CN106229210A - High voltage load switch fuse combined electric apparatus - Google Patents
High voltage load switch fuse combined electric apparatus Download PDFInfo
- Publication number
- CN106229210A CN106229210A CN201610862983.9A CN201610862983A CN106229210A CN 106229210 A CN106229210 A CN 106229210A CN 201610862983 A CN201610862983 A CN 201610862983A CN 106229210 A CN106229210 A CN 106229210A
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- CN
- China
- Prior art keywords
- interlocking arm
- frame
- interlocking
- fuse
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/12—Adaptation for built-in fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
Abstract
The open a kind of high voltage load switch fuse combined electric apparatus of the present invention, including frame and combined electrical apparatus assembly, the both sides of frame are fixed with installing plate respectively, operating mechanism is arranged on the installing plate of frame side, and the installing plate of frame opposite side is provided with isolation axle, load axis and the interlocking mechanism of grounding shaft；Described interlocking mechanism includes the first interlocking arm, the second interlocking arm, the 3rd interlocking arm, the 4th interlocking arm and escapement, 3rd interlocking arm and escapement are hubbed in described frame, 3rd interlocking arm is arranged between the second interlocking arm and the 4th interlocking arm, second interlocking arm and the 3rd interlocking arm are connected by blocking lever, escapement is arranged between the 3rd interlocking arm and the 4th interlocking arm, and the first interlocking arm, the second interlocking arm, the 3rd interlocking arm and the 4th interlocking arm neighboring are respectively equipped with locating slot.The present invention realizes isolating axle, load axis and the mechanical interlocking of grounding shaft by arranging interlocking mechanism, it is ensured that the safe operation of electric equipment, safe and reliable.
Description
Technical field
The present invention relates to the technical field of electric equipment, particularly relate to a kind of high voltage load switch-fuse combined electric apparatus.
Background technology
High voltage load switch is generally of disconnecting switch, on-load switch main body and earthed switch, wherein, isolation axle drive every
Leaving pass and carry out divide-shut brake, load axis drives on-load switch main body deciliter load, and grounding shaft drives earthed switch to carry out divide-shut brake,
During the conducting of on-load switch main body load, disconnecting switch is closed a floodgate, grounding switch tripping, when on-load switch main body load disconnects, and isolation
Switch separating brake, earthed switch closes a floodgate.In prior art during the conducting of on-load switch main body load, the easy maloperation of disconnecting switch is carried out
Separating brake, the easy maloperation of earthed switch closes a floodgate, and when on-load switch main body load disconnects, the easy maloperation of disconnecting switch is carried out
Closing a floodgate, the easy maloperation of earthed switch carries out separating brake, and then can produce potential safety hazard, causes the generation of production accident.
Chinese patent literature CN203312690U discloses the isolation of a kind of band, load, fusing, the combined electrical apparatus of grounding function,
In this technical scheme, combined electrical apparatus is that side is contained on the sidewall of frame or switch cubicle, will combined electrical apparatus from frame or switch
The side assembling of cabinet is fixed on the sidewall of frame or the sidewall of switch cubicle, and existing switch cubicle is wider, and existing combined electrical apparatus is whole
Body is the most elongated, is limited by combined electrical apparatus volume and height, and existing combined electrical apparatus the most all can only use side dress fixed installation
Mode.This side dress mode has the disadvantages that and not enough:
1, the most elongated due to existing combined electrical apparatus entirety so that the gravity of combined electrical apparatus is more concentrated, and side dress mode meeting
Make combined electrical apparatus concentrate on the side of switch cubicle, thus the distribution of force inequality of switch cubicle can be caused, affect the steady of integral device
Qualitative.
2, heavier due to combined electrical apparatus, side dress combined electrical apparatus can cause switch cubicle to be deformed, and then door of switch cabinet
On handle hole and operating mechanism on handle hole can not corresponding matching exactly, thus can not be to the handle hole on operating mechanism
Operate, it is impossible to combined electrical apparatus is controlled, prior art be make handle hole on door of switch cabinet with on operating mechanism
Handle hole alignment, it will usually increasing the handle hole on door of switch cabinet, this will reduce the intensity of door of switch cabinet further,
Thus the strength and stability of switch cubicle can be reduced.
3, need during the dress of side lift on artificial or hold in the palm combined electrical apparatus, combined electrical apparatus is aligned in the sidewall of frame or opens
After closing the installing hole on the sidewall of cabinet, combined electrical apparatus is fixedly mounted on the sidewall of frame or the sidewall of switch cubicle the most again
On, owing to combined electrical apparatus is heavier, the biggest inconvenience can be brought to operation, additionally during the dress of side, working space is little, needs many people to coordinate
Completing together, working performance is low, and task difficulty is big, and cost of labor is high.
4, after completing the side dress of combined electrical apparatus, in addition it is also necessary to make and install the insulating barrier of bus-bar room and switch gear room again, dress
Join complex procedures, manufacture efficiency low.
A kind of band isolation, load, fusing, the combination of grounding function disclosed in above-mentioned Chinese patent literature CN203312690U
In electrical equipment, pole be use sealing mode by vacuum interrupter sealing in pole, on the one hand sealing complex process, cause group
Closing electrical equipment and manufacture complexity, manufacture efficiency low, on the other hand, sealing technology difficulty is big, can produce the underproof problem of sealing, not only
Reducing conforming product rate, cause waste, also bring along potential safety hazard, additionally prior art vacuum interrupter also needs to sulfuration, enters
One step increases task difficulty and complicates technique.Additionally, use the mode of sealing, vacuum interrupter can be made to become elongated, can increase
The height of combined electrical apparatus, thus the volume of switch cubicle can be increased, owing to the upper and lower contact of vacuum interrupter is relatively thin, it is not easy to and fusing
Device and the connection of disconnecting switch, increase assembly difficulty.
Chinese patent literature CN203312690U discloses the isolation of a kind of band, load, fusing, the combined electrical apparatus of grounding function,
In this technical scheme, fuse is provided in the lower section of pole, owing to fuse position is on the lower side so that combined electrical apparatus upper and lower across
Degree is big, and the entire length causing combined electrical apparatus is longer, loosely organized, thus can increase the volume of switch cubicle, it addition, fuse is again
Being connected in frame by insulator, connected mode is complicated, and assembly difficulty is big.
Chinese patent literature CN203312690U discloses the isolation of a kind of band, load, fusing, the combined electrical apparatus of grounding function,
In this technical scheme, three fuses support seats 101 are connected in frame 1 by three insulators 102 respectively, three fuses
The lower end supporting seat 101 is respectively provided with the cutter holder matched with grounding switch 81, and this employing insulator fixes fuse and ground connection
The mode structure of cutter holder is complicated, also can increase the height of combined electrical apparatus, volume and weight, and assembly difficulty is big.
Summary of the invention
It is an object of the invention to provide one be capable of isolating axle, interlock between load axis and grounding shaft, ensure raw
Produce safely, avoid the high voltage load switch-fuse combined electric apparatus of maloperation.
For solving above-mentioned technical problem, the present invention provides techniques below scheme:
High voltage load switch-fuse combined electric apparatus, including frame and the combined electrical apparatus that is made up of high voltage load switch-fuse
Assembly, combined electrical apparatus assembly is installed in frame, and the both sides of frame are fixed with installing plate respectively, and combined electrical apparatus assembly has behaviour
Making mechanism and the isolation axle, load axis and the grounding shaft that are controlled by operating mechanism, isolation axle, load axis and grounding shaft are hubbed on frame
Going up and between the installing plate of frame both sides, the two ends of isolation axle, load axis and grounding shaft are each passed through and are hubbed at frame
The installing plate of both sides, operating mechanism is arranged on the installing plate of frame side and is connected with isolation axle, load axis and grounding shaft, machine
The installing plate of frame opposite side is provided with isolation axle, load axis and the interlocking mechanism of grounding shaft；
Described interlocking mechanism includes the first interlocking arm, the second interlocking arm, the 3rd interlocking arm, the 4th interlocking arm and escapement, first
Hammerlock, the second interlocking arm and the 4th interlocking arm are respectively fixedly connected with in isolation axle, load axis and the end of grounding shaft, the first interlocking
Arm and the second interlocking arm are up and down against arranging and can rotate simultaneously, and the 3rd interlocking arm and escapement are hubbed in described frame,
3rd interlocking arm is arranged between the second interlocking arm and the 4th interlocking arm, and the second interlocking arm and the 3rd interlocking arm are joined by blocking lever
Being dynamically connected, escapement is arranged between the 3rd interlocking arm and the 4th interlocking arm, the first interlocking arm, the second interlocking arm, the 3rd interlocking arm
Be respectively equipped with the first locating slot, the second locating slot, the 3rd locating slot and the 4th locating slot on the 4th interlocking arm neighboring；
During conducting load, grounding shaft can drive the 4th locating slot of the 4th interlocking arm to turn to position upward, the first interlocking arm
The first locating slot can turn to the position that fastens with the neighboring of the second interlocking arm, the second interlocking arm can pass through blocking lever
Driving the 3rd interlocking arm to rotate, the neighboring of the 3rd interlocking arm can be pressed down escapement and make the lower rotation of escapement to the
The position that 4th locating slot of four interlocking arms fastens；
When disconnecting load, the second interlocking arm can drive the 3rd interlocking arm to rotate by blocking lever, and makes the 3rd interlocking arm
3rd locating slot turns to position down, and the second locating slot of the second interlocking arm can turn to and the first interlocking arm neighboring
The position fastened, the neighboring of the 4th interlocking arm can upwardly escapement make the top of escapement turn to and the 3rd interlocking
The position that 3rd locating slot of arm fastens.
Further, described combined electrical apparatus assembly also includes disconnecting switch, on-load switch, earthed switch and fuse, institute
State isolation axle, load axis and grounding shaft can control disconnecting switch, on-load switch and earthed switch respectively and carry out point/conjunction, frame
Top is provided with installation frame, and installation frame is fixedly connected between the installing plate of frame both sides, and installation frame has installing hole,
On-load switch has three and is arranged side by side and integrated epoxy pole, and three epoxy poles protrude to its surrounding respectively and formed
One flange, flange on three epoxy poles is side-by-side be collectively forming the insulation that matches with installing hole on installation frame every
Plate, the both sides up and down of insulating barrier form bus-bar room and switch gear room respectively, are provided with vacuum interrupter, vacuum in each epoxy pole
The upper end of arc-chutes is connected with disconnecting switch, and the lower end of vacuum interrupter is connected with the upper end of fuse, the lower end of fuse with
Earthed switch connects.
Further, described epoxy pole has lower house, the surrounding of the top down housing of lower house protrude formed with
The integrated square-shaped flange of lower house, the top in lower house is provided with receiving chamber, and described vacuum interrupter is arranged on receiving chamber
In.
Further, described flange upwardly extends formation one and the integrated upper shell of lower house, accommodates the top in chamber
Being provided with the dividing plate separating upper shell and lower house, the upper end of vacuum interrupter connects inlet wire bar, inlet wire bar through dividing plate and to
Under extend in vacuum interrupter, inlet wire bar upper end connect have static contact, static contact to be fixedly installed on dividing plate, the top of upper shell
Portion is positioned at the fixed above of static contact and is provided with junction block；
Described isolation axle is arranged between described epoxy pole and frame and is positioned at the lower section of described flange, and described disconnecting switch has
Having the isolation knife corresponding with static contact, the first end of isolation knife is articulated on static contact, and isolation axle is connected with isolation knife, and energy
Isolation knife is driven to rotate, so that the second end of isolation knife and upper junction block carry out point/conjunction.
Further, described upper shell is " ㄥ " shape, is provided with " ㄥ " shape storage tank in upper shell, close on described flange position
The side of frame is provided with through hole, and this through hole connects with storage tank；
Isolation axle is connected with isolation knife by linkage, and linkage is arranged in upper shell, with linkage on isolation axle
Corresponding being provided with first and turn wall, linkage includes first connecting rod, second connecting rod and third connecting rod, and first connecting rod is passed down through
Through hole also makes the first end of first connecting rod be articulated in corresponding first to turn on wall, and the middle part of second connecting rod is articulated in upper shell
On the two side of storage tank, 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
At the second end of second connecting rod, the second end of third connecting rod is articulated in isolation knife, and third connecting rod can drive isolation knife to carry out turning
Dynamic, and the second end of isolation knife and described upper junction block can be made to carry out point/conjunction.
Further, described fuse is detachably arranged at the side away from frame of described 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, described load axis is arranged on the lower section of described isolation axle, and the lower end of described vacuum interrupter connects to be had
Lower link, load axis is connected with lower link by operating mechanism, and lower link can be driven to move up and down, to realize vacuum interrupter
Interior dynamic/static contact 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 link, and insulation pulling plate is worn
Crossing described epoxy pole near the sidewall of described frame pivot joint on the side wall, the second end of insulation pulling plate extends to epoxy pole
Between post and described frame, the lower end of excess of stroke bar assembly is articulated in the second end of insulation pulling plate, with operating mechanism phase on load axis
Corresponding being provided with second and turn wall, the upper end of excess of stroke bar assembly is articulated in second and turns on wall.
Further, the bottom of described lower house has under shed, and the side away from described frame of lower house is provided with side
Opening, side opening is arranged on the lower section of described vacuum interrupter and extends to the bottom of lower house, lower house removably set
Having the lower cover that can cover under shed and side opening, lower cover extends downward the lower section of lower house, and the lower end of fuse connects to be had admittedly
Determining the lower molten card of fuse, lower melting fastens the bottom at lower cover, and fuse lower end is also associated with lower junction block.
Further, described earthed switch includes earthing and ground connection cutter holder, and earthing is by linking arm and described ground connection
Axle connects, and earthing folder is fixedly connected on the bottom of described lower cover, and ground connection cutter holder is positioned at the lower cover side near described frame, connects
The earth's axis can drive earthing rotate by linking arm, and can be grounded cutter and ground connection cutter holder point/close.
Further, rotary shaft, pull bar, the first bearing pin, the second bearing pin and a bearing are also included；
Described lower cover is downwardly extending two side plates being oppositely arranged, and the most corresponding on two side plates is provided with an arc
Groove, the first bearing pin is arranged between two side plates, and the two ends of the first bearing pin are limited in the arcuate groove of two side plates, the first pin
Axle can move between the two ends of arcuate groove, and rotary shaft is arranged on the top of described grounding shaft and is hubbed on described frame
On, the first end of pull bar is connected with rotary shaft, and the second end of pull bar extends between two side plates and is articulated on the first bearing pin；
Second bearing pin is arranged between two side plates and is positioned at the lower section of described first bearing pin, and the two ends of the second bearing pin are articulated in two
On individual side plate, a bearing is arranged on the second side of lower cover, and a bearing upwardly extends integrated with a bearing two of formation and turns
Swing arm, two cursors tilt certain angle to the direction away from a bearing, and two cursors are separately positioned on two side plates
Outside, in a bearing, the top of two cursors is articulated in the two ends of the first bearing pin respectively, the end of two cursors in a bearing
Portion is articulated in the two ends of the second bearing pin respectively；
Arcuate groove has first end and the second end, and rotary shaft can drive the first bearing pin to move against to arcuate groove by pull bar
First end, and lower cover is strained and fixed, propping up bearing can be rotated up to supporting fixing fusing around the second bearing pin simultaneously
The position of device；Rotary shaft can also drive the first bearing pin to move to the second end of arcuate groove by pull bar, and unclamps lower cover, with
Time prop up bearing and can be swung down to away from the position supporting fixing fuse around the second bearing pin.
The present invention realizes isolating axle, load axis and the mechanical interlocking of grounding shaft by arranging interlocking mechanism, it is to avoid behaviour by mistake
Make.On the one hand, when turning on load, switch cubicle carries out following action successively: close Over-The-Counter door divide earthed switch close every
Leave and close load switch, by arranging interlocking mechanism, it is to avoid turn on load time disconnecting switch on-load separating brake with
And earthed switch closes a floodgate；On the other hand, when disconnecting load, switch cubicle carries out following action successively: separately load is opened
Closing separation to leave and close earthed switch and open cabinet door, by arranging interlocking mechanism, earthed switch can close
Lock, avoids keeping apart when disconnecting load closing lock and on-load switch closes a floodgate simultaneously.Thus realize safety interlocking, it is ensured that
The safe operation of electric equipment, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of 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 frame in Fig. 1；
Fig. 4 is the structure chart of on-load switch in Fig. 1；
Sectional view when Fig. 5 is that in Fig. 1, disconnecting switch is closed a floodgate；
Fig. 6 is sectional view during disconnecting switch separating brake in Fig. 1；
Fig. 7 is the structure chart of epoxy pole in Fig. 1；
Fig. 8 is the 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 a bearing in Fig. 9；
The structure chart of Figure 12 Shi Tu2Zhong interlocking mechanism；
The structure chart of another state of Figure 13 Shi Tu2Zhong interlocking mechanism.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
High voltage load switch-fuse combined electric apparatus, as depicted in figs. 1 and 2, including frame 1 and by high voltage load switch-
The combined electrical apparatus assembly of fuse composition, combined electrical apparatus assembly is installed in frame 1, and the both sides of frame 1 are fixed with peace respectively
Dress plate 12, combined electrical apparatus assembly has operating mechanism 6 and the isolation axle 61 controlled by operating mechanism, load axis 62 and grounding shaft
63, isolate axle 61, load axis 62 and grounding shaft 63 is hubbed in frame 1 and between the installing plate 12 of frame 1 both sides, isolates
The two ends of axle 61, load axis 62 and grounding shaft 63 are each passed through and are hubbed at the installing plate 12 of frame 1 both sides, and operating mechanism 6 is pacified
It is contained on the installing plate 12 of frame side and is connected with isolation axle 61, load axis 62 and grounding shaft 63, the installation of frame 1 opposite side
Plate 12 is provided with isolation axle 61, load axis 62 and the interlocking mechanism of grounding shaft 63；
Shown in Figure 12 and Figure 13, described interlocking mechanism includes first interlocking arm the 71, second interlocking arm the 72, the 3rd interlocking arm
73, the 4th interlocking arm 74 and escapement 75, first interlocking arm the 71, second interlocking arm 72 and the 4th interlocking arm 74 are respectively fixedly connected with
Isolation axle 61, load axis 62 and the end of grounding shaft 63, the first interlocking arm 71 and the second interlocking arm about 72 are against arranging and energy
Rotating, the 3rd interlocking arm 73 and escapement 75 are hubbed in described frame 1, and the 3rd interlocking arm 73 is arranged on the second interlocking simultaneously
Between arm 72 and the 4th interlocking arm 74, the second interlocking arm 72 is connected by blocking lever 76 with the 3rd interlocking arm 73, escapement 75
It is arranged between the 3rd interlocking arm 73 and the 4th interlocking arm 74, first interlocking arm the 71, second interlocking arm the 72, the 3rd interlocking arm 73 and
First locating slot the 711, second locating slot the 721, the 3rd locating slot 731 and the 4th it is respectively equipped with on 4th interlocking arm 74 neighboring
Locating slot 741；
Shown in Figure 12 and Figure 13, during conducting load, grounding shaft 63 drives the earthed switch in combined electrical apparatus assembly to carry out point
Lock, grounding shaft 63 can drive the 4th locating slot 741 of the 4th interlocking arm 74 to turn to position upward, and isolation axle 61 rotates and carries
Disconnecting switch in dynamic combined electrical apparatus assembly is closed a floodgate, and the first locating slot 711 of the first interlocking arm 71 can turn to and second
The position (not shown in this kind of state diagram) that the neighboring of interlocking arm 72 fastens, thus when load turns on, isolate axle 61
Can not carry out on-load separating brake, load axis 62 rotates and drives the on-load switch in combined electrical apparatus assembly to close a floodgate, and second
Hammerlock 72 can drive the 3rd interlocking arm 73 to rotate by blocking lever 76, and escapement can be pressed down in the neighboring of the 3rd interlocking arm 73
75 and make the position that the lower rotation of escapement 75 fastens to the 4th locating slot 741 with the 4th interlocking arm 74, thus at load
During conducting, grounding shaft 63 can not carry out combined floodgate ground connection；
Shown in Figure 12 and Figure 13, when disconnecting load, load axis 62 rotates and drives the on-load switch in combined electrical apparatus assembly
Carrying out separating brake, the second interlocking arm 72 can drive the 3rd interlocking arm 73 to rotate by blocking lever 76, and makes the 3rd interlocking arm 73
The 3rd locating slot 731 turn to position down, isolation axle 61 rotates and drives keeping apart in combined electrical apparatus assembly to put into
Row separating brake, the second locating slot 721 of the second interlocking arm 72 can turn to the position fastened with the first interlocking arm 71 neighboring,
Thus when load disconnects, and isolate axle 61 and can not close a floodgate, grounding shaft 63 drives the ground connection in combined electrical apparatus assembly to open
Pass carries out combined floodgate ground connection, the neighboring of the 4th interlocking arm 74 can upwardly escapement 75 and make the top of escapement 75 turn to
The position that 3rd locating slot 731 of the 3rd interlocking arm 73 fastens, thus on-load switch can not close a floodgate.
The present embodiment realizes isolating axle, load axis and the mechanical interlocking of grounding shaft by arranging interlocking mechanism, it is to avoid by mistake
Operation.On the one hand, when turning on load, switch cubicle carries out following action successively: closes Over-The-Counter door and divides earthed switch to close
Disconnecting switch is closed on-load switch, by arranging interlocking mechanism, it is to avoid the disconnecting switch on-load separating brake when turning on load
And earthed switch closes a floodgate；On the other hand, when disconnecting load, switch cubicle carries out following action successively: separately load is opened
Closing separation to leave and close earthed switch and open cabinet door, by arranging interlocking mechanism, earthed switch can close
Lock, avoids keeping apart when disconnecting load closing lock and on-load switch closes a floodgate simultaneously.Thus realize safety interlocking, it is ensured that
The safe operation of electric equipment, safe and reliable.
Preferably, as shown in Figure 12 and Figure 13, described escapement 75 is articulated in frame 1 by fork 77, escapement 75 pivot joint
On fork 77.
Preferably, as shown in Figure 12 and Figure 13, described 3rd interlocking arm 73 is coaxially connected with interlocking shaft 78, interlocking shaft 78 pivot
It is connected in described frame 1.
On the basis of above-described embodiment, as shown in FIG. 1 to 3, described combined electrical apparatus assembly also includes disconnecting switch, bears
Lotus switch, earthed switch and fuse 5, described isolation axle 61, load axis 62 and grounding shaft 63 can control disconnecting switch respectively, bear
Lotus switch and earthed switch carry out point/conjunction, and the top of frame 1 is provided with installation frame 11, and installation frame 11 is fixedly connected on frame 1
Between the installing plate 12 of both sides, concrete, installation frame 11 is horizontally disposed with, and frame 1 is common with installing plate 12 and installation frame 11
Surrounding accommodating chamber, installation frame 11 has installing hole 111, shown in Fig. 4, on-load switch has three and is arranged side by side and one
Body formed epoxy pole 31, three epoxy poles 31 protrude to its surrounding respectively and form a flange 311, three epoxy poles 31
On flange 311 side-by-side be collectively forming the insulating barrier matched with installing hole 111 on installation frame 11, insulating barrier
Both sides up and down form bus-bar room and switch gear room respectively, shown in Fig. 5, in each epoxy pole 31, be provided with vacuum interrupter
32, the upper end of vacuum interrupter 32 is connected with disconnecting switch, and the lower end of vacuum interrupter 32 is connected with the upper end of fuse 5, molten
The lower end of disconnected device 5 is connected with earthed switch.
The present embodiment is when assembling combined electrical apparatus assembly, and the epoxy pole in combined electrical apparatus assembly is the most vertically to put down
Being contained on the installation frame of frame, specifically, epoxy pole is straight down through the installing hole of installation frame, and makes epoxy pole
On flange secure fit in the installing hole of installation frame, thus realize the installation of combined electrical apparatus is fixed.
In the present embodiment, the vertical paperback mode of combined electrical apparatus assembly has the advantage that
1, the distribution of force equilibrium, uniformly of switch cubicle, will not make the overall weight of combined electrical apparatus all concentrate on a certain of switch cubicle
Position, the good stability of integral device.
Although 2 combined electrical apparatuses are heavier, but combined electrical apparatus can be supported fixing by whole installation frame, support across
Degree and Area of bearing are big, it is ensured that switch cubicle and the stability of combined electrical apparatus, switch cubicle will not be deformed, and then door of switch cabinet
On handle hole and operating mechanism on handle hole can corresponding matching exactly, it is thus possible to combined electrical apparatus is accurately controlled,
The most do not increase the handle hole on door of switch cabinet, it is ensured that the strength and stability of switch cubicle.
3, the epoxy pole in combined electrical apparatus is that paperback, on the installation frame of frame, avoids the need for during paperback from top to bottom
Lift on Ren Gong or hold in the palm combined electrical apparatus, being placed directly on installation frame, simple to operate, it is not necessary to many people coordinating operation,
During paperback, working space is big, and task difficulty is little, and working performance is high, and cost of labor is low.
4, after completing the paperback of combined electrical apparatus, the both sides up and down of insulating barrier automatically form bus-bar room and switch gear room respectively,
Therefore need not bus-bar room and switch gear room are fabricated separately again, assembly process is simple, manufactures efficiency high.
On the basis of above-described embodiment, it is preferred that as shown in Figure 6 to 8, described epoxy pole 31 has lower house
314, the surrounding of the top down housing 314 of lower house 314 is protruded and is formed and the integrated square-shaped flange of lower house 314 311,
Top in lower house 314 is provided with receiving chamber 312, and described vacuum interrupter 32 is arranged in receiving chamber 312, vacuum interrupter 32
With full skirt, vacuum interrupter 32, without sulfuration, can be directly installed in the epoxy pole that epoxy resin is made.
In the present embodiment, vacuum interrupter is not as prior art employing sealing technique sealing is in pole, but will band
The vacuum interrupter of full skirt is directly installed in epoxy pole, and assembling is simple, does not haves the underproof problem of sealing, manufactures effect
Rate is high, safe and reliable, additionally, the vacuum interrupter being fit directly in epoxy pole is relative to the vacuum extinction in pole
Room can become tubbiness, on the one hand reduces the height of combined electrical apparatus, reduces the volume of combined electrical apparatus, be on the other hand easy to fuse and
Disconnecting switch and the connection of the upper and lower contact of vacuum interrupter, reduce assembly difficulty.
On the basis of above-described embodiment, it is preferred that as shown in Figure 6 to 8, described flange 311 upwardly extends formation one
Upper shell 313 integrated with lower house 314, the top in receiving chamber 312 is provided with and separates upper shell 313 and lower house 314
Dividing plate 315, the upper end of vacuum interrupter 32 connects inlet wire bar 34, and inlet wire bar 34 is through dividing plate 315 and extends downward vacuum
In arc-chutes 32, inlet wire bar 34 upper end connects has static contact 35, static contact 35 to be fixedly installed on dividing plate 315, upper shell 313
Top is positioned at the fixed above of static contact 35 and is provided with junction block 100；
As shown in Figure 6 to 8, described isolation axle 61 is arranged between described epoxy pole 31 and frame 1 and is positioned at described flange
The lower section of 311, described disconnecting switch has the isolation knife 21 corresponding with static contact 35, and the first end of isolation knife 21 is articulated in quiet
On contact 35, isolation axle 61 is connected with isolation knife 21, and isolation knife 21 can be driven to rotate, so that the second end of isolation knife 21
Carry out point with upper junction block 100/close.
On the basis of above-described embodiment, it is preferred that as shown in Fig. 5～Fig. 8, described upper shell 313 is " ㄥ " shape, upper casing
Being provided with " ㄥ " shape storage tank 3131 in body 313, the upper side near frame 1 of described flange 311 is provided with through hole 3132, this through hole
3132 connect with storage tank 3131；
As shown in Fig. 5～Fig. 8, isolation axle 61 is connected with isolation knife 21 by linkage, and linkage is arranged on upper shell 313
In, corresponding with linkage on isolation axle 61 it being provided with first and turn wall 611, linkage includes first connecting rod 22, second even
Bar 23 and third connecting rod 24, first connecting rod 22 is passed down through through hole 3132 and makes the first end of first connecting rod 22 be articulated in corresponding
First turn on wall 611, the middle part of second connecting rod 23 is articulated in upper shell 313 on the two side of storage tank 3131, and second even
First end of bar 23 is articulated in the second end of first connecting rod 22, and the first end of third connecting rod 24 is articulated in the second of second connecting rod 23
End, the second end of third connecting rod 24 is articulated in isolation knife 21, and third connecting rod 24 can drive isolation knife 21 to rotate, and can make
Second end of isolation knife 21 and described upper junction block 100 carry out point/conjunction.
On the basis of above-described embodiment, it is preferred that as shown in Figure 6, described fuse 5 is detachably arranged at epoxy pole
The side away from described frame 1 of 31, the upper end of fuse 5 is 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.
In the present embodiment, the upper end of fuse is connected to the lower end of vacuum interrupter by the portion that is flexible coupling, thus by fuse
Upper shifting, shortens length and the volume of combined electrical apparatus so that combined electrical apparatus is compacter further.
On the basis of above-described embodiment, it is preferred that as shown in Figure 4 and Figure 6, the upper end of fuse 5 connects fixing melting
The upper molten card 51 of disconnected device 5, upper molten card 51 is fixed on epoxy pole 31, described in be flexible coupling the copper that portion 53 is stepped rising
Row, the lower end in the portion 53 that is flexible coupling is connected with the lower end of vacuum interrupter 32, and the upper end in the portion 53 that is flexible coupling is connected with upper molten card 51.
On the basis of above-described embodiment, it is preferred that as shown in Figure 5 and Figure 6, described load axis 62 is arranged on described isolation
The lower section of axle 61, the lower end of described vacuum interrupter 32 connects lower link 33, and load axis 62 is by operating mechanism and lower link
33 connect, and lower link 33 can be driven to move up and down, with realize dynamic/static contact 35 in vacuum interrupter 32 point/close；
As shown in Figure 5 and Figure 6, operating mechanism includes insulation pulling plate 36, excess of stroke bar assembly 37, the first end pivot joint of insulation pulling plate 36
On lower link 33, insulation pulling plate 36 through described epoxy pole 31 near the sidewall of described frame 1 pivot joint on the side wall,
Second end of insulation pulling plate 36 extends between epoxy pole 31 and described frame 1, and the lower end of excess of stroke bar assembly 37 is articulated in absolutely
Second end of edge arm-tie 36, corresponding with operating mechanism on load axis 62 be provided with second and turn wall 621, excess of stroke bar assembly 37 upper
End is articulated in second and turns on wall 621.
In the present embodiment, operating mechanism and fuse are separately positioned on the both sides of epoxy pole, operating mechanism and fuse all
Carry out the upper shifting of certain distance so that combination and electrical equipment left and right stress balance, uniformly, and then make the uniform force of switch cubicle, flat
Weighing apparatus, the good stability of switch cubicle, also make combined electrical apparatus compact conformation, the overall weight of combined electrical apparatus will not be made all to concentrate on out
Close a certain position of cabinet, the most also can shorten the length of combined electrical apparatus, reduce the volume of combined electrical apparatus, use this structure suitableeer
Close the combined electrical apparatus of vertical flush mounting type, preferably meet the requirement of vertical paperback.
In the present embodiment, operating mechanism is in the side of epoxy pole, compares the traditional actuating being in below vacuum interrupter
Mechanism, can make the height of whole combined electrical apparatus shorten dramatically；The layout facilitating whole combined electrical apparatus is installed, simultaneously the of isolation knife
One end is hinged with the static contact of vacuum interrupter upper end, it is achieved disconnecting switch is connected with the zero distance of on-load switch, the most whole
Closely, volume is little for body structure, beneficially the miniaturization of switch cubicle.
On the basis of above-described embodiment, it is preferred that as shown in Fig. 7, Fig. 6 and Fig. 4, the bottom tool of described lower house 314
Having under shed 3141, the side away from described frame 1 of lower house 314 is provided with side opening 3142, and side opening 3142 is arranged on institute
State the lower section of vacuum interrupter 32 and extend to the bottom of lower house 314, lower house 314 being removably provided with to cover down and opens
Mouth 3141 and the lower cover 38 of side opening 3142, lower cover 38 extends downward the lower section of lower house 314, and the lower end of fuse 5 connects
Having the lower molten card 52 of fixing fuse 5, lower molten card 52 is fixed on the bottom of lower cover 38, and fuse 5 lower end is also associated with lower wiring
Seat 200.
In the present embodiment, lower cover has multiple action, on the one hand plays the effect of lower house in epoxy pole that covers, and then
Can seal the lower house of epoxy pole, play insulating effect, it is ensured that safety, on the other hand, the lower end of fuse is direct
It is connected to the bottom of lower cover, plays the effect supporting fixing fuse so that be combined electrical apparatus simple in construction, compact, and then reduce
The volume of combined electrical apparatus.
On the basis of above-described embodiment, it is preferred that as shown in Fig. 6 and Fig. 4, described earthed switch includes earthing 42 He
Ground connection cutter holder 41, earthing 42 is connected with described grounding shaft 63 by linking arm 43, ground connection cutter holder 41 be fixedly connected on described under
The bottom of lid 38, ground connection cutter holder 41 is positioned at the lower cover 38 side near described frame 1, and grounding shaft 63 can be driven by linking arm 43
Earthing 42 rotates, and can be grounded cutter 42 and ground connection cutter holder 41 point/close.
In the present embodiment, lower cover also acts as the effect connecting dead earth cutter holder, and grounding shaft can drive ground connection by linking arm
Cutter rotates, thus be grounded cutter and ground connection cutter holder point/close, ground connection cutter holder is directly anchored to the bottom of lower cover, passes through
The multiple function of lower cover, it is possible to use lower cover carries out sealing epoxy pole, supporting fixing fuse, fixing connection earthing simultaneously
Folder, thus the simplification combined electrical apparatus structure of high degree so that combined electrical apparatus structure is compacter, reduces combined electrical apparatus further
Volume.
On the basis of above-described embodiment, it is preferred that as shown in Fig. 9, Figure 10 and Figure 11, also include rotary shaft 64, pull bar
71, first bearing pin the 72, second bearing pin 73 and a bearing 74；
As shown in Fig. 9, Figure 10 and Figure 11, described lower cover 38 is downwardly extending two side plates 384 being oppositely arranged, two side plates
The most corresponding on 384 being provided with an arcuate groove 3841, the first bearing pin 72 is arranged between two side plates 384, the first bearing pin 72
Two ends be limited in the arcuate groove 3841 of two side plates 384, the first bearing pin 72 can enter between the two ends of arcuate groove 3841
Row is mobile, and rotary shaft 64 is arranged on the top of described grounding shaft 63 and is hubbed in described frame 1, the first end of pull bar 71 with turn
Moving axis 64 connects, and the second end of pull bar 71 extends between two side plates 384 and is articulated on the first bearing pin 72；
As shown in Fig. 9, Figure 10 and Figure 11, the second bearing pin 73 is arranged between two side plates 384 and is positioned at described first bearing pin 72
Lower section, the two ends of the second bearing pin 73 are articulated on two side plates 384, and bearing 74 is arranged on the second side of lower cover 38, supporting
Seat 74 upwardly extends formation and integrated two cursor 741 of bearing 74, and two cursors 741 are to away from a bearing 74
Direction tilt certain angle, two cursors 741 are separately positioned on the outside of two side plates 384, and in bearing 74, two turn
The top of swing arm 741 is articulated in the two ends of the first bearing pin 72 respectively, the bottom of two cursors 741 pivot joint respectively in a bearing 74
Two ends at the second bearing pin 73；
As shown in Fig. 9, Figure 10 and Figure 11, arcuate groove 3841 has first end and the second end, and rotary shaft 64 can pass through pull bar
71 drive the first bearing pin 72 to move against the first end to arcuate groove 3841, and are strained and fixed lower cover 38, prop up simultaneously
Bearing 74 can be rotated up to the position supporting fixing fuse 5 around the second bearing pin 73；Rotary shaft 64 can also be carried by pull bar 71
Dynamic first bearing pin 72 moves to the second end of arcuate groove 3841, and unclamps lower cover 38, and prop up bearing 74 can be around the second pin simultaneously
Axle 73 is swung down to away from the position supporting fixing fuse 5.
On the one hand in the present embodiment, rotary shaft can strain lower cover by pull bar, and then can realize fixing the reliable of lower cover,
Lower cover is avoided to drop, it is ensured that insulation stability, safe and reliable；On the other hand under in the present embodiment, rotary shaft can also be unclamped
Lid, and then ensure dismounting smoothly and the assembling of lower cover.
Specifically, as shown in Fig. 9, Figure 10 and Figure 11, rotary shaft 64 can by pull bar 71 drive the first bearing pin 72 move to
By to the first end of arcuate groove 3841, and lower cover 38 is strained and fixed, prop up simultaneously bearing 74 can around the second bearing pin 73 to
On turn to support the position of fixing fuse；Rotary shaft 64 can also drive the first bearing pin 72 to arcuate groove 3841 by pull bar 71
The second end move, and unclamp lower cover 38, propping up bearing 74 can be swung down to away from supporting solid around the second bearing pin 73 simultaneously
Determine the position of fuse.
In the present embodiment, a bearing is connected directly between down is covered by the first bearing pin and the second bearing pin, it is not necessary to fix separately
It is connected in frame, simple in construction, it is possible to simplify structure, and make overall structure more compact, and then the volume of switch cubicle can be reduced.
On the one hand in the present embodiment, rotary shaft drives the first bearing pin to move against the first end to arcuate groove by pull bar
Time, lower cover can not only be strained and fixed, moreover it is possible to make a bearing be rotated up to supporting fixing fusing around the second bearing pin simultaneously
The position of device, plays the effect supporting fixing fuse then；On the other hand in the present embodiment, rotary shaft can be driven by pull bar
First bearing pin, when the second end of arcuate groove moves, can not only unclamp lower cover, moreover it is possible to make a bearing around the second bearing pin simultaneously
It is swung down to away from the position supporting fixing fuse, and then is easy to dismounting and the assembling of fuse.
On the basis of above-described embodiment, it is preferred that as shown in Figure 9 and Figure 10, described lower cover 38 is also downwardly extending
Connecting the engagement plate 385 of two side plates 384, said two side plate 384 and engagement plate 385 jointly surround one and allow bit space 386, should
Bit space 386 is allowed to open wide to the first side of lower cover 38.
In the present embodiment, the first bearing pin can move in bit space allowing, the present embodiment by arranging engagement plate, one
Aspect can be used in installing fixing lower molten card, and lower molten card is used for supporting fuse, on the other hand can be used in connecting dead earth
Cutter holder, thus realize lower cover is carried out multiple utilization, simplify lower molten card and the attachment structure of ground connection cutter holder further, reduce switch
Cabinet amasss, the beneficially miniaturization of switch cubicle.
On the basis of above-described embodiment, it is preferred that as shown in Figure 9 and Figure 10, also include one for described in installation diagram 4
The V shaped slab 387 of ground connection cutter holder, described bearing 74 be arranged on engagement plate 385 outside and and engagement plate 385 between interval certain
Distance, V shaped slab 387 has two wooden partitions, wooden partition upwards between bearing 74 and engagement plate 385 through and be fixed on rank
On the lateral wall of fishplate bar 385, another wooden partition passes from the bottom of engagement plate 385 and tilts the rank that certain angle extends upwardly to
Inside fishplate bar 385, this another wooden partition is used for installing dead earth cutter holder, it should be noted that the inner side of engagement plate 385 refers to
Engagement plate 385 be positioned at allow the side of bit space 386, the outside of engagement plate 385 refer to engagement plate 385 deviates from allows bit space 386
Side.
On the basis of above-described embodiment, it is preferred that as shown in Figure 9 and Figure 10, described bearing 74 and described cursor
Linked into an integrated entity by support arm 742 between 741.
On the basis of above-described embodiment, it is preferred that as shown in Figure 9 and Figure 10, described rotary shaft 64 is provided with and turns wall 75,
First end of described pull bar 71 is articulated in and turns on wall 75.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. high voltage load switch-fuse combined electric apparatus, electric including frame and the combination being made up of high voltage load switch-fuse
Device assembly, combined electrical apparatus assembly is installed in frame, it is characterised in that the both sides of frame are fixed with installing plate respectively, combination
Electric appliance component has operating mechanism and the isolation axle, load axis and the grounding shaft that are controlled by operating mechanism, isolates axle, load axis and connects
The earth's axis is hubbed in frame and between the installing plate of frame both sides, and the two ends of isolation axle, load axis and grounding shaft are worn respectively
Cross and be hubbed at the installing plate of frame both sides, operating mechanism be arranged on the installing plate of frame side and with isolation axle, load axis
Connecting with grounding shaft, the installing plate of frame opposite side is provided with isolation axle, load axis and the interlocking mechanism of grounding shaft；
Described interlocking mechanism includes the first interlocking arm, the second interlocking arm, the 3rd interlocking arm, the 4th interlocking arm and escapement, first
Hammerlock, the second interlocking arm and the 4th interlocking arm are respectively fixedly connected with in isolation axle, load axis and the end of grounding shaft, the first interlocking
Arm and the second interlocking arm are up and down against arranging and can rotate simultaneously, and the 3rd interlocking arm and escapement are hubbed in described frame,
3rd interlocking arm is arranged between the second interlocking arm and the 4th interlocking arm, and the second interlocking arm and the 3rd interlocking arm are joined by blocking lever
Being dynamically connected, escapement is arranged between the 3rd interlocking arm and the 4th interlocking arm, the first interlocking arm, the second interlocking arm, the 3rd interlocking arm
Be respectively equipped with the first locating slot, the second locating slot, the 3rd locating slot and the 4th locating slot on the 4th interlocking arm neighboring；
During conducting load, grounding shaft can drive the 4th locating slot of the 4th interlocking arm to turn to position upward, the first interlocking arm
The first locating slot can turn to the position that fastens with the neighboring of the second interlocking arm, the second interlocking arm can pass through blocking lever
Driving the 3rd interlocking arm to rotate, the neighboring of the 3rd interlocking arm can be pressed down escapement and make the lower rotation of escapement to the
The position that 4th locating slot of four interlocking arms fastens；
When disconnecting load, the second interlocking arm can drive the 3rd interlocking arm to rotate by blocking lever, and makes the 3rd interlocking arm
3rd locating slot turns to position down, and the second locating slot of the second interlocking arm can turn to and the first interlocking arm neighboring
The position fastened, the neighboring of the 4th interlocking arm can upwardly escapement make the top of escapement turn to and the 3rd interlocking
The position that 3rd locating slot of arm fastens.
High voltage load switch-fuse combined electric apparatus the most according to claim 1, it is characterised in that described combined electrical apparatus
Assembly also includes disconnecting switch, on-load switch, earthed switch and fuse, described isolation axle, load axis and grounding shaft energy respectively
Control disconnecting switch, on-load switch and earthed switch carry out point/conjunction, and the top of frame is provided with installation frame, and installation frame is fixed
Being connected between the installing plate of frame both sides, installation frame has installing hole, on-load switch has three and is arranged side by side and one
Body formed epoxy pole, three epoxy poles protrude to its surrounding respectively and form a flange, the flange on three epoxy poles
Side-by-side it is collectively forming the insulating barrier matched with installing hole on installation frame, the both sides up and down of insulating barrier shape respectively
Becoming bus-bar room and switch gear room, be provided with vacuum interrupter in each epoxy pole, the upper end of vacuum interrupter is connected with disconnecting switch,
The lower end of vacuum interrupter is connected with the upper end of fuse, and the lower end of fuse is connected with earthed switch.
High voltage load switch-fuse combined electric apparatus the most according to claim 2, it is characterised in that described epoxy pole
Having lower house, the surrounding of the top down housing of lower house is protruded and is formed and the integrated square-shaped flange of lower house, lower casing
Internal top is provided with receiving chamber, and described vacuum interrupter is arranged on receiving intracavity.
High voltage load switch-fuse combined electric apparatus the most according to claim 3, it is characterised in that described flange is upwards
Extending formation one and the integrated upper shell of lower house, the top accommodating chamber is provided with the dividing plate separating upper shell with lower house,
The upper end of vacuum interrupter connects inlet wire bar, and inlet wire bar is through dividing plate and extends downward vacuum extinction indoor, on inlet wire bar
End connection has static contact, static contact to be fixedly installed on dividing plate, and the top of upper shell is positioned at the fixed above of static contact and is provided with
Junction block；
Described isolation axle is arranged between described epoxy pole and frame and is positioned at the lower section of described flange, and described disconnecting switch has
Having the isolation knife corresponding with static contact, the first end of isolation knife is articulated on static contact, and isolation axle is connected with isolation knife, and energy
Isolation knife is driven to rotate, so that the second end of isolation knife and upper junction block carry out point/conjunction.
High voltage load switch-fuse combined electric apparatus the most according to claim 4, it is characterised in that described upper shell is
" ㄥ " shape, is provided with " ㄥ " shape storage tank in upper shell, on described flange position, the side near frame is provided with through hole, this through hole and appearance
Put groove connection；
Isolation axle is connected with isolation knife by linkage, and linkage is arranged in upper shell, with linkage on isolation axle
Corresponding being provided with first and turn wall, linkage includes first connecting rod, second connecting rod and third connecting rod, and first connecting rod is passed down through
Through hole also makes the first end of first connecting rod be articulated in corresponding first to turn on wall, and the middle part of second connecting rod is articulated in upper shell
On the two side of storage tank, 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
At the second end of second connecting rod, the second end of third connecting rod is articulated in isolation knife, and third connecting rod can drive isolation knife to carry out turning
Dynamic, and the second end of isolation knife and described upper junction block can be made to carry out point/conjunction.
High voltage load switch-fuse combined electric apparatus the most according to claim 3, it is characterised in that described fuse can
Dismounting is arranged on the side away from frame of described epoxy pole, and the upper end of fuse is connected to vacuum extinction by the portion that is flexible coupling
The lower end of room, the upper end of fuse is higher than the lower end of vacuum interrupter.
High voltage load switch-fuse combined electric apparatus the most according to claim 2, it is characterised in that described load axis sets
Putting the lower section at described isolation axle, the lower end of described vacuum interrupter connects lower link, load axis by operating mechanism with under
Pull bar connects, and lower link can be driven to move up and down, to realize dividing/closing of vacuum extinction indoor dynamic/static contact；
Operating mechanism includes insulation pulling plate, excess of stroke bar assembly, and the first end of insulation pulling plate is articulated on lower link, and insulation pulling plate is worn
Crossing described epoxy pole near the sidewall of described frame pivot joint on the side wall, the second end of insulation pulling plate extends to epoxy pole
Between post and described frame, the lower end of excess of stroke bar assembly is articulated in the second end of insulation pulling plate, with operating mechanism phase on load axis
Corresponding being provided with second and turn wall, the upper end of excess of stroke bar assembly is articulated in second and turns on wall.
High voltage load switch-fuse combined electric apparatus the most according to claim 3, it is characterised in that described lower house
Bottom has under shed, and the side away from described frame of lower house is provided with side opening, and side opening is arranged on described vacuum extinction
The lower section of room also extends to the bottom of lower house, and lower house is removably provided with the lower cover that can cover under shed and side opening,
Lower cover extends downward the lower section of lower house, and the lower end of fuse connects the lower molten card having fixing fuse, and lower melting fastens
The bottom of lower cover, fuse lower end is also associated with lower junction block.
High voltage load switch-fuse combined electric apparatus the most according to claim 8, it is characterised in that described earthed switch
Including earthing and ground connection cutter holder, earthing is connected with described grounding shaft by linking arm, and earthing folder is fixedly connected on described
The bottom of lower cover, ground connection cutter holder is positioned at the lower cover side near described frame, and grounding shaft can drive earthing to enter by linking arm
Row rotates, and can be grounded cutter and ground connection cutter holder point/close.
High voltage load switch-fuse combined electric apparatus the most according to claim 9, it is characterised in that also include rotating
Axle, pull bar, the first bearing pin, the second bearing pin and a bearing；
Described lower cover is downwardly extending two side plates being oppositely arranged, and the most corresponding on two side plates is provided with an arc
Groove, the first bearing pin is arranged between two side plates, and the two ends of the first bearing pin are limited in the arcuate groove of two side plates, the first pin
Axle can move between the two ends of arcuate groove, and rotary shaft is arranged on the top of described grounding shaft and is hubbed on described frame
On, the first end of pull bar is connected with rotary shaft, and the second end of pull bar extends between two side plates and is articulated on the first bearing pin；
Second bearing pin is arranged between two side plates and is positioned at the lower section of described first bearing pin, and the two ends of the second bearing pin are articulated in two
On individual side plate, a bearing is arranged on the second side of lower cover, and a bearing upwardly extends integrated with a bearing two of formation and turns
Swing arm, two cursors tilt certain angle to the direction away from a bearing, and two cursors are separately positioned on two side plates
Outside, in a bearing, the top of two cursors is articulated in the two ends of the first bearing pin respectively, the end of two cursors in a bearing
Portion is articulated in the two ends of the second bearing pin respectively；
Arcuate groove has first end and the second end, and rotary shaft can drive the first bearing pin to move against to arcuate groove by pull bar
First end, and lower cover is strained and fixed, propping up bearing can be rotated up to supporting fixing fusing around the second bearing pin simultaneously
The position of device；Rotary shaft can also drive the first bearing pin to move to the second end of arcuate groove by pull bar, and unclamps lower cover, with
Time prop up bearing and can be swung down to away from the position supporting fixing fuse around the second bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862983.9A CN106229210B (en) | 2016-09-29 | 2016-09-29 | High voltage load switch fuse combined electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862983.9A CN106229210B (en) | 2016-09-29 | 2016-09-29 | High voltage load switch fuse combined electric apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229210A true CN106229210A (en) | 2016-12-14 |
| CN106229210B CN106229210B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610862983.9A Active CN106229210B (en) | 2016-09-29 | 2016-09-29 | High voltage load switch fuse combined electric apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545612A (en) * | 2018-12-29 | 2019-03-29 | 宁波天安智能电网科技股份有限公司 | A kind of integration on-load switch, combined electrical apparatus and switchgear |
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| US6472627B1 (en) * | 1999-10-26 | 2002-10-29 | Lg Industrial Systems Co., Ltd. | Vacuum circuit breaker |
| CN201853643U (en) * | 2010-10-30 | 2011-06-01 | 福建逢兴机电设备有限公司 | High breaking vacuum load switch-fuse combined electrical appliance |
| CN203674005U (en) * | 2014-01-07 | 2014-06-25 | 福建逢兴机电设备有限公司 | Triaxial interlocking device |
| CN206076147U (en) * | 2016-09-29 | 2017-04-05 | 协成科技股份有限公司 | High voltage load switch fuse combined electric apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6472627B1 (en) * | 1999-10-26 | 2002-10-29 | Lg Industrial Systems Co., Ltd. | Vacuum circuit breaker |
| CN201853643U (en) * | 2010-10-30 | 2011-06-01 | 福建逢兴机电设备有限公司 | High breaking vacuum load switch-fuse combined electrical appliance |
| CN203674005U (en) * | 2014-01-07 | 2014-06-25 | 福建逢兴机电设备有限公司 | Triaxial interlocking device |
| CN206076147U (en) * | 2016-09-29 | 2017-04-05 | 协成科技股份有限公司 | High voltage load switch fuse combined electric apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545612A (en) * | 2018-12-29 | 2019-03-29 | 宁波天安智能电网科技股份有限公司 | A kind of integration on-load switch, combined electrical apparatus and switchgear |
| CN109545612B (en) * | 2018-12-29 | 2023-09-05 | 宁波天安智能电网科技股份有限公司 | Integrated load switch, combined electrical apparatus and cubical switchboard |
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| Publication number | Publication date |
|---|---|
| CN106229210B (en) | 2018-03-09 |
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