CN215255315U - Assembly structure of program lock and electromagnet interlocking device for SF6 gas insulation ring main unit - Google Patents
Assembly structure of program lock and electromagnet interlocking device for SF6 gas insulation ring main unit Download PDFInfo
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- CN215255315U CN215255315U CN202120648505.4U CN202120648505U CN215255315U CN 215255315 U CN215255315 U CN 215255315U CN 202120648505 U CN202120648505 U CN 202120648505U CN 215255315 U CN215255315 U CN 215255315U
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- electromagnet
- interlocking plate
- interlocking
- main unit
- ring main
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- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a SF6 procedure lock for gas-insulated looped netowrk cabinet constructs with assembly of electro-magnet interlock, belong to electrical equipment technical field, electro-magnet interlock is including the electro-magnet of series connection among combined floodgate shutting return circuit, interlocking plate and the gliding actuating mechanism of drive interlocking plate, install between the load switch operating axis of the manual operation handle who closes a floodgate and the panel of SF6 gas-insulated looped netowrk cabinet interlocking plate slidable, the one end of interlocking plate is the lock core connecting rod of electro-magnet and stretch out the state and block when SF6 gas pressure is zero disconnection, and make its other end shield the load switch operating axis completely or partially. The utility model discloses a combine electric and mechanical structure, be zero time when the gaseous atmospheric pressure of SF6, make SF6 gas insulation looped netowrk cabinet be zero time unable operation load switch at the gaseous atmospheric pressure of SF6, effectively ensured operating personnel's operation security, its simple structure, be suitable for in-service use.
Description
Technical Field
The utility model relates to an electrical switching equipment field especially relates to a SF6 procedure lock for gaseous insulation looped netowrk cabinet and electromagnet interlock's assembly structure.
Background
With the application of the SF6 gas insulated ring main unit, the safety requirement is higher and higher. Misoperation accidents on the SF6 gas insulation ring main unit are caused continuously due to the incomplete interlocking function, and a large amount of casualties and equipment damage are caused. In the prior art, the SF6 gas insulated ring main unit generally adopts warning marks or an electrical interlocking mode to limit the operation action of an operation shaft of an opening switch, a closing switch or a load switch so as to prevent misoperation. However, the warning identifier has a large potential safety hazard, and a maintainer may easily ignore the warning identifier to perform misoperation when the maintainer cannot know the field power distribution device; the reliability of the electric interlocking mode is low or the interlocking function is incomplete.
In addition, in the prior art, because the space in the SF6 gas insulated ring main unit is limited, the unreasonable situation that the position conflict exists between the program lock for interlocking the two incoming lines and the electromagnet interlocking device for limiting the operation of the load switch exists.
Based on this, the present application is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a SF6 procedure lock for gas insulation looped netowrk cabinet and electromagnet interlock's assembly structure makes procedure lock and electromagnet interlock's mounted position rational distribution in the SF6 gas insulation looped netowrk cabinet, guarantees procedure lock, electromagnet interlock's normal operating, effectively prevents the maloperation, improves the safety in utilization of SF6 gas insulation looped netowrk cabinet.
In order to achieve the above object, the utility model discloses SF6 procedure lock for gas insulated ring main unit and electromagnet interlock's assembly structure is as follows: including procedure lock and electro-magnet interlock, the electro-magnet interlock includes:
the electromagnet is provided with a lock cylinder connecting rod which is electrified and withdrawn when the air pressure in the SF6 gas insulation ring main unit is not zero;
the interlocking plate is slidably arranged between the load switch operating shaft and a panel of the SF6 gas insulation ring main unit, one end of the interlocking plate is blocked by the extending state of the lock cylinder connecting rod of the electromagnet, and the other end of the interlocking plate completely or partially shields the load switch operating shaft;
the driving mechanism is connected with the interlocking plate and used for driving the interlocking plate to slide;
the program lock is arranged adjacent to the interlocking plate and is positioned between the sliding strokes of the interlocking plate, so that two ends of the program lock are respectively adjacent to the electromagnet and the load switch operating shaft.
The utility model discloses further set up as follows: the driving mechanism is a sliding block facing to a panel of the SF6 gas insulation ring main unit, and the sliding block is inserted into a sliding groove in the panel of the SF6 gas insulation ring main unit and can slide along the sliding groove.
The utility model discloses further set up as follows: and the other end of the interlocking plate is provided with a parallel baffle plate which is arranged in parallel with the end surface of the operating shaft of the load switch and the face plate of the SF6 gas insulation ring main unit.
The utility model discloses further set up as follows: one end of the interlocking plate is provided with a vertical baffle perpendicular to the extending direction of the lock cylinder connecting rod of the electromagnet.
The utility model discloses further set up as follows: the body of the interlocking plate and the vertical baffle are positioned on the same plane, and the parallel baffle is vertically connected with the body of the interlocking plate.
The utility model discloses further set up as follows: the slide block is a plate-shaped body connected with the interlocking plate body.
The utility model discloses further set up as follows: the plate-shaped body comprises a first connecting section, a second connecting section and an outer end portion, wherein one end of the first connecting section is connected with the body of the interlocking plate, one end of the second connecting section is connected with the first connecting section, and the first connecting section and the outer end portion are on different parallel surfaces.
The utility model discloses further set up as follows: the second connecting section is perpendicular to the first connecting section or forms an included angle of 45-70 degrees with the first connecting section.
In order to facilitate production and assembly, the utility model discloses further set up as follows: the interlocking plate is of an integrated structure.
For convenient use, the utility model discloses further set up as follows: the interlocking plate is made of steel materials.
The utility model discloses further set up as follows: the interlocking plate is slidably mounted on the mounting base, and a closing button and an opening button are further mounted above the interlocking plate and on the mounting base.
The utility model discloses further set up as follows: the interlocking plate is located above the program lock and clamped among the closing button, the opening button and the program lock.
The utility model discloses further set up as follows: the electromagnet is positioned at the upper left of the program lock, and the load switch operating shaft is positioned at the right side of the program lock.
The utility model has the advantages as follows:
one, the utility model discloses an electro-magnet and interlocking plate have formed the electro-magnet interlock that is used for controlling load switch separating brake-combined floodgate, it combines two kinds of structures of electricity and machinery, collect the advantage of electric interlocking and mechanical interlocking dual mode, overcome the problem that the reliability that only adopts electric interlocking to exist is low, the structure that only adopts mechanical interlocking to exist is complicated also overcome, the problem of inconvenient operation, make SF6 gas-insulated looped netowrk cabinet be the unable operation load switch of zero time at the gaseous atmospheric pressure of SF6, effectively prevent the maloperation, the safety in utilization of SF6 gas-insulated looped netowrk cabinet has been improved greatly.
Two, the utility model discloses be located the upper left end of procedure lock with the electro-magnet, and restrict the load switch operation through the interlocking plate that has certain length, simultaneously the procedure lock also can restrict load switch's operation, this use is novel optimized the inside space design of SF6 gas insulation looped netowrk cabinet, makes procedure lock and electro-magnet position adjacent but each other conflict, independent separately, its overall structure is simple, adopt the part few, when being convenient for process the assembly, also be convenient for maintain and safeguard.
Drawings
Fig. 1 is a general schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a state of an embodiment of the present invention.
Fig. 3 is a diagram illustrating a state two according to an embodiment of the present invention.
Reference numerals: 100-electromagnet, 200-load switch operating shaft, 300-interlocking plate, 400-closing button, 500-opening button, 600-panel, 700-procedure lock;
101-lock core connecting rod, 301-parallel baffle, 302-slider, 302 a-outer end portion, 302 b-second connecting section, 302 c-first connecting section, 303-vertical baffle, 601-chute, 602-shaft hole.
Detailed Description
Embodiment 1 an assembly structure of a program lock 700 and an electromagnet interlocking device for an SF6 gas insulated ring main unit in this embodiment is shown in fig. 1 to 3, where the electromagnet interlocking device includes an electromagnet 100, an interlocking plate 300, and a driving mechanism for driving the interlocking plate 300 to slide: the electromagnet 100 is provided with a lock cylinder connecting rod 101, wherein the electromagnet 100 is controlled by a detection air pressure circuit in a controller SF6 gas insulation ring main unit, and when the detection air pressure of the detection air pressure circuit is zero, a loop where the electromagnet 100 is located is disconnected; when the pressure detected by the pressure detecting circuit is greater than zero, the loop where the electromagnet 100 is located is closed and electrified, and the lock cylinder connecting rod 101 is retracted accordingly.
And an interlocking plate 300 which is slidably installed between the load switch operating shaft 200 of the manual operating handle for closing and the panel 600 of the SF6 gas insulated ring main unit. Meanwhile, the interlocking plate 300 is also located between a mounting base for mounting the closing button 400 and the opening button 500 and a program lock 700 below the mounting base. As shown in fig. 2, the electromagnet 100 is located on the left side of the program lock 700, the load switch operating shaft 200 is located on the right side of the program lock 700, and the electromagnet 100 and the load switch operating shaft 200 are interlocked with each other by the interlocking plate 300 provided across the program lock 700.
Interlocking plate 300 includes a body and vertical and parallel baffles 303, 301: the vertical baffle 303 is perpendicular to the extending direction of the lock cylinder connecting rod 101 of the electromagnet 100, and the body of the interlocking plate 300 and the vertical baffle 303 are positioned on the same plane; the parallel baffle 301 is arranged in parallel with the end face of the load switch operating shaft 200 and the face plate 600 of the SF6 gas insulation ring main unit, and the parallel baffle 301 is vertically connected with the body of the interlocking plate 300.
A parallel baffle 301 is provided on one end (right end shown in fig. 2) of the interlock plate 300 close to the load switch operation shaft 200, and a vertical baffle 303 is provided on the other end (left end shown in fig. 2) of the interlock plate 300 close to the cylinder link 101 of the electromagnet 100, thereby achieving: as shown in fig. 2, when the left end of the interlock plate 300 is blocked by the extended state of the cylinder link 101 of the electromagnet 100, the right end thereof completely or partially shields the load switch operating shaft 200; as shown in fig. 3, after the cylinder link 101 of the electromagnet 100 is retracted during closing, the left end of the interlock plate 300 can move leftward without being blocked by the cylinder link 101, so that the right end of the interlock plate 300 is separated from the position between the load switch operating shaft 200 and the panel 600 of the SF6 gas insulated ring main unit, and the load switch operating shaft 200 is exposed, so as to allow manual operation.
In order to control the sliding of the interlocking plate 300 on the panel 600 of the SF6 gas insulated ring main unit, the driving mechanism is a panel 600 facing the SF6 gas insulated ring main unit, and a plate-shaped body connected to the body of the interlocking plate 300, the plate-shaped body includes a first connecting section 302c with one end connected to the body of the interlocking plate 300, a second connecting section 302b with one end connected to the first connecting section 302c, and an outer end 302a, and the first connecting section 302c and the outer end 302a are on different parallel surfaces. In this embodiment, the second connection section 302b and the first connection section 302c form an included angle of 45 ° -70 °, and in other embodiments, the second connection section 302b and the first connection section 302c may be connected in a vertical connection manner.
In the present embodiment, the interlocking plate 300 is preferably a unitary structure, and the interlocking plate 300 is made of steel.
In another embodiment, the driving mechanism may be designed as a part detachably and fixedly connected to the interlocking plate 300, instead of being integrated with the interlocking plate 300.
Alternatively, in another embodiment, the driving mechanism further comprises a linear actuator acting on the sliding block 302, the linear actuator may be a linear motor or a lead screw structure, the end of the moving rod of the linear motor is connected to the sliding block 302 or the sliding nut in the lead screw structure is connected to the sliding block 302, and the operation of the linear actuator or the lead screw structure can be remotely controlled by a remote controller or a mobile terminal, so as to realize the sliding of the electrically driven interlocking plate 300.
To sum up, the utility model provides an electromagnet interlocking device and procedure lock assembly structure of mutually supporting that SF6 gas insulation looped netowrk cabinet used, through the position relation who combines electro-magnet 100 and interlocking plate 300, an electric and mechanical combination's interlock is provided, atmospheric pressure when SF6 gas insulation looped netowrk cabinet in is zero, its inside load switch operating axis 200 receives electromagnet interlocking device's restriction and can't start, operating personnel's operational safety has effectively been ensured, a structure is simple, be suitable for in-service use.
Claims (10)
1. The utility model provides a SF6 procedure lock and electromagnet interlock's assembly structure for gaseous insulation looped netowrk cabinet which characterized in that: including procedure lock and electro-magnet interlock, the electro-magnet interlock includes:
the electromagnet is provided with a lock cylinder connecting rod which is electrified and withdrawn when the air pressure in the SF6 gas insulation ring main unit is not zero;
the interlocking plate is slidably arranged between the load switch operating shaft and a panel of the SF6 gas insulation ring main unit, one end of the interlocking plate is blocked by the extending state of the lock cylinder connecting rod of the electromagnet, and the other end of the interlocking plate completely or partially shields the load switch operating shaft;
the driving mechanism is connected with the interlocking plate and used for driving the interlocking plate to slide;
the program lock is arranged adjacent to the interlocking plate and is positioned between the sliding strokes of the interlocking plate, so that two ends of the program lock are respectively adjacent to the electromagnet and the load switch operating shaft.
2. The assembling structure of the program lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 1, wherein: the driving mechanism is a sliding block arranged towards a panel of the SF6 gas insulation ring main unit.
3. The assembling structure of the procedure lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 1 or 2, wherein: the other end of the interlocking plate is provided with a parallel baffle plate which is arranged in parallel with the end face of the load switch operating shaft and the face plate of the SF6 gas insulation ring main unit;
and/or one end of the interlocking plate is provided with a vertical baffle perpendicular to the extending direction of the lock cylinder connecting rod of the electromagnet.
4. The assembling structure of the program lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 3, wherein: the body of the interlocking plate and the vertical baffle are positioned on the same plane, and the parallel baffle is vertically connected with the body of the interlocking plate.
5. The assembling structure of the program lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 2, wherein: the slide block is a plate-shaped body connected with the interlocking plate body.
6. The assembling structure of the program lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 5, wherein: the plate-shaped body comprises a first connecting section, a second connecting section and an outer end portion, wherein one end of the first connecting section is connected with the body of the interlocking plate, one end of the second connecting section is connected with the first connecting section, and the first connecting section and the outer end portion are on different parallel surfaces.
7. The assembling structure of the program lock and the electromagnet interlocking device for the SF6 gas insulated ring main unit as recited in claim 6, wherein: the second connecting section is perpendicular to the first connecting section or forms an included angle of 45-70 degrees with the first connecting section.
8. An assembling structure of a program lock and an electromagnet interlocking device for an SF6 gas insulated ring main unit as defined in any of claims 1, 2, 4, 5 and 6, wherein: the interlocking plate is of an integrated structure; and/or, the interlocking plate is made of steel materials.
9. An assembling structure of a program lock and an electromagnet interlocking device for an SF6 gas insulated ring main unit as defined in any of claims 1, 2, 4, 5 and 6, wherein: the interlocking plate is slidably mounted on the mounting base, and a closing button and an opening button are further mounted above the interlocking plate and on the mounting base.
10. An assembling structure of a program lock and an electromagnet interlocking device for an SF6 gas insulated ring main unit as defined in any of claims 1, 2, 4, 5 and 6, wherein: the interlocking plate is positioned above the program lock and clamped among the closing button, the opening button and the program lock;
and/or the electromagnet is positioned at the upper left part of the program lock, and the load switch operating shaft is positioned at the right side of the program lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648505.4U CN215255315U (en) | 2021-03-30 | 2021-03-30 | Assembly structure of program lock and electromagnet interlocking device for SF6 gas insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648505.4U CN215255315U (en) | 2021-03-30 | 2021-03-30 | Assembly structure of program lock and electromagnet interlocking device for SF6 gas insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255315U true CN215255315U (en) | 2021-12-21 |
Family
ID=79506689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648505.4U Expired - Fee Related CN215255315U (en) | 2021-03-30 | 2021-03-30 | Assembly structure of program lock and electromagnet interlocking device for SF6 gas insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215255315U (en) |
-
2021
- 2021-03-30 CN CN202120648505.4U patent/CN215255315U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |