CN203434502U - A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches - Google Patents
A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches Download PDFInfo
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- CN203434502U CN203434502U CN201320546970.2U CN201320546970U CN203434502U CN 203434502 U CN203434502 U CN 203434502U CN 201320546970 U CN201320546970 U CN 201320546970U CN 203434502 U CN203434502 U CN 203434502U
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Abstract
The utility model discloses a switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches. The switch cabinet comprises a cabinet body and a cabinet door. An operating sleeve is connected with an operating shaft of the isolating switches and corresponds to a first program lock. An operating shaft equipped with a movable grounding switch opening and closing brake is installed on the cabinet body. An operating hole corresponding to the operating shaft is disposed on the cabinet body. The operating shaft corresponds to a second program lock. The first program lock and the second program lock share a key which is not separated from the lock if opening the lock. A first interlock mechanism of the cabinet door and the grounding switches is installed on the front side of the cabinet door and is composed of a lock catch fixed on the cabinet door, a first scalloped plate and a first limiting plate which are installed on the operating shaft, a first support installed on the cabinet body, a lock hook installed on the first support, and an L-shaped limiting rod which is cooperation with the lock hook and which is fixed on the first limiting plate. The operating shaft limits the opening of the second program lock with a second cam and a second limiting plate when the grounding switch is closed. The switch cabinet has characteristics of a complete interlock function, easy manipulation, and high security.
Description
Technical field
The utility model relates to switch cubicle, especially a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed.
Background technology
Switch cubicle is controller switching equipment conventional in electric power system, switch cubicle will comprise cabinet conventionally, circuit breaker, isolating switch, the mechanisms such as earthed switch, fail safe is one of most important technical indicator of switch cubicle, switch cubicle is in order to reach the requirement of " five is anti-", prevent that on-load from closing a floodgate, prevent mistakenly entering charged chamber, prevent from being with earth connection to close a floodgate, prevent on-load broaching tool lock, prevent live connection of ground wire, each manufacturer has designed various mutual interlocking gears in switch cubicle, but exist at present subject matter to be, the interlock function imperfection of part switch cubicle, Reliability of Microprocessor is lower, there are some potential safety hazards, the mutual interlocking gear of another part switch cubicle is complicated, complex operation, versatility is poor.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed, and its interlock function is perfect, simple to operate, safe.
For achieving the above object, the technical solution of the utility model is: a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed, comprise cabinet, isolating switch is equipped with on the top of cabinet, vacuum circuit-breaker is equipped with at the middle part of cabinet, earthed switch is equipped with in the bottom of cabinet, the top of cabinet front side is provided with isolator operation chamber, the bottom of cabinet front side is provided with cabinet door, one operating sleeve is connected with isolator operation axle and is indoor in isolator operation, indoor first procedure lock that is equipped with of isolator operation;
One operating axis is contained on cabinet, and it is corresponding with operating axis that the front downside of cabinet is provided with a handle hole, and the second procedure lock is equipped with on described handle hole limit, and operating axis clockwise rotates and drives earthed switch to close a floodgate, and operating axis rotates counterclockwise drive grounding switch tripping;
The first procedure lock and the second procedure lock share one opening lock not from the key of locking, after the first procedure lock taking-up key, its dead bolt stretches out and blocks the through hole of described operating sleeve front end, the second procedure lock takes out after key its dead bolt and stretches out and block handle hole described in cabinet downside, the first procedure lock inserts the through hole that its dead bolt after key turns bounce back and departs from described operating sleeve front end, and after the second procedure lock insertion key turns, its dead bolt bounces back and departs from handle hole described in cabinet downside;
The first mutual interlocking gear is equipped with in the front side of cabinet, described the first mutual interlocking gear comprises a snap close that is contained in cabinet door inner side, be contained in the first fanning strip and the first limiting plate on operating axis, the first support is housed on the cabinet below operating axis, the latch hook moving up and down is housed on the first support, a L shaped gag lever post is fixed in the bottom of described the first limiting plate, the front end of gag lever post matches with described snap close, the first stage clip is housed on operating axis and to described the first limiting plate, applies the power of reach, one vertical bearing pin is housed on the first support, the rear end of latch hook is enclosed within on bearing pin, the bottom of bearing pin is equipped with the second stage clip and to latch hook, is applied with the power of moving, the front end that described in when cabinet door is closed, snap close withstands L shaped gag lever post makes to move after the first limiting plate, the rotation of the first fanning strip is not interrupted, operating axis rotate counterclockwise while driving grounding switch tripping described in the first fanning strip follow operating axis and rotate and depress latch hook and make the front end of latch hook hook described snap close, described in when operating axis clockwise rotates drive earthed switch combined floodgate, the first fanning strip departs from latch hook, latch hook moves under the second stage clip effect, the front end of latch hook departs from described snap close, cabinet door is opened rear described snap close and is departed from L shaped gag lever post, described the first limiting plate moves forward under the first stage clip effect, described the first limiting plate front end limits the first fanning strip and rotates,
On described operating axis, be fixed with the second cam, the second limiting plate is housed on the first support, match with the lower end of the dead bolt of the second procedure lock in one end of the second limiting plate, the other end of the second limiting plate matches with the second cam, operating axis rotates when earthed switch is closed a floodgate, operating axis drives the second cam to withstand one end of the second limiting plate, the second limiting plate other end withstands moving down of dead bolt restriction dead bolt, operating axis rotates while making grounding switch tripping, operating axis drives one end of second cam disengages the second limiting plate, and the second limiting plate is removed the restriction to dead bolt.
Further improve, the described cabinet behind the door both sides of face is provided with a plurality of draw-in grooves from top to bottom, and both sides, cabinet front side are provided with a plurality of grabs from top to bottom, and cabinet door utilizes described a plurality of draw-in groove to be plugged on a plurality of grabs described in cabinet.Realize the plug-in type of cabinet door and cabinet and install, facilitate the integral body of cabinet door to shift out.
Further improve, described earthed switch is provided with ground connection rotating shaft, fixes the first connecting lever in ground connection rotating shaft, is fixed with the second connecting lever on described operating axis, and the free end of the first connecting lever is connected by first connecting rod with the free end of the second connecting lever.To facilitate the position of arranging earthed switch.
Further improve, described the first fanning strip is connected with operating axis by the first cam, and the first fanning strip is provided with fan groove, and a screw is fixed on the first cam and the first cam and the first fanning strip are clamped together through fan groove.The relative position of the first fanning strip and operating axis can be adjusted, improve the reliability of action.
Preferably described the first procedure lock comprises bearing, key, pedestal mounted dead bolt, and bearing is provided with the spliced eye of key, and described the second procedure lock is identical with the first procedure lock structure.
Further improve, on described operating axis, be fixed with the 3rd cam, the outer peripheral face of the 3rd cam is provided with an arc groove, and the first support is provided with spacing preiection, and described arc groove matches to limit the rotational angle that operating axis rotates and reverse with described spacing preiection.In the time of can better controlling earthed switch combined floodgate and separating brake, the rotational angle of operating axis, improves the reliability of divide-shut brake action.
Further improve, on described L shaped gag lever post, back-moving spring is also housed.Make L shaped gag lever post more reliably drive the first limiting plate to reset.
Further improve, indoor second mutual interlocking gear that is equipped with of described isolator operation, described the second mutual interlocking gear comprises four-cam and the 5th cam that is fixed on operating sleeve outer peripheral face, four-cam and the 5th cam are along being circumferentially interspersed, the second support is set below operating sleeve, the first push rod, the second push rod and a pull bar are housed on the second support, the first push rod, the second push rod and pull bar is parallel to each other and perpendicular with the axis of operating sleeve, match with four-cam and the 5th cam respectively in the top of the first push rod and the second push rod;
A rotating shaft is set after the second support, the 3rd connecting lever is fixed in rotating shaft one end, the other end is fixed the 4th connecting lever, the lower end of the 3rd connecting lever swinging end and pull bar is connected, the operating mechanism of vacuum circuit-breaker is provided with combined floodgate axle, one end of combined floodgate axle is fixed with the 5th connecting lever, the swinging end of the 5th connecting lever is connected by second connecting rod with the 4th connecting lever swinging end, and when vacuum circuit-breaker closes a floodgate, the 5th connecting lever pulls second connecting rod to move down;
On the operating mechanism of vacuum circuit-breaker, be also provided with trip shaft, one end of trip shaft is fixed with the 6th connecting lever, the swinging end of the 6th connecting lever is connected by third connecting rod with the lower end of the second push rod, when the second push rod top contacts with the 5th cam, move down, then make trip shaft turn to trip status by third connecting rod and the 6th connecting lever;
A upper cover plate is fixed in the upper end of pull bar, and upper cover plate is before operating sleeve;
On cabinet door, being fixed with a lock dog matches with the lower end of the first push rod, while closing Over-The-Counter door, lock dog matches and pulls the first push rod to move down with the lower end of the first push rod, and when four-cam withstands the first push rod top, it is dead that cabinet door knob cabinet door lock is further inserted in the lower end of the first push rod;
The 3rd stage clip is housed between the first push rod and the second support, the 4th stage clip is housed between the second push rod and the second support, the 5th stage clip is housed between the first pull bar and the second support.Realize the interlocking of isolating switch, vacuum circuit-breaker and cabinet door.
Further improve again, on the operating sleeve outer peripheral face between four-cam and the 5th cam, be also fixed with the 6th cam, the 3rd push rod is also installed on the second support, match with the 6th cam in the upper end of the 3rd push rod, the 6th stage clip is housed between the 3rd push rod and the second support, an indicating arm is fixed at the middle part of the 3rd push rod, and the front end of indicating arm stretches out outside the second support and " combined floodgate " and " separating brake " direction board is housed.Can conveniently find out that isolating switch is in " combined floodgate " state or " separating brake " state outward at switch cubicle.
Further improve again, vacuum circuit-breaker is provided with motor-operating mechanism, described operating sleeve side is provided with the first travel switch, the first travel switch is controlled the power supply of described motor-operating mechanism, on described operating sleeve outer peripheral face, fix a contact and match with the first travel switch, when operating sleeve makes isolator operation axle turn to closing position described in contact contact with the first travel switch and make the power supply energising of described motor-operating mechanism; On described the first support, the second travel switch is housed, the middle part of described latch hook is fixed a touch panel and is matched with the second travel switch, described in when operating axis rotates counterclockwise drive grounding switch tripping, the first fanning strip is followed operating axis rotation and is depressed latch hook, the touch panel at latch hook middle part is depressed the second travel switch connects the second travel switch, and the second travel switch and the first travel switch are in series.Further realize the electrical interlock of isolating switch, earthed switch and vacuum circuit-breaker.
The utlity model has following interlock function:
1, by the first procedure lock and the second procedure lock, share one opening lock not from the key of locking, after the first procedure lock taking-up key, its dead bolt stretches out and blocks the through hole of described operating sleeve front end, the second procedure lock takes out after key its dead bolt and stretches out and block handle hole described in cabinet downside, and isolating switch and earthed switch can not be operated simultaneously; Operating axis rotates when earthed switch is closed a floodgate simultaneously, operating axis drives the second cam to withstand one end of the second limiting plate, the second limiting plate other end withstands moving down of dead bolt restriction dead bolt, like this when earthed switch is during in "on" position, the key of the second procedure lock cannot take out, the first procedure lock just cannot be opened, and isolating switch just can not operate; Prevent from closing isolating switch or preventing live connection of ground wire in ground state, occur security incident;
2, operating axis rotate counterclockwise while driving grounding switch tripping described in the first fanning strip follow operating axis and rotate and depress latch hook and make the front end of latch hook hook described snap close, because snap close and cabinet door fix, therefore earthed switch is when gate-dividing state, and cabinet door cannot be opened; Prevent mistakenly entering charged chamber;
When 3, earthed switch combined floodgate cabinet door is opened, described snap close departs from L shaped gag lever post, and described the first limiting plate moves forward under the first stage clip effect, and described the first limiting plate front end limits the first fanning strip and rotates; Therefore operating axis can not operate, and prevents from opening cabinet door and carries out grounding switch tripping.
Further, by the second mutual interlocking gear, realize isolating switch, vacuum circuit-breaker and cabinet door and interlock, when vacuum circuit-breaker closes a floodgate, isolating switch is locked cannot operate; Isolating switch closes a floodgate, and cabinet door is locked cannot be opened; When cabinet door is opened, isolating switch is locked cannot be operated; During isolating switch separating brake, vacuum circuit-breaker is locked cannot close a floodgate.
Further again, by being provided with the first travel switch on described operating sleeve side, the second travel switch being equipped with on the first support and the motor-operating mechanism on vacuum circuit-breaker are realized electrical interlock.
Therefore the utility model interlock function is perfect, simple to operate, safe.
Accompanying drawing explanation
Fig. 1 is the utility model stereogram;
Fig. 2 is the utility model hidden cabinet door, part cabinet stereogram;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the A place enlarged drawing of Fig. 2;
Fig. 5 is the B place enlarged drawing of Fig. 3;
Fig. 6 is the stereogram of cabinet door;
Fig. 7 is the syndeton front view of earthed switch and the first mutual interlocking gear, the second procedure lock;
Fig. 8 is the right parallax stereogram of Fig. 7;
Fig. 9 is the left parallax stereogram of Fig. 7.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 9, a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed, comprise cabinet 1, isolating switch 2 is equipped with on the top of cabinet 1, vacuum circuit-breaker 3 is equipped with at the middle part of cabinet 1, earthed switch 4 is equipped with in the bottom of cabinet 1, and the top of cabinet 1 front side is provided with isolator operation chamber 1a, and the bottom of cabinet 1 front side is provided with cabinet door 5;
One operating sleeve 6 is connected with isolating switch 2 operating axis 21 and in the 1a of isolator operation chamber, the first procedure lock 7 is housed in the 1a of isolator operation chamber;
One operating axis 8 is contained on cabinet 1, it is corresponding with operating axis 8 that the front downside of cabinet 1 is provided with a handle hole 1b, the second procedure lock 9 is equipped with on described handle hole 1b limit, and operating axis 8 clockwise rotates and drives earthed switch 4 to close a floodgate, and operating axis 8 rotates counterclockwise and drives earthed switch 4 separating brakes;
The first procedure lock 7 and the second procedure lock 9 share one opening lock not from the key 10 of locking, the first procedure lock 7 takes out the through hole that rear its dead bolt of key 10 stretches out and block described operating sleeve 6 front ends, the second procedure lock 9 takes out after keys 10 its dead bolt and stretches out and block handle hole 1b described in cabinet 1 downside, after the first procedure lock 7 inserts keys 10 and rotates, its dead bolt bounce back and departs from the through hole of described operating sleeve 6 front ends, and the second procedure lock 9 inserts keys 10 and rotates rear its dead bolt and bounce back and depart from handle hole 1b described in cabinet 1 downside;
The first mutual interlocking gear 20 is equipped with in the front side of cabinet 1, described the first mutual interlocking gear 20 comprises a snap close 51 that is contained in cabinet door 5 inner sides, be contained in the first fanning strip 81 and the first limiting plate 82 on operating axis 8, the first support 201 is housed on the cabinet 1 below operating axis 8, the latch hook 202 moving up and down is housed on the first support 201, a L shaped gag lever post 821 is fixed in the bottom of the first limiting plate 82, the front end of gag lever post 821 matches with described snap close 51, the first stage clip 83 is housed on operating axis 8 and to the first limiting plate 82, applies the power of reach, one vertical bearing pin 203 is housed on the first support 201, the rear end of latch hook 202 is enclosed within on bearing pin 203, the bottom of bearing pin 203 is equipped with the second stage clip 204 and is applied with the power of moving to latch hook 202, the front end that described in when cabinet door 5 is closed, snap close 51 withstands L shaped gag lever post 821 makes to move after the first limiting plate 82, the rotation of the first fanning strip 81 is not interrupted, operating axis 8 rotate counterclockwise while driving earthed switch 4 separating brake described in the first fanning strip 81 follow operating axis 8 and rotate and depress latch hook 202 and make the front end of latch hook 202 hook described snap close 51, described in when operating axis 8 clockwise rotates drive earthed switch 4 combined floodgate, the first fanning strip 81 departs from latch hooks 202, latch hook 202 moves under the second stage clip 204 effect, the front end of latch hook 202 departs from described snap close 51, cabinet door 5 is opened rear described snap close 51 and is departed from L shaped gag lever post 821, the reach under the first stage clip 83 effects of the first limiting plate 82, the first limiting plate 82 front ends limit the first fanning strip 81 and rotate, the rotation of operating axis 8 is and then limited,
Described the first limiting plate 82 is L shaped limiting plate;
On described operating axis 8, be fixed with the second cam 85, the second limiting plate 206 is housed on the first support 201, match with the lower end of the dead bolt 91 of the second procedure lock 9 in one end of the second limiting plate 206, the other end of the second limiting plate 206 matches with the second cam 85, operating axis 8 rotates when earthed switch 4 is closed a floodgate, one end that operating axis 8 drives the second cam 85 to withstand the second limiting plate 206, second limiting plate 206 other ends withstand moving down of dead bolt 91 restriction dead bolts 91, operating axis 8 rotates while making earthed switch 4 separating brake, operating axis 8 drives the second cam 85 to depart from one end of the second limiting plate 206, the restriction that the second limiting plate 206 is removed dead bolt 91.
Described cabinet door 5 both sides are below provided with a plurality of draw-in grooves 52 from top to bottom, and cabinet 1 both sides, front side are provided with a plurality of grab 1c from top to bottom, and cabinet door 5 utilizes described a plurality of draw-in groove 52 to be plugged on a plurality of grab 1c described in cabinet 1.
Described earthed switch 4 is provided with ground connection rotating shaft 41, fixes the first connecting lever 411 in ground connection rotating shaft 41, is fixed with second free end of connecting lever 412, the first connecting levers 411 and the free end of the second connecting lever 412 and is connected by first connecting rod 413 on described operating axis 8.
Described the first fanning strip 81 is connected with operating axis 8 by the first cam 84, and the first fanning strip 81 is provided with 811, screws of fan groove and is fixed on the first cam 84 and the first cam 84 and the first fanning strip 81 are clamped together through fan groove 811.
Described the first procedure lock 7 comprises bearing 71, is contained in the dead bolt 72 on bearing 71, and bearing 71 is provided with the spliced eye 711 of key 10, and described the second procedure lock 9 is identical with the first procedure lock 7 structures.
On described operating axis 8, be fixed with the 3rd cam 86, the outer peripheral face of the 3rd cam 86 is provided with an arc groove 861, the first support 201 is provided with spacing preiection 205, and described arc groove 861 matches to limit with described spacing preiection 205 rotational angle that operating axis 8 rotates and reverse.
On described L shaped gag lever post 821, back-moving spring 822 is also housed.
The second mutual interlocking gear 30 is housed in described isolator operation chamber 1a, described the second mutual interlocking gear 30 comprises four-cam 61 and the 5th cam 62 that is fixed on operating sleeve 6 outer peripheral faces, four-cam 61 and the 5th cam 62 are along being circumferentially interspersed, the second support 301 is set below operating sleeve 6, the first push rod 302 is housed on the second support 301, the second push rod 303 and a pull bar 304, the first push rod 302, the second push rod 303 and pull bar 304 are parallel to each other and are perpendicular with the axis of operating sleeve 6, match with four-cam 61 and the 5th cam 62 respectively in the top of the first push rod 302 and the second push rod 303,
A rotating shaft 305 is set after the second support 301, the 3rd connecting lever 3051 is fixed in rotating shaft 305 one end, the other end is fixed the 4th connecting lever, the 3rd connecting lever 3051 swinging ends are connected with the lower end of pull bar 304, the operating mechanism of vacuum circuit-breaker 3 is provided with combined floodgate axle 31, one end of combined floodgate axle 31 is fixed with the 5th connecting lever 32, the swinging end of the 5th connecting lever 32 is connected by second connecting rod 33 with the 4th connecting lever swinging end, and when vacuum circuit-breaker 3 closes a floodgate, the 5th connecting lever 32 pulls second connecting rod 33 to move down;
On the operating mechanism of vacuum circuit-breaker 3, be also provided with trip shaft 34, one end of trip shaft 34 is fixed with the 6th connecting lever 35, the lower end of the swinging end of the 6th connecting lever 35 and the second push rod 303 is connected by third connecting rod 36, when the second push rod 303 tops contact with the 5th cam 62, move down, then make trip shaft 34 turn to trip status by third connecting rod 36 and the 6th connecting lever 35;
A upper cover plate 3041 is fixed in the upper end of pull bar 304, and upper cover plate 3041 is before operating sleeve 6;
On cabinet door 5, being fixed with a lock dog 53 matches with the lower end of the first push rod 302, while closing Over-The-Counter door 5, lock dog 53 matches with the lower end of the first push rod 302 and pulls the first push rod 302 to move down, when four-cam 61 withstands the first push rod 302 top, cabinet door 5 is further inserted in the lower end of the first push rod 302, and cabinet door 5 is locked;
Between the first push rod 302 and the second support 301, be equipped with between the 3rd stage clip 306, the second push rods 303 and the second support 301 and be equipped with between the 4th stage clip 307, the first pull bars 304 and the second support 301 the 5th stage clip 308 is housed.
On operating sleeve 6 outer peripheral faces between four-cam 61 and the 5th cam 62, be also fixed with the 6th cam 63, the 3rd push rod 309 is also installed on the second support 301, match with the 6th cam 63 in the upper end of the 3rd push rod 309, between the 3rd push rod 309 and the second support 301, the 6th stage clip 310 is housed, an indicating arm 3091 is fixed at the middle part of the 3rd push rod 309, and the front end of indicating arm 3091 stretches out outside the second support 301 and " combined floodgate " and " separating brake " direction board is housed.
Vacuum circuit-breaker 3 is provided with motor-operating mechanism 3a, described operating sleeve 6 sides are provided with the first travel switch 11, the first travel switch 11 is controlled the power supply of described motor-operating mechanism 3a, on described operating sleeve 6 outer peripheral faces, fix a contact 64 and match with the first travel switch 11, when operating sleeve 6 makes isolating switch 2 operating axis 21 turn to closing position described in contact 64 contact with the first travel switch 11 and make the power supply energising of described motor-operating mechanism 3a;
On described the first support 201, the second travel switch 12 is housed, the middle part of described latch hook 202 is fixed a touch panel 2021 and is matched with the second travel switch 12, described in when operating axis 8 rotates counterclockwise drive earthed switch 4 separating brake, the first fanning strip 81 is followed operating axis 8 rotations and is depressed latch hook 202, the touch panel 2021 at latch hook 202 middle parts is depressed the second travel switch 12 connects the second travel switch, and the second travel switch 12 and the first travel switch 11 are in series.
The operation principle that the present embodiment mainly interlocks is as follows:
1, the first procedure lock 7 and the second procedure lock 9 share one opening lock not from the key 10 of lock, and key 10 is on the first procedure lock 7 time, and earthed switch 4 cannot operate, and key 10 is on the second procedure lock 9 time, and isolating switch 2 cannot operate; Operating axis 8 rotates when earthed switch 4 is closed a floodgate simultaneously, one end that operating axis 8 drives the second cam 85 to withstand the second limiting plate 206, second limiting plate 206 other ends withstand moving down of dead bolt 91 restriction dead bolts 91, while being earthed switch 4 combined floodgate, key 10 cannot depart from the second procedure lock 9, the first procedure lock 7 can not be opened, and isolating switch 2 cannot operate; Prevent that earthed switch 4 combined floodgate mistimings from closing isolating switch 2 or closing isolating switch 2 mistiming live connection of ground wires;
2, operating axis 8 rotate counterclockwise while driving earthed switch 4 separating brake described in the first fanning strip 81 follow operating axis 8 and rotate and depress latch hook 202 and make the front end of latch hook 202 hook described snap close 51, so earthed switch 4 is when gate-dividing state, cabinet door 5 cannot be opened; Prevent mistakenly entering charged chamber;
When 3, earthed switch 4 combined floodgate cabinet doors 5 are opened, described snap close 51 departs from L shaped gag lever post 821, the reach under the first stage clip 83 effects of described the first limiting plate 82, and described the first limiting plate 82 front ends limit the first fanning strip 81 and rotate; Therefore operating axis 8 can not operate, and prevents from opening cabinet door 5 and carries out earthed switch 4 separating brakes;
When 4, vacuum circuit-breaker 3 closes a floodgate, isolating switch 2 is locked cannot operate; It pulls second connecting rod 33 to move down by the 5th connecting lever 32, second connecting rod 33 pulls pull bar 304 to move down by the 4th connecting lever, rotating shaft 305, the 3rd connecting lever 3051, the upper cover plate 3041 that is fixed on pull bar 304 upper ends just moves down operating sleeve 6 front ends is covered, operating sleeve 6 cannot operate, at this moment isolating switch 2 is locked, prevents mistake minute isolating switch 2;
5, isolating switch 2 closes a floodgate, and cabinet door 5 is locked cannot be opened; When isolating switch 2 closes a floodgate, operating sleeve 6 clockwise rotates, and four-cam 61 withstands the top of the first push rod 302, and the first push rod 302 moves down, and cabinet door 5 is further inserted in the lower end of the first push rod 302, and cabinet door 5 is locked, and now cabinet door 5 is locked, cannot open;
6,, when cabinet door 5 is opened, isolating switch 2 is locked cannot be operated; Because now earthed switch 4 is when closing a floodgate, key 10 cannot depart from the second procedure lock 9, the first procedure locks 7 cannot be opened, and isolating switch 2 just cannot operate;
7,, during isolating switch 2 separating brake, vacuum circuit-breaker 3 is locked cannot close a floodgate; When isolating switch 2 separating brake, operating sleeve 6 rotates counterclockwise, the upper end that the 5th cam 62 withstands the second push rod 303, the second push rod 303 moves down, the lower end of the second push rod 303 just drives third connecting rod 36 to move down, third connecting rod drives trip shaft 34 to turn to trip status by the 6th connecting lever 35, and now the operating mechanism of vacuum circuit-breaker 3 cannot close a floodgate;
8,, by being provided with the first travel switch 11 on described operating sleeve 6 sides, the second travel switch 12 and the motor-operating mechanism 3a on vacuum circuit-breaker 3 that on the first support 210, are equipped with realize electrical interlock.
The present embodiment power transmission order: close cabinet door 5, make earthed switch 4 separating brakes, the second procedure lock 9 pins and takes out key 10, opens the second procedure lock 7, closes isolating switch 2, closes vacuum circuit-breaker 3.Power down sequence: minute vacuum circuit-breaker 3, minute isolating switch 2, pins the first procedure lock 7, takes out key 10, opens the second procedure lock, and earthed switch 4 is closed a floodgate, and now just can open cabinet door 5.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection range of this case.
Claims (10)
1. the switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed, comprise cabinet, isolating switch is equipped with on the top of cabinet, vacuum circuit-breaker is equipped with at the middle part of cabinet, earthed switch is equipped with in the bottom of cabinet, the top of cabinet front side is provided with isolator operation chamber, and the bottom of cabinet front side is provided with cabinet door, it is characterized in that:
One operating sleeve is connected with isolator operation axle and is indoor in isolator operation, indoor first procedure lock that is equipped with of isolator operation;
One operating axis is contained on cabinet, and it is corresponding with operating axis that the front downside of cabinet is provided with a handle hole, and the second procedure lock is equipped with on described handle hole limit, and operating axis clockwise rotates and drives earthed switch to close a floodgate, and operating axis rotates counterclockwise drive grounding switch tripping;
The first procedure lock and the second procedure lock share one opening lock not from the key of locking, after the first procedure lock taking-up key, its dead bolt stretches out and blocks the through hole of described operating sleeve front end, the second procedure lock takes out after key its dead bolt and stretches out and block handle hole described in cabinet downside, the first procedure lock inserts the through hole that its dead bolt after key turns bounce back and departs from described operating sleeve front end, and after the second procedure lock insertion key turns, its dead bolt bounces back and departs from handle hole described in cabinet downside;
The first mutual interlocking gear is equipped with in the front side of cabinet, described the first mutual interlocking gear comprises a snap close that is contained in cabinet door inner side, be contained in the first fanning strip and the first limiting plate on operating axis, the first support is housed on the cabinet below operating axis, the latch hook moving up and down is housed on the first support, a L shaped gag lever post is fixed in the bottom of described the first limiting plate, the front end of gag lever post matches with described snap close, the first stage clip is housed on operating axis and to described the first limiting plate, applies the power of reach, one vertical bearing pin is housed on the first support, the rear end of latch hook is enclosed within on bearing pin, the bottom of bearing pin is equipped with the second stage clip and to latch hook, is applied with the power of moving, the front end that described in when cabinet door is closed, snap close withstands L shaped gag lever post makes to move after the first limiting plate, the rotation of the first fanning strip is not interrupted, operating axis rotate counterclockwise while driving grounding switch tripping described in the first fanning strip follow operating axis and rotate and depress latch hook and make the front end of latch hook hook described snap close, described in when operating axis clockwise rotates drive earthed switch combined floodgate, the first fanning strip departs from latch hook, latch hook moves under the second stage clip effect, the front end of latch hook departs from described snap close, cabinet door is opened rear described snap close and is departed from L shaped gag lever post, described the first limiting plate moves forward under the first stage clip effect, described the first limiting plate front end limits the first fanning strip and rotates,
On described operating axis, be fixed with the second cam, the second limiting plate is housed on the first support, match with the lower end of the dead bolt of the second procedure lock in one end of the second limiting plate, the other end of the second limiting plate matches with the second cam, operating axis rotates when earthed switch is closed a floodgate, operating axis drives the second cam to withstand one end of the second limiting plate, the second limiting plate other end withstands moving down of dead bolt restriction dead bolt, operating axis rotates while making grounding switch tripping, operating axis drives one end of second cam disengages the second limiting plate, and the second limiting plate is removed the restriction to dead bolt.
2. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, it is characterized in that: the described cabinet behind the door both sides of face is provided with a plurality of draw-in grooves from top to bottom, both sides, cabinet front side are provided with a plurality of grabs from top to bottom, and cabinet door utilizes described a plurality of draw-in groove to be plugged on a plurality of grabs described in cabinet.
3. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, it is characterized in that: described earthed switch is provided with ground connection rotating shaft, in ground connection rotating shaft, fix the first connecting lever, on described operating axis, be fixed with the second connecting lever, the free end of the first connecting lever is connected by first connecting rod with the free end of the second connecting lever.
4. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, it is characterized in that: described the first fanning strip is connected with operating axis by the first cam, the first fanning strip is provided with fan groove, and a screw is fixed on the first cam and the first cam and the first fanning strip are clamped together through fan groove.
5. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, it is characterized in that: described the first procedure lock comprises bearing, key, pedestal mounted dead bolt, bearing is provided with the spliced eye of key, and described the second procedure lock is identical with the first procedure lock structure.
6. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, it is characterized in that: on described operating axis, be fixed with the 3rd cam, the outer peripheral face of the 3rd cam is provided with an arc groove, the first support is provided with spacing preiection, and described arc groove matches to limit the rotational angle that operating axis rotates and reverse with described spacing preiection.
7. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 1, is characterized in that: on described L shaped gag lever post, back-moving spring is also housed.
8. according to a kind of isolating switch that is equipped with described in claim 1 to 7 any one, the switch cubicle of vacuum circuit-breaker and earthed switch, it is characterized in that: indoor second mutual interlocking gear that is equipped with of described isolator operation, described the second mutual interlocking gear comprises four-cam and the 5th cam that is fixed on operating sleeve outer peripheral face, four-cam and the 5th cam are along being circumferentially interspersed, the second support is set below operating sleeve, the first push rod is housed on the second support, the second push rod and a pull bar, the first push rod, the second push rod and pull bar are parallel to each other and are perpendicular with the axis of operating sleeve, match with four-cam and the 5th cam respectively in the top of the first push rod and the second push rod,
A rotating shaft is set after the second support, the 3rd connecting lever is fixed in rotating shaft one end, the other end is fixed the 4th connecting lever, the lower end of the 3rd connecting lever swinging end and pull bar is connected, the operating mechanism of vacuum circuit-breaker is provided with combined floodgate axle, one end of combined floodgate axle is fixed with the 5th connecting lever, the swinging end of the 5th connecting lever is connected by second connecting rod with the 4th connecting lever swinging end, and when vacuum circuit-breaker closes a floodgate, the 5th connecting lever pulls second connecting rod to move down;
On the operating mechanism of vacuum circuit-breaker, be also provided with trip shaft, one end of trip shaft is fixed with the 6th connecting lever, the swinging end of the 6th connecting lever is connected by third connecting rod with the lower end of the second push rod, when the second push rod top contacts with the 5th cam, move down, then make trip shaft turn to trip status by third connecting rod and the 6th connecting lever;
A upper cover plate is fixed in the upper end of pull bar, and upper cover plate is before operating sleeve;
On cabinet door, being fixed with a lock dog matches with the lower end of the first push rod, while closing Over-The-Counter door, lock dog matches and pulls the first push rod to move down with the lower end of the first push rod, and when four-cam withstands the first push rod top, it is dead that cabinet door knob cabinet door lock is further inserted in the lower end of the first push rod;
The 3rd stage clip is housed between the first push rod and the second support, the 4th stage clip is housed between the second push rod and the second support, the 5th stage clip is housed between the first pull bar and the second support.
9. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 8, it is characterized in that: on the operating sleeve outer peripheral face between four-cam and the 5th cam, be also fixed with the 6th cam, the 3rd push rod is also installed on the second support, match with the 6th cam in the upper end of the 3rd push rod, the 6th stage clip is housed between the 3rd push rod and the second support, an indicating arm is fixed at the middle part of the 3rd push rod, and the front end of indicating arm stretches out outside the second support and " combined floodgate " and " separating brake " direction board is housed.
10. a kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed according to claim 8, it is characterized in that: vacuum circuit-breaker is provided with motor-operating mechanism, described operating sleeve side is provided with the first travel switch, the first travel switch is controlled the power supply of described motor-operating mechanism, on described operating sleeve outer peripheral face, fix a contact and match with the first travel switch, when operating sleeve makes isolator operation axle turn to closing position described in contact contact with the first travel switch and make the power supply energising of described motor-operating mechanism;
On described the first support, the second travel switch is housed, the middle part of described latch hook is fixed a touch panel and is matched with the second travel switch, described in when operating axis rotates counterclockwise drive grounding switch tripping, the first fanning strip is followed operating axis rotation and is depressed latch hook, the touch panel at latch hook middle part is depressed the second travel switch connects the second travel switch, and the second travel switch and the first travel switch are in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546970.2U CN203434502U (en) | 2013-09-04 | 2013-09-04 | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546970.2U CN203434502U (en) | 2013-09-04 | 2013-09-04 | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434502U true CN203434502U (en) | 2014-02-12 |
Family
ID=50063520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320546970.2U Withdrawn - After Issue CN203434502U (en) | 2013-09-04 | 2013-09-04 | A switch cabinet provided with isolating switches, vacuum circuit breakers, and grounding switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434502U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441439A (en) * | 2013-09-04 | 2013-12-11 | 厦门闽光电气实业有限公司 | Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches |
| CN103996990A (en) * | 2014-05-29 | 2014-08-20 | 厦门兴厦控电气有限公司 | Novel inflatable switch cabinet |
| CN105097326A (en) * | 2015-08-19 | 2015-11-25 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN105742091A (en) * | 2016-03-27 | 2016-07-06 | 梁作鹏 | Five-prevention interlocking operation mechanism of switch cabinet |
| CN106128845A (en) * | 2016-08-25 | 2016-11-16 | 苏州科陆东自电气有限公司 | The anti-misoperation interlocking mechanism of gas-insulated metal enclosed switchgear and device |
| CN110070997A (en) * | 2018-01-23 | 2019-07-30 | 伊顿电力设备有限公司 | Switchgear and its cabinet |
| CN117200064A (en) * | 2023-09-12 | 2023-12-08 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
-
2013
- 2013-09-04 CN CN201320546970.2U patent/CN203434502U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441439A (en) * | 2013-09-04 | 2013-12-11 | 厦门闽光电气实业有限公司 | Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches |
| CN103441439B (en) * | 2013-09-04 | 2015-09-23 | 厦门闽光电气实业有限公司 | A kind of switch cubicle that isolating switch, vacuum circuit-breaker and earthed switch are housed |
| CN103996990A (en) * | 2014-05-29 | 2014-08-20 | 厦门兴厦控电气有限公司 | Novel inflatable switch cabinet |
| CN103996990B (en) * | 2014-05-29 | 2016-05-25 | 厦门兴厦控电气有限公司 | A kind of inflating switch cabinet |
| CN105097326A (en) * | 2015-08-19 | 2015-11-25 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN105097326B (en) * | 2015-08-19 | 2017-05-03 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN105742091A (en) * | 2016-03-27 | 2016-07-06 | 梁作鹏 | Five-prevention interlocking operation mechanism of switch cabinet |
| CN106128845A (en) * | 2016-08-25 | 2016-11-16 | 苏州科陆东自电气有限公司 | The anti-misoperation interlocking mechanism of gas-insulated metal enclosed switchgear and device |
| CN106128845B (en) * | 2016-08-25 | 2017-12-12 | 苏州科陆东自电气有限公司 | The anti-misoperation interlocking mechanism and device of gas-insulated metal enclosed switchgear |
| CN110070997A (en) * | 2018-01-23 | 2019-07-30 | 伊顿电力设备有限公司 | Switchgear and its cabinet |
| CN117200064A (en) * | 2023-09-12 | 2023-12-08 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
| CN117200064B (en) * | 2023-09-12 | 2024-03-15 | 万固电气有限公司 | Front lower door interlocking device of centrally installed switchgear |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150923 |
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| RGAV | Abandon patent right to avoid regrant |