CN207602457U - There is the high voltage isolator of ice-melt short circuit and conventional func switching - Google Patents
There is the high voltage isolator of ice-melt short circuit and conventional func switching Download PDFInfo
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- CN207602457U CN207602457U CN201721334309.XU CN201721334309U CN207602457U CN 207602457 U CN207602457 U CN 207602457U CN 201721334309 U CN201721334309 U CN 201721334309U CN 207602457 U CN207602457 U CN 207602457U
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Abstract
There is the high voltage isolator of ice-melt short circuit and conventional func switching, including mounting bracket, mounting bracket is equipped with short switch operating mechanism, horizontal stand is equipped at the top of mounting bracket, above horizontal stand three-phase shortcircuit disconnecting switch ontology is equipped with equipped with three-phase high-voltage isolating switch ontology, rotation porcelain vase one end of three-phase high-voltage isolating switch ontology；Three-phase shortcircuit disconnecting switch ontology includes short-circuit moving contact and short-circuit static contact；The short-circuit moving contact of three-phase shortcircuit disconnecting switch ontology is connected respectively by different rotary porcelain vase with corresponding rotation axis bearing, rotation axis bearing set on the C phase high voltage isolator ontology other ends is connected by the first operation pull rod with the first vertical links, and the first vertical links is connect with short switch operating mechanism.Using the utility model, ice-melt short circuit and conventional func can be realized（Operation and ground connection）Promptly switch.
Description
Technical field
The utility model relates generally to high-voltage switch gear technical field, has ice-melt short circuit and conventional func more particularly, to one kind
The high voltage isolator of switching.
Background technology
At present, it is without hospital bus bar in 110kV and 220kV substations in the modular design of Southern Power Grid Company.
When installing DC de-icing device additional in these substations, it will encounter two unavoidable problems：First, it is filled in DC ice melting
Putting the ice-melt busbar of outlet side can not directly be connected with DC ice-melting head end；In the end of DC ice-melting, also without special
The short-circuit device of ice melting current can be passed through.The working efficiency that this just directly results in entire deicing processes is very low：There are about
44% time loss is on the short circuit of circuit head end connection line end.Way general at present is to be built in ice-melt busbar
On enclosure wall, be manually attached with prefabricated conducting wire between ice-melt busbar and circuit, i.e., circuit normal operation when, it is prefabricated
Conducting wire takes off storage, and when needing the ice-melt to operate, circuit and line switching unit are stopped to after inspecting state, by manually will be prefabricated
Good conducting wire is attached.Second is that the space that DC ice melting busbar is connect with DC ice-melting is restricted, if in ice-melt busbar
It installs connection equipment additional between DC ice-melting, just has to be extended place expropriation of land.
In existing operating mode, aforesaid operations are worked by artificial to carry out this（It is complete according to live practical experience
It is generally 0.5-1 hours or so into a 110kV and the short circuit of following transmission line of electricity and the time for releasing short-circuit operation）, it is existing
Mode leads to that ice-melt working efficiency is low, security risk of service personnel's field operation is high.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above of the existing technology, provides a kind of structure
Simply, ice-melt short circuit and conventional func can be realized（Operation and ground connection）Promptly switch, be rapidly completed the three of transmission line of electricity end
The mutually high voltage isolator for having ice-melt short circuit and conventional func switching of short circuit connection.
Technical solution is used by the utility model solves its technical problem：
There is the high voltage isolator of ice-melt short circuit and conventional func switching, including horizontal stand, mounting bracket, short switch
Operating mechanism, three-phase high-voltage isolating switch ontology and three-phase shortcircuit disconnecting switch ontology, short switch operating mechanism are set on installation
On stent, horizontal stand is set at the top of mounting bracket, and three-phase high-voltage isolating switch ontology is loaded on horizontal stand top, three-phase high-voltage
Disconnecting switch ontology includes A phase high voltage isolators ontology, B phase high voltage isolator ontologies and C phase high voltage isolator ontologies；
Three-phase shortcircuit disconnecting switch ontology includes three-phase shortcircuit moving contact and three-phase shortcircuit static contact；Three-phase shortcircuit moving contact includes A phases
The short-circuit moving contact of short-circuit moving contact, B phases and the short-circuit moving contact of C phases；It is short that three-phase shortcircuit static contact includes the short-circuit static contact of A phases, B phases
Road static contact and the short-circuit static contact of C phases；A phases short circuit moving contact is set on the rotation porcelain vase upper end of A phase high voltage isolator ontologies, B
Mutually short-circuit moving contact is set on the rotation porcelain vase upper end of B phase high voltage isolator ontologies, C phase short circuit moving contact set on C phases high pressure every
Rotation porcelain vase upper end from Switch main body；The lower end of the rotation porcelain vase of A phase high voltage isolator ontologies, B phase high voltage isolators
The lower end of the rotation porcelain vase of ontology and the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies are equipped with corresponding rolling bearing
Seat, the rotation axis bearing set on the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies pass through the first operation pull rod and first
Vertical links is connected, and the first vertical links is connect with short switch operating mechanism.
Wire connection terminal on wire connection terminal, the short-circuit moving contact of B phase on A phases short circuit moving contact on C phases short circuit moving contact
Wire connection terminal by short circuit connection row be connected.
Equipped with the first linkage connecting lever, B phases in the rotation axis bearing of the lower end of the rotation porcelain vase of A phase high voltage isolator ontologies
It is opened in the rotation axis bearing of the lower end of the rotation porcelain vase of high voltage isolator ontology equipped with the second linkage connecting lever, C phase high_voltage isolations
It closes and third linkage connecting lever is respectively arranged in the rotation axis bearing of the lower end of the rotation porcelain vase of ontology, the first linkage connecting lever passes through the first water
Flat connecting rod is connected with the second linkage connecting lever, and the second linkage connecting lever is connected by the second waling stripe with third linkage connecting lever.Three-phase
Between short circuit isolation Switch main body combined operation is realized by two waling stripes.
The operator of existing high voltage isolator and the operator of three-phase shortcircuit disconnecting switch ontology（I.e. each phase short circuit moving contact）
Between be equipped with mechanical locking device, high voltage isolator operate close a floodgate when, short circuit isolation switch cannot close a floodgate, reaching prevents from missing
Operating function.
Further, the mounting bracket is equipped with monopole earthing switch operating mechanism, and horizontal stand is equipped with installation chassis,
It installs and supporting rack is housed on chassis, earthing knife-switch shaft on supporting rack is housed, is led in earthing knife-switch shaft equipped with ground connection movable feeler lever, earthing knife-switch shaft
Driven connecting lever to be crossed with the second operation pull rod to be connected, the second operation pull rod is connected by active connecting lever with the second vertical links, and second
Vertical links is connected with monopole earthing switch operating mechanism.The ground connection stationary contact of monopole earthing switch is equipped on short circuit connection row
Head, grounding static contact are set between B phase high voltage isolator ontologies and C phase high voltage isolator ontologies.
Short switch operating mechanism is existing CS17 types manual-operating mechanism or CJ12 motor-operating mechanisms, equipped with hand
Handle.Short switch operating mechanism is that short-circuit moving contact realizes movement and completes the power resources of switching on and off operation.
Monopole earthing switch operating mechanism is existing CS17 types manual-operating mechanism, equipped with handle.
Before use, by three-phase high-voltage isolating switch ontology（That is A phases high voltage isolator ontology, B phase high voltage isolator sheets
Body and C phase high voltage isolator ontologies）It is set in front of existing three-phase high-voltage isolating switch G, three-phase shortcircuit static contact is（A phases
The short-circuit static contact of short-circuit static contact, B phases and the short-circuit static contact of C phases）It is installed on the contact wiring of existing three-phase high-voltage isolating switch G
Seat side.Existing high voltage isolator G can be double-column horizontal rotary isolation switch etc..
There is ice-melt short-circuit as previously described and the switching method of the high voltage isolator of conventional func switching is：
When being switched to ice-melt short-circuit function by conventional func, first monopole earthing switch operating mechanism is rotated for 90 ° counterclockwise
Handle, monopole earthing switch operating mechanism drive the rotation of the second vertical links, and the second vertical links drives the rotation of active connecting lever, main
Dynamic connecting lever drives the second operation pull rod to move forward and backward, and the second operation pull rod drives earthing knife-switch shaft to rotate by driven connecting lever, ground
The rotation of swivel axis drives ground connection movable feeler lever to carry out downward 90 ° of rotations, and ground connection movable feeler lever is rotated down around earthing knife-switch shaft, and realization connects
Ground connection movable feeler lever sub-switching operation is completed in the disengaging of ground movable feeler lever and grounding static contact.The hand of 90 ° of rotary operation mechanisms clockwise again
Handle, operational torque drive the rotation porcelain set on C phase high voltage isolator ontologies by the first vertical links and the first operation pull rod
The rotation axis bearing rotation of the lower end of bottle, the rotation axis bearing set on the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies
Rotation drives the rotation axis bearing of the lower end of the rotation porcelain vase set on B phase high voltage isolator ontologies to revolve by the second waling stripe
Turn, the rotation set on the rotation axis bearing of the lower end of the rotation porcelain vase of B phase high voltage isolator ontologies passes through first level connecting rod
The rotation axis bearing of the lower end of the rotation porcelain vase set on A phase high voltage isolator ontologies is driven to follow rotation, each rotation axis bearing
Corresponding short-circuit moving contact is driven to rotate horizontally 90 ° by different rotation porcelain vases respectively；When each phase short circuit moving contact is horizontal
When rotation is to 90 °, the end of each mutually short-circuit moving contact contacts respectively with corresponding short-circuit static contact, completes three-phase shortcircuit and keeps apart
The closing operation of pass.
When being switched to conventional func by ice-melt short-circuit function, first monopole earthing switch operating mechanism is rotated for 90 ° clockwise
Handle, monopole earthing switch operating mechanism drive the rotation of the second vertical links, and the second vertical links drives the rotation of active connecting lever, main
Dynamic connecting lever drives the second operation pull rod to move forward and backward, and the second operation pull rod drives earthing knife-switch shaft to rotate by driven connecting lever, ground
The rotation of swivel axis drives ground connection movable feeler lever to carry out upward 90 ° of rotations, and ground connection movable feeler lever is rotated up around earthing knife-switch shaft, with ground connection
Static contact contacts, and completes ground connection movable feeler lever closing operation.The handle of 90 ° of rotary operation mechanisms of another mistake hour hands, operational torque pass through
First vertical links and the first operation pull rod drive the rotation axis of the lower end of the rotation porcelain vase set on C phase high voltage isolator ontologies
Bearing rotates, and the rotation axis bearing rotation set on the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies is horizontal by second
Connecting rod drive set on B phase high voltage isolator ontologies rotation porcelain vase lower end rotation axis bearing rotation, set on B phases high pressure every
From Switch main body rotation porcelain vase lower end rotation axis bearing rotation by first level connecting rod drive be set on A phases high pressure every
The rotation axis bearing of the lower end of rotation porcelain vase from Switch main body follows rotation, and each rotation axis bearing passes through different rotations respectively
Porcelain vase drives corresponding short-circuit moving contact to rotate horizontally 90 °；It is each mutually short when each phase short circuit moving contact is rotated horizontally to 90 °
The end of road moving contact is detached from respectively with corresponding short-circuit static contact, the sub-switching operation of the short circuit isolation Switch main body of completion.
When short-circuit moving contact rotates horizontally 90 °, short-circuit moving contact using the one end being connected with rotation porcelain vase as contact center point,
The short-circuit moving contact other end is rotated horizontally around the contact center point, and realization is contacting and separating with short-circuit static contact, Ci Zhongfang
Formula can be described as horizontal divide-shut brake.
Be grounded movable feeler lever up and down 90 ° of rotations when, ground connection movable feeler lever using with one end that earthing knife-switch shaft is connected as feeler lever central point,
Feeler lever central point described in the ground connection movable feeler lever other end is rotated up and down, and realization is contacting and separating with grounding static contact.
As a result of above-mentioned technical solution, compared with prior art, the utility model utilizes existing double-column horizontal
Rotary isolation switch is improved, and is designed to there is the knot of the high voltage isolator of novel ice-melt short circuit and conventional func switching
Structure.It only needs, by monopole earthing switch operating mechanism, ground connection movable feeler lever to be made to contact with grounding static contact, it is possible to according to original
Normal operation under the normal mode of disconnecting switch.When needing circuit carrying out short circuit, original double-column horizontal rotation need to be only pulled open
After disconnecting switch, ground connection movable feeler lever and grounding static contact are then pulled open, then short-circuit moving contact is made to be contacted with short-circuit static contact, you can
The three-phase shortcircuit connection of transmission line of electricity is completed, completing operation only needs 3-5 minutes or so, and completely eliminate the operation of service personnel
Security risk.
The existing high voltage isolator with ice-melt short circuit and conventional func switching uses vertical division brake structure, vertically
Division brake structure can only use small supporting insulator support short circuit grounding switch flow passage component, and prop up because being limited by structure size
Support insulator is horizontally oriented stress, and since short circuit grounding switchs weight, bending moment power is very big, short circuit grounding switch breaking-closing operating
Power is big, thus small support Insulator detection problem often occurs.And existing vertical division brake structure short circuit ice-melt disconnecting switch is adopted
With every phase axle sleeve and threephase switch long axis concentric fit structure, it is same that three-phase shortcircuit disconnecting switch is difficult to guarantee every phase axle sleeve hole when installing
Heart degree, it is big with three-phase shortcircuit long axis cooperation difficulty, and frictional force is big, and therefore, vertical division brake structure short circuit ice-melt disconnecting switch
Operational torque is big, malfunction.In addition, vertical opening type structure short circuit ice-melt disconnecting switch cannot will be short when operating force is big
Conducting rod design in road is too big, and through-current capability compared to smaller, take time relatively long by ice-melt.
For the divide-shut brake of the utility model short circuit isolation switch using horizontal division brake structure, rotation porcelain vase is right angle setting,
Current-carrying part is that short-circuit moving contact is mounted on above rotation porcelain vase, and rotation porcelain vase is vertical direction stress, short circuit isolation switch by
The influence of current-carrying part gravity is small, and rotation porcelain vase is mainly by its own gravity directional pressure, and bearing capacity is strong, and therefore, short circuit isolation is opened
It is small to close operational torque, short-circuit moving contact can be made high current structure, i.e., short-circuit moving contact surface area is dynamic than existing short circuit
Contact is big（Surface area can increase 30% -80%）, through-current capability is strong（I.e. short-circuit moving contact can by electric current bigger）, during ice-melt
Logical high current can shorten the ice-melt time.3150A high currents can such as be led to when short circuit isolation switchs ice-melt, shorten the ice-melt time.
For the utility model by rotating flexible bearing block, operating force needed for short-circuit ice-melt disconnecting switch is small.The utility model short circuit every
Pass is left since required operating force is small, during short-circuit ice-melt disconnecting switch divide-shut brake, short-circuit 5 gravity of moving contact operating force is influenced compared with
Small, operational torque is small needed for manual-operating mechanism, can lighter divide-shut brake.
The utility model is structurally simple, economical to be applicable in and easily implements, and using effect is considerable.Use the utility model, energy
Realize ice-melt short circuit and conventional func（Operation and ground connection）Promptly switch, the three-phase shortcircuit that transmission line of electricity end is rapidly completed connects
It connects, not only improves working efficiency, reduces operating risk, and the appearance main structure for not needing to change prototype disconnecting switch is pacified with basic
Size is filled, economic benefit protrudes, moreover it is possible to realize ice-melt short circuit and conventional func（Operation and ground connection）Promptly switch.
Description of the drawings
Fig. 1 is the front view that the utility model has the high voltage isolator of ice-melt short circuit and conventional func switching；
Fig. 2 is shown with the side view of the high voltage isolator of ice-melt short circuit and conventional func switching by Fig. 1；
Fig. 3 is shown with the vertical view of the high voltage isolator of ice-melt short circuit and conventional func switching by Fig. 1.
Fig. 4 switchs link transmission figure for ice-melt short circuit isolation.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and examples.
With reference to attached drawing, there is the high voltage isolator of ice-melt short circuit and conventional func switching, including horizontal stand 15, installation branch
Frame 16, short switch operating mechanism 17, three-phase high-voltage isolating switch ontology 1 and three-phase shortcircuit disconnecting switch ontology 2, short switch
Operating mechanism 17 is set in mounting bracket 16, and horizontal stand 15 is set on 16 top of mounting bracket, three-phase high-voltage isolating switch ontology 1
Loaded on 15 top of horizontal stand, three-phase high-voltage isolating switch ontology 1 includes A phase high voltage isolators ontology, B phase high_voltage isolations are opened
Close ontology and C phase high voltage isolator ontologies；Three-phase shortcircuit disconnecting switch ontology 2 includes three-phase shortcircuit moving contact 5 and three-phase is short
Road static contact 4；Three-phase shortcircuit moving contact 5 includes the short-circuit moving contact of A phases, the short-circuit moving contact of B phases and the short-circuit moving contact of C phases；Three-phase
Short-circuit static contact 4 includes the short-circuit static contact of A phases, the short-circuit static contact of B phases and the short-circuit static contact of C phases；A phases short circuit moving contact is set on A
20 upper end of rotation porcelain vase of phase high voltage isolator ontology, B phases short circuit moving contact are set on the rotation of B phase high voltage isolator ontologies
20 upper end of porcelain vase, C phases short circuit moving contact are set on 20 upper end of rotation porcelain vase of C phase high voltage isolator ontologies；Each phase high_voltage isolation
Switch main body（That is A phases high voltage isolator ontology, B phase high voltage isolator ontologies and C phase high voltage isolator ontologies）Rotation
The lower end for turning porcelain vase 20 is equipped with corresponding rotation axis bearing 19, under the rotation porcelain vase of C phase high voltage isolator ontologies
The rotation axis bearing at end is connected by the first operation pull rod 8 with the first vertical links 7, and the first vertical links 7 is grasped with short switch
Make mechanism 17 to connect.
Wire connection terminal on wire connection terminal, the short-circuit moving contact of B phase on A phases short circuit moving contact on C phases short circuit moving contact
Wire connection terminal by short circuit connection arrange 3 be connected.
Equipped with the first linkage connecting lever 21- in the rotation axis bearing of the lower end of the rotation porcelain vase of A phase high voltage isolator ontologies
It is high equipped with the second linkage connecting lever 21-2, C phase in the rotation axis bearing of the lower end of the rotation porcelain vase of 1, B phase high voltage isolator ontology
It presses and third linkage connecting lever 21-3 is respectively arranged in the rotation axis bearing of the lower end of the rotation porcelain vase of disconnecting switch ontology, the first linkage is turned
Arm 21-1 is connected by first level connecting rod 6-1 with the second linkage connecting lever 21-2, and the second linkage connecting lever 21-2 passes through the second level
Connecting rod 6-2 is connected with third linkage connecting lever 21-3.Linkage behaviour is realized by waling stripe between three-phase shortcircuit disconnecting switch ontology 2
Make.
Before use, by three-phase high-voltage isolating switch ontology 1（That is A phases high voltage isolator ontology, B phase high voltage isolators
Ontology and C phase high voltage isolator ontologies）It is set in front of existing three-phase high-voltage isolating switch G, three-phase shortcircuit static contact 4 is（A
The mutually short-circuit static contact of short-circuit static contact, B phases and the short-circuit static contact of C phases）The contact for being installed on existing three-phase high-voltage isolating switch G connects
Line seat side.Existing high voltage isolator G can be double-column horizontal rotary isolation switch etc..
During closing operation, firmly the handle of actuating short switch operating mechanism 17 rotates clockwise 90 °, and operational torque passes through
First vertical links 7 and the first operation pull rod 8 drive the rotation of the lower end of the rotation porcelain vase set on C phase high voltage isolator ontologies
Bearing block rotates, and the rotation axis bearing rotation set on the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies passes through the second water
Flat connecting rod 6-2 drives the rotation axis bearing rotation of the lower end of the rotation porcelain vase set on B phase high voltage isolator ontologies, set on B phases
The rotation of the rotation axis bearing of the lower end of the rotation porcelain vase of high voltage isolator ontology is set on by first level connecting rod 6-1 drives
The rotation axis bearing of the lower end of the rotation porcelain vase of A phase high voltage isolator ontologies follows rotation, and each rotation axis bearing 19 is led to respectively
Crossing different rotation porcelain vases 20 drives corresponding short-circuit moving contact 5 to rotate horizontally 90 °；When the horizontal rotation of each phase short circuit moving contact 5
When going to 90 °, the end of each mutually short-circuit moving contact 5 contacts respectively with corresponding short-circuit static contact 4, completes three-phase shortcircuit and keeps apart
Close 2 closing operation.
During sub-switching operation, the handle of 90 ° of rotation short switches operating mechanism 17 counterclockwise, operating principle and making process
It is identical.
When short-circuit moving contact 5 rotates horizontally, short-circuit moving contact 5 point centered on the one end being connected with rotation porcelain vase 20 is short
Moving contact 5 other end in road is rotated horizontally around the central point, and realization is contacting and separating with short-circuit static contact 4, and such mode can
Referred to as horizontal divide-shut brake.
The operator of existing high voltage isolator 1 and the operator of three-phase shortcircuit disconnecting switch ontology 2（I.e. each phase short circuit moving contact
5）Between be equipped with mechanical locking device, when high voltage isolator 1 operates and closes a floodgate, short circuit isolation switch 2 cannot close a floodgate, and reach anti-
Only maloperation function.
The mounting bracket 16 is equipped with monopole earthing switch operating mechanism 18, and horizontal stand 15 is equipped with installation chassis
10, it installs and supporting rack 23 is housed on chassis 10, earthing knife-switch shaft 11 on supporting rack 23 is housed, ground connection is housed dynamic tactile in earthing knife-switch shaft 11
Bar 12, earthing knife-switch shaft 11 are connected by driven connecting lever 22 with the second operation pull rod 14, and the second operation pull rod 14 passes through active connecting lever
24 are connected with the second vertical links 9, and the second vertical links 9 is connected with monopole earthing switch operating mechanism 18.In short circuit connection row 3
The grounding static contact 13 of monopole earthing switch is equipped with, grounding static contact 13 is set on B phase high voltage isolator ontologies and C phase high pressures
Between disconnecting switch ontology.
When monopole grounding switch tripping operates, first 90 ° of rotation process monopoles earthing switch operating mechanism, 18 handle counterclockwise,
Monopole earthing switch operating mechanism 18 drives the second vertical links 9 to rotate, and the second vertical links 9 drives active connecting lever 24 to rotate,
Active connecting lever 24 drives the second operation pull rod 14 to move forward and backward, and the second operation pull rod 14 drives ground swivel by driven connecting lever 22
Axis 11 rotates, and the rotation of earthing knife-switch shaft 11 drives ground connection movable feeler lever 12 to carry out downward 90 ° of rotations, and ground connection movable feeler lever 12 is around ground swivel
Axis 11 is rotated down, and is grounded the disengaging of movable feeler lever 12 and grounding static contact 13, completes ground connection 12 sub-switching operation of movable feeler lever.It closes
When lock operates, the handle of 90 ° of rotary operation mechanisms 18 clockwise, feed motion principle is identical with separating brake.
Short circuit connection row 3, short-circuit static contact 4, short-circuit moving contact 5, first level connecting rod 6-1, the second waling stripe 6-2,
First vertical links 7, first operation pull rod 8, the second vertical links 9, installation chassis 10, earthing knife-switch shaft 11, ground connection movable feeler lever 12,
Grounding static contact 13, second operates pull rod 14, monopole earthing switch operating mechanism 18 collectively forms ice-melt component.Short circuit connection row
3rd, it is grounded movable feeler lever 12, grounding static contact 13 collectively forms ice-melt short-circuit loop.
Short switch operating mechanism 17 can be existing CS17 types manual-operating mechanism or CJ12 motor-operating mechanisms, equipped with
Handle.Short switch operating mechanism 17 is that short-circuit moving contact 5 realizes movement and completes the power resources of switching on and off operation.
Monopole earthing switch operating mechanism 18 or existing CS17 types manual-operating mechanism, equipped with handle.
There is ice-melt short-circuit as previously described and the switching method of the high voltage isolator of conventional func switching is：
When being switched to ice-melt short-circuit function by conventional func, first monopole earthing switch operating mechanism 18 is rotated for 90 ° counterclockwise
Handle, monopole earthing switch operating mechanism 18 drive the second vertical links 9 rotate, the second vertical links 9 drive active connecting lever
24 rotations, active connecting lever 24 drive the second operation pull rod 14 to move forward and backward, and the second operation pull rod 14 passes through driven 22 band of connecting lever
Dynamic earthing knife-switch shaft 11 rotates, and the rotation of earthing knife-switch shaft 11 drives ground connection movable feeler lever 12 to carry out downward 90 ° of rotations, is grounded movable feeler lever 12
It is rotated down around earthing knife-switch shaft 11, is grounded the disengaging of movable feeler lever 12 and grounding static contact 13, completed ground connection movable feeler lever 12 and divide
Lock operates.The handle of 90 ° of rotary operation mechanisms 17 clockwise again, operational torque are drawn by the first vertical links 7 and the first operation
Bar 8 drive set on C phase high voltage isolator ontologies rotation porcelain vase lower end rotation axis bearing rotation, set on C phases high pressure every
The rotation axis bearing rotation of the lower end of rotation porcelain vase from Switch main body is driven by the second waling stripe 6-2 is set on B phase high pressures
The rotation axis bearing rotation of the lower end of the rotation porcelain vase of disconnecting switch ontology, set on the rotation porcelain of B phase high voltage isolator ontologies
The rotation of the rotation axis bearing of the lower end of bottle drives the rotation set on A phase high voltage isolator ontologies by first level connecting rod 6-1
The rotation axis bearing for turning the lower end of porcelain vase follows rotation, and each rotation axis bearing 19 drives phase by different rotation porcelain vases 20 respectively
The short-circuit moving contact 5 answered rotates horizontally 90 °；When each phase short circuit moving contact 5 is rotated horizontally to 90 °, each mutually short-circuit moving contact 5
End contacted respectively with corresponding short-circuit static contact 4, complete the closing operation of three-phase shortcircuit disconnecting switch 2.
When being switched to conventional func by ice-melt short-circuit function, first monopole earthing switch operating mechanism 18 is rotated for 90 ° clockwise
Handle, monopole earthing switch operating mechanism 18 drive the second vertical links 9 rotate, the second vertical links 9 drive active connecting lever
24 rotations, active connecting lever 24 drive the second operation pull rod 14 to move forward and backward, and the second operation pull rod 14 passes through driven 22 band of connecting lever
Dynamic earthing knife-switch shaft 11 rotates, and the rotation of earthing knife-switch shaft 11 drives ground connection movable feeler lever 12 to carry out upward 90 ° of rotations, is grounded movable feeler lever 12
It rotates up around earthing knife-switch shaft 11, is contacted with grounding static contact 13, complete ground connection 12 closing operation of movable feeler lever.90 ° of another mistake hour hands
The handle of short switch operating mechanism 17 is rotated, operational torque is set on by the first vertical links 7 and the first operation drive of pull rod 8
The rotation axis bearing rotation of the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies, set on C phase high voltage isolator ontologies
The rotation axis bearing rotation for rotating the lower end of porcelain vase is driven by the second waling stripe 6-2 set on B phase high voltage isolator ontologies
Rotation porcelain vase lower end rotation axis bearing rotation, set on B phase high voltage isolator ontologies rotation porcelain vase lower end turn
The rotation of moving axis bearing drives the lower end of the rotation porcelain vase set on A phase high voltage isolator ontologies by first level connecting rod 6-1
Rotation axis bearing follow rotation, each rotation axis bearing 19 drives corresponding short circuit is dynamic to touch by different rotation porcelain vases 20 respectively
First 5 rotate horizontally 90 °；When each phase short circuit moving contact 5 is rotated horizontally to 90 °, the end of each mutually short-circuit moving contact 5 respectively with
Corresponding short circuit static contact 4 is detached from, the sub-switching operation of the short circuit isolation Switch main body 2 of completion.
When short-circuit moving contact 5 rotates horizontally 90 °, short-circuit moving contact 5 is using the one end being connected with rotation porcelain vase 20 as in contact
Heart point, short-circuit 5 other end of moving contact are rotated horizontally around the contact center point, and realization is contacting and separating with short-circuit static contact 4,
Such mode can be described as horizontal divide-shut brake.
Movable feeler lever is grounded about 12 during 90 ° of rotations, ground connection movable feeler lever 12 is using with one end that earthing knife-switch shaft 11 is connected as feeler lever
Central point, feeler lever central point described in ground connection 12 other end of movable feeler lever are rotated up and down, and are realized the contact with grounding static contact 13 and are divided
From.
A kind of preferred embodiment of the utility model is discussed in detail above.The specific embodiment is only
It is the core concept for being used to help understand the utility model.It should be pointed out that those of ordinary skill in the art, not
Be detached from the utility model principle under the premise of, can also to the utility model, some improvement and modification can also be carried out, these improve and repair
Decorations also belong to the protection domain of the utility model claims.
Claims (4)
1. there is the high voltage isolator of ice-melt short circuit and conventional func switching, which is characterized in that including horizontal stand, installation branch
Frame, short switch operating mechanism, three-phase high-voltage isolating switch ontology and three-phase shortcircuit disconnecting switch ontology, short switch operation machine
Structure is set in mounting bracket, and horizontal stand is set at the top of mounting bracket, and three-phase high-voltage isolating switch ontology is loaded on horizontal stand
Side, three-phase high-voltage isolating switch ontology include A phase high voltage isolators ontology, B phase high voltage isolator ontologies and C phases high pressure every
From Switch main body；Three-phase shortcircuit disconnecting switch ontology includes three-phase shortcircuit moving contact and three-phase shortcircuit static contact；Three-phase shortcircuit moves
Contact includes the short-circuit moving contact of A phases, the short-circuit moving contact of B phases and the short-circuit moving contact of C phases；Three-phase shortcircuit static contact includes the short circuit of A phases
The short-circuit static contact of static contact, B phases and the short-circuit static contact of C phases；A phases short circuit moving contact is set on the rotation of A phase high voltage isolator ontologies
Turn porcelain vase upper end, B phases short circuit moving contact is set on the rotation porcelain vase upper end of B phase high voltage isolator ontologies, and C phases short circuit moving contact is set
In the rotation porcelain vase upper end of C phase high voltage isolator ontologies；The lower end of the rotation porcelain vase of A phase high voltage isolator ontologies, B phases are high
The lower end of the rotation porcelain vase of disconnecting switch ontology and the lower end of the rotation porcelain vase of C phase high voltage isolator ontologies is pressed to be equipped with accordingly
Rotation axis bearing, set on C phase high voltage isolator ontologies rotation porcelain vase lower end rotation axis bearing pass through first operation
Pull rod is connected with the first vertical links, and the first vertical links is connect with short switch operating mechanism.
2. there is the high voltage isolator of ice-melt short circuit and conventional func switching according to claim 1, which is characterized in that A phases
The wire connection terminal on the short-circuit moving contact of wire connection terminal, B phases on short-circuit moving contact leads to the wire connection terminal on the short-circuit moving contact of C phases
Short circuit connection row is crossed to be connected.
3. the high voltage isolator according to claim 1 or claim 2 for having ice-melt short circuit and conventional func switching, which is characterized in that A
Equipped with the first linkage connecting lever, B phase high_voltage isolations in the rotation axis bearing of the lower end of the rotation porcelain vase of phase high voltage isolator ontology
Second linkage connecting lever is housed in the rotation axis bearing of the lower end of the rotation porcelain vase of Switch main body, C phase high voltage isolator ontologies
Rotate porcelain vase lower end rotation axis bearing on be respectively arranged with third linkage connecting lever, first linkage connecting lever by first level connecting rod with
Second linkage connecting lever is connected, and the second linkage connecting lever is connected by the second waling stripe with third linkage connecting lever.
4. the high voltage isolator according to claim 1 or claim 2 for having ice-melt short circuit and conventional func switching, which is characterized in that
The mounting bracket is equipped with monopole earthing switch operating mechanism, and horizontal stand is equipped with installation chassis, installs and be equipped on chassis
Supporting rack, equipped with earthing knife-switch shaft on supporting rack, equipped with ground connection movable feeler lever in earthing knife-switch shaft, earthing knife-switch shaft passes through driven connecting lever and the
Two operation pull rods are connected, and the second operation pull rod is connected by active connecting lever with the second vertical links, the second vertical links and monopole
Earthing switch operating mechanism is connected；The grounding static contact of monopole earthing switch is equipped on short circuit connection row, grounding static contact is set
Between B phase high voltage isolator ontologies and C phase high voltage isolator ontologies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334309.XU CN207602457U (en) | 2017-10-17 | 2017-10-17 | There is the high voltage isolator of ice-melt short circuit and conventional func switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334309.XU CN207602457U (en) | 2017-10-17 | 2017-10-17 | There is the high voltage isolator of ice-melt short circuit and conventional func switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602457U true CN207602457U (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721334309.XU Active CN207602457U (en) | 2017-10-17 | 2017-10-17 | There is the high voltage isolator of ice-melt short circuit and conventional func switching |
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| Country | Link |
|---|---|
| CN (1) | CN207602457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527765A (en) * | 2017-10-17 | 2017-12-29 | 湖南长高高压开关有限公司 | There are the high voltage isolator and its switching method of ice-melt short circuit and conventional func switching |
-
2017
- 2017-10-17 CN CN201721334309.XU patent/CN207602457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527765A (en) * | 2017-10-17 | 2017-12-29 | 湖南长高高压开关有限公司 | There are the high voltage isolator and its switching method of ice-melt short circuit and conventional func switching |
| CN107527765B (en) * | 2017-10-17 | 2020-04-07 | 湖南长高高压开关有限公司 | High-voltage isolating switch with ice-melting short circuit and conventional function switching and switching method thereof |
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