CN103928252A - Disconnecting switch and interlocking mechanism of circuit breaker - Google Patents
Disconnecting switch and interlocking mechanism of circuit breaker Download PDFInfo
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- CN103928252A CN103928252A CN201410191990.1A CN201410191990A CN103928252A CN 103928252 A CN103928252 A CN 103928252A CN 201410191990 A CN201410191990 A CN 201410191990A CN 103928252 A CN103928252 A CN 103928252A
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- circuit breaker
- push rod
- pull bar
- support
- feeler lever
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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
- 238000005192 partition Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000033999 Device damage Diseases 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
Provided are a disconnecting switch and an interlocking mechanism of a circuit breaker, wherein the disconnecting switch and the interlocking mechanism of the circuit breaker are simple in structure and convenient to operate and improve reliability. The disconnecting switch and the circuit breaker are arranged in a cabinet body, the cabinet body is provided with an upper cabinet body and a lower cabinet body, the disconnecting switch is arranged in the upper cabinet body, the circuit breaker is arranged in the lower cabinet body, the circuit breaker is provided with a separating brake accessory shaft, and the disconnecting switch and the circuit breaker are separated through a partition board. The upper cabinet body is opened and closed through an upper front door, and the lower cabinet body is opened and closed through a lower front door. The interlocking mechanism comprises an upper front door interlocking part, a lower front door interlocking part and a control assembly. The interlocking mechanism controls the upper door interlocking part and the lower door interlocking part at one time through the control assembly. The disconnecting switch and the interlocking mechanism of the circuit breaker are simple to operate and high in reliability and avoid misoperation accidents.
Description
Technical field
The present invention relates to high voltage electric equipment and manufacture field, relate in particular to the interlocking device of high-tension switch cabinet.
Background technology
" interlocking " of high-tension switch cabinet is the important measures of guaranteeing equipment and personal safety, preventing misoperation.Ensure the safe operation of switch cubicle, need strictly with code operation, 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, need to improve switch cabinet mechanical interlocking matched reliability.
Meanwhile, in prior art, the circuit breaker in switch cubicle and isolating switch need to control by control switch respectively, and two procedures makes complex operation, has increased the probability of personnel's misoperations, has increased risk.
Summary of the invention
The present invention is directed to above problem, a kind of features simple structure is provided, convenient operation, improves 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 described cabinet, described cabinet has upper cabinet and lower cabinet body, described isolating switch is located in described upper cabinet, 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 cabinet is by the keying of front visiting, and described lower cabinet body opens and closes 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 is located at the back side of visiting before described, described front upper couplet on the door latch fitting comprises travel switch, travel switch mounting plate, rob support, pull bar one, spring and pin, on described travel switch is connected to and is visited before described by described travel switch mounting plate
Described rob 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 is connected to before described and is visited by described rob support, described pull bar one level, is located at adaptedly in the through hole of described pair of side plates, and described pin is fixedly connected on described pull bar one and between described pair of side plates;
Described spring housing be located on described pull bar one and at described pin and described rob support between the side plate of described travel switch; Circuit breaker described in the described travel switch control of described pull bar one action shake-up;
Described front lower couplet on the door latch fitting comprises axle sleeve locking part, 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 is by isolating switch action described in rotating shaft control, and described rotating shaft is located on a riser, described riser 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,
Described is erected at the back side of visiting before described, and described pull bar two is connected to before described and is visited by described support, and described pull bar two is actively installed on described support and by Compress Spring and realizes compression, resets;
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,
Described back-moving spring one and back-moving spring two are set on the body of described push rod and are located in described pusher bar support, described pusher bar support is located at the back side of visiting before described, 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,
Before described, visiting to be provided with pushes away hole, and described riser is provided with and described connecting hole corresponding to hole that push away, and described in described push rod is movably connected in, pushes away in hole and connecting hole; The both sides of described push rod are respectively equipped with feeler lever one and feeler lever two, and described feeler lever one is actively installed in the chute of described push rod 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 relative triangle, and described feeler lever one is controlled described pull bar one action;
Described feeler lever two is located between described pusher bar support and riser, and described feeler lever two is in the termination of described axle sleeve is located at described helicla flute;
The link of described push rod is towards described connecting hole and spherical in shape, and the link of described push rod is provided with annular location notch, and the outer ring of the spherical termination of described push rod is provided with trim ring ring, and 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 push rod two.
Described feeler lever two tilts towards described helicla flute.
Described spiral fluted front and back ends is respectively equipped with straight trough, and the center line of described straight trough and axle sleeve is parallel.
Described push jack is T-shaped, upper end in 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 is made 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 moves, 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 operatings drive axle sleeve rotation, axle sleeve is by isolating switch spinning movement described in rotating shaft control, until the link of push rod (spherical termination) is located at the connecting hole of riser interior (being that soft back-up ring is located in the location notch of push rod), close isolating switch;
Simultaneously, screw rod on axle sleeve rotates, and pull bar two, under the pressure-acting of screw rod, moves down, when isolating switch is during in closing position, pull bar two puts in the support bracket fastened connecting hole in front Xiamen that is fixed 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;
Once push after release, because feeler lever one is movably connected in the chute of push rod, form homing action (being the other end that feeler lever one contacts pull bar one);
Secondary extrusion push rod is made linearly operating, continues pressure-ram, and trim ring ring is pushed down soft back-up ring, make soft back-up ring 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 rotation, and axle sleeve drives screw rod rotation, and pull bar two pops up under the reaction force of Compress Spring; At isolating switch, during 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, cannot close a floodgate circuit breaker.
The present invention is easy and simple to handle, reliability is high, has avoided the generation of misoperation fault.
Brief description of the drawings
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 push pedal in the present invention and the syndeton schematic diagram of 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 rob 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 visits before being, and the 10th, push away hole, the 2nd, front Xiamen, the 3rd, isolating switch, the 4th, circuit breaker, the 40th, separating brake noncoupled axle,
The 5th, before the interlocking member of visiting, the 51st, travel switch, the 52nd, travel switch mounting plate, the 53rd, rob support, the 531st, straight plate, the 532nd, side plate, the 5320th, through hole, the 54th, pull bar one, 55th, spring, the 56th, pin,
The 6th, front lower couplet on the door latch fitting, the 61st, axle sleeve locking part, the 611st, axle sleeve, the 6110th, helicla flute, the 6111st, straight trough, the 612nd, screw rod, the 613rd, rotating shaft, the 62nd, pull bar two, 63rd, support, the 64th, steel wire rope, the 65th, front Xiamen fixed support,
The 7th, control assembly, the 71st, push rod, the 710th, location notch, the 711st, chute, the 712nd, end cap, the 72nd, pusher bar support, the 731st, back-moving spring one, 732nd, back-moving spring two, 74th, feeler lever one, 75th, feeler lever two, 76th, trim ring ring, the 77th, push pedal, the 78th, push jack,
The 81st, riser, the 810th, connecting hole, the 82nd, dividing plate, the 9th, soft back-up ring.
Embodiment
The present invention is as shown in Fig. 1-13, described isolating switch 3 and circuit breaker 4 are located in described cabinet, described cabinet has upper cabinet and lower cabinet body, described isolating switch 3 is located in described upper cabinet, 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 cabinet is by 1 keying of front visiting, and described lower cabinet body opens and closes 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 is located at 1 the back side of visiting before described, described front upper couplet on the door latch fitting 5 comprises travel switch 51, travel switch mounting plate 52, rob support 53, pull bar 1, spring 55 and pin 56, described travel switch 51 is connected to and is visited before described on 1 by described travel switch mounting plate 52
Described rob 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 is connected to and is visited before described on 1 by described rob support 53, described pull bar one 54 levels, be located at adaptedly in the through hole 5320 of described pair of side plates 532, described pin 56 is fixedly connected on described pull bar 1 and between described pair of side plates 532;
Described spring 55 be set on described pull bar 1 and at described pin 56 and described rob support 53 between the side plate of described travel switch 51; Described pull bar one 54 actions touch described travel switch 51 and control described circuit breaker 4;
Described front lower couplet on the door latch fitting 6 comprises axle sleeve locking part 61, pull bar 2 62, 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 is controlled described isolating switch 3 by rotating shaft 613 and is moved (spinning movement), described rotating shaft 613 is located on a riser 81, and rotating shaft is through the action of riser control isolating switch; Described riser 81 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 support 63 is located at 1 the back side of visiting before described, and described pull bar 2 62 is connected to and is visited before described on 1 by described support 63, and described pull bar 2 62 is actively installed on described support 63 and by Compress Spring and realizes compression, resets; In application, pull bar 2 62 is done elevating movement, and pull bar 2 62 is provided with spacing backstay, and the structure of support is identical with rob support, 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,
Described axle sleeve 611 spinning movements touch in the connecting hole that described pull bar 2 62 stretches into described front Xiamen fixed support 65 screw rod 612;
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,
Described back-moving spring 1 and back-moving spring 2 732 are set on the body of described push rod 71 and are located in described pusher bar support 72, described pusher bar support 72 is located at 1 the back side of visiting before described, 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 to move, and power is provided, and has ensured 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 is parallel with the center line of push rod;
Before described, visiting 1 is provided with and pushes away hole 10, and described riser 81 is provided with and described connecting hole corresponding to hole 10 810 that push away, and described in described push rod 71 is movably connected in, pushes away in hole 10 and connecting hole 810; Hand push end is movably connected in and pushes away in 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, and described feeler lever 1 is actively installed in the chute 711 of described push rod 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 relative triangle (can be arranged to bulb, reach identical effect), and described feeler lever 1 is controlled described pull bar one 54 actions;
Described feeler lever 2 75 is located between described pusher bar support 72 and riser 81, and described feeler lever 2 75 is in the termination of described axle sleeve 611 is located at described helicla flute 6110; Feeler lever one is positioned at the front of feeler lever two;
The link of described push rod 71 is towards described connecting hole 810 and spherical in shape, the link (spherical termination) of described push rod 71 is provided with annular location notch 710, 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, and the center line of described straight trough 6111 and axle sleeve is parallel.Described feeler lever 2 75 in the termination of described axle sleeve is located at described straight trough, first straight trough, rear screw groove, makes first cut-off breaker, then controls isolating switch.
Straight trough is set, the sliding space of reserved feeler lever two, significantly cut-off breaker of the feeler lever one on push rod like this, and then drive axle sleeve, axle sleeve to drive rotating shaft, rotating shaft to drive isolating switch to move by feeler lever two.
Described push jack 78 is T-shaped, upper end in contact back-moving spring two, and lower end is located in described pilot hole.
The present invention has avoided the generation of misoperation fault, and Installation and Debugging are convenient, reliability is 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 in the situation that circuit breaker disconnects, simple and convenient, and having reduced complicated operation in prior art needs the action of switch several times.
In the time that push rod advances, the front that is located at pull bar one due to feeler lever one is easily realized feeler lever one and is driven pull bar one action; In the time that push rod is released, need feeler lever one to reset by (feeler lever one is in chute, because back-moving spring one, two resets), the first cut-off breaker of ability, guarantee safety operation like this;
The slip of back-moving spring one, two and feeler lever one, has realized push rod in the time advancing, release, and 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, is realized electronic separating brake.
The present invention, in the time of power transmission, once pushes, advances; In the time 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 described cabinet, described cabinet has upper cabinet and lower cabinet body, described isolating switch is located in described upper cabinet, 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 cabinet is by the keying of front visiting, and described lower cabinet body opens and closes 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 is located at the back side of visiting before described, described front upper couplet on the door latch fitting comprises travel switch, travel switch mounting plate, rob support, pull bar one, spring and pin, on described travel switch is connected to and is visited before described by described travel switch mounting plate
Described rob 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 is connected to before described and is visited by described rob support, described pull bar one level, is located at adaptedly in the through hole of described pair of side plates, and described pin is fixedly connected on described pull bar one and between described pair of side plates;
Described spring housing be located on described pull bar one and at described pin and described rob support between the side plate of described travel switch; Circuit breaker described in the described travel switch control of described pull bar one action shake-up;
Described front lower couplet on the door latch fitting comprises axle sleeve locking part, 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 is by isolating switch action described in rotating shaft control, and described rotating shaft is located on a riser, described riser 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,
Described is erected at the back side of visiting before described, and described pull bar two is connected to before described and is visited by described support, and described pull bar two is actively installed on described support and by Compress Spring and realizes compression, resets;
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,
Described back-moving spring one and back-moving spring two are set on the body of described push rod and are located in described pusher bar support, described pusher bar support is located at the back side of visiting before described, 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,
Before described, visiting to be provided with pushes away hole, and described riser is provided with and described connecting hole corresponding to hole that push away, and described in described push rod is movably connected in, pushes away in hole and connecting hole;
The both sides of described push rod are respectively equipped with feeler lever one and feeler lever two, and described feeler lever one is actively installed in the chute of described push rod 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 relative triangle, and described feeler lever one is controlled described pull bar one action;
Described feeler lever two is located between described pusher bar support and riser, and described feeler lever two is in the termination of described axle sleeve is located at described helicla flute;
The link of described push rod is towards described connecting hole and spherical in shape, and the link of described push rod is provided with annular location notch, and the outer ring of the spherical termination of described push rod is provided with trim ring ring, and 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 push rod 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, and the center line of described straight trough and axle sleeve is parallel.
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 in 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 true CN103928252A (en) | 2014-07-16 |
| CN103928252B CN103928252B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN103928252B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798030A (en) * | 2019-03-20 | 2019-05-24 | 方大智创科技有限公司 | Platform screen door manual unlocking device |
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| JPH09282968A (en) * | 1996-04-18 | 1997-10-31 | Nissin Electric Co Ltd | Locking device for opening and closing operating apparatus |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798030A (en) * | 2019-03-20 | 2019-05-24 | 方大智创科技有限公司 | Platform screen door manual unlocking device |
| 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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| CN103928252B (en) | 2015-10-28 |
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