnecting switch lock collar and earthed switch lock collar are flexibly connected with jam plate respectively；One end of the jam plate is provided with circle First stop collar of column, the other end are provided with columned second stop collar；Disconnecting switch is closed a floodgate, the rotation of disconnecting switch lock collar, Earthed switch lock collar is locked by the second stop collar, and limitation earthed switch closes a floodgate；Earthed switch closes a floodgate, the rotation of earthed switch lock collar, Disconnecting switch lock collar is locked by the first stop collar, and limitation disconnecting switch is closed a floodgate.
- 2. the mechanical interlocks as claimed in claim 1 being used between disconnecting switch and earthed switch, it is characterised in that：It is described One end of jam plate is provided with the first lock collar hole of strip, and the other end of jam plate is provided with the second lock collar hole of strip, the isolation Switch lock collar to be located in the first lock collar hole, disconnecting switch lock collar can be rotated in the first lock collar hole, and the earthed switch lock collar is set In the second lock collar hole, earthed switch lock collar can rotate in the second lock collar hole.
- 3. the mechanical interlocks as claimed in claim 1 being used between disconnecting switch and earthed switch, it is characterised in that：It is described Disconnecting switch lock collar includes the first lock collar body, and the first lock collar body is the first plectane for being provided with the first U-shaped breach, the first U-shaped The the first locking anchor ear for embracing lock disconnecting switch vertical links is provided with breach, the first locking anchor ear is located in the first plectane The heart, it is fixedly connected with the first plectane, the first arc notch is provided with the outside of first plectane.
- 4. the mechanical interlocks being used between disconnecting switch and earthed switch as any one of claim 1-3, it is special Sign is：The earthed switch lock collar includes the second lock collar body, and the second lock collar body is the second circle for being provided with the second U-shaped breach Plate, is provided with the second locking anchor ear for embracing lock earthed switch vertical links in the second U-shaped breach, and the second locking anchor ear is located at the The center of two plectanes, it is fixedly connected with the second plectane, the second arc notch is provided with the outside of second plectane.
- 5. the mechanical interlocks as claimed in claim 4 being used between disconnecting switch and earthed switch, it is characterised in that：It is described Disconnecting switch vertical links rotates, and disconnecting switch is closed a floodgate, and disconnecting switch vertical links drives disconnecting switch lock collar to rotate, and first Stop collar skids off from the first arc notch of disconnecting switch lock collar, promotes jam plate to be moved to the left, the second stop collar is caught in ground connection In the second arc notch for switching lock collar, earthed switch lock collar is locked by the second stop collar, and limitation earthed switch closes a floodgate；It is described to connect Ground switch vertical links rotation, makes earthed switch close a floodgate, and earthed switch vertical links drives the rotation of earthed switch lock collar, the second limit Position set skids off from the second arc notch of earthed switch lock collar, promotes jam plate to move right, is caught in the first stop collar and keeps apart Shut in the first arc notch of disk, disconnecting switch lock collar is locked by the first stop collar, and limitation disconnecting switch is closed a floodgate.
- 6. the mechanical interlocks as claimed in claim 4 being used between disconnecting switch and earthed switch, it is characterised in that：It is described Jam plate includes upper lock plate and lower locking plate, and one end of upper lock plate and lower locking plate is provided with the first lock collar hole, upper lock plate and lower locking plate it is another One end is provided with the second lock collar hole, and the disconnecting switch lock collar is located between upper lock plate and lower locking plate, the first locking anchor ear Upper end is stretched out from the first lock collar hole of upper lock plate, and the lower end of the first locking anchor ear is stretched out from the first lock collar hole of lower locking plate；It is described Earthed switch lock collar is located between upper lock plate and lower locking plate, and the upper end of the second locking anchor ear is from the second lock collar hole of upper lock plate Stretch out, the lower end of the second locking anchor ear is stretched out from the second lock collar hole of lower locking plate.
- 7. the mechanical interlocks being used between disconnecting switch and earthed switch as any one of claim 1-3, it is special Sign is：Incidence regulating mechanism is additionally provided with the jam plate, incidence regulating mechanism includes duplex pull rod, the first regulation screw mandrel, second Adjust screw mandrel, the 3rd regulation screw mandrel and the 4th regulation screw mandrel, the jam plate and disconnecting switch jam plate and ground connection are divided into by duplex pull rod Jam plate is switched, the disconnecting switch jam plate is connected by the first regulation screw mandrel, the second regulation screw mandrel with duplex pull rod one end, described to connect Ground switchs jam plate and is connected by the 3rd regulation screw mandrel, the 4th regulation screw mandrel with the duplex pull rod other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984857.5A CN107564750A (en) | 2017-10-20 | 2017-10-20 | A kind of mechanical interlocks being used between disconnecting switch and earthed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984857.5A CN107564750A (en) | 2017-10-20 | 2017-10-20 | A kind of mechanical interlocks being used between disconnecting switch and earthed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107564750A true CN107564750A (en) | 2018-01-09 |
Family
ID=60986651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984857.5A Pending CN107564750A (en) | 2017-10-20 | 2017-10-20 | A kind of mechanical interlocks being used between disconnecting switch and earthed switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN107564750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111192785A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
| CN113053692A (en) * | 2019-12-27 | 2021-06-29 | 西安西电高压开关有限责任公司 | Mechanical locking device for disconnecting switch |
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| JP2002150897A (en) * | 2000-11-15 | 2002-05-24 | Mitsubishi Electric Corp | Operation equipment for switch |
| CN201278325Y (en) * | 2008-10-15 | 2009-07-22 | 湖南长高高压开关集团股份公司 | Mechanical interlocking apparatus for high-voltage isolation switch |
| CN103928253A (en) * | 2014-05-01 | 2014-07-16 | 陈志源 | 110 KV double-grounding-isolation-switch mechanical locking device |
| CN106449261A (en) * | 2016-11-08 | 2017-02-22 | 河南平高电气股份有限公司 | Mechanical locking device |
| CN207602432U (en) * | 2017-10-20 | 2018-07-10 | 湖南长高高压开关集团股份公司 | For the mechanical interlocks between disconnecting switch and earthing switch |
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2017
- 2017-10-20 CN CN201710984857.5A patent/CN107564750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002150897A (en) * | 2000-11-15 | 2002-05-24 | Mitsubishi Electric Corp | Operation equipment for switch |
| CN201278325Y (en) * | 2008-10-15 | 2009-07-22 | 湖南长高高压开关集团股份公司 | Mechanical interlocking apparatus for high-voltage isolation switch |
| CN103928253A (en) * | 2014-05-01 | 2014-07-16 | 陈志源 | 110 KV double-grounding-isolation-switch mechanical locking device |
| CN106449261A (en) * | 2016-11-08 | 2017-02-22 | 河南平高电气股份有限公司 | Mechanical locking device |
| CN207602432U (en) * | 2017-10-20 | 2018-07-10 | 湖南长高高压开关集团股份公司 | For the mechanical interlocks between disconnecting switch and earthing switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111192785A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
| CN111192785B (en) * | 2019-12-20 | 2021-12-17 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
| CN113053692A (en) * | 2019-12-27 | 2021-06-29 | 西安西电高压开关有限责任公司 | Mechanical locking device for disconnecting switch |
| CN113053692B (en) * | 2019-12-27 | 2023-09-05 | 西安西电高压开关有限责任公司 | Mechanical locking device of isolating switch |
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Application publication date: 20180109 |