CN216902653U - High-speed rail main circuit breaker isolating switch - Google Patents
High-speed rail main circuit breaker isolating switch Download PDFInfo
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- CN216902653U CN216902653U CN202123370019.XU CN202123370019U CN216902653U CN 216902653 U CN216902653 U CN 216902653U CN 202123370019 U CN202123370019 U CN 202123370019U CN 216902653 U CN216902653 U CN 216902653U
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Abstract
The utility model discloses a high-speed rail main circuit breaker isolating switch, which comprises a shell with an accommodating groove, wherein a central shaft is arranged on the shell in a sliding manner, at least part of the central shaft can extend out of the shell, an iron core is fixedly arranged on the central shaft, and the iron core is arranged in the accommodating groove; the inner wall end side of the accommodating groove is provided with a coil I and a coil II which are arranged in a symmetrical structure, and a magnetic core arranged on the inner wall of the shell is arranged between the coil I and the coil II. The utility model has the following beneficial effects: the design is ingenious, when the coil I is electrified, the iron core is attracted in place to trigger the high-speed rail main breaker to be opened, and then the coil I is powered off, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the magnetic core, so that the power supply stability of the high-speed rail during operation is ensured; when a high-speed rail arrives at a station or needs to be repaired, after the coil II is electrified, the iron core can be attracted in place in the opposite direction to trigger the coil II to be powered off after the main breaker of the high-speed rail is closed, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the permanent magnet, so that the safety of the high-speed rail when the high-speed rail does not run is ensured.
Description
Technical Field
The utility model relates to the technical field of electrical components, in particular to a disconnecting switch of a high-speed rail main circuit breaker.
Background
The high-speed rail power supply mode in China mostly adopts a contact net, and is a power transmission line which is erected along a railway line and supplies power to an electric locomotive, and current relied on by the running of a high-speed rail train is transmitted through the contact net at the upper end of the locomotive. However, once the contact system is powered off or the contact between the pantograph and the contact system is poor, the power supply of the train is affected, and particularly, the timeliness and the effectiveness of charging are very important along with the continuous improvement of the speed of the high-speed rail.
At present, a pneumatic actuating mechanism is mostly adopted in a transmission mechanism, but the pneumatic actuating mechanism utilizes compressed air to push an adjusting valve to act, so that the stability is poor, the pressure grade is not high, and the total output force is not too large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a high-speed rail main circuit breaker isolating switch.
The purpose of the utility model is realized by the following technical scheme:
a high-speed rail main circuit breaker isolating switch comprises a shell with a containing groove, wherein a central shaft is arranged on the shell in a sliding mode, at least part of the central shaft can extend out of the shell, an iron core is fixedly arranged on the central shaft, and the iron core is arranged in the containing groove; the inner wall end side of the accommodating groove is provided with a coil I and a coil II which are arranged in a symmetrical structure, and a magnetic core arranged on the inner wall of the shell is arranged between the coil I and the coil II.
Preferably, gaskets are arranged between the coil I and the coil II and the shell, and at least part of the iron core can be tightly attached to the gaskets.
Preferably, a wire harness connector is arranged on the shell, one end of the wire harness connector is connected with the coil I and the coil II, and the other end of the wire harness connector is connected with an external wire harness.
Preferably, the shell comprises a shell I and a shell II, and the shell I is connected with the shell II through a bolt.
Preferably, the central axis of the housing, the central axis and the iron core are coaxial.
The utility model has the following beneficial effects: the design is ingenious, when the coil I is electrified, the iron core is attracted in place to trigger the high-speed rail main breaker to be opened, and then the coil I is powered off, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the magnetic core, so that the power supply stability of the high-speed rail during operation is ensured; when a high-speed rail arrives at a station or needs to be repaired, after the coil II is electrified, the iron core can be attracted in place in the opposite direction to trigger the coil II to be powered off after the main breaker of the high-speed rail is closed, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the permanent magnet, so that the safety of the high-speed rail when the high-speed rail does not run is ensured. This structure easy operation, the maintenance of being convenient for change greatly improves work efficiency, and in addition, this switch realizes high integration, and the rational layout of being convenient for reduces the space and occupies.
Drawings
The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:
FIG. 1: the structure of the preferred embodiment of the utility model is schematically shown.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present invention discloses a disconnecting switch for a main circuit breaker of a high-speed rail, which includes a housing 1 having an accommodating groove 11, wherein a central shaft 2 is slidably disposed on the housing 1, the central shaft 2 can at least partially extend out of the housing 1, an iron core 3 is fixedly disposed on the central shaft 2, and the iron core 3 is disposed in the accommodating groove 11; in the above, the central axes of the housing 1, the central axis 2 and the iron core 3 are coaxial. The inner wall end side of the accommodating groove 11 is provided with a coil I4 and a coil II 5 which are arranged in a symmetrical structure, and a magnetic core 6 arranged on the inner wall of the shell 1 is arranged between the coil I4 and the coil II 5.
The structure is ingenious in design, when the coil I is electrified, the iron core is attracted in place to trigger the high-speed rail main breaker to be opened, and then the coil I is powered off, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the magnetic core, so that the power supply stability of the high-speed rail during operation is ensured; when a high-speed rail arrives at a station or needs to be repaired, after the coil II is electrified, the iron core can be attracted in place in the opposite direction to trigger the coil II to be powered off after the main breaker of the high-speed rail is closed, and meanwhile, the iron core is kept at a fixed position by means of the magnetic force of the permanent magnet, so that the safety of the high-speed rail when the high-speed rail does not run is ensured. This structure easy operation is convenient for change the maintenance, greatly improves work efficiency, and in addition, this switch realizes high integration, and the rational layout of being convenient for reduces the space and occupies.
And gaskets 7 are arranged between the coils I4 and II 5 and the shell 1, and at least part of the iron core 3 can be tightly attached to the gaskets 7. The design of the gasket 7 can lead the iron core 3 to be in hard contact with the shell 1, so that the damage of the iron core can be caused, and the service life of the gasket can be prolonged.
A wire harness connector 8 is arranged on the shell 1, one end of the wire harness connector 8 is connected with the coil I4 and the coil II 5, and the other end of the wire harness connector is connected with an external wire harness. In addition, the shell 1 comprises a shell I12 and a shell II 13, and the shell I12 and the shell II 13 are connected through a bolt 14. Of course, the housing 1 may be integrally formed, and all of them belong to the protection scope of the present invention.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. High-speed railway owner circuit breaker isolator, including casing (1) that has storage tank (11), its characterized in that: the shell (1) is provided with a central shaft (2) in a sliding manner, at least part of the central shaft (2) can extend out of the shell (1), an iron core (3) is fixedly arranged on the central shaft (2), and the iron core (3) is arranged in the accommodating groove (11); the inner wall of storage tank (11) distolateral be equipped with coil I (4) and coil II (5) that are the symmetrical structure setting, be equipped with between coil I (4) and coil II (5) and set up magnetic core (6) on casing (1) inner wall.
2. The high-speed rail main breaker disconnect switch of claim 1, wherein: and a gasket (7) is arranged between the coil I (4) and the coil II (5) and the shell (1), and at least part of the iron core (3) can be tightly attached to the gasket (7).
3. The high-speed rail main breaker disconnect switch of claim 1, wherein: a wire harness connector (8) is arranged on the shell (1), one end of the wire harness connector (8) is connected with the coil I (4) and the coil II (5), and the other end of the wire harness connector is connected with an external wire harness.
4. The high-speed rail main breaker disconnect switch of claim 1, wherein: the shell (1) comprises a shell I (12) and a shell II (13), and the shell I (12) is connected with the shell II (13) through a bolt (14).
5. The high-speed rail main breaker disconnect switch of claim 1, wherein: the central axes of the shell (1), the central axis (2) and the iron core (3) are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370019.XU CN216902653U (en) | 2021-12-29 | 2021-12-29 | High-speed rail main circuit breaker isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370019.XU CN216902653U (en) | 2021-12-29 | 2021-12-29 | High-speed rail main circuit breaker isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902653U true CN216902653U (en) | 2022-07-05 |
Family
ID=82208170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123370019.XU Active CN216902653U (en) | 2021-12-29 | 2021-12-29 | High-speed rail main circuit breaker isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902653U (en) |
-
2021
- 2021-12-29 CN CN202123370019.XU patent/CN216902653U/en active Active
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