CN104134558B - Disconnecting switch and earthed switch interlocking method and implement the interlock of the method - Google Patents
Disconnecting switch and earthed switch interlocking method and implement the interlock of the method Download PDFInfo
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- CN104134558B CN104134558B CN201310297522.8A CN201310297522A CN104134558B CN 104134558 B CN104134558 B CN 104134558B CN 201310297522 A CN201310297522 A CN 201310297522A CN 104134558 B CN104134558 B CN 104134558B
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- disconnecting switch
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of disconnecting switch and earthed switch interlocking method and implement the interlock of the method, this device includes two for being fixedly arranged on the connecting lever on isolator operation axle and earthed switch operation axle respectively, there is between two connecting levers the trapped orbit of the spacing direction extension along two operation axles, on trapped orbit, guiding movement is equipped with two slide blocks, each slide block respectively and is connected between the connecting lever of each respective side has connecting rod to share two set slider-crank mechanisms of a track to form two slide blocks, the distance that the distance that connecting lever is moved by correspondence slide block during sub-gate position to closing position is in during sub-gate position two slide blocks equal to two connecting levers.Utilize this device, distance between the operation axle of two switches is shared on two set slider-crank mechanisms, the transmission of the most each slider-crank mechanism is independent, there is not the insecure problem of transmission, is especially suitable for operating the interlocking between two switches that axle is distant.
Description
Technical field
The present invention relates to a kind of disconnecting switch and earthed switch interlocking method and implement the mechanical interlocks of the method.
Background technology
According to GB 1985-2004 " high-voltage alternating current isolating switch and earthed switch " and the requirement of DL/T486-2000 " alternating-current high-voltage isolation switch and earthed switch order technical conditions ", interlock between disconnecting switch and the earthed switch of adapted, should be installed additional.The effect of interlock be to limit disconnecting switch and earthed switch point, feed motion, thus when reaching that in GB, the disconnecting switch of regulation is closed a floodgate, earthed switch can not close a floodgate, and the requirement that when earthed switch closes a floodgate, disconnecting switch can not be closed a floodgate.
Chinese patent literature CN102683090A discloses a kind of double-throw disconnecting switch interlock, and this device includes first, second connecting lever and is connected to the drive link between two connecting levers, and hinge is passed through respectively on corresponding connecting lever in the two ends of drive link；Two connecting lever correspondences respectively are fixed on two switching manipulation axles, wherein the first connecting lever is fan-shaped connecting lever, there is on it corresponding bearing pin and guide the arc chute being slidably matched, so drive link and the first connecting lever forms slidingtype hinge arrangement, utilize this version, two switching manipulation axles can only realize the rotation of two states, that is: when one of them switch is in "on" position, another feed motion switched is limited by arc chute, and when one of them switch is in gate-dividing state, utilize being slidably matched between arc chute and corresponding bearing pin, another switch can either carry out separating brake action and also can carry out feed motion.The interlock of this structure, owing to two connecting levers are directly in transmission connection together by a drive link, on the one hand, if two switching manipulation axles are distant, the length of drive link is relatively long, and intensity difference and transmission are unreliable；On the other hand, the left end of drive link relies on the bearing pin of its correspondence to be slidably matched with arc chute guiding, it is easy to stuck phenomenon occurs, wherein when switch point, a combined floodgate, it is easy to cause drive link flexural deformation, in turn result in whole device and scrap and cannot use.
Summary of the invention
It is an object of the invention to provide a kind of being applicable to and operate the distant disconnecting switch of axle and the mechanical interlocking mechanisms of earthed switch interlock requirement；Present invention also offers a kind of interlock implementing the method simultaneously.
The interlock of the present invention adopts the following technical scheme that a kind of disconnecting switch and ground switch interlocking device, including two for being fixedly arranged on respectively on isolator operation axle and earthed switch operation axle, there is the connecting lever of closing position and sub-gate position, there is between two connecting levers the trapped orbit of the spacing direction extension along two operation axles, on trapped orbit, guiding movement is equipped with two slide blocks, each slide block respectively and is connected between the connecting lever of each respective side has connecting rod to share two set slider-crank mechanisms of a track to form two slide blocks, the distance that the distance that described connecting lever is moved by correspondence slide block during sub-gate position to closing position is in during sub-gate position two slide blocks equal to two connecting levers.
Described trapped orbit is located on fixing seat, fixing seat has two for respectively for isolator operation axle and the pilot hole of earthed switch operation axle assembling.
Described trapped orbit is the chute coordinated with slider guide sliding plug being opened on fixing seat.
The axis of the jointed shaft between axis and slide block and the connecting rod of described pilot hole is positioned in same level, and when a connecting lever is in closing position wherein, the axis of the jointed shaft between this connecting lever and respective link goes on this horizontal plane.
The interlocking method of the present invention adopts the following technical scheme that a kind of disconnecting switch and earthed switch interlocking method, the method utilizes two sets to be connected on isolator operation axle and earthed switch operation axle, to share slider track slider-crank mechanism, connecting lever is by sub-gate position in the motor process of closing position wherein, and the slide block of its correspondence moves to another slide block being in sub-gate position and finally offsets.
In two set slider-crank mechanisms, the axis of the jointed shaft between the pivot center of each connecting lever, slide block and connecting rod is positioned in same level, and when a connecting lever is in closing position wherein, the axis of the jointed shaft between this connecting lever and respective link goes on this horizontal plane.
Use the interlock of said structure, owing to relying on two set slider-crank mechanisms to carry out the mechanical interlocking of disconnecting switch and earthed switch, the slide block of Liang Tao mechanism shares a track simultaneously, the occupy-place of one of them slide block is so relied on to limit the combined floodgate motion of another slide block, when just can reach the disconnecting switch combined floodgate of regulation in GB, earthed switch can not close a floodgate, and the requirement that when earthed switch closes a floodgate, disconnecting switch can not be closed a floodgate.It can be can also to be the most maybe reverse that whole device operates the rotation direction of the rotation direction not requirement of axle, i.e. disconnecting switch and earthed switch operation axle to disconnecting switch and earthed switch, achieves the mechanical interlocking of two switches very easily；Additionally, distance between the operation axle of two switches is shared on two set slider-crank mechanisms, the transmission of the most each slider-crank mechanism is independent, there is not intensity difference and the insecure problem of transmission, is especially suitable for operating the interlocking between two switches that axle is distant.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the interlock of the present invention；
Fig. 2 is the structural representation of the fixing seat in Fig. 1；
Fig. 3 is the present invention a kind of state diagram when the equal separating brake of disconnecting switch and earthed switch；
Fig. 4 is the present invention a kind of state diagram when the equal separating brake of disconnecting switch and earthed switch；
Fig. 5 is the present invention state diagram when disconnecting switch combined floodgate, grounding switch tripping；
Fig. 6 is the present invention state diagram when disconnecting switch separating brake, earthed switch combined floodgate.
Detailed description of the invention
The embodiment of the interlock of the present invention: as shown in figures 1 to 6, seat 5, connecting lever, connecting rod and slide block is fixed including bar shaped, wherein, the middle position of fixing seat 5 has the trapped orbit 6 extended along fixing seat length direction, the left part of fixing seat 5 is provided with the first pilot hole 11 for rotating assembling for isolator operation axle 1, and the right part of fixing seat 5 is provided with the second pilot hole 12 for rotating assembling for earthed switch operation axle 10.Connecting lever has two, the first connecting lever 2 being respectively installed on isolator operation axle 1 and the second connecting lever 9 being installed on earthed switch operation axle 10；Slide block has two, is respectively guiding and is slidedly assemblied on trapped orbit 6, the first slide block 4 and the second slide block 7 of left and right layout；Connecting rod has two, is respectively connected to the first connecting rod 3 between the first connecting lever 2 and the first slide block 4, the second connecting rod 8 being connected between the second connecting lever 9 and the second slide block 7.First connecting lever 2, first connecting rod 3 and the first slide block 4 cooperatively form the first slider-crank mechanism, second connecting lever 9, second connecting rod 8 and the second slide block 7 cooperatively form the second slider-crank mechanism, so when connecting lever moves in a circle with corresponding operation axle, corresponding slide block moves along a straight line along trapped orbit 6, and the common rail that trapped orbit 6 is two slide blocks.Owing to the rotation of two operation axles can realize the separating brake to inductive switch or combined floodgate, therefore, each connecting lever has closing position and sub-gate position, in the present embodiment, distance two slide blocks when the distance that each connecting lever is moved by its corresponding slide block during sub-gate position to closing position is in sub-gate position equal to two connecting levers, so when one of them connecting lever be in closing position, another connecting lever be in sub-gate position time, two slide blocks contact with each other, and are in slide block corresponding to the connecting lever of closing position and can limit another connecting lever and make motion of closing a floodgate.
As optimizing further, trapped orbit 6 uses the chute being slidably matched with two slider guides, is so easy to the installation of slide block.
As optimizing further, in the present embodiment, when connecting lever is in plumbness with fixing seat, connecting lever is in sub-gate position (i.e. corresponding switch is in gate-dividing state), and when connecting lever is in parastate with fixing seat, connecting lever is in closing position (i.e. corresponding switch is in "on" position), the axis of the jointed shaft between the axis and slide block and connecting rod of two pilot holes is positioned in same level simultaneously, so when closing position, the axis of the jointed shaft between each connecting lever and respective link goes on this horizontal plane, when one of them switch is in "on" position, the connecting lever of its correspondence, the line of connecting rod and slide block is positioned on the straight line of a horizontal direction, the limit block best results of now corresponding to another switch slide block.
The specific works process of above-described embodiment is as follows:
As shown in Fig. 1, Fig. 3, Fig. 4, disconnecting switch and earthed switch are in gate-dividing state, and the first connecting lever 2 and the second connecting lever 9 are in sub-gate position the most accordingly, and now, the distance between two slide blocks is in maximum rating.
As shown in Figure 5, disconnecting switch is in "on" position, earthed switch is in gate-dividing state, now two slide blocks offset, owing to the combined floodgate of disconnecting switch makes the first slide block 4 move right a segment distance, this segment distance is the most also moved to the left, for the second slide block 7 during earthed switch combined floodgate motion, the trapped orbit section that need to pass through, and the first slide block 4 just limits the trend that the second slide block 7 is moved to the left, and then prevents earthed switch from doing combined floodgate motion.
As shown in Figure 6, earthed switch is in "on" position, disconnecting switch is in gate-dividing state, now two slide blocks offset, owing to the combined floodgate of earthed switch makes the second slide block 7 be moved to the left a segment distance, this segment distance the most also for disconnecting switch close a floodgate motion time the first slide block 4 move right the trapped orbit section that need to pass through, and the second slide block 7 just limits the trend that the first slide block 4 moves right, and then prevents disconnecting switch from doing combined floodgate motion.
In above-described embodiment, the effect of fixing seat is to provide the trapped orbit needed for sliding for slide block, and fix the length spacing more than two operation axles of seat, so fixing seat relies on two operation axles to be fixed, in other embodiments, the length of fixing seat might be less that the spacing of two operation axles, so fixing seat are directly anchored on product base or support.
The embodiment of the interlocking method of the present invention: the method uses the interlock of said structure, two sets are utilized to be connected on isolator operation axle and earthed switch operation axle, to share slider track slider-crank mechanism, connecting lever is by sub-gate position in the motor process of closing position wherein, and the slide block of its correspondence moves to another slide block being in sub-gate position and finally offsets:
1), as shown in Fig. 1, Fig. 3, Fig. 4, disconnecting switch and earthed switch are in gate-dividing state, and the first connecting lever 2 and the second connecting lever 9 are in sub-gate position the most accordingly, and now, the distance between two slide blocks is in maximum rating；
2), as shown in Figure 5, disconnecting switch is in "on" position, earthed switch is in gate-dividing state, now two slide blocks offset, owing to the combined floodgate of disconnecting switch makes the first slide block 4 move right a segment distance, this segment distance is the most also moved to the left, for the second slide block 7 during earthed switch combined floodgate motion, the trapped orbit section that need to pass through, and the first slide block 4 just limits the trend that the second slide block 7 is moved to the left, and then prevents earthed switch from doing combined floodgate motion；
3), as shown in Figure 6, earthed switch is in "on" position, disconnecting switch is in gate-dividing state, now two slide blocks offset, owing to the combined floodgate of earthed switch makes the second slide block 7 be moved to the left a segment distance, this segment distance the most also for disconnecting switch close a floodgate motion time the first slide block 4 move right the trapped orbit section that need to pass through, and the second slide block 7 just limits the trend that the first slide block 4 moves right, and then prevents disconnecting switch from doing combined floodgate motion.
As optimizing further, in two set slider-crank mechanisms, the axis of the jointed shaft between the pivot center of one end that each connecting lever connects with corresponding pilot hole, slide block and connecting rod is positioned in same level, and when a connecting lever is in closing position wherein, the axis of the jointed shaft between this connecting lever and respective link goes on this horizontal plane, so when one of them switch is in "on" position, the line of the connecting lever of its correspondence, connecting rod and slide block is positioned on the straight line of a horizontal direction, the limit block best results of now corresponding to another switch slide block.
Claims (6)
1. a disconnecting switch and ground switch interlocking device, it is characterized in that: include two for being fixedly arranged on respectively on isolator operation axle and earthed switch operation axle, there is the connecting lever of closing position and sub-gate position, there is between two connecting levers the trapped orbit of the spacing direction extension along two operation axles, on trapped orbit, guiding movement is equipped with two slide blocks, each slide block respectively and is connected between the connecting lever of each respective side has connecting rod to share two set slider-crank mechanisms of a track to form two slide blocks, the distance that the distance that described connecting lever is moved by correspondence slide block during sub-gate position to closing position is in during sub-gate position two slide blocks equal to two connecting levers.
Disconnecting switch the most according to claim 1 and ground switch interlocking device, it is characterised in that: described trapped orbit is located on fixing seat, fixing seat has two for respectively for isolator operation axle and the pilot hole of earthed switch operation axle assembling.
Disconnecting switch the most according to claim 2 and ground switch interlocking device, it is characterised in that: described trapped orbit is the chute coordinated with slider guide sliding plug being opened on fixing seat.
4. according to the disconnecting switch described in Claims 2 or 3 and ground switch interlocking device, it is characterized in that: the axis of the jointed shaft between axis and slide block and the connecting rod of described pilot hole is positioned in same level, and wherein a connecting lever closing position time, the axis of the jointed shaft between this connecting lever and respective link goes on this horizontal plane.
5. a disconnecting switch and earthed switch interlocking method, it is characterized in that: the method utilizes two sets to be connected on isolator operation axle and earthed switch operation axle, to share slider track slider-crank mechanism, connecting lever is by sub-gate position in the motor process of closing position wherein, and the slide block of its correspondence moves to another slide block being in sub-gate position and finally offsets.
Disconnecting switch the most according to claim 5 and earthed switch interlocking method, it is characterized in that: in two set slider-crank mechanisms, the axis of the jointed shaft between the pivot center of one end that each connecting lever connects with corresponding pilot hole, slide block and connecting rod is positioned in same level, and when a connecting lever is in closing position wherein, the axis of the jointed shaft between this connecting lever and respective link goes on this horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297522.8A CN104134558B (en) | 2013-07-16 | 2013-07-16 | Disconnecting switch and earthed switch interlocking method and implement the interlock of the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297522.8A CN104134558B (en) | 2013-07-16 | 2013-07-16 | Disconnecting switch and earthed switch interlocking method and implement the interlock of the method |
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| Publication Number | Publication Date |
|---|---|
| CN104134558A CN104134558A (en) | 2014-11-05 |
| CN104134558B true CN104134558B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310297522.8A Active CN104134558B (en) | 2013-07-16 | 2013-07-16 | Disconnecting switch and earthed switch interlocking method and implement the interlock of the method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835674B (en) * | 2015-04-30 | 2017-12-22 | 国家电网公司 | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism |
| CN106449261B (en) * | 2016-11-08 | 2018-06-26 | 河南平高电气股份有限公司 | A kind of mechanical locking device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896494Y (en) * | 2006-04-30 | 2007-05-02 | 西安西开高压电气股份有限公司 | Mechanical interlocking device for switch apparatus |
| CN201278325Y (en) * | 2008-10-15 | 2009-07-22 | 湖南长高高压开关集团股份公司 | Mechanical interlocking apparatus for high-voltage isolation switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711735U (en) * | 1993-07-26 | 1995-02-21 | 日新電機株式会社 | Disconnector interlock device |
| JPH11224571A (en) * | 1998-02-09 | 1999-08-17 | Nissin Electric Co Ltd | Interlocking device for main line and spare line circuits |
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2013
- 2013-07-16 CN CN201310297522.8A patent/CN104134558B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2896494Y (en) * | 2006-04-30 | 2007-05-02 | 西安西开高压电气股份有限公司 | Mechanical interlocking device for switch apparatus |
| CN201278325Y (en) * | 2008-10-15 | 2009-07-22 | 湖南长高高压开关集团股份公司 | Mechanical interlocking apparatus for high-voltage isolation switch |
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| CN104134558A (en) | 2014-11-05 |
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