CN211828609U - Five-prevention interlocking switch cabinet - Google Patents
Five-prevention interlocking switch cabinet Download PDFInfo
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- CN211828609U CN211828609U CN202020585690.2U CN202020585690U CN211828609U CN 211828609 U CN211828609 U CN 211828609U CN 202020585690 U CN202020585690 U CN 202020585690U CN 211828609 U CN211828609 U CN 211828609U
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Abstract
The utility model relates to a five prevent interlocking cubical switchboard, including the cabinet body and set up vacuum circuit breaker, isolator, earthing switch and the five prevent interlocking mechanism in the cabinet body, the shutting pivot of the five prevent interlocking mechanism is connected with the main shaft linkage of vacuum circuit breaker through the link plate, and the isolation pivot is connected with the isolator linkage, and the earthing pivot is connected with the earthing switch linkage, the utility model discloses a five prevent interlocking mechanism lock isolator, earthing switch and cabinet door when vacuum circuit breaker closes a floodgate, stopped the maloperation when vacuum circuit breaker closes a floodgate; the five-prevention interlocking mechanism is locked with the closing pawl of the vacuum circuit breaker, so that the potential safety hazard of mistaken closing during opening of the vacuum circuit breaker is eliminated, and the safety is high; meanwhile, the five-prevention interlocking switch cabinet is simple in structure and convenient to install.
Description
Technical Field
The utility model relates to a cubical switchboard especially adopts novel five to prevent interlocking mechanism's five and prevent interlocking cubical switchboard.
Background
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 vacuum circuit breaker, an isolating switch and a grounding switch, and in order to realize five-prevention of the switch cabinet, a five-prevention interlocking mechanism needs to be arranged among the components.
The five-prevention interlocking mechanism of the existing five-prevention interlocking switch cabinet generally adopts a linkage mode to ensure that the vacuum circuit breaker can be disconnected with the disconnecting switch and the grounding switch at the same time, when the disconnecting switch is disconnected with a load, the five-prevention interlocking mechanism can simultaneously disconnect the vacuum circuit breaker, the occurrence of misoperation cannot be avoided, the result of misoperation can only be reduced, and certain potential safety hazard exists; in order to ensure that the five-prevention interlocking mechanism can break the vacuum circuit breaker in time, the five-prevention interlocking mechanism is usually in linkage connection with a switching-off lock of the vacuum circuit breaker, and the five-prevention interlocking mechanism can be operated only after the circuit breaker is switched off, but in the connection mode, a circuit breaker switching-off position signal is uploaded only in a mode of an electric appliance switching point, the circuit breaker can still be switched on when a circuit breaker switching-on electric appliance control loop is switched off and other equipment in a cabinet is operated, and the circuit breaker can be switched off immediately after the circuit breaker is switched on, so that certain potential safety hazards exist in the operation process; and current five prevent interlocking mechanism dispersion at circuit breaker, isolator and earthing switch department, lead to the structure of cubical switchboard complicated, it is inconvenient to install.
Disclosure of Invention
To the above-mentioned not enough, the utility model provides a five prevent interlocking cubical switchboard as an organic whole with circuit breaker operating device connects through gathering circuit breaker main shaft deciliter position, using the shutting circuit breaker combined floodgate to carry out the operation order of interconnection interlocking as the center, have advantages such as security height, compact structure, simple to operate.
In order to achieve the above purpose, the utility model discloses a five-prevention interlocking switch cabinet, which comprises a cabinet body, a vacuum circuit breaker, an isolating switch and a grounding switch, wherein the vacuum circuit breaker, the isolating switch and the grounding switch are arranged in the cabinet body, the five-prevention interlocking switch cabinet also comprises a five-prevention interlocking mechanism, the five-prevention interlocking mechanism is arranged below the vacuum circuit breaker, the five-prevention interlocking mechanism comprises a chassis, a closing rotating shaft, a locking rotating shaft, an isolating lock rod and a locking push rod, the closing rotating shaft, the isolating lock rod and the locking push rod are arranged in the chassis in parallel, the locking rotating shaft, the closing rotating shaft, the isolating lock rod and the locking push rod are arranged in the chassis in a mutually perpendicular manner, a connecting plate is arranged on the locking rotating shaft, the connecting plate is connected with a main shaft of the vacuum circuit breaker in a linkage manner, a brake separating pawl is arranged at the intersection position of the locking rotating shaft and the isolating lock rod, the two ends of the locking push rod are respectively provided with a grounding locking plate and a cam plate, two sides of the locking rotating shaft are respectively provided with an isolating rotating shaft and a grounding rotating shaft in parallel, the isolating locking plate and the cam plate are sleeved on the isolating rotating shaft to coaxially rotate, the driving wheel plate and the grounding locking plate are sleeved on the grounding rotating shaft to coaxially rotate, the isolating rotating shaft is in linkage connection with the isolating switch, the grounding rotating shaft is in linkage connection with the grounding switch, a plurality of locking grooves matched with the isolating locking rod and the locking push rod are respectively formed in the peripheries of the isolating locking plate and the grounding locking plate, a piston is arranged on the driving wheel plate, one end of the piston is in linkage connection with a circuit breaker closing pawl, a reset spring for pulling the isolating locking rod to the driving wheel plate is sleeved on the isolating locking rod, and a reset spring.
The utility model discloses further set up to close a pivot setting outside shutting pivot one end, close a pivot and the linkage of bevel gear meshing is passed through in the shutting pivot, is provided with the lock door plant in closing the pivot.
The utility model discloses further set up to all set up four locking grooves on keeping apart locking plate and the ground connection locking plate, four locking grooves are according to angle settings such as 90.
The utility model discloses further set up as keep apart pivot and ground connection pivot and be the hexagonal axle, the center of driving wheel board, cam plate, isolation locking board and ground connection locking board corresponds the hexagonal axle and forms the hexagonal hole.
The utility model discloses further set up as form the groove of stepping down that supplies the shutting pivot to pass on keeping apart locking lever, the shutting push rod.
The utility model discloses further set up as the separating brake piece is the separating brake bearing of connection on keeping apart the locking lever.
The utility model discloses further set up to be connected with the isolation connecting rod in the isolation pivot, keep apart the pivot and be connected with isolator through keeping apart the connecting rod, be connected with the ground connection connecting rod in the ground connection pivot, the ground connection pivot is passed through the ground connection connecting rod and is connected with isolator.
The utility model discloses further set up as the chassis forms the connecting rod groove in the department of passing through of isolation connecting rod and ground connection connecting rod.
The utility model discloses a gather circuit breaker main shaft deciliter position, carrying out the operation order of interconnection interlocking as the center with the shutting circuit breaker combined floodgate, circuit breaker combined floodgate position interlocking mechanism effectively prevented the maloperation with mechanical mode shutting isolation switch promptly, earthing switch's operation pivot, five prevent interlocking mechanism operation wicket of synchronous locking, unlocking mechanism operation wicket when circuit breaker is separated, synchronous shutting circuit breaker combined floodgate sincerely son during operation earthing switch, locking isolation switch pivot, prevent that earthing switch combined position operation circuit breaker closes isolation switch.
The utility model has the advantages that the isolating switch, the grounding switch and the cabinet door are locked by the five-prevention interlocking mechanism when the vacuum circuit breaker is switched on, so that misoperation when the vacuum circuit breaker is switched on is avoided; the five-prevention interlocking mechanism is locked with the closing pawl of the vacuum circuit breaker, so that the potential safety hazard of mistaken closing during opening of the vacuum circuit breaker is eliminated, and the safety is high; meanwhile, the five-prevention interlocking switch cabinet is simple in structure and convenient to install.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a five-prevention interlocking mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the isolation locking bar according to the embodiment of the present invention.
Fig. 4 is a schematic view of the locking push rod according to the embodiment of the present invention.
Fig. 5 is a partial enlarged view of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-5, a five-prevention interlocking switch cabinet according to a specific embodiment of the present invention includes a cabinet 50, a vacuum circuit breaker 20, an isolating switch 30, a grounding switch 40, and a five-prevention interlocking mechanism 10 disposed in the cabinet 50, the five-prevention interlocking mechanism 10 is disposed below the vacuum circuit breaker 20, the five-prevention interlocking mechanism 10 includes a chassis 1, a closing rotating shaft 2, a locking rotating shaft 3, an isolating lock rod 4, and a locking push rod 5, the closing rotating shaft 2, the isolating lock rod 4, and the locking push rod 5 are disposed in parallel in the chassis 1, the locking rotating shaft 3, the closing rotating shaft 2, the isolating lock rod 4, and the locking push rod 5 are disposed in the chassis 1 perpendicularly to each other, a connecting plate 31 is disposed on the locking rotating shaft 3, the connecting plate 31 is linked with a main shaft 201 of the vacuum circuit breaker 20, the locking rotating shaft 3 is provided with a brake separating bearing 32 at an intersecting position with the isolating lock rod 4, the isolating lock rod 4 is provided with a brake separating, the two ends of the isolation lock rod 4 are respectively provided with a driving wheel plate 42 and an isolation locking plate 43, the two ends of the locking push rod 5 are respectively provided with a grounding locking plate 51 and a cam plate 52, the two sides of the locking rotating shaft 3 are respectively provided with an isolation rotating shaft 6 and a grounding rotating shaft 7 in parallel, the isolation locking plate 43 and the cam plate 52 are sleeved on the isolation rotating shaft 6 to coaxially rotate, the driving wheel plate 42 and the grounding locking plate 51 are sleeved on the grounding rotating shaft 7 to coaxially rotate, the isolation rotating shaft 6 is connected with an isolation connecting rod 61, the isolation rotating shaft 6 is connected with the isolation switch 30 through the isolation connecting rod 61, the grounding rotating shaft 7 is connected with a grounding connecting rod 71, the grounding rotating shaft 7 is connected with the grounding switch 30 through the grounding connecting rod 71, the chassis 1 forms a connecting rod groove 11 at the passing part of the isolation connecting rod 61 and the grounding connecting rod 71, the periphery of the isolation locking plate 43 and the grounding locking plate, the four locking grooves are arranged at equal angles of 90 degrees, a piston 8 is arranged on the driving wheel plate 42, the piston 8 is sleeved in the piston sleeve 81 and moves up and down, the upper end of the piston 8 is in linkage connection with a closing pawl of the vacuum circuit breaker, a reset spring 9 for pulling the isolation lock rod 4 to the driving wheel plate 42 is sleeved on the isolation lock rod 4, a reset spring for pulling the locking push rod 5 to the cam plate 52 is sleeved on the locking push rod 5, the closing rotating shaft 2 is arranged outside one end of the locking rotating shaft 3, the closing rotating shaft 2 and the locking rotating shaft 3 are in meshing linkage through a bevel gear, a door locking plate 21 is arranged on the closing rotating shaft 2, the door locking plate 21 is matched with a door lock to realize locking, and the isolation lock rod 4 and the locking push rod 5 are provided with a abd.
The isolation rotating shaft 6 and the grounding rotating shaft 7 are both hexagonal shafts, and the centers of the driving wheel plate 42, the cam plate 52, the isolation locking plate 43 and the grounding locking plate 51 correspond to the hexagonal shafts to form a hexagonal hole.
The utility model discloses set up five-prevention interlocking mechanism in the vacuum circuit breaker below, be connected through even board and vacuum circuit breaker linkage and gather vacuum circuit breaker main shaft deciliter position, when vacuum circuit breaker is in the closing position, the sincere son of separating brake locks the locking inslot locking isolation pivot that the locking lever pushed into the isolation locking board, thereby the isolator that locking and isolation pivot are connected, keep apart the locking epaxial cam plate of pivot this moment and push into the locking inslot locking ground connection pivot of ground connection locking board with the locking push rod, thereby the earthing switch who is connected with the ground connection pivot is locked, close a pivot through locking pivot locking simultaneously and make lock door plate locking lock, the prevention is opened the door, realize closing the back automatic locking isolator, prevent that isolator from taking load from pulling brake, lock earthing switch simultaneously, the cubical switchboard door plant, prevent the maloperation. When the vacuum circuit breaker is in the opening position, the isolation lock rod releases the locking of the isolation rotating shaft under the action of the reset spring, so that the isolation switch can be operated, and meanwhile, the locking of the door lock is released; the disconnecting switch is operated to be opened, the cam plate on the isolating rotating shaft rotates to release the pushing of the locking push rod, the locking push rod releases the locking of the grounding rotating shaft under the action of the reset spring, and the locking synchronization between the disconnecting switch and the grounding switch is released; and a driving wheel plate on the grounding rotating shaft pushes a piston to lock a closing pawl of the vacuum circuit breaker to prevent closing with a ground switch, and a reset locking push rod locks an isolating switch rotating shaft through a cam plate to prevent closing with a ground switch.
The above-mentioned specific embodiment is the preferred embodiment of the present invention, except the above-mentioned embodiments, other obvious changes of the present invention, such as that the hexagonal shaft of the isolation rotating shaft and the grounding rotating shaft can be changed into any special-shaped shaft, are also within the protection scope of the present invention.
Claims (8)
1. The utility model provides a five prevent interlocking cubical switchboard, includes the cabinet body and sets up at internal vacuum circuit breaker, isolator, earthing switch of cabinet, its characterized in that: the five-prevention interlocking switch cabinet also comprises a five-prevention interlocking mechanism, the five-prevention interlocking mechanism is arranged below the vacuum circuit breaker and comprises a chassis, a door closing rotating shaft, a locking rotating shaft, an isolation locking rod and a locking push rod, the door closing rotating shaft, the isolation locking rod and the locking push rod are arranged in the chassis in parallel, the locking rotating shaft, the door closing rotating shaft, the isolation locking rod and the locking push rod are arranged in the chassis in a mutually perpendicular mode, a connecting plate is arranged on the locking rotating shaft and is connected with a main shaft of the vacuum circuit breaker in a linkage mode, a brake separating pawl is arranged at the intersection position of the locking rotating shaft and the isolation locking rod and corresponds to the brake separating pawl, a brake separating block is arranged at the two ends of the isolation locking rod respectively provided with a driving wheel plate and an isolation locking plate, a grounding locking plate and a cam plate are arranged at the two ends of the locking push rod respectively, the isolation rotating shaft and the grounding rotating shaft are arranged at the two, the driving wheel plate and the grounding locking plate are sleeved on the grounding rotating shaft to coaxially rotate, the isolation rotating shaft is in linkage connection with the isolating switch, the grounding rotating shaft is in linkage connection with the grounding switch, a plurality of locking grooves matched with the isolation locking rod and the locking push rod are formed in the peripheries of the isolation locking plate and the grounding locking plate respectively, a piston is arranged on the driving wheel plate, one end of the piston is in linkage connection with a closing pawl of the circuit breaker, a reset spring for pulling the isolation locking rod to the driving wheel plate is sleeved on the isolation locking rod, and a reset spring for pulling the locking push rod to the cam plate is sleeved on the locking push rod.
2. The five-prevention interlocking switch cabinet according to claim 1, characterized in that: the closing rotating shaft is arranged outside one end of the locking rotating shaft, the closing rotating shaft and the locking rotating shaft are meshed and linked through a bevel gear, and a door locking plate is arranged on the closing rotating shaft.
3. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: four locking grooves are formed in the isolating locking plate and the grounding locking plate, and the four locking grooves are arranged at equal angles of 90 degrees.
4. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: the isolation rotating shaft and the grounding rotating shaft are both hexagonal shafts, and the centers of the driving wheel plate, the cam plate, the isolation locking plate and the grounding locking plate correspond to the hexagonal shafts to form a hexagonal hole.
5. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: and the isolating lock rod and the locking push rod are provided with abdicating grooves for the locking rotating shaft to pass through.
6. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: the brake separating block is a brake separating bearing connected to the isolating lock rod.
7. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: the isolation rotating shaft is connected with an isolation connecting rod, the isolation rotating shaft is connected with the isolation switch through the isolation connecting rod, the grounding rotating shaft is connected with a grounding connecting rod, and the grounding rotating shaft is connected with the grounding switch through the grounding connecting rod.
8. The five-prevention interlocking switch cabinet according to claim 1 or 2, characterized in that: the chassis forms a link slot at the passage of the isolating link and the grounding link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585690.2U CN211828609U (en) | 2020-04-17 | 2020-04-17 | Five-prevention interlocking switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585690.2U CN211828609U (en) | 2020-04-17 | 2020-04-17 | Five-prevention interlocking switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211828609U true CN211828609U (en) | 2020-10-30 |
Family
ID=73141741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020585690.2U Active CN211828609U (en) | 2020-04-17 | 2020-04-17 | Five-prevention interlocking switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211828609U (en) |
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2020
- 2020-04-17 CN CN202020585690.2U patent/CN211828609U/en active Active
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