CN103928252B - The interlocking device of a kind of isolating switch and circuit breaker - Google Patents
The interlocking device of a kind of isolating switch and circuit breaker Download PDFInfo
- Publication number
- CN103928252B CN103928252B CN201410191990.1A CN201410191990A CN103928252B CN 103928252 B CN103928252 B CN 103928252B CN 201410191990 A CN201410191990 A CN 201410191990A CN 103928252 B CN103928252 B CN 103928252B
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- Prior art keywords
- pull bar
- circuit breaker
- support
- push rod
- isolating switch
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Train Traffic Observation, Control, And Security (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The interlocking device of a kind of isolating switch and circuit breaker.Provide a kind of features simple structure, convenient operation, improve the isolating switch of reliability and the interlocking device of circuit breaker.Described isolating switch and circuit breaker are located in described cabinet, described cabinet has upper wardrobe body and lower cabinet body, and described isolating switch is located in described upper wardrobe body, and described circuit breaker is located in described lower cabinet body, described circuit breaker has separating brake noncoupled axle, and described isolating switch and circuit breaker pass through baffle for separating; Described upper wardrobe body is by keying of front visiting, and described lower cabinet body is opened and closed by front Xiamen; Described interlocking device comprises front upper couplet on the door latch fitting, front lower couplet on the door latch fitting and control assembly; Interlocking device once controls front upper couplet on the door latch fitting and front lower couplet on the door latch fitting by control assembly; Easy and simple to handle, reliability is high, avoids the generation of misoperation fault.
Description
Technical field
The present invention relates to high voltage electric equipment and manufacture field, particularly relate to the interlocking device of high-tension switch cabinet.
Background technology
" interlocking " of high-tension switch cabinet is the important measures guaranteed equipment and personal safety, prevent misoperation.Ensure the safe operation of switch cubicle, need strictly press guidelines, but operator's out-of-sequence operation still can occur sometimes or interlocking device's reliability is low and the personnel that cause injure and device damage.Therefore, switch cabinet mechanical interlocking matched reliability need be improved.
Meanwhile, in prior art, the circuit breaker in switch cubicle and isolating switch need to control respectively by control switch, and two procedures makes complex operation, adds the probability of personnel's misoperation, increases risk.
Summary of the invention
The present invention is directed to above problem, provide a kind of features simple structure, convenient operation, improve the isolating switch of reliability and the interlocking device of circuit breaker.
Technical scheme of the present invention is: described isolating switch and circuit breaker are located in cabinet, described cabinet has upper wardrobe body and lower cabinet body, described isolating switch is located in described upper wardrobe body, described circuit breaker is located in described lower cabinet body, described circuit breaker has separating brake noncoupled axle, and described isolating switch and circuit breaker pass through baffle for separating; Described upper wardrobe body is by keying of front visiting, and described lower cabinet body is opened and closed by front Xiamen;
Described interlocking device comprises front upper couplet on the door latch fitting, front lower couplet on the door latch fitting and control assembly;
Described front upper couplet on the door latch fitting be located at described before the back side of visiting, described front upper couplet on the door latch fitting comprises travel switch, travel switch mounting plate, pull bar one support, pull bar one, spring and pin, described travel switch by described travel switch mounting plate be connected to described before visit on
Described pull bar one support is made up of plate and pair of side plates always, and described straight plate is located between described pair of side plates, and described pair of side plates is provided with corresponding through hole;
Described pull bar one by described pull bar one support be connected to described before visit on, described pull bar one level, be located in the through hole of described pair of side plates adaptedly, described pin to be fixedly connected on described pull bar one and between described pair of side plates;
Described spring housing to be located on described pull bar one and between described pin and the described pull bar one support side plate towards described travel switch; The action of described pull bar one touches described travel switch and controls described circuit breaker;
Described front lower couplet on the door latch fitting comprises axle sleeve locking part, pull bar two, pull bar two support, steel wire rope and front Xiamen fixed support,
Described axle sleeve locking part comprises axle sleeve and screw rod, described screw rod is fixedly connected on described axle sleeve, described axle sleeve controls described isolating switch action by rotating shaft, and described rotating shaft is located on a riser, described riser to be located on described dividing plate and described isolating switch and before visit between;
Described axle sleeve is provided with helicla flute, and described steel wire rope connects the separating brake noncoupled axle of described axle sleeve and described circuit breaker,
Two, described pull bar be erected at described before the back side of visiting, described pull bar two by described pull bar two support be connected to described before visit on, described pull bar two to be actively installed on described pull bar two support and to be realized compression by Compress Spring, resetted;
Described front Xiamen fixed support has connecting hole and is connected to the back side of described front Xiamen,
Described axle sleeve spinning movement makes screw rod touch described pull bar two to stretch in the support bracket fastened connecting hole in described front Xiamen;
Described control assembly is located between described front upper couplet on the door latch fitting and front lower couplet on the door latch fitting,
Described control assembly comprises push rod, pusher bar support, back-moving spring one and back-moving spring two,
Described push rod has hand push end, body and link successively,
The body that described back-moving spring one and back-moving spring two are set in described push rod is located in described pusher bar support, described pusher bar support be located at described before the back side of visiting, described pusher bar support is provided with guide hole, and described push rod is movably connected in the guide hole of described pusher bar support
The hand push end of described push rod comprises end cap, push pedal and some push jacks, and described end cap is provided with some pilot holes, and described push pedal is movably connected on described end cap by some described push jacks, and some described push jacks contact described back-moving spring two;
The body of described push rod is provided with chute,
Visit before described and be provided with push hole, described riser is provided with the connecting hole corresponding with described push hole, and described push rod is movably connected in described push hole and connecting hole;
The both sides of described push rod are respectively equipped with feeler lever one and feeler lever two, in the chute that described feeler lever one is actively installed on described putter body and between described back-moving spring one and back-moving spring two,
Described feeler lever one is towards described pull bar one, and the termination between described feeler lever one and pull bar one is respectively in relative triangle, and described feeler lever one controls the action of described pull bar one;
Described feeler lever two is located between described pusher bar support and riser, and described feeler lever two is located in described helicla flute towards the termination of described axle sleeve;
The link of described push rod is spherical in shape towards described connecting hole, and the link of described push rod is provided with the location notch of annular, and the outer ring of the spherical termination of described push rod is provided with trim ring ring, the diameter of described trim ring ring is less than the aperture of described connecting hole;
The aperture of described connecting hole is provided with soft back-up ring, and described soft back-up ring is located in the location notch of described push rod.
The termination of described feeler lever two is bulb, being located in described helicla flute of the Bulb Surface adaptation of described feeler lever two.
Described feeler lever two tilts towards described helicla flute.
Described spiral fluted front and back ends is respectively equipped with straight trough, the centerline parallel of described straight trough and axle sleeve.
Described push jack is T-shaped, upper-end contact back-moving spring two, and lower end is located in described pilot hole.
Interlocking device in the present invention once controls front upper couplet on the door latch fitting and front lower couplet on the door latch fitting by control assembly;
One time pressure-ram makes linearly operating, first, push pedal on push rod hand push end promotes push jack, push jack promotes back-moving spring two, feeler lever one and back-moving spring two, until the end cap of push pedal contact push rod, continues to promote, feeler lever one action, one end of contact pull bar one, and then feeler lever one drives pull bar one, pull bar one drives the electronic separating brake circuit breaker of travel switch; Then, because the termination of the feeler lever two on push rod is located in helicla flute, feeler lever two linearly operating drives axle sleeve to rotate, axle sleeve controls described isolating switch spinning movement by rotating shaft, until the link of push rod (spherical termination) is located at (namely soft back-up ring is located in the location notch of push rod) in the connecting hole of riser, close isolating switch;
Simultaneously, screw rod on axle sleeve rotates, and pull bar two, under the pressure effect of screw rod, moves down, when isolating switch is in closing position, pull bar two puts in be fixed in the support bracket fastened connecting hole in front Xiamen on top, front Xiamen completely, pins front Xiamen, now, be fixed on steel wire rope or other metal bracing wires that isolation switch shaft puts, drive breaker open operation noncoupled axle, recover in normal position, circuit breaker can normally close a floodgate;
After once extruding release, because feeler lever one is movably connected in the chute of push rod, form homing action (namely feeler lever one contacts the other end of pull bar one);
Secondary extrusion push rod makes linearly operating, and continue pressure-ram, trim ring ring pushes down soft back-up ring, soft back-up ring is made to depart from the location notch of push rod, push rod is under the effect of back-moving spring one, two, and first feeler lever one drives pull bar one, and pull bar one drives the electronic separating brake circuit breaker of travel switch;
Then, point isolating switch, feeler lever two, in helicla flute, drives axle sleeve to rotate, and axle sleeve drives screw rod to rotate, and pull bar two pops up under the reaction force of Compress Spring; When isolating switch is in open position, pull bar two departs from front Xiamen fixed support completely, and front Xiamen can be opened, and now, metal bracing wire tension breaker open operation noncoupled axle, makes circuit breaker close a floodgate.
The present invention is easy and simple to handle, reliability is high, avoids the generation of misoperation fault.
Accompanying drawing explanation
Fig. 1 is the structural representation of cabinet in the present invention,
Fig. 2 is the internal structure schematic diagram of Fig. 1,
The structural representation of Tu3Shi interlocking device of the present invention,
Fig. 4 be in Fig. 3 A to structural representation,
Fig. 5 .1 is the partial enlarged drawing at I place in Fig. 4,
Fig. 5 .2 is the syndeton schematic diagram of push rod and push pedal in the present invention,
Fig. 5 .3 is the structural representation of push rod in the present invention,
Fig. 5 .4 is the structural representation of bottom bracket axle of the present invention,
Fig. 5 .5 is the syndeton schematic diagram of push pedal in the present invention and push jack,
Fig. 5 .6 is the vertical view of Fig. 5 .5,
Fig. 6 is the structural representation of front upper couplet on the door latch fitting in the present invention,
Fig. 7 is the structural representation of pull bar one support in the present invention,
Fig. 8 is the vertical view of Fig. 7,
Fig. 9 is the syndeton schematic diagram of pull bar one and pin in the present invention,
Figure 10 is the structural representation of bottom bracket axle locking part of the present invention,
Figure 11 is the vertical view of Figure 10,
Figure 12 is the working state figure of interlocking device of the present invention,
Figure 13 is the working state figure of front lower couplet on the door latch fitting in the present invention;
In figure 1 be before visit, 10 is push hole, 2 is front Xiamen, 3 is isolating switches, 4 is circuit breakers, 40 is separating brake noncoupled axles, 5 be before to visit interlocking member, 51 is travel switches, 52 is travel switch mounting plates, 53 is pull bar one supports, 531 is straight plates, 532 is side plates, 5320 is through holes, 54 is pull bars one, 55 is springs, 56 is pins, 6 is front lower couplet on the door latch fittings, 61 is axle sleeve locking parts, 611 is axle sleeves, 6110 is helicla flutes, 6111 is straight troughs, 612 is screw rods, 613 is rotating shafts, 62 is pull bars two, 63 is pull bar two supports, 64 is steel wire ropes, 65 is front Xiamen fixed supports, 7 is control assemblys, 71 is push rods, 710 is location notchs, 711 is chutes, 712 is end caps, 72 is pusher bar supports, 731 is back-moving springs one, 732 is back-moving springs two, 74 is feeler levers one, 75 is feeler levers two, 76 is trim ring rings, 77 is push pedals, 78 is push jacks, 81 is risers, 810 is connecting holes, 82 is dividing plates, 9 is soft back-up rings.
Embodiment
The present invention as shown in figures 1-13, described isolating switch 3 and circuit breaker 4 are located in described cabinet, described cabinet has upper wardrobe body and lower cabinet body, described isolating switch 3 is located in described upper wardrobe body, described circuit breaker 4 is located in described lower cabinet body, described circuit breaker 4 has separating brake noncoupled axle 40, and described isolating switch 3 and circuit breaker 4 are separated by dividing plate 82; Described upper wardrobe body is by 1 keying of front visiting, and described lower cabinet body is opened and closed by front Xiamen 2;
As shown in Figure 3, described interlocking device comprises front upper couplet on the door latch fitting 5, front lower couplet on the door latch fitting 6 and control assembly 7;
As shown in Figure 6, described front upper couplet on the door latch fitting 5 be located at described before visit 1 the back side, described front upper couplet on the door latch fitting 5 comprises travel switch 51, travel switch mounting plate 52, pull bar one support 53, pull bar 1, spring 55 and pin 56, described travel switch 51 by described travel switch mounting plate 52 be connected to described before visit on 1
Described pull bar one support 53 is made up of plate 531 and pair of side plates 532 always, and described straight plate 531 is located between described pair of side plates 532, and described pair of side plates 532 is provided with corresponding through hole 5320;
Described pull bar 1 by described pull bar one support 53 be connected to described before visit on 1, described pull bar 1 level, be located in the through hole 5320 of described pair of side plates 532 adaptedly, described pin 56 to be fixedly connected on described pull bar 1 and between described pair of side plates 532;
Described spring 55 to be set on described pull bar 1 and between described pin 56 and described pull bar one support 53 side plate towards described travel switch 51; The action of described pull bar 1 touches described travel switch 51 and controls described circuit breaker 4;
Described front lower couplet on the door latch fitting 6 comprises axle sleeve locking part 61, pull bar 2 62, pull bar two support 63, steel wire rope 64 and front Xiamen fixed support 65,
Described axle sleeve locking part 61 comprises axle sleeve 611 and screw rod 612, described screw rod 612 is fixedly connected on described axle sleeve 611, described axle sleeve 611 controls described isolating switch 3 action (spinning movement) by rotating shaft 613, described rotating shaft 613 is located on a riser 81, and rotating shaft controls isolating switch action through riser; Described riser 81 to be located on described dividing plate 82 and described isolating switch 3 and before visit between 1;
As shown in Fig. 5 .4, described axle sleeve 611 is provided with helicla flute 6110, and described steel wire rope 64 connects the separating brake noncoupled axle 40 of described axle sleeve 611 and described circuit breaker 4,
Described pull bar two support 63 be located at described before visit 1 the back side, described pull bar 2 62 by described pull bar two support 63 be connected to described before visit on 1, described pull bar 2 62 to be actively installed on described pull bar two support 63 and to be realized compression by Compress Spring, resetted; In application, elevating movement done by pull bar 2 62, and pull bar 2 62 is provided with spacing backstay, and the structure of pull bar two support 63 is identical with pull bar one support 53, and Compress Spring is set on support, is located in the pair of side plates of support, and backstay is located in pair of side plates;
Described front Xiamen fixed support 65 has connecting hole and is connected to the back side of described front Xiamen 2,
The spinning movement of described axle sleeve 611 makes screw rod 612 touch described pull bar 2 62 to stretch in the connecting hole of described front Xiamen fixed support 65;
As shown in Figure 4, described control assembly 7 is located between described front upper couplet on the door latch fitting 5 and front lower couplet on the door latch fitting 6,
As shown in Fig. 5 .1-5.6, described control assembly 7 comprises push rod 71, pusher bar support 72, back-moving spring 1 and back-moving spring 2 732,
Described push rod 71 has hand push end, body and link successively,
The body that described back-moving spring 1 and back-moving spring 2 732 are set in described push rod 71 is located in described pusher bar support 72, described pusher bar support 72 be located at described before visit 1 the back side, described pusher bar support 72 is provided with guide hole, described push rod 71 is movably connected in the guide hole of described pusher bar support 72
The hand push end of described push rod 71 comprises end cap 712, push pedal 77 and some push jacks 78, described end cap 712 is provided with some pilot holes, described push pedal 77 is movably connected on described end cap 712 by some described push jacks 78, and some described push jacks 78 contact described back-moving spring 2 732; Hand push end relies on push pedal 77 to drive push jack 78 action, provides power, ensure that the slip of feeler lever one;
As shown in Fig. 5 .3, the body of described push rod 71 is provided with chute 711, and chute is strip groove and towards described pull bar one, the length of chute and the centerline parallel of push rod;
Visit before described and 1 be provided with push hole 10, described riser 81 is provided with the connecting hole 810 corresponding with described push hole 10, and described push rod 71 is movably connected in described push hole 10 and connecting hole 810; Hand push end is movably connected in push hole 10, and body is connected in the guide hole of pusher bar support, and link is movably connected in connecting hole 810, push rod moving linearly;
The both sides of described push rod 71 are respectively equipped with feeler lever 1 and feeler lever 2 75, in the chute 711 that described feeler lever 1 is actively installed on described putter body and between described back-moving spring 1 and back-moving spring 2 732,
Described feeler lever 1 is towards described pull bar 1, and the termination between described feeler lever 1 and pull bar 1 is respectively in relative triangle (can be arranged to bulb, reach identical effect), and described feeler lever 1 controls the action of described pull bar 1;
Described feeler lever 2 75 is located between described pusher bar support 72 and riser 81, and described feeler lever 2 75 is located in described helicla flute 6110 towards the termination of described axle sleeve 611; Feeler lever one is positioned at the front of feeler lever two;
The link of described push rod 71 is spherical in shape towards described connecting hole 810, the link (spherical termination) of described push rod 71 is provided with the location notch 710 of annular, the outer ring of the spherical termination of described push rod 71 is provided with trim ring ring 76, and the diameter of described trim ring ring 76 is less than the aperture of described connecting hole 810;
The aperture of described connecting hole 810 is provided with soft back-up ring 9, and described soft back-up ring 9 is located in the location notch 710 of described push rod.
The termination of described feeler lever 2 75 is bulb, being located in described helicla flute of the Bulb Surface adaptation of described push rod 2 75.
Described feeler lever 2 75 tilts towards described helicla flute; Towards unanimously, be convenient to the rotation of axle sleeve.
The front and back ends of described helicla flute 6110 is respectively equipped with straight trough 6111, the centerline parallel of described straight trough 6111 and axle sleeve.Described feeler lever 2 75 is located in described straight trough towards the termination of described axle sleeve, first straight trough, and rear screw groove, makes first cut-off breaker, then control isolating switch.
Arrange straight trough, the sliding space of reserved feeler lever two, the feeler lever one on such push rod can obvious cut-off breaker, and then drives axle sleeve, axle sleeve to drive rotating shaft, the action of rotating shaft drive isolating switch by feeler lever two.
Described push jack 78 is T-shaped, upper-end contact back-moving spring two, and lower end is located in described pilot hole.
Present invention, avoiding the generation of misoperation fault, Installation and Debugging convenience, reliability are high.Switch cubicle only need arrange push rod, can realize first cut-off breaker, then disconnecting switch operation; Push rod enters, and closes isolating switch; Push rod goes out, point isolating switch;
Two actions all complete when circuit breaker disconnects, simple and convenient, reduce the action that namely operation complicated in prior art needs switch several times.
When push rod advances, the front being located at pull bar one due to feeler lever one easily realizes feeler lever one and drives pull bar one action; When push rod is released, feeler lever one is needed to reset (feeler lever one in chute, because back-moving spring one, two resets), could first cut-off breaker, such guarantee safety operation;
The slip of back-moving spring one, two and feeler lever one, achieve push rod when advancing, releasing, first feeler lever one drives pull bar one, pull bar one and then triggering travel switch, the electronic separating brake circuit breaker of travel switch, travel switch, by wire connecting breaker, realizes electronic separating brake.
The present invention, when power transmission, once extrudes, advances; When having a power failure, secondary extrusion, release (exiting).
Claims (5)
1. the interlocking device of an isolating switch and circuit breaker, described isolating switch and circuit breaker are located in cabinet, described cabinet has upper wardrobe body and lower cabinet body, described isolating switch is located in described upper wardrobe body, described circuit breaker is located in described lower cabinet body, described circuit breaker has separating brake noncoupled axle, and described isolating switch and circuit breaker pass through baffle for separating; Described upper wardrobe body is by keying of front visiting, and described lower cabinet body is opened and closed by front Xiamen;
It is characterized in that, described interlocking device comprises front upper couplet on the door latch fitting, front lower couplet on the door latch fitting and control assembly;
Described front upper couplet on the door latch fitting be located at described before the back side of visiting, described front upper couplet on the door latch fitting comprises travel switch, travel switch mounting plate, pull bar one support, pull bar one, spring and pin, described travel switch by described travel switch mounting plate be connected to described before visit on
Described pull bar one support is made up of plate and pair of side plates always, and described straight plate is located between described pair of side plates, and described pair of side plates is provided with corresponding through hole;
Described pull bar one by described pull bar one support be connected to described before visit on, described pull bar one level, be located in the through hole of described pair of side plates adaptedly, described pin to be fixedly connected on described pull bar one and between described pair of side plates;
Described spring housing to be located on described pull bar one and between described pin and the described pull bar one support side plate towards described travel switch; The action of described pull bar one touches described travel switch and controls described circuit breaker;
Described front lower couplet on the door latch fitting comprises axle sleeve locking part, pull bar two, pull bar two support, steel wire rope and front Xiamen fixed support,
Described axle sleeve locking part comprises axle sleeve and screw rod, described screw rod is fixedly connected on described axle sleeve, described axle sleeve controls described isolating switch action by rotating shaft, and described rotating shaft is located on a riser, described riser to be located on described dividing plate and described isolating switch and before visit between;
Described axle sleeve is provided with helicla flute, and described steel wire rope connects the separating brake noncoupled axle of described axle sleeve and described circuit breaker,
Two, described pull bar be erected at described before the back side of visiting, described pull bar two by described pull bar two support be connected to described before visit on, described pull bar two to be actively installed on described pull bar two support and to be realized compression by Compress Spring, resetted;
Described front Xiamen fixed support has connecting hole and is connected to the back side of described front Xiamen,
Described axle sleeve spinning movement makes screw rod touch described pull bar two to stretch in the support bracket fastened connecting hole in described front Xiamen;
Described control assembly is located between described front upper couplet on the door latch fitting and front lower couplet on the door latch fitting,
Described control assembly comprises push rod, pusher bar support, back-moving spring one and back-moving spring two,
Described push rod has hand push end, body and link successively,
The body that described back-moving spring one and back-moving spring two are set in described push rod is located in described pusher bar support, described pusher bar support be located at described before the back side of visiting, described pusher bar support is provided with guide hole, and described push rod is movably connected in the guide hole of described pusher bar support
The hand push end of described push rod comprises end cap, push pedal and some push jacks, and described end cap is provided with some pilot holes, and described push pedal is movably connected on described end cap by some described push jacks, and some described push jacks contact described back-moving spring two;
The body of described push rod is provided with chute,
Visit before described and be provided with push hole, described riser is provided with the connecting hole corresponding with described push hole, and described push rod is movably connected in described push hole and connecting hole;
The both sides of described push rod are respectively equipped with feeler lever one and feeler lever two, in the chute that described feeler lever one is actively installed on described putter body and between described back-moving spring one and back-moving spring two,
Described feeler lever one is towards described pull bar one, and the termination between described feeler lever one and pull bar one is respectively in relative triangle, and described feeler lever one controls the action of described pull bar one;
Described feeler lever two is located between described pusher bar support and riser, and described feeler lever two is located in described helicla flute towards the termination of described axle sleeve;
The link of described push rod is spherical in shape towards described connecting hole, and the link of described push rod is provided with the location notch of annular, and the outer ring of the spherical termination of described push rod is provided with trim ring ring, the diameter of described trim ring ring is less than the aperture of described connecting hole;
The aperture of described connecting hole is provided with soft back-up ring, and described soft back-up ring is located in the location notch of described push rod.
2. the interlocking device of a kind of isolating switch according to claim 1 and circuit breaker, is characterized in that, the termination of described feeler lever two is bulb, being located in described helicla flute of the Bulb Surface adaptation of described feeler lever two.
3. the interlocking device of a kind of isolating switch according to claim 1 and 2 and circuit breaker, is characterized in that, described feeler lever two tilts towards described helicla flute.
4. the interlocking device of a kind of isolating switch according to claim 1 and circuit breaker, is characterized in that, described spiral fluted front and back ends is respectively equipped with straight trough, the centerline parallel of described straight trough and axle sleeve.
5. the interlocking device of a kind of isolating switch according to claim 1 and circuit breaker, is characterized in that, described push jack is T-shaped, upper-end contact back-moving spring two, and lower end is located in described pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191990.1A CN103928252B (en) | 2014-05-07 | 2014-05-07 | The interlocking device of a kind of isolating switch and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191990.1A CN103928252B (en) | 2014-05-07 | 2014-05-07 | The interlocking device of a kind of isolating switch and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103928252A CN103928252A (en) | 2014-07-16 |
| CN103928252B true CN103928252B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410191990.1A Expired - Fee Related CN103928252B (en) | 2014-05-07 | 2014-05-07 | The interlocking device of a kind of isolating switch and circuit breaker |
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| CN109798030B (en) * | 2019-03-20 | 2023-05-09 | 方大智创科技有限公司 | Manual unlocking device for platform screen door |
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|---|---|---|---|---|
| US6066814A (en) * | 1999-02-18 | 2000-05-23 | Eaton Corporation | Interlock for switchgear |
| CN2935448Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Mechanical program interlocking of outdoor breaker and isolating switch combined electrical equipment |
| CN201359940Y (en) * | 2008-12-30 | 2009-12-09 | 常州市明及电气技术开发有限公司 | Interlocking mechanism of isolating switch and circuit breaker |
| CN101557080A (en) * | 2009-05-18 | 2009-10-14 | 宁波天安（集团）股份有限公司 | Interlocking operating device used for high voltage switch cabinet |
| CN102347153A (en) * | 2011-09-22 | 2012-02-08 | 贵州长征中压开关设备有限公司 | Mechanical interlocking device of three-position isolating switch and circuit breaker |
| CN102436950A (en) * | 2011-10-14 | 2012-05-02 | 常州市明及电气技术开发有限公司 | Interlocking mechanism of isolation switch and breaker |
| CN203826248U (en) * | 2014-05-07 | 2014-09-10 | 江苏长宁电力科技有限公司 | Interlocking mechanism of isolating switch and circuit breaker |
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|---|---|
| CN103928252A (en) | 2014-07-16 |
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