CN211125482U - Circuit breaker with isolation switch - Google Patents

Circuit breaker with isolation switch Download PDF

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Publication number
CN211125482U
CN211125482U CN201921860816.6U CN201921860816U CN211125482U CN 211125482 U CN211125482 U CN 211125482U CN 201921860816 U CN201921860816 U CN 201921860816U CN 211125482 U CN211125482 U CN 211125482U
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China
Prior art keywords
circuit breaker
shaft
broken shaft
spring
casing
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Application number
CN201921860816.6U
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Chinese (zh)
Inventor
赵攀
王建春
王松
马锋
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Zhengzhou Xunda Electric Co Ltd
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Zhengzhou Xunda Electric Co Ltd
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Priority to CN201921860816.6U priority Critical patent/CN211125482U/en
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Abstract

The utility model relates to a take circuit breaker of isolation switch, including the circuit breaker casing, the circuit breaker body is installed to the top of circuit breaker casing, and the circuit breaker body includes inside vacuum interrupter, the insulating pull rod that stretches out downwards in the below, installs operating mechanism in the circuit breaker casing and by operating mechanism driven universal driving shaft, the utility model discloses an isolation switch sets up the knife ring at the both ends of taking up the cutter plate, and the gag lever post passes the perforation and stretches into the knife ring when the terminal contact of blade and circuit breaker body and circuit breaker circular telegram, can not regard disconnection isolation switch when making circuit breaker body circular telegram, and the people is close to when preventing the outage, and the gag lever post returns the circuit breaker body only when circuit breaker body outage, just can move the knife ring, the utility model discloses in still set up the pivot, the pointer is connected to the one end of pivot, can instruct the state of circuit breaker.

Description

Circuit breaker with isolation switch
Technical Field
The utility model relates to a technical field of mutual-inductor, in particular to circuit breaker of disconnecting link is kept apart in area.
Background
When a user accesses a three-phase alternating-current high-voltage electric connector, a breaker with a high-voltage vacuum isolating disconnecting link must be assembled, the existing breaker with the high-voltage vacuum isolating link usually adopts a linkage shaft to simultaneously control the on-off of a three-phase circuit, the stroke of an insulating pull rod in three breakers meets the requirement of the current circuit, the existing linkage shaft is inconvenient to adjust, the stroke of the three insulating pull rods can be changed simultaneously, and therefore, the breaker capable of respectively adjusting the strokes of the three insulating pull rods is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a take circuit breaker of isolation switch.
The technical scheme of the utility model is that:
the utility model provides a circuit breaker of disconnecting switch, includes circuit breaker casing and disconnecting switch, three circuit breaker body is installed to circuit breaker casing's top, and one side of circuit breaker body is current transformer, the circuit breaker body includes the insulating pull rod that inside vacuum interrupter, below stretched out downwards, installs operating mechanism in the circuit breaker casing and by operating mechanism driven universal driving shaft, and the universal driving shaft articulates there is three arm-tie, and three arm-tie is articulated with three insulating pull rod respectively, and circuit breaker casing's internally mounted has the guide frame of upper end fixed, and operating mechanism is equipped with the drive plate with the link shaft is connected, still is equipped with the branch brake spring of connection between universal driving shaft and circuit breaker casing in the circuit breaker, the universal driving shaft from left to right includes foundation shaft, first broken shaft and second broken shaft in proper order, the bottom of first broken shaft stretches out to the right side has the extension plate, first broken shaft with the second broken shaft is fixed on the extension plate through first retainer plate and second retainer plate respectively The isolation knife switch comprises a wiring board, a closing gate board, a knife switch sheet, a connecting rod and a knife retracting board, wherein the wiring board is fixed on the other side of the breaker body, one end of the closing gate board is hinged with the wiring board through a conductive metal rod, the other end of the closing gate board is hinged with one end of the connecting rod, one end of the knife switch sheet is connected to the middle of the closing gate board, teeth are arranged below the first broken shaft and the second broken shaft, teeth are arranged on the extension board and matched with the teeth under the rectangle, teeth are arranged on the base, a first pin hole located on the left side and a driving long hole located at the middle are arranged on the base shaft, a second pin hole located on the left side and a third pin hole located on the right side are arranged on the first broken shaft, a fourth pin hole located on the right side is arranged on the second broken shaft, three pull plates are hinged with the first pin hole, the second pin hole and the fourth pin hole through a traction pin shaft, The other end cooperates with the terminal of circuit breaker body, one side of circuit breaker casing is equipped with two at least backup pads, the middle part of receipts cutting board is connected with the receipts sword axle that passes the backup pad, the other end of connecting rod with it is articulated to receive the sword axle.
Preferably, the left side of basis axle is equipped with the screw hole, the screw hole spiro union has the gag lever post, the top of first disconnected axle is fixed with the circle axle that upwards stretches out, just to the perforation of gag lever post is installed in the left side of circuit breaker casing, the both ends of receipts sword board are connected with receipts sword ring, and when the terminal contact of disconnecting link and circuit breaker body and circuit breaker circular telegram the gag lever post passes the perforation and stretches into receipts sword ring.
Preferably, gaps are arranged between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft.
Preferably, the first fixing ring and the second fixing ring are both rectangular structures, a tightening bolt is connected below the first fixing ring, and two tightening bolts are connected below the second fixing ring.
Preferably, the third pinhole articulates there is the sleeve pipe, the spring shaft has been worn to the cover intraductal, the both ends of separating brake spring are connected with the spring board, be located left spring board with the both ends of spring shaft are articulated, the both ends of spring shaft stretch out the spring board and wear to be located the split pin in the spring board outside, and the spring board that is located the right side is articulated with circuit breaker housing.
Preferably, one side of circuit breaker casing articulates there is the pivot, the one end of pivot is stretched out circuit breaker casing outside and is connected with the pointer, the other end is located circuit breaker casing inside and is connected with the shift fork, the fork mouth of shift fork is stretched into to the one end of hanging spring axle.
Preferably, the lifting bolt is installed to the top of circuit breaker casing, the left and right sides of circuit breaker casing articulates there is the handle, the left side of circuit breaker casing is installed just to the closing cap of universal driving shaft.
Preferably, an auxiliary switch fixed above is further provided inside the housing, and an operating shaft of the auxiliary switch is connected to the circular shaft.
The utility model has the advantages that:
in the circuit breaker with the isolation disconnecting link of the utility model, the linkage shaft comprises a basic shaft, a first broken shaft and a second broken shaft, the first broken shaft and the second broken shaft are respectively fixed on an extension plate of the basic shaft through a first fixing ring and a second fixing ring, the relative positions of the first broken shaft and the second broken shaft with the basic shaft can be adjusted, the first broken shaft and the second broken shaft are matched with the extension plate through teeth to prevent relative sliding, the initial positions of three pulling plates can be respectively adjusted by adjusting the relative positions of the first broken shaft and the second broken shaft with the basic shaft, and further the upward or downward limit positions of the pulling plates can be changed, the isolation disconnecting link is arranged at the two ends of the disconnecting link, and a limiting rod passes through a perforation to extend into the disconnecting link when a disconnecting link is contacted with a terminal of a circuit breaker body and the circuit breaker is electrified, so that the circuit breaker body can not be considered to be disconnected when the circuit breaker is electrified, the people is close to when preventing the outage, and the gag lever post returns the circuit breaker body only when the circuit breaker body outage, just can pull receipts cutting board, the utility model discloses in still set up the pivot, the pointer is connected to the one end of pivot, can indicate the state of circuit breaker.
Drawings
FIG. 1 is a schematic side view of the structure of the present invention
Fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic front view of the linkage shaft;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a left side view of the linkage shaft;
FIG. 7 is a schematic view of the linkage structure;
FIG. 8 is a schematic top view of the linkage structure;
FIG. 9 is an enlarged partial view of FIG. 3;
in the figure: 1. a linkage shaft; 1-1, a base shaft; 1-11, a first pin hole; 1-12, driving the long hole; 1-13, extension plate; 1-14, a threaded hole; 1-2, a first broken shaft; 1-21, a second pin hole; 1-22, a third pin hole; 1-23, round shaft; 1-3, second broken shaft; 1-31, a fourth pin hole; 1-4, a first fixed ring; 1-5, a second fixed ring; 1-6, tightening the bolt; 2. a guide frame; 2-1, drawing the long hole; 3. pulling a plate; 4. a sleeve; 5. a spring hanging shaft; 6. a retainer ring; 7. a brake separating spring; 7-1, hanging spring pieces; 8. a drive plate; 9. an operating mechanism; 10. a circuit breaker housing; 10-1, hoisting bolts; 10-2, a handle; 10-3, sealing the cover; 11. a circuit breaker housing; 11-1, a vacuum arc-extinguishing chamber; 11-2, an insulating pull rod; 12. a current transformer; 13. an auxiliary switch; 14. a rotating shaft; 14-1, a pointer; 14-2 and a shifting fork.
Detailed Description
The specific implementation mode of the utility model is shown in figures 1-9:
the technical scheme of the utility model is that:
a circuit breaker with an isolation disconnecting link comprises a circuit breaker shell and the isolation disconnecting link, wherein three circuit breaker bodies are installed above the circuit breaker shell, each circuit breaker body comprises an internal vacuum arc extinguish chamber and an insulating pull rod extending downwards in the lower direction, an operating mechanism and a linkage shaft driven by the operating mechanism are installed in the circuit breaker shell, the linkage shaft is hinged with three pull plates, the three pull plates are hinged with the three insulating pull rods respectively, a guide frame with a fixed upper end is installed in the circuit breaker shell, the operating mechanism is provided with a drive plate connected with the linkage shaft, a separating brake spring connected between the linkage shaft and the circuit breaker shell is further arranged in the circuit breaker, the linkage shaft sequentially comprises a base shaft, a first broken shaft and a second broken shaft from left to right, an extension plate extends from the bottom of the first broken shaft to the right side, the first broken shaft and the second broken shaft are fixed on the extension plate through a first fixing ring and a second fixing ring respectively, the breaker comprises a breaker body, a first broken shaft, a second broken shaft, a first pin hole, a second pin hole, a third pin hole, a pull plate, a connecting rod and a knife retracting plate, wherein the first broken shaft and the second broken shaft are provided with teeth below in a rectangular shape, the upper portion of an extension plate is provided with teeth on the rectangular shape matched with the teeth below in the rectangular shape, the base shaft is provided with a first pin hole positioned on the left side and a driving long hole positioned at the middle part, the first broken shaft is provided with a second pin hole positioned on the left side and a third pin hole positioned on the right side, the second broken shaft is provided with a fourth pin hole positioned on the right side, the pull plate is hinged with the first pin hole, the second pin hole and the fourth pin hole through the pull pin shaft, the driving long hole is hinged with a driving plate through the driving pin shaft, the isolation knife switch comprises a wiring plate, a switch-on plate, a knife blade, a connecting rod and a knife retracting, The other end of the breaker is matched with a binding post of a breaker body, at least two supporting plates are arranged on one side of a breaker shell, a knife retracting shaft penetrating through the supporting plates is connected to the middle of the knife retracting plate, the other end of the connecting rod is hinged to the knife retracting shaft, a threaded hole is formed in the left side of the basic shaft, a limiting rod is screwed in the threaded hole, a round shaft extending upwards is fixed above the first broken shaft, a through hole facing the limiting rod is formed in the left side of the breaker shell, knife retracting rings are connected to the two ends of the knife retracting plate, the limiting rod penetrates through the through hole to extend into the knife retracting rings when a knife switch sheet is in contact with the binding post of the breaker body and the breaker is powered on, gaps are formed between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft, the first fixing ring and the second fixing ring are both of rectangular structures, and a puller bolt is connected below the, two puller bolts are connected below the second fixing ring, a sleeve is hinged to the third pin hole, a hanging spring shaft penetrates through the sleeve, two ends of the opening spring are connected with hanging spring plates, the hanging spring plate positioned on the left side is hinged to two ends of the hanging spring shaft, two ends of the hanging spring shaft extend out of the hanging spring plates and penetrate through split pins positioned on the outer sides of the hanging spring plates, the hanging spring plate positioned on the right side is hinged to the circuit breaker shell, a rotating shaft is hinged to one side of the circuit breaker shell, one end of the rotating shaft extends out of the circuit breaker shell and is connected with a pointer, the other end of the rotating shaft is positioned in the circuit breaker shell and is connected with a shifting fork, one end of the hanging spring shaft extends into a fork opening of the shifting fork, the lifting bolts are installed above the circuit breaker shell, handles are hinged to the left side and the right side of the circuit breaker shell, a sealing cover which is right opposite to the linkage shaft is installed on, and the action shaft of the auxiliary switch is connected with the circular shaft.
In the circuit breaker with the isolation disconnecting link of the utility model, the linkage shaft comprises a basic shaft, a first broken shaft and a second broken shaft, the first broken shaft and the second broken shaft are respectively fixed on an extension plate of the basic shaft through a first fixing ring and a second fixing ring, the relative positions of the first broken shaft and the second broken shaft with the basic shaft can be adjusted, the first broken shaft and the second broken shaft are matched with the extension plate through teeth to prevent relative sliding, the initial positions of three pulling plates can be respectively adjusted by adjusting the relative positions of the first broken shaft and the second broken shaft with the basic shaft, and further the upward or downward limit positions of the pulling plates can be changed, the isolation disconnecting link is arranged at the two ends of the disconnecting link, and a limiting rod passes through a perforation to extend into the disconnecting link when a disconnecting link is contacted with a terminal of a circuit breaker body and the circuit breaker is electrified, so that the circuit breaker body can not be considered to be disconnected when the circuit breaker is electrified, the people is close to when preventing the outage, and the gag lever post returns the circuit breaker body only when circuit breaker body outage, just can pull and receive the cutting board, the utility model discloses in still set up the pivot, the pointer is connected to the one end of pivot, can indicate the state of the circuit breaker of taking isolation switch.

Claims (8)

1. The utility model provides a circuit breaker of disconnecting link is kept apart in area, includes circuit breaker casing and disconnecting link, three circuit breaker body is installed to circuit breaker casing's top, and one side of circuit breaker body is current transformer, the circuit breaker body includes the insulating pull rod that inside vacuum interrupter, below stretched out down, installs operating mechanism in the circuit breaker casing and by operating mechanism driven universal driving shaft, and the universal driving shaft articulates there is three arm-tie, and three arm-tie is articulated with three insulating pull rod respectively, and circuit breaker casing's internally mounted has the leading truck of upper end fixed, and operating mechanism is equipped with the drive plate with the universal driving shaft connection, still is equipped with the branch brake spring of connection between universal driving shaft and circuit breaker casing in the circuit breaker, its characterized in that: the universal driving device comprises a linkage shaft, a driving plate, a first broken shaft, a second broken shaft, a base shaft, a first fixing ring, a second broken shaft, a rectangular lower tooth, a rectangular upper tooth matched with the rectangular lower tooth, a first pin hole in the left side and a driving long hole in the middle part, a second pin hole in the left side and a third pin hole in the right side, a fourth pin hole in the right side, a third pulling plate, a first pin hole, a second pin hole and a fourth pin hole, wherein the linkage shaft sequentially comprises the base shaft, the first broken shaft and the second broken shaft from left to right, the bottom of the first broken shaft extends to the right side to form an extension plate, the first broken shaft and the second broken shaft are respectively fixed on the extension plate through the first fixing ring and the second fixing ring, the rectangular lower tooth is arranged below the first broken shaft and the second broken shaft, the rectangular upper tooth matched with the rectangular lower tooth is arranged above the extension plate, keep apart the knife switch and include the wiring board, close flashboard, knife switch piece, connecting rod, receipts cutting board, the opposite side at the circuit breaker body is fixed to the wiring board, the one end that closes the flashboard is articulated through the one end of conductive metal pole, the other end and connecting rod with the wiring board, the terminal cooperation at the middle part of closing the flashboard, the other end and circuit breaker body is connected to the one end of knife switch piece, one side of circuit breaker casing is equipped with two at least backup pads, the middle part of receipts cutting board is connected with the receipts sword axle that passes the backup pad, the other end of connecting rod with it is articulated to receive the sword axle.
2. The circuit breaker with disconnecting link according to claim 1, wherein: the left side of basis axle is equipped with the screw hole, the screw hole spiro union has the gag lever post, the top of first disconnected axle is fixed with the circle axle that upwards stretches out, just to the perforation of gag lever post is installed in the left side of circuit breaker casing, the both ends of receipts cutting board are connected with receipts sword ring, and when the terminal contact of disconnecting link and circuit breaker body and circuit breaker circular telegram the gag lever post passes the perforation and stretches into receipts sword ring.
3. The disconnecting link circuit breaker according to claim 2, wherein: gaps are arranged between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft.
4. The disconnecting link circuit breaker according to claim 3, wherein: the first fixing ring and the second fixing ring are both of rectangular structures, a puller bolt is connected below the first fixing ring, and two puller bolts are connected below the second fixing ring.
5. The disconnecting link circuit breaker according to claim 4, wherein: the third pinhole articulates there is the sleeve pipe, the spring shaft has been worn to the cover intraductal, the both ends of separating brake spring are connected with the spring board, be located left spring board with the both ends of spring shaft are articulated, the both ends of spring shaft stretch out the spring board and wear to be located the split pin in the spring board outside, and the spring board that is located the right side is articulated with circuit breaker casing.
6. The disconnecting link circuit breaker according to claim 5, wherein: one side of circuit breaker casing articulates there is the pivot, the one end of pivot is stretched out circuit breaker casing outside and is connected with the pointer, the other end is located circuit breaker casing inside and is connected with the shift fork, the fork mouth of shift fork is stretched into to the one end of hanging spring axle.
7. The circuit breaker with disconnecting link according to claim 6, wherein: the lifting bolt is installed above the breaker shell, and handles are hinged to the left side and the right side of the breaker shell.
8. The disconnecting link circuit breaker according to claim 7, wherein: an auxiliary switch fixed above is further arranged inside the shell, and an action shaft of the auxiliary switch is connected with the circular shaft.
CN201921860816.6U 2019-10-31 2019-10-31 Circuit breaker with isolation switch Active CN211125482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921860816.6U CN211125482U (en) 2019-10-31 2019-10-31 Circuit breaker with isolation switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921860816.6U CN211125482U (en) 2019-10-31 2019-10-31 Circuit breaker with isolation switch

Publications (1)

Publication Number Publication Date
CN211125482U true CN211125482U (en) 2020-07-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921860816.6U Active CN211125482U (en) 2019-10-31 2019-10-31 Circuit breaker with isolation switch

Country Status (1)

Country Link
CN (1) CN211125482U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115603217A (en) * 2022-12-12 2023-01-13 石家庄科林电气设备有限公司(Cn) Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115603217A (en) * 2022-12-12 2023-01-13 石家庄科林电气设备有限公司(Cn) Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit
CN115603217B (en) * 2022-12-12 2023-03-24 石家庄科林电气设备有限公司 Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit

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