CN215731386U - Isolation grounding interlocking mechanism - Google Patents
Isolation grounding interlocking mechanism Download PDFInfo
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- CN215731386U CN215731386U CN202122311570.0U CN202122311570U CN215731386U CN 215731386 U CN215731386 U CN 215731386U CN 202122311570 U CN202122311570 U CN 202122311570U CN 215731386 U CN215731386 U CN 215731386U
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- baffle
- isolation
- operation shaft
- grounding
- main shaft
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Abstract
The utility model provides an isolation grounding interlocking mechanism, which comprises: the device comprises a mounting frame, an isolation operation shaft, a grounding operation shaft, a main shaft, a supporting plate, a shifting plate, a first baffle, a second baffle, a first pressure rod and a second pressure rod; the grounding operation shaft is connected with the main shaft through a first connecting rod and drives the main shaft to rotate, so that the second pressure rod pushes the second baffle to slide downwards, and the radial blocking of the second baffle and the end part of the isolation operation shaft is realized; the isolation operation shaft is connected with the main shaft through the second connecting rod and drives the main shaft to rotate, so that the first pressing rod pushes the first baffle to slide downwards, and the first baffle is radially blocked by the end part of the grounding operation shaft. The grounding switch-on and the isolation switch-on are mutually restrained through the main shaft, so that the isolation operation shaft is prevented from being operated in a grounding switch-on state and the grounding operation shaft is prevented from being operated in an isolation switch-on state, the structure is simple, and the operation is convenient; the backup pad constitutes an integral module with the mounting bracket, is convenient for carry out the dismouting with the switch board.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to an isolation grounding interlocking mechanism.
Background
The isolation switch in the power distribution cabinet plays the roles of communicating a high-voltage incoming line and isolating and reliably grounding. It has three working positions of operation: the isolating switch is communicated with a high-voltage incoming line, namely, the switch-on operation is used for electrifying the load equipment; the isolating switch is isolated, namely the isolating switch is disconnected with the high-voltage incoming line and used for power failure of load equipment; the isolating switch is grounded, so that the load equipment is reliably grounded, and the safety of the load side and the personal safety of workers are guaranteed.
The single-shaft operation of the isolating switch is easy to cause misoperation, and an isolating operation mechanism is required to be configured for ensuring the safety and reliability of the three-station operation of the isolating switch; at present, in the prior art, an isolation operation mechanism is large in size, complex in structure, not easy to disassemble and assemble and high in cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defects of complex structure, difficult disassembly and assembly and high cost of the isolating switch in the prior art, thereby providing an isolating and grounding interlocking mechanism.
In order to solve the above technical problem, the isolation grounding interlock mechanism provided by the present invention comprises:
a mounting frame;
the isolation operation shaft, the grounding operation shaft and the main shaft are rotatably arranged on the mounting frame;
the supporting plate is connected to the mounting frame and provided with a first baffle matched with the isolation operation shaft and a second baffle matched with the grounding operation shaft, and the first baffle and the second baffle can slide up and down;
the shifting plate is arranged on the main shaft and is provided with a first pressure lever and a second pressure lever; the first pressure lever is suitable for being pressed against the first baffle, and the second pressure lever is suitable for being pressed against the second baffle;
the grounding operation shaft is connected with the main shaft through a first connecting rod and is suitable for driving the main shaft to rotate, so that the second pressure lever pushes the second baffle to slide downwards, and the radial blocking of the second baffle and the end part of the isolation operation shaft is realized;
the isolation operation shaft is connected with the main shaft through a second connecting rod and is suitable for driving the main shaft to rotate, so that the first pressing rod pushes the first baffle to slide downwards, and the first baffle and the end part of the grounding operation shaft are radially blocked.
Furthermore, an interlocking sliding plate capable of sliding up and down is arranged on the supporting plate and is positioned between the first baffle plate and the second baffle plate;
the first baffle is provided with a first notch facing the interlocking sliding plate, the second baffle is provided with a second notch facing the interlocking sliding plate, and the interlocking sliding plate is erected on the inner bottom surfaces of the first notch and the second notch.
Further, still include:
the first deflector rod is connected to the grounding operating shaft, the first deflector rod is arranged in parallel with the grounding operating shaft, and the first deflector rod is suitable for driving the main shaft to rotate through the first connecting rod;
and the second deflector rod is connected to the isolation operation shaft, is arranged in parallel with the isolation operation shaft and is suitable for driving the main shaft to rotate through the second connecting rod.
Furthermore, a first arc-shaped groove and a second arc-shaped groove are formed in the mounting frame, a part of the first deflector rod extends into the first arc-shaped groove and swings along the track of the first arc-shaped groove, and a part of the second deflector rod extends into the second arc-shaped groove and swings along the track of the second arc-shaped groove.
Further, still include:
the telescopic rod is positioned between the first driving lever and the second driving lever and is provided with a first loop bar and a second loop bar which are coaxially sleeved; the first sleeve rod is rotationally connected to the first driving lever, and the second sleeve rod is rotationally connected to the second driving lever;
and the tension spring is sleeved on the telescopic rod, one end of the tension spring is connected to the first loop bar, and the other end of the tension spring is connected to the second loop bar.
Furthermore, the main shaft is provided with a fixedly connected triangular plate, and the first connecting rod and the second connecting rod are connected to the triangular plate.
Further, still include:
a first elastic member having one end connected to the support plate and the other end connected to the first shutter to provide a resilient force for releasing the first shutter from blocking the ground operating shaft;
and one end of the second elastic piece is connected with the supporting plate, and the other end of the second elastic piece is connected with the second baffle plate to provide resilience force for relieving the second baffle plate from blocking the isolation operation shaft.
Furthermore, the support plate is provided with a first guide post and a second guide post which are vertically arranged, and the first guide post and the second guide post are respectively provided with at least two guide posts which are arranged at intervals;
the first baffle is provided with a first sliding groove which is sleeved on the first guide column, and the second baffle is provided with a second sliding groove which is sleeved on the second guide column.
Further, the mounting bracket includes: the first mounting panel and the second mounting panel that the interval set up around, first mounting panel with connect through the spliced pole between the second mounting panel.
The technical scheme of the utility model has the following advantages:
1. according to the isolation grounding interlocking mechanism, in the grounding and closing process, the grounding operation shaft drives the main shaft to rotate through the first connecting rod, and then the second baffle is controlled to radially block the isolation operation shaft; in the process of isolation switching-on, the isolation operation shaft drives the main shaft to rotate through the second connecting rod, and then the first baffle is controlled to radially block the grounding operation shaft; the grounding switch-on and the isolation switch-on are mutually restrained through the main shaft, so that the isolation operation shaft is prevented from operating in the grounding switch-on state and the grounding operation shaft is prevented from operating in the isolation switch-on state, the structure is simple, and the operation is convenient; the backup pad is connected on the mounting bracket, forms a whole module, only needs to carry out the dismouting through mounting bracket and switch board, installs and removes the convenience.
2. The isolation grounding interlocking mechanism provided by the utility model can realize radial blocking of the grounding operation shaft and the isolation operation shaft by downward movement of the interlocking sliding plate, and prevent the grounding operation shaft and the isolation operation shaft from being operated under a load state.
3. According to the isolation grounding interlocking mechanism provided by the utility model, the telescopic rod and the tension spring are arranged in a matched manner, and the tension spring can enable the isolation operation shaft and the grounding operation shaft to automatically reset after the isolation operation shaft and the grounding operation shaft are rotated.
4. According to the isolation grounding interlocking mechanism provided by the utility model, the first arc-shaped groove and the second arc-shaped groove are arranged, so that the first driving lever and the second driving lever can be rotated and limited, the switching-on in place is prompted, and the overshoot operation is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a first schematic structural diagram of an interlocking mechanism in isolation opening and grounding opening states.
Fig. 2 is a schematic structural diagram of the interlocking mechanism in the isolation opening and grounding opening states.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a schematic view of the connection relationship between the support frame and the first and second baffles.
Fig. 5 is a first schematic structural diagram of the interlocking mechanism in an isolation and closing state.
Fig. 6 is a second schematic structural diagram of the interlocking mechanism in the isolation and closing state.
Fig. 7 is a front view of fig. 5.
Fig. 8 is a first schematic structural diagram of the interlocking mechanism in a grounding and closing state.
Fig. 9 is a second schematic structural diagram of the interlocking mechanism in the grounding and closing state.
Fig. 10 is a front view of fig. 8.
Description of reference numerals:
1. isolating the operating shaft; 2. a ground operating shaft; 3. a support plate; 4. a first baffle plate; 5. a second baffle; 6. Dialing a plate; 7. a first pressure lever; 8. a second compression bar; 9. a first mounting plate; 10. a second mounting plate; 11. a main shaft; 12. a first shift lever; 13. a second deflector rod; 14. a telescopic rod; 15. a tension spring; 16. a set square; 17. A first link; 18. a second link; 19. a first guide post; 20. a second guide post; 21. a first elastic member; 22. a second elastic member; 23. interlocking the sliding plates; 24. and a third guide post.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The isolation grounding interlocking mechanism provided by the embodiment comprises: mounting bracket, isolation operating axis 1, ground connection operating axis 2, main shaft 11, backup pad 3, first baffle 4, second baffle 5, dial board 6, first depression bar 7 and second depression bar 8.
As shown in fig. 1, 2 and 3, the mounting bracket has a first mounting plate 9 and a second mounting plate 10 which are arranged at a front-rear interval, the first mounting plate 9 and the second mounting plate 10 are arranged in parallel and are fixedly connected through a connecting column, and a spacing space is formed between the first mounting plate 9 and the second mounting plate 10. The grounding operation shaft 2, the isolating operation shaft 1 and the main shaft 11 are rotatably connected between the first mounting plate 9 and the second mounting plate 10, and the grounding operation shaft 2, the isolating operation shaft 1 and the main shaft 11 partially extend out of the second mounting plate 10; the grounding operation shaft 2 and the isolation operation shaft 1 are distributed at intervals from left to right, and the main shaft 11 is arranged between the grounding operation shaft 2 and the isolation operation shaft 1 and is positioned above the two operation shafts.
As shown in fig. 1 and 2, the grounding operation shaft 2 is connected to a first shift lever 12 through an extending arm, and the first shift lever 12 is parallel to the grounding operation shaft 2; the first deflector rod 12 is positioned between the first mounting plate 9 and the second mounting plate 10, a first arc-shaped groove is formed in the first mounting plate 9, and a part of the first deflector rod 12 extends out of the first arc-shaped groove. The isolation operation shaft 1 is connected with a second driving lever 13 through an extending arm, and the second driving lever 13 is parallel to the isolation operation shaft 1; the second shift lever 13 is located between the first mounting plate 9 and the second mounting plate 10, a second arc-shaped groove is formed in the first mounting plate 9, and a part of the second shift lever 13 extends out of the second arc-shaped groove. The first driving lever 12 and the second driving lever 13 are connected through a telescopic rod 14, and the telescopic rod 14 is provided with a first loop bar and a second loop bar which are coaxially sleeved; the first sleeve rod is rotationally connected to the first driving lever 12, and the second sleeve rod is rotationally connected to the second driving lever 13; the telescopic link 14 is sleeved with a tension spring 15, one end of the tension spring 15 is connected to the first loop bar, and the other end of the tension spring 15 is connected to the second loop bar.
As shown in fig. 2, a triangular plate 16 is fixedly connected to one end of the main shaft 11 close to the first mounting plate 9, the triangular plate 16 is provided with a first connecting rod 17 and a second connecting rod 18 which are oppositely arranged left and right, and the first connecting rod 17 and the second connecting rod 18 are both provided with a long hole; the first shift lever 12 extends partially into the elongated hole of the first link 17, and the second shift lever 13 extends partially into the elongated hole of the second link 18.
As shown in fig. 1, 2, and 4, a dial plate 6 is fixedly connected to one end of the main shaft 11 close to the second mounting plate 10, a first press rod 7 and a second press rod 8 which are vertically arranged are arranged on one side of the dial plate 6 away from the first mounting plate 9, and the first press rod 7 and the second press rod 8 are arranged in bilateral symmetry. The supporting plate 3 is of a U-shaped structure and is buckled and connected to one side, away from the first mounting plate 9, of the second mounting plate 10; a first baffle 4 and a second baffle 5 which are vertically arranged in a sliding manner are arranged on one side of the supporting plate 3 facing the second mounting plate 10, and the first baffle 4 and the second baffle 5 are arranged at a left-right interval; the supporting plate 3 is provided with a first guide column 19 and a second guide column 20 which are vertically arranged, the first guide column 19 is provided with two guide columns which are arranged oppositely up and down, and the second guide column 20 is provided with two guide columns which are arranged oppositely up and down; the first baffle 4 is sleeved on the first guide column 19 in a sliding manner through a first sliding groove, and the second baffle 5 is sleeved on the second guide column 20 in a sliding manner through a second sliding groove; the first baffle 4 is connected with the top end of the supporting plate 3 through a first elastic piece 21, the second baffle 5 is connected with the top end of the supporting plate 3 through a second elastic piece 22, and the first elastic piece 21 and the second elastic piece 22 are both springs. The outer side surfaces of the first baffle 4 and the second baffle 5 are provided with arc-shaped surfaces which are sunken inwards, the first baffle 4 is suitable for being blocked in the circumferential direction of the grounding operation shaft 2 through the arc-shaped surfaces, and the second baffle 5 is suitable for being blocked in the circumferential direction of the isolation operation shaft 1 through the arc-shaped surfaces.
As shown in fig. 4, a first notch is formed in the inner side surface of the first baffle 4, a second notch is formed in the inner side surface of the second baffle 5, and both the first notch and the second notch are rectangular; the interlocking sliding plate 23 is arranged between the first baffle 4 and the second baffle 5, a third guide column 24 which is opposite to the upper and lower parts is arranged on the support plate 3, and the interlocking sliding plate 23 is sleeved on the third guide column 24 in a sliding manner; all have the outside protruding extension on two sides about interlocking slide 23, left side extension sets up on the bottom surface of first breach, right side extension sets up on the bottom surface of second breach, interlocking slide 23 can drive first baffle 4 and second baffle 5 are the lapse simultaneously.
As shown in fig. 1, 2 and 3, the isolation is in the open state and the ground is in the open state. When the circuit breaker is switched on, the interlocking slide plate 23 is driven to move downwards, the first baffle plate 4 and the second baffle plate 5 slide downwards passively, and therefore the grounding operation shaft 2 and the isolation operation shaft 1 are clamped and blocked simultaneously, and the grounding operation shaft 2 and the isolation operation shaft 1 cannot be rotated.
As shown in fig. 5, 6, and 7, the isolation and closing state is established. When the isolation operation shaft 1 is switched on in a rotating mode, the isolation operation shaft 1 drives the second driving lever 13 to rotate, the second driving lever 13 enables the main shaft 11 to rotate through the second connecting rod 18, the first pressing rod 7 swings downwards, and then the first pressing rod 7 pushes the first baffle 4 to clamp the grounding operation shaft 2 in the circumferential direction.
As shown in fig. 8, 9, and 10, the state is a ground closing state. When the grounding operation shaft 2 is rotationally switched on, the grounding operation shaft 2 drives the first driving lever 12 to rotate, and the first driving lever 12 enables the main shaft 11 to rotate through the first connecting rod 17, so that the second pressing rod 8 swings downwards, and the second pressing rod 8 further pushes the second baffle 5 to circumferentially block the isolation operation shaft 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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 obvious variations or modifications therefrom are within the scope of the utility model.
Claims (9)
1. An isolation grounding interlock, comprising:
a mounting frame;
the isolation operation shaft (1) and the grounding operation shaft (2) are oppositely arranged on the left and right, and the main shaft (11) is positioned between the isolation operation shaft (1) and the grounding operation shaft (2), and the isolation operation shaft (1), the grounding operation shaft (2) and the main shaft (11) are rotatably arranged on the mounting frame;
the supporting plate (3) is connected to the mounting frame, a first baffle (4) matched with the isolation operation shaft (1) and a second baffle (5) matched with the grounding operation shaft (2) are arranged on the supporting plate, and the first baffle (4) and the second baffle (5) can slide up and down;
the shifting plate (6) is arranged on the main shaft (11) and is provided with a first pressure lever (7) and a second pressure lever (8); the first pressure lever (7) is suitable for being pressed against the first baffle (4), and the second pressure lever (8) is suitable for being pressed against the second baffle (5);
the grounding operation shaft (2) is connected with the main shaft (11) through a first connecting rod (17), the grounding operation shaft (2) is suitable for driving the main shaft (11) to rotate, the second pressure lever (8) pushes the second baffle (5) to slide downwards, and the radial blocking of the second baffle (5) and the end part of the isolation operation shaft (1) is realized;
the isolation operation shaft (1) is connected with the main shaft (11) through a second connecting rod (18), the isolation operation shaft (1) is suitable for driving the main shaft (11) to rotate, the first pressing rod (7) is made to push the first baffle (4) to slide downwards, and the first baffle (4) and the end part of the grounding operation shaft (2) are radially blocked.
2. The isolation grounding interlocking mechanism according to claim 1, wherein an interlocking slide plate (23) capable of sliding up and down is arranged on the support plate (3), and the interlocking slide plate (23) is positioned between the first baffle plate (4) and the second baffle plate (5);
the first baffle plate (4) is provided with a first notch facing the interlocking sliding plate (23), the second baffle plate (5) is provided with a second notch facing the interlocking sliding plate (23), and the interlocking sliding plate (23) is erected on the inner bottom surfaces of the first notch and the second notch.
3. The isolation grounding interlock mechanism of claim 1, further comprising:
the first driving lever (12) is connected to the grounding operation shaft (2), the first driving lever (12) is arranged in parallel with the grounding operation shaft (2), and the first driving lever (12) is suitable for driving the main shaft (11) to rotate through the first connecting rod (17);
the second driving lever (13) is connected to the isolation operation shaft (1), the second driving lever (13) is arranged in parallel with the isolation operation shaft (1), and the second driving lever (13) is suitable for driving the main shaft (11) to rotate through the second connecting rod (18).
4. The isolation grounding interlocking mechanism as claimed in claim 3, wherein the mounting frame is provided with a first arc-shaped groove and a second arc-shaped groove, a portion of the first deflector rod (12) extends into the first arc-shaped groove and swings along a track of the first arc-shaped groove, and a portion of the second deflector rod (13) extends into the second arc-shaped groove and swings along a track of the second arc-shaped groove.
5. The isolation grounding interlock mechanism of claim 3, further comprising:
the telescopic rod (14) is positioned between the first driving lever (12) and the second driving lever (13), and the telescopic rod (14) is provided with a first loop bar and a second loop bar which are coaxially sleeved; the first sleeve rod is rotationally connected to the first driving lever (12), and the second sleeve rod is rotationally connected to the second driving lever (13);
and the tension spring (15) is sleeved on the telescopic rod (14), one end of the tension spring is connected to the first loop bar, and the other end of the tension spring is connected to the second loop bar.
6. The isolation grounding interlock mechanism according to claim 1, wherein the main shaft (11) has a fixedly connected triangle (16), and the first link (17) and the second link (18) are connected to the triangle (16).
7. The isolation grounding interlock mechanism of claim 1, further comprising:
a first elastic member (21) having one end connected to the support plate (3) and the other end connected to the first shutter (4) to provide a resilient force for releasing the first shutter (4) from blocking the ground operation shaft (2);
and a second elastic member (22) having one end connected to the support plate (3) and the other end connected to the second shutter (5) and providing a resilient force for releasing the second shutter (5) from blocking the isolation operation shaft (1).
8. The isolation grounding interlocking mechanism is characterized in that the support plate (3) is provided with a first guide post (19) and a second guide post (20) which are vertically arranged, and each of the first guide post (19) and the second guide post (20) is provided with at least two guide posts which are arranged at intervals;
the first baffle (4) is provided with a first sliding groove which is sleeved on the first guide column (19), and the second baffle (5) is provided with a second sliding groove which is sleeved on the second guide column (20).
9. The isolation grounding interlock mechanism of claim 1, wherein the mounting bracket comprises: first mounting panel (9) and second mounting panel (10) that the interval set up around, first mounting panel (9) with connect through the spliced pole between second mounting panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311570.0U CN215731386U (en) | 2021-09-23 | 2021-09-23 | Isolation grounding interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311570.0U CN215731386U (en) | 2021-09-23 | 2021-09-23 | Isolation grounding interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215731386U true CN215731386U (en) | 2022-02-01 |
Family
ID=80024113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122311570.0U Active CN215731386U (en) | 2021-09-23 | 2021-09-23 | Isolation grounding interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215731386U (en) |
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2021
- 2021-09-23 CN CN202122311570.0U patent/CN215731386U/en active Active
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