CN209962941U - Three-station spring operating mechanism capable of realizing isolation and grounding - Google Patents
Three-station spring operating mechanism capable of realizing isolation and grounding Download PDFInfo
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- CN209962941U CN209962941U CN201921220115.6U CN201921220115U CN209962941U CN 209962941 U CN209962941 U CN 209962941U CN 201921220115 U CN201921220115 U CN 201921220115U CN 209962941 U CN209962941 U CN 209962941U
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Abstract
The utility model discloses a three-station spring operating mechanism capable of realizing isolation and grounding, which comprises an isolation switching-on mechanism; a grounding switch-on mechanism; the operating handle is used for operating the isolation switching-on mechanism and the grounding switching-on mechanism; the receiving output mechanism is used for carrying out isolation switching-off work and isolation switching-on work according to the motion of the isolation switching-on mechanism and carrying out grounding switching-off work and grounding switching-on work according to the active state of the grounding switching-on mechanism; this can realize three station spring operating device of isolation and ground connection can improve manual control operating stability, ensures maintainer's personal safety.
Description
Technical Field
The utility model relates to a can realize three station spring operating device of isolation and ground connection.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, and also high-voltage chamber and low-voltage chamber switch cabinets, high-voltage buses, such as power plants, and the like, and low-frequency load reducers for protecting main equipment.
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet and the low-voltage switch cabinet can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.
Because of the wide application of the switch cabinet in the power system, people mainly have higher and higher requirements for the switch cabinet and personal safety guarantee, the requirement of preventing the switch cabinet from entering the live interval by mistake is particularly important, and the switch cabinet is particularly important for the isolation operation of the switch.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can improve manual control operating stability, ensure that the three station spring operating device of isolation and ground connection can be realized of maintainer's personal safety.
In order to solve the above problem, the utility model adopts the following technical scheme:
a three-position spring operating mechanism capable of realizing isolation and grounding comprises
An isolation switching-on mechanism;
a grounding switch-on mechanism;
the operating handle is used for operating the isolation switching-on mechanism and the grounding switching-on mechanism;
and the receiving output mechanism is used for carrying out isolation switching-off work and isolation switching-on work according to the motion of the isolation switching-on mechanism and carrying out grounding switching-off work and grounding switching-on work according to the active state of the grounding switching-on mechanism.
Preferably, the device further comprises an installation bottom plate and an installation panel, and the isolation closing mechanism and the grounding closing mechanism are both installed between the isolation closing mechanism and the grounding closing mechanism.
Preferably, the isolation switching-on mechanism comprises an isolation shaft, an isolation pressure spring arm plate, an isolation output arm plate, a first compression spring and a first microswitch, wherein the isolation shaft, the isolation pressure spring arm plate, the isolation output arm plate, the first compression spring and the first microswitch are linked.
Preferably, the grounding closing mechanism comprises a grounding shaft, a grounding pressure spring arm plate, a second compression spring, a grounding output arm plate and a second microswitch, and the grounding shaft, the grounding pressure spring arm plate, the second compression spring, the grounding output arm plate and the second microswitch are linked.
Preferably, the isolation output arm plate and the grounding output arm plate are linked with the receiving output mechanism.
Preferably, the receiving and outputting mechanism comprises an input cam, an indicating shaft and a push plate, and the input cam, the indicating shaft and the push plate are linked.
The working mode is as follows:
isolation switching-on: the isolating shaft is rotated clockwise by the operating handle, so that the isolating pressure spring arm plate pushes the isolating output arm plate to compress the spring to pass through a dead point, the isolating output arm plate also pushes the input cam to rotate clockwise to enable the indicating shaft to rotate clockwise, the indicating plate completely blocks the grounding shaft after the indicating plate is in place, and the push plate on the indicating shaft can push the microswitch to switch when the closing is completed.
The isolation switching-off is opposite to the isolation switching-on.
Grounding and closing: the grounding shaft is rotated anticlockwise by the operating handle, so that the grounding pressure spring arm plate compression spring passes through a dead point and the grounding output arm plate rotates anticlockwise at the same time, and the grounding output arm plate pushes the input cam to rotate anticlockwise until the indication plate on the indication shaft rotates to completely block the isolation shaft. When the grounding switch-on is completed, the push plate on the indicating shaft can push the microswitch to switch. And the grounding switching-off is opposite to the grounding switching-on.
The utility model has the advantages that: the device is provided with an isolation switching-on mechanism, a grounding switching-on mechanism and a receiving output mechanism; the stability of manual control operation can be improved, and the personal safety of maintainers is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious 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 to obtain other drawings without creative efforts.
Fig. 1 is the utility model relates to a can realize isolation and ground connection's three station spring operating device's structural schematic.
In the figure:
1. isolating the shaft; 2. a first compression spring; 3. an input cam; 4. an indicator shaft; 5. pushing the plate; 6. a first microswitch; 7. an isolated output arm plate; 8. isolating the pressure spring arm plate; 9. a ground shaft; 10. a grounding pressure spring arm plate; 11. a grounded output arm plate; 12. a second compression spring; 13. a second microswitch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a conventional manner such as bolt fixing, pin shaft connecting, adhesive fixing, or rivet fixing, which is commonly used in the prior art, and therefore, the detailed description thereof will not be provided in the examples.
Examples
As shown in fig. 1, a three-position spring operating mechanism capable of realizing isolation and grounding comprises an isolation closing mechanism; a grounding switch-on mechanism; the operating handle is used for operating the isolation switching-on mechanism and the grounding switching-on mechanism; and the receiving output mechanism is used for carrying out isolation switching-off work and isolation switching-on work according to the motion of the isolation switching-on mechanism and carrying out grounding switching-off work and grounding switching-on work according to the active state of the grounding switching-on mechanism.
In this embodiment, the device further includes an installation bottom plate and an installation panel, and the isolation closing mechanism and the grounding closing mechanism are both installed between the isolation closing mechanism and the grounding closing mechanism.
In this embodiment, the isolation switching-on mechanism includes an isolation shaft 1, an isolation pressure spring arm plate 8, an isolation output arm plate 7, a first compression spring 2 and a first microswitch 6, and the isolation shaft 1, the isolation pressure spring arm plate 8, the isolation output arm plate 7, the first compression spring 2 and the first microswitch 6 are linked.
In this embodiment, the grounding closing mechanism includes a grounding shaft 9, a grounding pressure spring arm plate 10, a second compression spring 12, a grounding output arm plate 11, and a second microswitch 13, and the grounding shaft 9, the grounding pressure spring arm plate 10, the second compression spring 12, the grounding output arm plate 11, and the second microswitch 13 are linked.
In this embodiment, the isolation output arm plate 7 and the grounding output arm plate 11 are linked with the receiving output mechanism.
In this embodiment, the receiving output mechanism includes an input cam 3, an indicating shaft 4 and a push plate 5, and the input cam 3, the indicating shaft 4 and the push plate 5 are linked.
The working mode is as follows:
isolation switching-on: the isolating shaft is rotated clockwise by the operating handle, so that the isolating pressure spring arm plate pushes the isolating output arm plate to compress the spring to pass through a dead point, the isolating output arm plate also pushes the input cam to rotate clockwise to enable the indicating shaft to rotate clockwise, the indicating plate completely blocks the grounding shaft after the indicating plate is in place, and the push plate on the indicating shaft can push the microswitch to switch when the closing is completed.
The isolation switching-off is opposite to the isolation switching-on.
Grounding and closing: the grounding shaft is rotated anticlockwise by the operating handle, so that the grounding pressure spring arm plate compression spring passes through a dead point and the grounding output arm plate rotates anticlockwise at the same time, and the grounding output arm plate pushes the input cam to rotate anticlockwise until the indication plate on the indication shaft rotates to completely block the isolation shaft. When the grounding switch-on is completed, the push plate on the indicating shaft can push the microswitch to switch. And the grounding switching-off is opposite to the grounding switching-on.
The beneficial effect of this embodiment does: the device is provided with an isolation switching-on mechanism, a grounding switching-on mechanism and a receiving output mechanism; the stability of manual control operation can be improved, and the personal safety of maintainers is ensured.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.
Claims (6)
1. The utility model provides a can realize three station spring operating device of isolation and ground connection which characterized in that: comprises that
An isolation switching-on mechanism;
a grounding switch-on mechanism;
the operating handle is used for operating the isolation switching-on mechanism and the grounding switching-on mechanism; and
and the receiving output mechanism is used for carrying out isolation switching-off work and isolation switching-on work according to the motion of the isolation switching-on mechanism and carrying out grounding switching-off work and grounding switching-on work according to the active state of the grounding switching-on mechanism.
2. The three-position spring operating mechanism capable of achieving isolation and grounding as claimed in claim 1, wherein: the isolation switching-on mechanism and the grounding switching-on mechanism are both arranged between the isolation switching-on mechanism and the grounding switching-on mechanism.
3. The three-position spring operating mechanism capable of achieving isolation and grounding as claimed in claim 2, wherein: the isolation switching-on mechanism comprises an isolation shaft, an isolation pressure spring arm plate, an isolation output arm plate, a first compression spring and a first microswitch, wherein the isolation shaft, the isolation pressure spring arm plate, the isolation output arm plate, the first compression spring and the first microswitch are linked.
4. The three-position spring operating mechanism capable of achieving isolation and grounding as claimed in claim 3, wherein: the grounding switch-on mechanism comprises a grounding shaft, a grounding pressure spring arm plate, a second compression spring, a grounding output arm plate and a second microswitch, wherein the grounding shaft, the grounding pressure spring arm plate, the second compression spring, the grounding output arm plate and the second microswitch are linked.
5. The three-position spring operating mechanism capable of achieving isolation and grounding as claimed in claim 4, wherein: the isolation output arm plate and the grounding output arm plate are linked with the bearing output mechanism.
6. The three-position spring operating mechanism capable of achieving isolation and grounding as claimed in claim 5, wherein: the receiving output mechanism comprises an input cam, an indicating shaft and a push plate, wherein the input cam, the indicating shaft and the push plate are linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220115.6U CN209962941U (en) | 2019-07-30 | 2019-07-30 | Three-station spring operating mechanism capable of realizing isolation and grounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220115.6U CN209962941U (en) | 2019-07-30 | 2019-07-30 | Three-station spring operating mechanism capable of realizing isolation and grounding |
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| CN209962941U true CN209962941U (en) | 2020-01-17 |
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| CN201921220115.6U Active CN209962941U (en) | 2019-07-30 | 2019-07-30 | Three-station spring operating mechanism capable of realizing isolation and grounding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117457431A (en) * | 2023-09-21 | 2024-01-26 | 中国长江电力股份有限公司 | Neutral point safety measure device and method for large-sized hydroelectric generating set |
-
2019
- 2019-07-30 CN CN201921220115.6U patent/CN209962941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117457431A (en) * | 2023-09-21 | 2024-01-26 | 中国长江电力股份有限公司 | Neutral point safety measure device and method for large-sized hydroelectric generating set |
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