CN101867162A - Gas insulation switch device - Google Patents

Gas insulation switch device Download PDF

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Publication number
CN101867162A
CN101867162A CN201010163923A CN201010163923A CN101867162A CN 101867162 A CN101867162 A CN 101867162A CN 201010163923 A CN201010163923 A CN 201010163923A CN 201010163923 A CN201010163923 A CN 201010163923A CN 101867162 A CN101867162 A CN 101867162A
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CN
China
Prior art keywords
bus bar
main bus
operating axis
gas insulation
operating
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Granted
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CN201010163923A
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Chinese (zh)
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CN101867162B (en
Inventor
冈成信明
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Toshiba Corp
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Toshiba Corp
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0352Gas-insulated switchgear for three phase switchgear

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  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

In a gas insulation switch device, the inner space is saved by setting an operation shaft of a circuit breaker or a circuit breaker grounded switch and an operation shaft of an operating means neighboring the direction of the device or a main bus direction. The gas insulation switch device is provided with a plurality of cylindrical cases (21, 22, 23) filled with insulation gas, at least a circuit breaker grounded switch or a circuit breaker arranged in the case, and conductors arranged in the cases and supported by insulation support members. At least two cases are configured that their shafts are parallel each other, operating means (37, 47, 67) of the circuit breaker grounded switch or the circuit breaker are arranged at positions apart from a plane containing the parallel shafts of two neighboring cases. The operating face of the operating means is configured to be parallel to the axial direction of the cases.

Description

Gas insulation opening and closing arrangement
Technical field
The gas insulation opening and closing arrangement of a plurality of casees that insulating gas is arranged, the gas insulation opening and closing arrangement that particularly can carry out compact design are enclosed in the utilization that the present invention relates to use in converting equipment etc.
Background technology
Gas insulation opening and closing arrangement in the past is accommodated in the equipment of cutter and circuit breaker etc. in the container that is filled with good SF6 gas of insulating properties and arc extinguishing etc., and with combinations such as buses and constitute.With reference to the such gas insulation opening and closing arrangement of single line line graph explanation shown in Figure 11.
The circuit breaker 133 that main bus bar 131 and main bus bar 132 are used via bus respectively and circuit breaker 134, through being connected with load (not shown) with current transformer 138, instrument transformer 139, line side circuit breaker 140, line side grounding opening-closing device 141, cablehead 142 with grounding opening-closing device 136 and 137, instrument as the cutter 135 of line side equipment, operation, thereby constitute 1 circuit.And, on main bus bar 131,132, connecting a plurality of such circuits.
The operating means of the shutter that passes through manual or motorized motions circuit breaker and grounding opening-closing device etc. in such gas insulation opening and closing arrangement to be provided with the space and to become that littler to make the equipment downsizing be important in order to make.
In gas insulation opening and closing arrangement in the past, known useful chain is with the operating axis of circuit interrupter grounding shutter and be installed in the structure (for example with reference to patent documentation 1) that the sprocket wheel on the operating axis of operating means links.
Patent documentation 1: No. 4059081 communique of Japan Patent
Gas insulation opening and closing arrangement in the past as described above is each device mutually of taking in the circuit interrupter grounding shutter mutually according to each of three-phase alternating current, because the operating axis of circuit interrupter grounding shutter and the operating axis of operating means vertically dispose with respect to the central axis direction of the cylindrical shape case of neighbouring device, and the sprocket wheel that will be installed on these operating axis with chain links, so operating means is configured on the case of circuit breaker and grounding opening-closing device.But, in a case, take in the full three-phase installation of circuit interrupter grounding shutter, with operating axis along under the situation of the central axis direction configuration of the cylindrical shape case of the central axis direction of neighbouring device or adjacent main bus bar, have between adjacent lines that size becomes big problem between size and adjacent main bus bar.
Summary of the invention
So, the objective of the invention is operating axis at the operating axis of circuit breaker or circuit interrupter grounding shutter and operating means under situation about disposing on mutually adjacent or neighbouring device direction or the adjacent main bus bar direction, a kind of small-sized gas insulation opening and closing arrangement is provided.
The present invention provides a kind of gas insulation opening and closing arrangement in order to achieve the above object, and it is the three-phase alternating current gas insulation opening and closing arrangement, it is characterized in that, possesses: columnar a plurality of casees, and enclosing has insulating gas; Conductor is housed in the above-mentioned case, and is supported by insulating support member; And circuit interrupter grounding shutter or circuit breaker, make the run that is housed in the above-mentioned conductor in the above-mentioned case and bring into play function by actuating force from the outside, at least two case disposed adjacent in the above-mentioned case become central shaft to be parallel to each other, the operating means of above-mentioned circuit interrupter grounding shutter or circuit breaker is configured on the position of leaving from the plane that comprises two central shafts, and above-mentioned two central shafts are above-mentioned two central shafts that are parallel to each other of adjacent case mutually.
According to this invention, in the structure that the cylindrical shape case of taking in circuit breaker or circuit interrupter grounding shutter is disposed side by side, by operating means being configured in the clearance space by the roughly triangle column that clips between adjacent mutually two cylindrical shape casees taking in circuit breaker or circuit interrupter grounding shutter, even thereby under the situation of full three-phase installation, also size between size between adjacent lines or adjacent main bus bar can be dwindled, small-sized gas insulation opening and closing arrangement can be provided.
Description of drawings
Fig. 1 is that two stereograms about the outward appearance of the state of the 1st execution mode of gas insulation opening and closing arrangements of the present invention have been disposed in expression.
Fig. 2 is the figure that the front view of the gas insulation opening and closing arrangement of Fig. 1 is represented with the single line line graph.
Fig. 3 is the vertical view of state that has disposed the gas insulation opening and closing arrangement of two Fig. 1.
Fig. 4 is near the major part amplification front elevation of line side circuit interrupter grounding device of shutter operating of the gas insulation opening and closing arrangement of Fig. 2.
Fig. 5 is that the V-V alignment of Fig. 4 is looked vertical view.
Fig. 6 is near the major part amplification front elevation of the 1st main bus bar side circuit interrupter grounding device of shutter operating of the gas insulation opening and closing arrangement of Fig. 2.
Fig. 7 is that the VII-VII alignment of Fig. 6 is looked upward view.
Fig. 8 is near the major part amplification front elevation of the 1st main bus bar side circuit interrupter grounding device of shutter operating of the 2nd execution mode of relevant gas insulation opening and closing arrangement of the present invention.
Fig. 9 is the figure that the front view of the gas insulation opening and closing arrangement of another execution mode is represented with the single line line graph.
Figure 10 is the vertical view of state that has disposed the gas insulation opening and closing arrangement of two another execution modes.
Figure 11 is the single line line graph of gas insulation opening and closing arrangement and transformer station.
Symbol description
1 line side circuit interrupter grounding shutter
2 the 1st main bus bar side circuit breakers
3 the 2nd main bus bar side circuit interrupter grounding shutters
4 cutters
5 the 1st instrument current transformers
6 instrument transformers
21 line side circuit interrupter grounding shutter casees
22 the 1st main bus bar side box of the circuit breaker
23 the 2nd main bus bar side circuit interrupter grounding shutter casees
25 the 2nd instrument current transformers
26 cutter casees
30 line side equipment sprocket wheels (line side circuit interrupter grounding shutter sprocket wheel)
31 line side operation of equipment axles (operating means operating axis)
32 line side operating means sprocket wheels
33 line side chains
Fixed size support portion between 34 line side sprocket shafts
Operating means support portion, 35 line side
36 line side operating means lids
37 line side circuit interrupter grounding device of shutter operating
38 line side clearance spaces
39 line side operation of equipment axles (circuit interrupter grounding shutter operating axis)
40 the 1st main bus bar side apparatus sprocket wheel (the 1st main bus bar side circuit breaker sprocket wheel)
41 the 1st main bus bar side operating means operating axis
42 the 1st main bus bar side operating means sprocket wheel (the 1st main bus bar side circuit breaker sprocket wheel)
43 the 1st main bus bar side chain bars
44 the 1st main bus bar side chains wheel between centers fixed size support portion
45 the 1st main bus bar side operating means support portions
46 the 1st main bus bar side operating means lid
47 the 1st main bus bar side breaker operating devices
48 the 1st main bus bar side clearance spaces
49 the 1st main bus bar side apparatus driving shafts (the 1st main bus bar side circuit interrupter grounding shutter operating axis)
51 the 1st main bus bars
52 the 2nd main bus bars
54 line side operating surfaces
55 the 1st main bus bar side operating surfaces
67 the 2nd main bus bar side circuit interrupter grounding device of shutter operating
70 instrument transformer casees
71 necking parts
Size adjustment anchor clamps between 77 sprocket shafts
Embodiment
[the 1st execution mode]
Specifically describe the 1st execution mode of relevant gas insulation opening and closing arrangement of the present invention referring to figs. 1 through Fig. 7.
Fig. 1 is that two stereograms about the outward appearance of the state of the 1st execution mode of gas insulation opening and closing arrangements of the present invention have been disposed in expression, Fig. 2 is the figure that the front view of the gas insulation opening and closing arrangement of Fig. 1 is represented with the single line line graph, and Fig. 3 is the vertical view of state that has disposed the gas insulation opening and closing arrangement of two Fig. 1.And then Fig. 4 is near the major part amplification front elevation of line side circuit interrupter grounding device of shutter operating of the gas insulation opening and closing arrangement of Fig. 2, and Fig. 5 is near the vertical view of line side circuit interrupter grounding device of shutter operating of Fig. 4.Fig. 6 is near the major part amplification front elevation of the 1st main bus bar side circuit interrupter grounding device of shutter operating of the gas insulation opening and closing arrangement of Fig. 2, and Fig. 7 is near the upward view of line side circuit interrupter grounding device of shutter operating of Fig. 6.
The 1st main bus bar 51 flatly disposes, and thereunder flatly disposes the 2nd main bus bar 52.As shown in Figure 1, the 1st main bus bar 51 and the 2nd main bus bar 52 respectively as three-phase with and in same case, dispose 3 abreast.All other routes and circuit too as three-phase with and dispose concurrently each 3.From the 1st main bus bar 51 branch and dispose the 1st main bus bar side circuit breaker 2 vertically and flatly.In addition, below the 1st main bus bar side circuit breaker 2, from the 2nd main bus bar 52 branch and dispose the 2nd main bus bar side circuit interrupter grounding shutter 3 vertically and flatly.The 1st main bus bar side circuit breaker 2 and the 2nd main bus bar side circuit interrupter grounding shutter 3 are housed in respectively that the central shaft that makes case is parallel to each other and in the 1st main bus bar side box of the circuit breaker 22 of level and the 2nd main bus bar side circuit interrupter grounding shutter case 23.
The terminal of the 1st main bus bar side circuit breaker 2 and the 2nd main bus bar side circuit interrupter grounding shutter 3 is connected line side circuit interrupter grounding shutter 1 and instrument transformer 6 with current transformer 5, cutter the 4, the 2nd instrument with current transformer 25 via the 1st shared instrument successively.The 1st instrument is configured in the cutter case 26 with current transformer 25 with current transformer 5, cutter the 4, the 2nd instrument.Line side circuit interrupter grounding shutter 1 is housed in the columnar line side circuit interrupter grounding shutter case 21 of the axle with vertical direction.Instrument transformer 6 is configured in the metrical instrument of the top of line side circuit interrupter grounding shutter case 21 and uses in the transformer tank 70.Instrument transformer case 70 is cylindrical shapes coaxial with line side circuit interrupter grounding shutter case 21, and is formed with necking part 71 (with reference to Fig. 1 and Fig. 2) between instrument transformer case 70 and line side circuit interrupter grounding shutter case 21.
In Fig. 1 and example shown in Figure 3, represented two gas insulation opening and closing arrangements along the 1st main bus bar 51 and the 2nd main bus bar 52 state flatly arranged side by side, but usually plural gas insulation opening and closing arrangement has flatly been used side by side along the 1st main bus bar 51 and the 2nd main bus bar 52.
Being used for the line side operation of equipment axle 39 of drive wire trackside circuit interrupter grounding shutter 1 flatly connects adjacent line side circuit interrupter grounding shutter case 21 sides of the side of line side circuit interrupter grounding shutter case 21.Being used for the line side circuit interrupter grounding device of shutter operating 37 of functional arrangement side apparatus operating axis 39 is near the necking part 71 between instrument transformer case 70 and the line side circuit interrupter grounding shutter case 21, and is configured in the line side clearance space 38 of the roughly triangle column that the side by two adjacent mutually line side circuit interrupter grounding shutter casees 21 clips.The circuit line side operating surface 54 of line side circuit interrupter grounding device of shutter operating 37 is parallel to the axial vertical direction configuration of line side circuit interrupter grounding shutter case 21.
In line side circuit interrupter grounding device of shutter operating 37, dispose the line side operation of equipment axle 31 (with reference to Fig. 4 and Fig. 5) of horizontal direction abreast with line side operation of equipment axle 39.Fix line side equipment on online roadside device operating axis 39 and the line side operation of equipment axle 31 respectively with sprocket wheel 30 and line side operating means sprocket wheel 32, on these sprocket wheels 30,32, engaging line side chain 33.Thus, constitute corresponding to the rotation of line side operation of equipment axle 31 and driver circuit side apparatus operating axis 39.Line side operation of equipment axle 31 and line side operation of equipment axle 39 be level and being parallel to each other respectively, and sprocket wheel 30,32 and line side chain 33 are in same vertical.
Fixed size support portion 34 spreads all over line side circuit interrupter grounding shutter 1 and 37 installations of line side circuit interrupter grounding device of shutter operating between the sprocket shaft of line side, so that the between centers size constancyization of line side circuit interrupter grounding shutter operating axis 39 and line side operation of equipment axle 31.In addition, line side circuit interrupter grounding device of shutter operating 37 is supported on the line side circuit interrupter grounding shutter 1 by operating means support portion, line side 35.Line side circuit interrupter grounding shutter is accommodated in line side operating means lid 36 with sprocket wheel 30 and line side operating means with sprocket wheel 32 and line side chain 33.
Then, use Fig. 6, Fig. 7, to being used for driving the circuit breaker 2 of main bus bar side and the structure of circuit interrupter grounding shutter 3 describes.
The 1st main bus bar side apparatus driving shaft 49 that is used for driving the 1st main bus bar side circuit breaker 2 connects the downside of the side of the 1st main bus bar side box of the circuit breaker 22 vertically.The 1st main bus bar side breaker operating device 47 that is used for operating the 1st main bus bar side apparatus driving shaft 49 is configured in the top (with reference to Fig. 2) in the 1st main bus bar side clearance space 48 of the roughly triangle column that the upside by the side of the downside of the side of the 1st main bus bar side box of the circuit breaker 22 and the 2nd main bus bar side box of the circuit breaker 23 clips.The 1st main bus bar side operating surface 55 of the 1st main bus bar side breaker operating device 47 is parallel to the axle of the 1st main bus bar side box of the circuit breaker 22 and disposes to vertical direction.
In the 1st main bus bar side breaker operating device 47, dispose the 1st main bus bar side operating means operating axis 41 of vertical direction abreast with the 1st main bus bar side apparatus driving shaft 49.Fixing the 1st main bus bar side apparatus on the 1st main bus bar side apparatus driving shaft 49 and the 1st main bus bar side operating means operating axis 41 respectively is fastened on these sprocket wheels 40,42 with sprocket wheel 42, the 1 main bus bar side chains 43 with sprocket wheel 40 and the 1st main bus bar side operating means.Thus, constitute corresponding to the rotation of the 1st main bus bar side operating means operating axis 41 and drive the 1st main bus bar side apparatus driving shaft 49.The 1st main bus bar side operating means operating axis 41 and the 1st main bus bar side apparatus driving shaft 49 are vertical respectively and be parallel to each other, and sprocket wheel 40,42 and the 1st main bus bar side chain 43 are in the same horizontal plane.
The 1st main bus bar side chain wheel between centers fixed size support portion 44 spreads all over the 1st main bus bar side circuit breaker 2 and the 1st main bus bar side breaker operating device 47 is installed, so that the between centers size constancyization of the 1st main bus bar side apparatus driving shaft 49 and the 1st main bus bar side operating means operating axis 41.In addition, the 1st main bus bar side breaker operating device 47 is supported on the 1st main bus bar side circuit breaker 2 by the 1st main bus bar side operating means support portion 45.The 1st main bus bar side circuit breaker is accommodated in the 1st main bus bar side operating means lid 46 with sprocket wheel 40 and the 1st main bus bar side operating means with sprocket wheel 42 and the 1st main bus bar side chain bar 43.
The 2nd main bus bar side circuit interrupter grounding device of shutter operating 67 that is used for driving the 2nd main bus bar side circuit interrupter grounding shutter 3 with the 1st main bus bar side clearance space 48 of the identical roughly triangle column of configuration the 1st main bus bar side breaker operating device 47 in, be configured in the below of the 1st main bus bar side breaker operating device 47.The 2nd main bus bar side circuit interrupter grounding device of shutter operating 67 is roughly corresponding to the structure that the 1st main bus bar side breaker operating device 47 is spun upside down, so omit detailed explanation.
In the gas insulation opening and closing arrangement of the structure of above explanation, line side circuit interrupter grounding shutter 1 is being carried out under the situation of opening and closing operations, with manual or motorized motions line side circuit interrupter grounding device of shutter operating 37, make 31 rotations of operating means operating axis, via 13 pairs on chain the circuit interrupter grounding shutter is installed with sprocket wheel 32 from operating means and uses operating axis 39 to transmit revolving forces with the circuit interrupter grounding shutter of sprocket wheel 30.Thus, can be with line side circuit interrupter grounding shutter 1 opening and closing operations.
Under the situation that makes 2 actions of the 1st main bus bar side circuit breaker, equally by operating by electronic or manual actuation the 1st main bus bar side breaker operating device 47.And then, under the situation that makes 3 actions of the 2nd main bus bar side circuit interrupter grounding shutter, equally by operating by electronic or manual actuation the 2nd main bus bar side circuit interrupter grounding device of shutter operating 67.
Execution mode according to above explanation, line side circuit interrupter grounding device of shutter operating the 37, the 1st main bus bar side breaker operating device the 47, the 2nd main bus bar side circuit interrupter grounding device of shutter operating 67 can both be configured to operating means in the clearance space of the roughly triangular prism shape between the adjacent cylindrical shape case of the adjacent phase of the cylindrical shape case of having taken in circuit breaker grounding opening-closing device etc. or adjacent lines or adjacent main bus bar, can reduce the configuration space of gas insulation opening and closing arrangement integral body.In addition, by the operating surface of configuration operation device on respect to the direction of case central axes, easily near operating surface, and the operation raising of operating means.
In addition, though on the central axis direction that operating axis is configured in adjacent phase or neighbouring device or on the central axis direction of adjacent main bus bar and do not have between the circuit of equipment or the situation in space between main bus bar etc. under, also can use the sprocket wheel chain.
In addition, by using the support portion with fixed size between sprocket shaft, become the structure that also can keep chain tension after chain tension (tension force) is regulated, the reliability of operation improves.
And then, if can alter operation between centers size,, do not become chain self is carried out the structure that fine finishining just can be carried out size adjustment then by operating means being made slip structure freely.
And then, by regulating chain tension, be also can use in the horizontal plane even the axle of sprocket wheel is the use posture of level, chain.
[the 2nd execution mode]
The 2nd execution mode of relevant gas insulation opening and closing arrangement of the present invention is described with reference to Fig. 8.Fig. 8 is near the major part amplification front elevation the 1st main bus bar side circuit interrupter grounding device of shutter operating of the 2nd execution mode of relevant gas insulation opening and closing arrangement of the present invention, is the figure corresponding to the major part of Fig. 6 of the 1st execution mode.Give identical label and the repetitive description thereof will be omitted for the structure identical with the 1st execution mode.Fig. 1 of the 1st execution mode extremely structure shown in Figure 5 also is same in the 2nd execution mode.
In the 2nd execution mode, as shown in Figure 8, be provided with size adjustment anchor clamps 77 between sprocket shaft, size adjustment anchor clamps 77 are used for regulating the between centers size between the 1st main bus bar side operating means operating axis 41 and the 1st main bus bar side apparatus driving shaft 49 between this sprocket shaft.Size adjustment anchor clamps 77 have degree of tightness screw buckle (turnbuckle) function between sprocket shaft.Be formed with screw on the front end of circuit interrupter grounding shutter operating axis 49 and operating means operating axis 41, the two ends of size adjustment anchor clamps 77 are by in the screw that is bolted to the 1st main bus bar side circuit interrupter grounding shutter operating axis 49 and the 1st main bus bar side operating means operating axis 41 between sprocket shaft.
In this embodiment, make between sprocket shaft size adjustment anchor clamps 77 flexible by degree of tightness screw buckle operation, thereby operating means 47 slided freely with degree of tightness screw buckle function, can regulating shaft between size and chain tension.
In the past,, need the degree of tightness screw buckle be installed, be not easy assembling and adjusting chain self in order to regulate the tension force of chain.And then, because the degree of tightness screw buckle of chain can only be operated into the place of bumping less than sprocket wheel, so the anglec of rotation of circuit interrupter grounding shutter operating axis is restricted.
According to this execution mode, have size adjustment anchor clamps 77 between the sprocket shaft of degree of tightness screw buckle function by use, can by degree of tightness screw buckle processing ease be adjusted to the between centers size and the chain tension of hope, the degree of tightness screw buckle need be installed on chain.
[other execution modes]
More than Shuo Ming each execution mode is simple illustration, and the present invention is not limited by they.For example, the size adjustment anchor clamps are used in the 1st main bus bar side breaker operating device 47 between the sprocket shaft of the 2nd execution mode, but same anchor clamps also can be used in line side circuit interrupter grounding device of shutter operating 37 and the 2nd main bus bar side circuit interrupter grounding device of shutter operating 67.
In addition, in the respective embodiments described above, line side circuit interrupter grounding device of shutter operating the 37, the 1st main bus bar side breaker operating device the 47, the 2nd main bus bar side circuit interrupter grounding device of shutter operating 67 all is configured in the clearance space of the roughly triangular prism shape between the cylindrical shape case of the disposed adjacent that is parallel to each other.But, even not necessarily all are configured in the clearance space 38,48 of triangular prism character, as Fig. 9 or shown in Figure 10, as long as the part in them is configured in the clearance space of triangular prism character, with regard to the effect of saving the space that just can access compared with the past.In addition, in the case, except the effect of saving the space, since can will each adjacent line side circuit interrupter grounding device of shutter operating the 37, the 1st main bus bar side breaker operating device the 47, the 2nd main bus bar side circuit interrupter grounding device of shutter operating 67 sharing each other, so also produce other effects of cost reduction.

Claims (7)

1. gas insulation opening and closing arrangement, it is the three-phase alternating current gas insulation opening and closing arrangement, it is characterized in that, possesses:
Columnar a plurality of case, enclosing has insulating gas;
Conductor is housed in the above-mentioned case, and is supported by insulating support member; And
Circuit interrupter grounding shutter or circuit breaker make the run that is housed in the above-mentioned conductor in the above-mentioned case and bring into play function by the actuating force from the outside,
The mutual disposed adjacent of at least two casees in the above-mentioned case becomes central axes,
The operating means of above-mentioned circuit interrupter grounding shutter or circuit breaker is configured on the position of leaving from the plane that comprises two central shafts, and above-mentioned two central shafts are above-mentioned two central shafts that are parallel to each other of adjacent case mutually.
2. gas insulation opening and closing arrangement as claimed in claim 1 is characterized in that,
Make the operation of equipment axle of above-mentioned circuit interrupter grounding shutter or circuit breaker action and the operating means operating axis of aforesaid operations device action be parallel to each other,
Be fixed with sprocket wheel respectively on the said equipment operating axis and operating means operating axis, dispose chain between these sprocket wheels, the said equipment operating axis rotates by the rotation of aforesaid operations device operating axis.
3. gas insulation opening and closing arrangement as claimed in claim 1 or 2 is characterized in that,
The operating surface of aforesaid operations device disposes abreast with respect to the central axis direction of above-mentioned case.
4. gas insulation opening and closing arrangement as claimed in claim 2 is characterized in that,
Aforesaid operations device operating axis constitutes movably, so that can regulate the distance of aforesaid operations device operating axis and the said equipment operating axis.
5. gas insulation opening and closing arrangement as claimed in claim 4 is characterized in that,
Has the support portion that on the basis of the distance of having regulated aforesaid operations device operating axis and the said equipment operating axis, can fix.
6. as claim 2, each described gas insulation opening and closing arrangement of 4 or 5, it is characterized in that,
Aforesaid operations device operating axis and the said equipment operating axis extend and dispose in vertical direction, and the distance of aforesaid operations device operating axis and the said equipment operating axis is adjusted to, and keeps the state that above-mentioned chain has been applied tension force.
7. as claim 2, each described gas insulation opening and closing arrangement of 4 or 5, it is characterized in that,
Constitute and to use the degree of tightness screw buckle to regulate the distance of aforesaid operations device operating axis and the said equipment operating axis.
CN2010101639230A 2009-04-16 2010-04-16 Gas insulation switch device Active CN101867162B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP099583/2009 2009-04-16
JP2009099583A JP5306034B2 (en) 2009-04-16 2009-04-16 Gas insulated switchgear

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CN101867162A true CN101867162A (en) 2010-10-20
CN101867162B CN101867162B (en) 2012-12-19

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CN105900301A (en) * 2014-01-20 2016-08-24 三菱电机株式会社 Gas-insulated switching device
CN106165046A (en) * 2014-03-25 2016-11-23 株式会社东芝 Compound shutter

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