CN210245398U - Outdoor AC high-voltage vacuum circuit breaker - Google Patents
Outdoor AC high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN210245398U CN210245398U CN201921123982.8U CN201921123982U CN210245398U CN 210245398 U CN210245398 U CN 210245398U CN 201921123982 U CN201921123982 U CN 201921123982U CN 210245398 U CN210245398 U CN 210245398U
- Authority
- CN
- China
- Prior art keywords
- fixed
- circuit breaker
- plate
- mechanism box
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses an outdoor AC high-voltage vacuum circuit breaker, which comprises a circuit breaker body and an isolating switch arranged on one side of the circuit breaker body, wherein the circuit breaker body comprises a mechanism box, an operating mechanism arranged in the mechanism box and a pole arranged on the upper part of the mechanism box; the isolating switch comprises an installation frame fixed on the side part of the mechanism box, a rotating shaft which is rotatably installed on the installation frame and used for driving the contact knife to act, and an operating handle fixed at one end of the rotating shaft; a limiting column is fixed at the end part of a main shaft of the operating mechanism, a through hole is arranged at the position, corresponding to the limiting column, on a side end plate of the mechanism box, the end part of the limiting column extends out of the through hole when the operating mechanism is in a closing state, and the end part of the limiting column retracts into the mechanism box when the operating mechanism is in an opening state; still including preventing maloperation interlocking device, the utility model discloses an outdoor interchange high voltage vacuum circuit breaker's rational in infrastructure, prevent maloperation interlocking device structure and simplify, the stability in use is good.
Description
Technical Field
The utility model relates to an outdoor interchange high voltage vacuum circuit breaker belongs to vacuum circuit breaker structural design field.
Background
The existing outdoor alternating-current high-voltage vacuum circuit breaker is basically provided with an anti-misoperation mechanical interlocking mechanism, and the setting of the anti-misoperation mechanical interlocking mechanism enables the operations of a circuit breaker body and an isolating switch to be carried out in a certain sequence, so that misoperation behaviors are avoided. The anti-misoperation mechanical interlocking mechanism in the existing outdoor alternating-current high-voltage vacuum circuit breaker has more transmission links, complex structure and jamming problem during use.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing an outdoor interchange high voltage vacuum circuit breaker, it is few that it constitutes spare part quantity to prevent maloperation interlocking device on it, and the structure is simplified.
Realize the utility model discloses the technical scheme of purpose is:
an outdoor alternating-current high-voltage vacuum circuit breaker comprises a circuit breaker body and a disconnecting switch arranged on one side of the circuit breaker body, wherein the circuit breaker body comprises a mechanism box, an operating mechanism arranged in the mechanism box and a pole arranged on the upper part of the mechanism box;
the isolating switch comprises an installation frame fixed on the side part of the mechanism box, a rotating shaft which is rotatably installed on the installation frame and used for driving the contact knife to act, and an operating handle fixed at one end of the rotating shaft;
a limiting column is fixed at the end part of a main shaft of the operating mechanism, a through hole is formed in a side end plate of the mechanism box, the position of the side end plate corresponds to the limiting column, the end part of the limiting column extends out of the through hole when the operating mechanism is in a closing state, and the end part of the limiting column retracts into the mechanism box when the operating mechanism is in an opening state;
still including preventing maloperation interlocking device, prevent maloperation interlocking device includes connecting plate, connecting rod, limiting plate and setting element, the connecting plate is fixed in the pivot, the one end of connecting rod with the tip of connecting plate passes through connecting pin rotatable coupling, the limiting plate is fixed the other end of connecting rod, just be equipped with the bar hole that sets up along its length direction on the limiting plate, the setting element is fixed on the side end plate of mechanism case, and wear to establish the bar is downthehole, the pivot passes through when rotating the connecting plate reaches the connecting rod drives the limiting plate removes, through the limiting plate shelters from or skew perforates, operating handle is when separating brake position, the limiting plate shelters from perforate, when operating handle is in the closing brake position, the limiting plate is skew perforate.
In the technical scheme, the positioning piece comprises a positioning stud fixed on the side end plate of the mechanism box and a positioning nut screwed on the positioning stud, and gaskets are sleeved on two sides of the limiting plate on the positioning stud.
Among the above-mentioned technical scheme, the connecting rod includes first connecting rod and second connecting rod, the one end of first connecting rod with the connecting plate is connected, the other end of first connecting rod is equipped with the screw hole, the one end of second connecting rod be equipped with screw hole complex screw thread portion, screw thread portion with the screw hole cooperation will first connecting rod with the second connecting rod is connected, the other end of second connecting rod with limiting plate welded fastening the spiro union has lock nut in screw thread portion.
In the technical scheme, an installation support is arranged on one side of the mechanism box, which is back to the isolating switch, and electronic zero-sequence voltage sensors corresponding to the number of the poles are fixed on the installation support;
the mounting bracket comprises a mounting plate and two fixing plates, the two fixing plates are respectively fixed at two ends of the mounting plate and fixedly connected with the mechanism box body, a cover plate is fixed on the lower portion of the mounting plate, a wiring channel is formed between the cover plate and the mounting plate, an opening is formed in the end portion of the wiring channel, the electronic zero-sequence voltage sensor is fixed on the mounting plate, and a wire which is provided with the electronic zero-sequence voltage sensor on the mounting plate penetrates into a threading hole of the wiring channel.
The utility model discloses has positive effect: when the outdoor AC high-voltage vacuum circuit breaker is in a switching-on state, the end part of the limit post on the operating mechanism extends out of the perforation to block the movement of the limit plate, so that the operating handle can not rotate to limit the isolating switch at the switching-on position, namely, the isolating switch can not be switched off when the circuit breaker body is in the switching-on state, and when the circuit breaker body is in a switching-off state, the end part of the limit post on the operating mechanism can retract into the mechanism box, so that the limit plate can not be blocked by the limit post, therefore, the rotating shaft can be driven to rotate by rotating the operating handle to further drive the connecting plate to rotate, the limit plate is further driven to move towards the perforation direction by the connecting rod, thereby switching-off the isolating switch, namely, the isolating switch can be switched off when the circuit breaker body is in the switching-off state, and the purpose of preventing misoperation, the utility model provides a prevent maloperation interlocking device's structure simplification, it is few to constitute spare part quantity, and the transmission link is few.
Drawings
Fig. 1 is a perspective view of a medium outdoor ac high voltage vacuum circuit breaker of the present invention;
fig. 2 is a front view of the outdoor ac high voltage vacuum circuit breaker of fig. 1 with the operating handle removed;
fig. 3 is a schematic structural diagram of the electronic zero-sequence voltage sensor of the present invention when being matched with the mounting bracket;
fig. 4 is the structure schematic diagram of the utility model discloses during well connecting rod, limiting plate connect.
The reference symbols shown in the figures are: 1-a circuit breaker body; 11-mechanism box; 12-pole column; 13-side end plate; 14-perforating; 2-an isolating switch; 21-a mounting frame; 22-moving contact knife; 23-a rotating shaft; 24-an operating handle; 3-a limiting column; 4-connecting plates; 5-a connecting rod; 51-a first link; 52-a second link; 53-a threaded portion; 6-a limiting plate; 61-strip-shaped holes; 7-a positioning member; 71-positioning studs; 72-a positioning nut; 8-locking a nut; 9-mounting a bracket; 91-mounting a plate; 92-a fixed plate; 93-a cover plate; 94-opening; 95-threading holes; 10-electronic zero sequence voltage sensor.
Detailed Description
The specific structure of the present invention is described below with reference to the attached drawings:
an outdoor AC high-voltage vacuum circuit breaker, as shown in FIG. 1, FIG. 2 and FIG. 3, comprises a circuit breaker body 1 and a disconnecting switch 2 arranged on one side of the circuit breaker body 1, wherein the circuit breaker body 1 comprises a mechanism box 11, an operating mechanism arranged in the mechanism box 11 and a pole 12 arranged on the upper part of the mechanism box 11; the isolating switch 2 comprises a mounting frame 21 fixed on the side part of the mechanism box 11, a rotating shaft 23 which is rotatably mounted on the mounting frame 21 and used for driving the contact knife 22 to move, and an operating handle 24 fixed at one end of the rotating shaft 23; a limiting column 3 is fixed at the end part of a main shaft of the operating mechanism, a through hole 14 is arranged at a position, corresponding to the limiting column 3, on a side end plate 13 of the mechanism box 11, the end part of the limiting column 3 extends out of the through hole 14 when the operating mechanism is in a closing state, and the end part of the limiting column 3 retracts into the mechanism box 11 when the operating mechanism is in an opening state; the anti-misoperation interlocking mechanism comprises a connecting plate 4, a connecting rod 5, a limiting plate 6 and a positioning part 7, wherein the connecting plate 4 is fixed on the rotating shaft 23, one end of the connecting rod 5 is rotatably connected with the end part of the connecting plate 4 through a connecting pin, the limiting plate 6 is fixed at the other end of the connecting rod 5, a strip-shaped hole 61 arranged along the length direction of the limiting plate 6 is arranged on the limiting plate 6, the positioning part 7 is fixed on a side end plate 13 of the mechanism box 11 and is arranged in the strip-shaped hole 61 in a penetrating manner, the rotating shaft 23 drives the limiting plate 6 to move through the connecting plate 4 and the connecting rod 5 when rotating, the limiting plate 6 shields or deviates the perforation 14, the operating handle 24 is at a brake separating position, the limiting plate 6 shields the perforation 14, and the operating handle 24 is at a brake closing position, the plate of restriction 6 is offset from the perforation 14. By adopting the outdoor AC high-voltage vacuum circuit breaker of the utility model, when the circuit breaker body 1 is in a closing state, the end part of the limit post 3 on the operating mechanism extends out of the perforation 14 to block the movement of the limit plate 6, so that the operating handle 24 can not rotate to limit the isolating switch 2 at the closing position, namely, the isolating switch 2 can not be opened when the circuit breaker body 1 is in the closing state, and when the circuit breaker body 1 is in an opening state, the end part of the limit post 3 on which the main shaft of the operating mechanism moves can retract into the mechanism box 11, so that the limit plate 6 can not be blocked by the limit post 3, thus, the rotating shaft 23 can be driven to rotate by rotating the operating handle 24 to drive the connecting plate 4 to rotate, and the connecting rod 5 further drives the limit plate 6 to move towards the perforation 14 direction to open the isolating switch 2, the disconnecting switch 2 can be opened when the circuit breaker body 1 is in an opening state, so that the purpose of preventing misoperation is achieved.
In this embodiment, the positioning element 7 includes a positioning stud 71 fixed on the end plate 13 on the side of the mechanism box 11 and a positioning nut 72 screwed on the positioning stud 71, gaskets are sleeved on two sides of the limiting plate 6 on the positioning stud 71, and the positioning element 7 plays a limiting role in the movement of the limiting plate 6.
In this embodiment, the connecting rod 5 includes a first connecting rod 51 and a second connecting rod 52, one end of the first connecting rod 51 is connected to the connecting plate 4, the other end of the first connecting rod 51 is provided with a threaded hole, one end of the second connecting rod 52 is provided with a threaded portion 53 matched with the threaded hole, the threaded portion 53 is matched with the threaded hole to connect the first connecting rod 51 to the second connecting rod 52, the other end of the second connecting rod 52 is welded to the limiting plate 6, the threaded portion 53 is screwed with a locking nut 8, the length of the connecting rod 5 can be adjusted through the threaded fit of the threaded hole and the threaded portion 53, and the locking nut 8 is screwed tightly to lock the connecting rod 51 after the adjusting to a proper position.
As a further improvement of this embodiment, a mounting bracket 9 is disposed on a side of the mechanism box 11 facing away from the isolating switch 2, specifically, referring to fig. 3, electronic zero-sequence voltage sensors 10 corresponding to the number of the poles 12 are fixed on the mounting bracket 9, and the electronic zero-sequence voltage sensors 10 are connected to a controller in the mechanism box 11 through wires; the mounting bracket 9 includes mounting panel 91 and two fixed plates 92, and two fixed plates 92 pass through the screw fixation respectively at mounting panel 91 both ends, and with 11 bodies of mechanism case are fixed and link to each other, mounting panel 91 lower part is fixed with apron 93, apron 93 with form between the mounting panel 91 and walk the line passageway, just walk the line passageway tip and be equipped with opening 94, electronic type zero sequence voltage sensor 10 is fixed on mounting panel 91, the wire that has on mounting panel 91 supplies electronic type zero sequence voltage sensor 10 penetrates walk the through wires hole 95 of line passageway, the wire gets into by through wires hole 95 promptly and walks in the line passageway to draw forth by the opening 94 of walking the line passageway tip.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (4)
1. An outdoor alternating-current high-voltage vacuum circuit breaker comprises a circuit breaker body (1) and a disconnecting switch (2) arranged on one side of the circuit breaker body (1), wherein the circuit breaker body (1) comprises a mechanism box (11), an operating mechanism arranged in the mechanism box (11) and a pole (12) arranged on the upper part of the mechanism box (11);
the isolating switch (2) comprises an installation frame (21) fixed on the side part of the mechanism box (11), a rotating shaft (23) which is rotatably installed on the installation frame (21) and used for driving the contact knife (22) to act, and an operating handle (24) fixed at one end of the rotating shaft (23);
the method is characterized in that:
a limiting column (3) is fixed at the end part of a main shaft of the operating mechanism, a through hole (14) is formed in a position, corresponding to the limiting column (3), on a side end plate (13) of the mechanism box (11), the end part of the limiting column (3) extends out of the through hole (14) when the operating mechanism is in a closing state, and the end part of the limiting column (3) retracts into the mechanism box (11) when the operating mechanism is in an opening state;
still include and prevent maloperation interlocking device, prevent maloperation interlocking device includes connecting plate (4), connecting rod (5), limiting plate (6) and setting element (7), connecting plate (4) are fixed in pivot (23), the one end of connecting rod (5) with the tip of connecting plate (4) passes through connecting pin rotatable coupling, limiting plate (6) are fixed the other end of connecting rod (5), just be equipped with on limiting plate (6) along bar hole (61) that its length direction set up, setting element (7) are fixed on side end plate (13) of mechanism case (11), and wear to establish in bar hole (61), pivot (23) are passed through when rotating connecting plate (4) and connecting rod (5) drive limiting plate (6) remove, through limiting plate (6) shelter from or deviate perforation (14), when the operating handle (24) is located at a switch-off position, the limiting plate (6) shields the through hole (14), and when the operating handle (24) is located at a switch-on position, the limiting plate (6) deviates from the through hole (14).
2. An outdoor AC high voltage vacuum circuit breaker according to claim 1, characterized in that said positioning member (7) comprises a positioning stud (71) fixed on the side end plate (13) of said mechanism box (11) and a positioning nut (72) screwed on said positioning stud (71), and said positioning stud (71) is sleeved with a gasket on both sides of said position-limiting plate (6).
3. An outdoor AC high voltage vacuum circuit breaker according to claim 2, characterized in that the link (5) comprises a first link (51) and a second link (52), one end of the first link (51) is connected with the connecting plate (4), the other end of the first link (51) is provided with a threaded hole, one end of the second link (52) is provided with a threaded portion (53) matched with the threaded hole, the threaded portion (53) is matched with the threaded hole to connect the first link (51) with the second link (52), the other end of the second link (52) is welded and fixed with the limiting plate (6), and a lock nut (8) is screwed on the threaded portion (53).
4. An outdoor alternating current high voltage vacuum circuit breaker according to claim 1, characterized in that a mounting bracket (9) is arranged on the mechanism box (11) at a side facing away from the isolating switch (2), and electronic zero sequence voltage sensors (10) corresponding to the number of the poles (12) are fixed on the mounting bracket (9);
installing support (9) include mounting panel (91) and two fixed plates (92), and two fixed plates (92) are fixed respectively at mounting panel (91) both ends, and with mechanism case (11) body is fixed continuous, mounting panel (91) lower part is fixed with apron (93), apron (93) with form between mounting panel (91) and walk the line passageway, and walk line passageway tip and be equipped with opening (94), electronic type zero sequence voltage sensor (10) are fixed on mounting panel (91), the wire that has on mounting panel (91) and supply electronic type zero sequence voltage sensor (10) penetrates walk through wires hole (95) of line passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123982.8U CN210245398U (en) | 2019-07-17 | 2019-07-17 | Outdoor AC high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123982.8U CN210245398U (en) | 2019-07-17 | 2019-07-17 | Outdoor AC high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210245398U true CN210245398U (en) | 2020-04-03 |
Family
ID=69991559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921123982.8U Active CN210245398U (en) | 2019-07-17 | 2019-07-17 | Outdoor AC high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210245398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966436A (en) * | 2023-01-04 | 2023-04-14 | 北京昊创瑞通电气设备股份有限公司 | Integrated pole with voltage monitoring device and pole-mounted circuit breaker using same |
-
2019
- 2019-07-17 CN CN201921123982.8U patent/CN210245398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966436A (en) * | 2023-01-04 | 2023-04-14 | 北京昊创瑞通电气设备股份有限公司 | Integrated pole with voltage monitoring device and pole-mounted circuit breaker using same |
| CN115966436B (en) * | 2023-01-04 | 2023-09-19 | 北京昊创瑞通电气设备股份有限公司 | Integrated pole with voltage monitoring device and pole-mounted circuit breaker using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206148380U (en) | Electric leakage circuit breaker that can positive and negatively work a telephone switchboard | |
| CN210245398U (en) | Outdoor AC high-voltage vacuum circuit breaker | |
| CN110993420A (en) | Safety interlocking device of switch cabinet | |
| CN104319163B (en) | A kind of vacuum circuit breaker | |
| CN208939368U (en) | A kind of double-bus high-tension switch cabinet | |
| CN103199614B (en) | Two-way alternating current inlet wire and connection power distribution control method | |
| CN208189518U (en) | A kind of composite post fuse switch | |
| CN204270998U (en) | Be applied to the combination circuit breaker equipment in intelligent grid | |
| CN109286140A (en) | A kind of double-bus high-tension switch cabinet | |
| CN201465880U (en) | Vacuum feed switch with bistable double-coil permanent magnet mechanism | |
| CN113708224B (en) | High-efficient current-limiting distribution switch that distribution terminal used | |
| CN112736700A (en) | Switch board convenient to fixed business turn over line | |
| CN211376515U (en) | Safety interlocking device of switch cabinet | |
| CN212625441U (en) | Trolley circuit breaker propulsion and locking mechanism assembly | |
| CN211351326U (en) | Cubical switchboard convenient to dismouting is overhauld | |
| CN203013650U (en) | Breaker with various modules replaceable by automatic tripping | |
| CN107564755A (en) | A kind of extending type switch | |
| CN201623368U (en) | Rear door interlocked switchgear cabinet | |
| CN207587664U (en) | The miniature circuit breaker of multipole linkage | |
| CN206864345U (en) | Anti-misoperation ring main unit | |
| CN200969292Y (en) | Switch cabinet with stepped interlocking device | |
| CN217215662U (en) | Auxiliary appliance for replacing isolating switch | |
| CN108922817A (en) | Earthed system is isolated in traction rectifier transformer | |
| CN110957171A (en) | Safety interlocking device of front lower door of switch cabinet | |
| CN215497695U (en) | Full-automatic control system of high tension switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |