CN217061903U - CT8 operating mechanism of vacuum circuit breaker of transformer substation - Google Patents
CT8 operating mechanism of vacuum circuit breaker of transformer substation Download PDFInfo
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- CN217061903U CN217061903U CN202122721670.0U CN202122721670U CN217061903U CN 217061903 U CN217061903 U CN 217061903U CN 202122721670 U CN202122721670 U CN 202122721670U CN 217061903 U CN217061903 U CN 217061903U
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- circuit breaker
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Abstract
The utility model provides a vacuum circuit breaker's of transformer substation CT8 operating mechanism, include: the vacuum circuit breaker comprises a vertical supporting plate of the vacuum circuit breaker, wherein a transverse supporting plate is connected to the vertical supporting plate, and the bottom end of the transverse supporting plate is fixedly connected with a brake-separating electromagnet; a spring is sleeved on an iron core of the opening electromagnet, the end part of the iron core is connected with a guide plate, and the guide plate is fixedly arranged on the iron core through a fixing bolt; one end of the guide plate is fixedly connected with a brake separating guide rod, the end part of the brake separating guide rod is connected with an insulating brake separating rod, and the insulating brake separating rod extends into a brake separating elastic sheet of the CT8 spring operating mechanism. The CT8 operating mechanism is simple, efficient, economical and practical, two overcurrent releases of the operating mechanism are taken down, the opening electromagnet is moved upwards, and the iron core of the opening electromagnet directly acts on the opening elastic sheet of the mechanism, so that the loss of the transmission force of the iron core is reduced, and the opening is more reliable.
Description
Technical Field
The utility model relates to a vacuum circuit breaker technical field of transformer substation especially relates to a vacuum circuit breaker's of transformer substation CT8 operating mechanism.
Background
The vacuum circuit breaker CT8 spring operating mechanism is operated by four types of opening electromagnet, overcurrent release, undervoltage release and manual opening button, the opening electromagnet in the CT8 spring operating mechanism in the Guozhou area needs to drive iron cores in two overcurrent releases to transmit to an opening spring, the overcurrent release is powered by a current transformer, a circuit of the overcurrent release is closed by the action of a split overcurrent relay contact, an action value is set by the overcurrent relay, the existing transformer substation protection device is under microcomputer protection, 35kV line protection is three-section overcurrent protection without inverse time limit function, and the overcurrent release is not used.
As the operation time becomes longer, the operating mechanism may have the situations of mechanism jam, corrosion, control loop insulation reduction and the like, which leads to insufficient electromagnetic force of the driving iron core of the opening electromagnet, and in the process of driving the iron core in the overcurrent release, the power loss is large, the opening bent plate is not enough in stress, which easily leads to the failure of opening.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vacuum circuit breaker's of transformer substation CT8 operating mechanism, the mechanism has reduced the loss of iron core transmission power, makes the separating brake more reliable.
The method comprises the following steps: the vacuum circuit breaker comprises a vertical supporting plate of the vacuum circuit breaker, wherein a transverse supporting plate is connected to the vertical supporting plate, and the bottom end of the transverse supporting plate is fixedly connected with a brake-separating electromagnet; a spring is sleeved on an iron core of the opening electromagnet, the end part of the iron core is connected with a guide plate, and the guide plate is fixedly arranged on the iron core through a fixing bolt;
one end of the guide plate is fixedly connected with a brake separating guide rod, the end part of the brake separating guide rod is connected with an insulating brake separating rod, and the insulating brake separating rod extends into a brake separating elastic sheet of the CT8 spring operating mechanism.
Preferably, the transverse supporting plate is provided with a vertical plate and a transverse plate which are connected with each other;
the vertical plate is fixedly connected with the vertical supporting plate through a bolt.
The top of the opening electromagnet is provided with a connecting end surface, and the connecting end surface is provided with a threaded hole;
the connecting end face is attached to the transverse plate and fixedly connected with the transverse plate through a connecting bolt penetrating through the threaded hole.
A plurality of rubber gaskets are arranged between the connecting end surface and the transverse plate.
Preferably, the vertical support plate is provided with an opening, and the guide plate passes through the opening of the vertical support plate and extends into the CT8 spring operating mechanism.
Preferably, the vertical support plate is bolted to the CT8 spring actuator.
According to the technical scheme, the utility model has the advantages of it is following:
the utility model discloses a simple high efficiency of vacuum circuit breaker's of transformer substation CT8 operating mechanism, economical and practical overflows two of operating mechanism and takes off the release, and the separating brake electro-magnet shifts up, and the iron core direct action of separating brake electro-magnet has reduced the loss of iron core transmission power like this in the separating brake shell fragment of mechanism, makes the separating brake more reliable.
The utility model discloses a transformer substation's vacuum circuit breaker's CT8 operating mechanism can avoid the circumstances such as the mechanism bite as far as possible, corrosion, the insulating reduction of control circuit, leads to the unable separating brake condition that the separating brake bent plate atress is not enough to lead to, has ensured grid fault's quick isolation, reduces the power failure area, has improved the service reliability.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a CT8 operating mechanism of a substation vacuum circuit breaker.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The utility model provides a vacuum circuit breaker's of transformer substation CT8 operating mechanism, as shown in fig. 1, the utility model discloses optimize transformation to vacuum circuit breaker CT8 operating mechanism transmission system, overflow the release with two of operating mechanism and take off, move on the separating brake electro-magnet 3, the iron core 4 direct action of separating brake electro-magnet 3 is in the separating brake shell fragment of mechanism, has reduced the loss of iron core 4 transmission power like this, makes the separating brake more reliable.
The method specifically comprises the following steps: the vacuum circuit breaker comprises a vertical supporting plate 1 of the vacuum circuit breaker, wherein a transverse supporting plate 2 is connected to the vertical supporting plate 1, and a brake-separating electromagnet 3 is fixedly connected to the bottom end of the transverse supporting plate 2; a spring 5 is sleeved on an iron core 4 of the opening electromagnet 3, the end part of the iron core 4 is connected with a guide plate 6, and the guide plate 6 is fixedly arranged on the iron core 4 through a fixing bolt 7; one end of the guide plate 6 is fixedly connected with a brake separating guide rod 8, the end part of the brake separating guide rod 8 is connected with an insulating brake separating rod 9, and the insulating brake separating rod extends into a brake separating elastic sheet of the CT8 spring 5 operating mechanism.
In the utility model, the transverse supporting plate 2 is provided with a vertical plate and a transverse plate which are connected with each other; the vertical plate is fixedly connected with the vertical supporting plate 1 through a bolt 10.
The top of the opening electromagnet 3 is provided with a connecting end surface, and the connecting end surface is provided with a threaded hole; the connecting end face is attached to the transverse plate and fixedly connected with the transverse plate through the connecting bolt 11 penetrating through the threaded hole. A plurality of rubber gaskets 12 are arranged between the connecting end face and the transverse plate, so that the connecting stability can be ensured.
The vertical supporting plate 1 is provided with an opening, and the guide plate 6 penetrates through the opening of the vertical supporting plate 1 and extends into the CT8 spring 5 operating mechanism. The vertical support plate 1 is fixed to the CT8 spring 5 actuator by means of bolts.
The utility model discloses a simple high efficiency of vacuum circuit breaker's of transformer substation CT8 operating mechanism, economical and practical overflows two of operating mechanism and takes off the release, moves on the separating brake electro-magnet 3, and the iron core 4 direct action of separating brake electro-magnet 3 has reduced the loss of iron core 4 transmission power like this in the separating brake shell fragment of mechanism, makes the separating brake more reliable.
The utility model discloses a transformer substation's vacuum circuit breaker's CT8 operating mechanism can avoid the circumstances such as the mechanism bite as far as possible, corrosion, the insulating reduction of control circuit, leads to the unable separating brake condition that the separating brake bent plate atress is not enough to lead to, has ensured grid fault's quick isolation, reduces the power failure area, has improved the service reliability.
The CT8 operating mechanism of the substation vacuum circuit breaker of the present invention, when it is said that a certain element or layer is "on" another element or layer, and is "connected" or "coupled" to another element or layer, it may be directly on another element or layer, directly connected or coupled to said another element or layer, and there may also be intermediate elements or layers. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The CT8 actuator of the substation vacuum circuit breaker of the present invention may use spatially relative terms for ease of description, such as "under …", "below", "lower", "above", "upper", etc., to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The term used in the CT8 operating mechanism of the vacuum circuit breaker of the substation of the present invention is only used for describing the specific embodiment, and is not intended to limit the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A CT8 operating mechanism of a transformer substation vacuum circuit breaker is characterized by comprising: the vacuum circuit breaker comprises a vertical supporting plate of the vacuum circuit breaker, wherein a transverse supporting plate is connected to the vertical supporting plate, and the bottom end of the transverse supporting plate is fixedly connected with a brake-separating electromagnet; a spring is sleeved on an iron core of the opening electromagnet, the end part of the iron core is connected with a guide plate, and the guide plate is fixedly arranged on the iron core through a fixing bolt;
one end of the guide plate is fixedly connected with a brake separating guide rod, the end part of the brake separating guide rod is connected with an insulating brake separating rod, and the insulating brake separating rod extends into a brake separating elastic sheet of the CT8 spring operating mechanism.
2. The CT8 actuator of a substation vacuum circuit breaker of claim 1,
the transverse supporting plate is provided with a vertical plate and a transverse plate which are connected with each other;
the vertical plate is fixedly connected with the vertical supporting plate through a bolt.
3. The CT8 actuator of a substation vacuum circuit breaker of claim 2,
the top of the opening electromagnet is provided with a connecting end face, and the connecting end face is provided with a threaded hole;
the connecting end face is attached to the transverse plate and fixedly connected with the transverse plate through a connecting bolt penetrating through the threaded hole.
4. The CT8 actuator of a substation vacuum circuit breaker of claim 3,
a plurality of rubber gaskets are arranged between the connecting end face and the transverse plate.
5. The CT8 actuator of a substation vacuum circuit breaker of claim 1,
the vertical supporting plate is provided with an opening, and the guide plate penetrates through the opening of the vertical supporting plate and extends into the CT8 spring operating mechanism.
6. The CT8 actuator of a substation vacuum circuit breaker of claim 1,
the vertical support plate is bolted to the CT8 spring actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122721670.0U CN217061903U (en) | 2021-11-08 | 2021-11-08 | CT8 operating mechanism of vacuum circuit breaker of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122721670.0U CN217061903U (en) | 2021-11-08 | 2021-11-08 | CT8 operating mechanism of vacuum circuit breaker of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061903U true CN217061903U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122721670.0U Active CN217061903U (en) | 2021-11-08 | 2021-11-08 | CT8 operating mechanism of vacuum circuit breaker of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061903U (en) |
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2021
- 2021-11-08 CN CN202122721670.0U patent/CN217061903U/en active Active
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