CN215578274U - Five-prevention interlocking mechanism of SF6 switch cabinet - Google Patents
Five-prevention interlocking mechanism of SF6 switch cabinet Download PDFInfo
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- CN215578274U CN215578274U CN202122139729.5U CN202122139729U CN215578274U CN 215578274 U CN215578274 U CN 215578274U CN 202122139729 U CN202122139729 U CN 202122139729U CN 215578274 U CN215578274 U CN 215578274U
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- prevention
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Abstract
The utility model discloses a five-prevention interlocking mechanism of an SF6 switch cabinet, which comprises a mechanism back plate, wherein the upper end of the mechanism back plate is rotatably provided with a main loop grounding switch operating shaft, and a rotating pin is arranged on the main loop grounding switch operating shaft; a lower bin door interlocking piece and a grounding switch interlocking piece which are welded together are arranged below the main circuit grounding switch operating shaft, the grounding switch interlocking piece is connected with an interlocking slide rod, and the interlocking slide rod can be slidably arranged on a mechanism back plate through a slide rod support; the bottom of the interlocking slide bar is provided with an extending roller bracket, and the lower end of the extending roller bracket is provided with an extending roller; the upper end of the sliding rod bracket is sleeved with a compression spring on the interlocking sliding rod, and the other end of the compression spring is propped against the spring pin; a lower bin gate baffle sheet arranged on the lower bin gate is arranged below the roller bracket. The SF6 switch cabinet five-prevention interlocking mechanism is simple in principle, achieves left-right opening of the bin door, is easy to operate, meets the five-prevention requirement of a high-voltage switch cabinet, and prevents mistaken entering of an electrified interval.
Description
Technical Field
The utility model relates to the field of five-prevention interlocking mechanisms, in particular to a five-prevention interlocking mechanism of an SF6 switch cabinet.
Background
In the SF6 cubical switchboard, in order to prevent to miss to go into electrified interval, be provided with five protection door interlocking structure usually, on the existing market, the five protection door interlocking structure of like product, all design for lifting open type, the interlocking structure of this kind of mode is difficult to operate to the phenomenon that often appears blocking, and with people's conventional mode of opening the door left. Based on the structure, the utility model provides the five-prevention interlocking mechanism of the SF6 switch cabinet, which is simple, easy to operate, safe and reliable, and can realize the cabin door interlocking structure with a left-right door opening mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a five-prevention interlocking mechanism of an SF6 switch cabinet, which solves the problems mentioned above.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the five-prevention interlocking mechanism of the SF6 switch cabinet comprises a mechanism back plate, wherein a main circuit grounding switch operating shaft is rotatably arranged at the upper end of the mechanism back plate, and a rotating pin is arranged on the main circuit grounding switch operating shaft; a lower bin gate interlocking piece and an earthing switch interlocking piece which are fixedly connected together through a U-shaped groove are arranged below the main circuit earthing switch operating shaft, an interlocking slide rod is arranged on one side of the earthing switch interlocking piece, the upper end and the lower end of the interlocking slide rod can be slidably mounted on the mechanism back plate through slide rod supports, an extending roller support is arranged at the bottom of the interlocking slide rod, and an extending roller is arranged at the lower end of the extending roller support; a compression spring sleeved on the interlocking slide bar is arranged at the upper end of the slide bar bracket positioned at the lower end of the interlocking slide bar, and the other end of the compression spring abuts against a spring pin arranged on the side wall of the interlocking slide bar; and a lower bin door separation blade is arranged below the extending roller bracket and is arranged on the lower bin door.
Further, the horizontal position of the lower bin gate interlocking piece is higher than that of the grounding switch interlocking piece.
Still further, the lower door separation blade is installed on the lower door through a separation blade support frame.
Still further, the lower bin gate separation blade is provided with an upper groove and a lower groove for the extension roller to pass in and out.
Still further, an operating handle is inserted/extracted from the operating shaft of the main circuit grounding switch.
Still further, the lower bin gate interlocking piece is welded and connected with the upper end face of the interlocking slide rod.
Still further, lower door interlocking piece, earthing switch interlocking piece and U type groove are integrated into one piece structure.
Compared with the prior art, the utility model has the beneficial technical effects that:
when the five-prevention interlocking mechanism of the SF6 switch cabinet is opened on the left side of the lower door and is closed rightwards, the blocking piece of the lower door is inserted into the extending roller, and the whole interlocking slide bar can move downwards in the closing process; after the compartment door is closed, the operating handle is inserted, the grounding switch is separated, the main circuit grounding switch operating shaft rotates anticlockwise, the rotating pin enables the interlocking slide rod to continue to press down for 12mm, and the extending roller of the interlocking slide rod can be clamped into the lower groove of the lower compartment door blocking piece, so that the five-prevention chain is prevented from entering the electrified interval, and the conversion of the compartment door opening mode is also achieved. In a word, the principle of the five-prevention interlocking mechanism of the SF6 switch cabinet is simple, the left and right opening of the bin door is realized, the operation is easy, the five-prevention requirement of the high-voltage switch cabinet is met, and the mistaken entering of the electrified interval is prevented.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
Fig. 1 is a schematic structural diagram of a five-prevention interlocking mechanism of an SF6 switch cabinet;
FIG. 2 is a structural view of the upper end of a baffle plate of the lower bin gate, wherein the upper end of the baffle plate is provided with a protruding roller;
FIG. 3 is a view showing a state where the operating handle cannot be inserted;
FIG. 4 is a structural view of a groove on a lower bin gate baffle where an extension roller is arranged;
FIG. 5 is a view showing a state where the operation handle is inserted;
FIG. 6 is a view of the rotation pin rotated 180;
FIG. 7 is a view showing the structure of the lower groove of the baffle plate of the lower bin gate where the extension roller is placed;
description of reference numerals: 1. a mechanism back plate; 2. a main circuit ground switch operating shaft; 3. a baffle plate support frame; 4. a lower bin gate stop sheet; 5. a lower bin gate interlock; 6. an earthing switch interlocking member; 7. interlocking the slide bars; 8. a slide bar bracket; 9. a compression spring; 10. extending out of the roller bracket; 11. extending the roller; 12. a spring pin; 13. a rotation pin; 14. an operating handle; 15. a lower bin gate.
Detailed Description
As shown in fig. 1-7, the five-prevention interlocking mechanism for the SF6 switch cabinet comprises a mechanism back plate 1, wherein a main circuit grounding switch operating shaft 2 is rotatably mounted at the upper end of the mechanism back plate 1, and a rotating pin 13 is mounted on the main circuit grounding switch operating shaft 2.
A lower bin gate interlocking piece 5 and an earthing switch interlocking piece 6 which are fixedly connected together through a U-shaped groove are arranged below the main circuit earthing switch operating shaft 2, the horizontal position of the lower bin gate interlocking piece 5 is higher than that of the earthing switch interlocking piece 6, and the lower bin gate interlocking piece 5, the earthing switch interlocking piece 6 and the U-shaped groove are of an integrally formed structure. An interlocking slide rod 7 is installed on one side of the grounding switch interlocking piece 6, and the lower bin door interlocking piece 5 is connected with the upper end face of the interlocking slide rod 7 in a welding mode.
The upper end and the lower end of the interlocking slide bar 7 can be slidably arranged on the mechanism back plate 1 through a slide bar bracket 8, namely the slide bar bracket 8 is used as a guide sleeve. The bottom of the interlocking slide bar 7 is provided with a stretching roller bracket 10, and the lower end of the stretching roller bracket 10 is provided with a stretching roller 11. A compression spring 9 sleeved on the interlocking slide bar 7 is installed at the upper end of a slide bar bracket 8 positioned at the lower end of the interlocking slide bar 7, the other end of the compression spring 9 abuts against a spring pin 12 installed on the side wall of the interlocking slide bar 7, and the spring pin 12 moves downwards along with the interlocking slide bar 7 to realize compression of the compression spring 9; when the gear interlocking slide bar 7 needs to move upwards, the effect can be realized through the rebound of the compression spring 9.
A lower bin door separation blade 4 is installed below the extending roller bracket 10, and the lower bin door separation blade 4 is installed on a lower bin door 15 through a separation blade support frame 3. The lower bin gate baffle 4 is provided with an upper groove and a lower groove for the extension roller 11 to enter and exit.
An operating handle 14 is inserted into/out of the main circuit earthing switch operating shaft 2.
The action process of the utility model is as follows:
when the grounding switch is switched on and the lower bin door is left open, the compression spring springs the whole interlocking slide rod to the highest position in the process of releasing the elastic force, so that the extending roller is arranged above the lower bin door blocking piece (as shown in fig. 2), and the grounding switch interlocking piece blocks the operation hole of the main circuit grounding switch operation shaft by 1/4 area (as shown in fig. 3).
Under the state that the grounding switch is switched on and the lower bin door is closed rightwards, the blocking piece of the lower bin door is completely inserted into the extension roller at the moment, the interlocking slide rod is driven to move downwards for a stroke of 15mm, and the extension roller at the moment is clamped into the upper groove of the blocking piece of the lower bin door (as shown in fig. 4). Meanwhile, the compression spring is stressed and compressed, the grounding switch interlocking piece moves away from the operation hole of the main shaft of the main circuit grounding switch, so that the operation handle can be smoothly inserted (as shown in figure 5), and then the operation handle is rotated anticlockwise to drive the main shaft of the main circuit grounding switch to rotate, so that the grounding switch is operated to be switched off. Under the state of separating brake, the rotating pin rotates 180 degrees, so that the interlocking slide rod moves 12mm downwards again (as shown in fig. 6), the extending roller is clamped into a lower groove of a lower bin gate separation blade (as shown in fig. 7), the lower bin gate cannot be opened, one of the requirements of five prevention is realized, namely, under the state of separating brake of the grounding switch, the lower bin gate cannot be opened, the five prevention is realized, the requirement of preventing mistakenly entering an electrified interval is met, the conversion of the bin gate opening mode from an upper lifting type to a left-right opening type is also realized, the opening is convenient and fast, and the operation is easy.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a five prevent interlocking device of SF6 cubical switchboard which characterized in that: the mechanism comprises a mechanism back plate (1), wherein a main loop grounding switch operating shaft (2) is rotatably arranged at the upper end of the mechanism back plate (1), and a rotating pin (13) is arranged on the main loop grounding switch operating shaft (2); a lower bin gate interlocking piece (5) and an earthing switch interlocking piece (6) which are fixedly connected together through a U-shaped groove are arranged below the main loop earthing switch operating shaft (2), an interlocking slide rod (7) is arranged on one side of the earthing switch interlocking piece (6), the upper end and the lower end of the interlocking slide rod (7) can be slidably mounted on the mechanism back plate (1) through a slide rod support (8), an extending roller support (10) is arranged at the bottom of the interlocking slide rod (7), and an extending roller (11) is arranged at the lower end of the extending roller support (10); a compression spring (9) sleeved on the interlocking slide bar (7) is arranged at the upper end of a slide bar bracket (8) positioned at the lower end of the interlocking slide bar (7), and the other end of the compression spring (9) abuts against a spring pin (12) arranged on the side wall of the interlocking slide bar (7); a lower bin door blocking piece (4) is arranged below the extending roller bracket (10), and the lower bin door blocking piece (4) is arranged on a lower bin door (15).
2. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: the horizontal position of the lower bin gate interlocking piece (5) is higher than that of the grounding switch interlocking piece (6).
3. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: the lower bin door baffle (4) is installed on the lower bin door (15) through a baffle support frame (3).
4. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: the lower bin gate baffle (4) is provided with an upper groove and a lower groove for the extension roller (11) to pass in and out.
5. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: an operating handle (14) is inserted into/out of the main circuit grounding switch operating shaft (2).
6. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: the lower bin gate interlocking piece (5) is connected with the upper end face of the interlocking slide rod (7) in a welding mode.
7. The SF6 switch cabinet five-prevention interlocking mechanism of claim 1, wherein: the lower bin gate interlocking piece (5), the grounding switch interlocking piece (6) and the U-shaped groove are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122139729.5U CN215578274U (en) | 2021-09-07 | 2021-09-07 | Five-prevention interlocking mechanism of SF6 switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122139729.5U CN215578274U (en) | 2021-09-07 | 2021-09-07 | Five-prevention interlocking mechanism of SF6 switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578274U true CN215578274U (en) | 2022-01-18 |
Family
ID=79847734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122139729.5U Active CN215578274U (en) | 2021-09-07 | 2021-09-07 | Five-prevention interlocking mechanism of SF6 switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215578274U (en) |
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2021
- 2021-09-07 CN CN202122139729.5U patent/CN215578274U/en active Active
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