CN217387009U - Operating system of vacuum circuit breaker - Google Patents
Operating system of vacuum circuit breaker Download PDFInfo
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- CN217387009U CN217387009U CN202121646740.4U CN202121646740U CN217387009U CN 217387009 U CN217387009 U CN 217387009U CN 202121646740 U CN202121646740 U CN 202121646740U CN 217387009 U CN217387009 U CN 217387009U
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Abstract
An operating system of a vacuum circuit breaker, characterized in that: the mounting bracket includes first installation curb plate and installation diaphragm, permanent magnetic mechanism includes the mount pad, quiet iron core, move the iron core, mount pad fixed mounting is on first installation curb plate, quiet iron core fixed mounting is on the mount pad, it is located the top of quiet iron core to move the iron core, quiet iron core upside is formed with the half slot, manual separating brake mechanism includes the installing frame, the apparatus is rotating, installing frame fixed mounting is on first installation curb plate, the pivot is rotatable to be installed on the installing frame, and be connected with the elastic component that resets between pivot and the installing frame, the pivot rear end is formed with semi-circular boss, and establish at the half slot. The advantages are that: the installation frame is composed of the first installation side plate and the installation transverse plate, the whole structure is firm, the permanent magnet mechanism and the manual brake separating mechanism are both installed on the first installation side plate, and the manual brake separating mechanism directly acts on the permanent magnet mechanism, so that the whole layout is reasonable and compact, and the action is stable and reliable.
Description
Technical Field
The utility model relates to a high-voltage apparatus field, concretely relates to vacuum circuit breaker's operating device.
Background
Vacuum circuit breakers are circuit breakers using vacuum as an insulating and arc extinguishing medium between contacts, and are widely used in power distribution networks because of their advantages of small size and light weight, and many industrial and mining enterprises, power plants and transformer substations use vacuum circuit breakers for protection and control of electrical equipment.
The invention patent of the prior application of the applicant discloses a multifunctional combined type vacuum circuit breaker (CN 108376628A) and an interlocking mechanism (CN 108461332A) of the circuit breaker, a disconnecting switch and an earthing switch, which both disclose the structure of the multifunctional combined type vacuum circuit breaker, but the vacuum circuit breaker still adopts a traditional spring energy storage link mechanism as an operating mechanism, and not only has a complex structure, but also has unstable action.
The permanent magnet operating mechanism has very simple constituent units, mainly comprises a permanent magnet, a coil, a magnetic yoke, an armature, a spring and the like, and has the advantages of high action speed, stability, reliable action, long service life and the like compared with the traditional spring energy storage link mechanism, so that the design of the permanent magnet operating mechanism with simple structure and convenient operation to replace the traditional spring energy storage link mechanism is necessary.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiency of the background art, the utility model provides an operating mechanism of vacuum circuit breaker.
The utility model discloses the technical scheme who adopts: an operating system for a vacuum circuit breaker comprising
The refrigerator comprises a box body and a control panel, wherein the box body comprises a cabinet body with a front side opening and the control panel is arranged on the front side of the cabinet body;
the mounting frame comprises a first mounting side plate and a mounting transverse plate, the mounting transverse plate is transversely arranged in the cabinet body, the bottom of the first mounting side plate is fixedly connected with the mounting transverse plate, and the rear side edge of the first mounting side plate is fixedly connected with the rear side wall of the cabinet body;
the transmission mechanism comprises a spline shaft and a pull rod assembly, wherein the spline shaft is rotatably arranged on the cabinet body and is in linkage connection with the pull rod assembly through a first crank arm;
the permanent magnet mechanism comprises a mounting seat, and a static iron core and a movable iron core which are correspondingly arranged, wherein the mounting seat is fixedly arranged on the first mounting side plate, the static iron core is fixedly arranged on the mounting seat, the movable iron core is positioned above the static iron core and is connected with an operating rod, the operating rod extends downwards to pass through the mounting seat, and the operating rod is in linkage connection with the spline shaft through a connecting rod and a second crank arm;
manual separating brake mechanism, it includes installing frame, pivot, installing frame fixed mounting is on first installation curb plate, the pivot is rotatable installs on the installing frame, and is connected with the elastic component that resets between pivot and the installing frame, the pivot rear end is formed with semi-circular boss, quiet iron core upside is formed with the half slot, semi-circular boss is inserted and is established in the half slot.
The installation diaphragm is provided with an auxiliary switch, and the auxiliary switch is in linkage connection with the spline shaft through a connecting rod and a third crank arm.
The installation transverse plate is fixedly connected with the side wall of the cabinet body in an inserted mode.
Also comprises an interlocking mechanism which comprises
The program lock is fixedly arranged in the cabinet body and is provided with a lock rod capable of moving up and down;
the isolation shaft linkage assembly is in linkage connection with the isolation shaft;
the lock plate is provided with an operation hole, can be vertically and slidably arranged on the cabinet body, and is provided with an unlocking position corresponding to the operation hole, the grounding operation shaft and the isolation operation shaft and a locking position in which the operation hole, the grounding operation shaft and the isolation operation shaft are staggered;
program lock link board, it is installed at the cabinet internally with sliding from top to bottom, and it is connected with the locking lever linkage, all constitute interlocking cooperation between program lock link board and isolation shaft interlock spare, the locking plate, program lock link board have with keep apart spacing cooperation of shaft interlock spare make isolator keep the separating brake at the separating brake position and with the spacing cooperation of locking plate make the locking plate keep the primary importance in latched position to and with isolation shaft interlock spare, locking plate relieve spacing complex secondary importance.
The isolation shaft interlocking assembly comprises a fourth crank arm fixedly installed on the isolation shaft, and a limiting shaft extends out of the fourth crank arm; the limiting shaft and the lock plate are both positioned below the program lock connecting plate.
The program linkage plate comprises a mounting plate, an upper limiting plate is formed at the upper end of the mounting plate, and a lower limiting plate is formed at the lower end of the mounting plate; the limiting shaft is located below the upper limiting plate, and the locking plate is located below the lower limiting plate.
The mounting plate can be installed on the mounting frame in a vertically sliding mode.
The utility model has the advantages that: the installation frame is composed of the first installation side plate and the installation transverse plate, the whole structure is firm, the permanent magnet mechanism and the manual brake separating mechanism are both installed on the first installation side plate, and the manual brake separating mechanism can directly act on the permanent magnet mechanism, so that the whole layout is more reasonable and compact, and the action is more stable and reliable.
Drawings
Fig. 1 is a schematic structural diagram of an operating system of a vacuum circuit breaker according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram 1 of an operating system cabinet of a vacuum circuit breaker according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram 2 in the cabinet body of the operating system of the vacuum circuit breaker according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram 3 in a cabinet body of an operating system of a vacuum circuit breaker according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a permanent magnet mechanism according to an embodiment of the present invention.
Fig. 6 is a sectional view of a permanent magnet mechanism according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a manual opening mechanism according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a program lock plate according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings:
as shown in the figure, the operating system of the vacuum circuit breaker comprises a box body, a mounting frame, a transmission mechanism, a permanent magnet mechanism and a manual opening mechanism.
The box body is installed on a main frame of the vacuum circuit breaker and comprises a cabinet body 11 and an operation panel 12 installed on the front side of the cabinet body.
The mounting bracket includes first installation curb plate 21, installation diaphragm 22, second installation curb plate 23, installation diaphragm 22 violently establishes in the cabinet body 11 to with the fixed grafting of the cabinet body 11 lateral wall, first installation curb plate 21 bottom and installation diaphragm 22 fixed connection, back side and the cabinet body 1 back lateral wall fixed connection, second installation curb plate 23 then through a plurality of horizontal poles 24 fixed mounting on first installation curb plate 21, installation diaphragm 22, second installation curb plate 23 constitute installation operating system's mounting bracket jointly, simple to operate not only, stable in structure moreover.
The transmission mechanism comprises a spline shaft 31 and a pull rod assembly 32, the spline shaft 31 is rotatably installed on the cabinet body 1 and is in linkage connection with the pull rod assembly 32 through a first crank arm 33, the pull rod assembly 32 is provided with a plurality of fixing pieces fixedly connected with an insulating pull rod of a vacuum arc extinguish chamber pole and a brake separating tension spring vertically arranged in the action direction of the fixing pieces, and the brake separating and closing action of the vacuum circuit breaker can be realized through the rotating action of the spline shaft 31.
Permanent magnetic mechanism 4 includes mount pad 41, quiet iron core 42, moves iron core 43, permanent magnet 45, coil skeleton 46 and coil, mount pad 41 fixed mounting is on first installation curb plate 21, quiet iron core 42 fixed mounting is on mount pad 41, move the iron core 43 and be located quiet iron core 42's top to be connected with action bars 44, action bars 44 downwardly extending passes mount pad 41, action bars 44 passes through connecting rod, second turning arm 34 and is connected with integral key shaft 31 linkage, consequently can drive integral key shaft 31 through permanent magnetic mechanism 4, and the action is closed and shut in the floodgate that can realize the circuit breaker part.
The manual separating brake mechanism comprises an installation frame 51 and a rotating shaft 52, the installation frame 51 is fixedly installed on the first installation side plate 21, the rotating shaft 52 is rotatably installed on the installation frame 51, a reset elastic piece 53 is connected between the rotating shaft 52 and the installation frame 51, a semicircular boss 521 is formed at the rear end of the rotating shaft 52, a semicircular groove 421 is formed on the upper side of the static iron core 42, the semicircular boss 521 is inserted into the semicircular groove 421, when the manual separating brake is needed, the rotating shaft 52 is rotated, the semicircular boss 521 of the rotating shaft 52 can push the movable iron core 43 to move upwards, the separating brake action is realized, after the separating brake is completed, the rotating shaft 52 is loosened, the rotating shaft 52 can automatically reset under the action of the reset elastic piece 53, and the manual separating brake operation is very convenient.
The permanent magnet mechanism and the manual opening mechanism are both arranged on the first installation side plate, and the manual opening mechanism can directly act on the permanent magnet mechanism, so that the overall layout is more reasonable and compact, and the action is more stable and reliable.
In addition, the installation transverse plate 22 is also provided with an auxiliary switch 7, and the auxiliary switch 7 is linked with the spline shaft 31 through a connecting rod and a third crank arm 35, so that auxiliary action is realized, and stable and reliable action is ensured.
On the basis of the above structure, an interlocking mechanism may be further provided for forming an interlocking function with the disconnecting switch and the grounding switch, generally, the bottom of the cabinet body 11 is provided with a grounding operation shaft 91 and an isolating operation shaft 92, the upper part of the cabinet body 11 is provided with an isolating shaft 93, the grounding closing and grounding opening switching action of the grounding switch can be realized by rotating the grounding operation shaft 91, and the opening and closing action of the disconnecting switch can be realized by rotating the isolating operation shaft 92 and matching with the isolating shaft 93.
The interlocking mechanism comprises a program lock 81, an isolation shaft interlocking assembly 82, a lock plate 83 and a program interlock plate 84.
The program lock 81 is fixedly installed at the upper end of the cabinet 11 and has a lock rod capable of moving up and down.
The isolation shaft interlock assembly 82 includes a fourth crank arm 821 fixedly mounted on the isolation shaft 93, and a limit shaft 822 extends from the fourth crank arm 821.
The locking plate 83 is provided with an operation hole 831, the locking plate 83 is mounted on the cabinet 11 in a vertically slidable manner, and has an unlocking position where the operation hole 831 corresponds to the grounding operation shaft 91 and the isolating operation shaft 92 and a locking position where the operation hole 831 is staggered with the grounding operation shaft 91 and the isolating operation shaft 92; when the lock is in the locking position, the lock can be locked by a padlock, so that the operation of others is prevented.
The program lock connecting plate 84 is mounted on the mounting frame 51 in a vertically slidable manner, is linked with the lock rod, can be directly fixed by a screw, and can also be connected by an elastic member, and the lock rod of the program lock 84 moves vertically to realize the vertical sliding of the program lock connecting plate 84.
The program lock connecting plate 84 comprises a mounting plate 841, wherein a plurality of guide grooves are formed on the mounting plate 841, the mounting plate 841 is in up-and-down sliding fit with the mounting frame 51 through guide posts, an upper limiting plate 842 is formed at the upper end of the mounting plate 841, and a lower limiting plate 843 is formed at the lower end of the mounting plate 841; the limiting shaft 822 is located below the upper limiting plate 842, the lock plate 83 is located below the lower limiting plate 843, and therefore the program lock 81 can be in interlocking fit with the disconnecting switch and the lock plate through the program lock connecting plate 84, the program lock connecting plate 84 has a first position which is in limiting fit with the limiting shaft 822 to enable the disconnecting switch to be kept at the opening position and is in limiting fit with the lock plate 83 to enable the lock plate 83 to be kept at the locking position, and a second position which is in releasing limiting fit with the limiting shaft 822 and the lock plate 83.
When the isolating switch is switched on, the isolating shaft 93 drives the limiting shaft 822 to move upwards through the fourth crank arm 821, so that when the isolating switch is at a switching-on position, the limiting shaft 822 can limit the program lock connecting plate 84 to slide downwards, and the program lock connecting plate 84 can only be kept at a second position, and therefore, only when the isolating switch is at a switching-off position, the program lock can be operated, and the locking rod drives the program lock connecting plate 84 to move.
When operation procedure lock 81 makes the locking lever action downwards, can drive procedure lock even board 84 synchronous gliding, at this moment, procedure lock even board 84 removes to the primary importance, with spacing axle 822, the spacing cooperation of jam plate 83, make isolator by the branch floodgate position of locking, jam plate 83 is locked in latched position simultaneously, avoid jam plate 83 to be opened and the maloperation, thereby guarantee to overhaul the in-process and can not cause the incident because of the maloperation circular telegram, further guarantee safe and reliable's maintenance environment, avoid the maloperation incident to appear, guarantee electric power safety.
When the program lock 81 is operated to enable the lock rod to move upwards, the program lock connecting plate 84 can be driven to slide upwards synchronously, at the moment, the program lock connecting plate 84 moves to the second position and is disengaged from the limiting shaft 822 and the lock plate 83 in limiting fit, at the moment, the isolating switch can normally move, meanwhile, the lock plate 83 can also be moved to the unlocking position, and the purpose of manual operation can be achieved.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should know that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (7)
1. An operating system of a vacuum circuit breaker, characterized in that: comprises that
A box body which comprises a cabinet body (11) with an opening at the front side and an operation panel (12) arranged at the front side of the cabinet body (11);
the mounting frame comprises a first mounting side plate (21) and a mounting transverse plate (22), the mounting transverse plate (22) is transversely arranged in the cabinet body (11), the bottom of the first mounting side plate (21) is fixedly connected with the mounting transverse plate (22), and the rear side edge of the first mounting side plate is fixedly connected with the rear side wall of the cabinet body (11);
the transmission mechanism comprises a spline shaft (31) and a pull rod assembly (32), wherein the spline shaft (31) is rotatably arranged on the cabinet body (11) and is in linkage connection with the pull rod assembly (32) through a first crank arm (33);
the permanent magnet mechanism comprises a mounting seat (41), a static iron core (42) and a movable iron core (43), wherein the static iron core (42) and the movable iron core (43) are correspondingly arranged, the mounting seat (41) is fixedly mounted on a first mounting side plate (21), the static iron core (42) is fixedly mounted on the mounting seat (41), the movable iron core (43) is positioned above the static iron core (42) and is connected with an operating rod (44), the operating rod (44) downwards extends through the mounting seat (41), and the operating rod (44) is in linkage connection with the spline shaft (31) through a connecting rod and a second crank arm (34);
manual separating brake mechanism, it includes installing frame (51), pivot (52), installing frame (51) fixed mounting is on first installation curb plate (21), the rotatable installation of pivot (52) is on installing frame (51), and is connected with elastic component (53) that reset between pivot (52) and installing frame (51), pivot (52) rear end is formed with semi-circular boss (521), quiet iron core (42) upside is formed with semicircular slot (421), semicircular boss (521) are inserted and are established in semicircular slot (421).
2. The operating system of a vacuum circuit breaker according to claim 1, characterized in that: the installation transverse plate (22) is provided with an auxiliary switch (7), and the auxiliary switch (7) is in linkage connection with the spline shaft (31) through a connecting rod and a third crank arm (35).
3. The operating system of a vacuum circuit breaker according to claim 1, wherein: the mounting transverse plate (22) is fixedly connected with the side wall of the cabinet body (11) in an inserted manner.
4. The operating system of a vacuum circuit breaker according to claim 1, wherein: also comprises an interlocking mechanism which comprises
A program lock (81) which is fixedly arranged in the cabinet body (11) and is provided with a lock rod capable of moving up and down;
an isolation shaft interlocking assembly (82) which is in interlocking connection with the isolation shaft (93);
a lock plate (83) which is provided with an operation hole (831), wherein the lock plate (83) is mounted on the cabinet body (11) in a vertically sliding manner and is provided with an unlocking position where the operation hole (831) corresponds to the grounding operation shaft (91) and the isolation operation shaft (92) and a locking position where the operation hole (831) is staggered with the grounding operation shaft (91) and the isolation operation shaft (92);
program lock even board (84), it can install in cabinet body (11) with sliding from top to bottom, and it is connected with the locking lever linkage, all constitute interlocking cooperation between program lock even board (84) and isolation shaft interlock spare (82), jam plate (83), program lock even board (84) have with isolation shaft interlock spare (82) spacing cooperation make isolator keep separating brake at the separating brake position and with jam plate (83) spacing cooperation make jam plate (83) keep the primary importance in latched position to and with isolation shaft interlock spare (82), jam plate (83) relieve spacing complex secondary importance.
5. The operating system of a vacuum circuit breaker according to claim 4, wherein: the isolation shaft interlocking assembly (82) comprises a fourth crank arm (821) fixedly installed on an isolation shaft (93), and a limiting shaft (822) extends out of the fourth crank arm (821); the limiting shaft (822) and the lock plate (83) are both positioned below the program lock connecting plate (84).
6. The operating system of a vacuum circuit breaker according to claim 5, wherein: the program locking plate (84) comprises a mounting plate (841), an upper limiting plate (842) is formed at the upper end of the mounting plate (841), and a lower limiting plate (843) is formed at the lower end of the mounting plate (841); the limiting shaft (822) is located below the upper limiting plate (842), and the locking plate (83) is located below the lower limiting plate (843).
7. The operating system of a vacuum circuit breaker according to claim 6, wherein: the mounting plate (841) is mounted on the mounting frame (51) in a manner of sliding up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121646740.4U CN217387009U (en) | 2021-07-20 | 2021-07-20 | Operating system of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121646740.4U CN217387009U (en) | 2021-07-20 | 2021-07-20 | Operating system of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217387009U true CN217387009U (en) | 2022-09-06 |
Family
ID=83082958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121646740.4U Active CN217387009U (en) | 2021-07-20 | 2021-07-20 | Operating system of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217387009U (en) |
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2021
- 2021-07-20 CN CN202121646740.4U patent/CN217387009U/en active Active
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