CN218274418U - Circuit breaker auxiliary switch actuating mechanism - Google Patents
Circuit breaker auxiliary switch actuating mechanism Download PDFInfo
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- CN218274418U CN218274418U CN202222605141.9U CN202222605141U CN218274418U CN 218274418 U CN218274418 U CN 218274418U CN 202222605141 U CN202222605141 U CN 202222605141U CN 218274418 U CN218274418 U CN 218274418U
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- circuit breaker
- auxiliary switch
- switch
- connecting rod
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Abstract
The utility model discloses a circuit breaker auxiliary switch actuating mechanism belongs to and aerifys cabinet equipment technical field, and this circuit breaker auxiliary switch actuating mechanism includes: a frame; the connecting rod assembly is arranged on the rack; one end of the main shaft transmission part is connected with the connecting rod component, and the other end of the main shaft transmission part is connected with a main shaft of the circuit breaker; the auxiliary switch is arranged on the rack, a switch shaft is arranged on the auxiliary switch and connected with the connecting rod assembly, and the auxiliary switch is used for feeding back the opening and closing conditions of the circuit breaker through an electric signal; the manual operation shaft is arranged on the rack and connected with the connecting rod assembly; the interlocking plate can be movably arranged on the rack up and down, is in transmission connection with the manual operation shaft, and is provided with a switch position indicating part which is used for feeding back the opening and closing conditions of the circuit breaker through the position of the interlocking plate.
Description
Technical Field
The utility model belongs to the technical field of aerify cabinet equipment technique and specifically relates to a circuit breaker auxiliary switch actuating mechanism is related to.
Background
The air inflation cabinet is indoor alternating-current high-voltage gas insulation metal closed switch equipment, a vacuum circuit breaker is arranged in the air inflation cabinet, and the on-off of a circuit is controlled through the opening and closing of the vacuum circuit breaker. Because the gas-filled cabinet has a compact structure and air insulation requirements, the switching-on and switching-off conditions of the circuit breaker are often difficult to observe in the use process of the gas-filled cabinet, and inconvenience is brought to detection and maintenance of engineering personnel. When emergency opening is needed, the working state of the circuit breaker is difficult to judge and manual opening is performed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an solve one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a circuit breaker auxiliary switch actuating mechanism can reflect the separating brake and the combined floodgate condition of circuit breaker in real time, and can control the circuit breaker and carry out urgent manual separating brake.
According to the utility model discloses circuit breaker auxiliary switch actuating mechanism, include: a frame; the connecting rod assembly is arranged on the rack; one end of the main shaft transmission part is connected with the connecting rod component, and the other end of the main shaft transmission part is connected with the main shaft of the circuit breaker; the auxiliary switch is arranged on the rack, a switch shaft is arranged on the auxiliary switch and connected with the connecting rod assembly, and the auxiliary switch is used for feeding back the opening and closing conditions of the circuit breaker through an electric signal; the manual operation shaft is arranged on the rack and connected with the connecting rod assembly; the interlocking plate can be movably arranged on the rack up and down, is in transmission connection with the manual operation shaft, and is provided with a switch position indicating part which is used for feeding back the opening and closing conditions of the circuit breaker through the position of the interlocking plate.
According to the utility model discloses circuit breaker auxiliary switch actuating mechanism has following beneficial effect at least: the signal of telecommunication that auxiliary switch sent is changed in real time in the separating brake and the switch-on switching of circuit breaker, through with the external component that can discern the signal of telecommunication of auxiliary switch, can learn the separating brake and the combined floodgate condition of circuit breaker promptly through the state of observing the signal of telecommunication component, for example be external display screen with auxiliary switch to with the display screen setting on aerifing cabinet body surface, then the engineer can detect the separating brake and the combined floodgate condition of circuit breaker through the display screen. The position of the switch position indicating part is changed in real time through switching of opening and closing of the circuit breaker, and engineering personnel can judge the opening and closing conditions of the circuit breaker by observing the position of the switch position indicating part.
According to some embodiments of the utility model, link assembly includes first connecting rod and second connecting rod, and first connecting rod and second connecting rod are articulated, and the one end and the manually operation hub connection of second connecting rod are kept away from to first connecting rod, and the one end and the switch shaft connection of first connecting rod are kept away from to the second connecting rod, and the main shaft driving medium is connected with the middle section of first connecting rod.
According to the utility model discloses a some embodiments, the main shaft driving medium includes main shaft drive connecting lever and main shaft drive connecting rod, and the main shaft drive connecting lever is connected with the circuit breaker main shaft, and the one end that the circuit breaker main shaft was kept away from to the main shaft drive connecting lever is connected with the upper end of main shaft drive connecting rod, and the lower extreme of main shaft drive connecting rod is connected with the middle section of first connecting rod.
According to the utility model discloses a some embodiments, the one end that first connecting rod was kept away from to the manually operation axle is provided with the hexagonal and connects, and the hexagonal connects and is used for external hexagonal spanner in order to drive urgent manual separating brake.
According to the utility model discloses a cross slot has been seted up on the interlocking board, and the epaxial operation axle transmission turning arm that is provided with of manual operation, the one end movably of operation axle transmission turning arm sets up in the cross slot.
According to some embodiments of the utility model, interlocking plate lower extreme is provided with switch position locking portion, and switch position locking portion is arranged in being connected with the isolator in the gas insulated switchgear.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of an auxiliary switch driving mechanism of a circuit breaker according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a front view of FIG. 1;
fig. 4 is a sectional view of fig. 3.
Reference numerals:
a frame 100;
a connecting rod assembly 200; a first link 210; a second link 220;
a spindle drive 300; a spindle drive crank arm 310; a spindle drive link 320;
an auxiliary switch 400; a switch shaft 410;
a manual operation shaft 500; a hex fitting 510; an operating shaft transmission crank arm 520;
an interlock plate 600; a switch position indicator 610; a transverse slot 620; the switch position locking part 630.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
A circuit breaker auxiliary switch drive mechanism according to an embodiment of the present invention is described with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the utility model discloses circuit breaker auxiliary switch actuating mechanism of embodiment includes: a frame 100; the connecting rod assembly 200, the connecting rod assembly 200 is set on the framework 100; one end of the main shaft transmission member 300 is connected with the connecting rod assembly 200, and the other end of the main shaft transmission member 300 is connected with a main shaft of the circuit breaker; the auxiliary switch 400 is arranged on the rack 100, a switch shaft 410 is arranged on the auxiliary switch 400, the switch shaft 410 is connected with the connecting rod assembly 200, and the auxiliary switch 400 is used for feeding back the opening and closing conditions of the circuit breaker through an electric signal; a manual operation shaft 500, the manual operation shaft 500 being provided on the frame 100, the manual operation shaft 500 being connected to the link assembly 200; the interlocking plate 600 is movably arranged on the rack 100 up and down, the interlocking plate 600 is in transmission connection with the manual operation shaft 500, a switch position indicating part 610 is arranged on the interlocking plate 600, and the switch position indicating part 610 is used for feeding back the opening and closing conditions of the circuit breaker through the self position.
As shown in fig. 1 to 4, the main shaft transmission connecting lever 310 is connected to a main shaft of the circuit breaker, so that when the main shaft of the circuit breaker rotates within a certain angle to actuate the circuit breaker to open or close, the left end of the main shaft transmission connecting lever 310 swings up and down, the left end of the main shaft transmission connecting lever 310 is hinged to the upper end of the main shaft transmission connecting lever 320, the lower end of the main shaft transmission connecting lever 320 is hinged to the middle section of the first connecting lever 210, the right end of the first connecting lever 210 is connected to the manual operating shaft 500, the manual operating shaft 500 is rotatably disposed on the rack 100, so that the main shaft transmission connecting lever 320 movably drives the left end of the first connecting lever 210 to swing, the left end of the first connecting lever 210 is hinged to the right end of the second connecting lever 220, the left end of the second connecting lever 220 is connected to the switch shaft 410, the swing of the first connecting lever 210 drives the second connecting lever 220 to swing, thereby actuating the switch shaft 410 to rotate, and the switch shaft 410 to change an electrical signal sent by the auxiliary switch 400.
From this, the signal of telecommunication that auxiliary switch 400 sent is changed in real time in the separating brake and the switching-on switching of circuit breaker, through the external component that can discern the signal of telecommunication with auxiliary switch 400, can learn the separating brake and the closing condition of circuit breaker through observing the state of signal of telecommunication component promptly, for example be external display screen with auxiliary switch 400 to with the display screen setting at aerify cabinet body surface, then the engineer can detect the separating brake and the closing condition of circuit breaker through the display screen.
The swing of the first link 210 drives the manual operation shaft 500 to rotate, the manual operation shaft 500 is provided with an operation shaft transmission crank arm 520, the interlocking plate 600 is provided with a transverse groove 620, and the left end of the operation shaft transmission crank arm 520 is movably arranged in the transverse groove 620. Accordingly, the left end of the operating shaft transmission lever 520 is swung by the rotation of the manual operating shaft 500, and the left end of the operating shaft transmission lever 520 slides in the lateral groove 620, thereby driving the interlock plate 600 to slide up and down, and changing the position of the switch position indicator 610 on the interlock plate 600. Therefore, the position of the switch position indicating part 610 is changed in real time when the breaker is switched between opening and closing, and an engineer can judge the opening and closing conditions of the breaker by observing the position of the switch position indicating part 610.
In some embodiments of the present invention, the end of the manual operating shaft 500 away from the first connecting rod 210 is provided with a hexagonal joint 510, and the hexagonal joint 510 is used for externally connecting a hexagonal wrench to drive the emergency manual opening. As shown in fig. 2, a handle is installed at the hexagonal joint 510, the handle is rotated to drive the manual operation shaft 500 to rotate, and the rotation of the manual operation shaft is transmitted through the first connecting rod 210, the main shaft transmission connecting rod 320 and the main shaft transmission connecting lever 310 to drive the main shaft of the circuit breaker to rotate to complete the opening operation. Therefore, the manual operation shaft 500 is rotated to manually open the breaker in an emergency, and safety accidents are avoided.
In some embodiments of the present invention, the lower end of the interlocking plate 600 is provided with a switch position locking portion 630, and the switch position locking portion 630 is used for connecting with an isolation switch in the gas-filled cabinet. As shown in fig. 2, the switch position locking portion 630 is connected to an operating shaft of the gas-filled disconnecting switch, and when the interlocking plate 600 moves downward, the switch position locking portion 630 locks the operating shaft of the disconnecting switch, and the disconnecting switch cannot move at this time, so that the opening and closing of the circuit breaker can drive and control the disconnecting switch to be in a locked and movable state.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. A circuit breaker auxiliary switch drive mechanism, comprising:
a frame (100);
a linkage assembly (200), the linkage assembly (200) being disposed on the frame (100);
one end of the main shaft transmission piece (300) is connected with the connecting rod assembly (200), and the other end of the main shaft transmission piece (300) is connected with a main shaft of the circuit breaker;
the auxiliary switch (400), the auxiliary switch (400) is arranged on the rack (100), a switch shaft (410) is arranged on the auxiliary switch (400), the switch shaft (410) is connected with the connecting rod assembly (200), and the auxiliary switch (400) is used for feeding back the opening and closing conditions of the circuit breaker through an electric signal;
a manual operating shaft (500), wherein the manual operating shaft (500) is arranged on the frame (100), and the manual operating shaft (500) is connected with the connecting rod assembly (200);
the interlocking plate (600), interlocking plate (600) can set up with moving about from top to bottom on frame (100), interlocking plate (600) with manual operation axle (500) transmission is connected, be provided with switch position indicating part (610) on interlocking plate (600), switch position indicating part (610) are used for through self position feedback circuit breaker divide-shut brake condition.
2. The auxiliary switch driving mechanism of circuit breaker according to claim 1, wherein the link assembly (200) comprises a first link (210) and a second link (220), the first link (210) and the second link (220) are hinged, one end of the first link (210) far away from the second link (220) is connected with the manual operation shaft (500), one end of the second link (220) far away from the first link (210) is connected with the switch shaft (410), and the main shaft transmission member (300) is connected with the middle section of the first link (210).
3. The auxiliary switch driving mechanism of circuit breaker according to claim 2, wherein the spindle transmission member (300) comprises a spindle transmission connecting lever (310) and a spindle transmission connecting rod (320), the spindle transmission connecting lever (310) is connected with the main shaft of the circuit breaker, one end of the spindle transmission connecting lever (310) far away from the main shaft of the circuit breaker is connected with the upper end of the spindle transmission connecting rod (320), and the lower end of the spindle transmission connecting rod (320) is connected with the middle section of the first connecting rod (210).
4. The circuit breaker auxiliary switch driving mechanism according to claim 2, wherein an end of the manual operating shaft (500) far away from the first link (210) is provided with a hexagonal joint (510), and the hexagonal joint (510) is used for externally connecting a hexagonal wrench to drive emergency manual opening.
5. The auxiliary switch driving mechanism of circuit breaker according to claim 1, wherein the interlocking plate (600) is formed with a transverse groove (620), the manual operating shaft (500) is provided with an operating shaft transmission crank arm (520), and one end of the operating shaft transmission crank arm (520) is movably disposed in the transverse groove (620).
6. The auxiliary switch driving mechanism of circuit breaker according to claim 1, wherein the lower end of the interlocking plate (600) is provided with a switch position locking portion (630), and the switch position locking portion (630) is used for connecting with a disconnecting switch in an air-filled cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605141.9U CN218274418U (en) | 2022-09-29 | 2022-09-29 | Circuit breaker auxiliary switch actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605141.9U CN218274418U (en) | 2022-09-29 | 2022-09-29 | Circuit breaker auxiliary switch actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218274418U true CN218274418U (en) | 2023-01-10 |
Family
ID=84747849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222605141.9U Active CN218274418U (en) | 2022-09-29 | 2022-09-29 | Circuit breaker auxiliary switch actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218274418U (en) |
-
2022
- 2022-09-29 CN CN202222605141.9U patent/CN218274418U/en active Active
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