CN112563048A - Operating tool for circuit breaker in switch cabinet - Google Patents
Operating tool for circuit breaker in switch cabinet Download PDFInfo
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- CN112563048A CN112563048A CN202011405671.8A CN202011405671A CN112563048A CN 112563048 A CN112563048 A CN 112563048A CN 202011405671 A CN202011405671 A CN 202011405671A CN 112563048 A CN112563048 A CN 112563048A
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- wall
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- fixedly connected
- circuit breaker
- sleeve
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- 230000008093 supporting effect Effects 0.000 claims description 20
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 7
- 230000036541 health Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses an operating tool for a circuit breaker in a switch cabinet, which comprises a main shaft, a fixed seat, a fixed sleeve and a rotating sleeve, wherein the inner wall of the fixed seat is rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a first handle, the outer walls of two sides of the fixed sleeve are respectively and fixedly provided with a first connecting arm and a second connecting arm, the outer wall of one side of the first connecting arm is fixedly connected with a first auxiliary shaft, and the outer wall of the first auxiliary shaft is rotatably connected with a second rotating shaft. Through the first handle, second handle and the third handle that sets up, the condition that takes place to become flexible, the slippage when can preventing device uses, during the use device, first handle is held to operating personnel left hand, the right hand makes the main shaft rotate through rotating second handle and third handle, the main shaft passes through the connector and drives the operating head rotation, carry out operation work, operating personnel's left hand is holding first handle all the time in the operation process, can effectual preventing device not hard up with drop, make the device use convenience more.
Description
Technical Field
The invention belongs to the technical field of circuit breaker operating tools, and particularly relates to an operating tool for a circuit breaker in a switch cabinet.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.
The operating tool for the circuit breaker in the switch cabinet, as disclosed in chinese patent CN105761959B, is provided with a support in a sleeved manner through a rotating shaft, the support comprises a sleeve sleeved on the rotating shaft and support legs uniformly distributed on the circumference of the cross section of the sleeve, an included angle between the support legs and the axis of the sleeve is 30 degrees to 60 degrees, when the circuit breaker is operated by using the operating tool, the operating tool can be conveniently positioned on the switch cabinet through the support, and it is ensured that in the process of rotating the operating tool, the rotating shaft is coaxial with the operating structure of the circuit breaker, so that when the operating tool is prevented from being rotated, the operating tool is disengaged from the circuit breaker due to uneven stress on the operating tool, the operating tool is convenient to use, and the operating efficiency of the. The utility model discloses a cubical switchboard circuit breaker handcart crank of transformer substation, thereby it is furnished with the connecting sleeve of a plurality of types and model and only need carry this application a set of device and can accomplish the different grade type, the divide-shut brake operation of the cubical switchboard circuit breaker handcart isolator of kind, the annular magnet that sets up at the tip of cantilever arm, thereby adsorb all the time on the cubical switchboard surface in the use and avoid the emergence of taking off the handle phenomenon, can slide the change position each other between power arm and the cantilever arm, solved when isolator is nearer from ground when having realized that effective arm of force is adjusted, the pivoted problem of a week can't be accomplished to ordinary Z shape crank, can be to the divide-shut brake operation of big moment of torsion and little moment of torsion isolator under the mutually supporting action of main handle and helping hand handle, the whole easy operation, and convenient carrying.
When the circuit breaker is operating in the cubical switchboard, need use the operating means who is used for circuit breaker in the cubical switchboard to operate, traditional operating means who is used for circuit breaker in the cubical switchboard often can appear becoming flexible, the condition that drops when using, it is not very convenient to use, traditional operating means who is used for circuit breaker in the cubical switchboard is when using simultaneously, often because the device does not keep the level, lead to the circuit breaker atress uneven, cause the damage easily, influence the life of circuit breaker and device.
Disclosure of Invention
The invention aims to provide an operating tool for a circuit breaker in a switch cabinet, and aims to solve the problems that the existing operating tool for the circuit breaker in the switch cabinet is troublesome to use and easily damages a device and a circuit breaker due to frequent looseness and falling off and no horizontal maintenance of the device in the using process in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the operating tool for the circuit breaker in the switch cabinet comprises a main shaft, a fixed seat, a fixed sleeve and a rotating sleeve, wherein the inner wall of the fixed seat is connected with a first rotating shaft in a rotating mode, the outer wall of the first rotating shaft is fixedly connected with a first handle, the outer walls of the two sides of the fixed sleeve are respectively and fixedly provided with a first connecting arm and a second connecting arm, the outer wall of one side of the first connecting arm is fixedly connected with a first auxiliary shaft, the outer wall of the first auxiliary shaft is connected with a second rotating shaft in a rotating mode, the outer wall of the second rotating shaft is fixedly connected with a second handle, the outer wall of one side of the second connecting arm is fixedly connected with a second auxiliary shaft, the outer wall of the second auxiliary shaft is connected with a third rotating shaft in a rotating mode, the outer wall of the third rotating shaft is fixedly connected with a third handle, one end of the.
Through the technical scheme, the situation of looseness and slippage can be prevented when the device is used through the arranged first handle, the second handle and the third handle, when the device is used, an operator holds the first handle with the left hand, the right hand rotates the main shaft through rotating the second handle and the third handle, the main shaft drives the operating head to rotate through the connector to carry out operation work, the first handle is held by the left hand of the operator all the time in the operation process, the looseness and the slippage of the device can be effectively prevented, the device is more convenient to use through the arranged structures of the top support, the second handle, the third handle and the like, when the operation work is carried out and large force is needed to be used, the operator can support the top support through the body, then the second handle and the third handle are held by two hands simultaneously to rotate, the device is more convenient to use, the rubber pad through setting up can play the effect of protection operating personnel health.
Preferably, the outer wall fixedly connected with boss of rotation sleeve, the quantity of boss is three and uses the center of rotation sleeve to be the circumference array as the centre of a circle, the outer wall fixed connection supporting leg of boss, the one end fixedly connected with connecting block of boss is kept away from to the supporting leg, one side outer wall that the supporting leg was kept away from to the connecting block is seted up flutedly, the first magnet of inner wall fixedly connected with of recess, anti-skidding line has been seted up to the outer wall of first handle, the outer wall fixedly connected with dactylotheca of first handle.
Through the technical scheme, through the rotation sleeve that sets up, supporting leg and first magnet isotructure, can play the effect of protection, first magnet adsorbs on the cubical switchboard surface through the magnetic force of self, location through the supporting leg, make the device can keep the level, thereby make the device carry out the during operation, the cubical switchboard each department atress is even, prevent to cause the damage to cubical switchboard or device, the life of extension cubical switchboard and device, through the first handle that sets up, the structure of second handle and third handle, play protection operating personnel's effect, first handle, anti-skidding line and the dactylotheca of the surface setting of second handle and third handle, prevent when operating, operating personnel's hand is from the handle surface slippage, make power empty, cause the incident.
Preferably, the one end fixedly connected with connector that the fixing base was kept away from to the main shaft, the draw-in groove has been seted up to the inner wall of connector, the inner wall fixedly connected with second magnet of draw-in groove.
Through above-mentioned technical scheme, the connector is used for connecting the operating head through the draw-in groove that sets up and operates the work, and second magnet is used for connecting the operating head, prevents that the operating head from droing.
Preferably, the outer wall of connector is provided with the operating head, the outer wall fixedly connected with fixture block of operating head, the outer wall of fixture block and the inner wall joint of draw-in groove, the outer wall of fixture block is connected with the outer wall magnetism of second magnet.
Through above-mentioned technical scheme, the operating head links to each other with the connector through the draw-in groove that sets up and fixture block, and connector and operating head are detachable, and the convenience is carrying out the during operation to the cubical switchboard of difference, changes different operating heads, adsorbs the fixture block through the second magnet that sets up, can prevent to carry out the during operation, and the operating head drops.
Preferably, a connector is arranged at one end, far away from the clamping block, of the operating head, and the outer wall of the operating head is movably connected with a switch cabinet.
Through above-mentioned technical scheme, the connector is used for being connected with the tapered end in the cubical switchboard, carries out operation work.
Preferably, one end of the main shaft is fixedly connected with the outer wall of the fixing seat, the outer wall of the main shaft is fixedly connected with the inner wall of the fixing sleeve, and the outer wall of the main shaft is rotatably connected with the inner wall of the rotating sleeve.
Through above-mentioned technical scheme, the fixing base is used for being connected first pivot and main shaft, conveniently carries out work, makes second handle and third handle drive the main shaft through the fixed sleeve that sets up and rotates, rotates the sleeve and is used for cooperating structures such as supporting leg to fix a position the device, makes the device keep balance.
Preferably, the fixed sleeve is located between the fixed seat and the rotating sleeve, and the first grip, the second grip and the third grip have the same structure.
Through the technical scheme, the outer walls of the first handle, the second handle and the third handle are provided with the anti-slip grains and the finger sleeves.
Preferably, the outer wall of the first magnet is magnetically connected with the outer wall of the switch cabinet, and the outer wall of the switch cabinet is attached to the outer wall of the connecting block.
Through above-mentioned technical scheme, first magnet adsorbs together through the magnetic force of self and cubical switchboard to make structures such as supporting leg can play the effect of location.
Compared with the prior art, the invention has the beneficial effects that:
1. through the first handle, second handle and the third handle that sets up, the condition that takes place to become flexible, the slippage when can preventing device uses, during the use device, first handle is held to operating personnel left hand, the right hand makes the main shaft rotate through rotating second handle and third handle, the main shaft passes through the connector and drives the operating head rotation, carry out operation work, operating personnel's left hand is holding first handle all the time in the operation process, can effectual preventing device not hard up with drop, make the device use convenience more.
2. Through the rotating sleeve, supporting leg and first magnet isotructure that set up, can play the effect of protection, first magnet adsorbs on the cubical switchboard surface through the magnetic force of self, through the location of supporting leg, makes the device can keep the level to make the device carry out the during operation, the cubical switchboard each department atress is even, prevents to cause the damage to cubical switchboard or device, prolongs the life of cubical switchboard and device.
3. The anti-skidding lines and the finger sleeves arranged on the surfaces of the first handle, the second handle and the third handle prevent the hands of the operators from slipping off the surfaces of the handles when the operators operate, so that the operators do not have enough force to cause safety accidents.
4. Through the top that sets up holds in the palm, second handle and third handle isotructure, make the device use convenience more, when carrying out operation work, when needing to use great power, operating personnel can withstand the top with the health, then two hands hold second handle and third handle simultaneously and rotate, make the device use convenience more, can play the effect of protection operating personnel health through the rubber pad that sets up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention showing the structure of the rotating sleeve;
FIG. 3 is a schematic view of a first grip structure of the present invention;
FIG. 4 is a schematic diagram of the structure of the connecting head according to the present invention;
FIG. 5 is a schematic view of a connecting head structure according to the present invention;
fig. 6 is a schematic view of an operation head according to the present invention.
In the figure: 1. a main shaft; 2. a fixed seat; 3. a first rotating shaft; 4. a first grip; 5. fixing the sleeve; 6. a first connecting arm; 7. a second connecting arm; 8. a first countershaft; 9. a second rotating shaft; 10. a second grip; 11. a second countershaft; 12. a third rotating shaft; 13. a third grip; 14. jacking; 15. a rubber pad; 16. rotating the sleeve; 17. a boss; 18. supporting legs; 19. connecting blocks; 20. a first magnet; 21. anti-skid lines; 22. finger stall; 23. a connector; 24. a card slot; 25. a second magnet; 26. an operating head; 27. a clamping block; 28. a connecting port; 29. provided is a switch cabinet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention provides a technical solution: an operating tool for a circuit breaker in a switch cabinet comprises a main shaft 1 and a fixed seat 2, fixed sleeve 5 and rotating sleeve 16, the inner wall of fixing base 2 rotates and is connected with first pivot 3, the first handle 4 of outer wall fixedly connected with of first pivot 3, the both sides outer wall of fixed sleeve 5 fixed mounting has first linking arm 6 and second linking arm 7 respectively, one side outer wall fixedly connected with first countershaft 8 of first linking arm 6, the outer wall of first countershaft 8 rotates and is connected with second pivot 9, the outer wall fixedly connected with second handle 10 of second pivot 9, one side outer wall fixedly connected with second countershaft 11 of second linking arm 7, the outer wall of second countershaft 11 rotates and is connected with third pivot 12, the outer wall fixedly connected with third handle 13 of third pivot 12, the one end fixedly connected with of first handle 4 holds in the palm 14, the inner wall fixedly connected with rubber pad 15 that holds in the palm 14.
In the embodiment, the first handle 4, the second handle 10 and the third handle 13 are arranged, so that the situation of looseness and slippage can be prevented when the device is used, an operator holds the first handle 4 with the left hand, the right hand rotates the main shaft 1 by rotating the second handle 10 and the third handle 13, the main shaft 1 drives the operating head 26 to rotate through the connector 23, operation is carried out, the first handle 4 is always held by the left hand of the operator in the operation process, so that the device can be effectively prevented from loosening and falling off, the device is more convenient to use through the structures of the top support 14, the second handle 10, the third handle 13 and the like, when operation is carried out, when large force is needed to be used, the operator can support the top support 14 with the body, then the second handle 10 and the third handle 13 are simultaneously held by the two hands to rotate, the device is more convenient to use, and the rubber pad 15 can protect the body of an operator.
Example two:
referring to fig. 1-3, on the basis of the first embodiment, the present invention provides a technical solution: outer wall fixedly connected with boss 17 of rotating sleeve 16, the quantity of boss 17 is three and uses the center of rotating sleeve 16 to be the circumference array as the centre of a circle, the outer wall fixed connection supporting leg 18 of boss 17, the one end fixedly connected with connecting block 19 of boss 17 is kept away from to supporting leg 18, one side outer wall that supporting leg 18 was kept away from to connecting block 19 is seted up flutedly, the first magnet 20 of inner wall fixedly connected with of recess, anti-skidding line 21 has been seted up to the outer wall of first handle 4, the outer wall fixedly connected with dactylotheca 22 of first handle 4
In this embodiment, the protective function can be achieved by the structures such as the rotating sleeve 16, the supporting leg 18 and the first magnet 20, the first magnet 20 is adsorbed on the surface of the switch cabinet 29 by the magnetic force of the first magnet 20, the device can be kept horizontal by the positioning of the supporting leg 18, so that the device can work, the stress on each part of the switch cabinet 29 is uniform, the damage to the switch cabinet 29 or the device is prevented, the service life of the switch cabinet 29 and the device is prolonged, the effect of protecting the operator is achieved by the structures of the first handle 4, the second handle 10 and the third handle 13, the anti-slip patterns 21 and the finger sleeves 22 are arranged on the surfaces of the first handle 4, the second handle 10 and the third handle 13, the situation that the hand of the operator slips off from the surface of the handle when the operation is performed is prevented, the force is made to be empty, and the safety accident is caused.
Example three:
referring to fig. 1-6, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the end of the main shaft 1 far away from the fixed seat 2 is fixedly connected with a connector 23, the inner wall of the connector 23 is provided with a clamping groove 24, the inner wall of the clamping groove 24 is fixedly connected with a second magnet 25, the outer wall of the connector 23 is provided with an operating head 26, the outer wall of the operating head 26 is fixedly connected with a clamping block 27, the outer wall of the clamping block 27 is clamped with the inner wall of the clamping groove 24, the outer wall of the clamping block 27 is magnetically connected with the outer wall of the second magnet 25, the end of the operating head 26 far away from the clamping block 27 is provided with a connector 28, the outer wall of the operating head 26 is movably connected with a switch cabinet 29, one end of the main shaft 1 is fixedly connected with the outer wall of the fixed seat 2, the outer wall of the main shaft 1 is fixedly connected with the inner wall of the fixed sleeve 5, the outer wall of the main shaft 1 is rotatably, the outer wall of the first magnet 20 is magnetically connected with the outer wall of the switch cabinet 29, and the outer wall of the switch cabinet 29 is attached to the outer wall of the connecting block 19.
In this embodiment, connector 23 is used for installing operating head 26, is detachable between connector 23 and the operating head 26, when conveniently operating different cubical switchboard 29, can change operating head 26 at will, adsorbs fixture block 27 through the second magnet 25 that sets up, prevents when carrying out the work, and operating head 26 slips in the connector 23, is connected with the tapered end in the cubical switchboard 29 through the connector 28 that sets up, implements the operation work.
The working principle and the using process of the invention are as follows: when the device is used, firstly, a proper operating head 26 is installed, the clamping block 27 is inserted into the clamping groove 24, the connector 23 and the operating head 26 are clamped, the second magnet 25 adsorbs the clamping block 27 through the magnetism of the second magnet, the operating head 26 cannot fall off from the connector 23, then the device is taken up, the operating head 26 enters the switch cabinet 29, the connector 28 is clamped with the lock head in the switch cabinet 29, the first magnet 20 is adsorbed on the surface of the switch cabinet 29 through the magnetic force of the first magnet, the device can be kept horizontal through the positioning of the supporting legs 18, therefore, when the device works, all parts of the switch cabinet 29 are uniformly stressed, the switch cabinet 29 or the device is prevented from being damaged, the service lives of the switch cabinet 29 and the device are prolonged, then, an operator holds the first grip 4 with the left hand, and rotates the main shaft 1 through rotating the second grip 10 and the third grip 13 with the right hand, the main shaft 1 drives the operating head 26 to rotate through the connector 23, operation is carried out, the first handle 4 is held all the time by the left hand of an operator in the operation process, the looseness and the falling of the device can be effectively prevented, the device is more convenient to use, the first handle 4, the anti-skidding patterns 21 and the finger sleeves 22 arranged on the surfaces of the second handle 10 and the third handle 13 prevent the slippage of the hands of the operator from the surfaces of the handles, force is enabled to be empty, safety accidents are caused, when operation is carried out, when great force is needed to be used, the operator can prop the top support 14 with the body, then the second handle 10 and the third handle 13 are held by two hands simultaneously to rotate, and the device is more convenient to use.
Claims (8)
1. A operation instrument for circuit breaker in cubical switchboard, including main shaft (1), fixing base (2), fixed sleeve (5) and rotation sleeve (16), its characterized in that: the inner wall of the fixed seat (2) is rotatably connected with a first rotating shaft (3), the outer wall of the first rotating shaft (3) is fixedly connected with a first handle (4), the outer walls of the two sides of the fixed sleeve (5) are respectively and fixedly provided with a first connecting arm (6) and a second connecting arm (7), the outer wall of one side of the first connecting arm (6) is fixedly connected with a first auxiliary shaft (8), the outer wall of the first auxiliary shaft (8) is rotatably connected with a second rotating shaft (9), the outer wall of the second rotating shaft (9) is fixedly connected with a second handle (10), the outer wall of one side of the second connecting arm (7) is fixedly connected with a second auxiliary shaft (11), the outer wall of the second auxiliary shaft (11) is rotatably connected with a third rotating shaft (12), the outer wall of the third rotating shaft (12) is fixedly connected with a third handle (13), one end of the first handle (4) is fixedly connected with a top support (, the inner wall of the top support (14) is fixedly connected with a rubber pad (15).
2. An operating tool for a circuit breaker in a switchgear cabinet, as claimed in claim 1, characterized in that: the outer wall fixedly connected with boss (17) of rotation sleeve (16), the quantity of boss (17) is the circumference array for three and use the center of rotating sleeve (16) to be the centre of a circle, the outer wall fixed connection supporting leg (18) of boss (17), the one end fixedly connected with connecting block (19) of boss (17) are kept away from in supporting leg (18), one side outer wall that supporting leg (18) were kept away from in connecting block (19) is seted up flutedly, the first magnet (20) of inner wall fixedly connected with of recess, anti-skidding line (21) have been seted up to the outer wall of first handle (4), the outer wall fixedly connected with dactylotheca (22) of first handle (4).
3. An operating tool for a circuit breaker in a switchgear cabinet as claimed in claim 2, wherein: the one end fixedly connected with connector (23) of fixing base (2) is kept away from in main shaft (1), draw-in groove (24) have been seted up to the inner wall of connector (23), the inner wall fixedly connected with second magnet (25) of draw-in groove (24).
4. An operating tool for a circuit breaker in a switchgear cabinet as claimed in claim 3, wherein: the outer wall of connector (23) is provided with operating head (26), the outer wall fixedly connected with fixture block (27) of operating head (26), the outer wall of fixture block (27) and the inner wall joint of draw-in groove (24), the outer wall of fixture block (27) is connected with the outer wall magnetism of second magnet (25).
5. An operating tool for a circuit breaker in a switchgear cabinet as claimed in claim 4, wherein: a connecting port (28) is formed in one end, far away from the clamping block (27), of the operating head (26), and the outer wall of the operating head (26) is movably connected with a switch cabinet (29).
6. An operating tool for a circuit breaker in a switchgear cabinet, as claimed in claim 1, characterized in that: the one end of main shaft (1) and the outer wall fixed connection of fixing base (2), the outer wall of main shaft (1) and the inner wall fixed connection of fixed sleeve (5), the outer wall of main shaft (1) and the inner wall rotation of rotating sleeve (16) are connected.
7. An operating tool for a circuit breaker in a switchgear cabinet, as claimed in claim 1, characterized in that: the fixed sleeve (5) is positioned between the fixed seat (2) and the rotating sleeve (16), and the first grip (4), the second grip (10) and the third grip (13) are identical in structure.
8. An operating tool for a circuit breaker in a switchgear cabinet as claimed in claim 5, wherein: the outer wall of the first magnet (20) is magnetically connected with the outer wall of the switch cabinet (29), and the outer wall of the switch cabinet (29) is attached to the outer wall of the connecting block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405671.8A CN112563048B (en) | 2020-12-04 | 2020-12-04 | Operating tool for a circuit breaker in a switchgear cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405671.8A CN112563048B (en) | 2020-12-04 | 2020-12-04 | Operating tool for a circuit breaker in a switchgear cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112563048A true CN112563048A (en) | 2021-03-26 |
| CN112563048B CN112563048B (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011405671.8A Active CN112563048B (en) | 2020-12-04 | 2020-12-04 | Operating tool for a circuit breaker in a switchgear cabinet |
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| Country | Link |
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| CN (1) | CN112563048B (en) |
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| CN206657748U (en) * | 2017-03-29 | 2017-11-21 | 国网天津市电力公司 | Earthed switch connecting rod operation mechanism |
| CN107732747A (en) * | 2017-11-23 | 2018-02-23 | 国网江苏省电力公司丹阳市供电公司 | Breaker handcart of switch cabinet crank |
| CN207504435U (en) * | 2017-11-23 | 2018-06-15 | 国网江苏省电力公司丹阳市供电公司 | Breaker handcart of switch cabinet crank |
| CN207458869U (en) * | 2017-11-24 | 2018-06-05 | 国网河南省电力公司偃师市供电公司 | A kind of breaker extends operating mechanism |
| CN109830910A (en) * | 2019-01-28 | 2019-05-31 | 国家电网有限公司 | A kind of transformer substation switch board breaker handcart crank |
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| Publication number | Publication date |
|---|---|
| CN112563048B (en) | 2024-06-18 |
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Effective date of registration: 20240517 Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant after: STATE GRID SHANDONG ELECTRIC POWER COMPANY YANTAI POWER SUPPLY Co. Country or region after: China Address before: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant before: STATE GRID SHANDONG ELECTRIC POWER COMPANY YANTAI POWER SUPPLY Co. Country or region before: China Applicant before: STATE GRID CORPORATION OF CHINA |
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