CN106169712B - Vertical flush mounting type high voltage load switch-fuse combined electric apparatus - Google Patents
Vertical flush mounting type high voltage load switch-fuse combined electric apparatus Download PDFInfo
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- CN106169712B CN106169712B CN201610862335.3A CN201610862335A CN106169712B CN 106169712 B CN106169712 B CN 106169712B CN 201610862335 A CN201610862335 A CN 201610862335A CN 106169712 B CN106169712 B CN 106169712B
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- fuse
- rack
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- axis
- pin shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Fuses (AREA)
Abstract
The present invention discloses a kind of vertical flush mounting type high voltage load switch-fuse combined electric apparatus, including rack, disconnecting switch, on-load switch, earthing switch and fuse, isolation axis is pivoted in rack, load axis and grounding shaft, the top of rack is equipped with installation frame, there is mounting hole on installation frame, there are three epoxy poles for on-load switch tool, three epoxy poles protrude to form a flange to its surrounding respectively, flange on three epoxy poles is side-by-side to be collectively formed the insulating barrier matched with installation frame upper installing hole, vacuum interrupter is equipped in each epoxy pole, the upper end of vacuum interrupter is connect with disconnecting switch, the lower end of vacuum interrupter and the upper end of fuse connect, the lower end of fuse is connect with earthing switch.Combined electrical apparatus of the present invention uses vertical paperback mode, is easily installed, the stability that can improve integral device is good；It after the paperback for completing combined electrical apparatus, does not need that bus-bar room and switch gear room are fabricated separately again, manufacture efficiency is high.
Description
Technical field
The present invention relates to the technical field of electrical equipment more particularly to a kind of vertical flush mounting type high voltage load switch-fusing
Device combined electrical apparatus.
Background technique
Chinese patent literature CN203312690U disclose a kind of band isolation, load, fusing, grounding function combined electrical apparatus,
Combined electrical apparatus is side in the rack perhaps side wall of switchgear i.e. by combined electrical apparatus from rack or switch in the technical solution
The side assembly of cabinet is fixed on the side wall of rack or the side wall of switchgear, and existing switchgear is wider, and existing combined electrical apparatus is whole
Body is more elongated, is limited by combined electrical apparatus volume and height, and existing combined electrical apparatus usually can only be all fixedly mounted using side dress
Mode.This side dress mode has the disadvantages that and deficiency:
1, since existing combined electrical apparatus is whole more elongated, so that the gravity of combined electrical apparatus is more concentrated, and side dress side
Formula can make combined electrical apparatus concentrate on the side of switchgear, so that the distribution of force that will cause switchgear is uneven, influence integral device
Stability.
2, since combined electrical apparatus is heavier, it will cause switchgear on the dress combined electrical apparatus of side and be deformed, and then door of switch cabinet
On handle hole and operating mechanism on handle hole cannot accurately corresponding matching, thus cannot be to the handle hole on operating mechanism
It is operated, combined electrical apparatus cannot be controlled, the prior art is on the handle hole and operating mechanism made on door of switch cabinet
Handle hole alignment, it will usually increase the handle hole on door of switch cabinet, this will further decrease the intensity of door of switch cabinet,
To which the strength and stability of switchgear can be reduced.
3, needing to lift on artificial when side fills perhaps asks combined electrical apparatus that combined electrical apparatus is aligned in the side wall of rack or is opened
After closing the mounting hole on the side wall of cabinet, then combined electrical apparatus is fixedly mounted on to the side wall of rack or the side wall of switchgear again
On, since combined electrical apparatus is heavier, big inconvenience can be brought to operation, working space is small when in addition side fills, and more people is needed to cooperate
It completes together, operating efficiency is low, and task difficulty is big, high labor cost.
4, after the side dress for completing combined electrical apparatus, it is also necessary to make and install again the insulating barrier of bus-bar room and switch gear room, fill
With complex procedures, manufacture efficiency is low.
A kind of band isolation, load, fusing, the combination of grounding function disclosed in above-mentioned Chinese patent literature CN203312690U
In electric appliance, pole is by vacuum interrupter sealing in pole by the way of sealing, and one side sealing complex process causes group
Close that electric appliance manufacture is complicated, and manufacture efficiency is low, on the other hand, sealing technology difficulty is big, and it is underproof to lead to the problem of sealing, not only
Product qualification rate is reduced, causes to waste, also brings along security risk, in addition prior art vacuum interrupter also needs to vulcanize, into
One step increases task difficulty and complicates technique.In addition, vacuum interrupter can be made to become elongated, will increase by the way of sealing
The height of combined electrical apparatus, since contact is thinner above and below vacuum interrupter, is not easy to and fuses to will increase the volume of switchgear
The connection of device and disconnecting switch increases assembly difficulty.
Chinese patent literature CN203312690U disclose a kind of band isolation, load, fusing, grounding function combined electrical apparatus,
Fuse is the lower section that pole is arranged in the technical solution, since fuse position is on the lower side so that combined electrical apparatus it is upper and lower across
Degree is big, it is longer, loosely organized to cause the entire length of combined electrical apparatus, to will increase the volume of switchgear, in addition, fuse is again
On the rack by insulator connection, connection type is complicated, and assembly difficulty is big.
Chinese patent literature CN203312690U disclose a kind of band isolation, load, fusing, grounding function combined electrical apparatus,
Three fuse support bases 101 are connected in rack 1 by three insulators 102 respectively in the technical solution, three fuses
The lower end of support base 101 is respectively provided with the cutter holder matched with grounding switch 81, this using the fixed fuse of insulator and ground connection
Structure is complicated for the mode of cutter holder, also will increase height, the volume and weight of combined electrical apparatus, and assembly difficulty is big.
Summary of the invention
The purpose of the present invention is to provide a kind of vertical paperbacks that is easily installed, can be improved switchgear strength and stability
Formula high voltage load switch-fuse combined electric apparatus.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
Vertical flush mounting type high voltage load switch-fuse combined electric apparatus, including rack, disconnecting switch, on-load switch, ground connection
Switch and fuse, the side of rack are equipped with operating mechanism, and isolation axis, load by operating mechanism control are pivoted in rack
Axis and grounding shaft, isolation axis, load axis and grounding shaft can control respectively disconnecting switch, on-load switch and earthing switch carry out point/
Conjunction, the top of rack are equipped with installation frame, have mounting hole on installation frame, there are three be arranged side by side simultaneously integrally for on-load switch tool
Molding epoxy pole, three epoxy poles protrude to form a flange to its surrounding respectively, and the flange on three epoxy poles is simultaneously
The insulating barrier that cooperatively formation is matched with installation frame upper installing hole is come, the two sides up and down of insulating barrier are respectively formed
Bus-bar room and switch gear room, each epoxy pole is interior to be equipped with vacuum interrupter, and the upper end of vacuum interrupter is connect with disconnecting switch, very
The lower end of empty arc-chutes and the upper end of fuse connect, and the lower end of fuse is connect with earthing switch.
Further, the epoxy pole have lower case, the top of lower case protruded to the surrounding of lower case to be formed with
The integrally formed square-shaped flange of lower case, the intracorporal top of lower casing are equipped with accommodating chamber, and the vacuum interrupter is mounted on accommodating chamber
It is interior.
Further, the flange upwardly extends to form one and the integrally formed upper housing of lower case, the top of accommodating chamber
Equipped with the partition for separating upper housing and lower case, the upper end of vacuum interrupter is connected with inlet wire bar, inlet wire bar pass through partition and to
Under extend in vacuum interrupter, inlet wire bar upper end is connected with static contact, and static contact is fixed on partition, the top of upper housing
Portion, which is located above static contact, is fixed with junction block；
The lower section every located off-axis between the epoxy pole and rack and positioned at the flange, it is described to keep apart
Closing has isolation knife corresponding with static contact, and the first end of isolation knife is articulated on static contact, and isolation axis is connect with isolation knife,
And isolation knife can be driven to be rotated, so that the second end of isolation knife and upper junction block carry out point/conjunction.
Further, the upper housing is " ㄥ " shape, is equipped with " ㄥ " shape accommodation groove in upper housing, close on the flange position
The side of rack is equipped with through-hole, which is connected to accommodation groove；
Isolation axis is connect by link mechanism with isolation knife, and link mechanism is arranged in upper housing, is isolated on axis and connecting rod
Mechanism is corresponding to be equipped with first and turns wall, and link mechanism includes first connecting rod, second connecting rod and third connecting rod, and first connecting rod is downward
Across through-hole and make the first end of first connecting rod be articulated in corresponding first to turn on wall, upper casing is articulated in the middle part of second connecting rod
On the two sidewalls of internal accommodation groove, the first end of second connecting rod is articulated in the second end of first connecting rod, the first end of third connecting rod
Be articulated in the second end of second connecting rod, the second end of third connecting rod is articulated in isolation knife, third connecting rod can drive isolation knife into
Row rotation, and can make the second end of isolation knife and the upper junction block carries out point/conjunction.
Further, the fuse is detachably arranged at the side of the separate rack of the epoxy pole, fuse
Upper end is connected to the lower end of vacuum interrupter by the portion that is flexible coupling, and the upper end of fuse is higher than the lower end of vacuum interrupter.
Further, the upper end of fuse is connected with the upper molten card of fixed fuse, and upper molten fixing is scheduled on epoxy pole,
The copper bar that portion is stepped rising that is flexible coupling, the lower end in the portion that is flexible coupling and the lower end of vacuum interrupter connect, are flexible coupling
The upper end in portion and upper molten card connect.
Further, the lower section of the isolation axis is arranged in the load axis, and the lower end of the vacuum interrupter is connected with
Lower pull rod, load axis are connect by operating mechanism with lower pull rod, and drop-down bar can be driven to move up and down, to realize vacuum interrupter
Interior dynamic/static contact divides/closes；
Operating mechanism includes insulation pulling plate, excess of stroke bar assembly, and the first end of insulation pulling plate is articulated on lower pull rod, and insulation is drawn
Plate passes through the epoxy pole close to the side wall of the rack and is pivotally connected on the side wall, and the second end of insulation pulling plate extends to ring
Between oxygen pole and the rack, the lower end of excess of stroke bar assembly is articulated in the second end of insulation pulling plate, on load axis with actuating machine
Structure is corresponding to be equipped with second and turns wall, and the upper end of excess of stroke bar assembly is articulated in second and turns on wall.
Further, the bottom end of the lower case has under shed, and the side far from the rack of lower case is equipped with side
Opening, side opening are arranged in the lower section of the vacuum interrupter and extend to the bottom end of lower case, removably set in lower case
The lower cover for closing under shed and side opening can be covered by having, and lower cover extends downward into the lower section of lower case, and the lower end of fuse is connected with solid
Determine the lower molten card of fuse, lower molten fixing is scheduled on the bottom of lower cover, and fuse lower end is also connected with lower junction block.
Further, the earthing switch includes earthing and ground connection cutter holder, and earthing passes through linking arm and the ground connection
Axis connection, earthing press from both sides the bottom for being fixedly connected on the lower cover, and ground connection cutter holder is located at lower cover close to the side of the rack, connects
The earth's axis can drive earthing to be rotated by linking arm, and be able to achieve earthing and be grounded dividing/closing for cutter holder.
It further, further include rotation axis, pull rod, the first pin shaft, the second pin shaft and fulcrum bearing；
The lower cover is downwardly extending two side plates being oppositely arranged, corresponding respectively on two side plates to be equipped with an arc
Shape slot, the first pin shaft are arranged between two side plates, and the both ends of the first pin shaft are limited in the arc groove of two side plates, and first
Pin shaft can be moved between the both ends of arc groove, and rotation axis is arranged in the top of the grounding shaft and is hubbed on the rack
On, the first end and rotation axis connection, the second end of pull rod of pull rod are extended between two side plates and are articulated on the first pin shaft；
The lower section between two side plates and being located at first pin shaft, the both ends pivot joint of the second pin shaft is arranged in second pin shaft
On two side plates, second side of lower cover is arranged in fulcrum bearing, and fulcrum bearing upwardly extends to be formed and fulcrum bearing integrally formed two
A cursor, two cursors are tilted a certain angle to the direction far from fulcrum bearing, and two cursors are separately positioned on two sides
The outside of plate, the top of two cursors is articulated in the both ends of the first pin shaft, two cursors in fulcrum bearing respectively in fulcrum bearing
Bottom be articulated in the both ends of the second pin shaft respectively；
Arc groove has first end and the second end, and rotation axis can drive the first pin shaft to move against to arc by pull rod
The first end of shape slot, and be strained and fixed to lower cover, while fulcrum bearing can be rotated up to support around the second pin shaft and fix
The position of fuse；Rotation axis can also drive the first pin shaft to be moved to the second end of arc groove by pull rod, and under release
Lid, while fulcrum bearing can be swung down to far from the position for supporting fixed fuse around the second pin shaft.
The present embodiment when assembling combined electrical apparatus, the epoxy pole in combined electrical apparatus be from top to bottom vertical paperback in rack
Installation frame on, specifically, epoxy pole passes through the mounting hole of installation frame straight down, and makes the flange on epoxy pole
Secure fit fixes the installation of combined electrical apparatus to realize in the mounting hole of installation frame.
The vertical paperback mode of combined electrical apparatus has the advantage that in the present embodiment
1, the distribution of force of switchgear is balanced, uniform, and the overall weight of combined electrical apparatus will not be made all to concentrate on switchgear
The stability of a certain position, integral device is good.
Although 2, combined electrical apparatus is heavier, entire installation frame can be supported fixation to combined electrical apparatus, support across
Degree and bearing area are big, guarantee the stability of switchgear and combined electrical apparatus, switchgear will not be deformed, and then door of switch cabinet
On handle hole and operating mechanism on handle hole can accurately corresponding matching, so as to be accurately controlled to combined electrical apparatus,
It not increase the handle hole on door of switch cabinet thus, guarantee the strength and stability of switchgear.
3, the epoxy pole in combined electrical apparatus be from top to bottom paperback on the installation frame of rack, when paperback there is no need to
Combined electrical apparatus is lifted or held in the palm on artificial, is placed directly on installation frame, it is easy to operate, more people's coordinating operations are not needed,
Working space is big when paperback, and task difficulty is small, and operating efficiency is high, and cost of labor is low.
4, after the paperback for completing combined electrical apparatus, the two sides up and down of insulating barrier automatically form bus-bar room and switch gear room respectively,
Therefore it does not need that bus-bar room and switch gear room are fabricated separately again, assembly process is simple, and manufacture efficiency is high.
Detailed description of the invention
Fig. 1 is the overall structure figure of vertical flush mounting type high voltage load switch-fuse combined electric apparatus；
Fig. 2 is the structure chart of another angle of Fig. 1；
Fig. 3 is the structure chart of rack in Fig. 1；
Fig. 4 is the structure chart of on-load switch in Fig. 1；
Fig. 5 is the cross-sectional view kept apart when closing lock in Fig. 1；
Cross-sectional view when Fig. 6 is disconnecting switch separating brake in Fig. 1；
Fig. 7 is the structure chart of epoxy pole in Fig. 1；
Fig. 8 is the cross-sectional view of epoxy pole in Fig. 1；
Fig. 9 is the part-structure figure in Fig. 1 at lower cover；
Figure 10 is the structure chart of another angle of Fig. 9；
Figure 11 is the structure chart of fulcrum bearing in Fig. 9.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Vertical flush mounting type high voltage load switch-fuse combined electric apparatus as depicted in figs. 1 and 2, including rack 1, is kept apart
Pass, on-load switch, earthing switch and fuse 5, the side of rack 1 are equipped with operating mechanism 6, are pivoted in rack 1 by operating
Isolation axis 61, load axis 62 and the grounding shaft 63 that mechanism 6 controls, isolation axis 61, load axis 62 and grounding shaft 63 can control respectively
Disconnecting switch, on-load switch and earthing switch are carried out point/are closed, and as shown in connection with fig. 3, the top of rack 1 is equipped with installation frame 11, tool
Body, installation frame 11 is horizontally disposed, has mounting hole 111 on installation frame 11, and as shown in connection with fig. 4, on-load switch has three
It is a to be arranged side by side and integrally formed epoxy pole 31, three epoxy poles 31 protrude to form a flange 311 to its surrounding respectively,
Flange 311 on three epoxy poles 31 is side-by-side be collectively formed matched with 11 upper installing hole 111 of installation frame it is exhausted
The two sides up and down of edge partition, insulating barrier are respectively formed bus-bar room and switch gear room, as shown in connection with fig. 5, in each epoxy pole 31
Equipped with vacuum interrupter 32, the upper end of vacuum interrupter 32 is connect with disconnecting switch, the lower end of vacuum interrupter 32 and fuse 5
Upper end connection, the lower end of fuse 5 is connect with earthing switch.
The present embodiment when assembling combined electrical apparatus, the epoxy pole in combined electrical apparatus be from top to bottom vertical paperback in rack
Installation frame on, specifically, epoxy pole passes through the mounting hole of installation frame straight down, and makes the flange on epoxy pole
Secure fit fixes the installation of combined electrical apparatus to realize in the mounting hole of installation frame.
The vertical paperback mode of combined electrical apparatus has the advantage that in the present embodiment
1, the distribution of force of switchgear is balanced, uniform, and the overall weight of combined electrical apparatus will not be made all to concentrate on switchgear
The stability of a certain position, integral device is good.
Although 2, combined electrical apparatus is heavier, entire installation frame can be supported fixation to combined electrical apparatus, support across
Degree and bearing area are big, guarantee the stability of switchgear and combined electrical apparatus, switchgear will not be deformed, and then door of switch cabinet
On handle hole and operating mechanism on handle hole can accurately corresponding matching, so as to be accurately controlled to combined electrical apparatus,
It not increase the handle hole on door of switch cabinet thus, guarantee the strength and stability of switchgear.
3, the epoxy pole in combined electrical apparatus be from top to bottom paperback on the installation frame of rack, when paperback there is no need to
Combined electrical apparatus is lifted or held in the palm on artificial, is placed directly on installation frame, it is easy to operate, more people's coordinating operations are not needed,
Working space is big when paperback, and task difficulty is small, and operating efficiency is high, and cost of labor is low.
4, after the paperback for completing combined electrical apparatus, the two sides up and down of insulating barrier automatically form bus-bar room and switch gear room respectively,
Therefore it does not need that bus-bar room and switch gear room are fabricated separately again, assembly process is simple, and manufacture efficiency is high.
On the basis of the above embodiments, it is preferred that as shown in Figure 6 to 8, the epoxy pole 31 has lower case
314, the top of lower case 314 protruded to the surrounding of lower case 314 to be formed with the integrally formed square-shaped flange 311 of lower case 314,
Top in lower case 314 is equipped with accommodating chamber 312, and the vacuum interrupter 32 is mounted in accommodating chamber 312, vacuum interrupter 32
With full skirt, vacuum interrupter 32 can be directly installed in epoxy pole made of epoxy resin without vulcanization.
Vacuum interrupter is not using sealing technique sealing in pole, but by band as the prior art in the present embodiment
The vacuum interrupter of full skirt is directly installed in epoxy pole, and assembly is simple, and there is no the underproof problem of sealing, manufacture effects
Rate is high, securely and reliably, in addition, the vacuum interrupter being fit directly into epoxy pole is relative to the vacuum extinction in pole
Room can become tubbiness, on the one hand reduce the height of combined electrical apparatus, reduce the volume of combined electrical apparatus, on the other hand convenient for fuse and
The connection of contact above and below disconnecting switch and vacuum interrupter, reduces assembly difficulty.
On the basis of the above embodiments, it is preferred that as shown in Figure 6 to 8, the flange 311 upwardly extends to form one
With the integrally formed upper housing 313 of lower case 314, the top of accommodating chamber 312, which is equipped with, separates upper housing 313 and lower case 314
Partition 315, the upper end of vacuum interrupter 32 are connected with inlet wire bar 34, and inlet wire bar 34 passes through partition 315 and extends downward into vacuum
In arc-chutes 32,34 upper end of inlet wire bar is connected with static contact 35, and static contact 35 is fixed on partition 315, upper housing 313
The top that top is located at static contact 35 is fixed with junction block 100；
As shown in Figure 6 to 8, the isolation axis 61 is arranged between the epoxy pole 31 and rack 1 and is located at described
The lower section of flange 311, the disconnecting switch have isolation knife 21 corresponding with static contact 35, and the first end of isolation knife 21 is pivotally connected
On static contact 35, isolation axis 61 is connect with isolation knife 21, and isolation knife 21 can be driven to be rotated, so that the of isolation knife 21
Two ends and upper junction block 100 carry out point/conjunction.
On the basis of the above embodiments, it is preferred that as shown in Fig. 5~Fig. 8, the upper housing 313 is " ㄥ " shape, upper casing
" ㄥ " shape accommodation groove 3131 is equipped in body 313, the flange 311 upper sides close to rack 1 are equipped with through-hole 3132, the through-hole
3132 are connected to accommodation groove 3131；
As shown in Fig. 5~Fig. 8, isolation axis 61 is connect by link mechanism with isolation knife 21, and link mechanism is arranged in upper casing
In body 313, be isolated it is corresponding with link mechanism on axis 61 be equipped with first and turn wall 611, link mechanism includes first connecting rod 22, the
Two connecting rods 23 and third connecting rod 24, first connecting rod 22 are passed down through through-hole 3132 and the first end of first connecting rod 22 are made to be articulated in phase
Corresponding first turns on wall 611, and the middle part of second connecting rod 23 is articulated in upper housing 313 on the two sidewalls of accommodation groove 3131, the
The first end of two connecting rods 23 is articulated in the second end of first connecting rod 22, and the first end of third connecting rod 24 is articulated in second connecting rod 23
Second end, the second end of third connecting rod 24 are articulated in isolation knife 21, and third connecting rod 24 can drive isolation knife 21 to be rotated, and
The second end of isolation knife 21 and the upper junction block 100 can be made to carry out point/close.
On the basis of the above embodiments, it is preferred that as shown in fig. 6, the fuse 5 is detachably arranged at the epoxy
The side of the separate rack 1 of pole 31, the upper end of fuse 5 are connected to the lower end of vacuum interrupter 32 by the portion 53 that is flexible coupling,
The upper end of fuse 5 is higher than the lower end of vacuum interrupter 32.
The upper end of fuse is connected to the lower end of vacuum interrupter by the portion that is flexible coupling in the present embodiment, thus by fuse
It moves up, further shortens the length and volume of combined electrical apparatus, so that combined electrical apparatus is more compact.
On the basis of the above embodiments, it is preferred that as shown in Figure 4 and Figure 6, the upper end of fuse 5 is connected with fixed molten
The upper molten card 51 of disconnected device 5, upper molten card 51 are fixed on epoxy pole 31, the copper that portion 53 is stepped rising that is flexible coupling
Row, the lower end in the portion 53 that is flexible coupling are connect with the lower end of vacuum interrupter 32, and the upper end in the portion 53 that is flexible coupling is connect with upper molten card 51.
On the basis of the above embodiments, it is preferred that as shown in Figure 5 and Figure 6, the load axis 62 is arranged in the isolation
The lower section of axis 61, the lower end of the vacuum interrupter 32 are connected with lower pull rod 33, and load axis 62 passes through operating mechanism and lower pull rod
33 connections, and drop-down bar 33 can be driven to move up and down divide/conjunction with realize dynamic/static contact 35 in vacuum interrupter 32；
As shown in Figure 5 and Figure 6, operating mechanism includes insulation pulling plate 36, excess of stroke bar assembly 37, the first end of insulation pulling plate 36
It is articulated on lower pull rod 33, insulation pulling plate 36 passes through the epoxy pole 31 close to the side wall of the rack 1 and is articulated in the side
On wall, the second end of insulation pulling plate 36 is extended between epoxy pole 31 and the rack 1, the lower end pivot joint of excess of stroke bar assembly 37
It is corresponding with operating mechanism in the second end of insulation pulling plate 36, load axis 62 to be equipped with second and turn wall 621, excess of stroke bar assembly 37
Upper end be articulated in second and turn on wall 621.
Operating mechanism and fuse are separately positioned on the two sides of epoxy pole in the present embodiment, and operating mechanism and fuse are all
It carries out certain distance to move up, so that combination and electric appliance or so stress balance, uniformly, and then makes the uniform force, flat of switchgear
Weighing apparatus, the stability of switchgear is good, also makes combined electrical apparatus compact-sized, and the overall weight of combined electrical apparatus will not be made all to concentrate on out
In addition a certain position for closing cabinet can also shorten the length of combined electrical apparatus, reduce the volume of combined electrical apparatus, more suitable using this structure
The combined electrical apparatus of vertical flush mounting type is closed, the requirement of vertical paperback is preferably met.
Operating mechanism is in the side of epoxy pole in the present embodiment, compared to traditional actuating below vacuum interrupter
Mechanism can be such that the height of entire combined electrical apparatus shortens dramatically；The arrangement of entire combined electrical apparatus is facilitated to install, while the of isolation knife
The static contact of one end and vacuum interrupter upper end is hinged, and realizes that the zero distance of disconnecting switch and on-load switch connects, therefore whole
Body structure is very compact, small in size, is conducive to the miniaturization of switchgear.
On the basis of the above embodiments, it is preferred that as shown in Fig. 7, Fig. 6 and Fig. 4, the bottom end of the lower case 314 has
There is under shed 3141, the side far from the rack 1 of lower case 314 is equipped with side opening 3142, and side opening 3142 is arranged in institute
It states the lower section of vacuum interrupter 32 and extends to the bottom end of lower case 314, be removably equipped with to cover under conjunction in lower case 314 and open
The lower cover 38 of mouth 3141 and side opening 3142, lower cover 38 extend downward into the lower section of lower case 314, the lower end connection of fuse 5
There is the lower molten card 52 of fixed fuse 5, lower molten card 52 is fixed on the bottom of lower cover 38, and 5 lower end of fuse is also connected with lower wiring
Seat 200.
Lower cover has multiple action in the present embodiment, on the one hand plays the role of lower case in lid cyclization oxygen pole, in turn
The lower case of epoxy pole can be sealed, play insulating effect, guarantee safety, on the other hand, the lower end of fuse is direct
It is connected to the bottom of lower cover, plays the role of supporting fixed fuse, so that combined electrical apparatus structure is simple, compact, and then reduce
The volume of combined electrical apparatus.
On the basis of the above embodiments, it is preferred that as shown in Fig. 6 and Fig. 4, the earthing switch includes 42 He of earthing
Be grounded cutter holder 41, earthing 42 is connect by linking arm 43 with the grounding shaft 63, be grounded cutter holder 41 be fixedly connected on it is described under
The bottom of lid 38, ground connection cutter holder 41 are located at lower cover 38 close to the side of the rack 1, and grounding shaft 63 can be driven by linking arm 43
Earthing 42 is rotated, and is able to achieve earthing 42 and is grounded dividing/closing for cutter holder 41.
Lower cover also acts as the effect for being connected and fixed ground connection cutter holder in the present embodiment, and grounding shaft can be driven by linking arm and is grounded
Knife is rotated, to be grounded knife and be grounded dividing/closing for cutter holder, ground connection cutter holder is directly anchored to the bottom of lower cover, passes through
The multiple function of lower cover can use lower cover while be sealed epoxy pole, support fixed fuse, be fixedly connected with earthing
Folder, so that the simplification combined electrical apparatus structure of high degree further reduces combined electrical apparatus so that combined electrical apparatus structure is more compact
Volume.
On the basis of the above embodiments, it is preferred that further include rotation axis 64, pull rod as shown in Fig. 9, Figure 10 and Figure 11
71, the first pin shaft 72, the second pin shaft 73 and fulcrum bearing 74；
As shown in Fig. 9, Figure 10 and Figure 11, the lower cover 38 is downwardly extending two side plates 384 being oppositely arranged, and two
Corresponding respectively on side plate 384 to be equipped with an arc groove 3841, the first pin shaft 72 is arranged between two side plates 384, the first pin
The both ends of axis 72 are limited in the arc groove 3841 of two side plates 384, the first pin shaft 72 can the both ends of arc groove 3841 it
Between moved, rotation axis 64 is arranged in the top of the grounding shaft 63 and is hubbed in the rack 1, the first end of pull rod 71
It is connect with rotation axis 64, the second end of pull rod 71 is extended between two side plates 384 and is articulated on the first pin shaft 72；
As shown in Fig. 9, Figure 10 and Figure 11, the second pin shaft 73 is arranged between two side plates 384 and is located at first pin
The lower section of axis 72, the both ends of the second pin shaft 73 are articulated on two side plates 384, and second side of lower cover 38 is arranged in fulcrum bearing 74,
Fulcrum bearing 74 is upwardly extended to be formed and be supported with 74 integrally formed two cursors 741 of fulcrum bearing, two cursors 741 to separate
The direction of seat 74 is tilted a certain angle, and two cursors 741 are separately positioned on the outside of two side plates 384, two in fulcrum bearing 74
The top of a cursor 741 is articulated in the both ends of the first pin shaft 72 respectively, the bottom difference of two cursors 741 in fulcrum bearing 74
It is articulated in the both ends of the second pin shaft 73；
As shown in Fig. 9, Figure 10 and Figure 11, arc groove 3841 has first end and the second end, and rotation axis 64 can pass through
Pull rod 71 drives the first pin shaft 72 to move against to the first end of arc groove 3841, and is strained and fixed to lower cover 38, together
When fulcrum bearing 74 can be rotated up around the second pin shaft 73 to the position for supporting fixed fuse 5；Rotation axis 64 can also pass through pull rod
71 the first pin shafts 72 of drive are moved to the second end of arc groove 3841, and unclamp lower cover 38, while fulcrum bearing 74 can be around the
Two pin shafts 73 are swung down to far from the position for supporting fixed fuse 5.
Rotation axis can tense lower cover by pull rod in one side the present embodiment, and then be able to achieve and be reliably fixed to lower cover,
It avoids lower cover from falling, guarantees insulation stability, securely and reliably；Under rotation axis can also unclamp in another aspect the present embodiment
Lid, and then guarantee the smooth disassembly and assembly of lower cover.
Specifically, as shown in Fig. 9, Figure 10 and Figure 11, rotation axis 64 can drive the movement of the first pin shaft 72 to support by pull rod 71
Be strained and fixed by the first end to arc groove 3841, and to lower cover 38, at the same fulcrum bearing 74 can around the second pin shaft 73 to
On turn to the position for supporting fixed fuse；Rotation axis 64 can also drive the first pin shaft 72 to arc groove 3841 by pull rod 71
Second end moved, and unclamp lower cover 38, at the same fulcrum bearing 74 can be swung down to around the second pin shaft 73 it is solid far from support
Determine the position of fuse.
Fulcrum bearing is connected directly between on lower lid by the first pin shaft and the second pin shaft in the present embodiment, does not need separately to fix
On the rack, structure is simple, can simplify structure, and keep overall structure more compact, and then can reduce the volume of switchgear for connection.
Rotation axis drives the first pin shaft to move against to the first end of arc groove by pull rod in one side the present embodiment
When, it can not only be strained and fixed to lower cover, moreover it is possible to while it is rotated up fulcrum bearing to the fixed fusing of support around the second pin shaft
The position of device then plays the role of supporting fixed fuse；Rotation axis can be driven by pull rod in another aspect the present embodiment
When first pin shaft is moved to the second end of arc groove, lower cover can not only be unclamped, moreover it is possible to while making fulcrum bearing around the second pin shaft
It is swung down to far from the position for supporting fixed fuse, and then convenient for the disassembly and assembly of fuse.
On the basis of the above embodiments, it is preferred that as shown in Figure 9 and Figure 10, the lower cover 38 is also downwardly extending
Connect the engagement plate 385 of two side plates 384, described two side plates 384 and engagement plate 385 surround one jointly and allow bit space 386, should
Bit space 386 is allowed to open wide to the first side of lower cover 38.
The first pin shaft can be moved allowing in bit space in the present embodiment, and the present embodiment is by setting engagement plate, and one
Aspect can be used in the fixed lower molten card of installation, and lower molten card is used to support fuse, on the other hand can be used in being connected and fixed ground connection
Cutter holder carries out multiple utilization to lower cover to realize, is further simplified the connection structure of lower molten card and ground connection cutter holder, reduces switch
Cabinet body product, is conducive to the miniaturization of switchgear.
On the basis of the above embodiments, it is preferred that further include one for described in installation diagram 4 as shown in Figure 9 and Figure 10
It is grounded the V shaped slab 387 of cutter holder, the fulcrum bearing 74 is arranged in the outside of engagement plate 385 and is spaced between engagement plate 385 certain
Distance, there are two wooden partition, a wooden partition passes through between fulcrum bearing 74 and engagement plate 385 upwards and is fixed on rank the tool of V shaped slab 387
On the lateral wall of fishplate bar 385, another wooden partition passes through from the bottom end of engagement plate 385 and is tilted a certain angle the rank extended upwardly to
385 inside of fishplate bar, another wooden partition is for installing dead earth cutter holder, it should be noted that the inside of engagement plate 385 refers to
Engagement plate 385, which is located at, allows the side of bit space 386, and the outside of engagement plate 385 refers to engagement plate 385 away from allowing bit space 386
Side.
On the basis of the above embodiments, it is preferred that as shown in Figure 9 and Figure 10, the fulcrum bearing 74 and the cursor
It is linked into an integrated entity between 741 by support arm 742.
On the basis of the above embodiments, it is preferred that as shown in Figure 9 and Figure 10, the rotation axis 64 is equipped with and turns wall 75,
The first end of the pull rod 71, which is articulated in, to turn on wall 75.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. vertical flush mounting type high voltage load switch-fuse combined electric apparatus, including rack, disconnecting switch, on-load switch, ground connection are opened
It closes and fuse, the side of rack is equipped with operating mechanism, isolation axis, the load axis by operating mechanism control are pivoted in rack
And grounding shaft, isolation axis, load axis and grounding shaft can control disconnecting switch, on-load switch and earthing switch respectively and carry out point/conjunction,
It is characterized in that, the top of rack is equipped with installation frame, there is mounting hole, there are three on-load switch tools and arranges on installation frame
It sets and integrally formed epoxy pole, three epoxy poles protrudes to form a flange to its surrounding respectively, on three epoxy poles
Flange side-by-side the insulating barrier matched with installation frame upper installing hole, the two sides up and down of insulating barrier are collectively formed
Be respectively formed bus-bar room and switch gear room, be equipped with vacuum interrupter in each epoxy pole, the upper end of vacuum interrupter with keep apart
Connection connects, and the lower end of vacuum interrupter and the upper end of fuse connect, and the lower end of fuse is connect with earthing switch；
The epoxy pole has lower case, and the top of lower case protrudes to be formed and lower casing body by integral forming to the surrounding of lower case
Square-shaped flange, the intracorporal top of lower casing is equipped with accommodating chamber, and the vacuum interrupter is mounted in accommodating chamber；
The flange upwardly extends to form one and the integrally formed upper housing of lower case, and the top of accommodating chamber, which is equipped with, separates upper housing
With the partition of lower case, the upper end of vacuum interrupter is connected with inlet wire bar, and inlet wire bar, which passes through partition and extends downward into vacuum, to go out
In arc chamber, inlet wire bar upper end is connected with static contact, and static contact is fixed on partition, and the top of upper housing is located at static contact
Top is fixed with junction block；
The lower section every located off-axis between the epoxy pole and rack and positioned at the flange, the disconnecting switch tool
There is isolation knife corresponding with static contact, the first end of isolation knife is articulated on static contact, and isolation axis is connect with isolation knife, and energy
Isolation knife is driven to be rotated, so that the second end of isolation knife and upper junction block carry out point/conjunction；
The upper housing is " ㄥ " shape, and " ㄥ " shape accommodation groove is equipped in upper housing, is set on the flange position close to the side of rack
There is through-hole, which is connected to accommodation groove；
Isolation axis is connect by link mechanism with isolation knife, and link mechanism is arranged in upper housing, is isolated on axis and link mechanism
Corresponding to be equipped with first and turn wall, link mechanism includes first connecting rod, second connecting rod and third connecting rod, and first connecting rod is passed down through
Through-hole simultaneously makes the first end of first connecting rod be articulated in corresponding first to turn on wall, be articulated in upper housing in the middle part of second connecting rod
On the two sidewalls of accommodation groove, the first end of second connecting rod is articulated in the second end of first connecting rod, the first end pivot joint of third connecting rod
It is articulated in isolation knife in the second end of the second end of second connecting rod, third connecting rod, third connecting rod can drive isolation knife to be turned
It is dynamic, and the second end of isolation knife and the upper junction block can be made to carry out point/conjunction.
2. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 1, which is characterized in that institute
The side that fuse is detachably arranged at the separate rack of the epoxy pole is stated, the upper end of fuse passes through the portion's connection that is flexible coupling
In the lower end of vacuum interrupter, the upper end of fuse is higher than the lower end of vacuum interrupter.
3. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 2, which is characterized in that molten
The upper end of disconnected device is connected with the upper molten card of fixed fuse, and upper molten fixing is scheduled on the epoxy pole, and the portion that is flexible coupling is
The copper bar of stepped rising, the lower end in the portion that is flexible coupling and the lower end of vacuum interrupter connect, and the upper end in the portion that is flexible coupling is melted with upper
Card connection.
4. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 1, which is characterized in that institute
The lower section that the isolation axis is arranged in load axis is stated, the lower end of the vacuum interrupter is connected with lower pull rod, and load axis passes through behaviour
Motivation structure is connect with lower pull rod, and drop-down bar can be driven to move up and down, with realize dynamic/static contact in vacuum extinction room point/close；
Operating mechanism includes insulation pulling plate, excess of stroke bar assembly, and the first end of insulation pulling plate is articulated on lower pull rod, and insulation pulling plate is worn
The epoxy pole is crossed close to the side wall of the rack and is pivotally connected on the side wall, the second end of insulation pulling plate extends to epoxy pole
Between column and the rack, the lower end of excess of stroke bar assembly is articulated in the second end of insulation pulling plate, on load axis with operating mechanism phase
Corresponding to be equipped with second and turn wall, the upper end of excess of stroke bar assembly is articulated in second and turns on wall.
5. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 1, which is characterized in that institute
The bottom end for stating lower case has under shed, and the side far from the rack of lower case is equipped with side opening, and side opening is arranged in institute
State the lower section of vacuum interrupter and extend to the bottom end of lower case, in lower case removably be equipped with can cover conjunction under shed and side open
The lower cover of mouth, lower cover extend downward into the lower section of lower case, and the lower end of fuse is connected with the lower molten card of fixed fuse, lower molten
The bottom for being scheduled on lower cover is fixed, fuse lower end is also connected with lower junction block.
6. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 5, which is characterized in that institute
Stating earthing switch includes earthing and ground connection cutter holder, and for earthing by linking arm and the ground connection axis connection, earthing is clamping fixed
It is connected to the bottom of the lower cover, ground connection cutter holder is located at lower cover close to the side of the rack, and grounding shaft can pass through linking arm band
Dynamic earthing is rotated, and is able to achieve earthing and is grounded dividing/closing for cutter holder.
7. vertical flush mounting type high voltage load switch-fuse combined electric apparatus according to claim 6, which is characterized in that also
Including rotation axis, pull rod, the first pin shaft, the second pin shaft and fulcrum bearing；
The lower cover is downwardly extending two side plates being oppositely arranged, corresponding respectively on two side plates to be equipped with an arc
Slot, the first pin shaft are arranged between two side plates, and the both ends of the first pin shaft are limited in the arc groove of two side plates, the first pin
Axis can be moved between the both ends of arc groove, and rotation axis is arranged in the top of the grounding shaft and is hubbed on the rack
On, the first end and rotation axis connection, the second end of pull rod of pull rod are extended between two side plates and are articulated on the first pin shaft；
The lower section between two side plates and being located at first pin shaft is arranged in second pin shaft, and the both ends of the second pin shaft are articulated in two
On a side plate, second side of lower cover is arranged in fulcrum bearing, and fulcrum bearing upwardly extends to be formed to be turned with fulcrum bearing integrally formed two
Swing arm, two cursors are tilted a certain angle to the direction far from fulcrum bearing, and two cursors are separately positioned on two side plates
Outside, the top of two cursors is articulated in the both ends of the first pin shaft respectively in fulcrum bearing, the bottom of two cursors in fulcrum bearing
Portion is articulated in the both ends of the second pin shaft respectively；
Arc groove has first end and the second end, and rotation axis can drive the first pin shaft to move against to arc groove by pull rod
First end, and be strained and fixed to lower cover, while fulcrum bearing can be rotated up to the fixed fusing of support around the second pin shaft
The position of device；Rotation axis can also drive the first pin shaft to be moved to the second end of arc groove by pull rod, and unclamp lower cover, together
When fulcrum bearing can be swung down to around the second pin shaft far from the position for supporting fixed fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862335.3A CN106169712B (en) | 2016-09-29 | 2016-09-29 | Vertical flush mounting type high voltage load switch-fuse combined electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862335.3A CN106169712B (en) | 2016-09-29 | 2016-09-29 | Vertical flush mounting type high voltage load switch-fuse combined electric apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106169712A CN106169712A (en) | 2016-11-30 |
| CN106169712B true CN106169712B (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610862335.3A Active CN106169712B (en) | 2016-09-29 | 2016-09-29 | Vertical flush mounting type high voltage load switch-fuse combined electric apparatus |
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| Country | Link |
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| CN (1) | CN106169712B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763884A (en) * | 2004-10-21 | 2006-04-26 | 施耐德电器工业公司 | Electromechanical trigger and an electronical safety appliance with the same |
| CN203312690U (en) * | 2013-06-28 | 2013-11-27 | 浙江天润电力科技有限公司 | Combined electric appliance with isolation, load, fusing and grounding functions |
| CN204088172U (en) * | 2014-07-23 | 2015-01-07 | 福建东方电器有限公司 | A kind of vacuum load switch for household |
| CN206060022U (en) * | 2016-09-29 | 2017-03-29 | 协成科技股份有限公司 | Vertical flush mounting type high voltage load switch fuse combined electric apparatus |
-
2016
- 2016-09-29 CN CN201610862335.3A patent/CN106169712B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763884A (en) * | 2004-10-21 | 2006-04-26 | 施耐德电器工业公司 | Electromechanical trigger and an electronical safety appliance with the same |
| CN203312690U (en) * | 2013-06-28 | 2013-11-27 | 浙江天润电力科技有限公司 | Combined electric appliance with isolation, load, fusing and grounding functions |
| CN204088172U (en) * | 2014-07-23 | 2015-01-07 | 福建东方电器有限公司 | A kind of vacuum load switch for household |
| CN206060022U (en) * | 2016-09-29 | 2017-03-29 | 协成科技股份有限公司 | Vertical flush mounting type high voltage load switch fuse combined electric apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106169712A (en) | 2016-11-30 |
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