CN205680596U - Three-phase movable touch knife assembly and use three-station and the Inflatable ring main unit of this assembly - Google Patents
Three-phase movable touch knife assembly and use three-station and the Inflatable ring main unit of this assembly Download PDFInfo
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- CN205680596U CN205680596U CN201620550728.6U CN201620550728U CN205680596U CN 205680596 U CN205680596 U CN 205680596U CN 201620550728 U CN201620550728 U CN 201620550728U CN 205680596 U CN205680596 U CN 205680596U
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- 238000009413 insulation Methods 0.000 claims abstract description 53
- 238000003032 molecular docking Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009730 filament winding Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
This utility model relates to a kind of three-phase movable touch knife assembly and uses three-station and the Inflatable ring main unit of this assembly, three-phase movable touch knife assembly includes three single-phase movable touch knife unit, each single-phase movable touch knife unit all includes insulate connecting lever and movable touch knife, insulation connecting lever includes assembling propeller section, the structure Butt Assembling that is coaxial docking that the assembling propeller section of the insulation connecting lever of two single-phase movable touch knife unit of arbitrary neighborhood is had by corresponding axle head, the structure that is coaxial docking of the two axial ends of Butt Assembling is corresponding the interior of inserting that coincide, external splines structure, internal spline structure has circumferentially spaced uniform grafting keyway, external splines structure has circumferentially spaced uniform grafting key tooth, grafting keyway is reducing groove structure, grafting key tooth is the T-shaped key tooth of coincide inserting corresponding with reducing groove structure.Available reducing groove structure forms the location of the pintle hook lock to T-shaped key tooth, makes adjacent two single-phase movable touch knife unit snapping firm, it is to avoid the problem that snapping loosens occur.
Description
Technical field
This utility model relates to a kind of three-phase movable touch knife assembly and uses three-station and the Inflatable ring main unit of this assembly.
Background technology
Along with power system develops to Large Copacity, high voltage and intelligentized direction, the application of Inflatable ring main unit is increasingly
Extensively, its security reliability causes the highest attention of people.Three-station is as an assembling device inside ring main unit, whole
Close the function of disconnecting switch and earthed switch, it is to avoid the probability of maloperation.Three-station is generally at inflation ring
Using more in net cabinet, it incorporates the function of disconnecting switch and earthed switch, it is possible to realize combined floodgate, separating brake and ground connection three
Kind of function, specifically operating mechanism be rotated by movable touch knife to realize closing a floodgate, separating brake and grounding function.
Three-phase movable touch knife assembly in existing three-station includes a main shaft and the three-phase being arranged on main shaft more
Disconnecting link, is carried out rotating with three-phase disconnecting link by operating mechanism drive shaft and realizes the switching of corresponding station.But this three-phase moves
The main axle structure of contact knife assembly is complex, once occur damage must integral replacing, manufacture, maintenance cost the highest.?
Application publication number be CN105405703A Chinese invention patent application in disclose a kind of three-station isolating grounding switch, use
Time be connected in a major loop and the ground connection major loop of switch cubicle, including isolation static contact, grounding static contact, isolation ground connection move
Contact knife, be flexible coupling, drive shaft, insulation shell, the top being flexible coupling is welded on the bottom of isolation ground connection movable touch knife, thus constitutes
One phase movable touch knife connecting structure for electrical equipment, three-phase movable touch knife connecting structure for electrical equipment is fixed in side by side in insulation shell, and insulation shell is real
Include on border that three movable touch knife housings and two reels, every phase movable touch knife connecting structure for electrical equipment are fixed on a movable touch knife housing
In, the two ends, left and right of each movable touch knife housing are equipped with union joint, and three movable touch knife housings are chained together by union joint, and
And the movable touch knife housing of high order end connects fixing by union joint and a reel of its left end, the movable touch knife housing of low order end leads to
The union joint crossing its right-hand member is connected fixing with another reel.Drive shaft is divided into a coaxially arranged powered phase axle and driven section
Axle, powered phase axle and a fixing connection of reel, driven section of axle is fixed with another reel and is connected.So, can first by
One phase movable touch knife connecting structure for electrical equipment and a movable touch knife housing are pre-installed, then by main with reel and driving for three movable touch knife housings
Axle correspondence assembles, and completes the installation of whole three-station, is possible not only in batch production improve working (machining) efficiency, Er Qiebian
In transport, safety and maintenance.
As shown in Figure 1 to Figure 3, it wraps the structure of existing single-phase movable touch knife connecting structure for electrical equipment the most single-phase movable touch knife unit
Include insulation connecting lever 20 and the movable touch knife 21 being arranged on insulation connecting lever 20, movable touch knife 21 be conductively connected flexible-connection copper strip 22,
Existing insulation connecting lever 20 includes assembling propeller section and installing connecting lever section, and movable touch knife is fixedly mounted in connecting lever section, assembles and passes
The axial two ends of moving axis section are respectively provided with union joint, and the union joint of one end is jack, are provided with internal spline structure 14 in jack, another
The union joint of end, for inserting axle, is inserted axle and is provided with external splines structure 23, and inside and outside spline structure herein is rectangular spline.Assembling
Time, the internal spline structure of one end jack of the assembling propeller section of a phase insulation connecting lever and the assembling transmission of another phase insulation connecting lever
The external splines structure correspondence grafting of axle, and then composition three-phase movable touch knife assembly are inserted in one end of shaft part, apply to rotate in drive shaft
During driving force, three-phase movable touch knife synchronous axial system.
Along with three-phase movable touch knife assembly moved the increase of number of times, inside and outside spline structure will appear from abrasion in various degree, leads
Cause the activity box amount between inside and outside spline structure increasing, be additionally, since the both sides cell wall of the keyway of above-mentioned rectangular spline
For straight trough wall, slotting axle is not had locking effect, cause, between adjacent insulation connecting lever, the phenomenon that snapping loosens occurs, and then lead
Cause three-phase movable touch knife action asynchronous, affect the security reliability of switchgear.Further, the existing soft company welded with movable touch knife
Connecing employing copper strips to process, after movable touch knife rotates several times, which floor copper strips of outside that is flexible coupling, it would appear that fracture, causes and fills
Gas holder gas tank internal discharge phenomenon, affects insulating properties and the stability of switchgear.
Utility model content
The purpose of this utility model is to provide a kind of three-phase movable touch knife assembly, and to solve, three-phase of the prior art is dynamic to be touched
Easily there is the technical problem loosened in the insulation connecting lever of the snapping in knife assembly；Meanwhile, this utility model also provides for a kind of use
The three-station of above-mentioned three-phase movable touch knife assembly and Inflatable ring main unit.
For achieving the above object, the technical scheme of three-phase movable touch knife assembly provided by the utility model is: three-phase is dynamic to be touched
Knife assembly, including three single-phase movable touch knife unit of Butt Assembling the most successively, each single-phase movable touch knife unit all wraps
Including insulation connecting lever and the movable touch knife being arranged on insulation connecting lever, insulation connecting lever includes the assembling power transmission shaft extended in left-right direction
Section, two single-phase movable touch knife unit of arbitrary neighborhood insulation connecting lever assembling propeller section by corresponding axle head have coaxial
Docking structure Butt Assembling, the structure that is coaxial docking of the two axial ends of Butt Assembling is the inside and outside spline structure of the corresponding inserting that coincide,
Internal spline structure has circumferentially spaced uniform grafting keyway, and external splines structure has circumferentially spaced uniform
Grafting key tooth, described grafting keyway is reducing groove structure, and described grafting key tooth is coincide corresponding with described reducing groove structure
The T-shaped key tooth of inserting.
One of them in the two axial ends of the assembling propeller section of the insulation connecting lever of described each single-phase movable touch knife unit
Axle head has described internal spline structure, another axle head has described external splines structure.
Three-phase movable touch knife assembly also includes the left and right two being arranged in three single-phase movable touch knife unit of described Butt Assembling
The installation axle head of end, two one of them installation axle head installed in axle head have for the assembling with corresponding single-phase movable touch knife unit
The described internal spline structure that the corresponding axle head of propeller section has coincide inserting external splines structure, another install axle head have
Described external splines structure for having to the corresponding axle head of the assembling propeller section of corresponding single-phase movable touch knife unit is coincide inserting
Internal spline structure.
Two described installation axle heads are all for being connected axle head by the insulation of insulant moulding by casting.
Described reducing groove structure be both sides cell wall be the oat tail groove structure of plane chute wall, described T-shaped key tooth is swallow
Tail type key tooth.
Connecting on the movable touch knife of described each single-phase movable touch knife unit has conduction to be flexible coupling, and this conduction is flexible coupling for by copper
The conductor cable of filament winding system, conductor cable includes the flame-resistant insulation adhesive tape being wrapped in around described copper wire.
The technical scheme of the three-station of use provided by the utility model above-mentioned three-phase movable touch knife assembly is: three works
Bit switch, including three-phase movable touch knife assembly and the static contact that closes a floodgate accordingly, isolation static contact, grounding static contact, three-phase movable touch knife
Assembly includes three single-phase movable touch knife unit of Butt Assembling the most successively, and each single-phase movable touch knife unit all includes absolutely
Edge connecting lever and the movable touch knife being arranged on insulation connecting lever, insulation connecting lever includes the assembling propeller section extended in left-right direction, appoints
Anticipate the single-phase movable touch knife unit of adjacent two insulation connecting lever assembling propeller section by being coaxial docking that corresponding axle head has
Structure Butt Assembling, the structure that is coaxial docking of the two axial ends of Butt Assembling is the inside and outside spline structure of the corresponding inserting that coincide, interior flower
Bond structure has circumferentially spaced uniform grafting keyway, and external splines structure has circumferentially spaced uniform grafting
Key tooth, described grafting keyway is reducing groove structure, and described grafting key tooth is and the described corresponding inserting that coincide of reducing groove structure
T-shaped key tooth.
The technical scheme of the Inflatable ring main unit of the above-mentioned three-station of use provided by the utility model is: inflation looped network
Cabinet, including cabinet and the three-station being arranged in cabinet, three-station includes three-phase movable touch knife assembly and closes accordingly
Lock static contact, isolation static contact, grounding static contact, three-phase movable touch knife assembly includes three of Butt Assembling the most successively
Single-phase movable touch knife unit, each single-phase movable touch knife unit all includes insulating connecting lever and being arranged on the movable touch knife insulated on connecting lever, absolutely
Edge connecting lever includes the assembling propeller section extended in left-right direction, the insulation connecting lever of two single-phase movable touch knife unit of arbitrary neighborhood
The structure Butt Assembling that is coaxial docking that had by corresponding axle head of assembling propeller section, the two axial ends of Butt Assembling the most right
Access node structure is the inside and outside spline structure of the corresponding inserting that coincide, and internal spline structure has circumferentially spaced uniform grafting key
Groove, external splines structure has circumferentially spaced uniform grafting key tooth, and described grafting keyway is reducing groove structure, described
Grafting key tooth be and the T-shaped key tooth of the described corresponding inserting that coincide of reducing groove structure.
The beneficial effects of the utility model are: in three-phase moving contact assembly provided by the utility model, and three single-phase dynamic
In contact unit, the assembling propeller section of the insulation connecting lever of the biphase moving-contact unit of arbitrary neighborhood is had by corresponding axle head
The structure that is coaxial docking Butt Assembling, the structure that is coaxial docking of the two axial ends of Butt Assembling is the inside and outside spline of the corresponding inserting that coincide
Structure, wherein, the grafting keyway of internal spline structure is reducing groove structure, and the grafting key tooth of external splines structure is corresponding with reducing groove
Coincide inserting T-shaped key tooth, so, when will have this inside and outside spline structure correspondence coincide inserting time, even if occur mill
Damage, it is possible to utilize reducing groove structure to form the location of the pintle hook lock to T-shaped key tooth, make adjacent two single-phase movable touch knife unit snapping jail
Gu, thus it is prevented effectively from the problem occurring that single-phase movable touch knife unit snapping loosens.
Further, reducing groove structure is oat tail groove structure, and this oat tail groove structure not only can increase the union joint of correspondence
Contact area, uniform force when making the rotation of corresponding union joint, the abrasion of notch can be reduced, and, rotate insulation connecting lever and turn
Dynamic direction tilts consistent with the stress groove face in the both sides groove face of oat tail groove structure, and snapping is firm, is difficult to loosening phenomenon occur.
Further, two install the internal spline structure and external splines structure being correspondingly provided with on axle head, can make two installation axles
End forms firm fastening structure with the assembling propeller section on the insulation connecting lever of corresponding single-phase movable touch knife unit.
Further, the conduction that movable touch knife connects is flexible coupling and uses by the conductor cable of copper wire coiling, and,
It is wound with flame-resistant insulation band around copper wire, so can avoid the phenomenon that flexible-connection copper strip of the prior art ruptures, protect meanwhile
Demonstrate,prove insulating properties and the stability of single-phase movable touch knife unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing single-phase movable touch knife unit；
Fig. 2 is the left side schematic diagram of single-phase movable touch knife unit shown in Fig. 1；
Fig. 3 is the right side schematic view of single-phase movable touch knife unit shown in Fig. 1；
Fig. 4 is the structural representation of a kind of embodiment of three-phase movable touch knife assembly provided by the utility model；
Fig. 5 is the structural representation of single-phase movable touch knife unit in Fig. 4；
Fig. 6 is the left side schematic diagram of single-phase movable touch knife unit shown in Fig. 5；
Fig. 7 is the right side schematic view of single-phase movable touch knife unit shown in Fig. 5；
Fig. 8 is the axonometric chart of connecting lever of insulating in Fig. 5；
Fig. 9 is the axonometric chart of another angle of connecting lever of insulating in Fig. 5；
Figure 10 is the structure of the Inflatable ring main unit of three-phase movable touch knife assembly shown in use Fig. 4 provided by the utility model
Schematic diagram；
Figure 11 is the three-station local structural graph in ring main unit shown in Figure 10.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
The specific embodiment of three-phase movable touch knife assembly of the present utility model, as shown in Fig. 4 to Fig. 9, three in this embodiment
Phase movable touch knife assembly includes 13, three single-phase movable touch knife unit of left installation axle head of Butt Assembling the most successively and right peace
Dress axle head 14, three single-phase movable touch knife unit include high order end single-phase movable touch knife unit 10, middle single-phase movable touch knife unit 11 and
Low order end single-phase movable touch knife unit 12, two install axle head all utilizes nylon pouring to form, coaxial in the left side of left installation axle head 13
Fixing be equipped with isolation main shaft 41, coaxially fixing on the right side of right installation axle head 14 being equipped with support inserts 42, isolating main shaft
It is cast for integrative-structure with corresponding installation axle head with supporting inserts.During use, isolation main shaft is in transmission connection with drive mechanism,
Support inserts 42 is then rotated on the bearing block being assemblied in correspondence by spring bearing.
The structure of above-mentioned three-phase movable touch knife unit is identical, includes insulating connecting lever 3 respectively and is arranged on insulation connecting lever 3
Movable touch knife 1, insulation connecting lever 3 includes the assembling propeller section 31 extended in left-right direction, also includes and assembles propeller section 31 1
Body formed connecting lever construction section 32, being arranged on connecting lever construction section 32 of movable touch knife 1 correspondence of each phase movable touch knife unit.Each list
Connecting on the movable touch knife 1 of phase movable touch knife unit has conduction to be flexible coupling 4, in order to improve the stability of whole single-phase movable touch knife unit,
The conduction being welded on movable touch knife 1 is flexible coupling 4 for by the conductor cable of ordinary copper filament winding system, and is wound around absolutely around copper wire
Edge non-flammable adhesive tape.
Left side axle head 311 in the two axial ends of the assembling propeller section 32 of the insulation connecting lever 3 of each single-phase movable touch knife unit
Having internal spline structure, this internal spline structure has circumferentially spaced uniform grafting keyway 6, grafting keyway 6 herein
It is the oat tail groove structure of plane chute wall for reducing groove structure, specially both sides cell wall.
Right side axle head 312 in the two axial ends of the assembling propeller section 32 of the insulation connecting lever 3 of each single-phase movable touch knife unit
The internal spline structure of the left side axle head with the assembling propeller section of the insulation connecting lever with adjacent single-phase movable touch knife unit is corresponding to be kissed
Close inserting external splines structure, external splines structure has circumferentially spaced uniform grafting key tooth 7, grafting key tooth 7 be with
Reducing groove structure correspondence is coincide the T-shaped key tooth of inserting, and T-shaped key tooth herein is corresponding dove-tail form key tooth.
Two single-phase movable touch knife unit of arbitrary neighborhood are by the assembling transmission of the insulation connecting lever of two single-phase movable touch knife unit
Internal spline structure the coincide inserting corresponding with external splines structure that the corresponding axle head of shaft part has, the inside and outside spline of the inserting that herein coincide
Formation is coaxial docking structure, so that the assembling propeller section of the two of Butt Assembling single-phase movable touch knife unit is coaxially assembled.
It practice, in the present embodiment, be axially respectively arranged at two ends with for touching with adjacent single-phase moving assembling propeller section
The block locating surface coordinated with adjacent single-phase movable touch knife unit top pressure block when cutter unit correspondence connects, assembles propeller section
The left side that block locating surface is above-mentioned left side axle head of left end, the block locating surface on the right side assembling propeller section is on axial
Be positioned at right side axle head 312 on the left of, radially be positioned at right side axle head 312 outside annular flange stopping surface 8.
The right-hand member of left installation axle head 13 has the left side axle head tool of the insulation connecting lever of movable touch knife unit 10 single-phase with high order end
Some internal spline structure correspondences are coincide the external splines structure of inserting, and external splines structure herein has circumferentially spaced equally
Uniform multiple grafting key teeth, grafting key tooth is similarly dove-tail form key tooth.
The left end of right installation axle head 14 then has the right side axle head of the insulation connecting lever of movable touch knife unit 14 single-phase with low order end
The external splines structure correspondence having is coincide the internal spline structure of inserting, and the internal spline structure of right installation axle head herein has equally
Circumferentially spaced uniform multiple grafting keyways, grafting keyway herein is similarly oat tail groove structure.
When each single-phase movable touch knife unit assembles, conduction is flexible coupling 4 and movable touch knife 1 welding fabrication after be interspersed in insulation and turn
In arm 3, then, the installation connecting lever section of insulation connecting lever 3 it is fixed on by limited block 5, disc spring 2, attachment bolt and lock-nut
On 32, single-phase movable touch knife unit can be formed.
As shown in Figure 4, when the single-phase movable touch knife unit successively plug-in mounting above-mentioned by three and after both sides install installation axle head additional,
Three-phase movable touch knife assembly can be formed, the internal spline knot of the left side axle head of the insulation connecting lever of centre single-phase movable touch knife unit 11 herein
The corresponding inserting of external splines structure of the right side axle head of the insulation connecting lever of structure movable touch knife single-phase with high order end unit 10, middle single-phase dynamic
The external splines structure of the right side axle head of the insulation connecting lever of contact knife unit 11 and the left side axle head of low order end single-phase movable touch knife unit 12
Internal spline structure correspondence inserting, high order end single-phase movable touch knife unit 10 insulation connecting lever left side axle head internal spline structure with
The external splines structure correspondence inserting of left installation axle head 13, and the right side axle head of the insulation connecting lever of low order end single-phase movable touch knife unit 12
The corresponding inserting of internal spline structure of external splines structure and right installation axle head 14.
By the inserting snapping of dove-tail form key tooth Yu dovetail groove, adjacent single-phase movable touch knife unit can be made and axle head is installed
Between connection solid and reliable, be difficult to occur loosen.And conduct electricity the employing copper wire coiling that is flexible coupling and process, and it is tied with at outer layer
Flame-resistant insulation adhesive tape, it is to avoid copper strips phenomenon of rupture, it is possible to ensure that movable touch knife arrives combined floodgate, separating brake and ground connection position safely and reliably
Put, greatly meet the demand of switchgear.
Further, when jack structure inserting corresponding with slotting axle construction, the block locating surface of jack structure end is just with slotting
The flange stopping surface top press-fit of the annular being provided with at axle construction, to realize adjacent two single-phase moving-contact units or single-phase moving contact
Unit is spacing with the axial block of corresponding installation axle head.
In the present embodiment, the assembling propeller section structure of the insulation connecting lever of three single-phase movable touch knife unit is identical, left-hand axis
End is internal spline structure, and right side axle head is external splines structure, so, and the insulation of two adjacent single-phase movable touch knife unit
The corresponding axle head of the assembling propeller section of connecting lever can form the structure that is coaxial docking, to realize adjacent two single-phase movable touch knife unit
It is fixedly and coaxially connected.In other embodiments, the assembling propeller section of three single-phase movable touch knife unit can also be different, such as
Say, make the two ends, left and right of intermediate transmission shaft part be internal spline structure, and make the assembling power transmission shaft of the single-phase movable touch knife unit in left side
The right side axle head of section has external splines structure, and makes the left side axle head of the assembling propeller section of the single-phase movable touch knife unit in right side have
External splines structure, equally realizes the coaxial fixing assembling of three single-phase movable touch knife unit, if the two axial ends pair docked mutually
Should have internal spline structure and external splines structure.
In the present embodiment, it is correspondingly provided with left installation axle head and right installation axle in the left and right sides of three single-phase movable touch knife unit
End, in other embodiments, it is possible to so that the assembling propeller section one moulding by casting of left installation axle head and insulated left side connecting lever,
And make the assembling propeller section one moulding by casting of right installation axle head and side insulation right connecting lever.
In the present embodiment, the left end union joint of the assembling propeller section of insulation connecting lever is jack structure, and right-hand member union joint is
Inserting axle construction, in other embodiments, it is possible to so that right-hand member union joint is jack structure, left end union joint is slotting axle construction, or
Person makes two ends, left and right union joint be jack structure, can design the structure of the union joint of insulation connecting lever according to actual needs.
In the present embodiment, the grafting keyway of the internal spline structure of jack structure is dove-tail form reducing groove, in other embodiments
In, grafting keyway alternatively both sides cell wall is the reducing groove of indent arcwall face or evagination arcwall face.
As shown in Figure 10, Figure 11, this utility model also provides for the embodiment of a kind of Inflatable ring main unit, the ring in this embodiment
Net cabinet includes cabinet 100 and the three-station being arranged in cabinet, chopper 500, and three-station herein includes three-phase
Movable touch knife assembly 200 and combined floodgate static contact 300, isolation static contact, grounding static contact 400, three-phase movable touch knife assembly 200 herein
Use above-mentioned Fig. 3 to the three-phase movable touch knife assembly in embodiment illustrated in fig. 9, do not repeat them here.
This utility model also provides for the embodiment of a kind of three-station, and the three-station in this embodiment uses above-mentioned
The structure of the three-station in Inflatable ring main unit embodiment, does not repeats them here.
Claims (8)
1. three-phase movable touch knife assembly, including three single-phase movable touch knife unit of Butt Assembling the most successively, each single-phase
Movable touch knife unit all includes insulating connecting lever and being arranged on the movable touch knife insulated on connecting lever, and insulation connecting lever includes extending in left-right direction
Assembling propeller section, the assembling propeller section of the insulation connecting lever of two single-phase movable touch knife unit of arbitrary neighborhood is by corresponding axle
The structure Butt Assembling that is coaxial docking that end has, the structure that is coaxial docking of the two axial ends of Butt Assembling is the corresponding inserting that coincide
Inside and outside spline structure, internal spline structure has circumferentially spaced uniform grafting keyway, and external splines structure has circumferentially
Direction grafting key tooth uniformly at intervals, it is characterised in that: described grafting keyway is reducing groove structure, and described grafting key tooth is
T-shaped key tooth with the described corresponding inserting that coincide of reducing groove structure.
Three-phase movable touch knife assembly the most according to claim 1, it is characterised in that: described each single-phase movable touch knife unit
One of them axle head in the two axial ends of the assembling propeller section of insulation connecting lever has described internal spline structure, another axle head
There is described external splines structure.
Three-phase movable touch knife assembly the most according to claim 2, it is characterised in that: three-phase movable touch knife assembly also includes being arranged in
The installation axle head at the two ends, left and right of three single-phase movable touch knife unit of described Butt Assembling, two install one of them in axle head
Axle head is installed there is the described internal spline for having to the corresponding axle head of the assembling propeller section of corresponding single-phase movable touch knife unit
Structure coincide inserting external splines structure, another install axle head have for the assembling transmission with corresponding single-phase movable touch knife unit
The described external splines structure that the corresponding axle head of shaft part has is coincide the internal spline structure of inserting.
Three-phase movable touch knife assembly the most according to claim 3, it is characterised in that: two described installation axle heads are all for by insulating
The insulation of material moulding by casting connects axle head.
5. according to the three-phase movable touch knife assembly described in claim 1 or 2 or 3 or 4, it is characterised in that: described reducing groove structure
Being the oat tail groove structure of plane chute wall for both sides cell wall, described T-shaped key tooth is dove-tail form key tooth.
6. according to the three-phase movable touch knife assembly described in claim 1 or 2 or 3 or 4, it is characterised in that: described is each single-phase dynamic
Connecting on the movable touch knife of contact knife unit has conduction to be flexible coupling, and this conduction is flexible coupling for the conductor cable by copper wire coiling, leads
Electric wire cable includes the flame-resistant insulation adhesive tape being wrapped in around described copper wire.
7. three-station, including three-phase movable touch knife assembly and the static contact that closes a floodgate accordingly, isolation static contact, grounding static contact,
It is characterized in that: three-phase movable touch knife assembly uses the three-phase movable touch knife assembly in claim 1 to 6 described in any one.
8. Inflatable ring main unit, including cabinet and the three-station being arranged in cabinet, it is characterised in that: three-station uses
Three-station as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550728.6U CN205680596U (en) | 2016-06-08 | 2016-06-08 | Three-phase movable touch knife assembly and use three-station and the Inflatable ring main unit of this assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550728.6U CN205680596U (en) | 2016-06-08 | 2016-06-08 | Three-phase movable touch knife assembly and use three-station and the Inflatable ring main unit of this assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680596U true CN205680596U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620550728.6U Expired - Fee Related CN205680596U (en) | 2016-06-08 | 2016-06-08 | Three-phase movable touch knife assembly and use three-station and the Inflatable ring main unit of this assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205680596U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106653458A (en) * | 2016-12-20 | 2017-05-10 | 北京双杰电气股份有限公司 | Three-phase isolating switch |
| CN106783365A (en) * | 2016-12-22 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of Threephase common-box high-voltage switch gear |
| CN107799349A (en) * | 2017-09-26 | 2018-03-13 | 上海天灵开关厂有限公司 | A kind of frameless tri-station isolating switch |
| CN114165529A (en) * | 2021-11-16 | 2022-03-11 | 吉林大学 | Rotary operation connecting mechanism with adjustable axial height of output end |
-
2016
- 2016-06-08 CN CN201620550728.6U patent/CN205680596U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653458A (en) * | 2016-12-20 | 2017-05-10 | 北京双杰电气股份有限公司 | Three-phase isolating switch |
| CN106783365A (en) * | 2016-12-22 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of Threephase common-box high-voltage switch gear |
| CN107799349A (en) * | 2017-09-26 | 2018-03-13 | 上海天灵开关厂有限公司 | A kind of frameless tri-station isolating switch |
| CN114165529A (en) * | 2021-11-16 | 2022-03-11 | 吉林大学 | Rotary operation connecting mechanism with adjustable axial height of output end |
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